diff options
Diffstat (limited to 'gcc-4.2.1/libffi/src')
67 files changed, 20062 insertions, 0 deletions
diff --git a/gcc-4.2.1/libffi/src/alpha/ffi.c b/gcc-4.2.1/libffi/src/alpha/ffi.c new file mode 100644 index 000000000..b1336c68d --- /dev/null +++ b/gcc-4.2.1/libffi/src/alpha/ffi.c @@ -0,0 +1,282 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 1998, 2001 Red Hat, Inc. + + Alpha Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> +#include <stdlib.h> + +/* Force FFI_TYPE_LONGDOUBLE to be different than FFI_TYPE_DOUBLE; + all further uses in this file will refer to the 128-bit type. */ +#if defined(__LONG_DOUBLE_128__) +# if FFI_TYPE_LONGDOUBLE != 4 +# error FFI_TYPE_LONGDOUBLE out of date +# endif +#else +# undef FFI_TYPE_LONGDOUBLE +# define FFI_TYPE_LONGDOUBLE 4 +#endif + +extern void ffi_call_osf(void *, unsigned long, unsigned, void *, void (*)()) + FFI_HIDDEN; +extern void ffi_closure_osf(void) FFI_HIDDEN; + + +ffi_status +ffi_prep_cif_machdep(ffi_cif *cif) +{ + /* Adjust cif->bytes to represent a minimum 6 words for the temporary + register argument loading area. */ + if (cif->bytes < 6*FFI_SIZEOF_ARG) + cif->bytes = 6*FFI_SIZEOF_ARG; + + /* Set the return type flag */ + switch (cif->rtype->type) + { + case FFI_TYPE_STRUCT: + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + cif->flags = cif->rtype->type; + break; + + case FFI_TYPE_LONGDOUBLE: + /* 128-bit long double is returned in memory, like a struct. */ + cif->flags = FFI_TYPE_STRUCT; + break; + + default: + cif->flags = FFI_TYPE_INT; + break; + } + + return FFI_OK; +} + + +void +ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + unsigned long *stack, *argp; + long i, avn; + ffi_type **arg_types; + + /* If the return value is a struct and we don't have a return + value address then we need to make one. */ + if (rvalue == NULL && cif->flags == FFI_TYPE_STRUCT) + rvalue = alloca(cif->rtype->size); + + /* Allocate the space for the arguments, plus 4 words of temp + space for ffi_call_osf. */ + argp = stack = alloca(cif->bytes + 4*FFI_SIZEOF_ARG); + + if (cif->flags == FFI_TYPE_STRUCT) + *(void **) argp++ = rvalue; + + i = 0; + avn = cif->nargs; + arg_types = cif->arg_types; + + while (i < avn) + { + size_t size = (*arg_types)->size; + + switch ((*arg_types)->type) + { + case FFI_TYPE_SINT8: + *(SINT64 *) argp = *(SINT8 *)(* avalue); + break; + + case FFI_TYPE_UINT8: + *(SINT64 *) argp = *(UINT8 *)(* avalue); + break; + + case FFI_TYPE_SINT16: + *(SINT64 *) argp = *(SINT16 *)(* avalue); + break; + + case FFI_TYPE_UINT16: + *(SINT64 *) argp = *(UINT16 *)(* avalue); + break; + + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT32: + /* Note that unsigned 32-bit quantities are sign extended. */ + *(SINT64 *) argp = *(SINT32 *)(* avalue); + break; + + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + case FFI_TYPE_POINTER: + *(UINT64 *) argp = *(UINT64 *)(* avalue); + break; + + case FFI_TYPE_FLOAT: + if (argp - stack < 6) + { + /* Note the conversion -- all the fp regs are loaded as + doubles. The in-register format is the same. */ + *(double *) argp = *(float *)(* avalue); + } + else + *(float *) argp = *(float *)(* avalue); + break; + + case FFI_TYPE_DOUBLE: + *(double *) argp = *(double *)(* avalue); + break; + + case FFI_TYPE_LONGDOUBLE: + /* 128-bit long double is passed by reference. */ + *(long double **) argp = (long double *)(* avalue); + size = sizeof (long double *); + break; + + case FFI_TYPE_STRUCT: + memcpy(argp, *avalue, (*arg_types)->size); + break; + + default: + FFI_ASSERT(0); + } + + argp += ALIGN(size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; + i++, arg_types++, avalue++; + } + + ffi_call_osf(stack, cif->bytes, cif->flags, rvalue, fn); +} + + +ffi_status +ffi_prep_closure (ffi_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif*, void*, void**, void*), + void *user_data) +{ + unsigned int *tramp; + + tramp = (unsigned int *) &closure->tramp[0]; + tramp[0] = 0x47fb0401; /* mov $27,$1 */ + tramp[1] = 0xa77b0010; /* ldq $27,16($27) */ + tramp[2] = 0x6bfb0000; /* jmp $31,($27),0 */ + tramp[3] = 0x47ff041f; /* nop */ + *(void **) &tramp[4] = ffi_closure_osf; + + closure->cif = cif; + closure->fun = fun; + closure->user_data = user_data; + + /* Flush the Icache. + + Tru64 UNIX as doesn't understand the imb mnemonic, so use call_pal + instead, since both Compaq as and gas can handle it. + + 0x86 is PAL_imb in Tru64 UNIX <alpha/pal.h>. */ + asm volatile ("call_pal 0x86" : : : "memory"); + + return FFI_OK; +} + + +long FFI_HIDDEN +ffi_closure_osf_inner(ffi_closure *closure, void *rvalue, unsigned long *argp) +{ + ffi_cif *cif; + void **avalue; + ffi_type **arg_types; + long i, avn, argn; + + cif = closure->cif; + avalue = alloca(cif->nargs * sizeof(void *)); + + argn = 0; + + /* Copy the caller's structure return address to that the closure + returns the data directly to the caller. */ + if (cif->flags == FFI_TYPE_STRUCT) + { + rvalue = (void *) argp[0]; + argn = 1; + } + + i = 0; + avn = cif->nargs; + arg_types = cif->arg_types; + + /* Grab the addresses of the arguments from the stack frame. */ + while (i < avn) + { + size_t size = arg_types[i]->size; + + switch (arg_types[i]->type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT32: + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + case FFI_TYPE_POINTER: + case FFI_TYPE_STRUCT: + avalue[i] = &argp[argn]; + break; + + case FFI_TYPE_FLOAT: + if (argn < 6) + { + /* Floats coming from registers need conversion from double + back to float format. */ + *(float *)&argp[argn - 6] = *(double *)&argp[argn - 6]; + avalue[i] = &argp[argn - 6]; + } + else + avalue[i] = &argp[argn]; + break; + + case FFI_TYPE_DOUBLE: + avalue[i] = &argp[argn - (argn < 6 ? 6 : 0)]; + break; + + case FFI_TYPE_LONGDOUBLE: + /* 128-bit long double is passed by reference. */ + avalue[i] = (long double *) argp[argn]; + size = sizeof (long double *); + break; + + default: + abort (); + } + + argn += ALIGN(size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; + i++; + } + + /* Invoke the closure. */ + closure->fun (cif, rvalue, avalue, closure->user_data); + + /* Tell ffi_closure_osf how to perform return type promotions. */ + return cif->rtype->type; +} diff --git a/gcc-4.2.1/libffi/src/alpha/ffitarget.h b/gcc-4.2.1/libffi/src/alpha/ffitarget.h new file mode 100644 index 000000000..00a121718 --- /dev/null +++ b/gcc-4.2.1/libffi/src/alpha/ffitarget.h @@ -0,0 +1,48 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for Alpha. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + FFI_OSF, + FFI_DEFAULT_ABI = FFI_OSF, + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; +#endif + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 1 +#define FFI_TRAMPOLINE_SIZE 24 +#define FFI_NATIVE_RAW_API 0 + +#endif + diff --git a/gcc-4.2.1/libffi/src/alpha/osf.S b/gcc-4.2.1/libffi/src/alpha/osf.S new file mode 100644 index 000000000..aba6782e7 --- /dev/null +++ b/gcc-4.2.1/libffi/src/alpha/osf.S @@ -0,0 +1,361 @@ +/* ----------------------------------------------------------------------- + osf.S - Copyright (c) 1998, 2001, 2007 Red Hat + + Alpha/OSF Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + + .arch ev6 + .text + +/* ffi_call_osf (void *args, unsigned long bytes, unsigned flags, + void *raddr, void (*fnaddr)()); + + Bit o trickiness here -- ARGS+BYTES is the base of the stack frame + for this function. This has been allocated by ffi_call. We also + deallocate some of the stack that has been alloca'd. */ + + .align 3 + .globl ffi_call_osf + .ent ffi_call_osf + FFI_HIDDEN(ffi_call_osf) + +ffi_call_osf: + .frame $15, 32, $26, 0 + .mask 0x4008000, -32 +$LFB1: + addq $16,$17,$1 + mov $16, $30 + stq $26, 0($1) + stq $15, 8($1) + stq $18, 16($1) + mov $1, $15 +$LCFI1: + .prologue 0 + + stq $19, 24($1) + mov $20, $27 + + # Load up all of the (potential) argument registers. + ldq $16, 0($30) + ldt $f16, 0($30) + ldt $f17, 8($30) + ldq $17, 8($30) + ldt $f18, 16($30) + ldq $18, 16($30) + ldt $f19, 24($30) + ldq $19, 24($30) + ldt $f20, 32($30) + ldq $20, 32($30) + ldt $f21, 40($30) + ldq $21, 40($30) + + # Deallocate the register argument area. + lda $30, 48($30) + + jsr $26, ($27), 0 + ldgp $29, 0($26) + + # If the return value pointer is NULL, assume no return value. + ldq $19, 24($15) + ldq $18, 16($15) + ldq $26, 0($15) +$LCFI2: + beq $19, $noretval + + # Store the return value out in the proper type. + cmpeq $18, FFI_TYPE_INT, $1 + bne $1, $retint + cmpeq $18, FFI_TYPE_FLOAT, $2 + bne $2, $retfloat + cmpeq $18, FFI_TYPE_DOUBLE, $3 + bne $3, $retdouble + + .align 3 +$noretval: + ldq $15, 8($15) + ret + + .align 4 +$retint: + stq $0, 0($19) + nop + ldq $15, 8($15) + ret + + .align 4 +$retfloat: + sts $f0, 0($19) + nop + ldq $15, 8($15) + ret + + .align 4 +$retdouble: + stt $f0, 0($19) + nop + ldq $15, 8($15) + ret +$LFE1: + + .end ffi_call_osf + +/* ffi_closure_osf(...) + + Receives the closure argument in $1. */ + + .align 3 + .globl ffi_closure_osf + .ent ffi_closure_osf + FFI_HIDDEN(ffi_closure_osf) + +ffi_closure_osf: + .frame $30, 16*8, $26, 0 + .mask 0x4000000, -16*8 +$LFB2: + ldgp $29, 0($27) + subq $30, 16*8, $30 +$LCFI5: + stq $26, 0($30) +$LCFI6: + .prologue 1 + + # Store all of the potential argument registers in va_list format. + stt $f16, 4*8($30) + stt $f17, 5*8($30) + stt $f18, 6*8($30) + stt $f19, 7*8($30) + stt $f20, 8*8($30) + stt $f21, 9*8($30) + stq $16, 10*8($30) + stq $17, 11*8($30) + stq $18, 12*8($30) + stq $19, 13*8($30) + stq $20, 14*8($30) + stq $21, 15*8($30) + + # Call ffi_closure_osf_inner to do the bulk of the work. + mov $1, $16 + lda $17, 2*8($30) + lda $18, 10*8($30) + jsr $26, ffi_closure_osf_inner + ldgp $29, 0($26) + ldq $26, 0($30) + + # Load up the return value in the proper type. + lda $1, $load_table + s4addq $0, $1, $1 + ldl $1, 0($1) + addq $1, $29, $1 + jmp $31, ($1), $load_32 + + .align 4 +$load_none: + addq $30, 16*8, $30 + ret + + .align 4 +$load_float: + lds $f0, 16($30) + nop + addq $30, 16*8, $30 + ret + + .align 4 +$load_double: + ldt $f0, 16($30) + nop + addq $30, 16*8, $30 + ret + + .align 4 +$load_u8: +#ifdef __alpha_bwx__ + ldbu $0, 16($30) + nop +#else + ldq $0, 16($30) + and $0, 255, $0 +#endif + addq $30, 16*8, $30 + ret + + .align 4 +$load_s8: +#ifdef __alpha_bwx__ + ldbu $0, 16($30) + sextb $0, $0 +#else + ldq $0, 16($30) + sll $0, 56, $0 + sra $0, 56, $0 +#endif + addq $30, 16*8, $30 + ret + + .align 4 +$load_u16: +#ifdef __alpha_bwx__ + ldwu $0, 16($30) + nop +#else + ldq $0, 16($30) + zapnot $0, 3, $0 +#endif + addq $30, 16*8, $30 + ret + + .align 4 +$load_s16: +#ifdef __alpha_bwx__ + ldwu $0, 16($30) + sextw $0, $0 +#else + ldq $0, 16($30) + sll $0, 48, $0 + sra $0, 48, $0 +#endif + addq $30, 16*8, $30 + ret + + .align 4 +$load_32: + ldl $0, 16($30) + nop + addq $30, 16*8, $30 + ret + + .align 4 +$load_64: + ldq $0, 16($30) + nop + addq $30, 16*8, $30 + ret +$LFE2: + + .end ffi_closure_osf + +#ifdef __ELF__ +.section .rodata +#else +.rdata +#endif +$load_table: + .gprel32 $load_none # FFI_TYPE_VOID + .gprel32 $load_32 # FFI_TYPE_INT + .gprel32 $load_float # FFI_TYPE_FLOAT + .gprel32 $load_double # FFI_TYPE_DOUBLE + .gprel32 $load_none # FFI_TYPE_LONGDOUBLE + .gprel32 $load_u8 # FFI_TYPE_UINT8 + .gprel32 $load_s8 # FFI_TYPE_SINT8 + .gprel32 $load_u16 # FFI_TYPE_UINT16 + .gprel32 $load_s16 # FFI_TYPE_SINT16 + .gprel32 $load_32 # FFI_TYPE_UINT32 + .gprel32 $load_32 # FFI_TYPE_SINT32 + .gprel32 $load_64 # FFI_TYPE_UINT64 + .gprel32 $load_64 # FFI_TYPE_SINT64 + .gprel32 $load_none # FFI_TYPE_STRUCT + .gprel32 $load_64 # FFI_TYPE_POINTER + +/* Assert that the table above is in sync with ffi.h. */ + +#if FFI_TYPE_FLOAT != 2 \ + || FFI_TYPE_DOUBLE != 3 \ + || FFI_TYPE_UINT8 != 5 \ + || FFI_TYPE_SINT8 != 6 \ + || FFI_TYPE_UINT16 != 7 \ + || FFI_TYPE_SINT16 != 8 \ + || FFI_TYPE_UINT32 != 9 \ + || FFI_TYPE_SINT32 != 10 \ + || FFI_TYPE_UINT64 != 11 \ + || FFI_TYPE_SINT64 != 12 \ + || FFI_TYPE_STRUCT != 13 \ + || FFI_TYPE_POINTER != 14 \ + || FFI_TYPE_LAST != 14 +#error "osf.S out of sync with ffi.h" +#endif + +#ifdef __ELF__ + .section .eh_frame,EH_FRAME_FLAGS,@progbits +__FRAME_BEGIN__: + .4byte $LECIE1-$LSCIE1 # Length of Common Information Entry +$LSCIE1: + .4byte 0x0 # CIE Identifier Tag + .byte 0x1 # CIE Version + .ascii "zR\0" # CIE Augmentation + .byte 0x1 # uleb128 0x1; CIE Code Alignment Factor + .byte 0x78 # sleb128 -8; CIE Data Alignment Factor + .byte 26 # CIE RA Column + .byte 0x1 # uleb128 0x1; Augmentation size + .byte 0x1b # FDE Encoding (pcrel sdata4) + .byte 0xc # DW_CFA_def_cfa + .byte 30 # uleb128 column 30 + .byte 0 # uleb128 offset 0 + .align 3 +$LECIE1: +$LSFDE1: + .4byte $LEFDE1-$LASFDE1 # FDE Length +$LASFDE1: + .4byte $LASFDE1-__FRAME_BEGIN__ # FDE CIE offset + .4byte $LFB1-. # FDE initial location + .4byte $LFE1-$LFB1 # FDE address range + .byte 0x0 # uleb128 0x0; Augmentation size + + .byte 0x4 # DW_CFA_advance_loc4 + .4byte $LCFI1-$LFB1 + .byte 0x9a # DW_CFA_offset, column 26 + .byte 4 # uleb128 4*-8 + .byte 0x8f # DW_CFA_offset, column 15 + .byte 0x3 # uleb128 3*-8 + .byte 0xc # DW_CFA_def_cfa + .byte 15 # uleb128 column 15 + .byte 32 # uleb128 offset 32 + + .byte 0x4 # DW_CFA_advance_loc4 + .4byte $LCFI2-$LCFI1 + .byte 0xda # DW_CFA_restore, column 26 + .align 3 +$LEFDE1: + +$LSFDE3: + .4byte $LEFDE3-$LASFDE3 # FDE Length +$LASFDE3: + .4byte $LASFDE3-__FRAME_BEGIN__ # FDE CIE offset + .4byte $LFB2-. # FDE initial location + .4byte $LFE2-$LFB2 # FDE address range + .byte 0x0 # uleb128 0x0; Augmentation size + + .byte 0x4 # DW_CFA_advance_loc4 + .4byte $LCFI5-$LFB2 + .byte 0xe # DW_CFA_def_cfa_offset + .byte 0x80,0x1 # uleb128 128 + + .byte 0x4 # DW_CFA_advance_loc4 + .4byte $LCFI6-$LCFI5 + .byte 0x9a # DW_CFA_offset, column 26 + .byte 16 # uleb128 offset 16*-8 + .align 3 +$LEFDE3: +#endif diff --git a/gcc-4.2.1/libffi/src/arm/ffi.c b/gcc-4.2.1/libffi/src/arm/ffi.c new file mode 100644 index 000000000..4a5edd3a5 --- /dev/null +++ b/gcc-4.2.1/libffi/src/arm/ffi.c @@ -0,0 +1,170 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 1998 Red Hat, Inc. + + ARM Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> + +/* ffi_prep_args is called by the assembly routine once stack space + has been allocated for the function's arguments */ + +void ffi_prep_args(char *stack, extended_cif *ecif) +{ + register unsigned int i; + register void **p_argv; + register char *argp; + register ffi_type **p_arg; + + argp = stack; + + if ( ecif->cif->rtype->type == FFI_TYPE_STRUCT ) { + *(void **) argp = ecif->rvalue; + argp += 4; + } + + p_argv = ecif->avalue; + + for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; + (i != 0); + i--, p_arg++) + { + size_t z; + + /* Align if necessary */ + if (((*p_arg)->alignment - 1) & (unsigned) argp) { + argp = (char *) ALIGN(argp, (*p_arg)->alignment); + } + + z = (*p_arg)->size; + if (z < sizeof(int)) + { + z = sizeof(int); + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(signed int *) argp = (signed int)*(SINT8 *)(* p_argv); + break; + + case FFI_TYPE_UINT8: + *(unsigned int *) argp = (unsigned int)*(UINT8 *)(* p_argv); + break; + + case FFI_TYPE_SINT16: + *(signed int *) argp = (signed int)*(SINT16 *)(* p_argv); + break; + + case FFI_TYPE_UINT16: + *(unsigned int *) argp = (unsigned int)*(UINT16 *)(* p_argv); + break; + + case FFI_TYPE_STRUCT: + *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv); + break; + + default: + FFI_ASSERT(0); + } + } + else if (z == sizeof(int)) + { + *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv); + } + else + { + memcpy(argp, *p_argv, z); + } + p_argv++; + argp += z; + } + + return; +} + +/* Perform machine dependent cif processing */ +ffi_status ffi_prep_cif_machdep(ffi_cif *cif) +{ + /* Round the stack up to a multiple of 8 bytes. This isn't needed + everywhere, but it is on some platforms, and it doesn't harm anything + when it isn't needed. */ + cif->bytes = (cif->bytes + 7) & ~7; + + /* Set the return type flag */ + switch (cif->rtype->type) + { + case FFI_TYPE_VOID: + case FFI_TYPE_STRUCT: + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + cif->flags = (unsigned) cif->rtype->type; + break; + + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + cif->flags = (unsigned) FFI_TYPE_SINT64; + break; + + default: + cif->flags = FFI_TYPE_INT; + break; + } + + return FFI_OK; +} + +extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *, + unsigned, unsigned, unsigned *, void (*fn)()); + +void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + extended_cif ecif; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return */ + /* value address then we need to make one */ + + if ((rvalue == NULL) && + (cif->rtype->type == FFI_TYPE_STRUCT)) + { + ecif.rvalue = alloca(cif->rtype->size); + } + else + ecif.rvalue = rvalue; + + + switch (cif->abi) + { + case FFI_SYSV: + ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes, cif->flags, ecif.rvalue, + fn); + + break; + default: + FFI_ASSERT(0); + break; + } +} diff --git a/gcc-4.2.1/libffi/src/arm/ffitarget.h b/gcc-4.2.1/libffi/src/arm/ffitarget.h new file mode 100644 index 000000000..96f4bb2f2 --- /dev/null +++ b/gcc-4.2.1/libffi/src/arm/ffitarget.h @@ -0,0 +1,47 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for ARM. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + FFI_SYSV, + FFI_DEFAULT_ABI = FFI_SYSV, + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; +#endif + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 0 +#define FFI_NATIVE_RAW_API 0 + +#endif + diff --git a/gcc-4.2.1/libffi/src/arm/sysv.S b/gcc-4.2.1/libffi/src/arm/sysv.S new file mode 100644 index 000000000..c3471a8a2 --- /dev/null +++ b/gcc-4.2.1/libffi/src/arm/sysv.S @@ -0,0 +1,209 @@ +/* ----------------------------------------------------------------------- + sysv.S - Copyright (c) 1998 Red Hat, Inc. + + ARM Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> +#ifdef HAVE_MACHINE_ASM_H +#include <machine/asm.h> +#else +#ifdef __USER_LABEL_PREFIX__ +#define CONCAT1(a, b) CONCAT2(a, b) +#define CONCAT2(a, b) a ## b + +/* Use the right prefix for global labels. */ +#define CNAME(x) CONCAT1 (__USER_LABEL_PREFIX__, x) +#else +#define CNAME(x) x +#endif +#define ENTRY(x) .globl CNAME(x); .type CNAME(x),%function; CNAME(x): +#endif + +#ifdef __ELF__ +#define LSYM(x) .x +#else +#define LSYM(x) x +#endif + +/* We need a better way of testing for this, but for now, this is all + we can do. */ +@ This selects the minimum architecture level required. +#define __ARM_ARCH__ 3 + +#if defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__) +# undef __ARM_ARCH__ +# define __ARM_ARCH__ 4 +#endif + +#if defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) \ + || defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) \ + || defined(__ARM_ARCH_5TEJ__) +# undef __ARM_ARCH__ +# define __ARM_ARCH__ 5 +#endif + +#if defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \ + || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \ + || defined(__ARM_ARCH_6ZK__) +# undef __ARM_ARCH__ +# define __ARM_ARCH__ 6 +#endif + +#if __ARM_ARCH__ >= 5 +# define call_reg(x) blx x +#elif defined (__ARM_ARCH_4T__) +# define call_reg(x) mov lr, pc ; bx x +# if defined(__thumb__) || defined(__THUMB_INTERWORK__) +# define __INTERWORKING__ +# endif +#else +# define call_reg(x) mov lr, pc ; mov pc, x +#endif + +#if defined(__thumb__) && !defined(__THUMB_INTERWORK__) +.macro ARM_FUNC_START name + .text + .align 0 + .thumb + .thumb_func + ENTRY(\name) + bx pc + nop + .arm +/* A hook to tell gdb that we've switched to ARM mode. Also used to call + directly from other local arm routines. */ +_L__\name: +.endm +#else +.macro ARM_FUNC_START name + .text + .align 0 + .arm + ENTRY(\name) +.endm +#endif + +.macro RETLDM regs=, cond=, dirn=ia +#if defined (__INTERWORKING__) + .ifc "\regs","" + ldr\cond lr, [sp], #4 + .else + ldm\cond\dirn sp!, {\regs, lr} + .endif + bx\cond lr +#else + .ifc "\regs","" + ldr\cond pc, [sp], #4 + .else + ldm\cond\dirn sp!, {\regs, pc} + .endif +#endif +.endm + + + @ r0: ffi_prep_args + @ r1: &ecif + @ r2: cif->bytes + @ r3: fig->flags + @ sp+0: ecif.rvalue + @ sp+4: fn + + @ This assumes we are using gas. +ARM_FUNC_START ffi_call_SYSV + @ Save registers + stmfd sp!, {r0-r3, fp, lr} + mov fp, sp + + @ Make room for all of the new args. + sub sp, fp, r2 + + @ Place all of the ffi_prep_args in position + mov ip, r0 + mov r0, sp + @ r1 already set + + @ Call ffi_prep_args(stack, &ecif) + call_reg(ip) + + @ move first 4 parameters in registers + ldmia sp, {r0-r3} + + @ and adjust stack + ldr ip, [fp, #8] + cmp ip, #16 + movhs ip, #16 + add sp, sp, ip + + @ call (fn) (...) + ldr ip, [fp, #28] + call_reg(ip) + + @ Remove the space we pushed for the args + mov sp, fp + + @ Load r2 with the pointer to storage for the return value + ldr r2, [sp, #24] + + @ Load r3 with the return type code + ldr r3, [sp, #12] + + @ If the return value pointer is NULL, assume no return value. + cmp r2, #0 + beq LSYM(Lepilogue) + +@ return INT + cmp r3, #FFI_TYPE_INT +#ifdef __SOFTFP__ + cmpne r3, #FFI_TYPE_FLOAT +#endif + streq r0, [r2] + beq LSYM(Lepilogue) + + @ return INT64 + cmp r3, #FFI_TYPE_SINT64 +#ifdef __SOFTFP__ + cmpne r3, #FFI_TYPE_DOUBLE +#endif + stmeqia r2, {r0, r1} + +#ifndef __SOFTFP__ + beq LSYM(Lepilogue) + +@ return FLOAT + cmp r3, #FFI_TYPE_FLOAT + stfeqs f0, [r2] + beq LSYM(Lepilogue) + +@ return DOUBLE or LONGDOUBLE + cmp r3, #FFI_TYPE_DOUBLE + stfeqd f0, [r2] +#endif + +LSYM(Lepilogue): + RETLDM "r0-r3,fp" + +.ffi_call_SYSV_end: + .size CNAME(ffi_call_SYSV),.ffi_call_SYSV_end-CNAME(ffi_call_SYSV) + diff --git a/gcc-4.2.1/libffi/src/cris/ffi.c b/gcc-4.2.1/libffi/src/cris/ffi.c new file mode 100644 index 000000000..364c990f6 --- /dev/null +++ b/gcc-4.2.1/libffi/src/cris/ffi.c @@ -0,0 +1,381 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 1998 Cygnus Solutions + Copyright (c) 2004 Simon Posnjak + Copyright (c) 2005 Axis Communications AB + + CRIS Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL SIMON POSNJAK BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#define STACK_ARG_SIZE(x) ALIGN(x, FFI_SIZEOF_ARG) + +static ffi_status +initialize_aggregate_packed_struct (ffi_type * arg) +{ + ffi_type **ptr; + + FFI_ASSERT (arg != NULL); + + FFI_ASSERT (arg->elements != NULL); + FFI_ASSERT (arg->size == 0); + FFI_ASSERT (arg->alignment == 0); + + ptr = &(arg->elements[0]); + + while ((*ptr) != NULL) + { + if (((*ptr)->size == 0) + && (initialize_aggregate_packed_struct ((*ptr)) != FFI_OK)) + return FFI_BAD_TYPEDEF; + + FFI_ASSERT (ffi_type_test ((*ptr))); + + arg->size += (*ptr)->size; + + arg->alignment = (arg->alignment > (*ptr)->alignment) ? + arg->alignment : (*ptr)->alignment; + + ptr++; + } + + if (arg->size == 0) + return FFI_BAD_TYPEDEF; + else + return FFI_OK; +} + +int +ffi_prep_args (char *stack, extended_cif * ecif) +{ + unsigned int i; + unsigned int struct_count = 0; + void **p_argv; + char *argp; + ffi_type **p_arg; + + argp = stack; + + p_argv = ecif->avalue; + + for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; + (i != 0); i--, p_arg++) + { + size_t z; + + switch ((*p_arg)->type) + { + case FFI_TYPE_STRUCT: + { + z = (*p_arg)->size; + if (z <= 4) + { + memcpy (argp, *p_argv, z); + z = 4; + } + else if (z <= 8) + { + memcpy (argp, *p_argv, z); + z = 8; + } + else + { + unsigned int uiLocOnStack; + z = sizeof (void *); + uiLocOnStack = 4 * ecif->cif->nargs + struct_count; + struct_count = struct_count + (*p_arg)->size; + *(unsigned int *) argp = + (unsigned int) (UINT32 *) (stack + uiLocOnStack); + memcpy ((stack + uiLocOnStack), *p_argv, (*p_arg)->size); + } + break; + } + default: + z = (*p_arg)->size; + if (z < sizeof (int)) + { + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(signed int *) argp = (signed int) *(SINT8 *) (*p_argv); + break; + + case FFI_TYPE_UINT8: + *(unsigned int *) argp = + (unsigned int) *(UINT8 *) (*p_argv); + break; + + case FFI_TYPE_SINT16: + *(signed int *) argp = (signed int) *(SINT16 *) (*p_argv); + break; + + case FFI_TYPE_UINT16: + *(unsigned int *) argp = + (unsigned int) *(UINT16 *) (*p_argv); + break; + + default: + FFI_ASSERT (0); + } + z = sizeof (int); + } + else if (z == sizeof (int)) + *(unsigned int *) argp = (unsigned int) *(UINT32 *) (*p_argv); + else + memcpy (argp, *p_argv, z); + break; + } + p_argv++; + argp += z; + } + + return (struct_count); +} + +ffi_status +ffi_prep_cif (ffi_cif * cif, + ffi_abi abi, unsigned int nargs, + ffi_type * rtype, ffi_type ** atypes) +{ + unsigned bytes = 0; + unsigned int i; + ffi_type **ptr; + + FFI_ASSERT (cif != NULL); + FFI_ASSERT ((abi > FFI_FIRST_ABI) && (abi <= FFI_DEFAULT_ABI)); + + cif->abi = abi; + cif->arg_types = atypes; + cif->nargs = nargs; + cif->rtype = rtype; + + cif->flags = 0; + + if ((cif->rtype->size == 0) + && (initialize_aggregate_packed_struct (cif->rtype) != FFI_OK)) + return FFI_BAD_TYPEDEF; + + FFI_ASSERT_VALID_TYPE (cif->rtype); + + for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++) + { + if (((*ptr)->size == 0) + && (initialize_aggregate_packed_struct ((*ptr)) != FFI_OK)) + return FFI_BAD_TYPEDEF; + + FFI_ASSERT_VALID_TYPE (*ptr); + + if (((*ptr)->alignment - 1) & bytes) + bytes = ALIGN (bytes, (*ptr)->alignment); + if ((*ptr)->type == FFI_TYPE_STRUCT) + { + if ((*ptr)->size > 8) + { + bytes += (*ptr)->size; + bytes += sizeof (void *); + } + else + { + if ((*ptr)->size > 4) + bytes += 8; + else + bytes += 4; + } + } + else + bytes += STACK_ARG_SIZE ((*ptr)->size); + } + + cif->bytes = bytes; + + return ffi_prep_cif_machdep (cif); +} + +ffi_status +ffi_prep_cif_machdep (ffi_cif * cif) +{ + switch (cif->rtype->type) + { + case FFI_TYPE_VOID: + case FFI_TYPE_STRUCT: + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + cif->flags = (unsigned) cif->rtype->type; + break; + + default: + cif->flags = FFI_TYPE_INT; + break; + } + + return FFI_OK; +} + +extern void ffi_call_SYSV (int (*)(char *, extended_cif *), + extended_cif *, + unsigned, unsigned, unsigned *, void (*fn) ()) + __attribute__ ((__visibility__ ("hidden"))); + +void +ffi_call (ffi_cif * cif, void (*fn) (), void *rvalue, void **avalue) +{ + extended_cif ecif; + + ecif.cif = cif; + ecif.avalue = avalue; + + if ((rvalue == NULL) && (cif->rtype->type == FFI_TYPE_STRUCT)) + { + ecif.rvalue = alloca (cif->rtype->size); + } + else + ecif.rvalue = rvalue; + + switch (cif->abi) + { + case FFI_SYSV: + ffi_call_SYSV (ffi_prep_args, &ecif, cif->bytes, + cif->flags, ecif.rvalue, fn); + break; + default: + FFI_ASSERT (0); + break; + } +} + +/* Because the following variables are not exported outside libffi, we + mark them hidden. */ + +/* Assembly code for the jump stub. */ +extern const char ffi_cris_trampoline_template[] + __attribute__ ((__visibility__ ("hidden"))); + +/* Offset into ffi_cris_trampoline_template of where to put the + ffi_prep_closure_inner function. */ +extern const int ffi_cris_trampoline_fn_offset + __attribute__ ((__visibility__ ("hidden"))); + +/* Offset into ffi_cris_trampoline_template of where to put the + closure data. */ +extern const int ffi_cris_trampoline_closure_offset + __attribute__ ((__visibility__ ("hidden"))); + +/* This function is sibling-called (jumped to) by the closure + trampoline. We get R10..R13 at PARAMS[0..3] and a copy of [SP] at + PARAMS[4] to simplify handling of a straddling parameter. A copy + of R9 is at PARAMS[5] and SP at PARAMS[6]. These parameters are + put at the appropriate place in CLOSURE which is then executed and + the return value is passed back to the caller. */ + +static unsigned long long +ffi_prep_closure_inner (void **params, ffi_closure* closure) +{ + char *register_args = (char *) params; + void *struct_ret = params[5]; + char *stack_args = params[6]; + char *ptr = register_args; + ffi_cif *cif = closure->cif; + ffi_type **arg_types = cif->arg_types; + + /* Max room needed is number of arguments as 64-bit values. */ + void **avalue = alloca (closure->cif->nargs * sizeof(void *)); + int i; + int doing_regs; + long long llret = 0; + + /* Find the address of each argument. */ + for (i = 0, doing_regs = 1; i < cif->nargs; i++) + { + /* Types up to and including 8 bytes go by-value. */ + if (arg_types[i]->size <= 4) + { + avalue[i] = ptr; + ptr += 4; + } + else if (arg_types[i]->size <= 8) + { + avalue[i] = ptr; + ptr += 8; + } + else + { + FFI_ASSERT (arg_types[i]->type == FFI_TYPE_STRUCT); + + /* Passed by-reference, so copy the pointer. */ + avalue[i] = *(void **) ptr; + ptr += 4; + } + + /* If we've handled more arguments than fit in registers, start + looking at the those passed on the stack. Step over the + first one if we had a straddling parameter. */ + if (doing_regs && ptr >= register_args + 4*4) + { + ptr = stack_args + ((ptr > register_args + 4*4) ? 4 : 0); + doing_regs = 0; + } + } + + /* Invoke the closure. */ + (closure->fun) (cif, + + cif->rtype->type == FFI_TYPE_STRUCT + /* The caller allocated space for the return + structure, and passed a pointer to this space in + R9. */ + ? struct_ret + + /* We take advantage of being able to ignore that + the high part isn't set if the return value is + not in R10:R11, but in R10 only. */ + : (void *) &llret, + + avalue, closure->user_data); + + return llret; +} + +/* API function: Prepare the trampoline. */ + +ffi_status +ffi_prep_closure (ffi_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif *, void *, void **, void*), + void *user_data) +{ + void *innerfn = ffi_prep_closure_inner; + FFI_ASSERT (cif->abi == FFI_SYSV); + closure->cif = cif; + closure->user_data = user_data; + closure->fun = fun; + memcpy (closure->tramp, ffi_cris_trampoline_template, + FFI_CRIS_TRAMPOLINE_CODE_PART_SIZE); + memcpy (closure->tramp + ffi_cris_trampoline_fn_offset, + &innerfn, sizeof (void *)); + memcpy (closure->tramp + ffi_cris_trampoline_closure_offset, + &closure, sizeof (void *)); + + return FFI_OK; +} diff --git a/gcc-4.2.1/libffi/src/cris/ffitarget.h b/gcc-4.2.1/libffi/src/cris/ffitarget.h new file mode 100644 index 000000000..3fb937c16 --- /dev/null +++ b/gcc-4.2.1/libffi/src/cris/ffitarget.h @@ -0,0 +1,50 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for CRIS. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + FFI_SYSV, + FFI_DEFAULT_ABI = FFI_SYSV, + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; +#endif + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 1 +#define FFI_CRIS_TRAMPOLINE_CODE_PART_SIZE 36 +#define FFI_CRIS_TRAMPOLINE_DATA_PART_SIZE (7*4) +#define FFI_TRAMPOLINE_SIZE \ + (FFI_CRIS_TRAMPOLINE_CODE_PART_SIZE + FFI_CRIS_TRAMPOLINE_DATA_PART_SIZE) +#define FFI_NATIVE_RAW_API 0 + +#endif diff --git a/gcc-4.2.1/libffi/src/cris/sysv.S b/gcc-4.2.1/libffi/src/cris/sysv.S new file mode 100644 index 000000000..79abaee4d --- /dev/null +++ b/gcc-4.2.1/libffi/src/cris/sysv.S @@ -0,0 +1,215 @@ +/* ----------------------------------------------------------------------- + sysv.S - Copyright (c) 2004 Simon Posnjak + Copyright (c) 2005 Axis Communications AB + + CRIS Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL SIMON POSNJAK BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <ffi.h> +#define CONCAT(x,y) x ## y +#define XCONCAT(x,y) CONCAT (x, y) +#define L(x) XCONCAT (__USER_LABEL_PREFIX__, x) + + .text + + ;; OK, when we get called we should have this (according to + ;; AXIS ETRAX 100LX Programmer's Manual chapter 6.3). + ;; + ;; R10: ffi_prep_args (func. pointer) + ;; R11: &ecif + ;; R12: cif->bytes + ;; R13: fig->flags + ;; sp+0: ecif.rvalue + ;; sp+4: fn (function pointer to the function that we need to call) + + .globl L(ffi_call_SYSV) + .type L(ffi_call_SYSV),@function + .hidden L(ffi_call_SYSV) + +L(ffi_call_SYSV): + ;; Save the regs to the stack. + push $srp + ;; Used for stack pointer saving. + push $r6 + ;; Used for function address pointer. + push $r7 + ;; Used for stack pointer saving. + push $r8 + ;; We save fig->flags to stack we will need them after we + ;; call The Function. + push $r13 + + ;; Saving current stack pointer. + move.d $sp,$r8 + move.d $sp,$r6 + + ;; Move address of ffi_prep_args to r13. + move.d $r10,$r13 + + ;; Make room on the stack for the args of fn. + sub.d $r12,$sp + + ;; Function void ffi_prep_args(char *stack, extended_cif *ecif) parameters are: + ;; r10 <-- stack pointer + ;; r11 <-- &ecif (already there) + move.d $sp,$r10 + + ;; Call the function. + jsr $r13 + + ;; Save the size of the structures which are passed on stack. + move.d $r10,$r7 + + ;; Move first four args in to r10..r13. + move.d [$sp+0],$r10 + move.d [$sp+4],$r11 + move.d [$sp+8],$r12 + move.d [$sp+12],$r13 + + ;; Adjust the stack and check if any parameters are given on stack. + addq 16,$sp + sub.d $r7,$r6 + cmp.d $sp,$r6 + + bpl go_on + nop + +go_on_no_params_on_stack: + move.d $r6,$sp + +go_on: + ;; Discover if we need to put rval address in to r9. + move.d [$r8+0],$r7 + cmpq FFI_TYPE_STRUCT,$r7 + bne call_now + nop + + ;; Move rval address to $r9. + move.d [$r8+20],$r9 + +call_now: + ;; Move address of The Function in to r7. + move.d [$r8+24],$r7 + + ;; Call The Function. + jsr $r7 + + ;; Reset stack. + move.d $r8,$sp + + ;; Load rval type (fig->flags) in to r13. + pop $r13 + + ;; Detect rval type. + cmpq FFI_TYPE_VOID,$r13 + beq epilogue + + cmpq FFI_TYPE_STRUCT,$r13 + beq epilogue + + cmpq FFI_TYPE_DOUBLE,$r13 + beq return_double_or_longlong + + cmpq FFI_TYPE_UINT64,$r13 + beq return_double_or_longlong + + cmpq FFI_TYPE_SINT64,$r13 + beq return_double_or_longlong + nop + + ;; Just return the 32 bit value. + ba return + nop + +return_double_or_longlong: + ;; Load half of the rval to r10 and the other half to r11. + move.d [$sp+16],$r13 + move.d $r10,[$r13] + addq 4,$r13 + move.d $r11,[$r13] + ba epilogue + nop + +return: + ;; Load the rval to r10. + move.d [$sp+16],$r13 + move.d $r10,[$r13] + +epilogue: + pop $r8 + pop $r7 + pop $r6 + Jump [$sp+] + + .size ffi_call_SYSV,.-ffi_call_SYSV + +/* Save R10..R13 into an array, somewhat like varargs. Copy the next + argument too, to simplify handling of any straddling parameter. + Save R9 and SP after those. Jump to function handling the rest. + Since this is a template, copied and the main function filled in by + the user. */ + + .globl L(ffi_cris_trampoline_template) + .type L(ffi_cris_trampoline_template),@function + .hidden L(ffi_cris_trampoline_template) + +L(ffi_cris_trampoline_template): +0: + /* The value we get for "PC" is right after the prefix instruction, + two bytes from the beginning, i.e. 0b+2. */ + move.d $r10,[$pc+2f-(0b+2)] + move.d $pc,$r10 +1: + addq 2f-1b+4,$r10 + move.d $r11,[$r10+] + move.d $r12,[$r10+] + move.d $r13,[$r10+] + move.d [$sp],$r11 + move.d $r11,[$r10+] + move.d $r9,[$r10+] + move.d $sp,[$r10+] + subq FFI_CRIS_TRAMPOLINE_DATA_PART_SIZE,$r10 + move.d 0,$r11 +3: + jump 0 +2: + .size ffi_cris_trampoline_template,.-0b + +/* This macro create a constant usable as "extern const int \name" in + C from within libffi, when \name has no prefix decoration. */ + + .macro const name,value + .globl \name + .type \name,@object + .hidden \name +\name: + .dword \value + .size \name,4 + .endm + +/* Constants for offsets within the trampoline. We could do this with + just symbols, avoiding memory contents and memory accesses, but the + C usage code would look a bit stranger. */ + + const L(ffi_cris_trampoline_fn_offset),2b-4-0b + const L(ffi_cris_trampoline_closure_offset),3b-4-0b diff --git a/gcc-4.2.1/libffi/src/debug.c b/gcc-4.2.1/libffi/src/debug.c new file mode 100644 index 000000000..f15eb91ab --- /dev/null +++ b/gcc-4.2.1/libffi/src/debug.c @@ -0,0 +1,58 @@ +/* ----------------------------------------------------------------------- + debug.c - Copyright (c) 1996 Red Hat, Inc. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> +#include <stdlib.h> +#include <stdio.h> + +/* General debugging routines */ + +void ffi_stop_here(void) +{ + /* This function is only useful for debugging purposes. + Place a breakpoint on ffi_stop_here to be notified of + significant events. */ +} + +/* This function should only be called via the FFI_ASSERT() macro */ + +void ffi_assert(char *expr, char *file, int line) +{ + fprintf(stderr, "ASSERTION FAILURE: %s at %s:%d\n", expr, file, line); + ffi_stop_here(); + abort(); +} + +/* Perform a sanity check on an ffi_type structure */ + +void ffi_type_test(ffi_type *a, char *file, int line) +{ + FFI_ASSERT_AT(a != NULL, file, line); + + FFI_ASSERT_AT(a->type <= FFI_TYPE_LAST, file, line); + FFI_ASSERT_AT(a->type == FFI_TYPE_VOID || a->size > 0, file, line); + FFI_ASSERT_AT(a->type == FFI_TYPE_VOID || a->alignment > 0, file, line); + FFI_ASSERT_AT(a->type != FFI_TYPE_STRUCT || a->elements != NULL, file, line); + +} diff --git a/gcc-4.2.1/libffi/src/frv/eabi.S b/gcc-4.2.1/libffi/src/frv/eabi.S new file mode 100644 index 000000000..59b1e3539 --- /dev/null +++ b/gcc-4.2.1/libffi/src/frv/eabi.S @@ -0,0 +1,130 @@ +/* ----------------------------------------------------------------------- + eabi.S - Copyright (c) 2004 Anthony Green + + FR-V Assembly glue. + + $Id: sysv.S,v 1.1.1.1 1998/11/29 16:48:16 green Exp $ + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + + .globl ffi_prep_args_EABI + + .text + .p2align 4 + .globl ffi_call_EABI + .type ffi_call_EABI, @function + + # gr8 : ffi_prep_args + # gr9 : &ecif + # gr10: cif->bytes + # gr11: fig->flags + # gr12: ecif.rvalue + # gr13: fn + +ffi_call_EABI: + addi sp, #-80, sp + sti fp, @(sp, #24) + addi sp, #24, fp + movsg lr, gr5 + + /* Make room for the new arguments. */ + /* subi sp, fp, gr10 */ + + /* Store return address and incoming args on stack. */ + sti gr5, @(fp, #8) + sti gr8, @(fp, #-4) + sti gr9, @(fp, #-8) + sti gr10, @(fp, #-12) + sti gr11, @(fp, #-16) + sti gr12, @(fp, #-20) + sti gr13, @(fp, #-24) + + sub sp, gr10, sp + + /* Call ffi_prep_args. */ + ldi @(fp, #-4), gr4 + addi sp, #0, gr8 + ldi @(fp, #-8), gr9 +#ifdef __FRV_FDPIC__ + ldd @(gr4, gr0), gr14 + calll @(gr14, gr0) +#else + calll @(gr4, gr0) +#endif + + /* ffi_prep_args returns the new stack pointer. */ + mov gr8, gr4 + + ldi @(sp, #0), gr8 + ldi @(sp, #4), gr9 + ldi @(sp, #8), gr10 + ldi @(sp, #12), gr11 + ldi @(sp, #16), gr12 + ldi @(sp, #20), gr13 + + /* Always copy the return value pointer into the hidden + parameter register. This is only strictly necessary + when we're returning an aggregate type, but it doesn't + hurt to do this all the time, and it saves a branch. */ + ldi @(fp, #-20), gr3 + + /* Use the ffi_prep_args return value for the new sp. */ + mov gr4, sp + + /* Call the target function. */ + ldi @(fp, -24), gr4 +#ifdef __FRV_FDPIC__ + ldd @(gr4, gr0), gr14 + calll @(gr14, gr0) +#else + calll @(gr4, gr0) +#endif + + /* Store the result. */ + ldi @(fp, #-16), gr10 /* fig->flags */ + ldi @(fp, #-20), gr4 /* ecif.rvalue */ + + /* Is the return value stored in two registers? */ + cmpi gr10, #8, icc0 + bne icc0, 0, .L2 + /* Yes, save them. */ + sti gr8, @(gr4, #0) + sti gr9, @(gr4, #4) + bra .L3 +.L2: + /* Is the return value a structure? */ + cmpi gr10, #-1, icc0 + beq icc0, 0, .L3 + /* No, save a 4 byte return value. */ + sti gr8, @(gr4, #0) +.L3: + + /* Restore the stack, and return. */ + ldi @(fp, 8), gr5 + ld @(fp, gr0), fp + addi sp,#80,sp + jmpl @(gr5,gr0) + .size ffi_call_EABI, .-ffi_call_EABI + diff --git a/gcc-4.2.1/libffi/src/frv/ffi.c b/gcc-4.2.1/libffi/src/frv/ffi.c new file mode 100644 index 000000000..6e2ac6873 --- /dev/null +++ b/gcc-4.2.1/libffi/src/frv/ffi.c @@ -0,0 +1,287 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 2004 Anthony Green + + FR-V Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> + +/* ffi_prep_args is called by the assembly routine once stack space + has been allocated for the function's arguments */ + +void *ffi_prep_args(char *stack, extended_cif *ecif) +{ + register unsigned int i; + register void **p_argv; + register char *argp; + register ffi_type **p_arg; + register int count = 0; + + p_argv = ecif->avalue; + argp = stack; + + for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; + (i != 0); + i--, p_arg++) + { + size_t z; + + z = (*p_arg)->size; + + if ((*p_arg)->type == FFI_TYPE_STRUCT) + { + z = sizeof(void*); + *(void **) argp = *p_argv; + } + /* if ((*p_arg)->type == FFI_TYPE_FLOAT) + { + if (count > 24) + { + // This is going on the stack. Turn it into a double. + *(double *) argp = (double) *(float*)(* p_argv); + z = sizeof(double); + } + else + *(void **) argp = *(void **)(* p_argv); + } */ + else if (z < sizeof(int)) + { + z = sizeof(int); + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(signed int *) argp = (signed int)*(SINT8 *)(* p_argv); + break; + + case FFI_TYPE_UINT8: + *(unsigned int *) argp = (unsigned int)*(UINT8 *)(* p_argv); + break; + + case FFI_TYPE_SINT16: + *(signed int *) argp = (signed int)*(SINT16 *)(* p_argv); + break; + + case FFI_TYPE_UINT16: + *(unsigned int *) argp = (unsigned int)*(UINT16 *)(* p_argv); + break; + + default: + FFI_ASSERT(0); + } + } + else if (z == sizeof(int)) + { + *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv); + } + else + { + memcpy(argp, *p_argv, z); + } + p_argv++; + argp += z; + count += z; + } + + return (stack + ((count > 24) ? 24 : ALIGN_DOWN(count, 8))); +} + +/* Perform machine dependent cif processing */ +ffi_status ffi_prep_cif_machdep(ffi_cif *cif) +{ + if (cif->rtype->type == FFI_TYPE_STRUCT) + cif->flags = -1; + else + cif->flags = cif->rtype->size; + + cif->bytes = ALIGN (cif->bytes, 8); + + return FFI_OK; +} + +extern void ffi_call_EABI(void *(*)(char *, extended_cif *), + extended_cif *, + unsigned, unsigned, + unsigned *, + void (*fn)()); + +void ffi_call(ffi_cif *cif, + void (*fn)(), + void *rvalue, + void **avalue) +{ + extended_cif ecif; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return */ + /* value address then we need to make one */ + + if ((rvalue == NULL) && + (cif->rtype->type == FFI_TYPE_STRUCT)) + { + ecif.rvalue = alloca(cif->rtype->size); + } + else + ecif.rvalue = rvalue; + + + switch (cif->abi) + { + case FFI_EABI: + ffi_call_EABI(ffi_prep_args, &ecif, cif->bytes, + cif->flags, ecif.rvalue, fn); + break; + default: + FFI_ASSERT(0); + break; + } +} + +void ffi_closure_eabi (unsigned arg1, unsigned arg2, unsigned arg3, + unsigned arg4, unsigned arg5, unsigned arg6) +{ + /* This function is called by a trampoline. The trampoline stows a + pointer to the ffi_closure object in gr7. We must save this + pointer in a place that will persist while we do our work. */ + register ffi_closure *creg __asm__ ("gr7"); + ffi_closure *closure = creg; + + /* Arguments that don't fit in registers are found on the stack + at a fixed offset above the current frame pointer. */ + register char *frame_pointer __asm__ ("fp"); + char *stack_args = frame_pointer + 16; + + /* Lay the register arguments down in a continuous chunk of memory. */ + unsigned register_args[6] = + { arg1, arg2, arg3, arg4, arg5, arg6 }; + + ffi_cif *cif = closure->cif; + ffi_type **arg_types = cif->arg_types; + void **avalue = alloca (cif->nargs * sizeof(void *)); + char *ptr = (char *) register_args; + int i; + + /* Find the address of each argument. */ + for (i = 0; i < cif->nargs; i++) + { + switch (arg_types[i]->type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + avalue[i] = ptr + 3; + break; + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + avalue[i] = ptr + 2; + break; + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT32: + case FFI_TYPE_FLOAT: + avalue[i] = ptr; + break; + case FFI_TYPE_STRUCT: + avalue[i] = *(void**)ptr; + break; + default: + /* This is an 8-byte value. */ + avalue[i] = ptr; + ptr += 4; + break; + } + ptr += 4; + + /* If we've handled more arguments than fit in registers, + start looking at the those passed on the stack. */ + if (ptr == ((char *)register_args + (6*4))) + ptr = stack_args; + } + + /* Invoke the closure. */ + if (cif->rtype->type == FFI_TYPE_STRUCT) + { + /* The caller allocates space for the return structure, and + passes a pointer to this space in gr3. Use this value directly + as the return value. */ + register void *return_struct_ptr __asm__("gr3"); + (closure->fun) (cif, return_struct_ptr, avalue, closure->user_data); + } + else + { + /* Allocate space for the return value and call the function. */ + long long rvalue; + (closure->fun) (cif, &rvalue, avalue, closure->user_data); + + /* Functions return 4-byte or smaller results in gr8. 8-byte + values also use gr9. We fill the both, even for small return + values, just to avoid a branch. */ + asm ("ldi @(%0, #0), gr8" : : "r" (&rvalue)); + asm ("ldi @(%0, #0), gr9" : : "r" (&((int *) &rvalue)[1])); + } +} + +ffi_status +ffi_prep_closure (ffi_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif*, void*, void**, void*), + void *user_data) +{ + unsigned int *tramp = (unsigned int *) &closure->tramp[0]; + unsigned long fn = (long) ffi_closure_eabi; + unsigned long cls = (long) closure; +#ifdef __FRV_FDPIC__ + register void *got __asm__("gr15"); +#endif + int i; + + fn = (unsigned long) ffi_closure_eabi; + +#ifdef __FRV_FDPIC__ + tramp[0] = &tramp[2]; + tramp[1] = got; + tramp[2] = 0x8cfc0000 + (fn & 0xffff); /* setlos lo(fn), gr6 */ + tramp[3] = 0x8efc0000 + (cls & 0xffff); /* setlos lo(cls), gr7 */ + tramp[4] = 0x8cf80000 + (fn >> 16); /* sethi hi(fn), gr6 */ + tramp[5] = 0x8ef80000 + (cls >> 16); /* sethi hi(cls), gr7 */ + tramp[6] = 0x9cc86000; /* ldi @(gr6, #0), gr14 */ + tramp[7] = 0x8030e000; /* jmpl @(gr14, gr0) */ +#else + tramp[0] = 0x8cfc0000 + (fn & 0xffff); /* setlos lo(fn), gr6 */ + tramp[1] = 0x8efc0000 + (cls & 0xffff); /* setlos lo(cls), gr7 */ + tramp[2] = 0x8cf80000 + (fn >> 16); /* sethi hi(fn), gr6 */ + tramp[3] = 0x8ef80000 + (cls >> 16); /* sethi hi(cls), gr7 */ + tramp[4] = 0x80300006; /* jmpl @(gr0, gr6) */ +#endif + + closure->cif = cif; + closure->fun = fun; + closure->user_data = user_data; + + /* Cache flushing. */ + for (i = 0; i < FFI_TRAMPOLINE_SIZE; i++) + __asm__ volatile ("dcf @(%0,%1)\n\tici @(%0,%1)" :: "r" (tramp), "r" (i)); + + return FFI_OK; +} diff --git a/gcc-4.2.1/libffi/src/frv/ffitarget.h b/gcc-4.2.1/libffi/src/frv/ffitarget.h new file mode 100644 index 000000000..d235697d6 --- /dev/null +++ b/gcc-4.2.1/libffi/src/frv/ffitarget.h @@ -0,0 +1,60 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2004 Red Hat, Inc. + Target configuration macros for FR-V + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +/* ---- System specific configurations ----------------------------------- */ + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + +#ifdef FRV + FFI_EABI, + FFI_DEFAULT_ABI = FFI_EABI, +#endif + + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; +#endif + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 1 +#define FFI_NATIVE_RAW_API 0 + +#ifdef __FRV_FDPIC__ +/* Trampolines are 8 4-byte instructions long. */ +#define FFI_TRAMPOLINE_SIZE (8*4) +#else +/* Trampolines are 5 4-byte instructions long. */ +#define FFI_TRAMPOLINE_SIZE (5*4) +#endif + +#endif diff --git a/gcc-4.2.1/libffi/src/ia64/ffi.c b/gcc-4.2.1/libffi/src/ia64/ffi.c new file mode 100644 index 000000000..77dec5672 --- /dev/null +++ b/gcc-4.2.1/libffi/src/ia64/ffi.c @@ -0,0 +1,578 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 1998 Red Hat, Inc. + Copyright (c) 2000 Hewlett Packard Company + + IA64 Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> +#include <stdbool.h> +#include <float.h> + +#include "ia64_flags.h" + +/* A 64-bit pointer value. In LP64 mode, this is effectively a plain + pointer. In ILP32 mode, it's a pointer that's been extended to + 64 bits by "addp4". */ +typedef void *PTR64 __attribute__((mode(DI))); + +/* Memory image of fp register contents. This is the implementation + specific format used by ldf.fill/stf.spill. All we care about is + that it wants a 16 byte aligned slot. */ +typedef struct +{ + UINT64 x[2] __attribute__((aligned(16))); +} fpreg; + + +/* The stack layout given to ffi_call_unix and ffi_closure_unix_inner. */ + +struct ia64_args +{ + fpreg fp_regs[8]; /* Contents of 8 fp arg registers. */ + UINT64 gp_regs[8]; /* Contents of 8 gp arg registers. */ + UINT64 other_args[]; /* Arguments passed on stack, variable size. */ +}; + + +/* Adjust ADDR, a pointer to an 8 byte slot, to point to the low LEN bytes. */ + +static inline void * +endian_adjust (void *addr, size_t len) +{ +#ifdef __BIG_ENDIAN__ + return addr + (8 - len); +#else + return addr; +#endif +} + +/* Store VALUE to ADDR in the current cpu implementation's fp spill format. + This is a macro instead of a function, so that it works for all 3 floating + point types without type conversions. Type conversion to long double breaks + the denorm support. */ + +#define stf_spill(addr, value) \ + asm ("stf.spill %0 = %1%P0" : "=m" (*addr) : "f"(value)); + +/* Load a value from ADDR, which is in the current cpu implementation's + fp spill format. As above, this must also be a macro. */ + +#define ldf_fill(result, addr) \ + asm ("ldf.fill %0 = %1%P1" : "=f"(result) : "m"(*addr)); + +/* Return the size of the C type associated with with TYPE. Which will + be one of the FFI_IA64_TYPE_HFA_* values. */ + +static size_t +hfa_type_size (int type) +{ + switch (type) + { + case FFI_IA64_TYPE_HFA_FLOAT: + return sizeof(float); + case FFI_IA64_TYPE_HFA_DOUBLE: + return sizeof(double); + case FFI_IA64_TYPE_HFA_LDOUBLE: + return sizeof(__float80); + default: + abort (); + } +} + +/* Load from ADDR a value indicated by TYPE. Which will be one of + the FFI_IA64_TYPE_HFA_* values. */ + +static void +hfa_type_load (fpreg *fpaddr, int type, void *addr) +{ + switch (type) + { + case FFI_IA64_TYPE_HFA_FLOAT: + stf_spill (fpaddr, *(float *) addr); + return; + case FFI_IA64_TYPE_HFA_DOUBLE: + stf_spill (fpaddr, *(double *) addr); + return; + case FFI_IA64_TYPE_HFA_LDOUBLE: + stf_spill (fpaddr, *(__float80 *) addr); + return; + default: + abort (); + } +} + +/* Load VALUE into ADDR as indicated by TYPE. Which will be one of + the FFI_IA64_TYPE_HFA_* values. */ + +static void +hfa_type_store (int type, void *addr, fpreg *fpaddr) +{ + switch (type) + { + case FFI_IA64_TYPE_HFA_FLOAT: + { + float result; + ldf_fill (result, fpaddr); + *(float *) addr = result; + break; + } + case FFI_IA64_TYPE_HFA_DOUBLE: + { + double result; + ldf_fill (result, fpaddr); + *(double *) addr = result; + break; + } + case FFI_IA64_TYPE_HFA_LDOUBLE: + { + __float80 result; + ldf_fill (result, fpaddr); + *(__float80 *) addr = result; + break; + } + default: + abort (); + } +} + +/* Is TYPE a struct containing floats, doubles, or extended doubles, + all of the same fp type? If so, return the element type. Return + FFI_TYPE_VOID if not. */ + +static int +hfa_element_type (ffi_type *type, int nested) +{ + int element = FFI_TYPE_VOID; + + switch (type->type) + { + case FFI_TYPE_FLOAT: + /* We want to return VOID for raw floating-point types, but the + synthetic HFA type if we're nested within an aggregate. */ + if (nested) + element = FFI_IA64_TYPE_HFA_FLOAT; + break; + + case FFI_TYPE_DOUBLE: + /* Similarly. */ + if (nested) + element = FFI_IA64_TYPE_HFA_DOUBLE; + break; + + case FFI_TYPE_LONGDOUBLE: + /* Similarly, except that that HFA is true for double extended, + but not quad precision. Both have sizeof == 16, so tell the + difference based on the precision. */ + if (LDBL_MANT_DIG == 64 && nested) + element = FFI_IA64_TYPE_HFA_LDOUBLE; + break; + + case FFI_TYPE_STRUCT: + { + ffi_type **ptr = &type->elements[0]; + + for (ptr = &type->elements[0]; *ptr ; ptr++) + { + int sub_element = hfa_element_type (*ptr, 1); + if (sub_element == FFI_TYPE_VOID) + return FFI_TYPE_VOID; + + if (element == FFI_TYPE_VOID) + element = sub_element; + else if (element != sub_element) + return FFI_TYPE_VOID; + } + } + break; + + default: + return FFI_TYPE_VOID; + } + + return element; +} + + +/* Perform machine dependent cif processing. */ + +ffi_status +ffi_prep_cif_machdep(ffi_cif *cif) +{ + int flags; + + /* Adjust cif->bytes to include space for the bits of the ia64_args frame + that preceeds the integer register portion. The estimate that the + generic bits did for the argument space required is good enough for the + integer component. */ + cif->bytes += offsetof(struct ia64_args, gp_regs[0]); + if (cif->bytes < sizeof(struct ia64_args)) + cif->bytes = sizeof(struct ia64_args); + + /* Set the return type flag. */ + flags = cif->rtype->type; + switch (cif->rtype->type) + { + case FFI_TYPE_LONGDOUBLE: + /* Leave FFI_TYPE_LONGDOUBLE as meaning double extended precision, + and encode quad precision as a two-word integer structure. */ + if (LDBL_MANT_DIG != 64) + flags = FFI_IA64_TYPE_SMALL_STRUCT | (16 << 8); + break; + + case FFI_TYPE_STRUCT: + { + size_t size = cif->rtype->size; + int hfa_type = hfa_element_type (cif->rtype, 0); + + if (hfa_type != FFI_TYPE_VOID) + { + size_t nelts = size / hfa_type_size (hfa_type); + if (nelts <= 8) + flags = hfa_type | (size << 8); + } + else + { + if (size <= 32) + flags = FFI_IA64_TYPE_SMALL_STRUCT | (size << 8); + } + } + break; + + default: + break; + } + cif->flags = flags; + + return FFI_OK; +} + +extern int ffi_call_unix (struct ia64_args *, PTR64, void (*)(), UINT64); + +void +ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + struct ia64_args *stack; + long i, avn, gpcount, fpcount; + ffi_type **p_arg; + + FFI_ASSERT (cif->abi == FFI_UNIX); + + /* If we have no spot for a return value, make one. */ + if (rvalue == NULL && cif->rtype->type != FFI_TYPE_VOID) + rvalue = alloca (cif->rtype->size); + + /* Allocate the stack frame. */ + stack = alloca (cif->bytes); + + gpcount = fpcount = 0; + avn = cif->nargs; + for (i = 0, p_arg = cif->arg_types; i < avn; i++, p_arg++) + { + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + stack->gp_regs[gpcount++] = *(SINT8 *)avalue[i]; + break; + case FFI_TYPE_UINT8: + stack->gp_regs[gpcount++] = *(UINT8 *)avalue[i]; + break; + case FFI_TYPE_SINT16: + stack->gp_regs[gpcount++] = *(SINT16 *)avalue[i]; + break; + case FFI_TYPE_UINT16: + stack->gp_regs[gpcount++] = *(UINT16 *)avalue[i]; + break; + case FFI_TYPE_SINT32: + stack->gp_regs[gpcount++] = *(SINT32 *)avalue[i]; + break; + case FFI_TYPE_UINT32: + stack->gp_regs[gpcount++] = *(UINT32 *)avalue[i]; + break; + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + stack->gp_regs[gpcount++] = *(UINT64 *)avalue[i]; + break; + + case FFI_TYPE_POINTER: + stack->gp_regs[gpcount++] = (UINT64)(PTR64) *(void **)avalue[i]; + break; + + case FFI_TYPE_FLOAT: + if (gpcount < 8 && fpcount < 8) + stf_spill (&stack->fp_regs[fpcount++], *(float *)avalue[i]); + stack->gp_regs[gpcount++] = *(UINT32 *)avalue[i]; + break; + + case FFI_TYPE_DOUBLE: + if (gpcount < 8 && fpcount < 8) + stf_spill (&stack->fp_regs[fpcount++], *(double *)avalue[i]); + stack->gp_regs[gpcount++] = *(UINT64 *)avalue[i]; + break; + + case FFI_TYPE_LONGDOUBLE: + if (gpcount & 1) + gpcount++; + if (LDBL_MANT_DIG == 64 && gpcount < 8 && fpcount < 8) + stf_spill (&stack->fp_regs[fpcount++], *(__float80 *)avalue[i]); + memcpy (&stack->gp_regs[gpcount], avalue[i], 16); + gpcount += 2; + break; + + case FFI_TYPE_STRUCT: + { + size_t size = (*p_arg)->size; + size_t align = (*p_arg)->alignment; + int hfa_type = hfa_element_type (*p_arg, 0); + + FFI_ASSERT (align <= 16); + if (align == 16 && (gpcount & 1)) + gpcount++; + + if (hfa_type != FFI_TYPE_VOID) + { + size_t hfa_size = hfa_type_size (hfa_type); + size_t offset = 0; + size_t gp_offset = gpcount * 8; + + while (fpcount < 8 + && offset < size + && gp_offset < 8 * 8) + { + hfa_type_load (&stack->fp_regs[fpcount], hfa_type, + avalue[i] + offset); + offset += hfa_size; + gp_offset += hfa_size; + fpcount += 1; + } + } + + memcpy (&stack->gp_regs[gpcount], avalue[i], size); + gpcount += (size + 7) / 8; + } + break; + + default: + abort (); + } + } + + ffi_call_unix (stack, rvalue, fn, cif->flags); +} + +/* Closures represent a pair consisting of a function pointer, and + some user data. A closure is invoked by reinterpreting the closure + as a function pointer, and branching to it. Thus we can make an + interpreted function callable as a C function: We turn the + interpreter itself, together with a pointer specifying the + interpreted procedure, into a closure. + + For IA64, function pointer are already pairs consisting of a code + pointer, and a gp pointer. The latter is needed to access global + variables. Here we set up such a pair as the first two words of + the closure (in the "trampoline" area), but we replace the gp + pointer with a pointer to the closure itself. We also add the real + gp pointer to the closure. This allows the function entry code to + both retrieve the user data, and to restire the correct gp pointer. */ + +extern void ffi_closure_unix (); + +ffi_status +ffi_prep_closure (ffi_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif*,void*,void**,void*), + void *user_data) +{ + /* The layout of a function descriptor. A C function pointer really + points to one of these. */ + struct ia64_fd + { + UINT64 code_pointer; + UINT64 gp; + }; + + struct ffi_ia64_trampoline_struct + { + UINT64 code_pointer; /* Pointer to ffi_closure_unix. */ + UINT64 fake_gp; /* Pointer to closure, installed as gp. */ + UINT64 real_gp; /* Real gp value. */ + }; + + struct ffi_ia64_trampoline_struct *tramp; + struct ia64_fd *fd; + + FFI_ASSERT (cif->abi == FFI_UNIX); + + tramp = (struct ffi_ia64_trampoline_struct *)closure->tramp; + fd = (struct ia64_fd *)(void *)ffi_closure_unix; + + tramp->code_pointer = fd->code_pointer; + tramp->real_gp = fd->gp; + tramp->fake_gp = (UINT64)(PTR64)closure; + closure->cif = cif; + closure->user_data = user_data; + closure->fun = fun; + + return FFI_OK; +} + + +UINT64 +ffi_closure_unix_inner (ffi_closure *closure, struct ia64_args *stack, + void *rvalue, void *r8) +{ + ffi_cif *cif; + void **avalue; + ffi_type **p_arg; + long i, avn, gpcount, fpcount; + + cif = closure->cif; + avn = cif->nargs; + avalue = alloca (avn * sizeof (void *)); + + /* If the structure return value is passed in memory get that location + from r8 so as to pass the value directly back to the caller. */ + if (cif->flags == FFI_TYPE_STRUCT) + rvalue = r8; + + gpcount = fpcount = 0; + for (i = 0, p_arg = cif->arg_types; i < avn; i++, p_arg++) + { + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + avalue[i] = endian_adjust(&stack->gp_regs[gpcount++], 1); + break; + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + avalue[i] = endian_adjust(&stack->gp_regs[gpcount++], 2); + break; + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT32: + avalue[i] = endian_adjust(&stack->gp_regs[gpcount++], 4); + break; + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + avalue[i] = &stack->gp_regs[gpcount++]; + break; + case FFI_TYPE_POINTER: + avalue[i] = endian_adjust(&stack->gp_regs[gpcount++], sizeof(void*)); + break; + + case FFI_TYPE_FLOAT: + if (gpcount < 8 && fpcount < 8) + { + fpreg *addr = &stack->fp_regs[fpcount++]; + float result; + avalue[i] = addr; + ldf_fill (result, addr); + *(float *)addr = result; + } + else + avalue[i] = endian_adjust(&stack->gp_regs[gpcount], 4); + gpcount++; + break; + + case FFI_TYPE_DOUBLE: + if (gpcount < 8 && fpcount < 8) + { + fpreg *addr = &stack->fp_regs[fpcount++]; + double result; + avalue[i] = addr; + ldf_fill (result, addr); + *(double *)addr = result; + } + else + avalue[i] = &stack->gp_regs[gpcount]; + gpcount++; + break; + + case FFI_TYPE_LONGDOUBLE: + if (gpcount & 1) + gpcount++; + if (LDBL_MANT_DIG == 64 && gpcount < 8 && fpcount < 8) + { + fpreg *addr = &stack->fp_regs[fpcount++]; + __float80 result; + avalue[i] = addr; + ldf_fill (result, addr); + *(__float80 *)addr = result; + } + else + avalue[i] = &stack->gp_regs[gpcount]; + gpcount += 2; + break; + + case FFI_TYPE_STRUCT: + { + size_t size = (*p_arg)->size; + size_t align = (*p_arg)->alignment; + int hfa_type = hfa_element_type (*p_arg, 0); + + FFI_ASSERT (align <= 16); + if (align == 16 && (gpcount & 1)) + gpcount++; + + if (hfa_type != FFI_TYPE_VOID) + { + size_t hfa_size = hfa_type_size (hfa_type); + size_t offset = 0; + size_t gp_offset = gpcount * 8; + void *addr = alloca (size); + + avalue[i] = addr; + + while (fpcount < 8 + && offset < size + && gp_offset < 8 * 8) + { + hfa_type_store (hfa_type, addr + offset, + &stack->fp_regs[fpcount]); + offset += hfa_size; + gp_offset += hfa_size; + fpcount += 1; + } + + if (offset < size) + memcpy (addr + offset, (char *)stack->gp_regs + gp_offset, + size - offset); + } + else + avalue[i] = &stack->gp_regs[gpcount]; + + gpcount += (size + 7) / 8; + } + break; + + default: + abort (); + } + } + + closure->fun (cif, rvalue, avalue, closure->user_data); + + return cif->flags; +} diff --git a/gcc-4.2.1/libffi/src/ia64/ffitarget.h b/gcc-4.2.1/libffi/src/ia64/ffitarget.h new file mode 100644 index 000000000..0d820b3a5 --- /dev/null +++ b/gcc-4.2.1/libffi/src/ia64/ffitarget.h @@ -0,0 +1,49 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for IA-64. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +#ifndef LIBFFI_ASM +typedef unsigned long long ffi_arg; +typedef signed long long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + FFI_UNIX, /* Linux and all Unix variants use the same conventions */ + FFI_DEFAULT_ABI = FFI_UNIX, + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; +#endif + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 1 +#define FFI_TRAMPOLINE_SIZE 24 /* Really the following struct, which */ + /* can be interpreted as a C function */ + /* descriptor: */ + +#endif + diff --git a/gcc-4.2.1/libffi/src/ia64/ia64_flags.h b/gcc-4.2.1/libffi/src/ia64/ia64_flags.h new file mode 100644 index 000000000..1dd6d7e3f --- /dev/null +++ b/gcc-4.2.1/libffi/src/ia64/ia64_flags.h @@ -0,0 +1,39 @@ +/* ----------------------------------------------------------------------- + ia64_flags.h - Copyright (c) 2000 Hewlett Packard Company + + IA64/unix Foreign Function Interface + + Original author: Hans Boehm, HP Labs + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +/* "Type" codes used between assembly and C. When used as a part of + a cfi->flags value, the low byte will be these extra type codes, + and bits 8-31 will be the actual size of the type. */ + +/* Small structures containing N words in integer registers. */ +#define FFI_IA64_TYPE_SMALL_STRUCT (FFI_TYPE_LAST + 1) + +/* Homogeneous Floating Point Aggregates (HFAs) which are returned + in FP registers. */ +#define FFI_IA64_TYPE_HFA_FLOAT (FFI_TYPE_LAST + 2) +#define FFI_IA64_TYPE_HFA_DOUBLE (FFI_TYPE_LAST + 3) +#define FFI_IA64_TYPE_HFA_LDOUBLE (FFI_TYPE_LAST + 4) diff --git a/gcc-4.2.1/libffi/src/ia64/unix.S b/gcc-4.2.1/libffi/src/ia64/unix.S new file mode 100644 index 000000000..45dabb74c --- /dev/null +++ b/gcc-4.2.1/libffi/src/ia64/unix.S @@ -0,0 +1,555 @@ +/* ----------------------------------------------------------------------- + unix.S - Copyright (c) 1998 Red Hat, Inc. + Copyright (c) 2000 Hewlett Packard Company + + IA64/unix Foreign Function Interface + + Primary author: Hans Boehm, HP Labs + + Loosely modeled on Cygnus code for other platforms. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> +#include "ia64_flags.h" + + .pred.safe_across_calls p1-p5,p16-p63 +.text + +/* int ffi_call_unix (struct ia64_args *stack, PTR64 rvalue, + void (*fn)(), int flags); + */ + + .align 16 + .global ffi_call_unix + .proc ffi_call_unix +ffi_call_unix: + .prologue + /* Bit o trickiness. We actually share a stack frame with ffi_call. + Rely on the fact that ffi_call uses a vframe and don't bother + tracking one here at all. */ + .fframe 0 + .save ar.pfs, r36 // loc0 + alloc loc0 = ar.pfs, 4, 3, 8, 0 + .save rp, loc1 + mov loc1 = b0 + .body + add r16 = 16, in0 + mov loc2 = gp + mov r8 = in1 + ;; + + /* Load up all of the argument registers. */ + ldf.fill f8 = [in0], 32 + ldf.fill f9 = [r16], 32 + ;; + ldf.fill f10 = [in0], 32 + ldf.fill f11 = [r16], 32 + ;; + ldf.fill f12 = [in0], 32 + ldf.fill f13 = [r16], 32 + ;; + ldf.fill f14 = [in0], 32 + ldf.fill f15 = [r16], 24 + ;; + ld8 out0 = [in0], 16 + ld8 out1 = [r16], 16 + ;; + ld8 out2 = [in0], 16 + ld8 out3 = [r16], 16 + ;; + ld8 out4 = [in0], 16 + ld8 out5 = [r16], 16 + ;; + ld8 out6 = [in0] + ld8 out7 = [r16] + ;; + + /* Deallocate the register save area from the stack frame. */ + mov sp = in0 + + /* Call the target function. */ + ld8 r16 = [in2], 8 + ;; + ld8 gp = [in2] + mov b6 = r16 + br.call.sptk.many b0 = b6 + ;; + + /* Dispatch to handle return value. */ + mov gp = loc2 + zxt1 r16 = in3 + ;; + mov ar.pfs = loc0 + addl r18 = @ltoffx(.Lst_table), gp + ;; + ld8.mov r18 = [r18], .Lst_table + mov b0 = loc1 + ;; + shladd r18 = r16, 3, r18 + ;; + ld8 r17 = [r18] + shr in3 = in3, 8 + ;; + add r17 = r17, r18 + ;; + mov b6 = r17 + br b6 + ;; + +.Lst_void: + br.ret.sptk.many b0 + ;; +.Lst_uint8: + zxt1 r8 = r8 + ;; + st8 [in1] = r8 + br.ret.sptk.many b0 + ;; +.Lst_sint8: + sxt1 r8 = r8 + ;; + st8 [in1] = r8 + br.ret.sptk.many b0 + ;; +.Lst_uint16: + zxt2 r8 = r8 + ;; + st8 [in1] = r8 + br.ret.sptk.many b0 + ;; +.Lst_sint16: + sxt2 r8 = r8 + ;; + st8 [in1] = r8 + br.ret.sptk.many b0 + ;; +.Lst_uint32: + zxt4 r8 = r8 + ;; + st8 [in1] = r8 + br.ret.sptk.many b0 + ;; +.Lst_sint32: + sxt4 r8 = r8 + ;; + st8 [in1] = r8 + br.ret.sptk.many b0 + ;; +.Lst_int64: + st8 [in1] = r8 + br.ret.sptk.many b0 + ;; +.Lst_float: + stfs [in1] = f8 + br.ret.sptk.many b0 + ;; +.Lst_double: + stfd [in1] = f8 + br.ret.sptk.many b0 + ;; +.Lst_ldouble: + stfe [in1] = f8 + br.ret.sptk.many b0 + ;; + +.Lst_small_struct: + add sp = -16, sp + cmp.lt p6, p0 = 8, in3 + cmp.lt p7, p0 = 16, in3 + cmp.lt p8, p0 = 24, in3 + ;; + add r16 = 8, sp + add r17 = 16, sp + add r18 = 24, sp + ;; + st8 [sp] = r8 +(p6) st8 [r16] = r9 + mov out0 = in1 +(p7) st8 [r17] = r10 +(p8) st8 [r18] = r11 + mov out1 = sp + mov out2 = in3 + br.call.sptk.many b0 = memcpy# + ;; + mov ar.pfs = loc0 + mov b0 = loc1 + mov gp = loc2 + br.ret.sptk.many b0 + +.Lst_hfa_float: + add r16 = 4, in1 + cmp.lt p6, p0 = 4, in3 + ;; + stfs [in1] = f8, 8 +(p6) stfs [r16] = f9, 8 + cmp.lt p7, p0 = 8, in3 + cmp.lt p8, p0 = 12, in3 + ;; +(p7) stfs [in1] = f10, 8 +(p8) stfs [r16] = f11, 8 + cmp.lt p9, p0 = 16, in3 + cmp.lt p10, p0 = 20, in3 + ;; +(p9) stfs [in1] = f12, 8 +(p10) stfs [r16] = f13, 8 + cmp.lt p6, p0 = 24, in3 + cmp.lt p7, p0 = 28, in3 + ;; +(p6) stfs [in1] = f14 +(p7) stfs [r16] = f15 + br.ret.sptk.many b0 + ;; + +.Lst_hfa_double: + add r16 = 8, in1 + cmp.lt p6, p0 = 8, in3 + ;; + stfd [in1] = f8, 16 +(p6) stfd [r16] = f9, 16 + cmp.lt p7, p0 = 16, in3 + cmp.lt p8, p0 = 24, in3 + ;; +(p7) stfd [in1] = f10, 16 +(p8) stfd [r16] = f11, 16 + cmp.lt p9, p0 = 32, in3 + cmp.lt p10, p0 = 40, in3 + ;; +(p9) stfd [in1] = f12, 16 +(p10) stfd [r16] = f13, 16 + cmp.lt p6, p0 = 48, in3 + cmp.lt p7, p0 = 56, in3 + ;; +(p6) stfd [in1] = f14 +(p7) stfd [r16] = f15 + br.ret.sptk.many b0 + ;; + +.Lst_hfa_ldouble: + add r16 = 16, in1 + cmp.lt p6, p0 = 16, in3 + ;; + stfe [in1] = f8, 32 +(p6) stfe [r16] = f9, 32 + cmp.lt p7, p0 = 32, in3 + cmp.lt p8, p0 = 48, in3 + ;; +(p7) stfe [in1] = f10, 32 +(p8) stfe [r16] = f11, 32 + cmp.lt p9, p0 = 64, in3 + cmp.lt p10, p0 = 80, in3 + ;; +(p9) stfe [in1] = f12, 32 +(p10) stfe [r16] = f13, 32 + cmp.lt p6, p0 = 96, in3 + cmp.lt p7, p0 = 112, in3 + ;; +(p6) stfe [in1] = f14 +(p7) stfe [r16] = f15 + br.ret.sptk.many b0 + ;; + + .endp ffi_call_unix + + .align 16 + .global ffi_closure_unix + .proc ffi_closure_unix + +#define FRAME_SIZE (8*16 + 8*8 + 8*16) + +ffi_closure_unix: + .prologue + .save ar.pfs, r40 // loc0 + alloc loc0 = ar.pfs, 8, 4, 4, 0 + .fframe FRAME_SIZE + add r12 = -FRAME_SIZE, r12 + .save rp, loc1 + mov loc1 = b0 + .save ar.unat, loc2 + mov loc2 = ar.unat + .body + + /* Retrieve closure pointer and real gp. */ +#ifdef _ILP32 + addp4 out0 = 0, gp + addp4 gp = 16, gp +#else + mov out0 = gp + add gp = 16, gp +#endif + ;; + ld8 gp = [gp] + + /* Spill all of the possible argument registers. */ + add r16 = 16 + 8*16, sp + add r17 = 16 + 8*16 + 16, sp + ;; + stf.spill [r16] = f8, 32 + stf.spill [r17] = f9, 32 + mov loc3 = gp + ;; + stf.spill [r16] = f10, 32 + stf.spill [r17] = f11, 32 + ;; + stf.spill [r16] = f12, 32 + stf.spill [r17] = f13, 32 + ;; + stf.spill [r16] = f14, 32 + stf.spill [r17] = f15, 24 + ;; + .mem.offset 0, 0 + st8.spill [r16] = in0, 16 + .mem.offset 8, 0 + st8.spill [r17] = in1, 16 + add out1 = 16 + 8*16, sp + ;; + .mem.offset 0, 0 + st8.spill [r16] = in2, 16 + .mem.offset 8, 0 + st8.spill [r17] = in3, 16 + add out2 = 16, sp + ;; + .mem.offset 0, 0 + st8.spill [r16] = in4, 16 + .mem.offset 8, 0 + st8.spill [r17] = in5, 16 + mov out3 = r8 + ;; + .mem.offset 0, 0 + st8.spill [r16] = in6 + .mem.offset 8, 0 + st8.spill [r17] = in7 + + /* Invoke ffi_closure_unix_inner for the hard work. */ + br.call.sptk.many b0 = ffi_closure_unix_inner + ;; + + /* Dispatch to handle return value. */ + mov gp = loc3 + zxt1 r16 = r8 + ;; + addl r18 = @ltoffx(.Lld_table), gp + mov ar.pfs = loc0 + ;; + ld8.mov r18 = [r18], .Lld_table + mov b0 = loc1 + ;; + shladd r18 = r16, 3, r18 + mov ar.unat = loc2 + ;; + ld8 r17 = [r18] + shr r8 = r8, 8 + ;; + add r17 = r17, r18 + add r16 = 16, sp + ;; + mov b6 = r17 + br b6 + ;; + .label_state 1 + +.Lld_void: + .restore sp + add sp = FRAME_SIZE, sp + br.ret.sptk.many b0 + ;; +.Lld_int: + .body + .copy_state 1 + ld8 r8 = [r16] + .restore sp + add sp = FRAME_SIZE, sp + br.ret.sptk.many b0 + ;; +.Lld_float: + .body + .copy_state 1 + ldfs f8 = [r16] + .restore sp + add sp = FRAME_SIZE, sp + br.ret.sptk.many b0 + ;; +.Lld_double: + .body + .copy_state 1 + ldfd f8 = [r16] + .restore sp + add sp = FRAME_SIZE, sp + br.ret.sptk.many b0 + ;; +.Lld_ldouble: + .body + .copy_state 1 + ldfe f8 = [r16] + .restore sp + add sp = FRAME_SIZE, sp + br.ret.sptk.many b0 + ;; + +.Lld_small_struct: + .body + .copy_state 1 + add r17 = 8, r16 + cmp.lt p6, p0 = 8, r8 + cmp.lt p7, p0 = 16, r8 + cmp.lt p8, p0 = 24, r8 + ;; + ld8 r8 = [r16], 16 +(p6) ld8 r9 = [r17], 16 + ;; +(p7) ld8 r10 = [r16] +(p8) ld8 r11 = [r17] + .restore sp + add sp = FRAME_SIZE, sp + br.ret.sptk.many b0 + ;; + +.Lld_hfa_float: + .body + .copy_state 1 + add r17 = 4, r16 + cmp.lt p6, p0 = 4, r8 + ;; + ldfs f8 = [r16], 8 +(p6) ldfs f9 = [r17], 8 + cmp.lt p7, p0 = 8, r8 + cmp.lt p8, p0 = 12, r8 + ;; +(p7) ldfs f10 = [r16], 8 +(p8) ldfs f11 = [r17], 8 + cmp.lt p9, p0 = 16, r8 + cmp.lt p10, p0 = 20, r8 + ;; +(p9) ldfs f12 = [r16], 8 +(p10) ldfs f13 = [r17], 8 + cmp.lt p6, p0 = 24, r8 + cmp.lt p7, p0 = 28, r8 + ;; +(p6) ldfs f14 = [r16] +(p7) ldfs f15 = [r17] + .restore sp + add sp = FRAME_SIZE, sp + br.ret.sptk.many b0 + ;; + +.Lld_hfa_double: + .body + .copy_state 1 + add r17 = 8, r16 + cmp.lt p6, p0 = 8, r8 + ;; + ldfd f8 = [r16], 16 +(p6) ldfd f9 = [r17], 16 + cmp.lt p7, p0 = 16, r8 + cmp.lt p8, p0 = 24, r8 + ;; +(p7) ldfd f10 = [r16], 16 +(p8) ldfd f11 = [r17], 16 + cmp.lt p9, p0 = 32, r8 + cmp.lt p10, p0 = 40, r8 + ;; +(p9) ldfd f12 = [r16], 16 +(p10) ldfd f13 = [r17], 16 + cmp.lt p6, p0 = 48, r8 + cmp.lt p7, p0 = 56, r8 + ;; +(p6) ldfd f14 = [r16] +(p7) ldfd f15 = [r17] + .restore sp + add sp = FRAME_SIZE, sp + br.ret.sptk.many b0 + ;; + +.Lld_hfa_ldouble: + .body + .copy_state 1 + add r17 = 16, r16 + cmp.lt p6, p0 = 16, r8 + ;; + ldfe f8 = [r16], 32 +(p6) ldfe f9 = [r17], 32 + cmp.lt p7, p0 = 32, r8 + cmp.lt p8, p0 = 48, r8 + ;; +(p7) ldfe f10 = [r16], 32 +(p8) ldfe f11 = [r17], 32 + cmp.lt p9, p0 = 64, r8 + cmp.lt p10, p0 = 80, r8 + ;; +(p9) ldfe f12 = [r16], 32 +(p10) ldfe f13 = [r17], 32 + cmp.lt p6, p0 = 96, r8 + cmp.lt p7, p0 = 112, r8 + ;; +(p6) ldfe f14 = [r16] +(p7) ldfe f15 = [r17] + .restore sp + add sp = FRAME_SIZE, sp + br.ret.sptk.many b0 + ;; + + .endp ffi_closure_unix + + .section .rodata + .align 8 +.Lst_table: + data8 @pcrel(.Lst_void) // FFI_TYPE_VOID + data8 @pcrel(.Lst_sint32) // FFI_TYPE_INT + data8 @pcrel(.Lst_float) // FFI_TYPE_FLOAT + data8 @pcrel(.Lst_double) // FFI_TYPE_DOUBLE + data8 @pcrel(.Lst_ldouble) // FFI_TYPE_LONGDOUBLE + data8 @pcrel(.Lst_uint8) // FFI_TYPE_UINT8 + data8 @pcrel(.Lst_sint8) // FFI_TYPE_SINT8 + data8 @pcrel(.Lst_uint16) // FFI_TYPE_UINT16 + data8 @pcrel(.Lst_sint16) // FFI_TYPE_SINT16 + data8 @pcrel(.Lst_uint32) // FFI_TYPE_UINT32 + data8 @pcrel(.Lst_sint32) // FFI_TYPE_SINT32 + data8 @pcrel(.Lst_int64) // FFI_TYPE_UINT64 + data8 @pcrel(.Lst_int64) // FFI_TYPE_SINT64 + data8 @pcrel(.Lst_void) // FFI_TYPE_STRUCT + data8 @pcrel(.Lst_int64) // FFI_TYPE_POINTER + data8 @pcrel(.Lst_small_struct) // FFI_IA64_TYPE_SMALL_STRUCT + data8 @pcrel(.Lst_hfa_float) // FFI_IA64_TYPE_HFA_FLOAT + data8 @pcrel(.Lst_hfa_double) // FFI_IA64_TYPE_HFA_DOUBLE + data8 @pcrel(.Lst_hfa_ldouble) // FFI_IA64_TYPE_HFA_LDOUBLE + +.Lld_table: + data8 @pcrel(.Lld_void) // FFI_TYPE_VOID + data8 @pcrel(.Lld_int) // FFI_TYPE_INT + data8 @pcrel(.Lld_float) // FFI_TYPE_FLOAT + data8 @pcrel(.Lld_double) // FFI_TYPE_DOUBLE + data8 @pcrel(.Lld_ldouble) // FFI_TYPE_LONGDOUBLE + data8 @pcrel(.Lld_int) // FFI_TYPE_UINT8 + data8 @pcrel(.Lld_int) // FFI_TYPE_SINT8 + data8 @pcrel(.Lld_int) // FFI_TYPE_UINT16 + data8 @pcrel(.Lld_int) // FFI_TYPE_SINT16 + data8 @pcrel(.Lld_int) // FFI_TYPE_UINT32 + data8 @pcrel(.Lld_int) // FFI_TYPE_SINT32 + data8 @pcrel(.Lld_int) // FFI_TYPE_UINT64 + data8 @pcrel(.Lld_int) // FFI_TYPE_SINT64 + data8 @pcrel(.Lld_void) // FFI_TYPE_STRUCT + data8 @pcrel(.Lld_int) // FFI_TYPE_POINTER + data8 @pcrel(.Lld_small_struct) // FFI_IA64_TYPE_SMALL_STRUCT + data8 @pcrel(.Lld_hfa_float) // FFI_IA64_TYPE_HFA_FLOAT + data8 @pcrel(.Lld_hfa_double) // FFI_IA64_TYPE_HFA_DOUBLE + data8 @pcrel(.Lld_hfa_ldouble) // FFI_IA64_TYPE_HFA_LDOUBLE diff --git a/gcc-4.2.1/libffi/src/java_raw_api.c b/gcc-4.2.1/libffi/src/java_raw_api.c new file mode 100644 index 000000000..5f15a05c3 --- /dev/null +++ b/gcc-4.2.1/libffi/src/java_raw_api.c @@ -0,0 +1,337 @@ +/* ----------------------------------------------------------------------- + java_raw_api.c - Copyright (c) 1999 Red Hat, Inc. + + Cloned from raw_api.c + + Raw_api.c author: Kresten Krab Thorup <krab@gnu.org> + Java_raw_api.c author: Hans-J. Boehm <hboehm@hpl.hp.com> + + $Id $ + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +/* This defines a Java- and 64-bit specific variant of the raw API. */ +/* It assumes that "raw" argument blocks look like Java stacks on a */ +/* 64-bit machine. Arguments that can be stored in a single stack */ +/* stack slots (longs, doubles) occupy 128 bits, but only the first */ +/* 64 bits are actually used. */ + +#include <ffi.h> +#include <ffi_common.h> +#include <stdlib.h> + +#if !defined(NO_JAVA_RAW_API) && !defined(FFI_NO_RAW_API) + +size_t +ffi_java_raw_size (ffi_cif *cif) +{ + size_t result = 0; + int i; + + ffi_type **at = cif->arg_types; + + for (i = cif->nargs-1; i >= 0; i--, at++) + { + switch((*at) -> type) { + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + case FFI_TYPE_DOUBLE: + result += 2 * FFI_SIZEOF_ARG; + break; + case FFI_TYPE_STRUCT: + /* No structure parameters in Java. */ + abort(); + default: + result += FFI_SIZEOF_ARG; + } + } + + return result; +} + + +void +ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_raw *raw, void **args) +{ + unsigned i; + ffi_type **tp = cif->arg_types; + +#if WORDS_BIGENDIAN + + for (i = 0; i < cif->nargs; i++, tp++, args++) + { + switch ((*tp)->type) + { + case FFI_TYPE_UINT8: + case FFI_TYPE_SINT8: + *args = (void*) ((char*)(raw++) + 3); + break; + + case FFI_TYPE_UINT16: + case FFI_TYPE_SINT16: + *args = (void*) ((char*)(raw++) + 2); + break; + +#if FFI_SIZEOF_ARG == 8 + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + case FFI_TYPE_DOUBLE: + *args = (void *)raw; + raw += 2; + break; +#endif + + case FFI_TYPE_POINTER: + *args = (void*) &(raw++)->ptr; + break; + + default: + *args = raw; + raw += ALIGN ((*tp)->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; + } + } + +#else /* WORDS_BIGENDIAN */ + +#if !PDP + + /* then assume little endian */ + for (i = 0; i < cif->nargs; i++, tp++, args++) + { +#if FFI_SIZEOF_ARG == 8 + switch((*tp)->type) { + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + case FFI_TYPE_DOUBLE: + *args = (void*) raw; + raw += 2; + break; + default: + *args = (void*) raw++; + } +#else /* FFI_SIZEOF_ARG != 8 */ + *args = (void*) raw; + raw += ALIGN ((*tp)->size, sizeof (void*)) / sizeof (void*); +#endif /* FFI_SIZEOF_ARG == 8 */ + } + +#else +#error "pdp endian not supported" +#endif /* ! PDP */ + +#endif /* WORDS_BIGENDIAN */ +} + +void +ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_raw *raw) +{ + unsigned i; + ffi_type **tp = cif->arg_types; + + for (i = 0; i < cif->nargs; i++, tp++, args++) + { + switch ((*tp)->type) + { + case FFI_TYPE_UINT8: +#if WORDS_BIGENDIAN + *(UINT32*)(raw++) = *(UINT8*) (*args); +#else + (raw++)->uint = *(UINT8*) (*args); +#endif + break; + + case FFI_TYPE_SINT8: +#if WORDS_BIGENDIAN + *(SINT32*)(raw++) = *(SINT8*) (*args); +#else + (raw++)->sint = *(SINT8*) (*args); +#endif + break; + + case FFI_TYPE_UINT16: +#if WORDS_BIGENDIAN + *(UINT32*)(raw++) = *(UINT16*) (*args); +#else + (raw++)->uint = *(UINT16*) (*args); +#endif + break; + + case FFI_TYPE_SINT16: +#if WORDS_BIGENDIAN + *(SINT32*)(raw++) = *(SINT16*) (*args); +#else + (raw++)->sint = *(SINT16*) (*args); +#endif + break; + + case FFI_TYPE_UINT32: +#if WORDS_BIGENDIAN + *(UINT32*)(raw++) = *(UINT32*) (*args); +#else + (raw++)->uint = *(UINT32*) (*args); +#endif + break; + + case FFI_TYPE_SINT32: +#if WORDS_BIGENDIAN + *(SINT32*)(raw++) = *(SINT32*) (*args); +#else + (raw++)->sint = *(SINT32*) (*args); +#endif + break; + + case FFI_TYPE_FLOAT: + (raw++)->flt = *(FLOAT32*) (*args); + break; + +#if FFI_SIZEOF_ARG == 8 + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + case FFI_TYPE_DOUBLE: + raw->uint = *(UINT64*) (*args); + raw += 2; + break; +#endif + + case FFI_TYPE_POINTER: + (raw++)->ptr = **(void***) args; + break; + + default: +#if FFI_SIZEOF_ARG == 8 + FFI_ASSERT(0); /* Should have covered all cases */ +#else + memcpy ((void*) raw->data, (void*)*args, (*tp)->size); + raw += ALIGN ((*tp)->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; +#endif + } + } +} + +#if !FFI_NATIVE_RAW_API + +static void +ffi_java_rvalue_to_raw (ffi_cif *cif, void *rvalue) +{ +#if WORDS_BIGENDIAN && FFI_SIZEOF_ARG == 8 + switch (cif->rtype->type) + { + case FFI_TYPE_UINT8: + case FFI_TYPE_UINT16: + case FFI_TYPE_UINT32: + *(UINT64 *)rvalue <<= 32; + break; + + case FFI_TYPE_SINT8: + case FFI_TYPE_SINT16: + case FFI_TYPE_SINT32: + case FFI_TYPE_INT: + *(SINT64 *)rvalue <<= 32; + break; + + default: + break; + } +#endif +} + +static void +ffi_java_raw_to_rvalue (ffi_cif *cif, void *rvalue) +{ +#if WORDS_BIGENDIAN && FFI_SIZEOF_ARG == 8 + switch (cif->rtype->type) + { + case FFI_TYPE_UINT8: + case FFI_TYPE_UINT16: + case FFI_TYPE_UINT32: + *(UINT64 *)rvalue >>= 32; + break; + + case FFI_TYPE_SINT8: + case FFI_TYPE_SINT16: + case FFI_TYPE_SINT32: + case FFI_TYPE_INT: + *(SINT64 *)rvalue >>= 32; + break; + + default: + break; + } +#endif +} + +/* This is a generic definition of ffi_raw_call, to be used if the + * native system does not provide a machine-specific implementation. + * Having this, allows code to be written for the raw API, without + * the need for system-specific code to handle input in that format; + * these following couple of functions will handle the translation forth + * and back automatically. */ + +void ffi_java_raw_call (ffi_cif *cif, void (*fn)(), void *rvalue, ffi_raw *raw) +{ + void **avalue = (void**) alloca (cif->nargs * sizeof (void*)); + ffi_java_raw_to_ptrarray (cif, raw, avalue); + ffi_call (cif, fn, rvalue, avalue); + ffi_java_rvalue_to_raw (cif, rvalue); +} + +#if FFI_CLOSURES /* base system provides closures */ + +static void +ffi_java_translate_args (ffi_cif *cif, void *rvalue, + void **avalue, void *user_data) +{ + ffi_raw *raw = (ffi_raw*)alloca (ffi_java_raw_size (cif)); + ffi_raw_closure *cl = (ffi_raw_closure*)user_data; + + ffi_java_ptrarray_to_raw (cif, avalue, raw); + (*cl->fun) (cif, rvalue, raw, cl->user_data); + ffi_java_raw_to_rvalue (cif, rvalue); +} + +/* Again, here is the generic version of ffi_prep_raw_closure, which + * will install an intermediate "hub" for translation of arguments from + * the pointer-array format, to the raw format */ + +ffi_status +ffi_prep_java_raw_closure (ffi_raw_closure* cl, + ffi_cif *cif, + void (*fun)(ffi_cif*,void*,ffi_raw*,void*), + void *user_data) +{ + ffi_status status; + + status = ffi_prep_closure ((ffi_closure*) cl, + cif, + &ffi_java_translate_args, + (void*)cl); + if (status == FFI_OK) + { + cl->fun = fun; + cl->user_data = user_data; + } + + return status; +} + +#endif /* FFI_CLOSURES */ +#endif /* !FFI_NATIVE_RAW_API */ +#endif /* !FFI_NO_RAW_API */ diff --git a/gcc-4.2.1/libffi/src/m32r/ffi.c b/gcc-4.2.1/libffi/src/m32r/ffi.c new file mode 100644 index 000000000..c3e8204e8 --- /dev/null +++ b/gcc-4.2.1/libffi/src/m32r/ffi.c @@ -0,0 +1,231 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 2004 Renesas Technology + + M32R Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL RENESAS TECHNOLOGY BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> + +/* ffi_prep_args is called by the assembly routine once stack + space has been allocated for the function's arguments. */ + +void ffi_prep_args(char *stack, extended_cif *ecif) +{ + unsigned int i; + int tmp; + unsigned int avn; + void **p_argv; + char *argp; + ffi_type **p_arg; + + tmp = 0; + argp = stack; + + if (ecif->cif->rtype->type == FFI_TYPE_STRUCT && ecif->cif->rtype->size > 8) + { + *(void **) argp = ecif->rvalue; + argp += 4; + } + + avn = ecif->cif->nargs; + p_argv = ecif->avalue; + + for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; + (i != 0) && (avn != 0); + i--, p_arg++) + { + size_t z; + + /* Align if necessary. */ + if (((*p_arg)->alignment - 1) & (unsigned) argp) + argp = (char *) ALIGN (argp, (*p_arg)->alignment); + + if (avn != 0) + { + avn--; + z = (*p_arg)->size; + if (z < sizeof (int)) + { + z = sizeof (int); + + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(signed int *) argp = (signed int)*(SINT8 *)(* p_argv); + break; + + case FFI_TYPE_UINT8: + *(unsigned int *) argp = (unsigned int)*(UINT8 *)(* p_argv); + break; + + case FFI_TYPE_SINT16: + *(signed int *) argp = (signed int)*(SINT16 *)(* p_argv); + break; + + case FFI_TYPE_UINT16: + *(unsigned int *) argp = (unsigned int)*(UINT16 *)(* p_argv); + break; + + case FFI_TYPE_STRUCT: + z = (*p_arg)->size; + if ((*p_arg)->alignment != 1) + memcpy (argp, *p_argv, z); + else + memcpy (argp + 4 - z, *p_argv, z); + z = sizeof (int); + break; + + default: + FFI_ASSERT(0); + } + } + else if (z == sizeof (int)) + { + *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv); + } + else + { + if ((*p_arg)->type == FFI_TYPE_STRUCT) + { + if (z > 8) + { + *(unsigned int *) argp = (unsigned int)(void *)(* p_argv); + z = sizeof(void *); + } + else + { + memcpy(argp, *p_argv, z); + z = 8; + } + } + else + { + /* Double or long long 64bit. */ + memcpy (argp, *p_argv, z); + } + } + p_argv++; + argp += z; + } + } + + return; +} + +/* Perform machine dependent cif processing. */ +ffi_status +ffi_prep_cif_machdep(ffi_cif *cif) +{ + /* Set the return type flag. */ + switch (cif->rtype->type) + { + case FFI_TYPE_VOID: + cif->flags = (unsigned) cif->rtype->type; + break; + + case FFI_TYPE_STRUCT: + if (cif->rtype->size <= 4) + cif->flags = FFI_TYPE_INT; + + else if (cif->rtype->size <= 8) + cif->flags = FFI_TYPE_DOUBLE; + + else + cif->flags = (unsigned) cif->rtype->type; + break; + + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + case FFI_TYPE_DOUBLE: + cif->flags = FFI_TYPE_DOUBLE; + break; + + case FFI_TYPE_FLOAT: + default: + cif->flags = FFI_TYPE_INT; + break; + } + + return FFI_OK; +} + +extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *, + unsigned, unsigned, unsigned *, void (*fn)()); + +void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + extended_cif ecif; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have + a return value address then we need to make one. */ + if ((rvalue == NULL) && + (cif->rtype->type == FFI_TYPE_STRUCT)) + { + ecif.rvalue = alloca (cif->rtype->size); + } + else + ecif.rvalue = rvalue; + + switch (cif->abi) + { + case FFI_SYSV: + ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes, + cif->flags, ecif.rvalue, fn); + if (cif->rtype->type == FFI_TYPE_STRUCT) + { + int size = cif->rtype->size; + int align = cif->rtype->alignment; + + if (size < 4) + { + if (align == 1) + *(unsigned long *)(ecif.rvalue) <<= (4 - size) * 8; + } + else if (4 < size && size < 8) + { + if (align == 1) + { + memcpy (ecif.rvalue, ecif.rvalue + 8-size, size); + } + else if (align == 2) + { + if (size & 1) + size += 1; + + if (size != 8) + memcpy (ecif.rvalue, ecif.rvalue + 8-size, size); + } + } + } + break; + + default: + FFI_ASSERT(0); + break; + } +} diff --git a/gcc-4.2.1/libffi/src/m32r/ffitarget.h b/gcc-4.2.1/libffi/src/m32r/ffitarget.h new file mode 100644 index 000000000..6a761f659 --- /dev/null +++ b/gcc-4.2.1/libffi/src/m32r/ffitarget.h @@ -0,0 +1,48 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 2004 Renesas Technology. + Target configuration macros for M32R. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL RENESAS TECHNOLOGY BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +/* ---- Generic type definitions ----------------------------------------- */ + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi + { + FFI_FIRST_ABI = 0, + FFI_SYSV, + FFI_DEFAULT_ABI = FFI_SYSV, + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 + } ffi_abi; +#endif + +#define FFI_CLOSURES 0 +#define FFI_TRAMPOLINE_SIZE 24 +#define FFI_NATIVE_RAW_API 0 + +#endif diff --git a/gcc-4.2.1/libffi/src/m32r/sysv.S b/gcc-4.2.1/libffi/src/m32r/sysv.S new file mode 100644 index 000000000..06b75c226 --- /dev/null +++ b/gcc-4.2.1/libffi/src/m32r/sysv.S @@ -0,0 +1,121 @@ +/* ----------------------------------------------------------------------- + sysv.S - Copyright (c) 2004 Renesas Technology + + M32R Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL RENESAS TECHNOLOGY BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> +#ifdef HAVE_MACHINE_ASM_H +#include <machine/asm.h> +#else +/* XXX these lose for some platforms, I'm sure. */ +#define CNAME(x) x +#define ENTRY(x) .globl CNAME(x)! .type CNAME(x),%function! CNAME(x): +#endif + +.text + + /* R0: ffi_prep_args */ + /* R1: &ecif */ + /* R2: cif->bytes */ + /* R3: fig->flags */ + /* sp+0: ecif.rvalue */ + /* sp+4: fn */ + + /* This assumes we are using gas. */ +ENTRY(ffi_call_SYSV) + /* Save registers. */ + push fp + push lr + push r3 + push r2 + push r1 + push r0 + mv fp, sp + + /* Make room for all of the new args. */ + sub sp, r2 + + /* Place all of the ffi_prep_args in position. */ + mv lr, r0 + mv r0, sp + /* R1 already set. */ + + /* And call. */ + jl lr + + /* Move first 4 parameters in registers... */ + ld r0, @(0,sp) + ld r1, @(4,sp) + ld r2, @(8,sp) + ld r3, @(12,sp) + + /* ...and adjust the stack. */ + ld lr, @(8,fp) + cmpi lr, #16 + bc adjust_stack + ldi lr, #16 +adjust_stack: + add sp, lr + + /* Call the function. */ + ld lr, @(28,fp) + jl lr + + /* Remove the space we pushed for the args. */ + mv sp, fp + + /* Load R2 with the pointer to storage for the return value. */ + ld r2, @(24,sp) + + /* Load R3 with the return type code. */ + ld r3, @(12,sp) + + /* If the return value pointer is NULL, assume no return value. */ + beqz r2, epilogue + + /* Return INT. */ + ldi r4, #FFI_TYPE_INT + bne r3, r4, return_double + st r0, @r2 + bra epilogue + +return_double: + /* Return DOUBLE or LONGDOUBLE. */ + ldi r4, #FFI_TYPE_DOUBLE + bne r3, r4, epilogue + st r0, @r2 + st r1, @(4,r2) + +epilogue: + pop r0 + pop r1 + pop r2 + pop r3 + pop lr + pop fp + jmp lr + +.ffi_call_SYSV_end: + .size CNAME(ffi_call_SYSV),.ffi_call_SYSV_end-CNAME(ffi_call_SYSV) diff --git a/gcc-4.2.1/libffi/src/m68k/ffi.c b/gcc-4.2.1/libffi/src/m68k/ffi.c new file mode 100644 index 000000000..55f3a988b --- /dev/null +++ b/gcc-4.2.1/libffi/src/m68k/ffi.c @@ -0,0 +1,176 @@ +/* ----------------------------------------------------------------------- + ffi.c + + m68k Foreign Function Interface + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> + +/* ffi_prep_args is called by the assembly routine once stack space has + been allocated for the function's arguments. */ + +static void * +ffi_prep_args (void *stack, extended_cif *ecif) +{ + unsigned int i; + void **p_argv; + char *argp; + ffi_type **p_arg; + void *struct_value_ptr; + + argp = stack; + + if (ecif->cif->rtype->type == FFI_TYPE_STRUCT + && ecif->cif->rtype->size > 8) + struct_value_ptr = ecif->rvalue; + else + struct_value_ptr = NULL; + + p_argv = ecif->avalue; + + for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; + i != 0; + i--, p_arg++) + { + size_t z; + + /* Align if necessary. */ + if (((*p_arg)->alignment - 1) & (unsigned) argp) + argp = (char *) ALIGN (argp, (*p_arg)->alignment); + + z = (*p_arg)->size; + if (z < sizeof (int)) + { + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(signed int *) argp = (signed int) *(SINT8 *) *p_argv; + break; + + case FFI_TYPE_UINT8: + *(unsigned int *) argp = (unsigned int) *(UINT8 *) *p_argv; + break; + + case FFI_TYPE_SINT16: + *(signed int *) argp = (signed int) *(SINT16 *) *p_argv; + break; + + case FFI_TYPE_UINT16: + *(unsigned int *) argp = (unsigned int) *(UINT16 *) *p_argv; + break; + + case FFI_TYPE_STRUCT: + memcpy (argp + sizeof (int) - z, *p_argv, z); + break; + + default: + FFI_ASSERT (0); + } + z = sizeof (int); + } + else + memcpy (argp, *p_argv, z); + p_argv++; + argp += z; + } + + return struct_value_ptr; +} + +#define CIF_FLAGS_INT 1 +#define CIF_FLAGS_DINT 2 +#define CIF_FLAGS_FLOAT 4 +#define CIF_FLAGS_DOUBLE 8 +#define CIF_FLAGS_LDOUBLE 16 +#define CIF_FLAGS_POINTER 32 +#define CIF_FLAGS_STRUCT 64 + +/* Perform machine dependent cif processing */ +ffi_status +ffi_prep_cif_machdep (ffi_cif *cif) +{ + /* Set the return type flag */ + switch (cif->rtype->type) + { + case FFI_TYPE_VOID: + cif->flags = 0; + break; + + case FFI_TYPE_STRUCT: + if (cif->rtype->size > 4 && cif->rtype->size <= 8) + cif->flags = CIF_FLAGS_DINT; + else if (cif->rtype->size <= 4) + cif->flags = CIF_FLAGS_STRUCT; + else + cif->flags = 0; + break; + + case FFI_TYPE_FLOAT: + cif->flags = CIF_FLAGS_FLOAT; + break; + + case FFI_TYPE_DOUBLE: + cif->flags = CIF_FLAGS_DOUBLE; + break; + + case FFI_TYPE_LONGDOUBLE: + cif->flags = CIF_FLAGS_LDOUBLE; + break; + + case FFI_TYPE_POINTER: + cif->flags = CIF_FLAGS_POINTER; + break; + + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + cif->flags = CIF_FLAGS_DINT; + break; + + default: + cif->flags = CIF_FLAGS_INT; + break; + } + + return FFI_OK; +} + +extern void ffi_call_SYSV (void *(*) (void *, extended_cif *), + extended_cif *, + unsigned, unsigned, unsigned, + void *, void (*fn) ()); + +void +ffi_call (ffi_cif *cif, void (*fn) (), void *rvalue, void **avalue) +{ + extended_cif ecif; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return value + address then we need to make one. */ + + if (rvalue == NULL + && cif->rtype->type == FFI_TYPE_STRUCT + && cif->rtype->size > 8) + ecif.rvalue = alloca (cif->rtype->size); + else + ecif.rvalue = rvalue; + + + switch (cif->abi) + { + case FFI_SYSV: + ffi_call_SYSV (ffi_prep_args, &ecif, cif->bytes, + cif->flags, cif->rtype->size * 8, + ecif.rvalue, fn); + break; + + default: + FFI_ASSERT (0); + break; + } +} diff --git a/gcc-4.2.1/libffi/src/m68k/ffitarget.h b/gcc-4.2.1/libffi/src/m68k/ffitarget.h new file mode 100644 index 000000000..aca7facc5 --- /dev/null +++ b/gcc-4.2.1/libffi/src/m68k/ffitarget.h @@ -0,0 +1,47 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for Motorola 68K. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + FFI_SYSV, + FFI_DEFAULT_ABI = FFI_SYSV, + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; +#endif + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 0 +#define FFI_NATIVE_RAW_API 0 + +#endif + diff --git a/gcc-4.2.1/libffi/src/m68k/sysv.S b/gcc-4.2.1/libffi/src/m68k/sysv.S new file mode 100644 index 000000000..d019a377e --- /dev/null +++ b/gcc-4.2.1/libffi/src/m68k/sysv.S @@ -0,0 +1,97 @@ +/* ----------------------------------------------------------------------- + sysv.S + + m68k Foreign Function Interface + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + + .text + + .globl ffi_call_SYSV + .type ffi_call_SYSV,@function + +ffi_call_SYSV: + link %fp,#0 + move.l %d2,-(%sp) + + | Make room for all of the new args. + sub.l 16(%fp),%sp + + | Call ffi_prep_args + move.l 12(%fp),-(%sp) + pea 4(%sp) + move.l 8(%fp),%a0 + jsr (%a0) + addq.l #8,%sp + + | Pass pointer to struct value, if any + move.l %a0,%a1 + + | Call the function + move.l 32(%fp),%a0 + jsr (%a0) + + | Remove the space we pushed for the args + add.l 16(%fp),%sp + + | Load the pointer to storage for the return value + move.l 28(%fp),%a1 + + | Load the return type code + move.l 20(%fp),%d2 + + | If the return value pointer is NULL, assume no return value. + tst.l %a1 + jbeq noretval + + btst #0,%d2 + jbeq retlongint + move.l %d0,(%a1) + jbra epilogue + +retlongint: + btst #1,%d2 + jbeq retfloat + move.l %d0,(%a1) + move.l %d1,4(%a1) + jbra epilogue + +retfloat: + btst #2,%d2 + jbeq retdouble + fmove.s %fp0,(%a1) + jbra epilogue + +retdouble: + btst #3,%d2 + jbeq retlongdouble + fmove.d %fp0,(%a1) + jbra epilogue + +retlongdouble: + btst #4,%d2 + jbeq retpointer + fmove.x %fp0,(%a1) + jbra epilogue + +retpointer: + btst #5,%d2 + jbeq retstruct + move.l %a0,(%a1) + jbra epilogue + +retstruct: + btst #6,%d2 + jbeq noretval + move.l 24(%fp),%d2 + bfins %d0,(%a1){#0,%d2} + +noretval: +epilogue: + move.l (%sp)+,%d2 + unlk %a6 + rts + .size ffi_call_SYSV,.-ffi_call_SYSV diff --git a/gcc-4.2.1/libffi/src/mips/ffi.c b/gcc-4.2.1/libffi/src/mips/ffi.c new file mode 100644 index 000000000..73bc95218 --- /dev/null +++ b/gcc-4.2.1/libffi/src/mips/ffi.c @@ -0,0 +1,648 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 1996 Red Hat, Inc. + + MIPS Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> +#include <sys/cachectl.h> + +#if _MIPS_SIM == _ABIN32 +#define FIX_ARGP \ +FFI_ASSERT(argp <= &stack[bytes]); \ +if (argp == &stack[bytes]) \ +{ \ + argp = stack; \ + ffi_stop_here(); \ +} +#else +#define FIX_ARGP +#endif + + +/* ffi_prep_args is called by the assembly routine once stack space + has been allocated for the function's arguments */ + +static void ffi_prep_args(char *stack, + extended_cif *ecif, + int bytes, + int flags) +{ + int i; + void **p_argv; + char *argp; + ffi_type **p_arg; + +#if _MIPS_SIM == _ABIN32 + /* If more than 8 double words are used, the remainder go + on the stack. We reorder stuff on the stack here to + support this easily. */ + if (bytes > 8 * sizeof(ffi_arg)) + argp = &stack[bytes - (8 * sizeof(ffi_arg))]; + else + argp = stack; +#else + argp = stack; +#endif + + memset(stack, 0, bytes); + +#if _MIPS_SIM == _ABIN32 + if ( ecif->cif->rstruct_flag != 0 ) +#else + if ( ecif->cif->rtype->type == FFI_TYPE_STRUCT ) +#endif + { + *(ffi_arg *) argp = (ffi_arg) ecif->rvalue; + argp += sizeof(ffi_arg); + FIX_ARGP; + } + + p_argv = ecif->avalue; + + for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; i; i--, p_arg++) + { + size_t z; + unsigned int a; + + /* Align if necessary. */ + a = (*p_arg)->alignment; + if (a < sizeof(ffi_arg)) + a = sizeof(ffi_arg); + + if ((a - 1) & (unsigned int) argp) + { + argp = (char *) ALIGN(argp, a); + FIX_ARGP; + } + + z = (*p_arg)->size; + if (z <= sizeof(ffi_arg)) + { + z = sizeof(ffi_arg); + + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(ffi_arg *)argp = *(SINT8 *)(* p_argv); + break; + + case FFI_TYPE_UINT8: + *(ffi_arg *)argp = *(UINT8 *)(* p_argv); + break; + + case FFI_TYPE_SINT16: + *(ffi_arg *)argp = *(SINT16 *)(* p_argv); + break; + + case FFI_TYPE_UINT16: + *(ffi_arg *)argp = *(UINT16 *)(* p_argv); + break; + + case FFI_TYPE_SINT32: + *(ffi_arg *)argp = *(SINT32 *)(* p_argv); + break; + + case FFI_TYPE_UINT32: + case FFI_TYPE_POINTER: + *(ffi_arg *)argp = *(UINT32 *)(* p_argv); + break; + + /* This can only happen with 64bit slots. */ + case FFI_TYPE_FLOAT: + *(float *) argp = *(float *)(* p_argv); + break; + + /* Handle small structures. */ + case FFI_TYPE_STRUCT: + default: + memcpy(argp, *p_argv, (*p_arg)->size); + break; + } + } + else + { +#if _MIPS_SIM == _ABIO32 + memcpy(argp, *p_argv, z); +#else + { + unsigned end = (unsigned) argp+z; + unsigned cap = (unsigned) stack+bytes; + + /* Check if the data will fit within the register space. + Handle it if it doesn't. */ + + if (end <= cap) + memcpy(argp, *p_argv, z); + else + { + unsigned portion = end - cap; + + memcpy(argp, *p_argv, portion); + argp = stack; + memcpy(argp, + (void*)((unsigned)(*p_argv)+portion), z - portion); + } + } +#endif + } + p_argv++; + argp += z; + FIX_ARGP; + } +} + +#if _MIPS_SIM == _ABIN32 + +/* The n32 spec says that if "a chunk consists solely of a double + float field (but not a double, which is part of a union), it + is passed in a floating point register. Any other chunk is + passed in an integer register". This code traverses structure + definitions and generates the appropriate flags. */ + +unsigned calc_n32_struct_flags(ffi_type *arg, unsigned *shift) +{ + unsigned flags = 0; + unsigned index = 0; + + ffi_type *e; + + while (e = arg->elements[index]) + { + if (e->type == FFI_TYPE_DOUBLE) + { + flags += (FFI_TYPE_DOUBLE << *shift); + *shift += FFI_FLAG_BITS; + } + else if (e->type == FFI_TYPE_STRUCT) + flags += calc_n32_struct_flags(e, shift); + else + *shift += FFI_FLAG_BITS; + + index++; + } + + return flags; +} + +unsigned calc_n32_return_struct_flags(ffi_type *arg) +{ + unsigned flags = 0; + unsigned index = 0; + unsigned small = FFI_TYPE_SMALLSTRUCT; + ffi_type *e; + + /* Returning structures under n32 is a tricky thing. + A struct with only one or two floating point fields + is returned in $f0 (and $f2 if necessary). Any other + struct results at most 128 bits are returned in $2 + (the first 64 bits) and $3 (remainder, if necessary). + Larger structs are handled normally. */ + + if (arg->size > 16) + return 0; + + if (arg->size > 8) + small = FFI_TYPE_SMALLSTRUCT2; + + e = arg->elements[0]; + if (e->type == FFI_TYPE_DOUBLE) + flags = FFI_TYPE_DOUBLE << FFI_FLAG_BITS; + else if (e->type == FFI_TYPE_FLOAT) + flags = FFI_TYPE_FLOAT << FFI_FLAG_BITS; + + if (flags && (e = arg->elements[1])) + { + if (e->type == FFI_TYPE_DOUBLE) + flags += FFI_TYPE_DOUBLE; + else if (e->type == FFI_TYPE_FLOAT) + flags += FFI_TYPE_FLOAT; + else + return small; + + if (flags && (arg->elements[2])) + { + /* There are three arguments and the first two are + floats! This must be passed the old way. */ + return small; + } + } + else + if (!flags) + return small; + + return flags; +} + +#endif + +/* Perform machine dependent cif processing */ +ffi_status ffi_prep_cif_machdep(ffi_cif *cif) +{ + cif->flags = 0; + +#if _MIPS_SIM == _ABIO32 + /* Set the flags necessary for O32 processing. FFI_O32_SOFT_FLOAT + * does not have special handling for floating point args. + */ + + if (cif->rtype->type != FFI_TYPE_STRUCT && cif->abi == FFI_O32) + { + if (cif->nargs > 0) + { + switch ((cif->arg_types)[0]->type) + { + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + cif->flags += (cif->arg_types)[0]->type; + break; + + default: + break; + } + + if (cif->nargs > 1) + { + /* Only handle the second argument if the first + is a float or double. */ + if (cif->flags) + { + switch ((cif->arg_types)[1]->type) + { + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + cif->flags += (cif->arg_types)[1]->type << FFI_FLAG_BITS; + break; + + default: + break; + } + } + } + } + } + + /* Set the return type flag */ + + if (cif->abi == FFI_O32_SOFT_FLOAT) + { + switch (cif->rtype->type) + { + case FFI_TYPE_VOID: + case FFI_TYPE_STRUCT: + cif->flags += cif->rtype->type << (FFI_FLAG_BITS * 2); + break; + + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + case FFI_TYPE_DOUBLE: + cif->flags += FFI_TYPE_UINT64 << (FFI_FLAG_BITS * 2); + break; + + case FFI_TYPE_FLOAT: + default: + cif->flags += FFI_TYPE_INT << (FFI_FLAG_BITS * 2); + break; + } + } + else + { + /* FFI_O32 */ + switch (cif->rtype->type) + { + case FFI_TYPE_VOID: + case FFI_TYPE_STRUCT: + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + cif->flags += cif->rtype->type << (FFI_FLAG_BITS * 2); + break; + + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + cif->flags += FFI_TYPE_UINT64 << (FFI_FLAG_BITS * 2); + break; + + default: + cif->flags += FFI_TYPE_INT << (FFI_FLAG_BITS * 2); + break; + } + } +#endif + +#if _MIPS_SIM == _ABIN32 + /* Set the flags necessary for N32 processing */ + { + unsigned shift = 0; + unsigned count = (cif->nargs < 8) ? cif->nargs : 8; + unsigned index = 0; + + unsigned struct_flags = 0; + + if (cif->rtype->type == FFI_TYPE_STRUCT) + { + struct_flags = calc_n32_return_struct_flags(cif->rtype); + + if (struct_flags == 0) + { + /* This means that the structure is being passed as + a hidden argument */ + + shift = FFI_FLAG_BITS; + count = (cif->nargs < 7) ? cif->nargs : 7; + + cif->rstruct_flag = !0; + } + else + cif->rstruct_flag = 0; + } + else + cif->rstruct_flag = 0; + + while (count-- > 0) + { + switch ((cif->arg_types)[index]->type) + { + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + cif->flags += ((cif->arg_types)[index]->type << shift); + shift += FFI_FLAG_BITS; + break; + + case FFI_TYPE_STRUCT: + cif->flags += calc_n32_struct_flags((cif->arg_types)[index], + &shift); + break; + + default: + shift += FFI_FLAG_BITS; + } + + index++; + } + + /* Set the return type flag */ + switch (cif->rtype->type) + { + case FFI_TYPE_STRUCT: + { + if (struct_flags == 0) + { + /* The structure is returned through a hidden + first argument. Do nothing, 'cause FFI_TYPE_VOID + is 0 */ + } + else + { + /* The structure is returned via some tricky + mechanism */ + cif->flags += FFI_TYPE_STRUCT << (FFI_FLAG_BITS * 8); + cif->flags += struct_flags << (4 + (FFI_FLAG_BITS * 8)); + } + break; + } + + case FFI_TYPE_VOID: + /* Do nothing, 'cause FFI_TYPE_VOID is 0 */ + break; + + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + cif->flags += cif->rtype->type << (FFI_FLAG_BITS * 8); + break; + + default: + cif->flags += FFI_TYPE_INT << (FFI_FLAG_BITS * 8); + break; + } + } +#endif + + return FFI_OK; +} + +/* Low level routine for calling O32 functions */ +extern int ffi_call_O32(void (*)(char *, extended_cif *, int, int), + extended_cif *, unsigned, + unsigned, unsigned *, void (*)()); + +/* Low level routine for calling N32 functions */ +extern int ffi_call_N32(void (*)(char *, extended_cif *, int, int), + extended_cif *, unsigned, + unsigned, unsigned *, void (*)()); + +void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + extended_cif ecif; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return */ + /* value address then we need to make one */ + + if ((rvalue == NULL) && + (cif->rtype->type == FFI_TYPE_STRUCT)) + ecif.rvalue = alloca(cif->rtype->size); + else + ecif.rvalue = rvalue; + + switch (cif->abi) + { +#if _MIPS_SIM == _ABIO32 + case FFI_O32: + case FFI_O32_SOFT_FLOAT: + ffi_call_O32(ffi_prep_args, &ecif, cif->bytes, + cif->flags, ecif.rvalue, fn); + break; +#endif + +#if _MIPS_SIM == _ABIN32 + case FFI_N32: + ffi_call_N32(ffi_prep_args, &ecif, cif->bytes, + cif->flags, ecif.rvalue, fn); + break; +#endif + + default: + FFI_ASSERT(0); + break; + } +} + +#if FFI_CLOSURES /* N32 not implemented yet, FFI_CLOSURES not defined */ +#if defined(FFI_MIPS_O32) +extern void ffi_closure_O32(void); +#endif /* FFI_MIPS_O32 */ + +ffi_status +ffi_prep_closure (ffi_closure *closure, + ffi_cif *cif, + void (*fun)(ffi_cif*,void*,void**,void*), + void *user_data) +{ + unsigned int *tramp = (unsigned int *) &closure->tramp[0]; + unsigned int fn; + unsigned int ctx = (unsigned int) closure; + +#if defined(FFI_MIPS_O32) + FFI_ASSERT(cif->abi == FFI_O32 || cif->abi == FFI_O32_SOFT_FLOAT); + fn = (unsigned int) ffi_closure_O32; +#else /* FFI_MIPS_N32 */ + FFI_ASSERT(cif->abi == FFI_N32); + FFI_ASSERT(!"not implemented"); +#endif /* FFI_MIPS_O32 */ + + tramp[0] = 0x3c190000 | (fn >> 16); /* lui $25,high(fn) */ + tramp[1] = 0x37390000 | (fn & 0xffff); /* ori $25,low(fn) */ + tramp[2] = 0x3c080000 | (ctx >> 16); /* lui $8,high(ctx) */ + tramp[3] = 0x03200008; /* jr $25 */ + tramp[4] = 0x35080000 | (ctx & 0xffff); /* ori $8,low(ctx) */ + + closure->cif = cif; + closure->fun = fun; + closure->user_data = user_data; + + /* XXX this is available on Linux, but anything else? */ + cacheflush (tramp, FFI_TRAMPOLINE_SIZE, ICACHE); + + return FFI_OK; +} + +/* + * Decodes the arguments to a function, which will be stored on the + * stack. AR is the pointer to the beginning of the integer arguments + * (and, depending upon the arguments, some floating-point arguments + * as well). FPR is a pointer to the area where floating point + * registers have been saved, if any. + * + * RVALUE is the location where the function return value will be + * stored. CLOSURE is the prepared closure to invoke. + * + * This function should only be called from assembly, which is in + * turn called from a trampoline. + * + * Returns the function return type. + * + * Based on the similar routine for sparc. + */ +int +ffi_closure_mips_inner_O32 (ffi_closure *closure, + void *rvalue, ffi_arg *ar, + double *fpr) +{ + ffi_cif *cif; + void **avaluep; + ffi_arg *avalue; + ffi_type **arg_types; + int i, avn, argn, seen_int; + + cif = closure->cif; + avalue = alloca (cif->nargs * sizeof (ffi_arg)); + avaluep = alloca (cif->nargs * sizeof (ffi_arg)); + + seen_int = (cif->abi == FFI_O32_SOFT_FLOAT); + argn = 0; + + if ((cif->flags >> (FFI_FLAG_BITS * 2)) == FFI_TYPE_STRUCT) + { + rvalue = (void *) ar[0]; + argn = 1; + } + + i = 0; + avn = cif->nargs; + arg_types = cif->arg_types; + + while (i < avn) + { + if (i < 2 && !seen_int && + (arg_types[i]->type == FFI_TYPE_FLOAT || + arg_types[i]->type == FFI_TYPE_DOUBLE)) + { +#ifdef __MIPSEB__ + if (arg_types[i]->type == FFI_TYPE_FLOAT) + avaluep[i] = ((char *) &fpr[i]) + sizeof (float); + else +#endif + avaluep[i] = (char *) &fpr[i]; + } + else + { + if (arg_types[i]->alignment == 8 && (argn & 0x1)) + argn++; + switch (arg_types[i]->type) + { + case FFI_TYPE_SINT8: + avaluep[i] = &avalue[i]; + *(SINT8 *) &avalue[i] = (SINT8) ar[argn]; + break; + + case FFI_TYPE_UINT8: + avaluep[i] = &avalue[i]; + *(UINT8 *) &avalue[i] = (UINT8) ar[argn]; + break; + + case FFI_TYPE_SINT16: + avaluep[i] = &avalue[i]; + *(SINT16 *) &avalue[i] = (SINT16) ar[argn]; + break; + + case FFI_TYPE_UINT16: + avaluep[i] = &avalue[i]; + *(UINT16 *) &avalue[i] = (UINT16) ar[argn]; + break; + + default: + avaluep[i] = (char *) &ar[argn]; + break; + } + seen_int = 1; + } + argn += ALIGN(arg_types[i]->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; + i++; + } + + /* Invoke the closure. */ + (closure->fun) (cif, rvalue, avaluep, closure->user_data); + + if (cif->abi == FFI_O32_SOFT_FLOAT) + { + switch (cif->rtype->type) + { + case FFI_TYPE_FLOAT: + return FFI_TYPE_INT; + case FFI_TYPE_DOUBLE: + return FFI_TYPE_UINT64; + default: + return cif->rtype->type; + } + } + else + { + return cif->rtype->type; + } +} + +#endif /* FFI_CLOSURES */ diff --git a/gcc-4.2.1/libffi/src/mips/ffitarget.h b/gcc-4.2.1/libffi/src/mips/ffitarget.h new file mode 100644 index 000000000..e61074569 --- /dev/null +++ b/gcc-4.2.1/libffi/src/mips/ffitarget.h @@ -0,0 +1,167 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for MIPS. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +#if !defined(_MIPS_SIM) +-- something is very wrong -- +#else +# if (_MIPS_SIM==_ABIN32 && defined(_ABIN32)) || (_MIPS_SIM==_ABI64 && defined(_ABI64)) +# define FFI_MIPS_N32 +# else +# if (_MIPS_SIM==_ABIO32 && defined(_ABIO32)) +# define FFI_MIPS_O32 +# else +-- this is an unsupported platform -- +# endif +# endif +#endif + +#ifdef FFI_MIPS_O32 +/* O32 stack frames have 32bit integer args */ +#define FFI_SIZEOF_ARG 4 +#else +/* N32 and N64 frames have 64bit integer args */ +#define FFI_SIZEOF_ARG 8 +#endif + +#define FFI_FLAG_BITS 2 + +/* SGI's strange assembler requires that we multiply by 4 rather + than shift left by FFI_FLAG_BITS */ + +#define FFI_ARGS_D FFI_TYPE_DOUBLE +#define FFI_ARGS_F FFI_TYPE_FLOAT +#define FFI_ARGS_DD FFI_TYPE_DOUBLE * 4 + FFI_TYPE_DOUBLE +#define FFI_ARGS_FF FFI_TYPE_FLOAT * 4 + FFI_TYPE_FLOAT +#define FFI_ARGS_FD FFI_TYPE_DOUBLE * 4 + FFI_TYPE_FLOAT +#define FFI_ARGS_DF FFI_TYPE_FLOAT * 4 + FFI_TYPE_DOUBLE + +/* Needed for N32 structure returns */ +#define FFI_TYPE_SMALLSTRUCT FFI_TYPE_UINT8 +#define FFI_TYPE_SMALLSTRUCT2 FFI_TYPE_SINT8 + +#if 0 +/* The SGI assembler can't handle this.. */ +#define FFI_TYPE_STRUCT_DD (( FFI_ARGS_DD ) << 4) + FFI_TYPE_STRUCT +/* (and so on) */ +#else +/* ...so we calculate these by hand! */ +#define FFI_TYPE_STRUCT_D 61 +#define FFI_TYPE_STRUCT_F 45 +#define FFI_TYPE_STRUCT_DD 253 +#define FFI_TYPE_STRUCT_FF 173 +#define FFI_TYPE_STRUCT_FD 237 +#define FFI_TYPE_STRUCT_DF 189 +#define FFI_TYPE_STRUCT_SMALL 93 +#define FFI_TYPE_STRUCT_SMALL2 109 +#endif + +#ifdef LIBFFI_ASM +#define v0 $2 +#define v1 $3 +#define a0 $4 +#define a1 $5 +#define a2 $6 +#define a3 $7 +#define a4 $8 +#define a5 $9 +#define a6 $10 +#define a7 $11 +#define t0 $8 +#define t1 $9 +#define t2 $10 +#define t3 $11 +#define t4 $12 +#define t5 $13 +#define t6 $14 +#define t7 $15 +#define t8 $24 +#define t9 $25 +#define ra $31 + +#ifdef FFI_MIPS_O32 +#define REG_L lw +#define REG_S sw +#define SUBU subu +#define ADDU addu +#define SRL srl +#define LI li +#else /* !FFI_MIPS_O32 */ +#define REG_L ld +#define REG_S sd +#define SUBU dsubu +#define ADDU daddu +#define SRL dsrl +#define LI dli +#endif /* !FFI_MIPS_O32 */ +#else /* !LIBFFI_ASM */ +#ifdef FFI_MIPS_O32 +/* O32 stack frames have 32bit integer args */ +typedef unsigned int ffi_arg __attribute__((__mode__(__SI__))); +typedef signed int ffi_sarg __attribute__((__mode__(__SI__))); +#else +/* N32 and N64 frames have 64bit integer args */ +typedef unsigned int ffi_arg __attribute__((__mode__(__DI__))); +typedef signed int ffi_sarg __attribute__((__mode__(__DI__))); +#endif + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + FFI_O32, + FFI_N32, + FFI_N64, + FFI_O32_SOFT_FLOAT, + +#ifdef FFI_MIPS_O32 +#ifdef __mips_soft_float + FFI_DEFAULT_ABI = FFI_O32_SOFT_FLOAT, +#else + FFI_DEFAULT_ABI = FFI_O32, +#endif +#else + FFI_DEFAULT_ABI = FFI_N32, +#endif + + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; + +#define FFI_EXTRA_CIF_FIELDS unsigned rstruct_flag +#endif /* !LIBFFI_ASM */ + +/* ---- Definitions for closures ----------------------------------------- */ + +#if defined(FFI_MIPS_O32) +#define FFI_CLOSURES 1 +#define FFI_TRAMPOLINE_SIZE 20 +#else +/* N32/N64 not implemented yet. */ +#define FFI_CLOSURES 0 +#endif /* FFI_MIPS_O32 */ +#define FFI_NATIVE_RAW_API 0 + +#endif + diff --git a/gcc-4.2.1/libffi/src/mips/n32.S b/gcc-4.2.1/libffi/src/mips/n32.S new file mode 100644 index 000000000..358cfd7e4 --- /dev/null +++ b/gcc-4.2.1/libffi/src/mips/n32.S @@ -0,0 +1,320 @@ +/* ----------------------------------------------------------------------- + n32.S - Copyright (c) 1996, 1998, 2005 Red Hat, Inc. + + MIPS Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +/* Only build this code if we are compiling for n32 */ + +#if defined(FFI_MIPS_N32) + +#define callback a0 +#define bytes a2 +#define flags a3 +#define raddr a4 +#define fn a5 + +#define SIZEOF_FRAME ( 8 * FFI_SIZEOF_ARG ) + + .abicalls + .text + .align 2 + .globl ffi_call_N32 + .ent ffi_call_N32 +ffi_call_N32: + + # Prologue + SUBU $sp, SIZEOF_FRAME # Frame size + REG_S $fp, SIZEOF_FRAME - 2*FFI_SIZEOF_ARG($sp) # Save frame pointer + REG_S ra, SIZEOF_FRAME - 1*FFI_SIZEOF_ARG($sp) # Save return address + move $fp, $sp + + move t9, callback # callback function pointer + REG_S bytes, 2*FFI_SIZEOF_ARG($fp) # bytes + REG_S flags, 3*FFI_SIZEOF_ARG($fp) # flags + REG_S raddr, 4*FFI_SIZEOF_ARG($fp) # raddr + REG_S fn, 5*FFI_SIZEOF_ARG($fp) # fn + + # Allocate at least 4 words in the argstack + move v0, bytes + bge bytes, 4 * FFI_SIZEOF_ARG, bigger + LI v0, 4 * FFI_SIZEOF_ARG + b sixteen + + bigger: + ADDU t4, v0, 2 * FFI_SIZEOF_ARG -1 # make sure it is aligned + and v0, t4, -2 * FFI_SIZEOF_ARG # to a proper boundry. + +sixteen: + SUBU $sp, $sp, v0 # move the stack pointer to reflect the + # arg space + + ADDU a0, $sp, 0 # 4 * FFI_SIZEOF_ARG + ADDU a3, $fp, 3 * FFI_SIZEOF_ARG + + # Call ffi_prep_args + jal t9 + + # ADDU $sp, $sp, 4 * FFI_SIZEOF_ARG # adjust $sp to new args + + # Copy the stack pointer to t9 + move t9, $sp + + # Fix the stack if there are more than 8 64bit slots worth + # of arguments. + + # Load the number of bytes + REG_L t6, 2*FFI_SIZEOF_ARG($fp) + + # Is it bigger than 8 * FFI_SIZEOF_ARG? + dadd t7, $0, 8 * FFI_SIZEOF_ARG + dsub t8, t6, t7 + bltz t8, loadregs + + add t9, t9, t8 + +loadregs: + + REG_L t4, 3*FFI_SIZEOF_ARG($fp) # load the flags word + add t6, t4, 0 # and copy it into t6 + + and t4, ((1<<FFI_FLAG_BITS)-1) + bnez t4, arg1_floatp + REG_L a0, 0*FFI_SIZEOF_ARG(t9) + b arg1_next +arg1_floatp: + bne t4, FFI_TYPE_FLOAT, arg1_doublep + l.s $f12, 0*FFI_SIZEOF_ARG(t9) + b arg1_next +arg1_doublep: + l.d $f12, 0*FFI_SIZEOF_ARG(t9) +arg1_next: + + add t4, t6, 0 + SRL t4, 1*FFI_FLAG_BITS + and t4, ((1<<FFI_FLAG_BITS)-1) + bnez t4, arg2_floatp + REG_L a1, 1*FFI_SIZEOF_ARG(t9) + b arg2_next +arg2_floatp: + bne t4, FFI_TYPE_FLOAT, arg2_doublep + l.s $f13, 1*FFI_SIZEOF_ARG(t9) + b arg2_next +arg2_doublep: + l.d $f13, 1*FFI_SIZEOF_ARG(t9) +arg2_next: + + add t4, t6, 0 + SRL t4, 2*FFI_FLAG_BITS + and t4, ((1<<FFI_FLAG_BITS)-1) + bnez t4, arg3_floatp + REG_L a2, 2*FFI_SIZEOF_ARG(t9) + b arg3_next +arg3_floatp: + bne t4, FFI_TYPE_FLOAT, arg3_doublep + l.s $f14, 2*FFI_SIZEOF_ARG(t9) + b arg3_next +arg3_doublep: + l.d $f14, 2*FFI_SIZEOF_ARG(t9) +arg3_next: + + add t4, t6, 0 + SRL t4, 3*FFI_FLAG_BITS + and t4, ((1<<FFI_FLAG_BITS)-1) + bnez t4, arg4_floatp + REG_L a3, 3*FFI_SIZEOF_ARG(t9) + b arg4_next +arg4_floatp: + bne t4, FFI_TYPE_FLOAT, arg4_doublep + l.s $f15, 3*FFI_SIZEOF_ARG(t9) + b arg4_next +arg4_doublep: + l.d $f15, 3*FFI_SIZEOF_ARG(t9) +arg4_next: + + add t4, t6, 0 + SRL t4, 4*FFI_FLAG_BITS + and t4, ((1<<FFI_FLAG_BITS)-1) + bnez t4, arg5_floatp + REG_L a4, 4*FFI_SIZEOF_ARG(t9) + b arg5_next +arg5_floatp: + bne t4, FFI_TYPE_FLOAT, arg5_doublep + l.s $f16, 4*FFI_SIZEOF_ARG(t9) + b arg5_next +arg5_doublep: + l.d $f16, 4*FFI_SIZEOF_ARG(t9) +arg5_next: + + add t4, t6, 0 + SRL t4, 5*FFI_FLAG_BITS + and t4, ((1<<FFI_FLAG_BITS)-1) + bnez t4, arg6_floatp + REG_L a5, 5*FFI_SIZEOF_ARG(t9) + b arg6_next +arg6_floatp: + bne t4, FFI_TYPE_FLOAT, arg6_doublep + l.s $f17, 5*FFI_SIZEOF_ARG(t9) + b arg6_next +arg6_doublep: + l.d $f17, 5*FFI_SIZEOF_ARG(t9) +arg6_next: + + add t4, t6, 0 + SRL t4, 6*FFI_FLAG_BITS + and t4, ((1<<FFI_FLAG_BITS)-1) + bnez t4, arg7_floatp + REG_L a6, 6*FFI_SIZEOF_ARG(t9) + b arg7_next +arg7_floatp: + bne t4, FFI_TYPE_FLOAT, arg7_doublep + l.s $f18, 6*FFI_SIZEOF_ARG(t9) + b arg7_next +arg7_doublep: + l.d $f18, 6*FFI_SIZEOF_ARG(t9) +arg7_next: + + add t4, t6, 0 + SRL t4, 7*FFI_FLAG_BITS + and t4, ((1<<FFI_FLAG_BITS)-1) + bnez t4, arg8_floatp + REG_L a7, 7*FFI_SIZEOF_ARG(t9) + b arg8_next +arg8_floatp: + bne t4, FFI_TYPE_FLOAT, arg8_doublep + l.s $f19, 7*FFI_SIZEOF_ARG(t9) + b arg8_next +arg8_doublep: + l.d $f19, 7*FFI_SIZEOF_ARG(t9) +arg8_next: + +callit: + # Load the function pointer + REG_L t9, 5*FFI_SIZEOF_ARG($fp) + + # If the return value pointer is NULL, assume no return value. + REG_L t5, 4*FFI_SIZEOF_ARG($fp) + beqz t5, noretval + + # Shift the return type flag over + SRL t6, 8*FFI_FLAG_BITS + + bne t6, FFI_TYPE_INT, retfloat + jal t9 + REG_L t4, 4*FFI_SIZEOF_ARG($fp) + REG_S v0, 0(t4) + b epilogue + +retfloat: + bne t6, FFI_TYPE_FLOAT, retdouble + jal t9 + REG_L t4, 4*FFI_SIZEOF_ARG($fp) + s.s $f0, 0(t4) + b epilogue + +retdouble: + bne t6, FFI_TYPE_DOUBLE, retstruct_d + jal t9 + REG_L t4, 4*FFI_SIZEOF_ARG($fp) + s.d $f0, 0(t4) + b epilogue + +retstruct_d: + bne t6, FFI_TYPE_STRUCT_D, retstruct_f + jal t9 + REG_L t4, 4*FFI_SIZEOF_ARG($fp) + s.d $f0, 0(t4) + b epilogue + +retstruct_f: + bne t6, FFI_TYPE_STRUCT_F, retstruct_d_d + jal t9 + REG_L t4, 4*FFI_SIZEOF_ARG($fp) + s.s $f0, 0(t4) + b epilogue + +retstruct_d_d: + bne t6, FFI_TYPE_STRUCT_DD, retstruct_f_f + jal t9 + REG_L t4, 4*FFI_SIZEOF_ARG($fp) + s.d $f0, 0(t4) + s.d $f2, 8(t4) + b epilogue + +retstruct_f_f: + bne t6, FFI_TYPE_STRUCT_FF, retstruct_d_f + jal t9 + REG_L t4, 4*FFI_SIZEOF_ARG($fp) + s.s $f0, 0(t4) + s.s $f2, 4(t4) + b epilogue + +retstruct_d_f: + bne t6, FFI_TYPE_STRUCT_DF, retstruct_f_d + jal t9 + REG_L t4, 4*FFI_SIZEOF_ARG($fp) + s.d $f0, 0(t4) + s.s $f2, 8(t4) + b epilogue + +retstruct_f_d: + bne t6, FFI_TYPE_STRUCT_FD, retstruct_small + jal t9 + REG_L t4, 4*FFI_SIZEOF_ARG($fp) + s.s $f0, 0(t4) + s.d $f2, 8(t4) + b epilogue + +retstruct_small: + bne t6, FFI_TYPE_STRUCT_SMALL, retstruct_small2 + jal t9 + REG_L t4, 4*FFI_SIZEOF_ARG($fp) + REG_S v0, 0(t4) + b epilogue + +retstruct_small2: + bne t6, FFI_TYPE_STRUCT_SMALL2, retstruct + jal t9 + REG_L t4, 4*FFI_SIZEOF_ARG($fp) + REG_S v0, 0(t4) + REG_S v1, 8(t4) + b epilogue + +retstruct: +noretval: + jal t9 + + # Epilogue +epilogue: + move $sp, $fp + REG_L $fp, SIZEOF_FRAME - 2*FFI_SIZEOF_ARG($sp) # Restore frame pointer + REG_L ra, SIZEOF_FRAME - 1*FFI_SIZEOF_ARG($sp) # Restore return address + ADDU $sp, SIZEOF_FRAME # Fix stack pointer + j ra + + .end ffi_call_N32 + +#endif diff --git a/gcc-4.2.1/libffi/src/mips/o32.S b/gcc-4.2.1/libffi/src/mips/o32.S new file mode 100644 index 000000000..63f3d1463 --- /dev/null +++ b/gcc-4.2.1/libffi/src/mips/o32.S @@ -0,0 +1,377 @@ +/* ----------------------------------------------------------------------- + o32.S - Copyright (c) 1996, 1998, 2005 Red Hat, Inc. + + MIPS Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +/* Only build this code if we are compiling for o32 */ + +#if defined(FFI_MIPS_O32) + +#define callback a0 +#define bytes a2 +#define flags a3 + +#define SIZEOF_FRAME (4 * FFI_SIZEOF_ARG + 2 * FFI_SIZEOF_ARG) +#define A3_OFF (SIZEOF_FRAME + 3 * FFI_SIZEOF_ARG) +#define FP_OFF (SIZEOF_FRAME - 2 * FFI_SIZEOF_ARG) +#define RA_OFF (SIZEOF_FRAME - 1 * FFI_SIZEOF_ARG) + + .abicalls + .text + .align 2 + .globl ffi_call_O32 + .ent ffi_call_O32 +ffi_call_O32: +$LFB0: + # Prologue + SUBU $sp, SIZEOF_FRAME # Frame size +$LCFI0: + REG_S $fp, FP_OFF($sp) # Save frame pointer +$LCFI1: + REG_S ra, RA_OFF($sp) # Save return address +$LCFI2: + move $fp, $sp + +$LCFI3: + move t9, callback # callback function pointer + REG_S flags, A3_OFF($fp) # flags + + # Allocate at least 4 words in the argstack + LI v0, 4 * FFI_SIZEOF_ARG + blt bytes, v0, sixteen + + ADDU v0, bytes, 7 # make sure it is aligned + and v0, -8 # to an 8 byte boundry + +sixteen: + SUBU $sp, v0 # move the stack pointer to reflect the + # arg space + + ADDU a0, $sp, 4 * FFI_SIZEOF_ARG + + jalr t9 + + REG_L t0, A3_OFF($fp) # load the flags word + SRL t2, t0, 4 # shift our arg info + and t0, ((1<<4)-1) # mask out the return type + + ADDU $sp, 4 * FFI_SIZEOF_ARG # adjust $sp to new args + + bnez t0, pass_d # make it quick for int + REG_L a0, 0*FFI_SIZEOF_ARG($sp) # just go ahead and load the + REG_L a1, 1*FFI_SIZEOF_ARG($sp) # four regs. + REG_L a2, 2*FFI_SIZEOF_ARG($sp) + REG_L a3, 3*FFI_SIZEOF_ARG($sp) + b call_it + +pass_d: + bne t0, FFI_ARGS_D, pass_f + l.d $f12, 0*FFI_SIZEOF_ARG($sp) # load $fp regs from args + REG_L a2, 2*FFI_SIZEOF_ARG($sp) # passing a double + REG_L a3, 3*FFI_SIZEOF_ARG($sp) + b call_it + +pass_f: + bne t0, FFI_ARGS_F, pass_d_d + l.s $f12, 0*FFI_SIZEOF_ARG($sp) # load $fp regs from args + REG_L a1, 1*FFI_SIZEOF_ARG($sp) # passing a float + REG_L a2, 2*FFI_SIZEOF_ARG($sp) + REG_L a3, 3*FFI_SIZEOF_ARG($sp) + b call_it + +pass_d_d: + bne t0, FFI_ARGS_DD, pass_f_f + l.d $f12, 0*FFI_SIZEOF_ARG($sp) # load $fp regs from args + l.d $f14, 2*FFI_SIZEOF_ARG($sp) # passing two doubles + b call_it + +pass_f_f: + bne t0, FFI_ARGS_FF, pass_d_f + l.s $f12, 0*FFI_SIZEOF_ARG($sp) # load $fp regs from args + l.s $f14, 1*FFI_SIZEOF_ARG($sp) # passing two floats + REG_L a2, 2*FFI_SIZEOF_ARG($sp) + REG_L a3, 3*FFI_SIZEOF_ARG($sp) + b call_it + +pass_d_f: + bne t0, FFI_ARGS_DF, pass_f_d + l.d $f12, 0*FFI_SIZEOF_ARG($sp) # load $fp regs from args + l.s $f14, 2*FFI_SIZEOF_ARG($sp) # passing double and float + REG_L a3, 3*FFI_SIZEOF_ARG($sp) + b call_it + +pass_f_d: + # assume that the only other combination must be float then double + # bne t0, FFI_ARGS_F_D, call_it + l.s $f12, 0*FFI_SIZEOF_ARG($sp) # load $fp regs from args + l.d $f14, 2*FFI_SIZEOF_ARG($sp) # passing double and float + +call_it: + # Load the function pointer + REG_L t9, SIZEOF_FRAME + 5*FFI_SIZEOF_ARG($fp) + + # If the return value pointer is NULL, assume no return value. + REG_L t1, SIZEOF_FRAME + 4*FFI_SIZEOF_ARG($fp) + beqz t1, noretval + + bne t2, FFI_TYPE_INT, retlonglong + jalr t9 + REG_L t0, SIZEOF_FRAME + 4*FFI_SIZEOF_ARG($fp) + REG_S v0, 0(t0) + b epilogue + +retlonglong: + # Really any 64-bit int, signed or not. + bne t2, FFI_TYPE_UINT64, retfloat + jalr t9 + REG_L t0, SIZEOF_FRAME + 4*FFI_SIZEOF_ARG($fp) + REG_S v1, 4(t0) + REG_S v0, 0(t0) + b epilogue + +retfloat: + bne t2, FFI_TYPE_FLOAT, retdouble + jalr t9 + REG_L t0, SIZEOF_FRAME + 4*FFI_SIZEOF_ARG($fp) + s.s $f0, 0(t0) + b epilogue + +retdouble: + bne t2, FFI_TYPE_DOUBLE, noretval + jalr t9 + REG_L t0, SIZEOF_FRAME + 4*FFI_SIZEOF_ARG($fp) + s.d $f0, 0(t0) + b epilogue + +noretval: + jalr t9 + + # Epilogue +epilogue: + move $sp, $fp + REG_L $fp, FP_OFF($sp) # Restore frame pointer + REG_L ra, RA_OFF($sp) # Restore return address + ADDU $sp, SIZEOF_FRAME # Fix stack pointer + j ra + +$LFE0: + .end ffi_call_O32 + + +/* ffi_closure_O32. Expects address of the passed-in ffi_closure + in t0. Stores any arguments passed in registers onto the + stack, then calls ffi_closure_mips_inner_O32, which + then decodes them. + + Stack layout: + + 14 - Start of parameters, original sp + 13 - ra save + 12 - fp save + 11 - $16 (s0) save + 10 - cprestore + 9 - return value high (v1) + 8 - return value low (v0) + 7 - f14 (le high, be low) + 6 - f14 (le low, be high) + 5 - f12 (le high, be low) + 4 - f12 (le low, be high) + 3 - Called function a3 save + 2 - Called function a2 save + 1 - Called function a1 save + 0 - Called function a0 save our sp, fp point here + */ + +#define SIZEOF_FRAME2 (14 * FFI_SIZEOF_ARG) +#define A3_OFF2 (SIZEOF_FRAME2 + 3 * FFI_SIZEOF_ARG) +#define A2_OFF2 (SIZEOF_FRAME2 + 2 * FFI_SIZEOF_ARG) +#define A1_OFF2 (SIZEOF_FRAME2 + 1 * FFI_SIZEOF_ARG) +#define A0_OFF2 (SIZEOF_FRAME2 + 0 * FFI_SIZEOF_ARG) +#define RA_OFF2 (SIZEOF_FRAME2 - 1 * FFI_SIZEOF_ARG) +#define FP_OFF2 (SIZEOF_FRAME2 - 2 * FFI_SIZEOF_ARG) +#define S0_OFF2 (SIZEOF_FRAME2 - 3 * FFI_SIZEOF_ARG) +#define GP_OFF2 (SIZEOF_FRAME2 - 4 * FFI_SIZEOF_ARG) +#define V1_OFF2 (SIZEOF_FRAME2 - 5 * FFI_SIZEOF_ARG) +#define V0_OFF2 (SIZEOF_FRAME2 - 6 * FFI_SIZEOF_ARG) +#define FA_1_1_OFF2 (SIZEOF_FRAME2 - 7 * FFI_SIZEOF_ARG) +#define FA_1_0_OFF2 (SIZEOF_FRAME2 - 8 * FFI_SIZEOF_ARG) +#define FA_0_1_OFF2 (SIZEOF_FRAME2 - 9 * FFI_SIZEOF_ARG) +#define FA_0_0_OFF2 (SIZEOF_FRAME2 - 10 * FFI_SIZEOF_ARG) + + .text + .align 2 + .globl ffi_closure_O32 + .ent ffi_closure_O32 +ffi_closure_O32: +$LFB1: + # Prologue + .frame $fp, SIZEOF_FRAME2, ra + .set noreorder + .cpload t9 + .set reorder + SUBU $sp, SIZEOF_FRAME2 + .cprestore GP_OFF2 +$LCFI4: + REG_S $16, S0_OFF2($sp) # Save s0 + REG_S $fp, FP_OFF2($sp) # Save frame pointer + REG_S ra, RA_OFF2($sp) # Save return address +$LCFI6: + move $fp, $sp + +$LCFI7: + # Store all possible argument registers. If there are more than + # four arguments, then they are stored above where we put a3. + REG_S a0, A0_OFF2($fp) + REG_S a1, A1_OFF2($fp) + REG_S a2, A2_OFF2($fp) + REG_S a3, A3_OFF2($fp) + + # Load ABI enum to s0 + REG_L $16, 20($8) # cif pointer follows tramp. + REG_L $16, 0($16) # abi is first member. + + li $13, 1 # FFI_O32 + bne $16, $13, 1f # Skip fp save if FFI_O32_SOFT_FLOAT + + # Store all possible float/double registers. + s.d $f12, FA_0_0_OFF2($fp) + s.d $f14, FA_1_0_OFF2($fp) +1: + # Call ffi_closure_mips_inner_O32 to do the work. + la t9, ffi_closure_mips_inner_O32 + move a0, $8 # Pointer to the ffi_closure + addu a1, $fp, V0_OFF2 + addu a2, $fp, A0_OFF2 + addu a3, $fp, FA_0_0_OFF2 + jalr t9 + + # Load the return value into the appropriate register. + move $8, $2 + li $9, FFI_TYPE_VOID + beq $8, $9, closure_done + + li $13, 1 # FFI_O32 + bne $16, $13, 1f # Skip fp restore if FFI_O32_SOFT_FLOAT + + li $9, FFI_TYPE_FLOAT + l.s $f0, V0_OFF2($fp) + beq $8, $9, closure_done + + li $9, FFI_TYPE_DOUBLE + l.d $f0, V0_OFF2($fp) + beq $8, $9, closure_done +1: + REG_L $3, V1_OFF2($fp) + REG_L $2, V0_OFF2($fp) + +closure_done: + # Epilogue + move $sp, $fp + REG_L $16, S0_OFF2($sp) # Restore s0 + REG_L $fp, FP_OFF2($sp) # Restore frame pointer + REG_L ra, RA_OFF2($sp) # Restore return address + ADDU $sp, SIZEOF_FRAME2 + j ra +$LFE1: + .end ffi_closure_O32 + +/* DWARF-2 unwind info. */ + + .section .eh_frame,"a",@progbits +$Lframe0: + .4byte $LECIE0-$LSCIE0 # Length of Common Information Entry +$LSCIE0: + .4byte 0x0 # CIE Identifier Tag + .byte 0x1 # CIE Version + .ascii "zR\0" # CIE Augmentation + .uleb128 0x1 # CIE Code Alignment Factor + .sleb128 4 # CIE Data Alignment Factor + .byte 0x1f # CIE RA Column + .uleb128 0x1 # Augmentation size + .byte 0x00 # FDE Encoding (absptr) + .byte 0xc # DW_CFA_def_cfa + .uleb128 0x1d + .uleb128 0x0 + .align 2 +$LECIE0: +$LSFDE0: + .4byte $LEFDE0-$LASFDE0 # FDE Length +$LASFDE0: + .4byte $LASFDE0-$Lframe0 # FDE CIE offset + .4byte $LFB0 # FDE initial location + .4byte $LFE0-$LFB0 # FDE address range + .uleb128 0x0 # Augmentation size + .byte 0x4 # DW_CFA_advance_loc4 + .4byte $LCFI0-$LFB0 + .byte 0xe # DW_CFA_def_cfa_offset + .uleb128 0x18 + .byte 0x4 # DW_CFA_advance_loc4 + .4byte $LCFI2-$LCFI0 + .byte 0x11 # DW_CFA_offset_extended_sf + .uleb128 0x1e # $fp + .sleb128 -2 # SIZEOF_FRAME2 - 2*FFI_SIZEOF_ARG($sp) + .byte 0x11 # DW_CFA_offset_extended_sf + .uleb128 0x1f # $ra + .sleb128 -1 # SIZEOF_FRAME2 - 1*FFI_SIZEOF_ARG($sp) + .byte 0x4 # DW_CFA_advance_loc4 + .4byte $LCFI3-$LCFI2 + .byte 0xc # DW_CFA_def_cfa + .uleb128 0x1e + .uleb128 0x18 + .align 2 +$LEFDE0: +$LSFDE1: + .4byte $LEFDE1-$LASFDE1 # FDE Length +$LASFDE1: + .4byte $LASFDE1-$Lframe0 # FDE CIE offset + .4byte $LFB1 # FDE initial location + .4byte $LFE1-$LFB1 # FDE address range + .uleb128 0x0 # Augmentation size + .byte 0x4 # DW_CFA_advance_loc4 + .4byte $LCFI4-$LFB1 + .byte 0xe # DW_CFA_def_cfa_offset + .uleb128 0x38 + .byte 0x4 # DW_CFA_advance_loc4 + .4byte $LCFI6-$LCFI4 + .byte 0x11 # DW_CFA_offset_extended_sf + .uleb128 0x10 # $16 + .sleb128 -3 # SIZEOF_FRAME2 - 3*FFI_SIZEOF_ARG($sp) + .byte 0x11 # DW_CFA_offset_extended_sf + .uleb128 0x1e # $fp + .sleb128 -2 # SIZEOF_FRAME2 - 2*FFI_SIZEOF_ARG($sp) + .byte 0x11 # DW_CFA_offset_extended_sf + .uleb128 0x1f # $ra + .sleb128 -1 # SIZEOF_FRAME2 - 1*FFI_SIZEOF_ARG($sp) + .byte 0x4 # DW_CFA_advance_loc4 + .4byte $LCFI7-$LCFI6 + .byte 0xc # DW_CFA_def_cfa + .uleb128 0x1e + .uleb128 0x38 + .align 2 +$LEFDE1: + +#endif diff --git a/gcc-4.2.1/libffi/src/pa/ffi.c b/gcc-4.2.1/libffi/src/pa/ffi.c new file mode 100644 index 000000000..56f85dbdb --- /dev/null +++ b/gcc-4.2.1/libffi/src/pa/ffi.c @@ -0,0 +1,706 @@ +/* ----------------------------------------------------------------------- + ffi.c - (c) 2003-2004 Randolph Chung <tausq@debian.org> + + HPPA Foreign Function Interface + HP-UX PA ABI support (c) 2006 Free Software Foundation, Inc. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> +#include <stdio.h> + +#define ROUND_UP(v, a) (((size_t)(v) + (a) - 1) & ~((a) - 1)) + +#define MIN_STACK_SIZE 64 +#define FIRST_ARG_SLOT 9 +#define DEBUG_LEVEL 0 + +#define fldw(addr, fpreg) \ + __asm__ volatile ("fldw 0(%0), %%" #fpreg "L" : : "r"(addr) : #fpreg) +#define fstw(fpreg, addr) \ + __asm__ volatile ("fstw %%" #fpreg "L, 0(%0)" : : "r"(addr)) +#define fldd(addr, fpreg) \ + __asm__ volatile ("fldd 0(%0), %%" #fpreg : : "r"(addr) : #fpreg) +#define fstd(fpreg, addr) \ + __asm__ volatile ("fstd %%" #fpreg "L, 0(%0)" : : "r"(addr)) + +#define debug(lvl, x...) do { if (lvl <= DEBUG_LEVEL) { printf(x); } } while (0) + +static inline int ffi_struct_type(ffi_type *t) +{ + size_t sz = t->size; + + /* Small structure results are passed in registers, + larger ones are passed by pointer. Note that + small structures of size 2, 4 and 8 differ from + the corresponding integer types in that they have + different alignment requirements. */ + + if (sz <= 1) + return FFI_TYPE_UINT8; + else if (sz == 2) + return FFI_TYPE_SMALL_STRUCT2; + else if (sz == 3) + return FFI_TYPE_SMALL_STRUCT3; + else if (sz == 4) + return FFI_TYPE_SMALL_STRUCT4; + else if (sz == 5) + return FFI_TYPE_SMALL_STRUCT5; + else if (sz == 6) + return FFI_TYPE_SMALL_STRUCT6; + else if (sz == 7) + return FFI_TYPE_SMALL_STRUCT7; + else if (sz <= 8) + return FFI_TYPE_SMALL_STRUCT8; + else + return FFI_TYPE_STRUCT; /* else, we pass it by pointer. */ +} + +/* PA has a downward growing stack, which looks like this: + + Offset + [ Variable args ] + SP = (4*(n+9)) arg word N + ... + SP-52 arg word 4 + [ Fixed args ] + SP-48 arg word 3 + SP-44 arg word 2 + SP-40 arg word 1 + SP-36 arg word 0 + [ Frame marker ] + ... + SP-20 RP + SP-4 previous SP + + The first four argument words on the stack are reserved for use by + the callee. Instead, the general and floating registers replace + the first four argument slots. Non FP arguments are passed solely + in the general registers. FP arguments are passed in both general + and floating registers when using libffi. + + Non-FP 32-bit args are passed in gr26, gr25, gr24 and gr23. + Non-FP 64-bit args are passed in register pairs, starting + on an odd numbered register (i.e. r25+r26 and r23+r24). + FP 32-bit arguments are passed in fr4L, fr5L, fr6L and fr7L. + FP 64-bit arguments are passed in fr5 and fr7. + + The registers are allocated in the same manner as stack slots. + This allows the callee to save its arguments on the stack if + necessary: + + arg word 3 -> gr23 or fr7L + arg word 2 -> gr24 or fr6L or fr7R + arg word 1 -> gr25 or fr5L + arg word 0 -> gr26 or fr4L or fr5R + + Note that fr4R and fr6R are never used for arguments (i.e., + doubles are not passed in fr4 or fr6). + + The rest of the arguments are passed on the stack starting at SP-52, + but 64-bit arguments need to be aligned to an 8-byte boundary + + This means we can have holes either in the register allocation, + or in the stack. */ + +/* ffi_prep_args is called by the assembly routine once stack space + has been allocated for the function's arguments + + The following code will put everything into the stack frame + (which was allocated by the asm routine), and on return + the asm routine will load the arguments that should be + passed by register into the appropriate registers + + NOTE: We load floating point args in this function... that means we + assume gcc will not mess with fp regs in here. */ + +void ffi_prep_args_pa32(UINT32 *stack, extended_cif *ecif, unsigned bytes) +{ + register unsigned int i; + register ffi_type **p_arg; + register void **p_argv; + unsigned int slot = FIRST_ARG_SLOT; + char *dest_cpy; + size_t len; + + debug(1, "%s: stack = %p, ecif = %p, bytes = %u\n", __FUNCTION__, stack, + ecif, bytes); + + p_arg = ecif->cif->arg_types; + p_argv = ecif->avalue; + + for (i = 0; i < ecif->cif->nargs; i++) + { + int type = (*p_arg)->type; + + switch (type) + { + case FFI_TYPE_SINT8: + *(SINT32 *)(stack - slot) = *(SINT8 *)(*p_argv); + break; + + case FFI_TYPE_UINT8: + *(UINT32 *)(stack - slot) = *(UINT8 *)(*p_argv); + break; + + case FFI_TYPE_SINT16: + *(SINT32 *)(stack - slot) = *(SINT16 *)(*p_argv); + break; + + case FFI_TYPE_UINT16: + *(UINT32 *)(stack - slot) = *(UINT16 *)(*p_argv); + break; + + case FFI_TYPE_UINT32: + case FFI_TYPE_SINT32: + case FFI_TYPE_POINTER: + debug(3, "Storing UINT32 %u in slot %u\n", *(UINT32 *)(*p_argv), + slot); + *(UINT32 *)(stack - slot) = *(UINT32 *)(*p_argv); + break; + + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + /* Align slot for 64-bit type. */ + slot += (slot & 1) ? 1 : 2; + *(UINT64 *)(stack - slot) = *(UINT64 *)(*p_argv); + break; + + case FFI_TYPE_FLOAT: + /* First 4 args go in fr4L - fr7L. */ + debug(3, "Storing UINT32(float) in slot %u\n", slot); + *(UINT32 *)(stack - slot) = *(UINT32 *)(*p_argv); + switch (slot - FIRST_ARG_SLOT) + { + /* First 4 args go in fr4L - fr7L. */ + case 0: fldw(stack - slot, fr4); break; + case 1: fldw(stack - slot, fr5); break; + case 2: fldw(stack - slot, fr6); break; + case 3: fldw(stack - slot, fr7); break; + } + break; + + case FFI_TYPE_DOUBLE: + /* Align slot for 64-bit type. */ + slot += (slot & 1) ? 1 : 2; + debug(3, "Storing UINT64(double) at slot %u\n", slot); + *(UINT64 *)(stack - slot) = *(UINT64 *)(*p_argv); + switch (slot - FIRST_ARG_SLOT) + { + /* First 2 args go in fr5, fr7. */ + case 1: fldd(stack - slot, fr5); break; + case 3: fldd(stack - slot, fr7); break; + } + break; + +#ifdef PA_HPUX + case FFI_TYPE_LONGDOUBLE: + /* Long doubles are passed in the same manner as structures + larger than 8 bytes. */ + *(UINT32 *)(stack - slot) = (UINT32)(*p_argv); + break; +#endif + + case FFI_TYPE_STRUCT: + + /* Structs smaller or equal than 4 bytes are passed in one + register. Structs smaller or equal 8 bytes are passed in two + registers. Larger structures are passed by pointer. */ + + len = (*p_arg)->size; + if (len <= 4) + { + dest_cpy = (char *)(stack - slot) + 4 - len; + memcpy(dest_cpy, (char *)*p_argv, len); + } + else if (len <= 8) + { + slot += (slot & 1) ? 1 : 2; + dest_cpy = (char *)(stack - slot) + 8 - len; + memcpy(dest_cpy, (char *)*p_argv, len); + } + else + *(UINT32 *)(stack - slot) = (UINT32)(*p_argv); + break; + + default: + FFI_ASSERT(0); + } + + slot++; + p_arg++; + p_argv++; + } + + /* Make sure we didn't mess up and scribble on the stack. */ + { + unsigned int n; + + debug(5, "Stack setup:\n"); + for (n = 0; n < (bytes + 3) / 4; n++) + { + if ((n%4) == 0) { debug(5, "\n%08x: ", (unsigned int)(stack - n)); } + debug(5, "%08x ", *(stack - n)); + } + debug(5, "\n"); + } + + FFI_ASSERT(slot * 4 <= bytes); + + return; +} + +static void ffi_size_stack_pa32(ffi_cif *cif) +{ + ffi_type **ptr; + int i; + int z = 0; /* # stack slots */ + + for (ptr = cif->arg_types, i = 0; i < cif->nargs; ptr++, i++) + { + int type = (*ptr)->type; + + switch (type) + { + case FFI_TYPE_DOUBLE: + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + z += 2 + (z & 1); /* must start on even regs, so we may waste one */ + break; + +#ifdef PA_HPUX + case FFI_TYPE_LONGDOUBLE: +#endif + case FFI_TYPE_STRUCT: + z += 1; /* pass by ptr, callee will copy */ + break; + + default: /* <= 32-bit values */ + z++; + } + } + + /* We can fit up to 6 args in the default 64-byte stack frame, + if we need more, we need more stack. */ + if (z <= 6) + cif->bytes = MIN_STACK_SIZE; /* min stack size */ + else + cif->bytes = 64 + ROUND_UP((z - 6) * sizeof(UINT32), MIN_STACK_SIZE); + + debug(3, "Calculated stack size is %u bytes\n", cif->bytes); +} + +/* Perform machine dependent cif processing. */ +ffi_status ffi_prep_cif_machdep(ffi_cif *cif) +{ + /* Set the return type flag */ + switch (cif->rtype->type) + { + case FFI_TYPE_VOID: + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + cif->flags = (unsigned) cif->rtype->type; + break; + +#ifdef PA_HPUX + case FFI_TYPE_LONGDOUBLE: + /* Long doubles are treated like a structure. */ + cif->flags = FFI_TYPE_STRUCT; + break; +#endif + + case FFI_TYPE_STRUCT: + /* For the return type we have to check the size of the structures. + If the size is smaller or equal 4 bytes, the result is given back + in one register. If the size is smaller or equal 8 bytes than we + return the result in two registers. But if the size is bigger than + 8 bytes, we work with pointers. */ + cif->flags = ffi_struct_type(cif->rtype); + break; + + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + cif->flags = FFI_TYPE_UINT64; + break; + + default: + cif->flags = FFI_TYPE_INT; + break; + } + + /* Lucky us, because of the unique PA ABI we get to do our + own stack sizing. */ + switch (cif->abi) + { + case FFI_PA32: + ffi_size_stack_pa32(cif); + break; + + default: + FFI_ASSERT(0); + break; + } + + return FFI_OK; +} + +extern void ffi_call_pa32(void (*)(UINT32 *, extended_cif *, unsigned), + extended_cif *, unsigned, unsigned, unsigned *, + void (*fn)()); + +void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + extended_cif ecif; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return + value address then we need to make one. */ + + if (rvalue == NULL +#ifdef PA_HPUX + && (cif->rtype->type == FFI_TYPE_STRUCT + || cif->rtype->type == FFI_TYPE_LONGDOUBLE)) +#else + && cif->rtype->type == FFI_TYPE_STRUCT) +#endif + { + ecif.rvalue = alloca(cif->rtype->size); + } + else + ecif.rvalue = rvalue; + + + switch (cif->abi) + { + case FFI_PA32: + debug(3, "Calling ffi_call_pa32: ecif=%p, bytes=%u, flags=%u, rvalue=%p, fn=%p\n", &ecif, cif->bytes, cif->flags, ecif.rvalue, (void *)fn); + ffi_call_pa32(ffi_prep_args_pa32, &ecif, cif->bytes, + cif->flags, ecif.rvalue, fn); + break; + + default: + FFI_ASSERT(0); + break; + } +} + +#if FFI_CLOSURES +/* This is more-or-less an inverse of ffi_call -- we have arguments on + the stack, and we need to fill them into a cif structure and invoke + the user function. This really ought to be in asm to make sure + the compiler doesn't do things we don't expect. */ +ffi_status ffi_closure_inner_pa32(ffi_closure *closure, UINT32 *stack) +{ + ffi_cif *cif; + void **avalue; + void *rvalue; + UINT32 ret[2]; /* function can return up to 64-bits in registers */ + ffi_type **p_arg; + char *tmp; + int i, avn; + unsigned int slot = FIRST_ARG_SLOT; + register UINT32 r28 asm("r28"); + + cif = closure->cif; + + /* If returning via structure, callee will write to our pointer. */ + if (cif->flags == FFI_TYPE_STRUCT) + rvalue = (void *)r28; + else + rvalue = &ret[0]; + + avalue = (void **)alloca(cif->nargs * FFI_SIZEOF_ARG); + avn = cif->nargs; + p_arg = cif->arg_types; + + for (i = 0; i < avn; i++) + { + int type = (*p_arg)->type; + + switch (type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT32: + case FFI_TYPE_POINTER: + avalue[i] = (char *)(stack - slot) + sizeof(UINT32) - (*p_arg)->size; + break; + + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + slot += (slot & 1) ? 1 : 2; + avalue[i] = (void *)(stack - slot); + break; + + case FFI_TYPE_FLOAT: +#ifdef PA_LINUX + /* The closure call is indirect. In Linux, floating point + arguments in indirect calls with a prototype are passed + in the floating point registers instead of the general + registers. So, we need to replace what was previously + stored in the current slot with the value in the + corresponding floating point register. */ + switch (slot - FIRST_ARG_SLOT) + { + case 0: fstw(fr4, (void *)(stack - slot)); break; + case 1: fstw(fr5, (void *)(stack - slot)); break; + case 2: fstw(fr6, (void *)(stack - slot)); break; + case 3: fstw(fr7, (void *)(stack - slot)); break; + } +#endif + avalue[i] = (void *)(stack - slot); + break; + + case FFI_TYPE_DOUBLE: + slot += (slot & 1) ? 1 : 2; +#ifdef PA_LINUX + /* See previous comment for FFI_TYPE_FLOAT. */ + switch (slot - FIRST_ARG_SLOT) + { + case 1: fstd(fr5, (void *)(stack - slot)); break; + case 3: fstd(fr7, (void *)(stack - slot)); break; + } +#endif + avalue[i] = (void *)(stack - slot); + break; + + case FFI_TYPE_STRUCT: + /* Structs smaller or equal than 4 bytes are passed in one + register. Structs smaller or equal 8 bytes are passed in two + registers. Larger structures are passed by pointer. */ + if((*p_arg)->size <= 4) + { + avalue[i] = (void *)(stack - slot) + sizeof(UINT32) - + (*p_arg)->size; + } + else if ((*p_arg)->size <= 8) + { + slot += (slot & 1) ? 1 : 2; + avalue[i] = (void *)(stack - slot) + sizeof(UINT64) - + (*p_arg)->size; + } + else + avalue[i] = (void *) *(stack - slot); + break; + + default: + FFI_ASSERT(0); + } + + slot++; + p_arg++; + } + + /* Invoke the closure. */ + (closure->fun) (cif, rvalue, avalue, closure->user_data); + + debug(3, "after calling function, ret[0] = %08x, ret[1] = %08x\n", ret[0], + ret[1]); + + /* Store the result using the lower 2 bytes of the flags. */ + switch (cif->flags) + { + case FFI_TYPE_UINT8: + *(stack - FIRST_ARG_SLOT) = (UINT8)(ret[0] >> 24); + break; + case FFI_TYPE_SINT8: + *(stack - FIRST_ARG_SLOT) = (SINT8)(ret[0] >> 24); + break; + case FFI_TYPE_UINT16: + *(stack - FIRST_ARG_SLOT) = (UINT16)(ret[0] >> 16); + break; + case FFI_TYPE_SINT16: + *(stack - FIRST_ARG_SLOT) = (SINT16)(ret[0] >> 16); + break; + case FFI_TYPE_INT: + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT32: + *(stack - FIRST_ARG_SLOT) = ret[0]; + break; + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + *(stack - FIRST_ARG_SLOT) = ret[0]; + *(stack - FIRST_ARG_SLOT - 1) = ret[1]; + break; + + case FFI_TYPE_DOUBLE: + fldd(rvalue, fr4); + break; + + case FFI_TYPE_FLOAT: + fldw(rvalue, fr4); + break; + + case FFI_TYPE_STRUCT: + /* Don't need a return value, done by caller. */ + break; + + case FFI_TYPE_SMALL_STRUCT2: + case FFI_TYPE_SMALL_STRUCT3: + case FFI_TYPE_SMALL_STRUCT4: + tmp = (void*)(stack - FIRST_ARG_SLOT); + tmp += 4 - cif->rtype->size; + memcpy((void*)tmp, &ret[0], cif->rtype->size); + break; + + case FFI_TYPE_SMALL_STRUCT5: + case FFI_TYPE_SMALL_STRUCT6: + case FFI_TYPE_SMALL_STRUCT7: + case FFI_TYPE_SMALL_STRUCT8: + { + unsigned int ret2[2]; + int off; + + /* Right justify ret[0] and ret[1] */ + switch (cif->flags) + { + case FFI_TYPE_SMALL_STRUCT5: off = 3; break; + case FFI_TYPE_SMALL_STRUCT6: off = 2; break; + case FFI_TYPE_SMALL_STRUCT7: off = 1; break; + default: off = 0; break; + } + + memset (ret2, 0, sizeof (ret2)); + memcpy ((char *)ret2 + off, ret, 8 - off); + + *(stack - FIRST_ARG_SLOT) = ret2[0]; + *(stack - FIRST_ARG_SLOT - 1) = ret2[1]; + } + break; + + case FFI_TYPE_POINTER: + case FFI_TYPE_VOID: + break; + + default: + debug(0, "assert with cif->flags: %d\n",cif->flags); + FFI_ASSERT(0); + break; + } + return FFI_OK; +} + +/* Fill in a closure to refer to the specified fun and user_data. + cif specifies the argument and result types for fun. + The cif must already be prep'ed. */ + +extern void ffi_closure_pa32(void); + +ffi_status +ffi_prep_closure (ffi_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif*,void*,void**,void*), + void *user_data) +{ + UINT32 *tramp = (UINT32 *)(closure->tramp); +#ifdef PA_HPUX + UINT32 *tmp; +#endif + + FFI_ASSERT (cif->abi == FFI_PA32); + + /* Make a small trampoline that will branch to our + handler function. Use PC-relative addressing. */ + +#ifdef PA_LINUX + tramp[0] = 0xeaa00000; /* b,l .+8,%r21 ; %r21 <- pc+8 */ + tramp[1] = 0xd6a01c1e; /* depi 0,31,2,%r21 ; mask priv bits */ + tramp[2] = 0x4aa10028; /* ldw 20(%r21),%r1 ; load plabel */ + tramp[3] = 0x36b53ff1; /* ldo -8(%r21),%r21 ; get closure addr */ + tramp[4] = 0x0c201096; /* ldw 0(%r1),%r22 ; address of handler */ + tramp[5] = 0xeac0c000; /* bv%r0(%r22) ; branch to handler */ + tramp[6] = 0x0c281093; /* ldw 4(%r1),%r19 ; GP of handler */ + tramp[7] = ((UINT32)(ffi_closure_pa32) & ~2); + + /* Flush d/icache -- have to flush up 2 two lines because of + alignment. */ + __asm__ volatile( + "fdc 0(%0)\n\t" + "fdc %1(%0)\n\t" + "fic 0(%%sr4, %0)\n\t" + "fic %1(%%sr4, %0)\n\t" + "sync\n\t" + "nop\n\t" + "nop\n\t" + "nop\n\t" + "nop\n\t" + "nop\n\t" + "nop\n\t" + "nop\n" + : + : "r"((unsigned long)tramp & ~31), + "r"(32 /* stride */) + : "memory"); +#endif + +#ifdef PA_HPUX + tramp[0] = 0xeaa00000; /* b,l .+8,%r21 ; %r21 <- pc+8 */ + tramp[1] = 0xd6a01c1e; /* depi 0,31,2,%r21 ; mask priv bits */ + tramp[2] = 0x4aa10038; /* ldw 28(%r21),%r1 ; load plabel */ + tramp[3] = 0x36b53ff1; /* ldo -8(%r21),%r21 ; get closure addr */ + tramp[4] = 0x0c201096; /* ldw 0(%r1),%r22 ; address of handler */ + tramp[5] = 0x02c010b4; /* ldsid (%r22),%r20 ; load space id */ + tramp[6] = 0x00141820; /* mtsp %r20,%sr0 ; into %sr0 */ + tramp[7] = 0xe2c00000; /* be 0(%sr0,%r22) ; branch to handler */ + tramp[8] = 0x0c281093; /* ldw 4(%r1),%r19 ; GP of handler */ + tramp[9] = ((UINT32)(ffi_closure_pa32) & ~2); + + /* Flush d/icache -- have to flush three lines because of alignment. */ + __asm__ volatile( + "copy %1,%0\n\t" + "fdc,m %2(%0)\n\t" + "fdc,m %2(%0)\n\t" + "fdc,m %2(%0)\n\t" + "ldsid (%1),%0\n\t" + "mtsp %0,%%sr0\n\t" + "copy %1,%0\n\t" + "fic,m %2(%%sr0,%0)\n\t" + "fic,m %2(%%sr0,%0)\n\t" + "fic,m %2(%%sr0,%0)\n\t" + "sync\n\t" + "nop\n\t" + "nop\n\t" + "nop\n\t" + "nop\n\t" + "nop\n\t" + "nop\n\t" + "nop\n" + : "=&r" ((unsigned long)tmp) + : "r" ((unsigned long)tramp & ~31), + "r" (32/* stride */) + : "memory"); +#endif + + closure->cif = cif; + closure->user_data = user_data; + closure->fun = fun; + + return FFI_OK; +} +#endif diff --git a/gcc-4.2.1/libffi/src/pa/ffitarget.h b/gcc-4.2.1/libffi/src/pa/ffitarget.h new file mode 100644 index 000000000..95ac48060 --- /dev/null +++ b/gcc-4.2.1/libffi/src/pa/ffitarget.h @@ -0,0 +1,76 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for hppa. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +/* ---- System specific configurations ----------------------------------- */ + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + +#ifdef PA_LINUX + FFI_PA32, + FFI_DEFAULT_ABI = FFI_PA32, +#endif + +#ifdef PA_HPUX + FFI_PA32, + FFI_DEFAULT_ABI = FFI_PA32, +#endif + +#ifdef PA64_HPUX +#error "PA64_HPUX FFI is not yet implemented" + FFI_PA64, + FFI_DEFAULT_ABI = FFI_PA64, +#endif + + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; +#endif + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 1 +#define FFI_NATIVE_RAW_API 0 + +#ifdef PA_LINUX +#define FFI_TRAMPOLINE_SIZE 32 +#else +#define FFI_TRAMPOLINE_SIZE 40 +#endif + +#define FFI_TYPE_SMALL_STRUCT2 -1 +#define FFI_TYPE_SMALL_STRUCT3 -2 +#define FFI_TYPE_SMALL_STRUCT4 -3 +#define FFI_TYPE_SMALL_STRUCT5 -4 +#define FFI_TYPE_SMALL_STRUCT6 -5 +#define FFI_TYPE_SMALL_STRUCT7 -6 +#define FFI_TYPE_SMALL_STRUCT8 -7 +#endif diff --git a/gcc-4.2.1/libffi/src/pa/hpux32.S b/gcc-4.2.1/libffi/src/pa/hpux32.S new file mode 100644 index 000000000..8f6b4613e --- /dev/null +++ b/gcc-4.2.1/libffi/src/pa/hpux32.S @@ -0,0 +1,367 @@ +/* ----------------------------------------------------------------------- + hpux32.S - Copyright (c) 2006 Free Software Foundation, Inc. + based on src/pa/linux.S + + HP-UX PA Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + + .LEVEL 1.1 + .SPACE $PRIVATE$ + .IMPORT $global$,DATA + .IMPORT $$dyncall,MILLICODE + .SUBSPA $DATA$ + .align 4 + + /* void ffi_call_pa32(void (*)(char *, extended_cif *), + extended_cif *ecif, + unsigned bytes, + unsigned flags, + unsigned *rvalue, + void (*fn)()); + */ + + .export ffi_call_pa32,ENTRY,PRIV_LEV=3 + .import ffi_prep_args_pa32,CODE + + .SPACE $TEXT$ + .SUBSPA $CODE$ + .align 4 + +L$FB1 +ffi_call_pa32 + .proc + .callinfo FRAME=64,CALLS,SAVE_RP,SAVE_SP,ENTRY_GR=4 + .entry + stw %rp, -20(%sp) + copy %r3, %r1 +L$CFI11 + copy %sp, %r3 +L$CFI12 + + /* Setup the stack for calling prep_args... + We want the stack to look like this: + + [ Previous stack ] <- %r3 + + [ 64-bytes register save area ] <- %r4 + + [ Stack space for actual call, passed as ] <- %arg0 + [ arg0 to ffi_prep_args_pa32 ] + + [ Stack for calling prep_args ] <- %sp + */ + + stwm %r1, 64(%sp) + stw %r4, 12(%r3) +L$CFI13 + copy %sp, %r4 + + addl %arg2, %r4, %arg0 ; arg stack + stw %arg3, -48(%r3) ; save flags we need it later + + /* Call prep_args: + %arg0(stack) -- set up above + %arg1(ecif) -- same as incoming param + %arg2(bytes) -- same as incoming param */ + bl ffi_prep_args_pa32,%r2 + ldo 64(%arg0), %sp + ldo -64(%sp), %sp + + /* now %sp should point where %arg0 was pointing. */ + + /* Load the arguments that should be passed in registers + The fp args are loaded by the prep_args function. */ + ldw -36(%sp), %arg0 + ldw -40(%sp), %arg1 + ldw -44(%sp), %arg2 + ldw -48(%sp), %arg3 + + /* in case the function is going to return a structure + we need to give it a place to put the result. */ + ldw -52(%r3), %ret0 ; %ret0 <- rvalue + ldw -56(%r3), %r22 ; %r22 <- function to call + bl $$dyncall, %r31 ; Call the user function + copy %r31, %rp + + /* Prepare to store the result; we need to recover flags and rvalue. */ + ldw -48(%r3), %r21 ; r21 <- flags + ldw -52(%r3), %r20 ; r20 <- rvalue + + /* Store the result according to the return type. The most + likely types should come first. */ + +L$checkint + comib,<>,n FFI_TYPE_INT, %r21, L$checkint8 + b L$done + stw %ret0, 0(%r20) + +L$checkint8 + comib,<>,n FFI_TYPE_UINT8, %r21, L$checkint16 + b L$done + stb %ret0, 0(%r20) + +L$checkint16 + comib,<>,n FFI_TYPE_UINT16, %r21, L$checkdbl + b L$done + sth %ret0, 0(%r20) + +L$checkdbl + comib,<>,n FFI_TYPE_DOUBLE, %r21, L$checkfloat + b L$done + fstd %fr4,0(%r20) + +L$checkfloat + comib,<>,n FFI_TYPE_FLOAT, %r21, L$checkll + b L$done + fstw %fr4L,0(%r20) + +L$checkll + comib,<>,n FFI_TYPE_UINT64, %r21, L$checksmst2 + stw %ret0, 0(%r20) + b L$done + stw %ret1, 4(%r20) + +L$checksmst2 + comib,<>,n FFI_TYPE_SMALL_STRUCT2, %r21, L$checksmst3 + /* 2-byte structs are returned in ret0 as ????xxyy. */ + extru %ret0, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + b L$done + stb %ret0, 0(%r20) + +L$checksmst3 + comib,<>,n FFI_TYPE_SMALL_STRUCT3, %r21, L$checksmst4 + /* 3-byte structs are returned in ret0 as ??xxyyzz. */ + extru %ret0, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret0, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + b L$done + stb %ret0, 0(%r20) + +L$checksmst4 + comib,<>,n FFI_TYPE_SMALL_STRUCT4, %r21, L$checksmst5 + /* 4-byte structs are returned in ret0 as wwxxyyzz. */ + extru %ret0, 7, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret0, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret0, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + b L$done + stb %ret0, 0(%r20) + +L$checksmst5 + comib,<>,n FFI_TYPE_SMALL_STRUCT5, %r21, L$checksmst6 + /* 5 byte values are returned right justified: + ret0 ret1 + 5: ??????aa bbccddee */ + stbs,ma %ret0, 1(%r20) + extru %ret1, 7, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + b L$done + stb %ret1, 0(%r20) + +L$checksmst6 + comib,<>,n FFI_TYPE_SMALL_STRUCT6, %r21, L$checksmst7 + /* 6 byte values are returned right justified: + ret0 ret1 + 6: ????aabb ccddeeff */ + extru %ret0, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + stbs,ma %ret0, 1(%r20) + extru %ret1, 7, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + b L$done + stb %ret1, 0(%r20) + +L$checksmst7 + comib,<>,n FFI_TYPE_SMALL_STRUCT7, %r21, L$checksmst8 + /* 7 byte values are returned right justified: + ret0 ret1 + 7: ??aabbcc ddeeffgg */ + extru %ret0, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret0, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + stbs,ma %ret0, 1(%r20) + extru %ret1, 7, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + b L$done + stb %ret1, 0(%r20) + +L$checksmst8 + comib,<>,n FFI_TYPE_SMALL_STRUCT8, %r21, L$done + /* 8 byte values are returned right justified: + ret0 ret1 + 8: aabbccdd eeffgghh */ + extru %ret0, 7, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret0, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret0, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + stbs,ma %ret0, 1(%r20) + extru %ret1, 7, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + stb %ret1, 0(%r20) + +L$done + /* all done, return */ + copy %r4, %sp ; pop arg stack + ldw 12(%r3), %r4 + ldwm -64(%sp), %r3 ; .. and pop stack + ldw -20(%sp), %rp + bv %r0(%rp) + nop + .exit + .procend +L$FE1 + + /* void ffi_closure_pa32(void); + Called with closure argument in %r21 */ + + .SPACE $TEXT$ + .SUBSPA $CODE$ + .export ffi_closure_pa32,ENTRY,PRIV_LEV=3,RTNVAL=GR + .import ffi_closure_inner_pa32,CODE + .align 4 +L$FB2 +ffi_closure_pa32 + .proc + .callinfo FRAME=64,CALLS,SAVE_RP,SAVE_SP,ENTRY_GR=3 + .entry + + stw %rp, -20(%sp) + copy %r3, %r1 +L$CFI21 + copy %sp, %r3 +L$CFI22 + stwm %r1, 64(%sp) + + /* Put arguments onto the stack and call ffi_closure_inner. */ + stw %arg0, -36(%r3) + stw %arg1, -40(%r3) + stw %arg2, -44(%r3) + stw %arg3, -48(%r3) + + copy %r21, %arg0 + bl ffi_closure_inner_pa32, %r2 + copy %r3, %arg1 + ldwm -64(%sp), %r3 + ldw -20(%sp), %rp + ldw -36(%sp), %ret0 + bv %r0(%rp) + ldw -40(%sp), %ret1 + .exit + .procend +L$FE2: + + .SPACE $PRIVATE$ + .SUBSPA $DATA$ + + .align 4 + .EXPORT _GLOBAL__F_ffi_call_pa32,DATA +_GLOBAL__F_ffi_call_pa32 +L$frame1: + .word L$ECIE1-L$SCIE1 ;# Length of Common Information Entry +L$SCIE1: + .word 0x0 ;# CIE Identifier Tag + .byte 0x1 ;# CIE Version + .ascii "\0" ;# CIE Augmentation + .uleb128 0x1 ;# CIE Code Alignment Factor + .sleb128 4 ;# CIE Data Alignment Factor + .byte 0x2 ;# CIE RA Column + .byte 0xc ;# DW_CFA_def_cfa + .uleb128 0x1e + .uleb128 0x0 + .align 4 +L$ECIE1: +L$SFDE1: + .word L$EFDE1-L$ASFDE1 ;# FDE Length +L$ASFDE1: + .word L$ASFDE1-L$frame1 ;# FDE CIE offset + .word L$FB1 ;# FDE initial location + .word L$FE1-L$FB1 ;# FDE address range + + .byte 0x4 ;# DW_CFA_advance_loc4 + .word L$CFI11-L$FB1 + .byte 0x83 ;# DW_CFA_offset, column 0x3 + .uleb128 0x0 + .byte 0x11 ;# DW_CFA_offset_extended_sf; save r2 at [r30-20] + .uleb128 0x2 + .sleb128 -5 + + .byte 0x4 ;# DW_CFA_advance_loc4 + .word L$CFI12-L$CFI11 + .byte 0xd ;# DW_CFA_def_cfa_register = r3 + .uleb128 0x3 + + .byte 0x4 ;# DW_CFA_advance_loc4 + .word L$CFI13-L$CFI12 + .byte 0x84 ;# DW_CFA_offset, column 0x4 + .uleb128 0x3 + + .align 4 +L$EFDE1: + +L$SFDE2: + .word L$EFDE2-L$ASFDE2 ;# FDE Length +L$ASFDE2: + .word L$ASFDE2-L$frame1 ;# FDE CIE offset + .word L$FB2 ;# FDE initial location + .word L$FE2-L$FB2 ;# FDE address range + .byte 0x4 ;# DW_CFA_advance_loc4 + .word L$CFI21-L$FB2 + .byte 0x83 ;# DW_CFA_offset, column 0x3 + .uleb128 0x0 + .byte 0x11 ;# DW_CFA_offset_extended_sf + .uleb128 0x2 + .sleb128 -5 + + .byte 0x4 ;# DW_CFA_advance_loc4 + .word L$CFI22-L$CFI21 + .byte 0xd ;# DW_CFA_def_cfa_register = r3 + .uleb128 0x3 + + .align 4 +L$EFDE2: diff --git a/gcc-4.2.1/libffi/src/pa/linux.S b/gcc-4.2.1/libffi/src/pa/linux.S new file mode 100644 index 000000000..20be177a9 --- /dev/null +++ b/gcc-4.2.1/libffi/src/pa/linux.S @@ -0,0 +1,356 @@ +/* ----------------------------------------------------------------------- + linux.S - (c) 2003-2004 Randolph Chung <tausq@debian.org> + + HPPA Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + + .text + .level 1.1 + .align 4 + + /* void ffi_call_pa32(void (*)(char *, extended_cif *), + extended_cif *ecif, + unsigned bytes, + unsigned flags, + unsigned *rvalue, + void (*fn)()); + */ + + .export ffi_call_pa32,code + .import ffi_prep_args_pa32,code + + .type ffi_call_pa32, @function +.LFB1: +ffi_call_pa32: + .proc + .callinfo FRAME=64,CALLS,SAVE_RP,SAVE_SP,ENTRY_GR=4 + .entry + stw %rp, -20(%sp) + copy %r3, %r1 +.LCFI11: + + copy %sp, %r3 +.LCFI12: + + /* Setup the stack for calling prep_args... + We want the stack to look like this: + + [ Previous stack ] <- %r3 + + [ 64-bytes register save area ] <- %r4 + + [ Stack space for actual call, passed as ] <- %arg0 + [ arg0 to ffi_prep_args_pa32 ] + + [ Stack for calling prep_args ] <- %sp + */ + + stwm %r1, 64(%sp) + stw %r4, 12(%r3) +.LCFI13: + copy %sp, %r4 + + addl %arg2, %r4, %arg0 /* arg stack */ + stw %arg3, -48(%r3) /* save flags; we need it later */ + + /* Call prep_args: + %arg0(stack) -- set up above + %arg1(ecif) -- same as incoming param + %arg2(bytes) -- same as incoming param */ + bl ffi_prep_args_pa32,%r2 + ldo 64(%arg0), %sp + ldo -64(%sp), %sp + + /* now %sp should point where %arg0 was pointing. */ + + /* Load the arguments that should be passed in registers + The fp args were loaded by the prep_args function. */ + ldw -36(%sp), %arg0 + ldw -40(%sp), %arg1 + ldw -44(%sp), %arg2 + ldw -48(%sp), %arg3 + + /* in case the function is going to return a structure + we need to give it a place to put the result. */ + ldw -52(%r3), %ret0 /* %ret0 <- rvalue */ + ldw -56(%r3), %r22 /* %r22 <- function to call */ + bl $$dyncall, %r31 /* Call the user function */ + copy %r31, %rp + + /* Prepare to store the result; we need to recover flags and rvalue. */ + ldw -48(%r3), %r21 /* r21 <- flags */ + ldw -52(%r3), %r20 /* r20 <- rvalue */ + + /* Store the result according to the return type. */ + +.Lcheckint: + comib,<>,n FFI_TYPE_INT, %r21, .Lcheckint8 + b .Ldone + stw %ret0, 0(%r20) + +.Lcheckint8: + comib,<>,n FFI_TYPE_UINT8, %r21, .Lcheckint16 + b .Ldone + stb %ret0, 0(%r20) + +.Lcheckint16: + comib,<>,n FFI_TYPE_UINT16, %r21, .Lcheckdbl + b .Ldone + sth %ret0, 0(%r20) + +.Lcheckdbl: + comib,<>,n FFI_TYPE_DOUBLE, %r21, .Lcheckfloat + b .Ldone + fstd %fr4,0(%r20) + +.Lcheckfloat: + comib,<>,n FFI_TYPE_FLOAT, %r21, .Lcheckll + b .Ldone + fstw %fr4L,0(%r20) + +.Lcheckll: + comib,<>,n FFI_TYPE_UINT64, %r21, .Lchecksmst2 + stw %ret0, 0(%r20) + b .Ldone + stw %ret1, 4(%r20) + +.Lchecksmst2: + comib,<>,n FFI_TYPE_SMALL_STRUCT2, %r21, .Lchecksmst3 + /* 2-byte structs are returned in ret0 as ????xxyy. */ + extru %ret0, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + b .Ldone + stb %ret0, 0(%r20) + +.Lchecksmst3: + comib,<>,n FFI_TYPE_SMALL_STRUCT3, %r21, .Lchecksmst4 + /* 3-byte structs are returned in ret0 as ??xxyyzz. */ + extru %ret0, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret0, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + b .Ldone + stb %ret0, 0(%r20) + +.Lchecksmst4: + comib,<>,n FFI_TYPE_SMALL_STRUCT4, %r21, .Lchecksmst5 + /* 4-byte structs are returned in ret0 as wwxxyyzz. */ + extru %ret0, 7, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret0, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret0, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + b .Ldone + stb %ret0, 0(%r20) + +.Lchecksmst5: + comib,<>,n FFI_TYPE_SMALL_STRUCT5, %r21, .Lchecksmst6 + /* 5 byte values are returned right justified: + ret0 ret1 + 5: ??????aa bbccddee */ + stbs,ma %ret0, 1(%r20) + extru %ret1, 7, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + b .Ldone + stb %ret1, 0(%r20) + +.Lchecksmst6: + comib,<>,n FFI_TYPE_SMALL_STRUCT6, %r21, .Lchecksmst7 + /* 6 byte values are returned right justified: + ret0 ret1 + 6: ????aabb ccddeeff */ + extru %ret0, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + stbs,ma %ret0, 1(%r20) + extru %ret1, 7, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + b .Ldone + stb %ret1, 0(%r20) + +.Lchecksmst7: + comib,<>,n FFI_TYPE_SMALL_STRUCT7, %r21, .Lchecksmst8 + /* 7 byte values are returned right justified: + ret0 ret1 + 7: ??aabbcc ddeeffgg */ + extru %ret0, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret0, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + stbs,ma %ret0, 1(%r20) + extru %ret1, 7, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + b .Ldone + stb %ret1, 0(%r20) + +.Lchecksmst8: + comib,<>,n FFI_TYPE_SMALL_STRUCT8, %r21, .Ldone + /* 8 byte values are returned right justified: + ret0 ret1 + 8: aabbccdd eeffgghh */ + extru %ret0, 7, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret0, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret0, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + stbs,ma %ret0, 1(%r20) + extru %ret1, 7, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 15, 8, %r22 + stbs,ma %r22, 1(%r20) + extru %ret1, 23, 8, %r22 + stbs,ma %r22, 1(%r20) + stb %ret1, 0(%r20) + +.Ldone: + /* all done, return */ + copy %r4, %sp /* pop arg stack */ + ldw 12(%r3), %r4 + ldwm -64(%sp), %r3 /* .. and pop stack */ + ldw -20(%sp), %rp + bv %r0(%rp) + nop + .exit + .procend +.LFE1: + + /* void ffi_closure_pa32(void); + Called with closure argument in %r21 */ + .export ffi_closure_pa32,code + .import ffi_closure_inner_pa32,code + + .type ffi_closure_pa32, @function +.LFB2: +ffi_closure_pa32: + .proc + .callinfo FRAME=64,CALLS,SAVE_RP,SAVE_SP,ENTRY_GR=3 + .entry + + stw %rp, -20(%sp) +.LCFI20: + copy %r3, %r1 +.LCFI21: + copy %sp, %r3 +.LCFI22: + stwm %r1, 64(%sp) + + /* Put arguments onto the stack and call ffi_closure_inner. */ + stw %arg0, -36(%r3) + stw %arg1, -40(%r3) + stw %arg2, -44(%r3) + stw %arg3, -48(%r3) + + copy %r21, %arg0 + bl ffi_closure_inner_pa32, %r2 + copy %r3, %arg1 + + ldwm -64(%sp), %r3 + ldw -20(%sp), %rp + ldw -36(%sp), %ret0 + bv %r0(%r2) + ldw -40(%sp), %ret1 + + .exit + .procend +.LFE2: + + .section ".eh_frame",EH_FRAME_FLAGS,@progbits +.Lframe1: + .word .LECIE1-.LSCIE1 ;# Length of Common Information Entry +.LSCIE1: + .word 0x0 ;# CIE Identifier Tag + .byte 0x1 ;# CIE Version + .ascii "\0" ;# CIE Augmentation + .uleb128 0x1 ;# CIE Code Alignment Factor + .sleb128 4 ;# CIE Data Alignment Factor + .byte 0x2 ;# CIE RA Column + .byte 0xc ;# DW_CFA_def_cfa + .uleb128 0x1e + .uleb128 0x0 + .align 4 +.LECIE1: +.LSFDE1: + .word .LEFDE1-.LASFDE1 ;# FDE Length +.LASFDE1: + .word .LASFDE1-.Lframe1 ;# FDE CIE offset + .word .LFB1 ;# FDE initial location + .word .LFE1-.LFB1 ;# FDE address range + + .byte 0x4 ;# DW_CFA_advance_loc4 + .word .LCFI11-.LFB1 + .byte 0x83 ;# DW_CFA_offset, column 0x3 + .uleb128 0x0 + .byte 0x11 ;# DW_CFA_offset_extended_sf; save r2 at [r30-20] + .uleb128 0x2 + .sleb128 -5 + + .byte 0x4 ;# DW_CFA_advance_loc4 + .word .LCFI12-.LCFI11 + .byte 0xd ;# DW_CFA_def_cfa_register = r3 + .uleb128 0x3 + + .byte 0x4 ;# DW_CFA_advance_loc4 + .word .LCFI13-.LCFI12 + .byte 0x84 ;# DW_CFA_offset, column 0x4 + .uleb128 0x3 + + .align 4 +.LEFDE1: + +.LSFDE2: + .word .LEFDE2-.LASFDE2 ;# FDE Length +.LASFDE2: + .word .LASFDE2-.Lframe1 ;# FDE CIE offset + .word .LFB2 ;# FDE initial location + .word .LFE2-.LFB2 ;# FDE address range + .byte 0x4 ;# DW_CFA_advance_loc4 + .word .LCFI21-.LFB2 + .byte 0x83 ;# DW_CFA_offset, column 0x3 + .uleb128 0x0 + .byte 0x11 ;# DW_CFA_offset_extended_sf + .uleb128 0x2 + .sleb128 -5 + + .byte 0x4 ;# DW_CFA_advance_loc4 + .word .LCFI22-.LCFI21 + .byte 0xd ;# DW_CFA_def_cfa_register = r3 + .uleb128 0x3 + + .align 4 +.LEFDE2: diff --git a/gcc-4.2.1/libffi/src/powerpc/aix.S b/gcc-4.2.1/libffi/src/powerpc/aix.S new file mode 100644 index 000000000..45502f796 --- /dev/null +++ b/gcc-4.2.1/libffi/src/powerpc/aix.S @@ -0,0 +1,225 @@ +/* ----------------------------------------------------------------------- + aix.S - Copyright (c) 2002 Free Software Foundation, Inc. + based on darwin.S by John Hornkvist + + PowerPC Assembly glue. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + + .set r0,0 + .set r1,1 + .set r2,2 + .set r3,3 + .set r4,4 + .set r5,5 + .set r6,6 + .set r7,7 + .set r8,8 + .set r9,9 + .set r10,10 + .set r11,11 + .set r12,12 + .set r13,13 + .set r14,14 + .set r15,15 + .set r16,16 + .set r17,17 + .set r18,18 + .set r19,19 + .set r20,20 + .set r21,21 + .set r22,22 + .set r23,23 + .set r24,24 + .set r25,25 + .set r26,26 + .set r27,27 + .set r28,28 + .set r29,29 + .set r30,30 + .set r31,31 + .set f0,0 + .set f1,1 + .set f2,2 + .set f3,3 + .set f4,4 + .set f5,5 + .set f6,6 + .set f7,7 + .set f8,8 + .set f9,9 + .set f10,10 + .set f11,11 + .set f12,12 + .set f13,13 + .set f14,14 + .set f15,15 + .set f16,16 + .set f17,17 + .set f18,18 + .set f19,19 + .set f20,20 + .set f21,21 + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> +#define JUMPTARGET(name) name +#define L(x) x + .file "aix.S" + .toc + .csect .text[PR] + .align 2 +.globl ffi_prep_args + +.csect .text[PR] + .align 2 + .globl ffi_call_AIX + .globl .ffi_call_AIX +.csect ffi_call_AIX[DS] +ffi_call_AIX: + .long .ffi_call_AIX, TOC[tc0], 0 + .csect .text[PR] +.ffi_call_AIX: + mr r12,r8 // We only need r12 until the call, so it doesn't have to be saved... + /* Save the old stack pointer as AP. */ + mr r8,r1 + + /* Allocate the stack space we need. */ + stwux r1,r1,r4 + + /* Save registers we use. */ + mflr r9 + + stw r28,-16(r8) + stw r29,-12(r8) + stw r30, -8(r8) + stw r31, -4(r8) + + stw r9, 8(r8) + stw r2, 20(r1) + + /* Save arguments over call... */ + mr r31,r5 /* flags, */ + mr r30,r6 /* rvalue, */ + mr r29,r7 /* function address, */ + mr r28,r8 /* our AP. */ + + /* Call ffi_prep_args. */ + mr r4,r1 + li r9,0 + + lwz r2,4(r12) + lwz r12,0(r12) + mtctr r12 // r12 holds address of _ffi_prep_args + bctrl + lwz r2,20(r1) + + /* Now do the call. */ + lwz r12,0(r29) + /* Set up cr1 with bits 4-7 of the flags. */ + mtcrf 0x40,r31 + stw r2,20(r1) + mtctr r12 + lwz r2,4(r29) + /* Load all those argument registers. */ + // We have set up a nice stack frame, just load it into registers. + lwz r3, 20+(1*4)(r1) + lwz r4, 20+(2*4)(r1) + lwz r5, 20+(3*4)(r1) + lwz r6, 20+(4*4)(r1) + nop + lwz r7, 20+(5*4)(r1) + lwz r8, 20+(6*4)(r1) + lwz r9, 20+(7*4)(r1) + lwz r10,20+(8*4)(r1) + +L1: + /* Load all the FP registers. */ + bf 6,L2 // 2f + 0x18 + lfd f1,-16-(13*8)(r28) + lfd f2,-16-(12*8)(r28) + lfd f3,-16-(11*8)(r28) + lfd f4,-16-(10*8)(r28) + nop + lfd f5,-16-(9*8)(r28) + lfd f6,-16-(8*8)(r28) + lfd f7,-16-(7*8)(r28) + lfd f8,-16-(6*8)(r28) + nop + lfd f9,-16-(5*8)(r28) + lfd f10,-16-(4*8)(r28) + lfd f11,-16-(3*8)(r28) + lfd f12,-16-(2*8)(r28) + nop + lfd f13,-16-(1*8)(r28) + +L2: + /* Make the call. */ + bctrl + lwz r2,20(r1) + + /* Now, deal with the return value. */ + mtcrf 0x01,r31 + + bt 30,L(done_return_value) + bt 29,L(fp_return_value) + stw r3,0(r30) + bf 28,L(done_return_value) + stw r4,4(r30) + + /* Fall through... */ + +L(done_return_value): + /* Restore the registers we used and return. */ + lwz r9, 8(r28) + lwz r31, -4(r28) + mtlr r9 + lwz r30, -8(r28) + lwz r29,-12(r28) + lwz r28,-16(r28) + lwz r1,0(r1) + blr + +L(fp_return_value): + bf 28,L(float_return_value) + stfd f1,0(r30) + b L(done_return_value) +L(float_return_value): + stfs f1,0(r30) + b L(done_return_value) + .long 0 + .byte 0,0,0,1,128,4,0,0 +//END(ffi_call_AIX) + +.csect .text[PR] + .align 2 + .globl ffi_call_DARWIN + .globl .ffi_call_DARWIN +.csect ffi_call_DARWIN[DS] +ffi_call_DARWIN: + .long .ffi_call_DARWIN, TOC[tc0], 0 + .csect .text[PR] +.ffi_call_DARWIN: + blr + .long 0 + .byte 0,0,0,0,0,0,0,0 +//END(ffi_call_DARWIN) diff --git a/gcc-4.2.1/libffi/src/powerpc/aix_closure.S b/gcc-4.2.1/libffi/src/powerpc/aix_closure.S new file mode 100644 index 000000000..7bf5c6560 --- /dev/null +++ b/gcc-4.2.1/libffi/src/powerpc/aix_closure.S @@ -0,0 +1,247 @@ +/* ----------------------------------------------------------------------- + aix_closure.S - Copyright (c) 2002 2003 Free Software Foundation, Inc. + based on darwin_closure.S + + PowerPC Assembly glue. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + + .set r0,0 + .set r1,1 + .set r2,2 + .set r3,3 + .set r4,4 + .set r5,5 + .set r6,6 + .set r7,7 + .set r8,8 + .set r9,9 + .set r10,10 + .set r11,11 + .set r12,12 + .set r13,13 + .set r14,14 + .set r15,15 + .set r16,16 + .set r17,17 + .set r18,18 + .set r19,19 + .set r20,20 + .set r21,21 + .set r22,22 + .set r23,23 + .set r24,24 + .set r25,25 + .set r26,26 + .set r27,27 + .set r28,28 + .set r29,29 + .set r30,30 + .set r31,31 + .set f0,0 + .set f1,1 + .set f2,2 + .set f3,3 + .set f4,4 + .set f5,5 + .set f6,6 + .set f7,7 + .set f8,8 + .set f9,9 + .set f10,10 + .set f11,11 + .set f12,12 + .set f13,13 + .set f14,14 + .set f15,15 + .set f16,16 + .set f17,17 + .set f18,18 + .set f19,19 + .set f20,20 + .set f21,21 + +#define LIBFFI_ASM +#define JUMPTARGET(name) name +#define L(x) x + .file "aix_closure.S" + .toc +LC..60: + .tc L..60[TC],L..60 + .csect .text[PR] + .align 2 + +.csect .text[PR] + .align 2 + .globl ffi_closure_ASM + .globl .ffi_closure_ASM +.csect ffi_closure_ASM[DS] + +ffi_closure_ASM: + .long .ffi_closure_ASM, TOC[tc0], 0 + .csect .text[PR] +.ffi_closure_ASM: + + mflr r0 /* extract return address */ + stw r0, 8(r1) /* save the return address */ + + /* 24 Bytes (Linkage Area) */ + /* 32 Bytes (params) */ + /* 104 Bytes (13*8 from FPR) */ + /* 8 Bytes (result) */ + /* 168 Bytes */ + + stwu r1,-176(r1) /* skip over caller save area + keep stack aligned to 16 */ + +/* we want to build up an area for the parameters passed */ +/* in registers (both floating point and integer) */ + + /* we store gpr 3 to gpr 10 (aligned to 4) + in the parents outgoing area */ + stw r3, 200(r1) + stw r4, 204(r1) + stw r5, 208(r1) + stw r6, 212(r1) + stw r7, 216(r1) + stw r8, 220(r1) + stw r9, 224(r1) + stw r10, 228(r1) + + /* next save fpr 1 to fpr 13 (aligned to 8) */ + stfd f1, 56(r1) + stfd f2, 64(r1) + stfd f3, 72(r1) + stfd f4, 80(r1) + stfd f5, 88(r1) + stfd f6, 96(r1) + stfd f7, 104(r1) + stfd f8, 112(r1) + stfd f9, 120(r1) + stfd f10, 128(r1) + stfd f11, 136(r1) + stfd f12, 144(r1) + stfd f13, 152(r1) + + /* set up registers for the routine that actually does the work */ + /* get the context pointer from the trampoline */ + mr r3,r11 + + /* now load up the pointer to the result storage */ + addi r4,r1,160 + + /* now load up the pointer to the saved gpr registers */ + addi r5,r1,200 + + /* now load up the pointer to the saved fpr registers */ + addi r6,r1,56 + + /* make the call */ + bl .ffi_closure_helper_DARWIN + nop + + /* now r3 contains the return type */ + /* so use it to look up in a table */ + /* so we know how to deal with each type */ + + /* look up the proper starting point in table */ + /* by using return type as offset */ + addi r5,r1,160 /* get pointer to results area */ + lwz r4,LC..60(2) /* get address of jump table */ + slwi r3,r3,2 /* now multiply return type by 4 */ + lwzx r3,r4,r3 /* get the contents of that table value */ + add r3,r3,r4 /* add contents of table to table address */ + mtctr r3 + bctr /* jump to it */ + +L..60: + .long L..44-L..60 /* FFI_TYPE_VOID */ + .long L..50-L..60 /* FFI_TYPE_INT */ + .long L..47-L..60 /* FFI_TYPE_FLOAT */ + .long L..46-L..60 /* FFI_TYPE_DOUBLE */ + .long L..46-L..60 /* FFI_TYPE_LONGDOUBLE */ + .long L..56-L..60 /* FFI_TYPE_UINT8 */ + .long L..55-L..60 /* FFI_TYPE_SINT8 */ + .long L..58-L..60 /* FFI_TYPE_UINT16 */ + .long L..57-L..60 /* FFI_TYPE_SINT16 */ + .long L..50-L..60 /* FFI_TYPE_UINT32 */ + .long L..50-L..60 /* FFI_TYPE_SINT32 */ + .long L..48-L..60 /* FFI_TYPE_UINT64 */ + .long L..48-L..60 /* FFI_TYPE_SINT64 */ + .long L..44-L..60 /* FFI_TYPE_STRUCT */ + .long L..50-L..60 /* FFI_TYPE_POINTER */ + + +/* case double */ +L..46: + lfd f1,0(r5) + b L..44 + +/* case float */ +L..47: + lfs f1,0(r5) + b L..44 + +/* case long long */ +L..48: + lwz r3,0(r5) + lwz r4,4(r5) + b L..44 + +/* case default / int32 / pointer */ +L..50: + lwz r3,0(r5) + b L..44 + +/* case signed int8 */ +L..55: + addi r5,r5,3 + lbz r3,0(r5) + slwi r3,r3,24 + srawi r3,r3,24 + b L..44 + +/* case unsigned int8 */ +L..56: + addi r5,r5,3 + lbz r3,0(r5) + b L..44 + +/* case signed int16 */ +L..57: + addi r5,r5,2 + lhz r3,0(r5) + extsh r3,r3 + b L..44 + +/* case unsigned int16 */ +L..58: + addi r5,r5,2 + lhz r3,0(r5) + +/* case void / done */ +L..44: + addi r1,r1,176 /* restore stack pointer */ + lwz r0,8(r1) /* get return address */ + mtlr r0 /* reset link register */ + blr + +/* END(ffi_closure_ASM) */ diff --git a/gcc-4.2.1/libffi/src/powerpc/asm.h b/gcc-4.2.1/libffi/src/powerpc/asm.h new file mode 100644 index 000000000..e86e6b091 --- /dev/null +++ b/gcc-4.2.1/libffi/src/powerpc/asm.h @@ -0,0 +1,125 @@ +/* ----------------------------------------------------------------------- + asm.h - Copyright (c) 1998 Geoffrey Keating + + PowerPC Assembly glue. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define ASM_GLOBAL_DIRECTIVE .globl + + +#define C_SYMBOL_NAME(name) name +/* Macro for a label. */ +#ifdef __STDC__ +#define C_LABEL(name) name##: +#else +#define C_LABEL(name) name/**/: +#endif + +/* This seems to always be the case on PPC. */ +#define ALIGNARG(log2) log2 +/* For ELF we need the `.type' directive to make shared libs work right. */ +#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg; +#define ASM_SIZE_DIRECTIVE(name) .size name,.-name + +/* If compiled for profiling, call `_mcount' at the start of each function. */ +#ifdef PROF +/* The mcount code relies on a the return address being on the stack + to locate our caller and so it can restore it; so store one just + for its benefit. */ +#ifdef PIC +#define CALL_MCOUNT \ + .pushsection; \ + .section ".data"; \ + .align ALIGNARG(2); \ +0:.long 0; \ + .previous; \ + mflr %r0; \ + stw %r0,4(%r1); \ + bl _GLOBAL_OFFSET_TABLE_@local-4; \ + mflr %r11; \ + lwz %r0,0b@got(%r11); \ + bl JUMPTARGET(_mcount); +#else /* PIC */ +#define CALL_MCOUNT \ + .section ".data"; \ + .align ALIGNARG(2); \ +0:.long 0; \ + .previous; \ + mflr %r0; \ + lis %r11,0b@ha; \ + stw %r0,4(%r1); \ + addi %r0,%r11,0b@l; \ + bl JUMPTARGET(_mcount); +#endif /* PIC */ +#else /* PROF */ +#define CALL_MCOUNT /* Do nothing. */ +#endif /* PROF */ + +#define ENTRY(name) \ + ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \ + ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ + .align ALIGNARG(2); \ + C_LABEL(name) \ + CALL_MCOUNT + +#define EALIGN_W_0 /* No words to insert. */ +#define EALIGN_W_1 nop +#define EALIGN_W_2 nop;nop +#define EALIGN_W_3 nop;nop;nop +#define EALIGN_W_4 EALIGN_W_3;nop +#define EALIGN_W_5 EALIGN_W_4;nop +#define EALIGN_W_6 EALIGN_W_5;nop +#define EALIGN_W_7 EALIGN_W_6;nop + +/* EALIGN is like ENTRY, but does alignment to 'words'*4 bytes + past a 2^align boundary. */ +#ifdef PROF +#define EALIGN(name, alignt, words) \ + ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \ + ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ + .align ALIGNARG(2); \ + C_LABEL(name) \ + CALL_MCOUNT \ + b 0f; \ + .align ALIGNARG(alignt); \ + EALIGN_W_##words; \ + 0: +#else /* PROF */ +#define EALIGN(name, alignt, words) \ + ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \ + ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ + .align ALIGNARG(alignt); \ + EALIGN_W_##words; \ + C_LABEL(name) +#endif + +#define END(name) \ + ASM_SIZE_DIRECTIVE(name) + +#ifdef PIC +#define JUMPTARGET(name) name##@plt +#else +#define JUMPTARGET(name) name +#endif + +/* Local labels stripped out by the linker. */ +#define L(x) .L##x diff --git a/gcc-4.2.1/libffi/src/powerpc/darwin.S b/gcc-4.2.1/libffi/src/powerpc/darwin.S new file mode 100644 index 000000000..d8a1df5fe --- /dev/null +++ b/gcc-4.2.1/libffi/src/powerpc/darwin.S @@ -0,0 +1,245 @@ +/* ----------------------------------------------------------------------- + darwin.S - Copyright (c) 2000 John Hornkvist + Copyright (c) 2004 Free Software Foundation, Inc. + + PowerPC Assembly glue. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#if defined(__ppc64__) +#define MODE_CHOICE(x, y) y +#else +#define MODE_CHOICE(x, y) x +#endif + +#define g_long MODE_CHOICE(long, quad) /* usage is ".g_long" */ + +#define LOG2_GPR_BYTES MODE_CHOICE(2,3) /* log2(GPR_BYTES) */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> +#define JUMPTARGET(name) name +#define L(x) x +.text + .align 2 +.globl _ffi_prep_args + +.text + .align 2 +.globl _ffi_call_DARWIN +.text + .align 2 +_ffi_call_DARWIN: +LFB0: + mr r12,r8 /* We only need r12 until the call, + so it doesn't have to be saved. */ +LFB1: + /* Save the old stack pointer as AP. */ + mr r8,r1 +LCFI0: + /* Allocate the stack space we need. */ + stwux r1,r1,r4 + + /* Save registers we use. */ + mflr r9 + + stw r28,-16(r8) + stw r29,-12(r8) + stw r30,-8(r8) + stw r31,-4(r8) + + stw r9,8(r8) + stw r2,20(r1) +LCFI1: + + /* Save arguments over call. */ + mr r31,r5 /* flags, */ + mr r30,r6 /* rvalue, */ + mr r29,r7 /* function address, */ + mr r28,r8 /* our AP. */ +LCFI2: + /* Call ffi_prep_args. */ + mr r4,r1 + li r9,0 + + mtctr r12 /* r12 holds address of _ffi_prep_args. */ + bctrl + lwz r2,20(r1) + + /* Now do the call. + Set up cr1 with bits 4-7 of the flags. */ + mtcrf 0x40,r31 + /* Get the address to call into CTR. */ + mtctr r29 + /* Load all those argument registers. + We have set up a nice stack frame, just load it into registers. */ + lwz r3,20+(1*4)(r1) + lwz r4,20+(2*4)(r1) + lwz r5,20+(3*4)(r1) + lwz r6,20+(4*4)(r1) + nop + lwz r7,20+(5*4)(r1) + lwz r8,20+(6*4)(r1) + lwz r9,20+(7*4)(r1) + lwz r10,20+(8*4)(r1) + +L1: + /* Load all the FP registers. */ + bf 6,L2 /* No floats to load. */ + lfd f1,-16-(13*8)(r28) + lfd f2,-16-(12*8)(r28) + lfd f3,-16-(11*8)(r28) + lfd f4,-16-(10*8)(r28) + nop + lfd f5,-16-(9*8)(r28) + lfd f6,-16-(8*8)(r28) + lfd f7,-16-(7*8)(r28) + lfd f8,-16-(6*8)(r28) + nop + lfd f9,-16-(5*8)(r28) + lfd f10,-16-(4*8)(r28) + lfd f11,-16-(3*8)(r28) + lfd f12,-16-(2*8)(r28) + nop + lfd f13,-16-(1*8)(r28) + +L2: + mr r12,r29 /* Put the target address in r12 as specified. */ + mtctr r12 + nop + nop + /* Make the call. */ + bctrl + + /* Now, deal with the return value. */ + mtcrf 0x01,r31 + + bt 30,L(done_return_value) + bt 29,L(fp_return_value) + stw r3,0(r30) + bf 28,L(done_return_value) + stw r4,4(r30) + + /* Fall through. */ + +L(done_return_value): + /* Restore the registers we used and return. */ + lwz r9,8(r28) + lwz r31,-4(r28) + mtlr r9 + lwz r30,-8(r28) + lwz r29,-12(r28) + lwz r28,-16(r28) + lwz r1,0(r1) + blr + +L(fp_return_value): + /* Do we have long double to store? */ + bf 31,L(fd_return_value) + stfd f1,0(r30) + stfd f2,8(r30) + b L(done_return_value) + +L(fd_return_value): + /* Do we have double to store? */ + bf 28,L(float_return_value) + stfd f1,0(r30) + b L(done_return_value) + +L(float_return_value): + /* We only have a float to store. */ + stfs f1,0(r30) + b L(done_return_value) + +LFE1: +/* END(_ffi_call_DARWIN) */ + +/* Provide a null definition of _ffi_call_AIX. */ +.text + .align 2 +.globl _ffi_call_AIX +.text + .align 2 +_ffi_call_AIX: + blr +/* END(_ffi_call_AIX) */ + +.data +.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms +EH_frame1: + .set L$set$0,LECIE1-LSCIE1 + .long L$set$0 ; Length of Common Information Entry +LSCIE1: + .long 0x0 ; CIE Identifier Tag + .byte 0x1 ; CIE Version + .ascii "zR\0" ; CIE Augmentation + .byte 0x1 ; uleb128 0x1; CIE Code Alignment Factor + .byte 0x7c ; sleb128 -4; CIE Data Alignment Factor + .byte 0x41 ; CIE RA Column + .byte 0x1 ; uleb128 0x1; Augmentation size + .byte 0x90 ; FDE Encoding (indirect pcrel) + .byte 0xc ; DW_CFA_def_cfa + .byte 0x1 ; uleb128 0x1 + .byte 0x0 ; uleb128 0x0 + .align LOG2_GPR_BYTES +LECIE1: +.globl _ffi_call_DARWIN.eh +_ffi_call_DARWIN.eh: +LSFDE1: + .set L$set$1,LEFDE1-LASFDE1 + .long L$set$1 ; FDE Length +LASFDE1: + .long LASFDE1-EH_frame1 ; FDE CIE offset + .g_long LLFB0$non_lazy_ptr-. ; FDE initial location + .set L$set$3,LFE1-LFB0 + .g_long L$set$3 ; FDE address range + .byte 0x0 ; uleb128 0x0; Augmentation size + .byte 0x4 ; DW_CFA_advance_loc4 + .set L$set$4,LCFI0-LFB1 + .long L$set$4 + .byte 0xd ; DW_CFA_def_cfa_register + .byte 0x08 ; uleb128 0x08 + .byte 0x4 ; DW_CFA_advance_loc4 + .set L$set$5,LCFI1-LCFI0 + .long L$set$5 + .byte 0x11 ; DW_CFA_offset_extended_sf + .byte 0x41 ; uleb128 0x41 + .byte 0x7e ; sleb128 -2 + .byte 0x9f ; DW_CFA_offset, column 0x1f + .byte 0x1 ; uleb128 0x1 + .byte 0x9e ; DW_CFA_offset, column 0x1e + .byte 0x2 ; uleb128 0x2 + .byte 0x9d ; DW_CFA_offset, column 0x1d + .byte 0x3 ; uleb128 0x3 + .byte 0x9c ; DW_CFA_offset, column 0x1c + .byte 0x4 ; uleb128 0x4 + .byte 0x4 ; DW_CFA_advance_loc4 + .set L$set$6,LCFI2-LCFI1 + .long L$set$6 + .byte 0xd ; DW_CFA_def_cfa_register + .byte 0x1c ; uleb128 0x1c + .align LOG2_GPR_BYTES +LEFDE1: +.data + .align LOG2_GPR_BYTES +LLFB0$non_lazy_ptr: + .g_long LFB0 diff --git a/gcc-4.2.1/libffi/src/powerpc/darwin_closure.S b/gcc-4.2.1/libffi/src/powerpc/darwin_closure.S new file mode 100644 index 000000000..7959838e9 --- /dev/null +++ b/gcc-4.2.1/libffi/src/powerpc/darwin_closure.S @@ -0,0 +1,317 @@ +/* ----------------------------------------------------------------------- + darwin_closure.S - Copyright (c) 2002, 2003, 2004, Free Software Foundation, + Inc. based on ppc_closure.S + + PowerPC Assembly glue. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#define L(x) x + +#if defined(__ppc64__) +#define MODE_CHOICE(x, y) y +#else +#define MODE_CHOICE(x, y) x +#endif + +#define lgu MODE_CHOICE(lwzu, ldu) + +#define g_long MODE_CHOICE(long, quad) /* usage is ".g_long" */ + +#define LOG2_GPR_BYTES MODE_CHOICE(2,3) /* log2(GPR_BYTES) */ + + .file "darwin_closure.S" +.text + .align LOG2_GPR_BYTES +.globl _ffi_closure_ASM + +.text + .align LOG2_GPR_BYTES +_ffi_closure_ASM: +LFB1: + mflr r0 /* extract return address */ + stw r0,8(r1) /* save the return address */ +LCFI0: + /* 24 Bytes (Linkage Area) + 32 Bytes (outgoing parameter area, always reserved) + 104 Bytes (13*8 from FPR) + 16 Bytes (result) + 176 Bytes */ + + stwu r1,-176(r1) /* skip over caller save area + keep stack aligned to 16. */ +LCFI1: + /* We want to build up an area for the parameters passed + in registers. (both floating point and integer) */ + + /* We store gpr 3 to gpr 10 (aligned to 4) + in the parents outgoing area. */ + stw r3,200(r1) + stw r4,204(r1) + stw r5,208(r1) + stw r6,212(r1) + stw r7,216(r1) + stw r8,220(r1) + stw r9,224(r1) + stw r10,228(r1) + + /* We save fpr 1 to fpr 13. (aligned to 8) */ + stfd f1,56(r1) + stfd f2,64(r1) + stfd f3,72(r1) + stfd f4,80(r1) + stfd f5,88(r1) + stfd f6,96(r1) + stfd f7,104(r1) + stfd f8,112(r1) + stfd f9,120(r1) + stfd f10,128(r1) + stfd f11,136(r1) + stfd f12,144(r1) + stfd f13,152(r1) + + /* Set up registers for the routine that actually does the work + get the context pointer from the trampoline. */ + mr r3,r11 + + /* Now load up the pointer to the result storage. */ + addi r4,r1,160 + + /* Now load up the pointer to the saved gpr registers. */ + addi r5,r1,200 + + /* Now load up the pointer to the saved fpr registers. */ + addi r6,r1,56 + + /* Make the call. */ + bl Lffi_closure_helper_DARWIN$stub + + /* Now r3 contains the return type + so use it to look up in a table + so we know how to deal with each type. */ + + /* Look up the proper starting point in table + by using return type as offset. */ + addi r5,r1,160 /* Get pointer to results area. */ + bl Lget_ret_type0_addr /* Get pointer to Lret_type0 into LR. */ + mflr r4 /* Move to r4. */ + slwi r3,r3,4 /* Now multiply return type by 16. */ + add r3,r3,r4 /* Add contents of table to table address. */ + mtctr r3 + bctr /* Jump to it. */ +LFE1: +/* Each of the ret_typeX code fragments has to be exactly 16 bytes long + (4 instructions). For cache effectiveness we align to a 16 byte boundary + first. */ + + .align 4 + + nop + nop + nop +Lget_ret_type0_addr: + blrl + +/* case FFI_TYPE_VOID */ +Lret_type0: + b Lfinish + nop + nop + nop + +/* case FFI_TYPE_INT */ +Lret_type1: + lwz r3,0(r5) + b Lfinish + nop + nop + +/* case FFI_TYPE_FLOAT */ +Lret_type2: + lfs f1,0(r5) + b Lfinish + nop + nop + +/* case FFI_TYPE_DOUBLE */ +Lret_type3: + lfd f1,0(r5) + b Lfinish + nop + nop + +/* case FFI_TYPE_LONGDOUBLE */ +Lret_type4: + lfd f1,0(r5) + lfd f2,8(r5) + b Lfinish + nop + +/* case FFI_TYPE_UINT8 */ +Lret_type5: + lbz r3,3(r5) + b Lfinish + nop + nop + +/* case FFI_TYPE_SINT8 */ +Lret_type6: + lbz r3,3(r5) + extsb r3,r3 + b Lfinish + nop + +/* case FFI_TYPE_UINT16 */ +Lret_type7: + lhz r3,2(r5) + b Lfinish + nop + nop + +/* case FFI_TYPE_SINT16 */ +Lret_type8: + lha r3,2(r5) + b Lfinish + nop + nop + +/* case FFI_TYPE_UINT32 */ +Lret_type9: + lwz r3,0(r5) + b Lfinish + nop + nop + +/* case FFI_TYPE_SINT32 */ +Lret_type10: + lwz r3,0(r5) + b Lfinish + nop + nop + +/* case FFI_TYPE_UINT64 */ +Lret_type11: + lwz r3,0(r5) + lwz r4,4(r5) + b Lfinish + nop + +/* case FFI_TYPE_SINT64 */ +Lret_type12: + lwz r3,0(r5) + lwz r4,4(r5) + b Lfinish + nop + +/* case FFI_TYPE_STRUCT */ +Lret_type13: + b Lfinish + nop + nop + nop + +/* case FFI_TYPE_POINTER */ +Lret_type14: + lwz r3,0(r5) + b Lfinish + nop + nop + +/* case done */ +Lfinish: + addi r1,r1,176 /* Restore stack pointer. */ + lwz r0,8(r1) /* Get return address. */ + mtlr r0 /* Reset link register. */ + blr + +/* END(ffi_closure_ASM) */ + +.data +.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support +EH_frame1: + .set L$set$0,LECIE1-LSCIE1 + .long L$set$0 ; Length of Common Information Entry +LSCIE1: + .long 0x0 ; CIE Identifier Tag + .byte 0x1 ; CIE Version + .ascii "zR\0" ; CIE Augmentation + .byte 0x1 ; uleb128 0x1; CIE Code Alignment Factor + .byte 0x7c ; sleb128 -4; CIE Data Alignment Factor + .byte 0x41 ; CIE RA Column + .byte 0x1 ; uleb128 0x1; Augmentation size + .byte 0x90 ; FDE Encoding (indirect pcrel) + .byte 0xc ; DW_CFA_def_cfa + .byte 0x1 ; uleb128 0x1 + .byte 0x0 ; uleb128 0x0 + .align LOG2_GPR_BYTES +LECIE1: +.globl _ffi_closure_ASM.eh +_ffi_closure_ASM.eh: +LSFDE1: + .set L$set$1,LEFDE1-LASFDE1 + .long L$set$1 ; FDE Length + +LASFDE1: + .long LASFDE1-EH_frame1 ; FDE CIE offset + .g_long LLFB1$non_lazy_ptr-. ; FDE initial location + .set L$set$3,LFE1-LFB1 + .g_long L$set$3 ; FDE address range + .byte 0x0 ; uleb128 0x0; Augmentation size + .byte 0x4 ; DW_CFA_advance_loc4 + .set L$set$3,LCFI1-LCFI0 + .long L$set$3 + .byte 0xe ; DW_CFA_def_cfa_offset + .byte 176,1 ; uleb128 176 + .byte 0x4 ; DW_CFA_advance_loc4 + .set L$set$4,LCFI0-LFB1 + .long L$set$4 + .byte 0x11 ; DW_CFA_offset_extended_sf + .byte 0x41 ; uleb128 0x41 + .byte 0x7e ; sleb128 -2 + .align LOG2_GPR_BYTES +LEFDE1: +.data + .align LOG2_GPR_BYTES +LDFCM0: +.section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32 + .align LOG2_GPR_BYTES +Lffi_closure_helper_DARWIN$stub: +#if 1 + .indirect_symbol _ffi_closure_helper_DARWIN + mflr r0 + bcl 20,31,LO$ffi_closure_helper_DARWIN +LO$ffi_closure_helper_DARWIN: + mflr r11 + addis r11,r11,ha16(L_ffi_closure_helper_DARWIN$lazy_ptr - LO$ffi_closure_helper_DARWIN) + mtlr r0 + lgu r12,lo16(L_ffi_closure_helper_DARWIN$lazy_ptr - LO$ffi_closure_helper_DARWIN)(r11) + mtctr r12 + bctr +.lazy_symbol_pointer +L_ffi_closure_helper_DARWIN$lazy_ptr: + .indirect_symbol _ffi_closure_helper_DARWIN + .g_long dyld_stub_binding_helper +#endif +.data + .align LOG2_GPR_BYTES +LLFB1$non_lazy_ptr: + .g_long LFB1 diff --git a/gcc-4.2.1/libffi/src/powerpc/ffi.c b/gcc-4.2.1/libffi/src/powerpc/ffi.c new file mode 100644 index 000000000..57504a02f --- /dev/null +++ b/gcc-4.2.1/libffi/src/powerpc/ffi.c @@ -0,0 +1,1298 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 1998 Geoffrey Keating + + PowerPC Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> +#include <stdio.h> + + +extern void ffi_closure_SYSV (void); +extern void FFI_HIDDEN ffi_closure_LINUX64 (void); + +enum { + /* The assembly depends on these exact flags. */ + FLAG_RETURNS_SMST = 1 << (31-31), /* Used for FFI_SYSV small structs. */ + FLAG_RETURNS_NOTHING = 1 << (31-30), /* These go in cr7 */ + FLAG_RETURNS_FP = 1 << (31-29), + FLAG_RETURNS_64BITS = 1 << (31-28), + FLAG_RETURNS_128BITS = 1 << (31-27), + + FLAG_ARG_NEEDS_COPY = 1 << (31- 7), + FLAG_FP_ARGUMENTS = 1 << (31- 6), /* cr1.eq; specified by ABI */ + FLAG_4_GPR_ARGUMENTS = 1 << (31- 5), + FLAG_RETVAL_REFERENCE = 1 << (31- 4) +}; + +/* About the SYSV ABI. */ +enum { + NUM_GPR_ARG_REGISTERS = 8, + NUM_FPR_ARG_REGISTERS = 8 +}; +enum { ASM_NEEDS_REGISTERS = 4 }; + +/* ffi_prep_args_SYSV is called by the assembly routine once stack space + has been allocated for the function's arguments. + + The stack layout we want looks like this: + + | Return address from ffi_call_SYSV 4bytes | higher addresses + |--------------------------------------------| + | Previous backchain pointer 4 | stack pointer here + |--------------------------------------------|<+ <<< on entry to + | Saved r28-r31 4*4 | | ffi_call_SYSV + |--------------------------------------------| | + | GPR registers r3-r10 8*4 | | ffi_call_SYSV + |--------------------------------------------| | + | FPR registers f1-f8 (optional) 8*8 | | + |--------------------------------------------| | stack | + | Space for copied structures | | grows | + |--------------------------------------------| | down V + | Parameters that didn't fit in registers | | + |--------------------------------------------| | lower addresses + | Space for callee's LR 4 | | + |--------------------------------------------| | stack pointer here + | Current backchain pointer 4 |-/ during + |--------------------------------------------| <<< ffi_call_SYSV + +*/ + +void +ffi_prep_args_SYSV (extended_cif *ecif, unsigned *const stack) +{ + const unsigned bytes = ecif->cif->bytes; + const unsigned flags = ecif->cif->flags; + + typedef union { + char *c; + unsigned *u; + long long *ll; + float *f; + double *d; + } valp; + + /* 'stacktop' points at the previous backchain pointer. */ + valp stacktop; + + /* 'gpr_base' points at the space for gpr3, and grows upwards as + we use GPR registers. */ + valp gpr_base; + int intarg_count; + + /* 'fpr_base' points at the space for fpr1, and grows upwards as + we use FPR registers. */ + valp fpr_base; + int fparg_count; + + /* 'copy_space' grows down as we put structures in it. It should + stay 16-byte aligned. */ + valp copy_space; + + /* 'next_arg' grows up as we put parameters in it. */ + valp next_arg; + + int i; + ffi_type **ptr; + double double_tmp; + union { + void **v; + char **c; + signed char **sc; + unsigned char **uc; + signed short **ss; + unsigned short **us; + unsigned int **ui; + long long **ll; + float **f; + double **d; + } p_argv; + size_t struct_copy_size; + unsigned gprvalue; + + stacktop.c = (char *) stack + bytes; + gpr_base.u = stacktop.u - ASM_NEEDS_REGISTERS - NUM_GPR_ARG_REGISTERS; + intarg_count = 0; + fpr_base.d = gpr_base.d - NUM_FPR_ARG_REGISTERS; + fparg_count = 0; + copy_space.c = ((flags & FLAG_FP_ARGUMENTS) ? fpr_base.c : gpr_base.c); + next_arg.u = stack + 2; + + /* Check that everything starts aligned properly. */ + FFI_ASSERT (((unsigned) (char *) stack & 0xF) == 0); + FFI_ASSERT (((unsigned) copy_space.c & 0xF) == 0); + FFI_ASSERT (((unsigned) stacktop.c & 0xF) == 0); + FFI_ASSERT ((bytes & 0xF) == 0); + FFI_ASSERT (copy_space.c >= next_arg.c); + + /* Deal with return values that are actually pass-by-reference. */ + if (flags & FLAG_RETVAL_REFERENCE) + { + *gpr_base.u++ = (unsigned long) (char *) ecif->rvalue; + intarg_count++; + } + + /* Now for the arguments. */ + p_argv.v = ecif->avalue; + for (ptr = ecif->cif->arg_types, i = ecif->cif->nargs; + i > 0; + i--, ptr++, p_argv.v++) + { + switch ((*ptr)->type) + { + case FFI_TYPE_FLOAT: + double_tmp = **p_argv.f; + if (fparg_count >= NUM_FPR_ARG_REGISTERS) + { + *next_arg.f = (float) double_tmp; + next_arg.u += 1; + } + else + *fpr_base.d++ = double_tmp; + fparg_count++; + FFI_ASSERT (flags & FLAG_FP_ARGUMENTS); + break; + + case FFI_TYPE_DOUBLE: + double_tmp = **p_argv.d; + + if (fparg_count >= NUM_FPR_ARG_REGISTERS) + { + if (intarg_count >= NUM_GPR_ARG_REGISTERS + && intarg_count % 2 != 0) + { + intarg_count++; + next_arg.u++; + } + *next_arg.d = double_tmp; + next_arg.u += 2; + } + else + *fpr_base.d++ = double_tmp; + fparg_count++; + FFI_ASSERT (flags & FLAG_FP_ARGUMENTS); + break; + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: + if (ecif->cif->abi != FFI_LINUX) + goto do_struct; + double_tmp = (*p_argv.d)[0]; + + if (fparg_count >= NUM_FPR_ARG_REGISTERS - 1) + { + if (intarg_count >= NUM_GPR_ARG_REGISTERS + && intarg_count % 2 != 0) + { + intarg_count++; + next_arg.u++; + } + *next_arg.d = double_tmp; + next_arg.u += 2; + double_tmp = (*p_argv.d)[1]; + *next_arg.d = double_tmp; + next_arg.u += 2; + } + else + { + *fpr_base.d++ = double_tmp; + double_tmp = (*p_argv.d)[1]; + *fpr_base.d++ = double_tmp; + } + + fparg_count += 2; + FFI_ASSERT (flags & FLAG_FP_ARGUMENTS); + break; +#endif + + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + if (intarg_count == NUM_GPR_ARG_REGISTERS-1) + intarg_count++; + if (intarg_count >= NUM_GPR_ARG_REGISTERS) + { + if (intarg_count % 2 != 0) + { + intarg_count++; + next_arg.u++; + } + *next_arg.ll = **p_argv.ll; + next_arg.u += 2; + } + else + { + /* whoops: abi states only certain register pairs + * can be used for passing long long int + * specifically (r3,r4), (r5,r6), (r7,r8), + * (r9,r10) and if next arg is long long but + * not correct starting register of pair then skip + * until the proper starting register + */ + if (intarg_count % 2 != 0) + { + intarg_count ++; + gpr_base.u++; + } + *gpr_base.ll++ = **p_argv.ll; + } + intarg_count += 2; + break; + + case FFI_TYPE_STRUCT: +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + do_struct: +#endif + struct_copy_size = ((*ptr)->size + 15) & ~0xF; + copy_space.c -= struct_copy_size; + memcpy (copy_space.c, *p_argv.c, (*ptr)->size); + + gprvalue = (unsigned long) copy_space.c; + + FFI_ASSERT (copy_space.c > next_arg.c); + FFI_ASSERT (flags & FLAG_ARG_NEEDS_COPY); + goto putgpr; + + case FFI_TYPE_UINT8: + gprvalue = **p_argv.uc; + goto putgpr; + case FFI_TYPE_SINT8: + gprvalue = **p_argv.sc; + goto putgpr; + case FFI_TYPE_UINT16: + gprvalue = **p_argv.us; + goto putgpr; + case FFI_TYPE_SINT16: + gprvalue = **p_argv.ss; + goto putgpr; + + case FFI_TYPE_INT: + case FFI_TYPE_UINT32: + case FFI_TYPE_SINT32: + case FFI_TYPE_POINTER: + gprvalue = **p_argv.ui; + + putgpr: + if (intarg_count >= NUM_GPR_ARG_REGISTERS) + *next_arg.u++ = gprvalue; + else + *gpr_base.u++ = gprvalue; + intarg_count++; + break; + } + } + + /* Check that we didn't overrun the stack... */ + FFI_ASSERT (copy_space.c >= next_arg.c); + FFI_ASSERT (gpr_base.u <= stacktop.u - ASM_NEEDS_REGISTERS); + FFI_ASSERT (fpr_base.u + <= stacktop.u - ASM_NEEDS_REGISTERS - NUM_GPR_ARG_REGISTERS); + FFI_ASSERT (flags & FLAG_4_GPR_ARGUMENTS || intarg_count <= 4); +} + +/* About the LINUX64 ABI. */ +enum { + NUM_GPR_ARG_REGISTERS64 = 8, + NUM_FPR_ARG_REGISTERS64 = 13 +}; +enum { ASM_NEEDS_REGISTERS64 = 4 }; + +/* ffi_prep_args64 is called by the assembly routine once stack space + has been allocated for the function's arguments. + + The stack layout we want looks like this: + + | Ret addr from ffi_call_LINUX64 8bytes | higher addresses + |--------------------------------------------| + | CR save area 8bytes | + |--------------------------------------------| + | Previous backchain pointer 8 | stack pointer here + |--------------------------------------------|<+ <<< on entry to + | Saved r28-r31 4*8 | | ffi_call_LINUX64 + |--------------------------------------------| | + | GPR registers r3-r10 8*8 | | + |--------------------------------------------| | + | FPR registers f1-f13 (optional) 13*8 | | + |--------------------------------------------| | + | Parameter save area | | + |--------------------------------------------| | + | TOC save area 8 | | + |--------------------------------------------| | stack | + | Linker doubleword 8 | | grows | + |--------------------------------------------| | down V + | Compiler doubleword 8 | | + |--------------------------------------------| | lower addresses + | Space for callee's LR 8 | | + |--------------------------------------------| | + | CR save area 8 | | + |--------------------------------------------| | stack pointer here + | Current backchain pointer 8 |-/ during + |--------------------------------------------| <<< ffi_call_LINUX64 + +*/ + +void FFI_HIDDEN +ffi_prep_args64 (extended_cif *ecif, unsigned long *const stack) +{ + const unsigned long bytes = ecif->cif->bytes; + const unsigned long flags = ecif->cif->flags; + + typedef union { + char *c; + unsigned long *ul; + float *f; + double *d; + } valp; + + /* 'stacktop' points at the previous backchain pointer. */ + valp stacktop; + + /* 'next_arg' points at the space for gpr3, and grows upwards as + we use GPR registers, then continues at rest. */ + valp gpr_base; + valp gpr_end; + valp rest; + valp next_arg; + + /* 'fpr_base' points at the space for fpr3, and grows upwards as + we use FPR registers. */ + valp fpr_base; + int fparg_count; + + int i, words; + ffi_type **ptr; + double double_tmp; + union { + void **v; + char **c; + signed char **sc; + unsigned char **uc; + signed short **ss; + unsigned short **us; + signed int **si; + unsigned int **ui; + unsigned long **ul; + float **f; + double **d; + } p_argv; + unsigned long gprvalue; + + stacktop.c = (char *) stack + bytes; + gpr_base.ul = stacktop.ul - ASM_NEEDS_REGISTERS64 - NUM_GPR_ARG_REGISTERS64; + gpr_end.ul = gpr_base.ul + NUM_GPR_ARG_REGISTERS64; + rest.ul = stack + 6 + NUM_GPR_ARG_REGISTERS64; + fpr_base.d = gpr_base.d - NUM_FPR_ARG_REGISTERS64; + fparg_count = 0; + next_arg.ul = gpr_base.ul; + + /* Check that everything starts aligned properly. */ + FFI_ASSERT (((unsigned long) (char *) stack & 0xF) == 0); + FFI_ASSERT (((unsigned long) stacktop.c & 0xF) == 0); + FFI_ASSERT ((bytes & 0xF) == 0); + + /* Deal with return values that are actually pass-by-reference. */ + if (flags & FLAG_RETVAL_REFERENCE) + *next_arg.ul++ = (unsigned long) (char *) ecif->rvalue; + + /* Now for the arguments. */ + p_argv.v = ecif->avalue; + for (ptr = ecif->cif->arg_types, i = ecif->cif->nargs; + i > 0; + i--, ptr++, p_argv.v++) + { + switch ((*ptr)->type) + { + case FFI_TYPE_FLOAT: + double_tmp = **p_argv.f; + *next_arg.f = (float) double_tmp; + if (++next_arg.ul == gpr_end.ul) + next_arg.ul = rest.ul; + if (fparg_count < NUM_FPR_ARG_REGISTERS64) + *fpr_base.d++ = double_tmp; + fparg_count++; + FFI_ASSERT (flags & FLAG_FP_ARGUMENTS); + break; + + case FFI_TYPE_DOUBLE: + double_tmp = **p_argv.d; + *next_arg.d = double_tmp; + if (++next_arg.ul == gpr_end.ul) + next_arg.ul = rest.ul; + if (fparg_count < NUM_FPR_ARG_REGISTERS64) + *fpr_base.d++ = double_tmp; + fparg_count++; + FFI_ASSERT (flags & FLAG_FP_ARGUMENTS); + break; + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: + double_tmp = (*p_argv.d)[0]; + *next_arg.d = double_tmp; + if (++next_arg.ul == gpr_end.ul) + next_arg.ul = rest.ul; + if (fparg_count < NUM_FPR_ARG_REGISTERS64) + *fpr_base.d++ = double_tmp; + fparg_count++; + double_tmp = (*p_argv.d)[1]; + *next_arg.d = double_tmp; + if (++next_arg.ul == gpr_end.ul) + next_arg.ul = rest.ul; + if (fparg_count < NUM_FPR_ARG_REGISTERS64) + *fpr_base.d++ = double_tmp; + fparg_count++; + FFI_ASSERT (__LDBL_MANT_DIG__ == 106); + FFI_ASSERT (flags & FLAG_FP_ARGUMENTS); + break; +#endif + + case FFI_TYPE_STRUCT: + words = ((*ptr)->size + 7) / 8; + if (next_arg.ul >= gpr_base.ul && next_arg.ul + words > gpr_end.ul) + { + size_t first = gpr_end.c - next_arg.c; + memcpy (next_arg.c, *p_argv.c, first); + memcpy (rest.c, *p_argv.c + first, (*ptr)->size - first); + next_arg.c = rest.c + words * 8 - first; + } + else + { + char *where = next_arg.c; + + /* Structures with size less than eight bytes are passed + left-padded. */ + if ((*ptr)->size < 8) + where += 8 - (*ptr)->size; + + memcpy (where, *p_argv.c, (*ptr)->size); + next_arg.ul += words; + if (next_arg.ul == gpr_end.ul) + next_arg.ul = rest.ul; + } + break; + + case FFI_TYPE_UINT8: + gprvalue = **p_argv.uc; + goto putgpr; + case FFI_TYPE_SINT8: + gprvalue = **p_argv.sc; + goto putgpr; + case FFI_TYPE_UINT16: + gprvalue = **p_argv.us; + goto putgpr; + case FFI_TYPE_SINT16: + gprvalue = **p_argv.ss; + goto putgpr; + case FFI_TYPE_UINT32: + gprvalue = **p_argv.ui; + goto putgpr; + case FFI_TYPE_INT: + case FFI_TYPE_SINT32: + gprvalue = **p_argv.si; + goto putgpr; + + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + case FFI_TYPE_POINTER: + gprvalue = **p_argv.ul; + putgpr: + *next_arg.ul++ = gprvalue; + if (next_arg.ul == gpr_end.ul) + next_arg.ul = rest.ul; + break; + } + } + + FFI_ASSERT (flags & FLAG_4_GPR_ARGUMENTS + || (next_arg.ul >= gpr_base.ul + && next_arg.ul <= gpr_base.ul + 4)); +} + + + +/* Perform machine dependent cif processing */ +ffi_status +ffi_prep_cif_machdep (ffi_cif *cif) +{ + /* All this is for the SYSV and LINUX64 ABI. */ + int i; + ffi_type **ptr; + unsigned bytes; + int fparg_count = 0, intarg_count = 0; + unsigned flags = 0; + unsigned struct_copy_size = 0; + unsigned type = cif->rtype->type; + unsigned size = cif->rtype->size; + + if (cif->abi != FFI_LINUX64) + { + /* All the machine-independent calculation of cif->bytes will be wrong. + Redo the calculation for SYSV. */ + + /* Space for the frame pointer, callee's LR, and the asm's temp regs. */ + bytes = (2 + ASM_NEEDS_REGISTERS) * sizeof (int); + + /* Space for the GPR registers. */ + bytes += NUM_GPR_ARG_REGISTERS * sizeof (int); + } + else + { + /* 64-bit ABI. */ + + /* Space for backchain, CR, LR, cc/ld doubleword, TOC and the asm's temp + regs. */ + bytes = (6 + ASM_NEEDS_REGISTERS64) * sizeof (long); + + /* Space for the mandatory parm save area and general registers. */ + bytes += 2 * NUM_GPR_ARG_REGISTERS64 * sizeof (long); + } + + /* Return value handling. The rules for SYSV are as follows: + - 32-bit (or less) integer values are returned in gpr3; + - Structures of size <= 4 bytes also returned in gpr3; + - 64-bit integer values and structures between 5 and 8 bytes are returned + in gpr3 and gpr4; + - Single/double FP values are returned in fpr1; + - Larger structures are allocated space and a pointer is passed as + the first argument. + - long doubles (if not equivalent to double) are returned in + fpr1,fpr2 for Linux and as for large structs for SysV. + For LINUX64: + - integer values in gpr3; + - Structures/Unions by reference; + - Single/double FP values in fpr1, long double in fpr1,fpr2. */ + switch (type) + { +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: + if (cif->abi != FFI_LINUX && cif->abi != FFI_LINUX64) + goto byref; + + flags |= FLAG_RETURNS_128BITS; + /* Fall through. */ +#endif + case FFI_TYPE_DOUBLE: + flags |= FLAG_RETURNS_64BITS; + /* Fall through. */ + case FFI_TYPE_FLOAT: + flags |= FLAG_RETURNS_FP; + break; + + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + flags |= FLAG_RETURNS_64BITS; + break; + + case FFI_TYPE_STRUCT: + if (cif->abi == FFI_SYSV) + { + /* The final SYSV ABI says that structures smaller or equal 8 bytes + are returned in r3/r4. The FFI_GCC_SYSV ABI instead returns them + in memory. */ + + /* Treat structs with size <= 8 bytes. */ + if (size <= 8) + { + flags |= FLAG_RETURNS_SMST; + /* These structs are returned in r3. We pack the type and the + precalculated shift value (needed in the sysv.S) into flags. + The same applies for the structs returned in r3/r4. */ + if (size <= 4) + { + flags |= 1 << (31 - FFI_SYSV_TYPE_SMALL_STRUCT - 1); + flags |= 8 * (4 - size) << 4; + break; + } + /* These structs are returned in r3 and r4. See above. */ + if (size <= 8) + { + flags |= 1 << (31 - FFI_SYSV_TYPE_SMALL_STRUCT - 2); + flags |= 8 * (8 - size) << 4; + break; + } + } + } +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + byref: +#endif + intarg_count++; + flags |= FLAG_RETVAL_REFERENCE; + /* Fall through. */ + case FFI_TYPE_VOID: + flags |= FLAG_RETURNS_NOTHING; + break; + + default: + /* Returns 32-bit integer, or similar. Nothing to do here. */ + break; + } + + if (cif->abi != FFI_LINUX64) + /* The first NUM_GPR_ARG_REGISTERS words of integer arguments, and the + first NUM_FPR_ARG_REGISTERS fp arguments, go in registers; the rest + goes on the stack. Structures and long doubles (if not equivalent + to double) are passed as a pointer to a copy of the structure. + Stuff on the stack needs to keep proper alignment. */ + for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++) + { + switch ((*ptr)->type) + { + case FFI_TYPE_FLOAT: + fparg_count++; + /* floating singles are not 8-aligned on stack */ + break; + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: + if (cif->abi != FFI_LINUX) + goto do_struct; + fparg_count++; + /* Fall thru */ +#endif + case FFI_TYPE_DOUBLE: + fparg_count++; + /* If this FP arg is going on the stack, it must be + 8-byte-aligned. */ + if (fparg_count > NUM_FPR_ARG_REGISTERS + && intarg_count >= NUM_GPR_ARG_REGISTERS + && intarg_count % 2 != 0) + intarg_count++; + break; + + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + /* 'long long' arguments are passed as two words, but + either both words must fit in registers or both go + on the stack. If they go on the stack, they must + be 8-byte-aligned. + + Also, only certain register pairs can be used for + passing long long int -- specifically (r3,r4), (r5,r6), + (r7,r8), (r9,r10). + */ + if (intarg_count == NUM_GPR_ARG_REGISTERS-1 + || intarg_count % 2 != 0) + intarg_count++; + intarg_count += 2; + break; + + case FFI_TYPE_STRUCT: +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + do_struct: +#endif + /* We must allocate space for a copy of these to enforce + pass-by-value. Pad the space up to a multiple of 16 + bytes (the maximum alignment required for anything under + the SYSV ABI). */ + struct_copy_size += ((*ptr)->size + 15) & ~0xF; + /* Fall through (allocate space for the pointer). */ + + default: + /* Everything else is passed as a 4-byte word in a GPR, either + the object itself or a pointer to it. */ + intarg_count++; + break; + } + } + else + for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++) + { + switch ((*ptr)->type) + { +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: + fparg_count += 2; + intarg_count += 2; + break; +#endif + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + fparg_count++; + intarg_count++; + break; + + case FFI_TYPE_STRUCT: + intarg_count += ((*ptr)->size + 7) / 8; + break; + + default: + /* Everything else is passed as a 8-byte word in a GPR, either + the object itself or a pointer to it. */ + intarg_count++; + break; + } + } + + if (fparg_count != 0) + flags |= FLAG_FP_ARGUMENTS; + if (intarg_count > 4) + flags |= FLAG_4_GPR_ARGUMENTS; + if (struct_copy_size != 0) + flags |= FLAG_ARG_NEEDS_COPY; + + if (cif->abi != FFI_LINUX64) + { + /* Space for the FPR registers, if needed. */ + if (fparg_count != 0) + bytes += NUM_FPR_ARG_REGISTERS * sizeof (double); + + /* Stack space. */ + if (intarg_count > NUM_GPR_ARG_REGISTERS) + bytes += (intarg_count - NUM_GPR_ARG_REGISTERS) * sizeof (int); + if (fparg_count > NUM_FPR_ARG_REGISTERS) + bytes += (fparg_count - NUM_FPR_ARG_REGISTERS) * sizeof (double); + } + else + { + /* Space for the FPR registers, if needed. */ + if (fparg_count != 0) + bytes += NUM_FPR_ARG_REGISTERS64 * sizeof (double); + + /* Stack space. */ + if (intarg_count > NUM_GPR_ARG_REGISTERS64) + bytes += (intarg_count - NUM_GPR_ARG_REGISTERS64) * sizeof (long); + } + + /* The stack space allocated needs to be a multiple of 16 bytes. */ + bytes = (bytes + 15) & ~0xF; + + /* Add in the space for the copied structures. */ + bytes += struct_copy_size; + + cif->flags = flags; + cif->bytes = bytes; + + return FFI_OK; +} + +extern void ffi_call_SYSV(extended_cif *, unsigned, unsigned, unsigned *, + void (*fn)()); +extern void FFI_HIDDEN ffi_call_LINUX64(extended_cif *, unsigned long, + unsigned long, unsigned long *, + void (*fn)()); + +void +ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + extended_cif ecif; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return */ + /* value address then we need to make one */ + + if ((rvalue == NULL) && (cif->rtype->type == FFI_TYPE_STRUCT)) + { + ecif.rvalue = alloca(cif->rtype->size); + } + else + ecif.rvalue = rvalue; + + + switch (cif->abi) + { +#ifndef POWERPC64 + case FFI_SYSV: + case FFI_GCC_SYSV: + case FFI_LINUX: + ffi_call_SYSV (&ecif, -cif->bytes, cif->flags, ecif.rvalue, fn); + break; +#else + case FFI_LINUX64: + ffi_call_LINUX64 (&ecif, -(long) cif->bytes, cif->flags, ecif.rvalue, fn); + break; +#endif + default: + FFI_ASSERT (0); + break; + } +} + + +#ifndef POWERPC64 +#define MIN_CACHE_LINE_SIZE 8 + +static void +flush_icache (char *addr1, int size) +{ + int i; + char * addr; + for (i = 0; i < size; i += MIN_CACHE_LINE_SIZE) + { + addr = addr1 + i; + __asm__ volatile ("icbi 0,%0;" "dcbf 0,%0;" + : : "r" (addr) : "memory"); + } + addr = addr1 + size - 1; + __asm__ volatile ("icbi 0,%0;" "dcbf 0,%0;" "sync;" "isync;" + : : "r"(addr) : "memory"); +} +#endif + +ffi_status +ffi_prep_closure (ffi_closure *closure, + ffi_cif *cif, + void (*fun) (ffi_cif *, void *, void **, void *), + void *user_data) +{ +#ifdef POWERPC64 + void **tramp = (void **) &closure->tramp[0]; + + FFI_ASSERT (cif->abi == FFI_LINUX64); + /* Copy function address and TOC from ffi_closure_LINUX64. */ + memcpy (tramp, (char *) ffi_closure_LINUX64, 16); + tramp[2] = (void *) closure; +#else + unsigned int *tramp; + + FFI_ASSERT (cif->abi == FFI_GCC_SYSV || cif->abi == FFI_SYSV); + + tramp = (unsigned int *) &closure->tramp[0]; + tramp[0] = 0x7c0802a6; /* mflr r0 */ + tramp[1] = 0x4800000d; /* bl 10 <trampoline_initial+0x10> */ + tramp[4] = 0x7d6802a6; /* mflr r11 */ + tramp[5] = 0x7c0803a6; /* mtlr r0 */ + tramp[6] = 0x800b0000; /* lwz r0,0(r11) */ + tramp[7] = 0x816b0004; /* lwz r11,4(r11) */ + tramp[8] = 0x7c0903a6; /* mtctr r0 */ + tramp[9] = 0x4e800420; /* bctr */ + *(void **) &tramp[2] = (void *) ffi_closure_SYSV; /* function */ + *(void **) &tramp[3] = (void *) closure; /* context */ + + /* Flush the icache. */ + flush_icache (&closure->tramp[0],FFI_TRAMPOLINE_SIZE); +#endif + + closure->cif = cif; + closure->fun = fun; + closure->user_data = user_data; + + return FFI_OK; +} + +typedef union +{ + float f; + double d; +} ffi_dblfl; + +int ffi_closure_helper_SYSV (ffi_closure *, void *, unsigned long *, + ffi_dblfl *, unsigned long *); + +/* Basically the trampoline invokes ffi_closure_SYSV, and on + * entry, r11 holds the address of the closure. + * After storing the registers that could possibly contain + * parameters to be passed into the stack frame and setting + * up space for a return value, ffi_closure_SYSV invokes the + * following helper function to do most of the work + */ + +int +ffi_closure_helper_SYSV (ffi_closure *closure, void *rvalue, + unsigned long *pgr, ffi_dblfl *pfr, + unsigned long *pst) +{ + /* rvalue is the pointer to space for return value in closure assembly */ + /* pgr is the pointer to where r3-r10 are stored in ffi_closure_SYSV */ + /* pfr is the pointer to where f1-f8 are stored in ffi_closure_SYSV */ + /* pst is the pointer to outgoing parameter stack in original caller */ + + void ** avalue; + ffi_type ** arg_types; + long i, avn; + long nf; /* number of floating registers already used */ + long ng; /* number of general registers already used */ + ffi_cif * cif; + double temp; + unsigned size; + + cif = closure->cif; + avalue = alloca (cif->nargs * sizeof (void *)); + size = cif->rtype->size; + + nf = 0; + ng = 0; + + /* Copy the caller's structure return value address so that the closure + returns the data directly to the caller. + For FFI_SYSV the result is passed in r3/r4 if the struct size is less + or equal 8 bytes. */ + + if ((cif->rtype->type == FFI_TYPE_STRUCT + && !((cif->abi == FFI_SYSV) && (size <= 8))) +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + || (cif->rtype->type == FFI_TYPE_LONGDOUBLE + && cif->abi != FFI_LINUX) +#endif + ) + { + rvalue = (void *) *pgr; + ng++; + pgr++; + } + + i = 0; + avn = cif->nargs; + arg_types = cif->arg_types; + + /* Grab the addresses of the arguments from the stack frame. */ + while (i < avn) + { + switch (arg_types[i]->type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + /* there are 8 gpr registers used to pass values */ + if (ng < 8) + { + avalue[i] = (char *) pgr + 3; + ng++; + pgr++; + } + else + { + avalue[i] = (char *) pst + 3; + pst++; + } + break; + + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + /* there are 8 gpr registers used to pass values */ + if (ng < 8) + { + avalue[i] = (char *) pgr + 2; + ng++; + pgr++; + } + else + { + avalue[i] = (char *) pst + 2; + pst++; + } + break; + + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT32: + case FFI_TYPE_POINTER: + /* there are 8 gpr registers used to pass values */ + if (ng < 8) + { + avalue[i] = pgr; + ng++; + pgr++; + } + else + { + avalue[i] = pst; + pst++; + } + break; + + case FFI_TYPE_STRUCT: +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + do_struct: +#endif + /* Structs are passed by reference. The address will appear in a + gpr if it is one of the first 8 arguments. */ + if (ng < 8) + { + avalue[i] = (void *) *pgr; + ng++; + pgr++; + } + else + { + avalue[i] = (void *) *pst; + pst++; + } + break; + + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + /* passing long long ints are complex, they must + * be passed in suitable register pairs such as + * (r3,r4) or (r5,r6) or (r6,r7), or (r7,r8) or (r9,r10) + * and if the entire pair aren't available then the outgoing + * parameter stack is used for both but an alignment of 8 + * must will be kept. So we must either look in pgr + * or pst to find the correct address for this type + * of parameter. + */ + if (ng < 7) + { + if (ng & 0x01) + { + /* skip r4, r6, r8 as starting points */ + ng++; + pgr++; + } + avalue[i] = pgr; + ng += 2; + pgr += 2; + } + else + { + if (((long) pst) & 4) + pst++; + avalue[i] = pst; + pst += 2; + } + break; + + case FFI_TYPE_FLOAT: + /* unfortunately float values are stored as doubles + * in the ffi_closure_SYSV code (since we don't check + * the type in that routine). + */ + + /* there are 8 64bit floating point registers */ + + if (nf < 8) + { + temp = pfr->d; + pfr->f = (float) temp; + avalue[i] = pfr; + nf++; + pfr++; + } + else + { + /* FIXME? here we are really changing the values + * stored in the original calling routines outgoing + * parameter stack. This is probably a really + * naughty thing to do but... + */ + avalue[i] = pst; + pst += 1; + } + break; + + case FFI_TYPE_DOUBLE: + /* On the outgoing stack all values are aligned to 8 */ + /* there are 8 64bit floating point registers */ + + if (nf < 8) + { + avalue[i] = pfr; + nf++; + pfr++; + } + else + { + if (((long) pst) & 4) + pst++; + avalue[i] = pst; + pst += 2; + } + break; + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: + if (cif->abi != FFI_LINUX) + goto do_struct; + + if (nf < 7) + { + avalue[i] = pfr; + pfr += 2; + nf += 2; + } + else + { + if (((long) pst) & 4) + pst++; + avalue[i] = pst; + pst += 4; + nf = 8; + } + break; +#endif + + default: + FFI_ASSERT (0); + } + + i++; + } + + + (closure->fun) (cif, rvalue, avalue, closure->user_data); + + /* Tell ffi_closure_SYSV how to perform return type promotions. + Because the FFI_SYSV ABI returns the structures <= 8 bytes in r3/r4 + we have to tell ffi_closure_SYSV how to treat them. */ + if (cif->abi == FFI_SYSV && cif->rtype->type == FFI_TYPE_STRUCT + && size <= 8) + return FFI_SYSV_TYPE_SMALL_STRUCT + size; +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + else if (cif->rtype->type == FFI_TYPE_LONGDOUBLE + && cif->abi != FFI_LINUX) + return FFI_TYPE_STRUCT; +#endif + return cif->rtype->type; +} + +int FFI_HIDDEN ffi_closure_helper_LINUX64 (ffi_closure *, void *, + unsigned long *, ffi_dblfl *); + +int FFI_HIDDEN +ffi_closure_helper_LINUX64 (ffi_closure *closure, void *rvalue, + unsigned long *pst, ffi_dblfl *pfr) +{ + /* rvalue is the pointer to space for return value in closure assembly */ + /* pst is the pointer to parameter save area + (r3-r10 are stored into its first 8 slots by ffi_closure_LINUX64) */ + /* pfr is the pointer to where f1-f13 are stored in ffi_closure_LINUX64 */ + + void **avalue; + ffi_type **arg_types; + long i, avn; + ffi_cif *cif; + ffi_dblfl *end_pfr = pfr + NUM_FPR_ARG_REGISTERS64; + + cif = closure->cif; + avalue = alloca (cif->nargs * sizeof (void *)); + + /* Copy the caller's structure return value address so that the closure + returns the data directly to the caller. */ + if (cif->rtype->type == FFI_TYPE_STRUCT) + { + rvalue = (void *) *pst; + pst++; + } + + i = 0; + avn = cif->nargs; + arg_types = cif->arg_types; + + /* Grab the addresses of the arguments from the stack frame. */ + while (i < avn) + { + switch (arg_types[i]->type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + avalue[i] = (char *) pst + 7; + pst++; + break; + + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + avalue[i] = (char *) pst + 6; + pst++; + break; + + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT32: + avalue[i] = (char *) pst + 4; + pst++; + break; + + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + case FFI_TYPE_POINTER: + avalue[i] = pst; + pst++; + break; + + case FFI_TYPE_STRUCT: + /* Structures with size less than eight bytes are passed + left-padded. */ + if (arg_types[i]->size < 8) + avalue[i] = (char *) pst + 8 - arg_types[i]->size; + else + avalue[i] = pst; + pst += (arg_types[i]->size + 7) / 8; + break; + + case FFI_TYPE_FLOAT: + /* unfortunately float values are stored as doubles + * in the ffi_closure_LINUX64 code (since we don't check + * the type in that routine). + */ + + /* there are 13 64bit floating point registers */ + + if (pfr < end_pfr) + { + double temp = pfr->d; + pfr->f = (float) temp; + avalue[i] = pfr; + pfr++; + } + else + avalue[i] = pst; + pst++; + break; + + case FFI_TYPE_DOUBLE: + /* On the outgoing stack all values are aligned to 8 */ + /* there are 13 64bit floating point registers */ + + if (pfr < end_pfr) + { + avalue[i] = pfr; + pfr++; + } + else + avalue[i] = pst; + pst++; + break; + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: + if (pfr + 1 < end_pfr) + { + avalue[i] = pfr; + pfr += 2; + } + else + { + if (pfr < end_pfr) + { + /* Passed partly in f13 and partly on the stack. + Move it all to the stack. */ + *pst = *(unsigned long *) pfr; + pfr++; + } + avalue[i] = pst; + } + pst += 2; + break; +#endif + + default: + FFI_ASSERT (0); + } + + i++; + } + + + (closure->fun) (cif, rvalue, avalue, closure->user_data); + + /* Tell ffi_closure_LINUX64 how to perform return type promotions. */ + return cif->rtype->type; +} diff --git a/gcc-4.2.1/libffi/src/powerpc/ffi_darwin.c b/gcc-4.2.1/libffi/src/powerpc/ffi_darwin.c new file mode 100644 index 000000000..1d4fb3423 --- /dev/null +++ b/gcc-4.2.1/libffi/src/powerpc/ffi_darwin.c @@ -0,0 +1,748 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 1998 Geoffrey Keating + + PowerPC Foreign Function Interface + + Darwin ABI support (c) 2001 John Hornkvist + AIX ABI support (c) 2002 Free Software Foundation, Inc. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> + +extern void ffi_closure_ASM(void); + +enum { + /* The assembly depends on these exact flags. */ + FLAG_RETURNS_NOTHING = 1 << (31-30), /* These go in cr7 */ + FLAG_RETURNS_FP = 1 << (31-29), + FLAG_RETURNS_64BITS = 1 << (31-28), + FLAG_RETURNS_128BITS = 1 << (31-31), + + FLAG_ARG_NEEDS_COPY = 1 << (31- 7), + FLAG_FP_ARGUMENTS = 1 << (31- 6), /* cr1.eq; specified by ABI */ + FLAG_4_GPR_ARGUMENTS = 1 << (31- 5), + FLAG_RETVAL_REFERENCE = 1 << (31- 4) +}; + +/* About the DARWIN ABI. */ +enum { + NUM_GPR_ARG_REGISTERS = 8, + NUM_FPR_ARG_REGISTERS = 13 +}; +enum { ASM_NEEDS_REGISTERS = 4 }; + +/* ffi_prep_args is called by the assembly routine once stack space + has been allocated for the function's arguments. + + The stack layout we want looks like this: + + | Return address from ffi_call_DARWIN | higher addresses + |--------------------------------------------| + | Previous backchain pointer 4 | stack pointer here + |--------------------------------------------|<+ <<< on entry to + | Saved r28-r31 4*4 | | ffi_call_DARWIN + |--------------------------------------------| | + | Parameters (at least 8*4=32) | | + |--------------------------------------------| | + | Space for GPR2 4 | | + |--------------------------------------------| | stack | + | Reserved 2*4 | | grows | + |--------------------------------------------| | down V + | Space for callee's LR 4 | | + |--------------------------------------------| | lower addresses + | Saved CR 4 | | + |--------------------------------------------| | stack pointer here + | Current backchain pointer 4 |-/ during + |--------------------------------------------| <<< ffi_call_DARWIN + + */ + +void ffi_prep_args(extended_cif *ecif, unsigned *const stack) +{ + const unsigned bytes = ecif->cif->bytes; + const unsigned flags = ecif->cif->flags; + + /* 'stacktop' points at the previous backchain pointer. */ + unsigned *const stacktop = stack + (bytes / sizeof(unsigned)); + + /* 'fpr_base' points at the space for fpr1, and grows upwards as + we use FPR registers. */ + double *fpr_base = (double*) (stacktop - ASM_NEEDS_REGISTERS) - NUM_FPR_ARG_REGISTERS; + int fparg_count = 0; + + + /* 'next_arg' grows up as we put parameters in it. */ + unsigned *next_arg = stack + 6; /* 6 reserved positions. */ + + int i = ecif->cif->nargs; + double double_tmp; + void **p_argv = ecif->avalue; + unsigned gprvalue; + ffi_type** ptr = ecif->cif->arg_types; + char *dest_cpy; + unsigned size_al = 0; + + /* Check that everything starts aligned properly. */ + FFI_ASSERT(((unsigned)(char *)stack & 0xF) == 0); + FFI_ASSERT(((unsigned)(char *)stacktop & 0xF) == 0); + FFI_ASSERT((bytes & 0xF) == 0); + + /* Deal with return values that are actually pass-by-reference. + Rule: + Return values are referenced by r3, so r4 is the first parameter. */ + + if (flags & FLAG_RETVAL_REFERENCE) + *next_arg++ = (unsigned)(char *)ecif->rvalue; + + /* Now for the arguments. */ + for (; + i > 0; + i--, ptr++, p_argv++) + { + switch ((*ptr)->type) + { + /* If a floating-point parameter appears before all of the general- + purpose registers are filled, the corresponding GPRs that match + the size of the floating-point parameter are skipped. */ + case FFI_TYPE_FLOAT: + double_tmp = *(float *)*p_argv; + if (fparg_count >= NUM_FPR_ARG_REGISTERS) + *(double *)next_arg = double_tmp; + else + *fpr_base++ = double_tmp; + next_arg++; + fparg_count++; + FFI_ASSERT(flags & FLAG_FP_ARGUMENTS); + break; + + case FFI_TYPE_DOUBLE: + double_tmp = *(double *)*p_argv; + if (fparg_count >= NUM_FPR_ARG_REGISTERS) + *(double *)next_arg = double_tmp; + else + *fpr_base++ = double_tmp; + next_arg += 2; + fparg_count++; + FFI_ASSERT(flags & FLAG_FP_ARGUMENTS); + break; + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + + case FFI_TYPE_LONGDOUBLE: + double_tmp = ((double *)*p_argv)[0]; + if (fparg_count >= NUM_FPR_ARG_REGISTERS) + *(double *)next_arg = double_tmp; + else + *fpr_base++ = double_tmp; + next_arg += 2; + fparg_count++; + double_tmp = ((double *)*p_argv)[1]; + if (fparg_count >= NUM_FPR_ARG_REGISTERS) + *(double *)next_arg = double_tmp; + else + *fpr_base++ = double_tmp; + next_arg += 2; + fparg_count++; + FFI_ASSERT(flags & FLAG_FP_ARGUMENTS); + break; +#endif + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + *(long long *)next_arg = *(long long *)*p_argv; + next_arg+=2; + break; + case FFI_TYPE_UINT8: + gprvalue = *(unsigned char *)*p_argv; + goto putgpr; + case FFI_TYPE_SINT8: + gprvalue = *(signed char *)*p_argv; + goto putgpr; + case FFI_TYPE_UINT16: + gprvalue = *(unsigned short *)*p_argv; + goto putgpr; + case FFI_TYPE_SINT16: + gprvalue = *(signed short *)*p_argv; + goto putgpr; + + case FFI_TYPE_STRUCT: + dest_cpy = (char *) next_arg; + + /* Structures that match the basic modes (QI 1 byte, HI 2 bytes, + SI 4 bytes) are aligned as if they were those modes. + Structures with 3 byte in size are padded upwards. */ + size_al = (*ptr)->size; + /* If the first member of the struct is a double, then align + the struct to double-word. + Type 3 is defined in include/ffi.h. #define FFI_TYPE_DOUBLE 3. */ + if ((*ptr)->elements[0]->type == 3) + size_al = ALIGN((*ptr)->size, 8); + if (size_al < 3 && ecif->cif->abi == FFI_DARWIN) + dest_cpy += 4 - size_al; + + memcpy((char *)dest_cpy, (char *)*p_argv, size_al); + next_arg += (size_al + 3) / 4; + break; + + case FFI_TYPE_INT: + case FFI_TYPE_UINT32: + case FFI_TYPE_SINT32: + case FFI_TYPE_POINTER: + gprvalue = *(unsigned *)*p_argv; + putgpr: + *next_arg++ = gprvalue; + break; + default: + break; + } + } + + /* Check that we didn't overrun the stack... */ + //FFI_ASSERT(gpr_base <= stacktop - ASM_NEEDS_REGISTERS); + //FFI_ASSERT((unsigned *)fpr_base + // <= stacktop - ASM_NEEDS_REGISTERS - NUM_GPR_ARG_REGISTERS); + //FFI_ASSERT(flags & FLAG_4_GPR_ARGUMENTS || intarg_count <= 4); +} + +/* Perform machine dependent cif processing. */ +ffi_status ffi_prep_cif_machdep(ffi_cif *cif) +{ + /* All this is for the DARWIN ABI. */ + int i; + ffi_type **ptr; + unsigned bytes; + int fparg_count = 0, intarg_count = 0; + unsigned flags = 0; + unsigned size_al = 0; + + /* All the machine-independent calculation of cif->bytes will be wrong. + Redo the calculation for DARWIN. */ + + /* Space for the frame pointer, callee's LR, CR, etc, and for + the asm's temp regs. */ + + bytes = (6 + ASM_NEEDS_REGISTERS) * sizeof(long); + + /* Return value handling. The rules are as follows: + - 32-bit (or less) integer values are returned in gpr3; + - Structures of size <= 4 bytes also returned in gpr3; + - 64-bit integer values and structures between 5 and 8 bytes are returned + in gpr3 and gpr4; + - Single/double FP values are returned in fpr1; + - Long double FP (if not equivalent to double) values are returned in + fpr1 and fpr2; + - Larger structures values are allocated space and a pointer is passed + as the first argument. */ + switch (cif->rtype->type) + { + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: + flags |= FLAG_RETURNS_128BITS; + flags |= FLAG_RETURNS_FP; + break; +#endif + + case FFI_TYPE_DOUBLE: + flags |= FLAG_RETURNS_64BITS; + /* Fall through. */ + case FFI_TYPE_FLOAT: + flags |= FLAG_RETURNS_FP; + break; + + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + flags |= FLAG_RETURNS_64BITS; + break; + + case FFI_TYPE_STRUCT: + flags |= FLAG_RETVAL_REFERENCE; + flags |= FLAG_RETURNS_NOTHING; + intarg_count++; + break; + case FFI_TYPE_VOID: + flags |= FLAG_RETURNS_NOTHING; + break; + + default: + /* Returns 32-bit integer, or similar. Nothing to do here. */ + break; + } + + /* The first NUM_GPR_ARG_REGISTERS words of integer arguments, and the + first NUM_FPR_ARG_REGISTERS fp arguments, go in registers; the rest + goes on the stack. Structures are passed as a pointer to a copy of + the structure. Stuff on the stack needs to keep proper alignment. */ + for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++) + { + switch ((*ptr)->type) + { + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + fparg_count++; + /* If this FP arg is going on the stack, it must be + 8-byte-aligned. */ + if (fparg_count > NUM_FPR_ARG_REGISTERS + && intarg_count%2 != 0) + intarg_count++; + break; + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + + case FFI_TYPE_LONGDOUBLE: + fparg_count += 2; + /* If this FP arg is going on the stack, it must be + 8-byte-aligned. */ + if (fparg_count > NUM_FPR_ARG_REGISTERS + && intarg_count%2 != 0) + intarg_count++; + intarg_count +=2; + break; +#endif + + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + /* 'long long' arguments are passed as two words, but + either both words must fit in registers or both go + on the stack. If they go on the stack, they must + be 8-byte-aligned. */ + if (intarg_count == NUM_GPR_ARG_REGISTERS-1 + || (intarg_count >= NUM_GPR_ARG_REGISTERS && intarg_count%2 != 0)) + intarg_count++; + intarg_count += 2; + break; + + case FFI_TYPE_STRUCT: + size_al = (*ptr)->size; + /* If the first member of the struct is a double, then align + the struct to double-word. + Type 3 is defined in include/ffi.h. #define FFI_TYPE_DOUBLE 3. */ + if ((*ptr)->elements[0]->type == 3) + size_al = ALIGN((*ptr)->size, 8); + intarg_count += (size_al + 3) / 4; + break; + + default: + /* Everything else is passed as a 4-byte word in a GPR, either + the object itself or a pointer to it. */ + intarg_count++; + break; + } + } + + if (fparg_count != 0) + flags |= FLAG_FP_ARGUMENTS; + + /* Space for the FPR registers, if needed. */ + if (fparg_count != 0) + bytes += NUM_FPR_ARG_REGISTERS * sizeof(double); + + /* Stack space. */ + if ((intarg_count + 2 * fparg_count) > NUM_GPR_ARG_REGISTERS) + bytes += (intarg_count + 2 * fparg_count) * sizeof(long); + else + bytes += NUM_GPR_ARG_REGISTERS * sizeof(long); + + /* The stack space allocated needs to be a multiple of 16 bytes. */ + bytes = (bytes + 15) & ~0xF; + + cif->flags = flags; + cif->bytes = bytes; + + return FFI_OK; +} + +extern void ffi_call_AIX(extended_cif *, unsigned, unsigned, unsigned *, + void (*fn)(), void (*fn2)()); +extern void ffi_call_DARWIN(extended_cif *, unsigned, unsigned, unsigned *, + void (*fn)(), void (*fn2)()); + +void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + extended_cif ecif; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return + value address then we need to make one. */ + + if ((rvalue == NULL) && + (cif->rtype->type == FFI_TYPE_STRUCT)) + { + ecif.rvalue = alloca(cif->rtype->size); + } + else + ecif.rvalue = rvalue; + + switch (cif->abi) + { + case FFI_AIX: + ffi_call_AIX(&ecif, -cif->bytes, cif->flags, ecif.rvalue, fn, + ffi_prep_args); + break; + case FFI_DARWIN: + ffi_call_DARWIN(&ecif, -cif->bytes, cif->flags, ecif.rvalue, fn, + ffi_prep_args); + break; + default: + FFI_ASSERT(0); + break; + } +} + +static void flush_icache(char *); +static void flush_range(char *, int); + +/* The layout of a function descriptor. A C function pointer really + points to one of these. */ + +typedef struct aix_fd_struct { + void *code_pointer; + void *toc; +} aix_fd; + +/* here I'd like to add the stack frame layout we use in darwin_closure.S + and aix_clsoure.S + + SP previous -> +---------------------------------------+ <--- child frame + | back chain to caller 4 | + +---------------------------------------+ 4 + | saved CR 4 | + +---------------------------------------+ 8 + | saved LR 4 | + +---------------------------------------+ 12 + | reserved for compilers 4 | + +---------------------------------------+ 16 + | reserved for binders 4 | + +---------------------------------------+ 20 + | saved TOC pointer 4 | + +---------------------------------------+ 24 + | always reserved 8*4=32 (previous GPRs)| + | according to the linkage convention | + | from AIX | + +---------------------------------------+ 56 + | our FPR area 13*8=104 | + | f1 | + | . | + | f13 | + +---------------------------------------+ 160 + | result area 8 | + +---------------------------------------+ 168 + | alignement to the next multiple of 16 | +SP current --> +---------------------------------------+ 176 <- parent frame + | back chain to caller 4 | + +---------------------------------------+ 180 + | saved CR 4 | + +---------------------------------------+ 184 + | saved LR 4 | + +---------------------------------------+ 188 + | reserved for compilers 4 | + +---------------------------------------+ 192 + | reserved for binders 4 | + +---------------------------------------+ 196 + | saved TOC pointer 4 | + +---------------------------------------+ 200 + | always reserved 8*4=32 we store our | + | GPRs here | + | r3 | + | . | + | r10 | + +---------------------------------------+ 232 + | overflow part | + +---------------------------------------+ xxx + | ???? | + +---------------------------------------+ xxx + +*/ +ffi_status +ffi_prep_closure (ffi_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif*, void*, void**, void*), + void *user_data) +{ + unsigned int *tramp; + struct ffi_aix_trampoline_struct *tramp_aix; + aix_fd *fd; + + switch (cif->abi) + { + case FFI_DARWIN: + + FFI_ASSERT (cif->abi == FFI_DARWIN); + + tramp = (unsigned int *) &closure->tramp[0]; + tramp[0] = 0x7c0802a6; /* mflr r0 */ + tramp[1] = 0x429f000d; /* bcl- 20,4*cr7+so,0x10 */ + tramp[4] = 0x7d6802a6; /* mflr r11 */ + tramp[5] = 0x818b0000; /* lwz r12,0(r11) function address */ + tramp[6] = 0x7c0803a6; /* mtlr r0 */ + tramp[7] = 0x7d8903a6; /* mtctr r12 */ + tramp[8] = 0x816b0004; /* lwz r11,4(r11) static chain */ + tramp[9] = 0x4e800420; /* bctr */ + tramp[2] = (unsigned long) ffi_closure_ASM; /* function */ + tramp[3] = (unsigned long) closure; /* context */ + + closure->cif = cif; + closure->fun = fun; + closure->user_data = user_data; + + /* Flush the icache. Only necessary on Darwin. */ + flush_range(&closure->tramp[0],FFI_TRAMPOLINE_SIZE); + + break; + + case FFI_AIX: + + tramp_aix = (struct ffi_aix_trampoline_struct *) (closure->tramp); + fd = (aix_fd *)(void *)ffi_closure_ASM; + + FFI_ASSERT (cif->abi == FFI_AIX); + + tramp_aix->code_pointer = fd->code_pointer; + tramp_aix->toc = fd->toc; + tramp_aix->static_chain = closure; + closure->cif = cif; + closure->fun = fun; + closure->user_data = user_data; + + default: + + FFI_ASSERT(0); + break; + } + return FFI_OK; +} + +static void +flush_icache(char *addr) +{ +#ifndef _AIX + __asm__ volatile ( + "dcbf 0,%0\n" + "\tsync\n" + "\ticbi 0,%0\n" + "\tsync\n" + "\tisync" + : : "r"(addr) : "memory"); +#endif +} + +static void +flush_range(char * addr1, int size) +{ +#define MIN_LINE_SIZE 32 + int i; + for (i = 0; i < size; i += MIN_LINE_SIZE) + flush_icache(addr1+i); + flush_icache(addr1+size-1); +} + +typedef union +{ + float f; + double d; +} ffi_dblfl; + +int ffi_closure_helper_DARWIN (ffi_closure*, void*, + unsigned long*, ffi_dblfl*); + +/* Basically the trampoline invokes ffi_closure_ASM, and on + entry, r11 holds the address of the closure. + After storing the registers that could possibly contain + parameters to be passed into the stack frame and setting + up space for a return value, ffi_closure_ASM invokes the + following helper function to do most of the work. */ + +int ffi_closure_helper_DARWIN (ffi_closure* closure, void * rvalue, + unsigned long * pgr, ffi_dblfl * pfr) +{ + /* rvalue is the pointer to space for return value in closure assembly + pgr is the pointer to where r3-r10 are stored in ffi_closure_ASM + pfr is the pointer to where f1-f13 are stored in ffi_closure_ASM. */ + + typedef double ldbits[2]; + + union ldu + { + ldbits lb; + long double ld; + }; + + void ** avalue; + ffi_type ** arg_types; + long i, avn; + long nf; /* number of floating registers already used. */ + long ng; /* number of general registers already used. */ + ffi_cif * cif; + double temp; + unsigned size_al; + union ldu temp_ld; + + cif = closure->cif; + avalue = alloca(cif->nargs * sizeof(void *)); + + nf = 0; + ng = 0; + + /* Copy the caller's structure return value address so that the closure + returns the data directly to the caller. */ + if (cif->rtype->type == FFI_TYPE_STRUCT) + { + rvalue = (void *) *pgr; + pgr++; + ng++; + } + + i = 0; + avn = cif->nargs; + arg_types = cif->arg_types; + + /* Grab the addresses of the arguments from the stack frame. */ + while (i < avn) + { + switch (arg_types[i]->type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + avalue[i] = (char *) pgr + 3; + ng++; + pgr++; + break; + + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + avalue[i] = (char *) pgr + 2; + ng++; + pgr++; + break; + + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT32: + case FFI_TYPE_POINTER: + avalue[i] = pgr; + ng++; + pgr++; + break; + + case FFI_TYPE_STRUCT: + /* Structures that match the basic modes (QI 1 byte, HI 2 bytes, + SI 4 bytes) are aligned as if they were those modes. */ + size_al = arg_types[i]->size; + /* If the first member of the struct is a double, then align + the struct to double-word. + Type 3 is defined in include/ffi.h. #define FFI_TYPE_DOUBLE 3. */ + if (arg_types[i]->elements[0]->type == 3) + size_al = ALIGN(arg_types[i]->size, 8); + if (size_al < 3 && cif->abi == FFI_DARWIN) + avalue[i] = (void*) pgr + 4 - size_al; + else + avalue[i] = (void*) pgr; + ng += (size_al + 3) / 4; + pgr += (size_al + 3) / 4; + break; + + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + /* Long long ints are passed in two gpr's. */ + avalue[i] = pgr; + ng += 2; + pgr += 2; + break; + + case FFI_TYPE_FLOAT: + /* A float value consumes a GPR. + There are 13 64bit floating point registers. */ + if (nf < NUM_FPR_ARG_REGISTERS) + { + temp = pfr->d; + pfr->f = (float)temp; + avalue[i] = pfr; + pfr++; + } + else + { + avalue[i] = pgr; + } + nf++; + ng++; + pgr++; + break; + + case FFI_TYPE_DOUBLE: + /* A double value consumes two GPRs. + There are 13 64bit floating point registers. */ + if (nf < NUM_FPR_ARG_REGISTERS) + { + avalue[i] = pfr; + pfr++; + } + else + { + avalue[i] = pgr; + } + nf++; + ng += 2; + pgr += 2; + break; + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + + case FFI_TYPE_LONGDOUBLE: + /* A long double value consumes four GPRs and two FPRs. + There are 13 64bit floating point registers. */ + if (nf < NUM_FPR_ARG_REGISTERS - 1) + { + avalue[i] = pfr; + pfr += 2; + } + /* Here we have the situation where one part of the long double + is stored in fpr13 and the other part is already on the stack. + We use a union to pass the long double to avalue[i]. */ + else if (nf == NUM_FPR_ARG_REGISTERS - 1) + { + memcpy (&temp_ld.lb[0], pfr, sizeof(ldbits)); + memcpy (&temp_ld.lb[1], pgr + 2, sizeof(ldbits)); + avalue[i] = &temp_ld.ld; + } + else + { + avalue[i] = pgr; + } + nf += 2; + ng += 4; + pgr += 4; + break; +#endif + default: + FFI_ASSERT(0); + } + i++; + } + + (closure->fun) (cif, rvalue, avalue, closure->user_data); + + /* Tell ffi_closure_ASM to perform return type promotions. */ + return cif->rtype->type; +} diff --git a/gcc-4.2.1/libffi/src/powerpc/ffitarget.h b/gcc-4.2.1/libffi/src/powerpc/ffitarget.h new file mode 100644 index 000000000..e7f629503 --- /dev/null +++ b/gcc-4.2.1/libffi/src/powerpc/ffitarget.h @@ -0,0 +1,105 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for PowerPC. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +/* ---- System specific configurations ----------------------------------- */ + +#if defined (POWERPC) && defined (__powerpc64__) +#define POWERPC64 +#endif + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + +#ifdef POWERPC + FFI_SYSV, + FFI_GCC_SYSV, + FFI_LINUX64, + FFI_LINUX, +# ifdef POWERPC64 + FFI_DEFAULT_ABI = FFI_LINUX64, +# else +# if __LDBL_MANT_DIG__ == 106 + FFI_DEFAULT_ABI = FFI_LINUX, +# else + FFI_DEFAULT_ABI = FFI_GCC_SYSV, +# endif +# endif +#endif + +#ifdef POWERPC_AIX + FFI_AIX, + FFI_DARWIN, + FFI_DEFAULT_ABI = FFI_AIX, +#endif + +#ifdef POWERPC_DARWIN + FFI_AIX, + FFI_DARWIN, + FFI_DEFAULT_ABI = FFI_DARWIN, +#endif + +#ifdef POWERPC_FREEBSD + FFI_SYSV, + FFI_GCC_SYSV, + FFI_LINUX64, + FFI_DEFAULT_ABI = FFI_SYSV, +#endif + + FFI_LAST_ABI +} ffi_abi; +#endif + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 1 +#define FFI_NATIVE_RAW_API 0 + +/* Needed for FFI_SYSV small structure returns. */ +#define FFI_SYSV_TYPE_SMALL_STRUCT (FFI_TYPE_LAST) + +#if defined(POWERPC64) || defined(POWERPC_AIX) +#define FFI_TRAMPOLINE_SIZE 24 +#else /* POWERPC || POWERPC_AIX */ +#define FFI_TRAMPOLINE_SIZE 40 +#endif + +#ifndef LIBFFI_ASM +#if defined(POWERPC_DARWIN) || defined(POWERPC_AIX) +struct ffi_aix_trampoline_struct { + void * code_pointer; /* Pointer to ffi_closure_ASM */ + void * toc; /* TOC */ + void * static_chain; /* Pointer to closure */ +}; +#endif +#endif + +#endif diff --git a/gcc-4.2.1/libffi/src/powerpc/linux64.S b/gcc-4.2.1/libffi/src/powerpc/linux64.S new file mode 100644 index 000000000..d72912da1 --- /dev/null +++ b/gcc-4.2.1/libffi/src/powerpc/linux64.S @@ -0,0 +1,177 @@ +/* ----------------------------------------------------------------------- + sysv.h - Copyright (c) 2003 Jakub Jelinek <jakub@redhat.com> + + PowerPC64 Assembly glue. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +#ifdef __powerpc64__ + .hidden ffi_call_LINUX64, .ffi_call_LINUX64 + .globl ffi_call_LINUX64, .ffi_call_LINUX64 + .section ".opd","aw" + .align 3 +ffi_call_LINUX64: + .quad .ffi_call_LINUX64,.TOC.@tocbase,0 + .size ffi_call_LINUX64,24 + .type .ffi_call_LINUX64,@function + .text +.ffi_call_LINUX64: +.LFB1: + mflr %r0 + std %r28, -32(%r1) + std %r29, -24(%r1) + std %r30, -16(%r1) + std %r31, -8(%r1) + std %r0, 16(%r1) + + mr %r28, %r1 /* our AP. */ + stdux %r1, %r1, %r4 +.LCFI0: + mr %r31, %r5 /* flags, */ + mr %r30, %r6 /* rvalue, */ + mr %r29, %r7 /* function address. */ + std %r2, 40(%r1) + + /* Call ffi_prep_args64. */ + mr %r4, %r1 + bl .ffi_prep_args64 + + ld %r0, 0(%r29) + ld %r2, 8(%r29) + ld %r11, 16(%r29) + + /* Now do the call. */ + /* Set up cr1 with bits 4-7 of the flags. */ + mtcrf 0x40, %r31 + + /* Get the address to call into CTR. */ + mtctr %r0 + /* Load all those argument registers. */ + ld %r3, -32-(8*8)(%r28) + ld %r4, -32-(7*8)(%r28) + ld %r5, -32-(6*8)(%r28) + ld %r6, -32-(5*8)(%r28) + bf- 5, 1f + ld %r7, -32-(4*8)(%r28) + ld %r8, -32-(3*8)(%r28) + ld %r9, -32-(2*8)(%r28) + ld %r10, -32-(1*8)(%r28) +1: + + /* Load all the FP registers. */ + bf- 6, 2f + lfd %f1, -32-(21*8)(%r28) + lfd %f2, -32-(20*8)(%r28) + lfd %f3, -32-(19*8)(%r28) + lfd %f4, -32-(18*8)(%r28) + lfd %f5, -32-(17*8)(%r28) + lfd %f6, -32-(16*8)(%r28) + lfd %f7, -32-(15*8)(%r28) + lfd %f8, -32-(14*8)(%r28) + lfd %f9, -32-(13*8)(%r28) + lfd %f10, -32-(12*8)(%r28) + lfd %f11, -32-(11*8)(%r28) + lfd %f12, -32-(10*8)(%r28) + lfd %f13, -32-(9*8)(%r28) +2: + + /* Make the call. */ + bctrl + + /* Now, deal with the return value. */ + mtcrf 0x01, %r31 + bt- 30, .Ldone_return_value + bt- 29, .Lfp_return_value + std %r3, 0(%r30) + /* Fall through... */ + +.Ldone_return_value: + /* Restore the registers we used and return. */ + ld %r2, 40(%r1) + mr %r1, %r28 + ld %r0, 16(%r28) + ld %r28, -32(%r1) + mtlr %r0 + ld %r29, -24(%r1) + ld %r30, -16(%r1) + ld %r31, -8(%r1) + blr + +.Lfp_return_value: + bf 28, .Lfloat_return_value + stfd %f1, 0(%r30) + bf 27, .Ldone_return_value + stfd %f2, 8(%r30) + b .Ldone_return_value +.Lfloat_return_value: + stfs %f1, 0(%r30) + b .Ldone_return_value +.LFE1: + .long 0 + .byte 0,12,0,1,128,4,0,0 + .size .ffi_call_LINUX64,.-.ffi_call_LINUX64 + + .section .eh_frame,EH_FRAME_FLAGS,@progbits +.Lframe1: + .4byte .LECIE1-.LSCIE1 # Length of Common Information Entry +.LSCIE1: + .4byte 0x0 # CIE Identifier Tag + .byte 0x1 # CIE Version + .ascii "zR\0" # CIE Augmentation + .uleb128 0x1 # CIE Code Alignment Factor + .sleb128 -8 # CIE Data Alignment Factor + .byte 0x41 # CIE RA Column + .uleb128 0x1 # Augmentation size + .byte 0x14 # FDE Encoding (pcrel udata8) + .byte 0xc # DW_CFA_def_cfa + .uleb128 0x1 + .uleb128 0x0 + .align 3 +.LECIE1: +.LSFDE1: + .4byte .LEFDE1-.LASFDE1 # FDE Length +.LASFDE1: + .4byte .LASFDE1-.Lframe1 # FDE CIE offset + .8byte .LFB1-. # FDE initial location + .8byte .LFE1-.LFB1 # FDE address range + .uleb128 0x0 # Augmentation size + .byte 0x2 # DW_CFA_advance_loc1 + .byte .LCFI0-.LFB1 + .byte 0xd # DW_CFA_def_cfa_register + .uleb128 0x1c + .byte 0x11 # DW_CFA_offset_extended_sf + .uleb128 0x41 + .sleb128 -2 + .byte 0x9f # DW_CFA_offset, column 0x1f + .uleb128 0x1 + .byte 0x9e # DW_CFA_offset, column 0x1e + .uleb128 0x2 + .byte 0x9d # DW_CFA_offset, column 0x1d + .uleb128 0x3 + .byte 0x9c # DW_CFA_offset, column 0x1c + .uleb128 0x4 + .align 3 +.LEFDE1: +#endif diff --git a/gcc-4.2.1/libffi/src/powerpc/linux64_closure.S b/gcc-4.2.1/libffi/src/powerpc/linux64_closure.S new file mode 100644 index 000000000..b19bc718b --- /dev/null +++ b/gcc-4.2.1/libffi/src/powerpc/linux64_closure.S @@ -0,0 +1,206 @@ +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + + .file "linux64_closure.S" + +#ifdef __powerpc64__ + FFI_HIDDEN (ffi_closure_LINUX64) + FFI_HIDDEN (.ffi_closure_LINUX64) + .globl ffi_closure_LINUX64, .ffi_closure_LINUX64 + .section ".opd","aw" + .align 3 +ffi_closure_LINUX64: + .quad .ffi_closure_LINUX64,.TOC.@tocbase,0 + .size ffi_closure_LINUX64,24 + .type .ffi_closure_LINUX64,@function + .text +.ffi_closure_LINUX64: +.LFB1: + # save general regs into parm save area + std %r3, 48(%r1) + std %r4, 56(%r1) + std %r5, 64(%r1) + std %r6, 72(%r1) + mflr %r0 + + std %r7, 80(%r1) + std %r8, 88(%r1) + std %r9, 96(%r1) + std %r10, 104(%r1) + std %r0, 16(%r1) + + # mandatory 48 bytes special reg save area + 64 bytes parm save area + # + 16 bytes retval area + 13*8 bytes fpr save area + round to 16 + stdu %r1, -240(%r1) +.LCFI0: + + # next save fpr 1 to fpr 13 + stfd %f1, 128+(0*8)(%r1) + stfd %f2, 128+(1*8)(%r1) + stfd %f3, 128+(2*8)(%r1) + stfd %f4, 128+(3*8)(%r1) + stfd %f5, 128+(4*8)(%r1) + stfd %f6, 128+(5*8)(%r1) + stfd %f7, 128+(6*8)(%r1) + stfd %f8, 128+(7*8)(%r1) + stfd %f9, 128+(8*8)(%r1) + stfd %f10, 128+(9*8)(%r1) + stfd %f11, 128+(10*8)(%r1) + stfd %f12, 128+(11*8)(%r1) + stfd %f13, 128+(12*8)(%r1) + + # set up registers for the routine that actually does the work + # get the context pointer from the trampoline + mr %r3, %r11 + + # now load up the pointer to the result storage + addi %r4, %r1, 112 + + # now load up the pointer to the parameter save area + # in the previous frame + addi %r5, %r1, 240 + 48 + + # now load up the pointer to the saved fpr registers */ + addi %r6, %r1, 128 + + # make the call + bl .ffi_closure_helper_LINUX64 +.Lret: + + # now r3 contains the return type + # so use it to look up in a table + # so we know how to deal with each type + + # look up the proper starting point in table + # by using return type as offset + mflr %r4 # move address of .Lret to r4 + sldi %r3, %r3, 4 # now multiply return type by 16 + addi %r4, %r4, .Lret_type0 - .Lret + ld %r0, 240+16(%r1) + add %r3, %r3, %r4 # add contents of table to table address + mtctr %r3 + bctr # jump to it + +# Each of the ret_typeX code fragments has to be exactly 16 bytes long +# (4 instructions). For cache effectiveness we align to a 16 byte boundary +# first. + .align 4 + +.Lret_type0: +# case FFI_TYPE_VOID + mtlr %r0 + addi %r1, %r1, 240 + blr + nop +# case FFI_TYPE_INT + lwa %r3, 112+4(%r1) + mtlr %r0 + addi %r1, %r1, 240 + blr +# case FFI_TYPE_FLOAT + lfs %f1, 112+0(%r1) + mtlr %r0 + addi %r1, %r1, 240 + blr +# case FFI_TYPE_DOUBLE + lfd %f1, 112+0(%r1) + mtlr %r0 + addi %r1, %r1, 240 + blr +# case FFI_TYPE_LONGDOUBLE + lfd %f1, 112+0(%r1) + mtlr %r0 + lfd %f2, 112+8(%r1) + b .Lfinish +# case FFI_TYPE_UINT8 + lbz %r3, 112+7(%r1) + mtlr %r0 + addi %r1, %r1, 240 + blr +# case FFI_TYPE_SINT8 + lbz %r3, 112+7(%r1) + extsb %r3,%r3 + mtlr %r0 + b .Lfinish +# case FFI_TYPE_UINT16 + lhz %r3, 112+6(%r1) + mtlr %r0 +.Lfinish: + addi %r1, %r1, 240 + blr +# case FFI_TYPE_SINT16 + lha %r3, 112+6(%r1) + mtlr %r0 + addi %r1, %r1, 240 + blr +# case FFI_TYPE_UINT32 + lwz %r3, 112+4(%r1) + mtlr %r0 + addi %r1, %r1, 240 + blr +# case FFI_TYPE_SINT32 + lwa %r3, 112+4(%r1) + mtlr %r0 + addi %r1, %r1, 240 + blr +# case FFI_TYPE_UINT64 + ld %r3, 112+0(%r1) + mtlr %r0 + addi %r1, %r1, 240 + blr +# case FFI_TYPE_SINT64 + ld %r3, 112+0(%r1) + mtlr %r0 + addi %r1, %r1, 240 + blr +# case FFI_TYPE_STRUCT + mtlr %r0 + addi %r1, %r1, 240 + blr + nop +# case FFI_TYPE_POINTER + ld %r3, 112+0(%r1) + mtlr %r0 + addi %r1, %r1, 240 + blr +# esac +.LFE1: + .long 0 + .byte 0,12,0,1,128,0,0,0 + .size .ffi_closure_LINUX64,.-.ffi_closure_LINUX64 + + .section .eh_frame,EH_FRAME_FLAGS,@progbits +.Lframe1: + .4byte .LECIE1-.LSCIE1 # Length of Common Information Entry +.LSCIE1: + .4byte 0x0 # CIE Identifier Tag + .byte 0x1 # CIE Version + .ascii "zR\0" # CIE Augmentation + .uleb128 0x1 # CIE Code Alignment Factor + .sleb128 -8 # CIE Data Alignment Factor + .byte 0x41 # CIE RA Column + .uleb128 0x1 # Augmentation size + .byte 0x14 # FDE Encoding (pcrel udata8) + .byte 0xc # DW_CFA_def_cfa + .uleb128 0x1 + .uleb128 0x0 + .align 3 +.LECIE1: +.LSFDE1: + .4byte .LEFDE1-.LASFDE1 # FDE Length +.LASFDE1: + .4byte .LASFDE1-.Lframe1 # FDE CIE offset + .8byte .LFB1-. # FDE initial location + .8byte .LFE1-.LFB1 # FDE address range + .uleb128 0x0 # Augmentation size + .byte 0x2 # DW_CFA_advance_loc1 + .byte .LCFI0-.LFB1 + .byte 0xe # DW_CFA_def_cfa_offset + .uleb128 240 + .byte 0x11 # DW_CFA_offset_extended_sf + .uleb128 0x41 + .sleb128 -2 + .align 3 +.LEFDE1: +#endif diff --git a/gcc-4.2.1/libffi/src/powerpc/ppc_closure.S b/gcc-4.2.1/libffi/src/powerpc/ppc_closure.S new file mode 100644 index 000000000..356a0e326 --- /dev/null +++ b/gcc-4.2.1/libffi/src/powerpc/ppc_closure.S @@ -0,0 +1,283 @@ +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> +#include <powerpc/asm.h> + + .file "ppc_closure.S" + +#ifndef __powerpc64__ + +ENTRY(ffi_closure_SYSV) +.LFB1: + stwu %r1,-144(%r1) +.LCFI0: + mflr %r0 +.LCFI1: + stw %r0,148(%r1) + +# we want to build up an areas for the parameters passed +# in registers (both floating point and integer) + + # so first save gpr 3 to gpr 10 (aligned to 4) + stw %r3, 16(%r1) + stw %r4, 20(%r1) + stw %r5, 24(%r1) + stw %r6, 28(%r1) + stw %r7, 32(%r1) + stw %r8, 36(%r1) + stw %r9, 40(%r1) + stw %r10,44(%r1) + + # next save fpr 1 to fpr 8 (aligned to 8) + stfd %f1, 48(%r1) + stfd %f2, 56(%r1) + stfd %f3, 64(%r1) + stfd %f4, 72(%r1) + stfd %f5, 80(%r1) + stfd %f6, 88(%r1) + stfd %f7, 96(%r1) + stfd %f8, 104(%r1) + + # set up registers for the routine that actually does the work + # get the context pointer from the trampoline + mr %r3,%r11 + + # now load up the pointer to the result storage + addi %r4,%r1,112 + + # now load up the pointer to the saved gpr registers + addi %r5,%r1,16 + + # now load up the pointer to the saved fpr registers */ + addi %r6,%r1,48 + + # now load up the pointer to the outgoing parameter + # stack in the previous frame + # i.e. the previous frame pointer + 8 + addi %r7,%r1,152 + + # make the call + bl ffi_closure_helper_SYSV@local +.Lret: + # now r3 contains the return type + # so use it to look up in a table + # so we know how to deal with each type + + # look up the proper starting point in table + # by using return type as offset + + mflr %r4 # move address of .Lret to r4 + slwi %r3,%r3,4 # now multiply return type by 16 + addi %r4, %r4, .Lret_type0 - .Lret + lwz %r0,148(%r1) + add %r3,%r3,%r4 # add contents of table to table address + mtctr %r3 + bctr # jump to it +.LFE1: + +# Each of the ret_typeX code fragments has to be exactly 16 bytes long +# (4 instructions). For cache effectiveness we align to a 16 byte boundary +# first. + .align 4 +# case FFI_TYPE_VOID +.Lret_type0: + mtlr %r0 + addi %r1,%r1,144 + blr + nop + +# case FFI_TYPE_INT + lwz %r3,112+0(%r1) + mtlr %r0 +.Lfinish: + addi %r1,%r1,144 + blr + +# case FFI_TYPE_FLOAT + lfs %f1,112+0(%r1) + mtlr %r0 + addi %r1,%r1,144 + blr + +# case FFI_TYPE_DOUBLE + lfd %f1,112+0(%r1) + mtlr %r0 + addi %r1,%r1,144 + blr + +# case FFI_TYPE_LONGDOUBLE + lfd %f1,112+0(%r1) + lfd %f2,112+8(%r1) + mtlr %r0 + b .Lfinish + +# case FFI_TYPE_UINT8 + lbz %r3,112+3(%r1) + mtlr %r0 + addi %r1,%r1,144 + blr + +# case FFI_TYPE_SINT8 + lbz %r3,112+3(%r1) + extsb %r3,%r3 + mtlr %r0 + b .Lfinish + +# case FFI_TYPE_UINT16 + lhz %r3,112+2(%r1) + mtlr %r0 + addi %r1,%r1,144 + blr + +# case FFI_TYPE_SINT16 + lha %r3,112+2(%r1) + mtlr %r0 + addi %r1,%r1,144 + blr + +# case FFI_TYPE_UINT32 + lwz %r3,112+0(%r1) + mtlr %r0 + addi %r1,%r1,144 + blr + +# case FFI_TYPE_SINT32 + lwz %r3,112+0(%r1) + mtlr %r0 + addi %r1,%r1,144 + blr + +# case FFI_TYPE_UINT64 + lwz %r3,112+0(%r1) + lwz %r4,112+4(%r1) + mtlr %r0 + b .Lfinish + +# case FFI_TYPE_SINT64 + lwz %r3,112+0(%r1) + lwz %r4,112+4(%r1) + mtlr %r0 + b .Lfinish + +# case FFI_TYPE_STRUCT + mtlr %r0 + addi %r1,%r1,144 + blr + nop + +# case FFI_TYPE_POINTER + lwz %r3,112+0(%r1) + mtlr %r0 + addi %r1,%r1,144 + blr + +# The return types below are only used when the ABI type is FFI_SYSV. +# case FFI_SYSV_TYPE_SMALL_STRUCT + 1. One byte struct. + lbz %r3,112+0(%r1) + mtlr %r0 + addi %r1,%r1,144 + blr + +# case FFI_SYSV_TYPE_SMALL_STRUCT + 2. Two byte struct. + lhz %r3,112+0(%r1) + mtlr %r0 + addi %r1,%r1,144 + blr + +# case FFI_SYSV_TYPE_SMALL_STRUCT + 3. Three byte struct. + lwz %r3,112+0(%r1) + srwi %r3,%r3,8 + mtlr %r0 + b .Lfinish + +# case FFI_SYSV_TYPE_SMALL_STRUCT + 4. Four byte struct. + lwz %r3,112+0(%r1) + mtlr %r0 + addi %r1,%r1,144 + blr + +# case FFI_SYSV_TYPE_SMALL_STRUCT + 5. Five byte struct. + lwz %r3,112+0(%r1) + lwz %r4,112+4(%r1) + li %r5,24 + b .Lstruct567 + +# case FFI_SYSV_TYPE_SMALL_STRUCT + 6. Six byte struct. + lwz %r3,112+0(%r1) + lwz %r4,112+4(%r1) + li %r5,16 + b .Lstruct567 + +# case FFI_SYSV_TYPE_SMALL_STRUCT + 7. Seven byte struct. + lwz %r3,112+0(%r1) + lwz %r4,112+4(%r1) + li %r5,8 + b .Lstruct567 + +# case FFI_SYSV_TYPE_SMALL_STRUCT + 8. Eight byte struct. + lwz %r3,112+0(%r1) + lwz %r4,112+4(%r1) + mtlr %r0 + b .Lfinish + +.Lstruct567: + subfic %r6,%r5,32 + srw %r4,%r4,%r5 + slw %r6,%r3,%r6 + srw %r3,%r3,%r5 + or %r4,%r6,%r4 + mtlr %r0 + addi %r1,%r1,144 + blr + +END(ffi_closure_SYSV) + + .section ".eh_frame",EH_FRAME_FLAGS,@progbits +.Lframe1: + .4byte .LECIE1-.LSCIE1 # Length of Common Information Entry +.LSCIE1: + .4byte 0x0 # CIE Identifier Tag + .byte 0x1 # CIE Version +#if defined _RELOCATABLE || defined __PIC__ + .ascii "zR\0" # CIE Augmentation +#else + .ascii "\0" # CIE Augmentation +#endif + .uleb128 0x1 # CIE Code Alignment Factor + .sleb128 -4 # CIE Data Alignment Factor + .byte 0x41 # CIE RA Column +#if defined _RELOCATABLE || defined __PIC__ + .uleb128 0x1 # Augmentation size + .byte 0x1b # FDE Encoding (pcrel sdata4) +#endif + .byte 0xc # DW_CFA_def_cfa + .uleb128 0x1 + .uleb128 0x0 + .align 2 +.LECIE1: +.LSFDE1: + .4byte .LEFDE1-.LASFDE1 # FDE Length +.LASFDE1: + .4byte .LASFDE1-.Lframe1 # FDE CIE offset +#if defined _RELOCATABLE || defined __PIC__ + .4byte .LFB1-. # FDE initial location +#else + .4byte .LFB1 # FDE initial location +#endif + .4byte .LFE1-.LFB1 # FDE address range +#if defined _RELOCATABLE || defined __PIC__ + .uleb128 0x0 # Augmentation size +#endif + .byte 0x4 # DW_CFA_advance_loc4 + .4byte .LCFI0-.LFB1 + .byte 0xe # DW_CFA_def_cfa_offset + .uleb128 144 + .byte 0x4 # DW_CFA_advance_loc4 + .4byte .LCFI1-.LCFI0 + .byte 0x11 # DW_CFA_offset_extended_sf + .uleb128 0x41 + .sleb128 -1 + .align 2 +.LEFDE1: + +#endif diff --git a/gcc-4.2.1/libffi/src/powerpc/sysv.S b/gcc-4.2.1/libffi/src/powerpc/sysv.S new file mode 100644 index 000000000..9a9a109d1 --- /dev/null +++ b/gcc-4.2.1/libffi/src/powerpc/sysv.S @@ -0,0 +1,219 @@ +/* ----------------------------------------------------------------------- + sysv.h - Copyright (c) 1998 Geoffrey Keating + + PowerPC Assembly glue. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> +#include <powerpc/asm.h> + +#ifndef __powerpc64__ + .globl ffi_prep_args_SYSV +ENTRY(ffi_call_SYSV) +.LFB1: + /* Save the old stack pointer as AP. */ + mr %r8,%r1 + +.LCFI0: + /* Allocate the stack space we need. */ + stwux %r1,%r1,%r4 + /* Save registers we use. */ + mflr %r9 + stw %r28,-16(%r8) +.LCFI1: + stw %r29,-12(%r8) +.LCFI2: + stw %r30, -8(%r8) +.LCFI3: + stw %r31, -4(%r8) +.LCFI4: + stw %r9, 4(%r8) +.LCFI5: + + /* Save arguments over call... */ + mr %r31,%r5 /* flags, */ + mr %r30,%r6 /* rvalue, */ + mr %r29,%r7 /* function address, */ + mr %r28,%r8 /* our AP. */ +.LCFI6: + + /* Call ffi_prep_args_SYSV. */ + mr %r4,%r1 + bl ffi_prep_args_SYSV@local + + /* Now do the call. */ + /* Set up cr1 with bits 4-7 of the flags. */ + mtcrf 0x40,%r31 + /* Get the address to call into CTR. */ + mtctr %r29 + /* Load all those argument registers. */ + lwz %r3,-16-(8*4)(%r28) + lwz %r4,-16-(7*4)(%r28) + lwz %r5,-16-(6*4)(%r28) + lwz %r6,-16-(5*4)(%r28) + bf- 5,1f + nop + lwz %r7,-16-(4*4)(%r28) + lwz %r8,-16-(3*4)(%r28) + lwz %r9,-16-(2*4)(%r28) + lwz %r10,-16-(1*4)(%r28) + nop +1: + + /* Load all the FP registers. */ + bf- 6,2f + lfd %f1,-16-(8*4)-(8*8)(%r28) + lfd %f2,-16-(8*4)-(7*8)(%r28) + lfd %f3,-16-(8*4)-(6*8)(%r28) + lfd %f4,-16-(8*4)-(5*8)(%r28) + nop + lfd %f5,-16-(8*4)-(4*8)(%r28) + lfd %f6,-16-(8*4)-(3*8)(%r28) + lfd %f7,-16-(8*4)-(2*8)(%r28) + lfd %f8,-16-(8*4)-(1*8)(%r28) +2: + + /* Make the call. */ + bctrl + + /* Now, deal with the return value. */ + mtcrf 0x01,%r31 + bt- 31,L(small_struct_return_value) + bt- 30,L(done_return_value) + bt- 29,L(fp_return_value) + stw %r3,0(%r30) + bf+ 28,L(done_return_value) + stw %r4,4(%r30) + /* Fall through... */ + +L(done_return_value): + /* Restore the registers we used and return. */ + lwz %r9, 4(%r28) + lwz %r31, -4(%r28) + mtlr %r9 + lwz %r30, -8(%r28) + lwz %r29,-12(%r28) + lwz %r28,-16(%r28) + lwz %r1,0(%r1) + blr + +L(fp_return_value): + bf 28,L(float_return_value) + stfd %f1,0(%r30) + bf 27,L(done_return_value) + stfd %f2,8(%r30) + b L(done_return_value) +L(float_return_value): + stfs %f1,0(%r30) + b L(done_return_value) + +L(small_struct_return_value): + mtcrf 0x10,%r31 /* cr3 */ + bt- 15,L(smst_one_register) + mtcrf 0x08,%r31 /* cr4 */ + bt- 16,L(smst_two_register) + b L(done_return_value) + +L(smst_one_register): + rlwinm %r5,%r31,5+23,32-5,31 /* Extract the value to shift. */ + slw %r3,%r3,%r5 + stw %r3,0(%r30) + b L(done_return_value) +L(smst_two_register): + rlwinm %r5,%r31,5+23,32-5,31 /* Extract the value to shift. */ + cmpwi %r5,0 + subfic %r9,%r5,32 + slw %r29,%r3,%r5 + srw %r9,%r4,%r9 + beq- L(smst_8byte) + or %r3,%r9,%r29 + slw %r4,%r4,%r5 +L(smst_8byte): + stw %r3,0(%r30) + stw %r4,4(%r30) + b L(done_return_value) + +.LFE1: +END(ffi_call_SYSV) + + .section ".eh_frame",EH_FRAME_FLAGS,@progbits +.Lframe1: + .4byte .LECIE1-.LSCIE1 /* Length of Common Information Entry */ +.LSCIE1: + .4byte 0x0 /* CIE Identifier Tag */ + .byte 0x1 /* CIE Version */ +#if defined _RELOCATABLE || defined __PIC__ + .ascii "zR\0" /* CIE Augmentation */ +#else + .ascii "\0" /* CIE Augmentation */ +#endif + .uleb128 0x1 /* CIE Code Alignment Factor */ + .sleb128 -4 /* CIE Data Alignment Factor */ + .byte 0x41 /* CIE RA Column */ +#if defined _RELOCATABLE || defined __PIC__ + .uleb128 0x1 /* Augmentation size */ + .byte 0x1b /* FDE Encoding (pcrel sdata4) */ +#endif + .byte 0xc /* DW_CFA_def_cfa */ + .uleb128 0x1 + .uleb128 0x0 + .align 2 +.LECIE1: +.LSFDE1: + .4byte .LEFDE1-.LASFDE1 /* FDE Length */ +.LASFDE1: + .4byte .LASFDE1-.Lframe1 /* FDE CIE offset */ +#if defined _RELOCATABLE || defined __PIC__ + .4byte .LFB1-. /* FDE initial location */ +#else + .4byte .LFB1 /* FDE initial location */ +#endif + .4byte .LFE1-.LFB1 /* FDE address range */ +#if defined _RELOCATABLE || defined __PIC__ + .uleb128 0x0 /* Augmentation size */ +#endif + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI0-.LFB1 + .byte 0xd /* DW_CFA_def_cfa_register */ + .uleb128 0x08 + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI5-.LCFI0 + .byte 0x11 /* DW_CFA_offset_extended_sf */ + .uleb128 0x41 + .sleb128 -1 + .byte 0x9f /* DW_CFA_offset, column 0x1f */ + .uleb128 0x1 + .byte 0x9e /* DW_CFA_offset, column 0x1e */ + .uleb128 0x2 + .byte 0x9d /* DW_CFA_offset, column 0x1d */ + .uleb128 0x3 + .byte 0x9c /* DW_CFA_offset, column 0x1c */ + .uleb128 0x4 + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI6-.LCFI5 + .byte 0xd /* DW_CFA_def_cfa_register */ + .uleb128 0x1c + .align 2 +.LEFDE1: +#endif diff --git a/gcc-4.2.1/libffi/src/prep_cif.c b/gcc-4.2.1/libffi/src/prep_cif.c new file mode 100644 index 000000000..0e202cfe1 --- /dev/null +++ b/gcc-4.2.1/libffi/src/prep_cif.c @@ -0,0 +1,160 @@ +/* ----------------------------------------------------------------------- + prep_cif.c - Copyright (c) 1996, 1998 Red Hat, Inc. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> +#include <stdlib.h> + +/* Round up to FFI_SIZEOF_ARG. */ + +#define STACK_ARG_SIZE(x) ALIGN(x, FFI_SIZEOF_ARG) + +/* Perform machine independent initialization of aggregate type + specifications. */ + +static ffi_status initialize_aggregate(ffi_type *arg) +{ + ffi_type **ptr; + + FFI_ASSERT(arg != NULL); + + FFI_ASSERT(arg->elements != NULL); + FFI_ASSERT(arg->size == 0); + FFI_ASSERT(arg->alignment == 0); + + ptr = &(arg->elements[0]); + + while ((*ptr) != NULL) + { + if (((*ptr)->size == 0) && (initialize_aggregate((*ptr)) != FFI_OK)) + return FFI_BAD_TYPEDEF; + + /* Perform a sanity check on the argument type */ + FFI_ASSERT_VALID_TYPE(*ptr); + + arg->size = ALIGN(arg->size, (*ptr)->alignment); + arg->size += (*ptr)->size; + + arg->alignment = (arg->alignment > (*ptr)->alignment) ? + arg->alignment : (*ptr)->alignment; + + ptr++; + } + + /* Structure size includes tail padding. This is important for + structures that fit in one register on ABIs like the PowerPC64 + Linux ABI that right justify small structs in a register. + It's also needed for nested structure layout, for example + struct A { long a; char b; }; struct B { struct A x; char y; }; + should find y at an offset of 2*sizeof(long) and result in a + total size of 3*sizeof(long). */ + arg->size = ALIGN (arg->size, arg->alignment); + + if (arg->size == 0) + return FFI_BAD_TYPEDEF; + else + return FFI_OK; +} + +#ifndef __CRIS__ +/* The CRIS ABI specifies structure elements to have byte + alignment only, so it completely overrides this functions, + which assumes "natural" alignment and padding. */ + +/* Perform machine independent ffi_cif preparation, then call + machine dependent routine. */ + +ffi_status ffi_prep_cif(ffi_cif *cif, ffi_abi abi, unsigned int nargs, + ffi_type *rtype, ffi_type **atypes) +{ + unsigned bytes = 0; + unsigned int i; + ffi_type **ptr; + + FFI_ASSERT(cif != NULL); + FFI_ASSERT((abi > FFI_FIRST_ABI) && (abi <= FFI_DEFAULT_ABI)); + + cif->abi = abi; + cif->arg_types = atypes; + cif->nargs = nargs; + cif->rtype = rtype; + + cif->flags = 0; + + /* Initialize the return type if necessary */ + if ((cif->rtype->size == 0) && (initialize_aggregate(cif->rtype) != FFI_OK)) + return FFI_BAD_TYPEDEF; + + /* Perform a sanity check on the return type */ + FFI_ASSERT_VALID_TYPE(cif->rtype); + + /* x86-64 and s390 stack space allocation is handled in prep_machdep. */ +#if !defined M68K && !defined __x86_64__ && !defined S390 && !defined PA + /* Make space for the return structure pointer */ + if (cif->rtype->type == FFI_TYPE_STRUCT +#ifdef SPARC + && (cif->abi != FFI_V9 || cif->rtype->size > 32) +#endif +#ifdef X86_DARWIN + && (cif->rtype->size > 8) +#endif + ) + bytes = STACK_ARG_SIZE(sizeof(void*)); +#endif + + for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++) + { + + /* Initialize any uninitialized aggregate type definitions */ + if (((*ptr)->size == 0) && (initialize_aggregate((*ptr)) != FFI_OK)) + return FFI_BAD_TYPEDEF; + + /* Perform a sanity check on the argument type, do this + check after the initialization. */ + FFI_ASSERT_VALID_TYPE(*ptr); + +#if !defined __x86_64__ && !defined S390 && !defined PA +#ifdef SPARC + if (((*ptr)->type == FFI_TYPE_STRUCT + && ((*ptr)->size > 16 || cif->abi != FFI_V9)) + || ((*ptr)->type == FFI_TYPE_LONGDOUBLE + && cif->abi != FFI_V9)) + bytes += sizeof(void*); + else +#endif + { + /* Add any padding if necessary */ + if (((*ptr)->alignment - 1) & bytes) + bytes = ALIGN(bytes, (*ptr)->alignment); + + bytes += STACK_ARG_SIZE((*ptr)->size); + } +#endif + } + + cif->bytes = bytes; + + /* Perform machine dependent cif processing */ + return ffi_prep_cif_machdep(cif); +} +#endif /* not __CRIS__ */ diff --git a/gcc-4.2.1/libffi/src/raw_api.c b/gcc-4.2.1/libffi/src/raw_api.c new file mode 100644 index 000000000..c54127e64 --- /dev/null +++ b/gcc-4.2.1/libffi/src/raw_api.c @@ -0,0 +1,239 @@ +/* ----------------------------------------------------------------------- + raw_api.c - Copyright (c) 1999 Red Hat, Inc. + + Author: Kresten Krab Thorup <krab@gnu.org> + + $Id $ + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +/* This file defines generic functions for use with the raw api. */ + +#include <ffi.h> +#include <ffi_common.h> + +#if !FFI_NO_RAW_API + +size_t +ffi_raw_size (ffi_cif *cif) +{ + size_t result = 0; + int i; + + ffi_type **at = cif->arg_types; + + for (i = cif->nargs-1; i >= 0; i--, at++) + { +#if !FFI_NO_STRUCTS + if ((*at)->type == FFI_TYPE_STRUCT) + result += ALIGN (sizeof (void*), FFI_SIZEOF_ARG); + else +#endif + result += ALIGN ((*at)->size, FFI_SIZEOF_ARG); + } + + return result; +} + + +void +ffi_raw_to_ptrarray (ffi_cif *cif, ffi_raw *raw, void **args) +{ + unsigned i; + ffi_type **tp = cif->arg_types; + +#if WORDS_BIGENDIAN + + for (i = 0; i < cif->nargs; i++, tp++, args++) + { + switch ((*tp)->type) + { + case FFI_TYPE_UINT8: + case FFI_TYPE_SINT8: + *args = (void*) ((char*)(raw++) + FFI_SIZEOF_ARG - 1); + break; + + case FFI_TYPE_UINT16: + case FFI_TYPE_SINT16: + *args = (void*) ((char*)(raw++) + FFI_SIZEOF_ARG - 2); + break; + +#if FFI_SIZEOF_ARG >= 4 + case FFI_TYPE_UINT32: + case FFI_TYPE_SINT32: + *args = (void*) ((char*)(raw++) + FFI_SIZEOF_ARG - 4); + break; +#endif + +#if !FFI_NO_STRUCTS + case FFI_TYPE_STRUCT: + *args = (raw++)->ptr; + break; +#endif + + case FFI_TYPE_POINTER: + *args = (void*) &(raw++)->ptr; + break; + + default: + *args = raw; + raw += ALIGN ((*tp)->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; + } + } + +#else /* WORDS_BIGENDIAN */ + +#if !PDP + + /* then assume little endian */ + for (i = 0; i < cif->nargs; i++, tp++, args++) + { +#if !FFI_NO_STRUCTS + if ((*tp)->type == FFI_TYPE_STRUCT) + { + *args = (raw++)->ptr; + } + else +#endif + { + *args = (void*) raw; + raw += ALIGN ((*tp)->size, sizeof (void*)) / sizeof (void*); + } + } + +#else +#error "pdp endian not supported" +#endif /* ! PDP */ + +#endif /* WORDS_BIGENDIAN */ +} + +void +ffi_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_raw *raw) +{ + unsigned i; + ffi_type **tp = cif->arg_types; + + for (i = 0; i < cif->nargs; i++, tp++, args++) + { + switch ((*tp)->type) + { + case FFI_TYPE_UINT8: + (raw++)->uint = *(UINT8*) (*args); + break; + + case FFI_TYPE_SINT8: + (raw++)->sint = *(SINT8*) (*args); + break; + + case FFI_TYPE_UINT16: + (raw++)->uint = *(UINT16*) (*args); + break; + + case FFI_TYPE_SINT16: + (raw++)->sint = *(SINT16*) (*args); + break; + +#if FFI_SIZEOF_ARG >= 4 + case FFI_TYPE_UINT32: + (raw++)->uint = *(UINT32*) (*args); + break; + + case FFI_TYPE_SINT32: + (raw++)->sint = *(SINT32*) (*args); + break; +#endif + +#if !FFI_NO_STRUCTS + case FFI_TYPE_STRUCT: + (raw++)->ptr = *args; + break; +#endif + + case FFI_TYPE_POINTER: + (raw++)->ptr = **(void***) args; + break; + + default: + memcpy ((void*) raw->data, (void*)*args, (*tp)->size); + raw += ALIGN ((*tp)->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; + } + } +} + +#if !FFI_NATIVE_RAW_API + + +/* This is a generic definition of ffi_raw_call, to be used if the + * native system does not provide a machine-specific implementation. + * Having this, allows code to be written for the raw API, without + * the need for system-specific code to handle input in that format; + * these following couple of functions will handle the translation forth + * and back automatically. */ + +void ffi_raw_call (ffi_cif *cif, void (*fn)(), void *rvalue, ffi_raw *raw) +{ + void **avalue = (void**) alloca (cif->nargs * sizeof (void*)); + ffi_raw_to_ptrarray (cif, raw, avalue); + ffi_call (cif, fn, rvalue, avalue); +} + +#if FFI_CLOSURES /* base system provides closures */ + +static void +ffi_translate_args (ffi_cif *cif, void *rvalue, + void **avalue, void *user_data) +{ + ffi_raw *raw = (ffi_raw*)alloca (ffi_raw_size (cif)); + ffi_raw_closure *cl = (ffi_raw_closure*)user_data; + + ffi_ptrarray_to_raw (cif, avalue, raw); + (*cl->fun) (cif, rvalue, raw, cl->user_data); +} + +/* Again, here is the generic version of ffi_prep_raw_closure, which + * will install an intermediate "hub" for translation of arguments from + * the pointer-array format, to the raw format */ + +ffi_status +ffi_prep_raw_closure (ffi_raw_closure* cl, + ffi_cif *cif, + void (*fun)(ffi_cif*,void*,ffi_raw*,void*), + void *user_data) +{ + ffi_status status; + + status = ffi_prep_closure ((ffi_closure*) cl, + cif, + &ffi_translate_args, + (void*)cl); + if (status == FFI_OK) + { + cl->fun = fun; + cl->user_data = user_data; + } + + return status; +} + +#endif /* FFI_CLOSURES */ +#endif /* !FFI_NATIVE_RAW_API */ +#endif /* !FFI_NO_RAW_API */ diff --git a/gcc-4.2.1/libffi/src/s390/ffi.c b/gcc-4.2.1/libffi/src/s390/ffi.c new file mode 100644 index 000000000..2809aa39a --- /dev/null +++ b/gcc-4.2.1/libffi/src/s390/ffi.c @@ -0,0 +1,778 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 2000 Software AG + + S390 Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ +/*====================================================================*/ +/* Includes */ +/* -------- */ +/*====================================================================*/ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> +#include <stdio.h> + +/*====================== End of Includes =============================*/ + +/*====================================================================*/ +/* Defines */ +/* ------- */ +/*====================================================================*/ + +/* Maximum number of GPRs available for argument passing. */ +#define MAX_GPRARGS 5 + +/* Maximum number of FPRs available for argument passing. */ +#ifdef __s390x__ +#define MAX_FPRARGS 4 +#else +#define MAX_FPRARGS 2 +#endif + +/* Round to multiple of 16. */ +#define ROUND_SIZE(size) (((size) + 15) & ~15) + +/* If these values change, sysv.S must be adapted! */ +#define FFI390_RET_VOID 0 +#define FFI390_RET_STRUCT 1 +#define FFI390_RET_FLOAT 2 +#define FFI390_RET_DOUBLE 3 +#define FFI390_RET_INT32 4 +#define FFI390_RET_INT64 5 + +/*===================== End of Defines ===============================*/ + +/*====================================================================*/ +/* Prototypes */ +/* ---------- */ +/*====================================================================*/ + +static void ffi_prep_args (unsigned char *, extended_cif *); +void +#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2) +__attribute__ ((visibility ("hidden"))) +#endif +ffi_closure_helper_SYSV (ffi_closure *, unsigned long *, + unsigned long long *, unsigned long *); + +/*====================== End of Prototypes ===========================*/ + +/*====================================================================*/ +/* Externals */ +/* --------- */ +/*====================================================================*/ + +extern void ffi_call_SYSV(unsigned, + extended_cif *, + void (*)(unsigned char *, extended_cif *), + unsigned, + void *, + void (*fn)()); + +extern void ffi_closure_SYSV(void); + +/*====================== End of Externals ============================*/ + +/*====================================================================*/ +/* */ +/* Name - ffi_check_struct_type. */ +/* */ +/* Function - Determine if a structure can be passed within a */ +/* general purpose or floating point register. */ +/* */ +/*====================================================================*/ + +static int +ffi_check_struct_type (ffi_type *arg) +{ + size_t size = arg->size; + + /* If the struct has just one element, look at that element + to find out whether to consider the struct as floating point. */ + while (arg->type == FFI_TYPE_STRUCT + && arg->elements[0] && !arg->elements[1]) + arg = arg->elements[0]; + + /* Structs of size 1, 2, 4, and 8 are passed in registers, + just like the corresponding int/float types. */ + switch (size) + { + case 1: + return FFI_TYPE_UINT8; + + case 2: + return FFI_TYPE_UINT16; + + case 4: + if (arg->type == FFI_TYPE_FLOAT) + return FFI_TYPE_FLOAT; + else + return FFI_TYPE_UINT32; + + case 8: + if (arg->type == FFI_TYPE_DOUBLE) + return FFI_TYPE_DOUBLE; + else + return FFI_TYPE_UINT64; + + default: + break; + } + + /* Other structs are passed via a pointer to the data. */ + return FFI_TYPE_POINTER; +} + +/*======================== End of Routine ============================*/ + +/*====================================================================*/ +/* */ +/* Name - ffi_prep_args. */ +/* */ +/* Function - Prepare parameters for call to function. */ +/* */ +/* ffi_prep_args is called by the assembly routine once stack space */ +/* has been allocated for the function's arguments. */ +/* */ +/*====================================================================*/ + +static void +ffi_prep_args (unsigned char *stack, extended_cif *ecif) +{ + /* The stack space will be filled with those areas: + + FPR argument register save area (highest addresses) + GPR argument register save area + temporary struct copies + overflow argument area (lowest addresses) + + We set up the following pointers: + + p_fpr: bottom of the FPR area (growing upwards) + p_gpr: bottom of the GPR area (growing upwards) + p_ov: bottom of the overflow area (growing upwards) + p_struct: top of the struct copy area (growing downwards) + + All areas are kept aligned to twice the word size. */ + + int gpr_off = ecif->cif->bytes; + int fpr_off = gpr_off + ROUND_SIZE (MAX_GPRARGS * sizeof (long)); + + unsigned long long *p_fpr = (unsigned long long *)(stack + fpr_off); + unsigned long *p_gpr = (unsigned long *)(stack + gpr_off); + unsigned char *p_struct = (unsigned char *)p_gpr; + unsigned long *p_ov = (unsigned long *)stack; + + int n_fpr = 0; + int n_gpr = 0; + int n_ov = 0; + + ffi_type **ptr; + void **p_argv = ecif->avalue; + int i; + + /* If we returning a structure then we set the first parameter register + to the address of where we are returning this structure. */ + + if (ecif->cif->flags == FFI390_RET_STRUCT) + p_gpr[n_gpr++] = (unsigned long) ecif->rvalue; + + /* Now for the arguments. */ + + for (ptr = ecif->cif->arg_types, i = ecif->cif->nargs; + i > 0; + i--, ptr++, p_argv++) + { + void *arg = *p_argv; + int type = (*ptr)->type; + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + /* 16-byte long double is passed like a struct. */ + if (type == FFI_TYPE_LONGDOUBLE) + type = FFI_TYPE_STRUCT; +#endif + + /* Check how a structure type is passed. */ + if (type == FFI_TYPE_STRUCT) + { + type = ffi_check_struct_type (*ptr); + + /* If we pass the struct via pointer, copy the data. */ + if (type == FFI_TYPE_POINTER) + { + p_struct -= ROUND_SIZE ((*ptr)->size); + memcpy (p_struct, (char *)arg, (*ptr)->size); + arg = &p_struct; + } + } + + /* Now handle all primitive int/pointer/float data types. */ + switch (type) + { + case FFI_TYPE_DOUBLE: + if (n_fpr < MAX_FPRARGS) + p_fpr[n_fpr++] = *(unsigned long long *) arg; + else +#ifdef __s390x__ + p_ov[n_ov++] = *(unsigned long *) arg; +#else + p_ov[n_ov++] = ((unsigned long *) arg)[0], + p_ov[n_ov++] = ((unsigned long *) arg)[1]; +#endif + break; + + case FFI_TYPE_FLOAT: + if (n_fpr < MAX_FPRARGS) + p_fpr[n_fpr++] = (long long) *(unsigned int *) arg << 32; + else + p_ov[n_ov++] = *(unsigned int *) arg; + break; + + case FFI_TYPE_POINTER: + if (n_gpr < MAX_GPRARGS) + p_gpr[n_gpr++] = (unsigned long)*(unsigned char **) arg; + else + p_ov[n_ov++] = (unsigned long)*(unsigned char **) arg; + break; + + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: +#ifdef __s390x__ + if (n_gpr < MAX_GPRARGS) + p_gpr[n_gpr++] = *(unsigned long *) arg; + else + p_ov[n_ov++] = *(unsigned long *) arg; +#else + if (n_gpr == MAX_GPRARGS-1) + n_gpr = MAX_GPRARGS; + if (n_gpr < MAX_GPRARGS) + p_gpr[n_gpr++] = ((unsigned long *) arg)[0], + p_gpr[n_gpr++] = ((unsigned long *) arg)[1]; + else + p_ov[n_ov++] = ((unsigned long *) arg)[0], + p_ov[n_ov++] = ((unsigned long *) arg)[1]; +#endif + break; + + case FFI_TYPE_UINT32: + if (n_gpr < MAX_GPRARGS) + p_gpr[n_gpr++] = *(unsigned int *) arg; + else + p_ov[n_ov++] = *(unsigned int *) arg; + break; + + case FFI_TYPE_INT: + case FFI_TYPE_SINT32: + if (n_gpr < MAX_GPRARGS) + p_gpr[n_gpr++] = *(signed int *) arg; + else + p_ov[n_ov++] = *(signed int *) arg; + break; + + case FFI_TYPE_UINT16: + if (n_gpr < MAX_GPRARGS) + p_gpr[n_gpr++] = *(unsigned short *) arg; + else + p_ov[n_ov++] = *(unsigned short *) arg; + break; + + case FFI_TYPE_SINT16: + if (n_gpr < MAX_GPRARGS) + p_gpr[n_gpr++] = *(signed short *) arg; + else + p_ov[n_ov++] = *(signed short *) arg; + break; + + case FFI_TYPE_UINT8: + if (n_gpr < MAX_GPRARGS) + p_gpr[n_gpr++] = *(unsigned char *) arg; + else + p_ov[n_ov++] = *(unsigned char *) arg; + break; + + case FFI_TYPE_SINT8: + if (n_gpr < MAX_GPRARGS) + p_gpr[n_gpr++] = *(signed char *) arg; + else + p_ov[n_ov++] = *(signed char *) arg; + break; + + default: + FFI_ASSERT (0); + break; + } + } +} + +/*======================== End of Routine ============================*/ + +/*====================================================================*/ +/* */ +/* Name - ffi_prep_cif_machdep. */ +/* */ +/* Function - Perform machine dependent CIF processing. */ +/* */ +/*====================================================================*/ + +ffi_status +ffi_prep_cif_machdep(ffi_cif *cif) +{ + size_t struct_size = 0; + int n_gpr = 0; + int n_fpr = 0; + int n_ov = 0; + + ffi_type **ptr; + int i; + + /* Determine return value handling. */ + + switch (cif->rtype->type) + { + /* Void is easy. */ + case FFI_TYPE_VOID: + cif->flags = FFI390_RET_VOID; + break; + + /* Structures are returned via a hidden pointer. */ + case FFI_TYPE_STRUCT: + cif->flags = FFI390_RET_STRUCT; + n_gpr++; /* We need one GPR to pass the pointer. */ + break; + + /* Floating point values are returned in fpr 0. */ + case FFI_TYPE_FLOAT: + cif->flags = FFI390_RET_FLOAT; + break; + + case FFI_TYPE_DOUBLE: + cif->flags = FFI390_RET_DOUBLE; + break; + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: + cif->flags = FFI390_RET_STRUCT; + n_gpr++; + break; +#endif + /* Integer values are returned in gpr 2 (and gpr 3 + for 64-bit values on 31-bit machines). */ + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + cif->flags = FFI390_RET_INT64; + break; + + case FFI_TYPE_POINTER: + case FFI_TYPE_INT: + case FFI_TYPE_UINT32: + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT16: + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT8: + case FFI_TYPE_SINT8: + /* These are to be extended to word size. */ +#ifdef __s390x__ + cif->flags = FFI390_RET_INT64; +#else + cif->flags = FFI390_RET_INT32; +#endif + break; + + default: + FFI_ASSERT (0); + break; + } + + /* Now for the arguments. */ + + for (ptr = cif->arg_types, i = cif->nargs; + i > 0; + i--, ptr++) + { + int type = (*ptr)->type; + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + /* 16-byte long double is passed like a struct. */ + if (type == FFI_TYPE_LONGDOUBLE) + type = FFI_TYPE_STRUCT; +#endif + + /* Check how a structure type is passed. */ + if (type == FFI_TYPE_STRUCT) + { + type = ffi_check_struct_type (*ptr); + + /* If we pass the struct via pointer, we must reserve space + to copy its data for proper call-by-value semantics. */ + if (type == FFI_TYPE_POINTER) + struct_size += ROUND_SIZE ((*ptr)->size); + } + + /* Now handle all primitive int/float data types. */ + switch (type) + { + /* The first MAX_FPRARGS floating point arguments + go in FPRs, the rest overflow to the stack. */ + + case FFI_TYPE_DOUBLE: + if (n_fpr < MAX_FPRARGS) + n_fpr++; + else + n_ov += sizeof (double) / sizeof (long); + break; + + case FFI_TYPE_FLOAT: + if (n_fpr < MAX_FPRARGS) + n_fpr++; + else + n_ov++; + break; + + /* On 31-bit machines, 64-bit integers are passed in GPR pairs, + if one is still available, or else on the stack. If only one + register is free, skip the register (it won't be used for any + subsequent argument either). */ + +#ifndef __s390x__ + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + if (n_gpr == MAX_GPRARGS-1) + n_gpr = MAX_GPRARGS; + if (n_gpr < MAX_GPRARGS) + n_gpr += 2; + else + n_ov += 2; + break; +#endif + + /* Everything else is passed in GPRs (until MAX_GPRARGS + have been used) or overflows to the stack. */ + + default: + if (n_gpr < MAX_GPRARGS) + n_gpr++; + else + n_ov++; + break; + } + } + + /* Total stack space as required for overflow arguments + and temporary structure copies. */ + + cif->bytes = ROUND_SIZE (n_ov * sizeof (long)) + struct_size; + + return FFI_OK; +} + +/*======================== End of Routine ============================*/ + +/*====================================================================*/ +/* */ +/* Name - ffi_call. */ +/* */ +/* Function - Call the FFI routine. */ +/* */ +/*====================================================================*/ + +void +ffi_call(ffi_cif *cif, + void (*fn)(), + void *rvalue, + void **avalue) +{ + int ret_type = cif->flags; + extended_cif ecif; + + ecif.cif = cif; + ecif.avalue = avalue; + ecif.rvalue = rvalue; + + /* If we don't have a return value, we need to fake one. */ + if (rvalue == NULL) + { + if (ret_type == FFI390_RET_STRUCT) + ecif.rvalue = alloca (cif->rtype->size); + else + ret_type = FFI390_RET_VOID; + } + + switch (cif->abi) + { + case FFI_SYSV: + ffi_call_SYSV (cif->bytes, &ecif, ffi_prep_args, + ret_type, ecif.rvalue, fn); + break; + + default: + FFI_ASSERT (0); + break; + } +} + +/*======================== End of Routine ============================*/ + +/*====================================================================*/ +/* */ +/* Name - ffi_closure_helper_SYSV. */ +/* */ +/* Function - Call a FFI closure target function. */ +/* */ +/*====================================================================*/ + +void +ffi_closure_helper_SYSV (ffi_closure *closure, + unsigned long *p_gpr, + unsigned long long *p_fpr, + unsigned long *p_ov) +{ + unsigned long long ret_buffer; + + void *rvalue = &ret_buffer; + void **avalue; + void **p_arg; + + int n_gpr = 0; + int n_fpr = 0; + int n_ov = 0; + + ffi_type **ptr; + int i; + + /* Allocate buffer for argument list pointers. */ + + p_arg = avalue = alloca (closure->cif->nargs * sizeof (void *)); + + /* If we returning a structure, pass the structure address + directly to the target function. Otherwise, have the target + function store the return value to the GPR save area. */ + + if (closure->cif->flags == FFI390_RET_STRUCT) + rvalue = (void *) p_gpr[n_gpr++]; + + /* Now for the arguments. */ + + for (ptr = closure->cif->arg_types, i = closure->cif->nargs; + i > 0; + i--, p_arg++, ptr++) + { + int deref_struct_pointer = 0; + int type = (*ptr)->type; + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + /* 16-byte long double is passed like a struct. */ + if (type == FFI_TYPE_LONGDOUBLE) + type = FFI_TYPE_STRUCT; +#endif + + /* Check how a structure type is passed. */ + if (type == FFI_TYPE_STRUCT) + { + type = ffi_check_struct_type (*ptr); + + /* If we pass the struct via pointer, remember to + retrieve the pointer later. */ + if (type == FFI_TYPE_POINTER) + deref_struct_pointer = 1; + } + + /* Pointers are passed like UINTs of the same size. */ + if (type == FFI_TYPE_POINTER) +#ifdef __s390x__ + type = FFI_TYPE_UINT64; +#else + type = FFI_TYPE_UINT32; +#endif + + /* Now handle all primitive int/float data types. */ + switch (type) + { + case FFI_TYPE_DOUBLE: + if (n_fpr < MAX_FPRARGS) + *p_arg = &p_fpr[n_fpr++]; + else + *p_arg = &p_ov[n_ov], + n_ov += sizeof (double) / sizeof (long); + break; + + case FFI_TYPE_FLOAT: + if (n_fpr < MAX_FPRARGS) + *p_arg = &p_fpr[n_fpr++]; + else + *p_arg = (char *)&p_ov[n_ov++] + sizeof (long) - 4; + break; + + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: +#ifdef __s390x__ + if (n_gpr < MAX_GPRARGS) + *p_arg = &p_gpr[n_gpr++]; + else + *p_arg = &p_ov[n_ov++]; +#else + if (n_gpr == MAX_GPRARGS-1) + n_gpr = MAX_GPRARGS; + if (n_gpr < MAX_GPRARGS) + *p_arg = &p_gpr[n_gpr], n_gpr += 2; + else + *p_arg = &p_ov[n_ov], n_ov += 2; +#endif + break; + + case FFI_TYPE_INT: + case FFI_TYPE_UINT32: + case FFI_TYPE_SINT32: + if (n_gpr < MAX_GPRARGS) + *p_arg = (char *)&p_gpr[n_gpr++] + sizeof (long) - 4; + else + *p_arg = (char *)&p_ov[n_ov++] + sizeof (long) - 4; + break; + + case FFI_TYPE_UINT16: + case FFI_TYPE_SINT16: + if (n_gpr < MAX_GPRARGS) + *p_arg = (char *)&p_gpr[n_gpr++] + sizeof (long) - 2; + else + *p_arg = (char *)&p_ov[n_ov++] + sizeof (long) - 2; + break; + + case FFI_TYPE_UINT8: + case FFI_TYPE_SINT8: + if (n_gpr < MAX_GPRARGS) + *p_arg = (char *)&p_gpr[n_gpr++] + sizeof (long) - 1; + else + *p_arg = (char *)&p_ov[n_ov++] + sizeof (long) - 1; + break; + + default: + FFI_ASSERT (0); + break; + } + + /* If this is a struct passed via pointer, we need to + actually retrieve that pointer. */ + if (deref_struct_pointer) + *p_arg = *(void **)*p_arg; + } + + + /* Call the target function. */ + (closure->fun) (closure->cif, rvalue, avalue, closure->user_data); + + /* Convert the return value. */ + switch (closure->cif->rtype->type) + { + /* Void is easy, and so is struct. */ + case FFI_TYPE_VOID: + case FFI_TYPE_STRUCT: +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: +#endif + break; + + /* Floating point values are returned in fpr 0. */ + case FFI_TYPE_FLOAT: + p_fpr[0] = (long long) *(unsigned int *) rvalue << 32; + break; + + case FFI_TYPE_DOUBLE: + p_fpr[0] = *(unsigned long long *) rvalue; + break; + + /* Integer values are returned in gpr 2 (and gpr 3 + for 64-bit values on 31-bit machines). */ + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: +#ifdef __s390x__ + p_gpr[0] = *(unsigned long *) rvalue; +#else + p_gpr[0] = ((unsigned long *) rvalue)[0], + p_gpr[1] = ((unsigned long *) rvalue)[1]; +#endif + break; + + case FFI_TYPE_POINTER: + case FFI_TYPE_UINT32: + case FFI_TYPE_UINT16: + case FFI_TYPE_UINT8: + p_gpr[0] = *(unsigned long *) rvalue; + break; + + case FFI_TYPE_INT: + case FFI_TYPE_SINT32: + case FFI_TYPE_SINT16: + case FFI_TYPE_SINT8: + p_gpr[0] = *(signed long *) rvalue; + break; + + default: + FFI_ASSERT (0); + break; + } +} + +/*======================== End of Routine ============================*/ + +/*====================================================================*/ +/* */ +/* Name - ffi_prep_closure. */ +/* */ +/* Function - Prepare a FFI closure. */ +/* */ +/*====================================================================*/ + +ffi_status +ffi_prep_closure (ffi_closure *closure, + ffi_cif *cif, + void (*fun) (ffi_cif *, void *, void **, void *), + void *user_data) +{ + FFI_ASSERT (cif->abi == FFI_SYSV); + +#ifndef __s390x__ + *(short *)&closure->tramp [0] = 0x0d10; /* basr %r1,0 */ + *(short *)&closure->tramp [2] = 0x9801; /* lm %r0,%r1,6(%r1) */ + *(short *)&closure->tramp [4] = 0x1006; + *(short *)&closure->tramp [6] = 0x07f1; /* br %r1 */ + *(long *)&closure->tramp [8] = (long)closure; + *(long *)&closure->tramp[12] = (long)&ffi_closure_SYSV; +#else + *(short *)&closure->tramp [0] = 0x0d10; /* basr %r1,0 */ + *(short *)&closure->tramp [2] = 0xeb01; /* lmg %r0,%r1,14(%r1) */ + *(short *)&closure->tramp [4] = 0x100e; + *(short *)&closure->tramp [6] = 0x0004; + *(short *)&closure->tramp [8] = 0x07f1; /* br %r1 */ + *(long *)&closure->tramp[16] = (long)closure; + *(long *)&closure->tramp[24] = (long)&ffi_closure_SYSV; +#endif + + closure->cif = cif; + closure->user_data = user_data; + closure->fun = fun; + + return FFI_OK; +} + +/*======================== End of Routine ============================*/ + diff --git a/gcc-4.2.1/libffi/src/s390/ffitarget.h b/gcc-4.2.1/libffi/src/s390/ffitarget.h new file mode 100644 index 000000000..5ec8ade02 --- /dev/null +++ b/gcc-4.2.1/libffi/src/s390/ffitarget.h @@ -0,0 +1,59 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for S390. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +#if defined (__s390x__) +#define S390X +#endif + +/* ---- System specific configurations ----------------------------------- */ + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + FFI_SYSV, + FFI_DEFAULT_ABI = FFI_SYSV, + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; +#endif + + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 1 +#ifdef S390X +#define FFI_TRAMPOLINE_SIZE 32 +#else +#define FFI_TRAMPOLINE_SIZE 16 +#endif +#define FFI_NATIVE_RAW_API 0 + +#endif + diff --git a/gcc-4.2.1/libffi/src/s390/sysv.S b/gcc-4.2.1/libffi/src/s390/sysv.S new file mode 100644 index 000000000..e9cbed977 --- /dev/null +++ b/gcc-4.2.1/libffi/src/s390/sysv.S @@ -0,0 +1,429 @@ +/* ----------------------------------------------------------------------- + sysv.S - Copyright (c) 2000 Software AG + + S390 Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +#ifndef __s390x__ + +.text + + # r2: cif->bytes + # r3: &ecif + # r4: ffi_prep_args + # r5: ret_type + # r6: ecif.rvalue + # ov: fn + + # This assumes we are using gas. + .globl ffi_call_SYSV + .type ffi_call_SYSV,%function +ffi_call_SYSV: +.LFB1: + stm %r6,%r15,24(%r15) # Save registers +.LCFI0: + basr %r13,0 # Set up base register +.Lbase: + lr %r11,%r15 # Set up frame pointer +.LCFI1: + sr %r15,%r2 + ahi %r15,-96-48 # Allocate stack + lr %r8,%r6 # Save ecif.rvalue + sr %r9,%r9 + ic %r9,.Ltable-.Lbase(%r13,%r5) # Load epilog address + l %r7,96(%r11) # Load function address + st %r11,0(%r15) # Set up back chain + ahi %r11,-48 # Register save area +.LCFI2: + + la %r2,96(%r15) # Save area + # r3 already holds &ecif + basr %r14,%r4 # Call ffi_prep_args + + lm %r2,%r6,0(%r11) # Load arguments + ld %f0,32(%r11) + ld %f2,40(%r11) + la %r14,0(%r13,%r9) # Set return address + br %r7 # ... and call function + +.LretNone: # Return void + l %r4,48+56(%r11) + lm %r6,%r15,48+24(%r11) + br %r4 + +.LretFloat: + l %r4,48+56(%r11) + ste %f0,0(%r8) # Return float + lm %r6,%r15,48+24(%r11) + br %r4 + +.LretDouble: + l %r4,48+56(%r11) + std %f0,0(%r8) # Return double + lm %r6,%r15,48+24(%r11) + br %r4 + +.LretInt32: + l %r4,48+56(%r11) + st %r2,0(%r8) # Return int + lm %r6,%r15,48+24(%r11) + br %r4 + +.LretInt64: + l %r4,48+56(%r11) + stm %r2,%r3,0(%r8) # Return long long + lm %r6,%r15,48+24(%r11) + br %r4 + +.Ltable: + .byte .LretNone-.Lbase # FFI390_RET_VOID + .byte .LretNone-.Lbase # FFI390_RET_STRUCT + .byte .LretFloat-.Lbase # FFI390_RET_FLOAT + .byte .LretDouble-.Lbase # FFI390_RET_DOUBLE + .byte .LretInt32-.Lbase # FFI390_RET_INT32 + .byte .LretInt64-.Lbase # FFI390_RET_INT64 + +.LFE1: +.ffi_call_SYSV_end: + .size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV + + + .globl ffi_closure_SYSV + .type ffi_closure_SYSV,%function +ffi_closure_SYSV: +.LFB2: + stm %r12,%r15,48(%r15) # Save registers +.LCFI10: + basr %r13,0 # Set up base register +.Lcbase: + stm %r2,%r6,8(%r15) # Save arguments + std %f0,64(%r15) + std %f2,72(%r15) + lr %r1,%r15 # Set up stack frame + ahi %r15,-96 +.LCFI11: + l %r12,.Lchelper-.Lcbase(%r13) # Get helper function + lr %r2,%r0 # Closure + la %r3,8(%r1) # GPRs + la %r4,64(%r1) # FPRs + la %r5,96(%r1) # Overflow + st %r1,0(%r15) # Set up back chain + + bas %r14,0(%r12,%r13) # Call helper + + l %r4,96+56(%r15) + ld %f0,96+64(%r15) # Load return registers + lm %r2,%r3,96+8(%r15) + lm %r12,%r15,96+48(%r15) + br %r4 + + .align 4 +.Lchelper: + .long ffi_closure_helper_SYSV-.Lcbase + +.LFE2: + +.ffi_closure_SYSV_end: + .size ffi_closure_SYSV,.ffi_closure_SYSV_end-ffi_closure_SYSV + + + .section .eh_frame,EH_FRAME_FLAGS,@progbits +.Lframe1: + .4byte .LECIE1-.LSCIE1 # Length of Common Information Entry +.LSCIE1: + .4byte 0x0 # CIE Identifier Tag + .byte 0x1 # CIE Version + .ascii "zR\0" # CIE Augmentation + .uleb128 0x1 # CIE Code Alignment Factor + .sleb128 -4 # CIE Data Alignment Factor + .byte 0xe # CIE RA Column + .uleb128 0x1 # Augmentation size + .byte 0x1b # FDE Encoding (pcrel sdata4) + .byte 0xc # DW_CFA_def_cfa + .uleb128 0xf + .uleb128 0x60 + .align 4 +.LECIE1: +.LSFDE1: + .4byte .LEFDE1-.LASFDE1 # FDE Length +.LASFDE1: + .4byte .LASFDE1-.Lframe1 # FDE CIE offset + .4byte .LFB1-. # FDE initial location + .4byte .LFE1-.LFB1 # FDE address range + .uleb128 0x0 # Augmentation size + .byte 0x4 # DW_CFA_advance_loc4 + .4byte .LCFI0-.LFB1 + .byte 0x8f # DW_CFA_offset, column 0xf + .uleb128 0x9 + .byte 0x8e # DW_CFA_offset, column 0xe + .uleb128 0xa + .byte 0x8d # DW_CFA_offset, column 0xd + .uleb128 0xb + .byte 0x8c # DW_CFA_offset, column 0xc + .uleb128 0xc + .byte 0x8b # DW_CFA_offset, column 0xb + .uleb128 0xd + .byte 0x8a # DW_CFA_offset, column 0xa + .uleb128 0xe + .byte 0x89 # DW_CFA_offset, column 0x9 + .uleb128 0xf + .byte 0x88 # DW_CFA_offset, column 0x8 + .uleb128 0x10 + .byte 0x87 # DW_CFA_offset, column 0x7 + .uleb128 0x11 + .byte 0x86 # DW_CFA_offset, column 0x6 + .uleb128 0x12 + .byte 0x4 # DW_CFA_advance_loc4 + .4byte .LCFI1-.LCFI0 + .byte 0xd # DW_CFA_def_cfa_register + .uleb128 0xb + .byte 0x4 # DW_CFA_advance_loc4 + .4byte .LCFI2-.LCFI1 + .byte 0xe # DW_CFA_def_cfa_offset + .uleb128 0x90 + .align 4 +.LEFDE1: +.LSFDE2: + .4byte .LEFDE2-.LASFDE2 # FDE Length +.LASFDE2: + .4byte .LASFDE2-.Lframe1 # FDE CIE offset + .4byte .LFB2-. # FDE initial location + .4byte .LFE2-.LFB2 # FDE address range + .uleb128 0x0 # Augmentation size + .byte 0x4 # DW_CFA_advance_loc4 + .4byte .LCFI10-.LFB2 + .byte 0x8f # DW_CFA_offset, column 0xf + .uleb128 0x9 + .byte 0x8e # DW_CFA_offset, column 0xe + .uleb128 0xa + .byte 0x8d # DW_CFA_offset, column 0xd + .uleb128 0xb + .byte 0x8c # DW_CFA_offset, column 0xc + .uleb128 0xc + .byte 0x4 # DW_CFA_advance_loc4 + .4byte .LCFI11-.LCFI10 + .byte 0xe # DW_CFA_def_cfa_offset + .uleb128 0xc0 + .align 4 +.LEFDE2: + +#else + +.text + + # r2: cif->bytes + # r3: &ecif + # r4: ffi_prep_args + # r5: ret_type + # r6: ecif.rvalue + # ov: fn + + # This assumes we are using gas. + .globl ffi_call_SYSV + .type ffi_call_SYSV,%function +ffi_call_SYSV: +.LFB1: + stmg %r6,%r15,48(%r15) # Save registers +.LCFI0: + larl %r13,.Lbase # Set up base register + lgr %r11,%r15 # Set up frame pointer +.LCFI1: + sgr %r15,%r2 + aghi %r15,-160-80 # Allocate stack + lgr %r8,%r6 # Save ecif.rvalue + llgc %r9,.Ltable-.Lbase(%r13,%r5) # Load epilog address + lg %r7,160(%r11) # Load function address + stg %r11,0(%r15) # Set up back chain + aghi %r11,-80 # Register save area +.LCFI2: + + la %r2,160(%r15) # Save area + # r3 already holds &ecif + basr %r14,%r4 # Call ffi_prep_args + + lmg %r2,%r6,0(%r11) # Load arguments + ld %f0,48(%r11) + ld %f2,56(%r11) + ld %f4,64(%r11) + ld %f6,72(%r11) + la %r14,0(%r13,%r9) # Set return address + br %r7 # ... and call function + +.Lbase: +.LretNone: # Return void + lg %r4,80+112(%r11) + lmg %r6,%r15,80+48(%r11) + br %r4 + +.LretFloat: + lg %r4,80+112(%r11) + ste %f0,0(%r8) # Return float + lmg %r6,%r15,80+48(%r11) + br %r4 + +.LretDouble: + lg %r4,80+112(%r11) + std %f0,0(%r8) # Return double + lmg %r6,%r15,80+48(%r11) + br %r4 + +.LretInt32: + lg %r4,80+112(%r11) + st %r2,0(%r8) # Return int + lmg %r6,%r15,80+48(%r11) + br %r4 + +.LretInt64: + lg %r4,80+112(%r11) + stg %r2,0(%r8) # Return long + lmg %r6,%r15,80+48(%r11) + br %r4 + +.Ltable: + .byte .LretNone-.Lbase # FFI390_RET_VOID + .byte .LretNone-.Lbase # FFI390_RET_STRUCT + .byte .LretFloat-.Lbase # FFI390_RET_FLOAT + .byte .LretDouble-.Lbase # FFI390_RET_DOUBLE + .byte .LretInt32-.Lbase # FFI390_RET_INT32 + .byte .LretInt64-.Lbase # FFI390_RET_INT64 + +.LFE1: +.ffi_call_SYSV_end: + .size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV + + + .globl ffi_closure_SYSV + .type ffi_closure_SYSV,%function +ffi_closure_SYSV: +.LFB2: + stmg %r14,%r15,112(%r15) # Save registers +.LCFI10: + stmg %r2,%r6,16(%r15) # Save arguments + std %f0,128(%r15) + std %f2,136(%r15) + std %f4,144(%r15) + std %f6,152(%r15) + lgr %r1,%r15 # Set up stack frame + aghi %r15,-160 +.LCFI11: + lgr %r2,%r0 # Closure + la %r3,16(%r1) # GPRs + la %r4,128(%r1) # FPRs + la %r5,160(%r1) # Overflow + stg %r1,0(%r15) # Set up back chain + + brasl %r14,ffi_closure_helper_SYSV # Call helper + + lg %r14,160+112(%r15) + ld %f0,160+128(%r15) # Load return registers + lg %r2,160+16(%r15) + la %r15,160(%r15) + br %r14 +.LFE2: + +.ffi_closure_SYSV_end: + .size ffi_closure_SYSV,.ffi_closure_SYSV_end-ffi_closure_SYSV + + + + .section .eh_frame,EH_FRAME_FLAGS,@progbits +.Lframe1: + .4byte .LECIE1-.LSCIE1 # Length of Common Information Entry +.LSCIE1: + .4byte 0x0 # CIE Identifier Tag + .byte 0x1 # CIE Version + .ascii "zR\0" # CIE Augmentation + .uleb128 0x1 # CIE Code Alignment Factor + .sleb128 -8 # CIE Data Alignment Factor + .byte 0xe # CIE RA Column + .uleb128 0x1 # Augmentation size + .byte 0x1b # FDE Encoding (pcrel sdata4) + .byte 0xc # DW_CFA_def_cfa + .uleb128 0xf + .uleb128 0xa0 + .align 8 +.LECIE1: +.LSFDE1: + .4byte .LEFDE1-.LASFDE1 # FDE Length +.LASFDE1: + .4byte .LASFDE1-.Lframe1 # FDE CIE offset + .4byte .LFB1-. # FDE initial location + .4byte .LFE1-.LFB1 # FDE address range + .uleb128 0x0 # Augmentation size + .byte 0x4 # DW_CFA_advance_loc4 + .4byte .LCFI0-.LFB1 + .byte 0x8f # DW_CFA_offset, column 0xf + .uleb128 0x5 + .byte 0x8e # DW_CFA_offset, column 0xe + .uleb128 0x6 + .byte 0x8d # DW_CFA_offset, column 0xd + .uleb128 0x7 + .byte 0x8c # DW_CFA_offset, column 0xc + .uleb128 0x8 + .byte 0x8b # DW_CFA_offset, column 0xb + .uleb128 0x9 + .byte 0x8a # DW_CFA_offset, column 0xa + .uleb128 0xa + .byte 0x89 # DW_CFA_offset, column 0x9 + .uleb128 0xb + .byte 0x88 # DW_CFA_offset, column 0x8 + .uleb128 0xc + .byte 0x87 # DW_CFA_offset, column 0x7 + .uleb128 0xd + .byte 0x86 # DW_CFA_offset, column 0x6 + .uleb128 0xe + .byte 0x4 # DW_CFA_advance_loc4 + .4byte .LCFI1-.LCFI0 + .byte 0xd # DW_CFA_def_cfa_register + .uleb128 0xb + .byte 0x4 # DW_CFA_advance_loc4 + .4byte .LCFI2-.LCFI1 + .byte 0xe # DW_CFA_def_cfa_offset + .uleb128 0xf0 + .align 8 +.LEFDE1: +.LSFDE2: + .4byte .LEFDE2-.LASFDE2 # FDE Length +.LASFDE2: + .4byte .LASFDE2-.Lframe1 # FDE CIE offset + .4byte .LFB2-. # FDE initial location + .4byte .LFE2-.LFB2 # FDE address range + .uleb128 0x0 # Augmentation size + .byte 0x4 # DW_CFA_advance_loc4 + .4byte .LCFI10-.LFB2 + .byte 0x8f # DW_CFA_offset, column 0xf + .uleb128 0x5 + .byte 0x8e # DW_CFA_offset, column 0xe + .uleb128 0x6 + .byte 0x4 # DW_CFA_advance_loc4 + .4byte .LCFI11-.LCFI10 + .byte 0xe # DW_CFA_def_cfa_offset + .uleb128 0x140 + .align 8 +.LEFDE2: + +#endif + diff --git a/gcc-4.2.1/libffi/src/sh/ffi.c b/gcc-4.2.1/libffi/src/sh/ffi.c new file mode 100644 index 000000000..f347b507f --- /dev/null +++ b/gcc-4.2.1/libffi/src/sh/ffi.c @@ -0,0 +1,713 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 2002, 2003, 2004, 2005, 2006 Kaz Kojima + + SuperH Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> + +#define NGREGARG 4 +#if defined(__SH4__) +#define NFREGARG 8 +#endif + +#if defined(__HITACHI__) +#define STRUCT_VALUE_ADDRESS_WITH_ARG 1 +#else +#define STRUCT_VALUE_ADDRESS_WITH_ARG 0 +#endif + +/* If the structure has essentialy an unique element, return its type. */ +static int +simple_type (ffi_type *arg) +{ + if (arg->type != FFI_TYPE_STRUCT) + return arg->type; + else if (arg->elements[1]) + return FFI_TYPE_STRUCT; + + return simple_type (arg->elements[0]); +} + +static int +return_type (ffi_type *arg) +{ + unsigned short type; + + if (arg->type != FFI_TYPE_STRUCT) + return arg->type; + + type = simple_type (arg->elements[0]); + if (! arg->elements[1]) + { + switch (type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT32: + return FFI_TYPE_INT; + + default: + return type; + } + } + + /* gcc uses r0/r1 pair for some kind of structures. */ + if (arg->size <= 2 * sizeof (int)) + { + int i = 0; + ffi_type *e; + + while ((e = arg->elements[i++])) + { + type = simple_type (e); + switch (type) + { + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT32: + case FFI_TYPE_INT: + case FFI_TYPE_FLOAT: + return FFI_TYPE_UINT64; + + default: + break; + } + } + } + + return FFI_TYPE_STRUCT; +} + +/* ffi_prep_args is called by the assembly routine once stack space + has been allocated for the function's arguments */ + +void ffi_prep_args(char *stack, extended_cif *ecif) +{ + register unsigned int i; + register int tmp; + register unsigned int avn; + register void **p_argv; + register char *argp; + register ffi_type **p_arg; + int greg, ireg; +#if defined(__SH4__) + int freg = 0; +#endif + + tmp = 0; + argp = stack; + + if (return_type (ecif->cif->rtype) == FFI_TYPE_STRUCT) + { + *(void **) argp = ecif->rvalue; + argp += 4; + ireg = STRUCT_VALUE_ADDRESS_WITH_ARG ? 1 : 0; + } + else + ireg = 0; + + /* Set arguments for registers. */ + greg = ireg; + avn = ecif->cif->nargs; + p_argv = ecif->avalue; + + for (i = 0, p_arg = ecif->cif->arg_types; i < avn; i++, p_arg++, p_argv++) + { + size_t z; + + z = (*p_arg)->size; + if (z < sizeof(int)) + { + if (greg++ >= NGREGARG) + continue; + + z = sizeof(int); + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(signed int *) argp = (signed int)*(SINT8 *)(* p_argv); + break; + + case FFI_TYPE_UINT8: + *(unsigned int *) argp = (unsigned int)*(UINT8 *)(* p_argv); + break; + + case FFI_TYPE_SINT16: + *(signed int *) argp = (signed int)*(SINT16 *)(* p_argv); + break; + + case FFI_TYPE_UINT16: + *(unsigned int *) argp = (unsigned int)*(UINT16 *)(* p_argv); + break; + + case FFI_TYPE_STRUCT: + *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv); + break; + + default: + FFI_ASSERT(0); + } + argp += z; + } + else if (z == sizeof(int)) + { +#if defined(__SH4__) + if ((*p_arg)->type == FFI_TYPE_FLOAT) + { + if (freg++ >= NFREGARG) + continue; + } + else +#endif + { + if (greg++ >= NGREGARG) + continue; + } + *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv); + argp += z; + } +#if defined(__SH4__) + else if ((*p_arg)->type == FFI_TYPE_DOUBLE) + { + if (freg + 1 >= NFREGARG) + continue; + freg = (freg + 1) & ~1; + freg += 2; + memcpy (argp, *p_argv, z); + argp += z; + } +#endif + else + { + int n = (z + sizeof (int) - 1) / sizeof (int); +#if defined(__SH4__) + if (greg + n - 1 >= NGREGARG) + continue; +#else + if (greg >= NGREGARG) + continue; +#endif + greg += n; + memcpy (argp, *p_argv, z); + argp += n * sizeof (int); + } + } + + /* Set arguments on stack. */ + greg = ireg; +#if defined(__SH4__) + freg = 0; +#endif + p_argv = ecif->avalue; + + for (i = 0, p_arg = ecif->cif->arg_types; i < avn; i++, p_arg++, p_argv++) + { + size_t z; + + z = (*p_arg)->size; + if (z < sizeof(int)) + { + if (greg++ < NGREGARG) + continue; + + z = sizeof(int); + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(signed int *) argp = (signed int)*(SINT8 *)(* p_argv); + break; + + case FFI_TYPE_UINT8: + *(unsigned int *) argp = (unsigned int)*(UINT8 *)(* p_argv); + break; + + case FFI_TYPE_SINT16: + *(signed int *) argp = (signed int)*(SINT16 *)(* p_argv); + break; + + case FFI_TYPE_UINT16: + *(unsigned int *) argp = (unsigned int)*(UINT16 *)(* p_argv); + break; + + case FFI_TYPE_STRUCT: + *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv); + break; + + default: + FFI_ASSERT(0); + } + argp += z; + } + else if (z == sizeof(int)) + { +#if defined(__SH4__) + if ((*p_arg)->type == FFI_TYPE_FLOAT) + { + if (freg++ < NFREGARG) + continue; + } + else +#endif + { + if (greg++ < NGREGARG) + continue; + } + *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv); + argp += z; + } +#if defined(__SH4__) + else if ((*p_arg)->type == FFI_TYPE_DOUBLE) + { + if (freg + 1 < NFREGARG) + { + freg = (freg + 1) & ~1; + freg += 2; + continue; + } + memcpy (argp, *p_argv, z); + argp += z; + } +#endif + else + { + int n = (z + sizeof (int) - 1) / sizeof (int); + if (greg + n - 1 < NGREGARG) + { + greg += n; + continue; + } +#if (! defined(__SH4__)) + else if (greg < NGREGARG) + { + greg = NGREGARG; + continue; + } +#endif + memcpy (argp, *p_argv, z); + argp += n * sizeof (int); + } + } + + return; +} + +/* Perform machine dependent cif processing */ +ffi_status ffi_prep_cif_machdep(ffi_cif *cif) +{ + int i, j; + int size, type; + int n, m; + int greg; +#if defined(__SH4__) + int freg = 0; +#endif + + cif->flags = 0; + + greg = ((return_type (cif->rtype) == FFI_TYPE_STRUCT) && + STRUCT_VALUE_ADDRESS_WITH_ARG) ? 1 : 0; + +#if defined(__SH4__) + for (i = j = 0; i < cif->nargs && j < 12; i++) + { + type = (cif->arg_types)[i]->type; + switch (type) + { + case FFI_TYPE_FLOAT: + if (freg >= NFREGARG) + continue; + freg++; + cif->flags += ((cif->arg_types)[i]->type) << (2 * j); + j++; + break; + + case FFI_TYPE_DOUBLE: + if ((freg + 1) >= NFREGARG) + continue; + freg = (freg + 1) & ~1; + freg += 2; + cif->flags += ((cif->arg_types)[i]->type) << (2 * j); + j++; + break; + + default: + size = (cif->arg_types)[i]->size; + n = (size + sizeof (int) - 1) / sizeof (int); + if (greg + n - 1 >= NGREGARG) + continue; + greg += n; + for (m = 0; m < n; m++) + cif->flags += FFI_TYPE_INT << (2 * j++); + break; + } + } +#else + for (i = j = 0; i < cif->nargs && j < 4; i++) + { + size = (cif->arg_types)[i]->size; + n = (size + sizeof (int) - 1) / sizeof (int); + if (greg >= NGREGARG) + continue; + else if (greg + n - 1 >= NGREGARG) + n = NGREGARG - greg; + greg += n; + for (m = 0; m < n; m++) + cif->flags += FFI_TYPE_INT << (2 * j++); + } +#endif + + /* Set the return type flag */ + switch (cif->rtype->type) + { + case FFI_TYPE_STRUCT: + cif->flags += (unsigned) (return_type (cif->rtype)) << 24; + break; + + case FFI_TYPE_VOID: + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + cif->flags += (unsigned) cif->rtype->type << 24; + break; + + default: + cif->flags += FFI_TYPE_INT << 24; + break; + } + + return FFI_OK; +} + +extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *, + unsigned, unsigned, unsigned *, void (*fn)()); + +void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + extended_cif ecif; + UINT64 trvalue; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return */ + /* value address then we need to make one */ + + if (cif->rtype->type == FFI_TYPE_STRUCT + && return_type (cif->rtype) != FFI_TYPE_STRUCT) + ecif.rvalue = &trvalue; + else if ((rvalue == NULL) && + (cif->rtype->type == FFI_TYPE_STRUCT)) + { + ecif.rvalue = alloca(cif->rtype->size); + } + else + ecif.rvalue = rvalue; + + switch (cif->abi) + { + case FFI_SYSV: + ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes, cif->flags, ecif.rvalue, + fn); + break; + default: + FFI_ASSERT(0); + break; + } + + if (rvalue + && cif->rtype->type == FFI_TYPE_STRUCT + && return_type (cif->rtype) != FFI_TYPE_STRUCT) + memcpy (rvalue, &trvalue, cif->rtype->size); +} + +extern void ffi_closure_SYSV (void); +#if defined(__SH4__) +extern void __ic_invalidate (void *line); +#endif + +ffi_status +ffi_prep_closure (ffi_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif*, void*, void**, void*), + void *user_data) +{ + unsigned int *tramp; + unsigned short insn; + + FFI_ASSERT (cif->abi == FFI_GCC_SYSV); + + tramp = (unsigned int *) &closure->tramp[0]; + /* Set T bit if the function returns a struct pointed with R2. */ + insn = (return_type (cif->rtype) == FFI_TYPE_STRUCT + ? 0x0018 /* sett */ + : 0x0008 /* clrt */); + +#ifdef __LITTLE_ENDIAN__ + tramp[0] = 0xd301d102; + tramp[1] = 0x0000412b | (insn << 16); +#else + tramp[0] = 0xd102d301; + tramp[1] = 0x412b0000 | insn; +#endif + *(void **) &tramp[2] = (void *)closure; /* ctx */ + *(void **) &tramp[3] = (void *)ffi_closure_SYSV; /* funaddr */ + + closure->cif = cif; + closure->fun = fun; + closure->user_data = user_data; + +#if defined(__SH4__) + /* Flush the icache. */ + __ic_invalidate(&closure->tramp[0]); +#endif + + return FFI_OK; +} + +/* Basically the trampoline invokes ffi_closure_SYSV, and on + * entry, r3 holds the address of the closure. + * After storing the registers that could possibly contain + * parameters to be passed into the stack frame and setting + * up space for a return value, ffi_closure_SYSV invokes the + * following helper function to do most of the work. + */ + +#ifdef __LITTLE_ENDIAN__ +#define OFS_INT8 0 +#define OFS_INT16 0 +#else +#define OFS_INT8 3 +#define OFS_INT16 2 +#endif + +int +ffi_closure_helper_SYSV (ffi_closure *closure, void *rvalue, + unsigned long *pgr, unsigned long *pfr, + unsigned long *pst) +{ + void **avalue; + ffi_type **p_arg; + int i, avn; + int ireg, greg = 0; +#if defined(__SH4__) + int freg = 0; +#endif + ffi_cif *cif; + + cif = closure->cif; + avalue = alloca(cif->nargs * sizeof(void *)); + + /* Copy the caller's structure return value address so that the closure + returns the data directly to the caller. */ + if (cif->rtype->type == FFI_TYPE_STRUCT && STRUCT_VALUE_ADDRESS_WITH_ARG) + { + rvalue = (void *) *pgr++; + ireg = 1; + } + else + ireg = 0; + + cif = closure->cif; + greg = ireg; + avn = cif->nargs; + + /* Grab the addresses of the arguments from the stack frame. */ + for (i = 0, p_arg = cif->arg_types; i < avn; i++, p_arg++) + { + size_t z; + + z = (*p_arg)->size; + if (z < sizeof(int)) + { + if (greg++ >= NGREGARG) + continue; + + z = sizeof(int); + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + avalue[i] = (((char *)pgr) + OFS_INT8); + break; + + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + avalue[i] = (((char *)pgr) + OFS_INT16); + break; + + case FFI_TYPE_STRUCT: + avalue[i] = pgr; + break; + + default: + FFI_ASSERT(0); + } + pgr++; + } + else if (z == sizeof(int)) + { +#if defined(__SH4__) + if ((*p_arg)->type == FFI_TYPE_FLOAT) + { + if (freg++ >= NFREGARG) + continue; + avalue[i] = pfr; + pfr++; + } + else +#endif + { + if (greg++ >= NGREGARG) + continue; + avalue[i] = pgr; + pgr++; + } + } +#if defined(__SH4__) + else if ((*p_arg)->type == FFI_TYPE_DOUBLE) + { + if (freg + 1 >= NFREGARG) + continue; + if (freg & 1) + pfr++; + freg = (freg + 1) & ~1; + freg += 2; + avalue[i] = pfr; + pfr += 2; + } +#endif + else + { + int n = (z + sizeof (int) - 1) / sizeof (int); +#if defined(__SH4__) + if (greg + n - 1 >= NGREGARG) + continue; +#else + if (greg >= NGREGARG) + continue; +#endif + greg += n; + avalue[i] = pgr; + pgr += n; + } + } + + greg = ireg; +#if defined(__SH4__) + freg = 0; +#endif + + for (i = 0, p_arg = cif->arg_types; i < avn; i++, p_arg++) + { + size_t z; + + z = (*p_arg)->size; + if (z < sizeof(int)) + { + if (greg++ < NGREGARG) + continue; + + z = sizeof(int); + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + avalue[i] = (((char *)pst) + OFS_INT8); + break; + + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + avalue[i] = (((char *)pst) + OFS_INT16); + break; + + case FFI_TYPE_STRUCT: + avalue[i] = pst; + break; + + default: + FFI_ASSERT(0); + } + pst++; + } + else if (z == sizeof(int)) + { +#if defined(__SH4__) + if ((*p_arg)->type == FFI_TYPE_FLOAT) + { + if (freg++ < NFREGARG) + continue; + } + else +#endif + { + if (greg++ < NGREGARG) + continue; + } + avalue[i] = pst; + pst++; + } +#if defined(__SH4__) + else if ((*p_arg)->type == FFI_TYPE_DOUBLE) + { + if (freg + 1 < NFREGARG) + { + freg = (freg + 1) & ~1; + freg += 2; + continue; + } + avalue[i] = pst; + pst += 2; + } +#endif + else + { + int n = (z + sizeof (int) - 1) / sizeof (int); + if (greg + n - 1 < NGREGARG) + { + greg += n; + continue; + } +#if (! defined(__SH4__)) + else if (greg < NGREGARG) + { + greg += n; + pst += greg - NGREGARG; + continue; + } +#endif + avalue[i] = pst; + pst += n; + } + } + + (closure->fun) (cif, rvalue, avalue, closure->user_data); + + /* Tell ffi_closure_SYSV how to perform return type promotions. */ + return return_type (cif->rtype); +} diff --git a/gcc-4.2.1/libffi/src/sh/ffitarget.h b/gcc-4.2.1/libffi/src/sh/ffitarget.h new file mode 100644 index 000000000..f8492a1c0 --- /dev/null +++ b/gcc-4.2.1/libffi/src/sh/ffitarget.h @@ -0,0 +1,48 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for SuperH. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +/* ---- Generic type definitions ----------------------------------------- */ + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + FFI_SYSV, + FFI_DEFAULT_ABI = FFI_SYSV, + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; +#endif + +#define FFI_CLOSURES 1 +#define FFI_TRAMPOLINE_SIZE 16 +#define FFI_NATIVE_RAW_API 0 + +#endif + diff --git a/gcc-4.2.1/libffi/src/sh/sysv.S b/gcc-4.2.1/libffi/src/sh/sysv.S new file mode 100644 index 000000000..6628f2d1e --- /dev/null +++ b/gcc-4.2.1/libffi/src/sh/sysv.S @@ -0,0 +1,845 @@ +/* ----------------------------------------------------------------------- + sysv.S - Copyright (c) 2002, 2003, 2004, 2006 Kaz Kojima + + SuperH Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> +#ifdef HAVE_MACHINE_ASM_H +#include <machine/asm.h> +#else +/* XXX these lose for some platforms, I'm sure. */ +#define CNAME(x) x +#define ENTRY(x) .globl CNAME(x); .type CNAME(x),%function; CNAME(x): +#endif + +#if defined(__HITACHI__) +#define STRUCT_VALUE_ADDRESS_WITH_ARG 1 +#else +#define STRUCT_VALUE_ADDRESS_WITH_ARG 0 +#endif + +.text + + # r4: ffi_prep_args + # r5: &ecif + # r6: bytes + # r7: flags + # sp+0: rvalue + # sp+4: fn + + # This assumes we are using gas. +ENTRY(ffi_call_SYSV) + # Save registers +.LFB1: + mov.l r8,@-r15 +.LCFI0: + mov.l r9,@-r15 +.LCFI1: + mov.l r10,@-r15 +.LCFI2: + mov.l r12,@-r15 +.LCFI3: + mov.l r14,@-r15 +.LCFI4: + sts.l pr,@-r15 +.LCFI5: + mov r15,r14 +.LCFI6: +#if defined(__SH4__) + mov r6,r8 + mov r7,r9 + + sub r6,r15 + add #-16,r15 + mov #~7,r0 + and r0,r15 + + mov r4,r0 + jsr @r0 + mov r15,r4 + + mov r9,r1 + shlr8 r9 + shlr8 r9 + shlr8 r9 + + mov #FFI_TYPE_STRUCT,r2 + cmp/eq r2,r9 + bf 1f +#if STRUCT_VALUE_ADDRESS_WITH_ARG + mov.l @r15+,r4 + bra 2f + mov #5,r2 +#else + mov.l @r15+,r10 +#endif +1: + mov #4,r2 +2: + mov #4,r3 + +L_pass: + cmp/pl r8 + bf L_call_it + + mov r1,r0 + and #3,r0 + +L_pass_d: + cmp/eq #FFI_TYPE_DOUBLE,r0 + bf L_pass_f + + mov r3,r0 + and #1,r0 + tst r0,r0 + bt 1f + add #1,r3 +1: + mov #12,r0 + cmp/hs r0,r3 + bt/s 3f + shlr2 r1 + bsr L_pop_d + nop +3: + add #2,r3 + bra L_pass + add #-8,r8 + +L_pop_d: + mov r3,r0 + add r0,r0 + add r3,r0 + add #-12,r0 + braf r0 + nop +#ifdef __LITTLE_ENDIAN__ + fmov.s @r15+,fr5 + rts + fmov.s @r15+,fr4 + fmov.s @r15+,fr7 + rts + fmov.s @r15+,fr6 + fmov.s @r15+,fr9 + rts + fmov.s @r15+,fr8 + fmov.s @r15+,fr11 + rts + fmov.s @r15+,fr10 +#else + fmov.s @r15+,fr4 + rts + fmov.s @r15+,fr5 + fmov.s @r15+,fr6 + rts + fmov.s @r15+,fr7 + fmov.s @r15+,fr8 + rts + fmov.s @r15+,fr9 + fmov.s @r15+,fr10 + rts + fmov.s @r15+,fr11 +#endif + +L_pass_f: + cmp/eq #FFI_TYPE_FLOAT,r0 + bf L_pass_i + + mov #12,r0 + cmp/hs r0,r3 + bt/s 2f + shlr2 r1 + bsr L_pop_f + nop +2: + add #1,r3 + bra L_pass + add #-4,r8 + +L_pop_f: + mov r3,r0 + shll2 r0 + add #-16,r0 + braf r0 + nop +#ifdef __LITTLE_ENDIAN__ + rts + fmov.s @r15+,fr5 + rts + fmov.s @r15+,fr4 + rts + fmov.s @r15+,fr7 + rts + fmov.s @r15+,fr6 + rts + fmov.s @r15+,fr9 + rts + fmov.s @r15+,fr8 + rts + fmov.s @r15+,fr11 + rts + fmov.s @r15+,fr10 +#else + rts + fmov.s @r15+,fr4 + rts + fmov.s @r15+,fr5 + rts + fmov.s @r15+,fr6 + rts + fmov.s @r15+,fr7 + rts + fmov.s @r15+,fr8 + rts + fmov.s @r15+,fr9 + rts + fmov.s @r15+,fr10 + rts + fmov.s @r15+,fr11 +#endif + +L_pass_i: + cmp/eq #FFI_TYPE_INT,r0 + bf L_call_it + + mov #8,r0 + cmp/hs r0,r2 + bt/s 2f + shlr2 r1 + bsr L_pop_i + nop +2: + add #1,r2 + bra L_pass + add #-4,r8 + +L_pop_i: + mov r2,r0 + shll2 r0 + add #-16,r0 + braf r0 + nop + rts + mov.l @r15+,r4 + rts + mov.l @r15+,r5 + rts + mov.l @r15+,r6 + rts + mov.l @r15+,r7 + +L_call_it: + # call function +#if (! STRUCT_VALUE_ADDRESS_WITH_ARG) + mov r10, r2 +#endif + mov.l @(28,r14),r1 + jsr @r1 + nop + +L_ret_d: + mov #FFI_TYPE_DOUBLE,r2 + cmp/eq r2,r9 + bf L_ret_ll + + mov.l @(24,r14),r1 +#ifdef __LITTLE_ENDIAN__ + fmov.s fr1,@r1 + add #4,r1 + bra L_epilogue + fmov.s fr0,@r1 +#else + fmov.s fr0,@r1 + add #4,r1 + bra L_epilogue + fmov.s fr1,@r1 +#endif + +L_ret_ll: + mov #FFI_TYPE_SINT64,r2 + cmp/eq r2,r9 + bt/s 1f + mov #FFI_TYPE_UINT64,r2 + cmp/eq r2,r9 + bf L_ret_f + +1: + mov.l @(24,r14),r2 + mov.l r0,@r2 + bra L_epilogue + mov.l r1,@(4,r2) + +L_ret_f: + mov #FFI_TYPE_FLOAT,r2 + cmp/eq r2,r9 + bf L_ret_i + + mov.l @(24,r14),r1 + bra L_epilogue + fmov.s fr0,@r1 + +L_ret_i: + mov #FFI_TYPE_INT,r2 + cmp/eq r2,r9 + bf L_epilogue + + mov.l @(24,r14),r1 + bra L_epilogue + mov.l r0,@r1 + +L_epilogue: + # Remove the space we pushed for the args + mov r14,r15 + + lds.l @r15+,pr + mov.l @r15+,r14 + mov.l @r15+,r12 + mov.l @r15+,r10 + mov.l @r15+,r9 + rts + mov.l @r15+,r8 +#else + mov r6,r8 + mov r7,r9 + + sub r6,r15 + add #-16,r15 + mov #~7,r0 + and r0,r15 + + mov r4,r0 + jsr @r0 + mov r15,r4 + + mov r9,r3 + shlr8 r9 + shlr8 r9 + shlr8 r9 + + mov #FFI_TYPE_STRUCT,r2 + cmp/eq r2,r9 + bf 1f +#if STRUCT_VALUE_ADDRESS_WITH_ARG + mov.l @r15+,r4 + bra 2f + mov #5,r2 +#else + mov.l @r15+,r10 +#endif +1: + mov #4,r2 +2: + +L_pass: + cmp/pl r8 + bf L_call_it + + mov r3,r0 + and #3,r0 + +L_pass_d: + cmp/eq #FFI_TYPE_DOUBLE,r0 + bf L_pass_i + + mov r15,r0 + and #7,r0 + tst r0,r0 + bt 1f + add #4,r15 +1: + mov #8,r0 + cmp/hs r0,r2 + bt/s 2f + shlr2 r3 + bsr L_pop_d + nop +2: + add #2,r2 + bra L_pass + add #-8,r8 + +L_pop_d: + mov r2,r0 + add r0,r0 + add r2,r0 + add #-12,r0 + add r0,r0 + braf r0 + nop + mov.l @r15+,r4 + rts + mov.l @r15+,r5 + mov.l @r15+,r5 + rts + mov.l @r15+,r6 + mov.l @r15+,r6 + rts + mov.l @r15+,r7 + rts + mov.l @r15+,r7 + +L_pass_i: + cmp/eq #FFI_TYPE_INT,r0 + bf L_call_it + + mov #8,r0 + cmp/hs r0,r2 + bt/s 2f + shlr2 r3 + bsr L_pop_i + nop +2: + add #1,r2 + bra L_pass + add #-4,r8 + +L_pop_i: + mov r2,r0 + shll2 r0 + add #-16,r0 + braf r0 + nop + rts + mov.l @r15+,r4 + rts + mov.l @r15+,r5 + rts + mov.l @r15+,r6 + rts + mov.l @r15+,r7 + +L_call_it: + # call function +#if (! STRUCT_VALUE_ADDRESS_WITH_ARG) + mov r10, r2 +#endif + mov.l @(28,r14),r1 + jsr @r1 + nop + +L_ret_d: + mov #FFI_TYPE_DOUBLE,r2 + cmp/eq r2,r9 + bf L_ret_ll + + mov.l @(24,r14),r2 + mov.l r0,@r2 + bra L_epilogue + mov.l r1,@(4,r2) + +L_ret_ll: + mov #FFI_TYPE_SINT64,r2 + cmp/eq r2,r9 + bt/s 1f + mov #FFI_TYPE_UINT64,r2 + cmp/eq r2,r9 + bf L_ret_i + +1: + mov.l @(24,r14),r2 + mov.l r0,@r2 + bra L_epilogue + mov.l r1,@(4,r2) + +L_ret_i: + mov #FFI_TYPE_FLOAT,r2 + cmp/eq r2,r9 + bt 1f + mov #FFI_TYPE_INT,r2 + cmp/eq r2,r9 + bf L_epilogue +1: + mov.l @(24,r14),r1 + bra L_epilogue + mov.l r0,@r1 + +L_epilogue: + # Remove the space we pushed for the args + mov r14,r15 + + lds.l @r15+,pr + mov.l @r15+,r14 + mov.l @r15+,r12 + mov.l @r15+,r10 + mov.l @r15+,r9 + rts + mov.l @r15+,r8 +#endif +.LFE1: +.ffi_call_SYSV_end: + .size CNAME(ffi_call_SYSV),.ffi_call_SYSV_end-CNAME(ffi_call_SYSV) + +.globl ffi_closure_helper_SYSV + +ENTRY(ffi_closure_SYSV) +.LFB2: + mov.l r7,@-r15 +.LCFI7: + mov.l r6,@-r15 +.LCFI8: + mov.l r5,@-r15 +.LCFI9: + mov.l r4,@-r15 +.LCFIA: + mov.l r14,@-r15 +.LCFIB: + sts.l pr,@-r15 + + /* Stack layout: + xx bytes (on stack parameters) + 16 bytes (register parameters) + 4 bytes (saved frame pointer) + 4 bytes (saved return address) + 32 bytes (floating register parameters, SH-4 only) + 8 bytes (result) + 4 bytes (pad) + 4 bytes (5th arg) + <- new stack pointer + */ +.LCFIC: +#if defined(__SH4__) + add #-48,r15 +#else + add #-16,r15 +#endif +.LCFID: + mov r15,r14 +.LCFIE: + +#if defined(__SH4__) + mov r14,r1 + add #48,r1 +#ifdef __LITTLE_ENDIAN__ + fmov.s fr10,@-r1 + fmov.s fr11,@-r1 + fmov.s fr8,@-r1 + fmov.s fr9,@-r1 + fmov.s fr6,@-r1 + fmov.s fr7,@-r1 + fmov.s fr4,@-r1 + fmov.s fr5,@-r1 +#else + fmov.s fr11,@-r1 + fmov.s fr10,@-r1 + fmov.s fr9,@-r1 + fmov.s fr8,@-r1 + fmov.s fr7,@-r1 + fmov.s fr6,@-r1 + fmov.s fr5,@-r1 + fmov.s fr4,@-r1 +#endif + mov r1,r7 + mov r14,r6 + add #56,r6 +#else + mov r14,r6 + add #24,r6 +#endif + + bt/s 10f + mov r2, r5 + mov r14,r1 + add #8,r1 + mov r1,r5 +10: + + mov r14,r1 +#if defined(__SH4__) + add #72,r1 +#else + add #40,r1 +#endif + mov.l r1,@r14 + +#ifdef PIC + mov.l L_got,r1 + mova L_got,r0 + add r0,r1 + mov.l L_helper,r0 + add r1,r0 +#else + mov.l L_helper,r0 +#endif + jsr @r0 + mov r3,r4 + + shll r0 + mov r0,r1 + mova L_table,r0 + add r1,r0 + mov.w @r0,r0 + mov r14,r2 + braf r0 + add #8,r2 +0: + .align 2 +#ifdef PIC +L_got: + .long _GLOBAL_OFFSET_TABLE_ +L_helper: + .long ffi_closure_helper_SYSV@GOTOFF +#else +L_helper: + .long ffi_closure_helper_SYSV +#endif +L_table: + .short L_case_v - 0b /* FFI_TYPE_VOID */ + .short L_case_i - 0b /* FFI_TYPE_INT */ +#if defined(__SH4__) + .short L_case_f - 0b /* FFI_TYPE_FLOAT */ + .short L_case_d - 0b /* FFI_TYPE_DOUBLE */ + .short L_case_d - 0b /* FFI_TYPE_LONGDOUBLE */ +#else + .short L_case_i - 0b /* FFI_TYPE_FLOAT */ + .short L_case_ll - 0b /* FFI_TYPE_DOUBLE */ + .short L_case_ll - 0b /* FFI_TYPE_LONGDOUBLE */ +#endif + .short L_case_uq - 0b /* FFI_TYPE_UINT8 */ + .short L_case_q - 0b /* FFI_TYPE_SINT8 */ + .short L_case_uh - 0b /* FFI_TYPE_UINT16 */ + .short L_case_h - 0b /* FFI_TYPE_SINT16 */ + .short L_case_i - 0b /* FFI_TYPE_UINT32 */ + .short L_case_i - 0b /* FFI_TYPE_SINT32 */ + .short L_case_ll - 0b /* FFI_TYPE_UINT64 */ + .short L_case_ll - 0b /* FFI_TYPE_SINT64 */ + .short L_case_v - 0b /* FFI_TYPE_STRUCT */ + .short L_case_i - 0b /* FFI_TYPE_POINTER */ + +#if defined(__SH4__) +L_case_d: +#ifdef __LITTLE_ENDIAN__ + fmov.s @r2+,fr1 + bra L_case_v + fmov.s @r2,fr0 +#else + fmov.s @r2+,fr0 + bra L_case_v + fmov.s @r2,fr1 +#endif + +L_case_f: + bra L_case_v + fmov.s @r2,fr0 +#endif + +L_case_ll: + mov.l @r2+,r0 + bra L_case_v + mov.l @r2,r1 + +L_case_i: + bra L_case_v + mov.l @r2,r0 + +L_case_q: +#ifdef __LITTLE_ENDIAN__ +#else + add #3,r2 +#endif + bra L_case_v + mov.b @r2,r0 + +L_case_uq: +#ifdef __LITTLE_ENDIAN__ +#else + add #3,r2 +#endif + mov.b @r2,r0 + bra L_case_v + extu.b r0,r0 + +L_case_h: +#ifdef __LITTLE_ENDIAN__ +#else + add #2,r2 +#endif + bra L_case_v + mov.w @r2,r0 + +L_case_uh: +#ifdef __LITTLE_ENDIAN__ +#else + add #2,r2 +#endif + mov.w @r2,r0 + extu.w r0,r0 + /* fall through */ + +L_case_v: +#if defined(__SH4__) + add #48,r15 +#else + add #16,r15 +#endif + lds.l @r15+,pr + mov.l @r15+,r14 + rts + add #16,r15 +.LFE2: +.ffi_closure_SYSV_end: + .size CNAME(ffi_closure_SYSV),.ffi_closure_SYSV_end-CNAME(ffi_closure_SYSV) + + .section ".eh_frame","aw",@progbits +__FRAME_BEGIN__: + .4byte .LECIE1-.LSCIE1 /* Length of Common Information Entry */ +.LSCIE1: + .4byte 0x0 /* CIE Identifier Tag */ + .byte 0x1 /* CIE Version */ +#ifdef PIC + .ascii "zR\0" /* CIE Augmentation */ +#else + .byte 0x0 /* CIE Augmentation */ +#endif + .byte 0x1 /* uleb128 0x1; CIE Code Alignment Factor */ + .byte 0x7c /* sleb128 -4; CIE Data Alignment Factor */ + .byte 0x11 /* CIE RA Column */ +#ifdef PIC + .uleb128 0x1 /* Augmentation size */ + .byte 0x10 /* FDE Encoding (pcrel) */ +#endif + .byte 0xc /* DW_CFA_def_cfa */ + .byte 0xf /* uleb128 0xf */ + .byte 0x0 /* uleb128 0x0 */ + .align 2 +.LECIE1: +.LSFDE1: + .4byte .LEFDE1-.LASFDE1 /* FDE Length */ +.LASFDE1: + .4byte .LASFDE1-__FRAME_BEGIN__ /* FDE CIE offset */ +#ifdef PIC + .4byte .LFB1-. /* FDE initial location */ +#else + .4byte .LFB1 /* FDE initial location */ +#endif + .4byte .LFE1-.LFB1 /* FDE address range */ +#ifdef PIC + .uleb128 0x0 /* Augmentation size */ +#endif + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI0-.LFB1 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x4 /* uleb128 0x4 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI1-.LCFI0 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x8 /* uleb128 0x4 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI2-.LCFI1 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0xc /* uleb128 0x4 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI3-.LCFI2 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x10 /* uleb128 0x4 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI4-.LCFI3 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x14 /* uleb128 0x4 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI5-.LCFI4 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x18 /* uleb128 0x4 */ + .byte 0x91 /* DW_CFA_offset, column 0x11 */ + .byte 0x6 /* uleb128 0x6 */ + .byte 0x8e /* DW_CFA_offset, column 0xe */ + .byte 0x5 /* uleb128 0x5 */ + .byte 0x8c /* DW_CFA_offset, column 0xc */ + .byte 0x4 /* uleb128 0x4 */ + .byte 0x8a /* DW_CFA_offset, column 0xa */ + .byte 0x3 /* uleb128 0x3 */ + .byte 0x89 /* DW_CFA_offset, column 0x9 */ + .byte 0x2 /* uleb128 0x2 */ + .byte 0x88 /* DW_CFA_offset, column 0x8 */ + .byte 0x1 /* uleb128 0x1 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI6-.LCFI5 + .byte 0xd /* DW_CFA_def_cfa_register */ + .byte 0xe /* uleb128 0xe */ + .align 2 +.LEFDE1: + +.LSFDE3: + .4byte .LEFDE3-.LASFDE3 /* FDE Length */ +.LASFDE3: + .4byte .LASFDE3-__FRAME_BEGIN__ /* FDE CIE offset */ +#ifdef PIC + .4byte .LFB2-. /* FDE initial location */ +#else + .4byte .LFB2 /* FDE initial location */ +#endif + .4byte .LFE2-.LFB2 /* FDE address range */ +#ifdef PIC + .uleb128 0x0 /* Augmentation size */ +#endif + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI7-.LFB2 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x4 /* uleb128 0x4 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI8-.LCFI7 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x8 /* uleb128 0x4 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFI9-.LCFI8 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0xc /* uleb128 0x4 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFIA-.LCFI9 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x10 /* uleb128 0x4 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFIB-.LCFIA + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x14 /* uleb128 0x4 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFIC-.LCFIB + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x18 /* uleb128 0x4 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFID-.LCFIC + .byte 0xe /* DW_CFA_def_cfa_offset */ +#if defined(__SH4__) + .byte 24+48 /* uleb128 24+48 */ +#else + .byte 24+16 /* uleb128 24+16 */ +#endif + .byte 0x91 /* DW_CFA_offset, column 0x11 */ + .byte 0x6 /* uleb128 0x6 */ + .byte 0x8e /* DW_CFA_offset, column 0xe */ + .byte 0x5 /* uleb128 0x5 */ + .byte 0x84 /* DW_CFA_offset, column 0x4 */ + .byte 0x4 /* uleb128 0x4 */ + .byte 0x85 /* DW_CFA_offset, column 0x5 */ + .byte 0x3 /* uleb128 0x3 */ + .byte 0x86 /* DW_CFA_offset, column 0x6 */ + .byte 0x2 /* uleb128 0x2 */ + .byte 0x87 /* DW_CFA_offset, column 0x7 */ + .byte 0x1 /* uleb128 0x1 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte .LCFIE-.LCFID + .byte 0xd /* DW_CFA_def_cfa_register */ + .byte 0xe /* uleb128 0xe */ + .align 2 +.LEFDE3: diff --git a/gcc-4.2.1/libffi/src/sh64/ffi.c b/gcc-4.2.1/libffi/src/sh64/ffi.c new file mode 100644 index 000000000..caca436fc --- /dev/null +++ b/gcc-4.2.1/libffi/src/sh64/ffi.c @@ -0,0 +1,455 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 2003, 2004, 2006 Kaz Kojima + + SuperH SHmedia Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> + +#define NGREGARG 8 +#define NFREGARG 12 + +static int +return_type (ffi_type *arg) +{ + + if (arg->type != FFI_TYPE_STRUCT) + return arg->type; + + /* gcc uses r2 if the result can be packed in on register. */ + if (arg->size <= sizeof (UINT8)) + return FFI_TYPE_UINT8; + else if (arg->size <= sizeof (UINT16)) + return FFI_TYPE_UINT16; + else if (arg->size <= sizeof (UINT32)) + return FFI_TYPE_UINT32; + else if (arg->size <= sizeof (UINT64)) + return FFI_TYPE_UINT64; + + return FFI_TYPE_STRUCT; +} + +/* ffi_prep_args is called by the assembly routine once stack space + has been allocated for the function's arguments */ + +void ffi_prep_args(char *stack, extended_cif *ecif) +{ + register unsigned int i; + register unsigned int avn; + register void **p_argv; + register char *argp; + register ffi_type **p_arg; + + argp = stack; + + if (return_type (ecif->cif->rtype) == FFI_TYPE_STRUCT) + { + *(void **) argp = ecif->rvalue; + argp += sizeof (UINT64); + } + + avn = ecif->cif->nargs; + p_argv = ecif->avalue; + + for (i = 0, p_arg = ecif->cif->arg_types; i < avn; i++, p_arg++, p_argv++) + { + size_t z; + int align; + + z = (*p_arg)->size; + align = (*p_arg)->alignment; + if (z < sizeof (UINT32)) + { + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(SINT64 *) argp = (SINT64) *(SINT8 *)(*p_argv); + break; + + case FFI_TYPE_UINT8: + *(UINT64 *) argp = (UINT64) *(UINT8 *)(*p_argv); + break; + + case FFI_TYPE_SINT16: + *(SINT64 *) argp = (SINT64) *(SINT16 *)(*p_argv); + break; + + case FFI_TYPE_UINT16: + *(UINT64 *) argp = (UINT64) *(UINT16 *)(*p_argv); + break; + + case FFI_TYPE_STRUCT: + memcpy (argp, *p_argv, z); + break; + + default: + FFI_ASSERT(0); + } + argp += sizeof (UINT64); + } + else if (z == sizeof (UINT32) && align == sizeof (UINT32)) + { + switch ((*p_arg)->type) + { + case FFI_TYPE_INT: + case FFI_TYPE_SINT32: + *(SINT64 *) argp = (SINT64) *(SINT32 *) (*p_argv); + break; + + case FFI_TYPE_FLOAT: + case FFI_TYPE_POINTER: + case FFI_TYPE_UINT32: + case FFI_TYPE_STRUCT: + *(UINT64 *) argp = (UINT64) *(UINT32 *) (*p_argv); + break; + + default: + FFI_ASSERT(0); + break; + } + argp += sizeof (UINT64); + } + else if (z == sizeof (UINT64) + && align == sizeof (UINT64) + && ((int) *p_argv & (sizeof (UINT64) - 1)) == 0) + { + *(UINT64 *) argp = *(UINT64 *) (*p_argv); + argp += sizeof (UINT64); + } + else + { + int n = (z + sizeof (UINT64) - 1) / sizeof (UINT64); + + memcpy (argp, *p_argv, z); + argp += n * sizeof (UINT64); + } + } + + return; +} + +/* Perform machine dependent cif processing */ +ffi_status ffi_prep_cif_machdep(ffi_cif *cif) +{ + int i, j; + int size, type; + int n, m; + int greg; + int freg; + int fpair = -1; + + greg = (return_type (cif->rtype) == FFI_TYPE_STRUCT ? 1 : 0); + freg = 0; + cif->flags2 = 0; + + for (i = j = 0; i < cif->nargs; i++) + { + type = (cif->arg_types)[i]->type; + switch (type) + { + case FFI_TYPE_FLOAT: + greg++; + cif->bytes += sizeof (UINT64) - sizeof (float); + if (freg >= NFREGARG - 1) + continue; + if (fpair < 0) + { + fpair = freg; + freg += 2; + } + else + fpair = -1; + cif->flags2 += ((cif->arg_types)[i]->type) << (2 * j++); + break; + + case FFI_TYPE_DOUBLE: + if (greg++ >= NGREGARG && (freg + 1) >= NFREGARG) + continue; + if ((freg + 1) < NFREGARG) + { + freg += 2; + cif->flags2 += ((cif->arg_types)[i]->type) << (2 * j++); + } + else + cif->flags2 += FFI_TYPE_INT << (2 * j++); + break; + + default: + size = (cif->arg_types)[i]->size; + if (size < sizeof (UINT64)) + cif->bytes += sizeof (UINT64) - size; + n = (size + sizeof (UINT64) - 1) / sizeof (UINT64); + if (greg >= NGREGARG) + continue; + else if (greg + n - 1 >= NGREGARG) + greg = NGREGARG; + else + greg += n; + for (m = 0; m < n; m++) + cif->flags2 += FFI_TYPE_INT << (2 * j++); + break; + } + } + + /* Set the return type flag */ + switch (cif->rtype->type) + { + case FFI_TYPE_STRUCT: + cif->flags = return_type (cif->rtype); + break; + + case FFI_TYPE_VOID: + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + cif->flags = cif->rtype->type; + break; + + default: + cif->flags = FFI_TYPE_INT; + break; + } + + return FFI_OK; +} + +extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *, + unsigned, unsigned, long long, unsigned *, + void (*fn)()); + +void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + extended_cif ecif; + UINT64 trvalue; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return */ + /* value address then we need to make one */ + + if (cif->rtype->type == FFI_TYPE_STRUCT + && return_type (cif->rtype) != FFI_TYPE_STRUCT) + ecif.rvalue = &trvalue; + else if ((rvalue == NULL) && + (cif->rtype->type == FFI_TYPE_STRUCT)) + { + ecif.rvalue = alloca(cif->rtype->size); + } + else + ecif.rvalue = rvalue; + + switch (cif->abi) + { + case FFI_SYSV: + ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes, cif->flags, cif->flags2, + ecif.rvalue, fn); + break; + default: + FFI_ASSERT(0); + break; + } + + if (rvalue + && cif->rtype->type == FFI_TYPE_STRUCT + && return_type (cif->rtype) != FFI_TYPE_STRUCT) + memcpy (rvalue, &trvalue, cif->rtype->size); +} + +extern void ffi_closure_SYSV (void); +extern void __ic_invalidate (void *line); + +ffi_status +ffi_prep_closure (ffi_closure *closure, + ffi_cif *cif, + void (*fun)(ffi_cif*, void*, void**, void*), + void *user_data) +{ + unsigned int *tramp; + + FFI_ASSERT (cif->abi == FFI_GCC_SYSV); + + tramp = (unsigned int *) &closure->tramp[0]; + /* Since ffi_closure is an aligned object, the ffi trampoline is + called as an SHcompact code. Sigh. + SHcompact part: + mova @(1,pc),r0; add #1,r0; jmp @r0; nop; + SHmedia part: + movi fnaddr >> 16,r1; shori fnaddr,r1; ptabs/l r1,tr0 + movi cxt >> 16,r1; shori cxt,r1; blink tr0,r63 */ +#ifdef __LITTLE_ENDIAN__ + tramp[0] = 0x7001c701; + tramp[1] = 0x0009402b; +#else + tramp[0] = 0xc7017001; + tramp[1] = 0x402b0009; +#endif + tramp[2] = 0xcc000010 | (((UINT32) ffi_closure_SYSV) >> 16) << 10; + tramp[3] = 0xc8000010 | (((UINT32) ffi_closure_SYSV) & 0xffff) << 10; + tramp[4] = 0x6bf10600; + tramp[5] = 0xcc000010 | (((UINT32) closure) >> 16) << 10; + tramp[6] = 0xc8000010 | (((UINT32) closure) & 0xffff) << 10; + tramp[7] = 0x4401fff0; + + closure->cif = cif; + closure->fun = fun; + closure->user_data = user_data; + + /* Flush the icache. */ + asm volatile ("ocbwb %0,0; synco; icbi %0,0; synci" : : "r" (tramp)); + + return FFI_OK; +} + +/* Basically the trampoline invokes ffi_closure_SYSV, and on + * entry, r3 holds the address of the closure. + * After storing the registers that could possibly contain + * parameters to be passed into the stack frame and setting + * up space for a return value, ffi_closure_SYSV invokes the + * following helper function to do most of the work. + */ + +int +ffi_closure_helper_SYSV (ffi_closure *closure, UINT64 *rvalue, + UINT64 *pgr, UINT64 *pfr, UINT64 *pst) +{ + void **avalue; + ffi_type **p_arg; + int i, avn; + int greg, freg; + ffi_cif *cif; + int fpair = -1; + + cif = closure->cif; + avalue = alloca (cif->nargs * sizeof (void *)); + + /* Copy the caller's structure return value address so that the closure + returns the data directly to the caller. */ + if (return_type (cif->rtype) == FFI_TYPE_STRUCT) + { + rvalue = (UINT64 *) *pgr; + greg = 1; + } + else + greg = 0; + + freg = 0; + cif = closure->cif; + avn = cif->nargs; + + /* Grab the addresses of the arguments from the stack frame. */ + for (i = 0, p_arg = cif->arg_types; i < avn; i++, p_arg++) + { + size_t z; + void *p; + + z = (*p_arg)->size; + if (z < sizeof (UINT32)) + { + p = pgr + greg++; + + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + case FFI_TYPE_STRUCT: +#ifdef __LITTLE_ENDIAN__ + avalue[i] = p; +#else + avalue[i] = ((char *) p) + sizeof (UINT32) - z; +#endif + break; + + default: + FFI_ASSERT(0); + } + } + else if (z == sizeof (UINT32)) + { + if ((*p_arg)->type == FFI_TYPE_FLOAT) + { + if (freg < NFREGARG - 1) + { + if (fpair >= 0) + { + avalue[i] = (UINT32 *) pfr + fpair; + fpair = -1; + } + else + { +#ifdef __LITTLE_ENDIAN__ + fpair = freg; + avalue[i] = (UINT32 *) pfr + (1 ^ freg); +#else + fpair = 1 ^ freg; + avalue[i] = (UINT32 *) pfr + freg; +#endif + freg += 2; + } + } + else +#ifdef __LITTLE_ENDIAN__ + avalue[i] = pgr + greg; +#else + avalue[i] = (UINT32 *) (pgr + greg) + 1; +#endif + } + else +#ifdef __LITTLE_ENDIAN__ + avalue[i] = pgr + greg; +#else + avalue[i] = (UINT32 *) (pgr + greg) + 1; +#endif + greg++; + } + else if ((*p_arg)->type == FFI_TYPE_DOUBLE) + { + if (freg + 1 >= NFREGARG) + avalue[i] = pgr + greg; + else + { + avalue[i] = pfr + (freg >> 1); + freg += 2; + } + greg++; + } + else + { + int n = (z + sizeof (UINT64) - 1) / sizeof (UINT64); + + avalue[i] = pgr + greg; + greg += n; + } + } + + (closure->fun) (cif, rvalue, avalue, closure->user_data); + + /* Tell ffi_closure_SYSV how to perform return type promotions. */ + return return_type (cif->rtype); +} + diff --git a/gcc-4.2.1/libffi/src/sh64/ffitarget.h b/gcc-4.2.1/libffi/src/sh64/ffitarget.h new file mode 100644 index 000000000..a174d09b9 --- /dev/null +++ b/gcc-4.2.1/libffi/src/sh64/ffitarget.h @@ -0,0 +1,52 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for SuperH - SHmedia. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +/* ---- Generic type definitions ----------------------------------------- */ + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + FFI_SYSV, + FFI_DEFAULT_ABI = FFI_SYSV, + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; + +#define FFI_EXTRA_CIF_FIELDS long long flags2 +#endif + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 1 +#define FFI_TRAMPOLINE_SIZE 32 +#define FFI_NATIVE_RAW_API 0 + +#endif + diff --git a/gcc-4.2.1/libffi/src/sh64/sysv.S b/gcc-4.2.1/libffi/src/sh64/sysv.S new file mode 100644 index 000000000..bdee4188e --- /dev/null +++ b/gcc-4.2.1/libffi/src/sh64/sysv.S @@ -0,0 +1,533 @@ +/* ----------------------------------------------------------------------- + sysv.S - Copyright (c) 2003, 2004, 2006 Kaz Kojima + + SuperH SHmedia Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> +#ifdef HAVE_MACHINE_ASM_H +#include <machine/asm.h> +#else +/* XXX these lose for some platforms, I'm sure. */ +#define CNAME(x) x +#define ENTRY(x) .globl CNAME(x); .type CNAME(x),%function; CNAME(x): +#endif + +#ifdef __LITTLE_ENDIAN__ +#define OFS_FLT 0 +#else +#define OFS_FLT 4 +#endif + + .section .text..SHmedia32,"ax" + + # r2: ffi_prep_args + # r3: &ecif + # r4: bytes + # r5: flags + # r6: flags2 + # r7: rvalue + # r8: fn + + # This assumes we are using gas. + .align 5 +ENTRY(ffi_call_SYSV) + # Save registers +.LFB1: + addi.l r15, -48, r15 +.LCFI0: + st.q r15, 40, r32 + st.q r15, 32, r31 + st.q r15, 24, r30 + st.q r15, 16, r29 + st.q r15, 8, r28 + st.l r15, 4, r18 + st.l r15, 0, r14 +.LCFI1: + add.l r15, r63, r14 +.LCFI2: +# add r4, r63, r28 + add r5, r63, r29 + add r6, r63, r30 + add r7, r63, r31 + add r8, r63, r32 + + addi r4, (64 + 7), r4 + andi r4, ~7, r4 + sub.l r15, r4, r15 + + ptabs/l r2, tr0 + add r15, r63, r2 + blink tr0, r18 + + addi r15, 64, r22 + movi 0, r0 + movi 0, r1 + movi -1, r23 + + pt/l 1f, tr1 + bnei/l r29, FFI_TYPE_STRUCT, tr1 + ld.l r15, 0, r19 + addi r15, 8, r15 + addi r0, 1, r0 +1: + +.L_pass: + andi r30, 3, r20 + shlri r30, 2, r30 + + pt/l .L_call_it, tr0 + pt/l .L_pass_i, tr1 + pt/l .L_pass_f, tr2 + + beqi/l r20, FFI_TYPE_VOID, tr0 + beqi/l r20, FFI_TYPE_INT, tr1 + beqi/l r20, FFI_TYPE_FLOAT, tr2 + +.L_pass_d: + addi r0, 1, r0 + pt/l 3f, tr0 + movi 12, r20 + bge/l r1, r20, tr0 + + pt/l .L_pop_d, tr1 + pt/l 2f, tr0 + blink tr1, r63 +2: + addi.l r15, 8, r15 +3: + pt/l .L_pass, tr0 + addi r1, 2, r1 + blink tr0, r63 + +.L_pop_d: + pt/l .L_pop_d_tbl, tr1 + gettr tr1, r20 + shlli r1, 2, r21 + add r20, r21, r20 + ptabs/l r20, tr1 + blink tr1, r63 + +.L_pop_d_tbl: + fld.d r15, 0, dr0 + blink tr0, r63 + fld.d r15, 0, dr2 + blink tr0, r63 + fld.d r15, 0, dr4 + blink tr0, r63 + fld.d r15, 0, dr6 + blink tr0, r63 + fld.d r15, 0, dr8 + blink tr0, r63 + fld.d r15, 0, dr10 + blink tr0, r63 + +.L_pass_f: + addi r0, 1, r0 + pt/l 3f, tr0 + movi 12, r20 + bge/l r1, r20, tr0 + + pt/l .L_pop_f, tr1 + pt/l 2f, tr0 + blink tr1, r63 +2: + addi.l r15, 8, r15 +3: + pt/l .L_pass, tr0 + blink tr0, r63 + +.L_pop_f: + pt/l .L_pop_f_tbl, tr1 + pt/l 5f, tr2 + gettr tr1, r20 + bge/l r23, r63, tr2 + add r1, r63, r23 + shlli r1, 3, r21 + addi r1, 2, r1 + add r20, r21, r20 + ptabs/l r20, tr1 + blink tr1, r63 +5: + addi r23, 1, r21 + movi -1, r23 + shlli r21, 3, r21 + add r20, r21, r20 + ptabs/l r20, tr1 + blink tr1, r63 + +.L_pop_f_tbl: + fld.s r15, OFS_FLT, fr0 + blink tr0, r63 + fld.s r15, OFS_FLT, fr1 + blink tr0, r63 + fld.s r15, OFS_FLT, fr2 + blink tr0, r63 + fld.s r15, OFS_FLT, fr3 + blink tr0, r63 + fld.s r15, OFS_FLT, fr4 + blink tr0, r63 + fld.s r15, OFS_FLT, fr5 + blink tr0, r63 + fld.s r15, OFS_FLT, fr6 + blink tr0, r63 + fld.s r15, OFS_FLT, fr7 + blink tr0, r63 + fld.s r15, OFS_FLT, fr8 + blink tr0, r63 + fld.s r15, OFS_FLT, fr9 + blink tr0, r63 + fld.s r15, OFS_FLT, fr10 + blink tr0, r63 + fld.s r15, OFS_FLT, fr11 + blink tr0, r63 + +.L_pass_i: + pt/l 3f, tr0 + movi 8, r20 + bge/l r0, r20, tr0 + + pt/l .L_pop_i, tr1 + pt/l 2f, tr0 + blink tr1, r63 +2: + addi.l r15, 8, r15 +3: + pt/l .L_pass, tr0 + addi r0, 1, r0 + blink tr0, r63 + +.L_pop_i: + pt/l .L_pop_i_tbl, tr1 + gettr tr1, r20 + shlli r0, 3, r21 + add r20, r21, r20 + ptabs/l r20, tr1 + blink tr1, r63 + +.L_pop_i_tbl: + ld.q r15, 0, r2 + blink tr0, r63 + ld.q r15, 0, r3 + blink tr0, r63 + ld.q r15, 0, r4 + blink tr0, r63 + ld.q r15, 0, r5 + blink tr0, r63 + ld.q r15, 0, r6 + blink tr0, r63 + ld.q r15, 0, r7 + blink tr0, r63 + ld.q r15, 0, r8 + blink tr0, r63 + ld.q r15, 0, r9 + blink tr0, r63 + +.L_call_it: + # call function + pt/l 1f, tr1 + bnei/l r29, FFI_TYPE_STRUCT, tr1 + add r19, r63, r2 +1: + add r22, r63, r15 + ptabs/l r32, tr0 + blink tr0, r18 + + pt/l .L_ret_i, tr0 + pt/l .L_ret_ll, tr1 + pt/l .L_ret_d, tr2 + pt/l .L_ret_f, tr3 + pt/l .L_epilogue, tr4 + + beqi/l r29, FFI_TYPE_INT, tr0 + beqi/l r29, FFI_TYPE_UINT32, tr0 + beqi/l r29, FFI_TYPE_SINT64, tr1 + beqi/l r29, FFI_TYPE_UINT64, tr1 + beqi/l r29, FFI_TYPE_DOUBLE, tr2 + beqi/l r29, FFI_TYPE_FLOAT, tr3 + + pt/l .L_ret_q, tr0 + pt/l .L_ret_h, tr1 + + beqi/l r29, FFI_TYPE_UINT8, tr0 + beqi/l r29, FFI_TYPE_UINT16, tr1 + blink tr4, r63 + +.L_ret_d: + fst.d r31, 0, dr0 + blink tr4, r63 + +.L_ret_ll: + st.q r31, 0, r2 + blink tr4, r63 + +.L_ret_f: + fst.s r31, OFS_FLT, fr0 + blink tr4, r63 + +.L_ret_q: + st.b r31, 0, r2 + blink tr4, r63 + +.L_ret_h: + st.w r31, 0, r2 + blink tr4, r63 + +.L_ret_i: + st.l r31, 0, r2 + # Fall + +.L_epilogue: + # Remove the space we pushed for the args + add r14, r63, r15 + + ld.l r15, 0, r14 + ld.l r15, 4, r18 + ld.q r15, 8, r28 + ld.q r15, 16, r29 + ld.q r15, 24, r30 + ld.q r15, 32, r31 + ld.q r15, 40, r32 + addi.l r15, 48, r15 + ptabs r18, tr0 + blink tr0, r63 + +.LFE1: +.ffi_call_SYSV_end: + .size CNAME(ffi_call_SYSV),.ffi_call_SYSV_end-CNAME(ffi_call_SYSV) + + .align 5 +ENTRY(ffi_closure_SYSV) +.LFB2: + addi.l r15, -136, r15 +.LCFI3: + st.l r15, 12, r18 + st.l r15, 8, r14 + st.l r15, 4, r12 +.LCFI4: + add r15, r63, r14 +.LCFI5: + /* Stack layout: + ... + 64 bytes (register parameters) + 48 bytes (floating register parameters) + 8 bytes (result) + 4 bytes (r18) + 4 bytes (r14) + 4 bytes (r12) + 4 bytes (for align) + <- new stack pointer + */ + fst.d r14, 24, dr0 + fst.d r14, 32, dr2 + fst.d r14, 40, dr4 + fst.d r14, 48, dr6 + fst.d r14, 56, dr8 + fst.d r14, 64, dr10 + st.q r14, 72, r2 + st.q r14, 80, r3 + st.q r14, 88, r4 + st.q r14, 96, r5 + st.q r14, 104, r6 + st.q r14, 112, r7 + st.q r14, 120, r8 + st.q r14, 128, r9 + + add r1, r63, r2 + addi r14, 16, r3 + addi r14, 72, r4 + addi r14, 24, r5 + addi r14, 136, r6 +#ifdef PIC + movi (((datalabel _GLOBAL_OFFSET_TABLE_-(.LPCS0-.)) >> 16) & 65535), r12 + shori ((datalabel _GLOBAL_OFFSET_TABLE_-(.LPCS0-.)) & 65535), r12 +.LPCS0: ptrel/u r12, tr0 + movi ((ffi_closure_helper_SYSV@GOTPLT) & 65535), r1 + gettr tr0, r12 + ldx.l r1, r12, r1 + ptabs r1, tr0 +#else + pt/l ffi_closure_helper_SYSV, tr0 +#endif + blink tr0, r18 + + shlli r2, 1, r1 + movi (((datalabel .L_table) >> 16) & 65535), r2 + shori ((datalabel .L_table) & 65535), r2 + ldx.w r2, r1, r1 + add r1, r2, r1 + pt/l .L_case_v, tr1 + ptabs r1, tr0 + blink tr0, r63 + + .align 2 +.L_table: + .word .L_case_v - datalabel .L_table /* FFI_TYPE_VOID */ + .word .L_case_i - datalabel .L_table /* FFI_TYPE_INT */ + .word .L_case_f - datalabel .L_table /* FFI_TYPE_FLOAT */ + .word .L_case_d - datalabel .L_table /* FFI_TYPE_DOUBLE */ + .word .L_case_d - datalabel .L_table /* FFI_TYPE_LONGDOUBLE */ + .word .L_case_uq - datalabel .L_table /* FFI_TYPE_UINT8 */ + .word .L_case_q - datalabel .L_table /* FFI_TYPE_SINT8 */ + .word .L_case_uh - datalabel .L_table /* FFI_TYPE_UINT16 */ + .word .L_case_h - datalabel .L_table /* FFI_TYPE_SINT16 */ + .word .L_case_i - datalabel .L_table /* FFI_TYPE_UINT32 */ + .word .L_case_i - datalabel .L_table /* FFI_TYPE_SINT32 */ + .word .L_case_ll - datalabel .L_table /* FFI_TYPE_UINT64 */ + .word .L_case_ll - datalabel .L_table /* FFI_TYPE_SINT64 */ + .word .L_case_v - datalabel .L_table /* FFI_TYPE_STRUCT */ + .word .L_case_i - datalabel .L_table /* FFI_TYPE_POINTER */ + + .align 2 +.L_case_d: + fld.d r14, 16, dr0 + blink tr1, r63 +.L_case_f: + fld.s r14, 16, fr0 + blink tr1, r63 +.L_case_ll: + ld.q r14, 16, r2 + blink tr1, r63 +.L_case_i: + ld.l r14, 16, r2 + blink tr1, r63 +.L_case_q: + ld.b r14, 16, r2 + blink tr1, r63 +.L_case_uq: + ld.ub r14, 16, r2 + blink tr1, r63 +.L_case_h: + ld.w r14, 16, r2 + blink tr1, r63 +.L_case_uh: + ld.uw r14, 16, r2 + blink tr1, r63 +.L_case_v: + add.l r14, r63, r15 + ld.l r15, 4, r12 + ld.l r15, 8, r14 + ld.l r15, 12, r18 + addi.l r15, 136, r15 + ptabs r18, tr0 + blink tr0, r63 + +.LFE2: +.ffi_closure_SYSV_end: + .size CNAME(ffi_closure_SYSV),.ffi_closure_SYSV_end-CNAME(ffi_closure_SYSV) + + .section ".eh_frame","aw",@progbits +__FRAME_BEGIN__: + .4byte .LECIE1-.LSCIE1 /* Length of Common Information Entry */ +.LSCIE1: + .4byte 0x0 /* CIE Identifier Tag */ + .byte 0x1 /* CIE Version */ +#ifdef PIC + .ascii "zR\0" /* CIE Augmentation */ +#else + .byte 0x0 /* CIE Augmentation */ +#endif + .uleb128 0x1 /* CIE Code Alignment Factor */ + .sleb128 -4 /* CIE Data Alignment Factor */ + .byte 0x12 /* CIE RA Column */ +#ifdef PIC + .uleb128 0x1 /* Augmentation size */ + .byte 0x10 /* FDE Encoding (pcrel) */ +#endif + .byte 0xc /* DW_CFA_def_cfa */ + .uleb128 0xf + .uleb128 0x0 + .align 2 +.LECIE1: +.LSFDE1: + .4byte datalabel .LEFDE1-datalabel .LASFDE1 /* FDE Length */ +.LASFDE1: + .4byte datalabel .LASFDE1-datalabel __FRAME_BEGIN__ +#ifdef PIC + .4byte .LFB1-. /* FDE initial location */ +#else + .4byte .LFB1 /* FDE initial location */ +#endif + .4byte datalabel .LFE1-datalabel .LFB1 /* FDE address range */ +#ifdef PIC + .uleb128 0x0 /* Augmentation size */ +#endif + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte datalabel .LCFI0-datalabel .LFB1 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .uleb128 0x30 + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte datalabel .LCFI1-datalabel .LCFI0 + .byte 0x8e /* DW_CFA_offset, column 0xe */ + .uleb128 0xc + .byte 0x92 /* DW_CFA_offset, column 0x12 */ + .uleb128 0xb + .byte 0x9c /* DW_CFA_offset, column 0x1c */ + .uleb128 0xa + .byte 0x9d /* DW_CFA_offset, column 0x1d */ + .uleb128 0x8 + .byte 0x9e /* DW_CFA_offset, column 0x1e */ + .uleb128 0x6 + .byte 0x9f /* DW_CFA_offset, column 0x1f */ + .uleb128 0x4 + .byte 0xa0 /* DW_CFA_offset, column 0x20 */ + .uleb128 0x2 + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte datalabel .LCFI2-datalabel .LCFI1 + .byte 0xd /* DW_CFA_def_cfa_register */ + .uleb128 0xe + .align 2 +.LEFDE1: + +.LSFDE3: + .4byte datalabel .LEFDE3-datalabel .LASFDE3 /* FDE Length */ +.LASFDE3: + .4byte datalabel .LASFDE3-datalabel __FRAME_BEGIN__ +#ifdef PIC + .4byte .LFB2-. /* FDE initial location */ +#else + .4byte .LFB2 /* FDE initial location */ +#endif + .4byte datalabel .LFE2-datalabel .LFB2 /* FDE address range */ +#ifdef PIC + .uleb128 0x0 /* Augmentation size */ +#endif + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte datalabel .LCFI3-datalabel .LFB2 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .uleb128 0x88 + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte datalabel .LCFI4-datalabel .LCFI3 + .byte 0x8c /* DW_CFA_offset, column 0xc */ + .uleb128 0x21 + .byte 0x8e /* DW_CFA_offset, column 0xe */ + .uleb128 0x20 + .byte 0x92 /* DW_CFA_offset, column 0x12 */ + .uleb128 0x1f + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte datalabel .LCFI5-datalabel .LCFI4 + .byte 0xd /* DW_CFA_def_cfa_register */ + .uleb128 0xe + .align 2 +.LEFDE3: diff --git a/gcc-4.2.1/libffi/src/sparc/ffi.c b/gcc-4.2.1/libffi/src/sparc/ffi.c new file mode 100644 index 000000000..b83d63ded --- /dev/null +++ b/gcc-4.2.1/libffi/src/sparc/ffi.c @@ -0,0 +1,608 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 1996, 2003, 2004 Red Hat, Inc. + + SPARC Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> + + +/* ffi_prep_args is called by the assembly routine once stack space + has been allocated for the function's arguments */ + +void ffi_prep_args_v8(char *stack, extended_cif *ecif) +{ + int i; + void **p_argv; + char *argp; + ffi_type **p_arg; + + /* Skip 16 words for the window save area */ + argp = stack + 16*sizeof(int); + + /* This should only really be done when we are returning a structure, + however, it's faster just to do it all the time... + + if ( ecif->cif->rtype->type == FFI_TYPE_STRUCT ) */ + *(int *) argp = (long)ecif->rvalue; + + /* And 1 word for the structure return value. */ + argp += sizeof(int); + +#ifdef USING_PURIFY + /* Purify will probably complain in our assembly routine, unless we + zero out this memory. */ + + ((int*)argp)[0] = 0; + ((int*)argp)[1] = 0; + ((int*)argp)[2] = 0; + ((int*)argp)[3] = 0; + ((int*)argp)[4] = 0; + ((int*)argp)[5] = 0; +#endif + + p_argv = ecif->avalue; + + for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; i; i--, p_arg++) + { + size_t z; + + if ((*p_arg)->type == FFI_TYPE_STRUCT +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + || (*p_arg)->type == FFI_TYPE_LONGDOUBLE +#endif + ) + { + *(unsigned int *) argp = (unsigned long)(* p_argv); + z = sizeof(int); + } + else + { + z = (*p_arg)->size; + if (z < sizeof(int)) + { + z = sizeof(int); + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(signed int *) argp = *(SINT8 *)(* p_argv); + break; + + case FFI_TYPE_UINT8: + *(unsigned int *) argp = *(UINT8 *)(* p_argv); + break; + + case FFI_TYPE_SINT16: + *(signed int *) argp = *(SINT16 *)(* p_argv); + break; + + case FFI_TYPE_UINT16: + *(unsigned int *) argp = *(UINT16 *)(* p_argv); + break; + + default: + FFI_ASSERT(0); + } + } + else + { + memcpy(argp, *p_argv, z); + } + } + p_argv++; + argp += z; + } + + return; +} + +int ffi_prep_args_v9(char *stack, extended_cif *ecif) +{ + int i, ret = 0; + int tmp; + void **p_argv; + char *argp; + ffi_type **p_arg; + + tmp = 0; + + /* Skip 16 words for the window save area */ + argp = stack + 16*sizeof(long long); + +#ifdef USING_PURIFY + /* Purify will probably complain in our assembly routine, unless we + zero out this memory. */ + + ((long long*)argp)[0] = 0; + ((long long*)argp)[1] = 0; + ((long long*)argp)[2] = 0; + ((long long*)argp)[3] = 0; + ((long long*)argp)[4] = 0; + ((long long*)argp)[5] = 0; +#endif + + p_argv = ecif->avalue; + + if (ecif->cif->rtype->type == FFI_TYPE_STRUCT && + ecif->cif->rtype->size > 32) + { + *(unsigned long long *) argp = (unsigned long)ecif->rvalue; + argp += sizeof(long long); + tmp = 1; + } + + for (i = 0, p_arg = ecif->cif->arg_types; i < ecif->cif->nargs; + i++, p_arg++) + { + size_t z; + + z = (*p_arg)->size; + switch ((*p_arg)->type) + { + case FFI_TYPE_STRUCT: + if (z > 16) + { + /* For structures larger than 16 bytes we pass reference. */ + *(unsigned long long *) argp = (unsigned long)* p_argv; + argp += sizeof(long long); + tmp++; + p_argv++; + continue; + } + /* FALLTHROUGH */ + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: +#endif + ret = 1; /* We should promote into FP regs as well as integer. */ + break; + } + if (z < sizeof(long long)) + { + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(signed long long *) argp = *(SINT8 *)(* p_argv); + break; + + case FFI_TYPE_UINT8: + *(unsigned long long *) argp = *(UINT8 *)(* p_argv); + break; + + case FFI_TYPE_SINT16: + *(signed long long *) argp = *(SINT16 *)(* p_argv); + break; + + case FFI_TYPE_UINT16: + *(unsigned long long *) argp = *(UINT16 *)(* p_argv); + break; + + case FFI_TYPE_SINT32: + *(signed long long *) argp = *(SINT32 *)(* p_argv); + break; + + case FFI_TYPE_UINT32: + *(unsigned long long *) argp = *(UINT32 *)(* p_argv); + break; + + case FFI_TYPE_FLOAT: + *(float *) (argp + 4) = *(FLOAT32 *)(* p_argv); /* Right justify */ + break; + + case FFI_TYPE_STRUCT: + memcpy(argp, *p_argv, z); + break; + + default: + FFI_ASSERT(0); + } + z = sizeof(long long); + tmp++; + } + else if (z == sizeof(long long)) + { + memcpy(argp, *p_argv, z); + z = sizeof(long long); + tmp++; + } + else + { + if ((tmp & 1) && (*p_arg)->alignment > 8) + { + tmp++; + argp += sizeof(long long); + } + memcpy(argp, *p_argv, z); + z = 2 * sizeof(long long); + tmp += 2; + } + p_argv++; + argp += z; + } + + return ret; +} + +/* Perform machine dependent cif processing */ +ffi_status ffi_prep_cif_machdep(ffi_cif *cif) +{ + int wordsize; + + if (cif->abi != FFI_V9) + { + wordsize = 4; + + /* If we are returning a struct, this will already have been added. + Otherwise we need to add it because it's always got to be there! */ + + if (cif->rtype->type != FFI_TYPE_STRUCT) + cif->bytes += wordsize; + + /* sparc call frames require that space is allocated for 6 args, + even if they aren't used. Make that space if necessary. */ + + if (cif->bytes < 4*6+4) + cif->bytes = 4*6+4; + } + else + { + wordsize = 8; + + /* sparc call frames require that space is allocated for 6 args, + even if they aren't used. Make that space if necessary. */ + + if (cif->bytes < 8*6) + cif->bytes = 8*6; + } + + /* Adjust cif->bytes. to include 16 words for the window save area, + and maybe the struct/union return pointer area, */ + + cif->bytes += 16 * wordsize; + + /* The stack must be 2 word aligned, so round bytes up + appropriately. */ + + cif->bytes = ALIGN(cif->bytes, 2 * wordsize); + + /* Set the return type flag */ + switch (cif->rtype->type) + { + case FFI_TYPE_VOID: + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: +#endif + cif->flags = cif->rtype->type; + break; + + case FFI_TYPE_STRUCT: + if (cif->abi == FFI_V9 && cif->rtype->size > 32) + cif->flags = FFI_TYPE_VOID; + else + cif->flags = FFI_TYPE_STRUCT; + break; + + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + if (cif->abi != FFI_V9) + { + cif->flags = FFI_TYPE_SINT64; + break; + } + /* FALLTHROUGH */ + default: + cif->flags = FFI_TYPE_INT; + break; + } + return FFI_OK; +} + +int ffi_v9_layout_struct(ffi_type *arg, int off, char *ret, char *intg, char *flt) +{ + ffi_type **ptr = &arg->elements[0]; + + while (*ptr != NULL) + { + if (off & ((*ptr)->alignment - 1)) + off = ALIGN(off, (*ptr)->alignment); + + switch ((*ptr)->type) + { + case FFI_TYPE_STRUCT: + off = ffi_v9_layout_struct(*ptr, off, ret, intg, flt); + off = ALIGN(off, FFI_SIZEOF_ARG); + break; + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + case FFI_TYPE_LONGDOUBLE: +#endif + memmove(ret + off, flt + off, (*ptr)->size); + off += (*ptr)->size; + break; + default: + memmove(ret + off, intg + off, (*ptr)->size); + off += (*ptr)->size; + break; + } + ptr++; + } + return off; +} + + +#ifdef SPARC64 +extern int ffi_call_v9(void *, extended_cif *, unsigned, + unsigned, unsigned *, void (*fn)()); +#else +extern int ffi_call_v8(void *, extended_cif *, unsigned, + unsigned, unsigned *, void (*fn)()); +#endif + +void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + extended_cif ecif; + void *rval = rvalue; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return */ + /* value address then we need to make one */ + + ecif.rvalue = rvalue; + if (cif->rtype->type == FFI_TYPE_STRUCT) + { + if (cif->rtype->size <= 32) + rval = alloca(64); + else + { + rval = NULL; + if (rvalue == NULL) + ecif.rvalue = alloca(cif->rtype->size); + } + } + + switch (cif->abi) + { + case FFI_V8: +#ifdef SPARC64 + /* We don't yet support calling 32bit code from 64bit */ + FFI_ASSERT(0); +#else + ffi_call_v8(ffi_prep_args_v8, &ecif, cif->bytes, + cif->flags, rvalue, fn); +#endif + break; + case FFI_V9: +#ifdef SPARC64 + ffi_call_v9(ffi_prep_args_v9, &ecif, cif->bytes, + cif->flags, rval, fn); + if (rvalue && rval && cif->rtype->type == FFI_TYPE_STRUCT) + ffi_v9_layout_struct(cif->rtype, 0, (char *)rvalue, (char *)rval, ((char *)rval)+32); +#else + /* And vice versa */ + FFI_ASSERT(0); +#endif + break; + default: + FFI_ASSERT(0); + break; + } + +} + + +#ifdef SPARC64 +extern void ffi_closure_v9(void); +#else +extern void ffi_closure_v8(void); +#endif + +ffi_status +ffi_prep_closure (ffi_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif*, void*, void**, void*), + void *user_data) +{ + unsigned int *tramp = (unsigned int *) &closure->tramp[0]; + unsigned long fn; +#ifdef SPARC64 + /* Trampoline address is equal to the closure address. We take advantage + of that to reduce the trampoline size by 8 bytes. */ + FFI_ASSERT (cif->abi == FFI_V9); + fn = (unsigned long) ffi_closure_v9; + tramp[0] = 0x83414000; /* rd %pc, %g1 */ + tramp[1] = 0xca586010; /* ldx [%g1+16], %g5 */ + tramp[2] = 0x81c14000; /* jmp %g5 */ + tramp[3] = 0x01000000; /* nop */ + *((unsigned long *) &tramp[4]) = fn; +#else + unsigned long ctx = (unsigned long) closure; + FFI_ASSERT (cif->abi == FFI_V8); + fn = (unsigned long) ffi_closure_v8; + tramp[0] = 0x03000000 | fn >> 10; /* sethi %hi(fn), %g1 */ + tramp[1] = 0x05000000 | ctx >> 10; /* sethi %hi(ctx), %g2 */ + tramp[2] = 0x81c06000 | (fn & 0x3ff); /* jmp %g1+%lo(fn) */ + tramp[3] = 0x8410a000 | (ctx & 0x3ff);/* or %g2, %lo(ctx) */ +#endif + + closure->cif = cif; + closure->fun = fun; + closure->user_data = user_data; + + /* Flush the Icache. FIXME: alignment isn't certain, assume 8 bytes */ +#ifdef SPARC64 + asm volatile ("flush %0" : : "r" (closure) : "memory"); + asm volatile ("flush %0" : : "r" (((char *) closure) + 8) : "memory"); +#else + asm volatile ("iflush %0" : : "r" (closure) : "memory"); + asm volatile ("iflush %0" : : "r" (((char *) closure) + 8) : "memory"); +#endif + + return FFI_OK; +} + +int +ffi_closure_sparc_inner_v8(ffi_closure *closure, + void *rvalue, unsigned long *gpr, unsigned long *scratch) +{ + ffi_cif *cif; + ffi_type **arg_types; + void **avalue; + int i, argn; + + cif = closure->cif; + arg_types = cif->arg_types; + avalue = alloca(cif->nargs * sizeof(void *)); + + /* Copy the caller's structure return address so that the closure + returns the data directly to the caller. */ + if (cif->flags == FFI_TYPE_STRUCT +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + || cif->flags == FFI_TYPE_LONGDOUBLE +#endif + ) + rvalue = (void *) gpr[0]; + + /* Always skip the structure return address. */ + argn = 1; + + /* Grab the addresses of the arguments from the stack frame. */ + for (i = 0; i < cif->nargs; i++) + { + if (arg_types[i]->type == FFI_TYPE_STRUCT +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + || arg_types[i]->type == FFI_TYPE_LONGDOUBLE +#endif + ) + { + /* Straight copy of invisible reference. */ + avalue[i] = (void *)gpr[argn++]; + } + else if ((arg_types[i]->type == FFI_TYPE_DOUBLE + || arg_types[i]->type == FFI_TYPE_SINT64 + || arg_types[i]->type == FFI_TYPE_UINT64) + /* gpr is 8-byte aligned. */ + && (argn % 2) != 0) + { + /* Align on a 8-byte boundary. */ + scratch[0] = gpr[argn]; + scratch[1] = gpr[argn+1]; + avalue[i] = scratch; + scratch -= 2; + argn += 2; + } + else + { + /* Always right-justify. */ + argn += ALIGN(arg_types[i]->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; + avalue[i] = ((char *) &gpr[argn]) - arg_types[i]->size; + } + } + + /* Invoke the closure. */ + (closure->fun) (cif, rvalue, avalue, closure->user_data); + + /* Tell ffi_closure_sparc how to perform return type promotions. */ + return cif->rtype->type; +} + +int +ffi_closure_sparc_inner_v9(ffi_closure *closure, + void *rvalue, unsigned long *gpr, double *fpr) +{ + ffi_cif *cif; + ffi_type **arg_types; + void **avalue; + int i, argn, fp_slot_max; + + cif = closure->cif; + arg_types = cif->arg_types; + avalue = alloca(cif->nargs * sizeof(void *)); + + /* Copy the caller's structure return address so that the closure + returns the data directly to the caller. */ + if (cif->flags == FFI_TYPE_VOID + && cif->rtype->type == FFI_TYPE_STRUCT) + { + rvalue = (void *) gpr[0]; + /* Skip the structure return address. */ + argn = 1; + } + else + argn = 0; + + fp_slot_max = 16 - argn; + + /* Grab the addresses of the arguments from the stack frame. */ + for (i = 0; i < cif->nargs; i++) + { + if (arg_types[i]->type == FFI_TYPE_STRUCT) + { + if (arg_types[i]->size > 16) + { + /* Straight copy of invisible reference. */ + avalue[i] = (void *)gpr[argn++]; + } + else + { + /* Left-justify. */ + ffi_v9_layout_struct(arg_types[i], + 0, + (char *) &gpr[argn], + (char *) &gpr[argn], + (char *) &fpr[argn]); + avalue[i] = &gpr[argn]; + argn += ALIGN(arg_types[i]->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; + } + } + else + { + /* Right-justify. */ + argn += ALIGN(arg_types[i]->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG; + + if (i < fp_slot_max + && (arg_types[i]->type == FFI_TYPE_FLOAT + || arg_types[i]->type == FFI_TYPE_DOUBLE +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + || arg_types[i]->type == FFI_TYPE_LONGDOUBLE +#endif + )) + avalue[i] = ((char *) &fpr[argn]) - arg_types[i]->size; + else + avalue[i] = ((char *) &gpr[argn]) - arg_types[i]->size; + } + } + + /* Invoke the closure. */ + (closure->fun) (cif, rvalue, avalue, closure->user_data); + + /* Tell ffi_closure_sparc how to perform return type promotions. */ + return cif->rtype->type; +} diff --git a/gcc-4.2.1/libffi/src/sparc/ffitarget.h b/gcc-4.2.1/libffi/src/sparc/ffitarget.h new file mode 100644 index 000000000..f4514e55d --- /dev/null +++ b/gcc-4.2.1/libffi/src/sparc/ffitarget.h @@ -0,0 +1,65 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for SPARC. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +/* ---- System specific configurations ----------------------------------- */ + +#if defined(__arch64__) || defined(__sparcv9) +#define SPARC64 +#endif + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + FFI_V8, + FFI_V8PLUS, + FFI_V9, +#ifdef SPARC64 + FFI_DEFAULT_ABI = FFI_V9, +#else + FFI_DEFAULT_ABI = FFI_V8, +#endif + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; +#endif + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 1 +#define FFI_NATIVE_RAW_API 0 + +#ifdef SPARC64 +#define FFI_TRAMPOLINE_SIZE 24 +#else +#define FFI_TRAMPOLINE_SIZE 16 +#endif + +#endif + diff --git a/gcc-4.2.1/libffi/src/sparc/v8.S b/gcc-4.2.1/libffi/src/sparc/v8.S new file mode 100644 index 000000000..709423ce9 --- /dev/null +++ b/gcc-4.2.1/libffi/src/sparc/v8.S @@ -0,0 +1,267 @@ +/* ----------------------------------------------------------------------- + v8.S - Copyright (c) 1996, 1997, 2003, 2004 Red Hat, Inc. + + SPARC Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +#define STACKFRAME 96 /* Minimum stack framesize for SPARC */ +#define ARGS (64+4) /* Offset of register area in frame */ + +.text + .align 8 +.globl ffi_call_v8 +.globl _ffi_call_v8 + +ffi_call_v8: +_ffi_call_v8: +.LLFB1: + save %sp, -STACKFRAME, %sp +.LLCFI0: + + sub %sp, %i2, %sp ! alloca() space in stack for frame to set up + add %sp, STACKFRAME, %l0 ! %l0 has start of + ! frame to set up + + mov %l0, %o0 ! call routine to set up frame + call %i0 + mov %i1, %o1 ! (delay) + + ld [%l0+ARGS], %o0 ! call foreign function + ld [%l0+ARGS+4], %o1 + ld [%l0+ARGS+8], %o2 + ld [%l0+ARGS+12], %o3 + ld [%l0+ARGS+16], %o4 + ld [%l0+ARGS+20], %o5 + call %i5 + mov %l0, %sp ! (delay) switch to frame + nop ! STRUCT returning functions skip 12 instead of 8 bytes + + ! If the return value pointer is NULL, assume no return value. + tst %i4 + bz done + nop + + cmp %i3, FFI_TYPE_INT + be,a done + st %o0, [%i4] ! (delay) + + cmp %i3, FFI_TYPE_FLOAT + be,a done + st %f0, [%i4+0] ! (delay) + + cmp %i3, FFI_TYPE_SINT64 + be longlong + + cmp %i3, FFI_TYPE_DOUBLE + bne done + nop + st %f0, [%i4+0] + st %f1, [%i4+4] + +done: + ret + restore + +longlong: + st %o0, [%i4+0] + st %o1, [%i4+4] + ret + restore +.LLFE1: + +.ffi_call_v8_end: + .size ffi_call_v8,.ffi_call_v8_end-ffi_call_v8 + + +#undef STACKFRAME +#define STACKFRAME 104 /* 16*4 register window + + 1*4 struct return + + 6*4 args backing store + + 3*4 locals */ + +/* ffi_closure_v8(...) + + Receives the closure argument in %g2. */ + + .text + .align 8 + .globl ffi_closure_v8 + +ffi_closure_v8: +#ifdef HAVE_AS_REGISTER_PSEUDO_OP + .register %g2, #scratch +#endif +.LLFB2: + ! Reserve frame space for all arguments in case + ! we need to align them on a 8-byte boundary. + ld [%g2+FFI_TRAMPOLINE_SIZE], %g1 + ld [%g1+4], %g1 + sll %g1, 3, %g1 + add %g1, STACKFRAME, %g1 + ! %g1 == STACKFRAME + 8*nargs + neg %g1 + save %sp, %g1, %sp +.LLCFI1: + + ! Store all of the potential argument registers in va_list format. + st %i0, [%fp+68+0] + st %i1, [%fp+68+4] + st %i2, [%fp+68+8] + st %i3, [%fp+68+12] + st %i4, [%fp+68+16] + st %i5, [%fp+68+20] + + ! Call ffi_closure_sparc_inner to do the bulk of the work. + mov %g2, %o0 + add %fp, -8, %o1 + add %fp, 64, %o2 + call ffi_closure_sparc_inner_v8 + add %fp, -16, %o3 + + ! Load up the return value in the proper type. + ! See ffi_prep_cif_machdep for the list of cases. + cmp %o0, FFI_TYPE_VOID + be done1 + + cmp %o0, FFI_TYPE_INT + be integer + + cmp %o0, FFI_TYPE_FLOAT + be,a done1 + ld [%fp-8], %f0 + + cmp %o0, FFI_TYPE_DOUBLE + be,a done1 + ldd [%fp-8], %f0 + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + cmp %o0, FFI_TYPE_LONGDOUBLE + be done2 +#endif + + cmp %o0, FFI_TYPE_STRUCT + be done2 + + ! FFI_TYPE_SINT64 + ! FFI_TYPE_UINT64 + ld [%fp-4], %i1 + +integer: + ld [%fp-8], %i0 + +done1: + jmp %i7+8 + restore +done2: + ! Skip 'unimp'. + jmp %i7+12 + restore +.LLFE2: + +.ffi_closure_v8_end: + .size ffi_closure_v8,.ffi_closure_v8_end-ffi_closure_v8 + +#ifdef SPARC64 +#define WS 8 +#define nword xword +#define uanword uaxword +#else +#define WS 4 +#define nword long +#define uanword uaword +#endif + +#ifdef HAVE_RO_EH_FRAME + .section ".eh_frame",#alloc +#else + .section ".eh_frame",#alloc,#write +#endif +.LLframe1: + .uaword .LLECIE1-.LLSCIE1 ! Length of Common Information Entry +.LLSCIE1: + .uaword 0x0 ! CIE Identifier Tag + .byte 0x1 ! CIE Version + .ascii "zR\0" ! CIE Augmentation + .byte 0x1 ! uleb128 0x1; CIE Code Alignment Factor + .byte 0x80-WS ! sleb128 -WS; CIE Data Alignment Factor + .byte 0xf ! CIE RA Column + .byte 0x1 ! uleb128 0x1; Augmentation size +#ifdef HAVE_AS_SPARC_UA_PCREL + .byte 0x1b ! FDE Encoding (pcrel sdata4) +#else + .byte 0x50 ! FDE Encoding (aligned absolute) +#endif + .byte 0xc ! DW_CFA_def_cfa + .byte 0xe ! uleb128 0xe + .byte 0x0 ! uleb128 0x0 + .align WS +.LLECIE1: +.LLSFDE1: + .uaword .LLEFDE1-.LLASFDE1 ! FDE Length +.LLASFDE1: + .uaword .LLASFDE1-.LLframe1 ! FDE CIE offset +#ifdef HAVE_AS_SPARC_UA_PCREL + .uaword %r_disp32(.LLFB1) + .uaword .LLFE1-.LLFB1 ! FDE address range +#else + .align WS + .nword .LLFB1 + .uanword .LLFE1-.LLFB1 ! FDE address range +#endif + .byte 0x0 ! uleb128 0x0; Augmentation size + .byte 0x4 ! DW_CFA_advance_loc4 + .uaword .LLCFI0-.LLFB1 + .byte 0xd ! DW_CFA_def_cfa_register + .byte 0x1e ! uleb128 0x1e + .byte 0x2d ! DW_CFA_GNU_window_save + .byte 0x9 ! DW_CFA_register + .byte 0xf ! uleb128 0xf + .byte 0x1f ! uleb128 0x1f + .align WS +.LLEFDE1: +.LLSFDE2: + .uaword .LLEFDE2-.LLASFDE2 ! FDE Length +.LLASFDE2: + .uaword .LLASFDE2-.LLframe1 ! FDE CIE offset +#ifdef HAVE_AS_SPARC_UA_PCREL + .uaword %r_disp32(.LLFB2) + .uaword .LLFE2-.LLFB2 ! FDE address range +#else + .align WS + .nword .LLFB2 + .uanword .LLFE2-.LLFB2 ! FDE address range +#endif + .byte 0x0 ! uleb128 0x0; Augmentation size + .byte 0x4 ! DW_CFA_advance_loc4 + .uaword .LLCFI1-.LLFB2 + .byte 0xd ! DW_CFA_def_cfa_register + .byte 0x1e ! uleb128 0x1e + .byte 0x2d ! DW_CFA_GNU_window_save + .byte 0x9 ! DW_CFA_register + .byte 0xf ! uleb128 0xf + .byte 0x1f ! uleb128 0x1f + .align WS +.LLEFDE2: diff --git a/gcc-4.2.1/libffi/src/sparc/v9.S b/gcc-4.2.1/libffi/src/sparc/v9.S new file mode 100644 index 000000000..d640e0232 --- /dev/null +++ b/gcc-4.2.1/libffi/src/sparc/v9.S @@ -0,0 +1,302 @@ +/* ----------------------------------------------------------------------- + v9.S - Copyright (c) 2000, 2003, 2004 Red Hat, Inc. + + SPARC 64-bit Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +#ifdef SPARC64 +/* Only compile this in for 64bit builds, because otherwise the object file + will have inproper architecture due to used instructions. */ + +#define STACKFRAME 128 /* Minimum stack framesize for SPARC */ +#define STACK_BIAS 2047 +#define ARGS (128) /* Offset of register area in frame */ + +.text + .align 8 +.globl ffi_call_v9 +.globl _ffi_call_v9 + +ffi_call_v9: +_ffi_call_v9: +.LLFB1: + save %sp, -STACKFRAME, %sp +.LLCFI0: + + sub %sp, %i2, %sp ! alloca() space in stack for frame to set up + add %sp, STACKFRAME+STACK_BIAS, %l0 ! %l0 has start of + ! frame to set up + + mov %l0, %o0 ! call routine to set up frame + call %i0 + mov %i1, %o1 ! (delay) + brz,pt %o0, 1f + ldx [%l0+ARGS], %o0 ! call foreign function + + ldd [%l0+ARGS], %f0 + ldd [%l0+ARGS+8], %f2 + ldd [%l0+ARGS+16], %f4 + ldd [%l0+ARGS+24], %f6 + ldd [%l0+ARGS+32], %f8 + ldd [%l0+ARGS+40], %f10 + ldd [%l0+ARGS+48], %f12 + ldd [%l0+ARGS+56], %f14 + ldd [%l0+ARGS+64], %f16 + ldd [%l0+ARGS+72], %f18 + ldd [%l0+ARGS+80], %f20 + ldd [%l0+ARGS+88], %f22 + ldd [%l0+ARGS+96], %f24 + ldd [%l0+ARGS+104], %f26 + ldd [%l0+ARGS+112], %f28 + ldd [%l0+ARGS+120], %f30 + +1: ldx [%l0+ARGS+8], %o1 + ldx [%l0+ARGS+16], %o2 + ldx [%l0+ARGS+24], %o3 + ldx [%l0+ARGS+32], %o4 + ldx [%l0+ARGS+40], %o5 + call %i5 + sub %l0, STACK_BIAS, %sp ! (delay) switch to frame + + ! If the return value pointer is NULL, assume no return value. + brz,pn %i4, done + nop + + cmp %i3, FFI_TYPE_INT + be,a,pt %icc, done + stx %o0, [%i4+0] ! (delay) + + cmp %i3, FFI_TYPE_FLOAT + be,a,pn %icc, done + st %f0, [%i4+0] ! (delay) + + cmp %i3, FFI_TYPE_DOUBLE + be,a,pn %icc, done + std %f0, [%i4+0] ! (delay) + + cmp %i3, FFI_TYPE_STRUCT + be,pn %icc, dostruct + + cmp %i3, FFI_TYPE_LONGDOUBLE + bne,pt %icc, done + nop + std %f0, [%i4+0] + std %f2, [%i4+8] + +done: ret + restore + +dostruct: + /* This will not work correctly for unions. */ + stx %o0, [%i4+0] + stx %o1, [%i4+8] + stx %o2, [%i4+16] + stx %o3, [%i4+24] + std %f0, [%i4+32] + std %f2, [%i4+40] + std %f4, [%i4+48] + std %f6, [%i4+56] + ret + restore +.LLFE1: + +.ffi_call_v9_end: + .size ffi_call_v9,.ffi_call_v9_end-ffi_call_v9 + + +#undef STACKFRAME +#define STACKFRAME 336 /* 16*8 register window + + 6*8 args backing store + + 20*8 locals */ +#define FP %fp+STACK_BIAS + +/* ffi_closure_v9(...) + + Receives the closure argument in %g1. */ + + .text + .align 8 + .globl ffi_closure_v9 + +ffi_closure_v9: +.LLFB2: + save %sp, -STACKFRAME, %sp +.LLCFI1: + + ! Store all of the potential argument registers in va_list format. + stx %i0, [FP+128+0] + stx %i1, [FP+128+8] + stx %i2, [FP+128+16] + stx %i3, [FP+128+24] + stx %i4, [FP+128+32] + stx %i5, [FP+128+40] + + ! Store possible floating point argument registers too. + std %f0, [FP-128] + std %f2, [FP-120] + std %f4, [FP-112] + std %f6, [FP-104] + std %f8, [FP-96] + std %f10, [FP-88] + std %f12, [FP-80] + std %f14, [FP-72] + std %f16, [FP-64] + std %f18, [FP-56] + std %f20, [FP-48] + std %f22, [FP-40] + std %f24, [FP-32] + std %f26, [FP-24] + std %f28, [FP-16] + std %f30, [FP-8] + + ! Call ffi_closure_sparc_inner to do the bulk of the work. + mov %g1, %o0 + add %fp, STACK_BIAS-160, %o1 + add %fp, STACK_BIAS+128, %o2 + call ffi_closure_sparc_inner_v9 + add %fp, STACK_BIAS-128, %o3 + + ! Load up the return value in the proper type. + ! See ffi_prep_cif_machdep for the list of cases. + cmp %o0, FFI_TYPE_VOID + be,pn %icc, done1 + + cmp %o0, FFI_TYPE_INT + be,pn %icc, integer + + cmp %o0, FFI_TYPE_FLOAT + be,a,pn %icc, done1 + ld [FP-160], %f0 + + cmp %o0, FFI_TYPE_DOUBLE + be,a,pn %icc, done1 + ldd [FP-160], %f0 + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE + cmp %o0, FFI_TYPE_LONGDOUBLE + be,a,pn %icc, longdouble1 + ldd [FP-160], %f0 +#endif + + ! FFI_TYPE_STRUCT + ldx [FP-152], %i1 + ldx [FP-144], %i2 + ldx [FP-136], %i3 + ldd [FP-160], %f0 + ldd [FP-152], %f2 + ldd [FP-144], %f4 + ldd [FP-136], %f6 + +integer: + ldx [FP-160], %i0 + +done1: + ret + restore + +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE +longdouble1: + ldd [FP-152], %f2 + ret + restore +#endif +.LLFE2: + +.ffi_closure_v9_end: + .size ffi_closure_v9,.ffi_closure_v9_end-ffi_closure_v9 + +#ifdef HAVE_RO_EH_FRAME + .section ".eh_frame",#alloc +#else + .section ".eh_frame",#alloc,#write +#endif +.LLframe1: + .uaword .LLECIE1-.LLSCIE1 ! Length of Common Information Entry +.LLSCIE1: + .uaword 0x0 ! CIE Identifier Tag + .byte 0x1 ! CIE Version + .ascii "zR\0" ! CIE Augmentation + .byte 0x1 ! uleb128 0x1; CIE Code Alignment Factor + .byte 0x78 ! sleb128 -8; CIE Data Alignment Factor + .byte 0xf ! CIE RA Column + .byte 0x1 ! uleb128 0x1; Augmentation size +#ifdef HAVE_AS_SPARC_UA_PCREL + .byte 0x1b ! FDE Encoding (pcrel sdata4) +#else + .byte 0x50 ! FDE Encoding (aligned absolute) +#endif + .byte 0xc ! DW_CFA_def_cfa + .byte 0xe ! uleb128 0xe + .byte 0xff,0xf ! uleb128 0x7ff + .align 8 +.LLECIE1: +.LLSFDE1: + .uaword .LLEFDE1-.LLASFDE1 ! FDE Length +.LLASFDE1: + .uaword .LLASFDE1-.LLframe1 ! FDE CIE offset +#ifdef HAVE_AS_SPARC_UA_PCREL + .uaword %r_disp32(.LLFB1) + .uaword .LLFE1-.LLFB1 ! FDE address range +#else + .align 8 + .xword .LLFB1 + .uaxword .LLFE1-.LLFB1 ! FDE address range +#endif + .byte 0x0 ! uleb128 0x0; Augmentation size + .byte 0x4 ! DW_CFA_advance_loc4 + .uaword .LLCFI0-.LLFB1 + .byte 0xd ! DW_CFA_def_cfa_register + .byte 0x1e ! uleb128 0x1e + .byte 0x2d ! DW_CFA_GNU_window_save + .byte 0x9 ! DW_CFA_register + .byte 0xf ! uleb128 0xf + .byte 0x1f ! uleb128 0x1f + .align 8 +.LLEFDE1: +.LLSFDE2: + .uaword .LLEFDE2-.LLASFDE2 ! FDE Length +.LLASFDE2: + .uaword .LLASFDE2-.LLframe1 ! FDE CIE offset +#ifdef HAVE_AS_SPARC_UA_PCREL + .uaword %r_disp32(.LLFB2) + .uaword .LLFE2-.LLFB2 ! FDE address range +#else + .align 8 + .xword .LLFB2 + .uaxword .LLFE2-.LLFB2 ! FDE address range +#endif + .byte 0x0 ! uleb128 0x0; Augmentation size + .byte 0x4 ! DW_CFA_advance_loc4 + .uaword .LLCFI1-.LLFB2 + .byte 0xd ! DW_CFA_def_cfa_register + .byte 0x1e ! uleb128 0x1e + .byte 0x2d ! DW_CFA_GNU_window_save + .byte 0x9 ! DW_CFA_register + .byte 0xf ! uleb128 0xf + .byte 0x1f ! uleb128 0x1f + .align 8 +.LLEFDE2: +#endif diff --git a/gcc-4.2.1/libffi/src/types.c b/gcc-4.2.1/libffi/src/types.c new file mode 100644 index 000000000..ad7ef6044 --- /dev/null +++ b/gcc-4.2.1/libffi/src/types.c @@ -0,0 +1,73 @@ +/* ----------------------------------------------------------------------- + types.c - Copyright (c) 1996, 1998 Red Hat, Inc. + + Predefined ffi_types needed by libffi. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +/* Type definitions */ + +#define FFI_TYPEDEF(name, type, id) \ +struct struct_align_##name { \ + char c; \ + type x; \ +}; \ +ffi_type ffi_type_##name = { \ + sizeof(type), \ + offsetof(struct struct_align_##name, x), \ + id, NULL \ +} + +/* Size and alignment are fake here. They must not be 0. */ +ffi_type ffi_type_void = { + 1, 1, FFI_TYPE_VOID, NULL +}; + +FFI_TYPEDEF(uint8, UINT8, FFI_TYPE_UINT8); +FFI_TYPEDEF(sint8, SINT8, FFI_TYPE_SINT8); +FFI_TYPEDEF(uint16, UINT16, FFI_TYPE_UINT16); +FFI_TYPEDEF(sint16, SINT16, FFI_TYPE_SINT16); +FFI_TYPEDEF(uint32, UINT32, FFI_TYPE_UINT32); +FFI_TYPEDEF(sint32, SINT32, FFI_TYPE_SINT32); +FFI_TYPEDEF(uint64, UINT64, FFI_TYPE_UINT64); +FFI_TYPEDEF(sint64, SINT64, FFI_TYPE_SINT64); + +FFI_TYPEDEF(pointer, void*, FFI_TYPE_POINTER); + +FFI_TYPEDEF(float, float, FFI_TYPE_FLOAT); +FFI_TYPEDEF(double, double, FFI_TYPE_DOUBLE); + +#ifdef __alpha__ +/* Even if we're not configured to default to 128-bit long double, + maintain binary compatibility, as -mlong-double-128 can be used + at any time. */ +/* Validate the hard-coded number below. */ +# if defined(__LONG_DOUBLE_128__) && FFI_TYPE_LONGDOUBLE != 4 +# error FFI_TYPE_LONGDOUBLE out of date +# endif +# undef ffi_type_longdouble +ffi_type ffi_type_longdouble = { 16, 16, 4, NULL }; +#elif FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE +FFI_TYPEDEF(longdouble, long double, FFI_TYPE_LONGDOUBLE); +#endif diff --git a/gcc-4.2.1/libffi/src/x86/darwin.S b/gcc-4.2.1/libffi/src/x86/darwin.S new file mode 100644 index 000000000..aec9b8212 --- /dev/null +++ b/gcc-4.2.1/libffi/src/x86/darwin.S @@ -0,0 +1,403 @@ +/* ----------------------------------------------------------------------- + sysv.S - Copyright (c) 1996, 1998, 2001, 2002, 2003, 2005 Red Hat, Inc. + + X86 Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#ifndef __x86_64__ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +.text + +.globl _ffi_prep_args + + .align 4 +.globl _ffi_call_SYSV + +_ffi_call_SYSV: +.LFB1: + pushl %ebp +.LCFI0: + movl %esp,%ebp +.LCFI1: + subl $8,%esp + /* Make room for all of the new args. */ + movl 16(%ebp),%ecx + subl %ecx,%esp + + movl %esp,%eax + + /* Place all of the ffi_prep_args in position */ + subl $8,%esp + pushl 12(%ebp) + pushl %eax + call *8(%ebp) + + /* Return stack to previous state and call the function */ + addl $16,%esp + + call *28(%ebp) + + /* Remove the space we pushed for the args */ + movl 16(%ebp),%ecx + addl %ecx,%esp + + /* Load %ecx with the return type code */ + movl 20(%ebp),%ecx + + /* If the return value pointer is NULL, assume no return value. */ + cmpl $0,24(%ebp) + jne retint + + /* Even if there is no space for the return value, we are + obliged to handle floating-point values. */ + cmpl $FFI_TYPE_FLOAT,%ecx + jne noretval + fstp %st(0) + + jmp epilogue + +retint: + cmpl $FFI_TYPE_INT,%ecx + jne retfloat + /* Load %ecx with the pointer to storage for the return value */ + movl 24(%ebp),%ecx + movl %eax,0(%ecx) + jmp epilogue + +retfloat: + cmpl $FFI_TYPE_FLOAT,%ecx + jne retdouble + /* Load %ecx with the pointer to storage for the return value */ + movl 24(%ebp),%ecx + fstps (%ecx) + jmp epilogue + +retdouble: + cmpl $FFI_TYPE_DOUBLE,%ecx + jne retlongdouble + /* Load %ecx with the pointer to storage for the return value */ + movl 24(%ebp),%ecx + fstpl (%ecx) + jmp epilogue + +retlongdouble: + cmpl $FFI_TYPE_LONGDOUBLE,%ecx + jne retint64 + /* Load %ecx with the pointer to storage for the return value */ + movl 24(%ebp),%ecx + fstpt (%ecx) + jmp epilogue + +retint64: + cmpl $FFI_TYPE_SINT64,%ecx + jne retstruct1b + /* Load %ecx with the pointer to storage for the return value */ + movl 24(%ebp),%ecx + movl %eax,0(%ecx) + movl %edx,4(%ecx) + jmp epilogue + +retstruct1b: + cmpl $FFI_TYPE_SINT8,%ecx + jne retstruct2b + /* Load %ecx with the pointer to storage for the return value */ + movl 24(%ebp),%ecx + movb %al,0(%ecx) + jmp epilogue + +retstruct2b: + cmpl $FFI_TYPE_SINT16,%ecx + jne retstruct + /* Load %ecx with the pointer to storage for the return value */ + movl 24(%ebp),%ecx + movw %ax,0(%ecx) + jmp epilogue + +retstruct: + cmpl $FFI_TYPE_STRUCT,%ecx + jne noretval + /* Nothing to do! */ + addl $4,%esp + popl %ebp + ret + +noretval: +epilogue: + addl $8,%esp + movl %ebp,%esp + popl %ebp + ret +.LFE1: +.ffi_call_SYSV_end: + + .align 4 +FFI_HIDDEN (ffi_closure_SYSV) +.globl _ffi_closure_SYSV + +_ffi_closure_SYSV: +.LFB2: + pushl %ebp +.LCFI2: + movl %esp, %ebp +.LCFI3: + subl $40, %esp + leal -24(%ebp), %edx + movl %edx, -12(%ebp) /* resp */ + leal 8(%ebp), %edx + movl %edx, 4(%esp) /* args = __builtin_dwarf_cfa () */ + leal -12(%ebp), %edx + movl %edx, (%esp) /* &resp */ + movl %ebx, 8(%esp) +.LCFI7: + call L_ffi_closure_SYSV_inner$stub + movl 8(%esp), %ebx + movl -12(%ebp), %ecx + cmpl $FFI_TYPE_INT, %eax + je .Lcls_retint + cmpl $FFI_TYPE_FLOAT, %eax + je .Lcls_retfloat + cmpl $FFI_TYPE_DOUBLE, %eax + je .Lcls_retdouble + cmpl $FFI_TYPE_LONGDOUBLE, %eax + je .Lcls_retldouble + cmpl $FFI_TYPE_SINT64, %eax + je .Lcls_retllong + cmpl $FFI_TYPE_SINT8, %eax + je .Lcls_retstruct1 + cmpl $FFI_TYPE_SINT16, %eax + je .Lcls_retstruct2 + cmpl $FFI_TYPE_STRUCT, %eax + je .Lcls_retstruct +.Lcls_epilogue: + movl %ebp, %esp + popl %ebp + ret +.Lcls_retint: + movl (%ecx), %eax + jmp .Lcls_epilogue +.Lcls_retfloat: + flds (%ecx) + jmp .Lcls_epilogue +.Lcls_retdouble: + fldl (%ecx) + jmp .Lcls_epilogue +.Lcls_retldouble: + fldt (%ecx) + jmp .Lcls_epilogue +.Lcls_retllong: + movl (%ecx), %eax + movl 4(%ecx), %edx + jmp .Lcls_epilogue +.Lcls_retstruct1: + movsbl (%ecx), %eax + jmp .Lcls_epilogue +.Lcls_retstruct2: + movswl (%ecx), %eax + jmp .Lcls_epilogue +.Lcls_retstruct: + lea -8(%ebp),%esp + movl %ebp, %esp + popl %ebp + ret $4 +.LFE2: + +#if !FFI_NO_RAW_API + +#define RAW_CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) & ~3) +#define RAW_CLOSURE_FUN_OFFSET (RAW_CLOSURE_CIF_OFFSET + 4) +#define RAW_CLOSURE_USER_DATA_OFFSET (RAW_CLOSURE_FUN_OFFSET + 4) +#define CIF_FLAGS_OFFSET 20 + + .align 4 +FFI_HIDDEN (ffi_closure_raw_SYSV) +.globl _ffi_closure_raw_SYSV + +_ffi_closure_raw_SYSV: +.LFB3: + pushl %ebp +.LCFI4: + movl %esp, %ebp +.LCFI5: + pushl %esi +.LCFI6: + subl $36, %esp + movl RAW_CLOSURE_CIF_OFFSET(%eax), %esi /* closure->cif */ + movl RAW_CLOSURE_USER_DATA_OFFSET(%eax), %edx /* closure->user_data */ + movl %edx, 12(%esp) /* user_data */ + leal 8(%ebp), %edx /* __builtin_dwarf_cfa () */ + movl %edx, 8(%esp) /* raw_args */ + leal -24(%ebp), %edx + movl %edx, 4(%esp) /* &res */ + movl %esi, (%esp) /* cif */ + call *RAW_CLOSURE_FUN_OFFSET(%eax) /* closure->fun */ + movl CIF_FLAGS_OFFSET(%esi), %eax /* rtype */ + cmpl $FFI_TYPE_INT, %eax + je .Lrcls_retint + cmpl $FFI_TYPE_FLOAT, %eax + je .Lrcls_retfloat + cmpl $FFI_TYPE_DOUBLE, %eax + je .Lrcls_retdouble + cmpl $FFI_TYPE_LONGDOUBLE, %eax + je .Lrcls_retldouble + cmpl $FFI_TYPE_SINT64, %eax + je .Lrcls_retllong +.Lrcls_epilogue: + addl $36, %esp + popl %esi + popl %ebp + ret +.Lrcls_retint: + movl -24(%ebp), %eax + jmp .Lrcls_epilogue +.Lrcls_retfloat: + flds -24(%ebp) + jmp .Lrcls_epilogue +.Lrcls_retdouble: + fldl -24(%ebp) + jmp .Lrcls_epilogue +.Lrcls_retldouble: + fldt -24(%ebp) + jmp .Lrcls_epilogue +.Lrcls_retllong: + movl -24(%ebp), %eax + movl -20(%ebp), %edx + jmp .Lrcls_epilogue +.LFE3: +#endif + +.section __IMPORT,__jump_table,symbol_stubs,self_modifying_code+pure_instructions,5 +L_ffi_closure_SYSV_inner$stub: + .indirect_symbol _ffi_closure_SYSV_inner + hlt ; hlt ; hlt ; hlt ; hlt + + +.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support +EH_frame1: + .set L$set$0,LECIE1-LSCIE1 + .long L$set$0 +LSCIE1: + .long 0x0 + .byte 0x1 + .ascii "zR\0" + .byte 0x1 + .byte 0x7c + .byte 0x8 + .byte 0x1 + .byte 0x10 + .byte 0xc + .byte 0x5 + .byte 0x4 + .byte 0x88 + .byte 0x1 + .align 2 +LECIE1: +.globl _ffi_call_SYSV.eh +_ffi_call_SYSV.eh: +LSFDE1: + .set L$set$1,LEFDE1-LASFDE1 + .long L$set$1 +LASFDE1: + .long LASFDE1-EH_frame1 + .long .LFB1-. + .set L$set$2,.LFE1-.LFB1 + .long L$set$2 + .byte 0x0 + .byte 0x4 + .set L$set$3,.LCFI0-.LFB1 + .long L$set$3 + .byte 0xe + .byte 0x8 + .byte 0x84 + .byte 0x2 + .byte 0x4 + .set L$set$4,.LCFI1-.LCFI0 + .long L$set$4 + .byte 0xd + .byte 0x4 + .align 2 +LEFDE1: +.globl _ffi_closure_SYSV.eh +_ffi_closure_SYSV.eh: +LSFDE2: + .set L$set$5,LEFDE2-LASFDE2 + .long L$set$5 +LASFDE2: + .long LASFDE2-EH_frame1 + .long .LFB2-. + .set L$set$6,.LFE2-.LFB2 + .long L$set$6 + .byte 0x0 + .byte 0x4 + .set L$set$7,.LCFI2-.LFB2 + .long L$set$7 + .byte 0xe + .byte 0x8 + .byte 0x84 + .byte 0x2 + .byte 0x4 + .set L$set$8,.LCFI3-.LCFI2 + .long L$set$8 + .byte 0xd + .byte 0x4 + .align 2 +LEFDE2: + +#if !FFI_NO_RAW_API + +.globl _ffi_closure_raw_SYSV.eh +_ffi_closure_raw_SYSV.eh: +LSFDE3: + .set L$set$10,LEFDE3-LASFDE3 + .long L$set$10 +LASFDE3: + .long LASFDE3-EH_frame1 + .long .LFB3-. + .set L$set$11,.LFE3-.LFB3 + .long L$set$11 + .byte 0x0 + .byte 0x4 + .set L$set$12,.LCFI4-.LFB3 + .long L$set$12 + .byte 0xe + .byte 0x8 + .byte 0x84 + .byte 0x2 + .byte 0x4 + .set L$set$13,.LCFI5-.LCFI4 + .long L$set$13 + .byte 0xd + .byte 0x4 + .byte 0x4 + .set L$set$14,.LCFI6-.LCFI5 + .long L$set$14 + .byte 0x85 + .byte 0x3 + .align 2 +LEFDE3: + +#endif + +#endif /* ifndef __x86_64__ */ diff --git a/gcc-4.2.1/libffi/src/x86/ffi.c b/gcc-4.2.1/libffi/src/x86/ffi.c new file mode 100644 index 000000000..55921b6c0 --- /dev/null +++ b/gcc-4.2.1/libffi/src/x86/ffi.c @@ -0,0 +1,432 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 1996, 1998, 1999, 2001 Red Hat, Inc. + Copyright (c) 2002 Ranjit Mathew + Copyright (c) 2002 Bo Thorsen + Copyright (c) 2002 Roger Sayle + + x86 Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#ifndef __x86_64__ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> + +/* ffi_prep_args is called by the assembly routine once stack space + has been allocated for the function's arguments */ + +void ffi_prep_args(char *stack, extended_cif *ecif) +{ + register unsigned int i; + register void **p_argv; + register char *argp; + register ffi_type **p_arg; + + argp = stack; + + if (ecif->cif->flags == FFI_TYPE_STRUCT) + { + *(void **) argp = ecif->rvalue; + argp += 4; + } + + p_argv = ecif->avalue; + + for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; + i != 0; + i--, p_arg++) + { + size_t z; + + /* Align if necessary */ + if ((sizeof(int) - 1) & (unsigned) argp) + argp = (char *) ALIGN(argp, sizeof(int)); + + z = (*p_arg)->size; + if (z < sizeof(int)) + { + z = sizeof(int); + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(signed int *) argp = (signed int)*(SINT8 *)(* p_argv); + break; + + case FFI_TYPE_UINT8: + *(unsigned int *) argp = (unsigned int)*(UINT8 *)(* p_argv); + break; + + case FFI_TYPE_SINT16: + *(signed int *) argp = (signed int)*(SINT16 *)(* p_argv); + break; + + case FFI_TYPE_UINT16: + *(unsigned int *) argp = (unsigned int)*(UINT16 *)(* p_argv); + break; + + case FFI_TYPE_SINT32: + *(signed int *) argp = (signed int)*(SINT32 *)(* p_argv); + break; + + case FFI_TYPE_UINT32: + *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv); + break; + + case FFI_TYPE_STRUCT: + *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv); + break; + + default: + FFI_ASSERT(0); + } + } + else + { + memcpy(argp, *p_argv, z); + } + p_argv++; + argp += z; + } + + return; +} + +/* Perform machine dependent cif processing */ +ffi_status ffi_prep_cif_machdep(ffi_cif *cif) +{ + /* Set the return type flag */ + switch (cif->rtype->type) + { + case FFI_TYPE_VOID: +#ifdef X86 + case FFI_TYPE_STRUCT: +#endif + case FFI_TYPE_SINT64: + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + case FFI_TYPE_LONGDOUBLE: + cif->flags = (unsigned) cif->rtype->type; + break; + + case FFI_TYPE_UINT64: + cif->flags = FFI_TYPE_SINT64; + break; + +#ifndef X86 + case FFI_TYPE_STRUCT: + if (cif->rtype->size == 1) + { + cif->flags = FFI_TYPE_SINT8; /* same as char size */ + } + else if (cif->rtype->size == 2) + { + cif->flags = FFI_TYPE_SINT16; /* same as short size */ + } + else if (cif->rtype->size == 4) + { + cif->flags = FFI_TYPE_INT; /* same as int type */ + } + else if (cif->rtype->size == 8) + { + cif->flags = FFI_TYPE_SINT64; /* same as int64 type */ + } + else + { + cif->flags = FFI_TYPE_STRUCT; + } + break; +#endif + + default: + cif->flags = FFI_TYPE_INT; + break; + } + +#ifdef X86_DARWIN + cif->bytes = (cif->bytes + 15) & ~0xF; +#endif + + return FFI_OK; +} + +extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *, + unsigned, unsigned, unsigned *, void (*fn)()); + +#ifdef X86_WIN32 +extern void ffi_call_STDCALL(void (*)(char *, extended_cif *), extended_cif *, + unsigned, unsigned, unsigned *, void (*fn)()); + +#endif /* X86_WIN32 */ + +void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + extended_cif ecif; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return */ + /* value address then we need to make one */ + + if ((rvalue == NULL) && + (cif->flags == FFI_TYPE_STRUCT)) + { + ecif.rvalue = alloca(cif->rtype->size); + } + else + ecif.rvalue = rvalue; + + + switch (cif->abi) + { + case FFI_SYSV: + ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes, cif->flags, ecif.rvalue, + fn); + break; +#ifdef X86_WIN32 + case FFI_STDCALL: + ffi_call_STDCALL(ffi_prep_args, &ecif, cif->bytes, cif->flags, + ecif.rvalue, fn); + break; +#endif /* X86_WIN32 */ + default: + FFI_ASSERT(0); + break; + } +} + + +/** private members **/ + +static void ffi_prep_incoming_args_SYSV (char *stack, void **ret, + void** args, ffi_cif* cif); +void FFI_HIDDEN ffi_closure_SYSV (ffi_closure *) + __attribute__ ((regparm(1))); +unsigned int FFI_HIDDEN ffi_closure_SYSV_inner (ffi_closure *, void **, void *) + __attribute__ ((regparm(1))); +void FFI_HIDDEN ffi_closure_raw_SYSV (ffi_raw_closure *) + __attribute__ ((regparm(1))); + +/* This function is jumped to by the trampoline */ + +unsigned int FFI_HIDDEN +ffi_closure_SYSV_inner (closure, respp, args) + ffi_closure *closure; + void **respp; + void *args; +{ + // our various things... + ffi_cif *cif; + void **arg_area; + + cif = closure->cif; + arg_area = (void**) alloca (cif->nargs * sizeof (void*)); + + /* this call will initialize ARG_AREA, such that each + * element in that array points to the corresponding + * value on the stack; and if the function returns + * a structure, it will re-set RESP to point to the + * structure return address. */ + + ffi_prep_incoming_args_SYSV(args, respp, arg_area, cif); + + (closure->fun) (cif, *respp, arg_area, closure->user_data); + + return cif->flags; +} + +static void +ffi_prep_incoming_args_SYSV(char *stack, void **rvalue, void **avalue, + ffi_cif *cif) +{ + register unsigned int i; + register void **p_argv; + register char *argp; + register ffi_type **p_arg; + + argp = stack; + + if ( cif->flags == FFI_TYPE_STRUCT ) { + *rvalue = *(void **) argp; + argp += 4; + } + + p_argv = avalue; + + for (i = cif->nargs, p_arg = cif->arg_types; (i != 0); i--, p_arg++) + { + size_t z; + + /* Align if necessary */ + if ((sizeof(int) - 1) & (unsigned) argp) { + argp = (char *) ALIGN(argp, sizeof(int)); + } + + z = (*p_arg)->size; + + /* because we're little endian, this is what it turns into. */ + + *p_argv = (void*) argp; + + p_argv++; + argp += z; + } + + return; +} + +/* How to make a trampoline. Derived from gcc/config/i386/i386.c. */ + +#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX) \ +({ unsigned char *__tramp = (unsigned char*)(TRAMP); \ + unsigned int __fun = (unsigned int)(FUN); \ + unsigned int __ctx = (unsigned int)(CTX); \ + unsigned int __dis = __fun - ((unsigned int) __tramp + FFI_TRAMPOLINE_SIZE); \ + *(unsigned char*) &__tramp[0] = 0xb8; \ + *(unsigned int*) &__tramp[1] = __ctx; /* movl __ctx, %eax */ \ + *(unsigned char *) &__tramp[5] = 0xe9; \ + *(unsigned int*) &__tramp[6] = __dis; /* jmp __fun */ \ + }) + + +/* the cif must already be prep'ed */ + +ffi_status +ffi_prep_closure (ffi_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif*,void*,void**,void*), + void *user_data) +{ + FFI_ASSERT (cif->abi == FFI_SYSV); + + FFI_INIT_TRAMPOLINE (&closure->tramp[0], \ + &ffi_closure_SYSV, \ + (void*)closure); + + closure->cif = cif; + closure->user_data = user_data; + closure->fun = fun; + + return FFI_OK; +} + +/* ------- Native raw API support -------------------------------- */ + +#if !FFI_NO_RAW_API + +ffi_status +ffi_prep_raw_closure (ffi_raw_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif*,void*,ffi_raw*,void*), + void *user_data) +{ + int i; + + FFI_ASSERT (cif->abi == FFI_SYSV); + + // we currently don't support certain kinds of arguments for raw + // closures. This should be implemented by a separate assembly language + // routine, since it would require argument processing, something we + // don't do now for performance. + + for (i = cif->nargs-1; i >= 0; i--) + { + FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_STRUCT); + FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_LONGDOUBLE); + } + + + FFI_INIT_TRAMPOLINE (&closure->tramp[0], &ffi_closure_raw_SYSV, + (void*)closure); + + closure->cif = cif; + closure->user_data = user_data; + closure->fun = fun; + + return FFI_OK; +} + +static void +ffi_prep_args_raw(char *stack, extended_cif *ecif) +{ + memcpy (stack, ecif->avalue, ecif->cif->bytes); +} + +/* we borrow this routine from libffi (it must be changed, though, to + * actually call the function passed in the first argument. as of + * libffi-1.20, this is not the case.) + */ + +extern void +ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *, unsigned, + unsigned, unsigned *, void (*fn)()); + +#ifdef X86_WIN32 +extern void +ffi_call_STDCALL(void (*)(char *, extended_cif *), extended_cif *, unsigned, + unsigned, unsigned *, void (*fn)()); +#endif /* X86_WIN32 */ + +void +ffi_raw_call(ffi_cif *cif, void (*fn)(), void *rvalue, ffi_raw *fake_avalue) +{ + extended_cif ecif; + void **avalue = (void **)fake_avalue; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return */ + /* value address then we need to make one */ + + if ((rvalue == NULL) && + (cif->rtype->type == FFI_TYPE_STRUCT)) + { + ecif.rvalue = alloca(cif->rtype->size); + } + else + ecif.rvalue = rvalue; + + + switch (cif->abi) + { + case FFI_SYSV: + ffi_call_SYSV(ffi_prep_args_raw, &ecif, cif->bytes, cif->flags, + ecif.rvalue, fn); + break; +#ifdef X86_WIN32 + case FFI_STDCALL: + ffi_call_STDCALL(ffi_prep_args_raw, &ecif, cif->bytes, cif->flags, + ecif.rvalue, fn); + break; +#endif /* X86_WIN32 */ + default: + FFI_ASSERT(0); + break; + } +} + +#endif + +#endif /* __x86_64__ */ diff --git a/gcc-4.2.1/libffi/src/x86/ffi64.c b/gcc-4.2.1/libffi/src/x86/ffi64.c new file mode 100644 index 000000000..c6cf330c2 --- /dev/null +++ b/gcc-4.2.1/libffi/src/x86/ffi64.c @@ -0,0 +1,569 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 2002 Bo Thorsen <bo@suse.de> + + x86-64 Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> +#include <stdarg.h> + +#ifdef __x86_64__ + +#define MAX_GPR_REGS 6 +#define MAX_SSE_REGS 8 + +struct register_args +{ + /* Registers for argument passing. */ + UINT64 gpr[MAX_GPR_REGS]; + __int128_t sse[MAX_SSE_REGS]; +}; + +extern void ffi_call_unix64 (void *args, unsigned long bytes, unsigned flags, + void *raddr, void (*fnaddr)(), unsigned ssecount); + +/* All reference to register classes here is identical to the code in + gcc/config/i386/i386.c. Do *not* change one without the other. */ + +/* Register class used for passing given 64bit part of the argument. + These represent classes as documented by the PS ABI, with the exception + of SSESF, SSEDF classes, that are basically SSE class, just gcc will + use SF or DFmode move instead of DImode to avoid reformating penalties. + + Similary we play games with INTEGERSI_CLASS to use cheaper SImode moves + whenever possible (upper half does contain padding). */ +enum x86_64_reg_class + { + X86_64_NO_CLASS, + X86_64_INTEGER_CLASS, + X86_64_INTEGERSI_CLASS, + X86_64_SSE_CLASS, + X86_64_SSESF_CLASS, + X86_64_SSEDF_CLASS, + X86_64_SSEUP_CLASS, + X86_64_X87_CLASS, + X86_64_X87UP_CLASS, + X86_64_COMPLEX_X87_CLASS, + X86_64_MEMORY_CLASS + }; + +#define MAX_CLASSES 4 + +#define SSE_CLASS_P(X) ((X) >= X86_64_SSE_CLASS && X <= X86_64_SSEUP_CLASS) + +/* x86-64 register passing implementation. See x86-64 ABI for details. Goal + of this code is to classify each 8bytes of incoming argument by the register + class and assign registers accordingly. */ + +/* Return the union class of CLASS1 and CLASS2. + See the x86-64 PS ABI for details. */ + +static enum x86_64_reg_class +merge_classes (enum x86_64_reg_class class1, enum x86_64_reg_class class2) +{ + /* Rule #1: If both classes are equal, this is the resulting class. */ + if (class1 == class2) + return class1; + + /* Rule #2: If one of the classes is NO_CLASS, the resulting class is + the other class. */ + if (class1 == X86_64_NO_CLASS) + return class2; + if (class2 == X86_64_NO_CLASS) + return class1; + + /* Rule #3: If one of the classes is MEMORY, the result is MEMORY. */ + if (class1 == X86_64_MEMORY_CLASS || class2 == X86_64_MEMORY_CLASS) + return X86_64_MEMORY_CLASS; + + /* Rule #4: If one of the classes is INTEGER, the result is INTEGER. */ + if ((class1 == X86_64_INTEGERSI_CLASS && class2 == X86_64_SSESF_CLASS) + || (class2 == X86_64_INTEGERSI_CLASS && class1 == X86_64_SSESF_CLASS)) + return X86_64_INTEGERSI_CLASS; + if (class1 == X86_64_INTEGER_CLASS || class1 == X86_64_INTEGERSI_CLASS + || class2 == X86_64_INTEGER_CLASS || class2 == X86_64_INTEGERSI_CLASS) + return X86_64_INTEGER_CLASS; + + /* Rule #5: If one of the classes is X87, X87UP, or COMPLEX_X87 class, + MEMORY is used. */ + if (class1 == X86_64_X87_CLASS + || class1 == X86_64_X87UP_CLASS + || class1 == X86_64_COMPLEX_X87_CLASS + || class2 == X86_64_X87_CLASS + || class2 == X86_64_X87UP_CLASS + || class2 == X86_64_COMPLEX_X87_CLASS) + return X86_64_MEMORY_CLASS; + + /* Rule #6: Otherwise class SSE is used. */ + return X86_64_SSE_CLASS; +} + +/* Classify the argument of type TYPE and mode MODE. + CLASSES will be filled by the register class used to pass each word + of the operand. The number of words is returned. In case the parameter + should be passed in memory, 0 is returned. As a special case for zero + sized containers, classes[0] will be NO_CLASS and 1 is returned. + + See the x86-64 PS ABI for details. +*/ +static int +classify_argument (ffi_type *type, enum x86_64_reg_class classes[], + size_t byte_offset) +{ + switch (type->type) + { + case FFI_TYPE_UINT8: + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT16: + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT32: + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT64: + case FFI_TYPE_SINT64: + case FFI_TYPE_POINTER: + if (byte_offset + type->size <= 4) + classes[0] = X86_64_INTEGERSI_CLASS; + else + classes[0] = X86_64_INTEGER_CLASS; + return 1; + case FFI_TYPE_FLOAT: + if (byte_offset == 0) + classes[0] = X86_64_SSESF_CLASS; + else + classes[0] = X86_64_SSE_CLASS; + return 1; + case FFI_TYPE_DOUBLE: + classes[0] = X86_64_SSEDF_CLASS; + return 1; + case FFI_TYPE_LONGDOUBLE: + classes[0] = X86_64_X87_CLASS; + classes[1] = X86_64_X87UP_CLASS; + return 2; + case FFI_TYPE_STRUCT: + { + const int UNITS_PER_WORD = 8; + int words = (type->size + UNITS_PER_WORD - 1) / UNITS_PER_WORD; + ffi_type **ptr; + int i; + enum x86_64_reg_class subclasses[MAX_CLASSES]; + + /* If the struct is larger than 16 bytes, pass it on the stack. */ + if (type->size > 16) + return 0; + + for (i = 0; i < words; i++) + classes[i] = X86_64_NO_CLASS; + + /* Merge the fields of structure. */ + for (ptr = type->elements; *ptr != NULL; ptr++) + { + int num; + + byte_offset = ALIGN (byte_offset, (*ptr)->alignment); + + num = classify_argument (*ptr, subclasses, byte_offset % 8); + if (num == 0) + return 0; + for (i = 0; i < num; i++) + { + int pos = byte_offset / 8; + classes[i + pos] = + merge_classes (subclasses[i], classes[i + pos]); + } + + byte_offset += (*ptr)->size; + } + + /* Final merger cleanup. */ + for (i = 0; i < words; i++) + { + /* If one class is MEMORY, everything should be passed in + memory. */ + if (classes[i] == X86_64_MEMORY_CLASS) + return 0; + + /* The X86_64_SSEUP_CLASS should be always preceded by + X86_64_SSE_CLASS. */ + if (classes[i] == X86_64_SSEUP_CLASS + && (i == 0 || classes[i - 1] != X86_64_SSE_CLASS)) + classes[i] = X86_64_SSE_CLASS; + + /* X86_64_X87UP_CLASS should be preceded by X86_64_X87_CLASS. */ + if (classes[i] == X86_64_X87UP_CLASS + && (i == 0 || classes[i - 1] != X86_64_X87_CLASS)) + classes[i] = X86_64_SSE_CLASS; + } + return words; + } + + default: + FFI_ASSERT(0); + } + return 0; /* Never reached. */ +} + +/* Examine the argument and return set number of register required in each + class. Return zero iff parameter should be passed in memory, otherwise + the number of registers. */ + +static int +examine_argument (ffi_type *type, enum x86_64_reg_class classes[MAX_CLASSES], + _Bool in_return, int *pngpr, int *pnsse) +{ + int i, n, ngpr, nsse; + + n = classify_argument (type, classes, 0); + if (n == 0) + return 0; + + ngpr = nsse = 0; + for (i = 0; i < n; ++i) + switch (classes[i]) + { + case X86_64_INTEGER_CLASS: + case X86_64_INTEGERSI_CLASS: + ngpr++; + break; + case X86_64_SSE_CLASS: + case X86_64_SSESF_CLASS: + case X86_64_SSEDF_CLASS: + nsse++; + break; + case X86_64_NO_CLASS: + case X86_64_SSEUP_CLASS: + break; + case X86_64_X87_CLASS: + case X86_64_X87UP_CLASS: + case X86_64_COMPLEX_X87_CLASS: + return in_return != 0; + default: + abort (); + } + + *pngpr = ngpr; + *pnsse = nsse; + + return n; +} + +/* Perform machine dependent cif processing. */ + +ffi_status +ffi_prep_cif_machdep (ffi_cif *cif) +{ + int gprcount, ssecount, i, avn, n, ngpr, nsse, flags; + enum x86_64_reg_class classes[MAX_CLASSES]; + size_t bytes; + + gprcount = ssecount = 0; + + flags = cif->rtype->type; + if (flags != FFI_TYPE_VOID) + { + n = examine_argument (cif->rtype, classes, 1, &ngpr, &nsse); + if (n == 0) + { + /* The return value is passed in memory. A pointer to that + memory is the first argument. Allocate a register for it. */ + gprcount++; + /* We don't have to do anything in asm for the return. */ + flags = FFI_TYPE_VOID; + } + else if (flags == FFI_TYPE_STRUCT) + { + /* Mark which registers the result appears in. */ + _Bool sse0 = SSE_CLASS_P (classes[0]); + _Bool sse1 = n == 2 && SSE_CLASS_P (classes[1]); + if (sse0 && !sse1) + flags |= 1 << 8; + else if (!sse0 && sse1) + flags |= 1 << 9; + else if (sse0 && sse1) + flags |= 1 << 10; + /* Mark the true size of the structure. */ + flags |= cif->rtype->size << 12; + } + } + + /* Go over all arguments and determine the way they should be passed. + If it's in a register and there is space for it, let that be so. If + not, add it's size to the stack byte count. */ + for (bytes = 0, i = 0, avn = cif->nargs; i < avn; i++) + { + if (examine_argument (cif->arg_types[i], classes, 0, &ngpr, &nsse) == 0 + || gprcount + ngpr > MAX_GPR_REGS + || ssecount + nsse > MAX_SSE_REGS) + { + long align = cif->arg_types[i]->alignment; + + if (align < 8) + align = 8; + + bytes = ALIGN(bytes, align); + bytes += cif->arg_types[i]->size; + } + else + { + gprcount += ngpr; + ssecount += nsse; + } + } + if (ssecount) + flags |= 1 << 11; + cif->flags = flags; + cif->bytes = bytes; + + return FFI_OK; +} + +void +ffi_call (ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) +{ + enum x86_64_reg_class classes[MAX_CLASSES]; + char *stack, *argp; + ffi_type **arg_types; + int gprcount, ssecount, ngpr, nsse, i, avn; + _Bool ret_in_memory; + struct register_args *reg_args; + + /* Can't call 32-bit mode from 64-bit mode. */ + FFI_ASSERT (cif->abi == FFI_UNIX64); + + /* If the return value is a struct and we don't have a return value + address then we need to make one. Note the setting of flags to + VOID above in ffi_prep_cif_machdep. */ + ret_in_memory = (cif->rtype->type == FFI_TYPE_STRUCT + && (cif->flags & 0xff) == FFI_TYPE_VOID); + if (rvalue == NULL && ret_in_memory) + rvalue = alloca (cif->rtype->size); + + /* Allocate the space for the arguments, plus 4 words of temp space. */ + stack = alloca (sizeof (struct register_args) + cif->bytes + 4*8); + reg_args = (struct register_args *) stack; + argp = stack + sizeof (struct register_args); + + gprcount = ssecount = 0; + + /* If the return value is passed in memory, add the pointer as the + first integer argument. */ + if (ret_in_memory) + reg_args->gpr[gprcount++] = (long) rvalue; + + avn = cif->nargs; + arg_types = cif->arg_types; + + for (i = 0; i < avn; ++i) + { + size_t size = arg_types[i]->size; + int n; + + n = examine_argument (arg_types[i], classes, 0, &ngpr, &nsse); + if (n == 0 + || gprcount + ngpr > MAX_GPR_REGS + || ssecount + nsse > MAX_SSE_REGS) + { + long align = arg_types[i]->alignment; + + /* Stack arguments are *always* at least 8 byte aligned. */ + if (align < 8) + align = 8; + + /* Pass this argument in memory. */ + argp = (void *) ALIGN (argp, align); + memcpy (argp, avalue[i], size); + argp += size; + } + else + { + /* The argument is passed entirely in registers. */ + char *a = (char *) avalue[i]; + int j; + + for (j = 0; j < n; j++, a += 8, size -= 8) + { + switch (classes[j]) + { + case X86_64_INTEGER_CLASS: + case X86_64_INTEGERSI_CLASS: + reg_args->gpr[gprcount] = 0; + memcpy (®_args->gpr[gprcount], a, size < 8 ? size : 8); + gprcount++; + break; + case X86_64_SSE_CLASS: + case X86_64_SSEDF_CLASS: + reg_args->sse[ssecount++] = *(UINT64 *) a; + break; + case X86_64_SSESF_CLASS: + reg_args->sse[ssecount++] = *(UINT32 *) a; + break; + default: + abort(); + } + } + } + } + + ffi_call_unix64 (stack, cif->bytes + sizeof (struct register_args), + cif->flags, rvalue, fn, ssecount); +} + + +extern void ffi_closure_unix64(void); + +ffi_status +ffi_prep_closure (ffi_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif*, void*, void**, void*), + void *user_data) +{ + volatile unsigned short *tramp; + + tramp = (volatile unsigned short *) &closure->tramp[0]; + + tramp[0] = 0xbb49; /* mov <code>, %r11 */ + *(void * volatile *) &tramp[1] = ffi_closure_unix64; + tramp[5] = 0xba49; /* mov <data>, %r10 */ + *(void * volatile *) &tramp[6] = closure; + + /* Set the carry bit iff the function uses any sse registers. + This is clc or stc, together with the first byte of the jmp. */ + tramp[10] = cif->flags & (1 << 11) ? 0x49f9 : 0x49f8; + + tramp[11] = 0xe3ff; /* jmp *%r11 */ + + closure->cif = cif; + closure->fun = fun; + closure->user_data = user_data; + + return FFI_OK; +} + +int +ffi_closure_unix64_inner(ffi_closure *closure, void *rvalue, + struct register_args *reg_args, char *argp) +{ + ffi_cif *cif; + void **avalue; + ffi_type **arg_types; + long i, avn; + int gprcount, ssecount, ngpr, nsse; + int ret; + + cif = closure->cif; + avalue = alloca(cif->nargs * sizeof(void *)); + gprcount = ssecount = 0; + + ret = cif->rtype->type; + if (ret != FFI_TYPE_VOID) + { + enum x86_64_reg_class classes[MAX_CLASSES]; + int n = examine_argument (cif->rtype, classes, 1, &ngpr, &nsse); + if (n == 0) + { + /* The return value goes in memory. Arrange for the closure + return value to go directly back to the original caller. */ + rvalue = (void *) reg_args->gpr[gprcount++]; + /* We don't have to do anything in asm for the return. */ + ret = FFI_TYPE_VOID; + } + else if (ret == FFI_TYPE_STRUCT && n == 2) + { + /* Mark which register the second word of the structure goes in. */ + _Bool sse0 = SSE_CLASS_P (classes[0]); + _Bool sse1 = SSE_CLASS_P (classes[1]); + if (!sse0 && sse1) + ret |= 1 << 8; + else if (sse0 && !sse1) + ret |= 1 << 9; + } + } + + avn = cif->nargs; + arg_types = cif->arg_types; + + for (i = 0; i < avn; ++i) + { + enum x86_64_reg_class classes[MAX_CLASSES]; + int n; + + n = examine_argument (arg_types[i], classes, 0, &ngpr, &nsse); + if (n == 0 + || gprcount + ngpr > MAX_GPR_REGS + || ssecount + nsse > MAX_SSE_REGS) + { + long align = arg_types[i]->alignment; + + /* Stack arguments are *always* at least 8 byte aligned. */ + if (align < 8) + align = 8; + + /* Pass this argument in memory. */ + argp = (void *) ALIGN (argp, align); + avalue[i] = argp; + argp += arg_types[i]->size; + } + /* If the argument is in a single register, or two consecutive + registers, then we can use that address directly. */ + else if (n == 1 + || (n == 2 + && SSE_CLASS_P (classes[0]) == SSE_CLASS_P (classes[1]))) + { + /* The argument is in a single register. */ + if (SSE_CLASS_P (classes[0])) + { + avalue[i] = ®_args->sse[ssecount]; + ssecount += n; + } + else + { + avalue[i] = ®_args->gpr[gprcount]; + gprcount += n; + } + } + /* Otherwise, allocate space to make them consecutive. */ + else + { + char *a = alloca (16); + int j; + + avalue[i] = a; + for (j = 0; j < n; j++, a += 8) + { + if (SSE_CLASS_P (classes[j])) + memcpy (a, ®_args->sse[ssecount++], 8); + else + memcpy (a, ®_args->gpr[gprcount++], 8); + } + } + } + + /* Invoke the closure. */ + closure->fun (cif, rvalue, avalue, closure->user_data); + + /* Tell assembly how to perform return type promotions. */ + return ret; +} + +#endif /* __x86_64__ */ diff --git a/gcc-4.2.1/libffi/src/x86/ffitarget.h b/gcc-4.2.1/libffi/src/x86/ffitarget.h new file mode 100644 index 000000000..9500f40aa --- /dev/null +++ b/gcc-4.2.1/libffi/src/x86/ffitarget.h @@ -0,0 +1,81 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. + Target configuration macros for x86 and x86-64. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + ----------------------------------------------------------------------- */ + +#ifndef LIBFFI_TARGET_H +#define LIBFFI_TARGET_H + +/* ---- System specific configurations ----------------------------------- */ + +#if defined (X86_64) && defined (__i386__) +#undef X86_64 +#define X86 +#endif + +/* ---- Generic type definitions ----------------------------------------- */ + +#ifndef LIBFFI_ASM +typedef unsigned long ffi_arg; +typedef signed long ffi_sarg; + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + + /* ---- Intel x86 Win32 ---------- */ +#ifdef X86_WIN32 + FFI_SYSV, + FFI_STDCALL, + /* TODO: Add fastcall support for the sake of completeness */ + FFI_DEFAULT_ABI = FFI_SYSV, +#endif + + /* ---- Intel x86 and AMD x86-64 - */ +#if !defined(X86_WIN32) && (defined(__i386__) || defined(__x86_64__)) + FFI_SYSV, + FFI_UNIX64, /* Unix variants all use the same ABI for x86-64 */ +#ifdef __i386__ + FFI_DEFAULT_ABI = FFI_SYSV, +#else + FFI_DEFAULT_ABI = FFI_UNIX64, +#endif +#endif + + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; +#endif + +/* ---- Definitions for closures ----------------------------------------- */ + +#define FFI_CLOSURES 1 + +#ifdef X86_64 +#define FFI_TRAMPOLINE_SIZE 24 +#define FFI_NATIVE_RAW_API 0 +#else +#define FFI_TRAMPOLINE_SIZE 10 +#define FFI_NATIVE_RAW_API 1 /* x86 has native raw api support */ +#endif + +#endif + diff --git a/gcc-4.2.1/libffi/src/x86/sysv.S b/gcc-4.2.1/libffi/src/x86/sysv.S new file mode 100644 index 000000000..46759f434 --- /dev/null +++ b/gcc-4.2.1/libffi/src/x86/sysv.S @@ -0,0 +1,378 @@ +/* ----------------------------------------------------------------------- + sysv.S - Copyright (c) 1996, 1998, 2001, 2002, 2003, 2005 Red Hat, Inc. + + X86 Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#ifndef __x86_64__ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +.text + +.globl ffi_prep_args + + .align 4 +.globl ffi_call_SYSV + .type ffi_call_SYSV,@function + +ffi_call_SYSV: +.LFB1: + pushl %ebp +.LCFI0: + movl %esp,%ebp +.LCFI1: + /* Make room for all of the new args. */ + movl 16(%ebp),%ecx + subl %ecx,%esp + + movl %esp,%eax + + /* Place all of the ffi_prep_args in position */ + pushl 12(%ebp) + pushl %eax + call *8(%ebp) + + /* Return stack to previous state and call the function */ + addl $8,%esp + + call *28(%ebp) + + /* Remove the space we pushed for the args */ + movl 16(%ebp),%ecx + addl %ecx,%esp + + /* Load %ecx with the return type code */ + movl 20(%ebp),%ecx + + /* If the return value pointer is NULL, assume no return value. */ + cmpl $0,24(%ebp) + jne retint + + /* Even if there is no space for the return value, we are + obliged to handle floating-point values. */ + cmpl $FFI_TYPE_FLOAT,%ecx + jne noretval + fstp %st(0) + + jmp epilogue + +retint: + cmpl $FFI_TYPE_INT,%ecx + jne retfloat + /* Load %ecx with the pointer to storage for the return value */ + movl 24(%ebp),%ecx + movl %eax,0(%ecx) + jmp epilogue + +retfloat: + cmpl $FFI_TYPE_FLOAT,%ecx + jne retdouble + /* Load %ecx with the pointer to storage for the return value */ + movl 24(%ebp),%ecx + fstps (%ecx) + jmp epilogue + +retdouble: + cmpl $FFI_TYPE_DOUBLE,%ecx + jne retlongdouble + /* Load %ecx with the pointer to storage for the return value */ + movl 24(%ebp),%ecx + fstpl (%ecx) + jmp epilogue + +retlongdouble: + cmpl $FFI_TYPE_LONGDOUBLE,%ecx + jne retint64 + /* Load %ecx with the pointer to storage for the return value */ + movl 24(%ebp),%ecx + fstpt (%ecx) + jmp epilogue + +retint64: + cmpl $FFI_TYPE_SINT64,%ecx + jne retstruct + /* Load %ecx with the pointer to storage for the return value */ + movl 24(%ebp),%ecx + movl %eax,0(%ecx) + movl %edx,4(%ecx) + +retstruct: + /* Nothing to do! */ + +noretval: +epilogue: + movl %ebp,%esp + popl %ebp + ret +.LFE1: +.ffi_call_SYSV_end: + .size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV + + .align 4 +FFI_HIDDEN (ffi_closure_SYSV) +.globl ffi_closure_SYSV + .type ffi_closure_SYSV, @function + +ffi_closure_SYSV: +.LFB2: + pushl %ebp +.LCFI2: + movl %esp, %ebp +.LCFI3: + subl $40, %esp + leal -24(%ebp), %edx + movl %edx, -12(%ebp) /* resp */ + leal 8(%ebp), %edx + movl %edx, 4(%esp) /* args = __builtin_dwarf_cfa () */ + leal -12(%ebp), %edx + movl %edx, (%esp) /* &resp */ +#if defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE || !defined __PIC__ + call ffi_closure_SYSV_inner +#else + movl %ebx, 8(%esp) +.LCFI7: + call 1f +1: popl %ebx + addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx + call ffi_closure_SYSV_inner@PLT + movl 8(%esp), %ebx +#endif + movl -12(%ebp), %ecx + cmpl $FFI_TYPE_INT, %eax + je .Lcls_retint + cmpl $FFI_TYPE_FLOAT, %eax + je .Lcls_retfloat + cmpl $FFI_TYPE_DOUBLE, %eax + je .Lcls_retdouble + cmpl $FFI_TYPE_LONGDOUBLE, %eax + je .Lcls_retldouble + cmpl $FFI_TYPE_SINT64, %eax + je .Lcls_retllong +.Lcls_epilogue: + movl %ebp, %esp + popl %ebp + ret +.Lcls_retint: + movl (%ecx), %eax + jmp .Lcls_epilogue +.Lcls_retfloat: + flds (%ecx) + jmp .Lcls_epilogue +.Lcls_retdouble: + fldl (%ecx) + jmp .Lcls_epilogue +.Lcls_retldouble: + fldt (%ecx) + jmp .Lcls_epilogue +.Lcls_retllong: + movl (%ecx), %eax + movl 4(%ecx), %edx + jmp .Lcls_epilogue +.LFE2: + .size ffi_closure_SYSV, .-ffi_closure_SYSV + +#if !FFI_NO_RAW_API + +#define RAW_CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) & ~3) +#define RAW_CLOSURE_FUN_OFFSET (RAW_CLOSURE_CIF_OFFSET + 4) +#define RAW_CLOSURE_USER_DATA_OFFSET (RAW_CLOSURE_FUN_OFFSET + 4) +#define CIF_FLAGS_OFFSET 20 + + .align 4 +FFI_HIDDEN (ffi_closure_raw_SYSV) +.globl ffi_closure_raw_SYSV + .type ffi_closure_raw_SYSV, @function + +ffi_closure_raw_SYSV: +.LFB3: + pushl %ebp +.LCFI4: + movl %esp, %ebp +.LCFI5: + pushl %esi +.LCFI6: + subl $36, %esp + movl RAW_CLOSURE_CIF_OFFSET(%eax), %esi /* closure->cif */ + movl RAW_CLOSURE_USER_DATA_OFFSET(%eax), %edx /* closure->user_data */ + movl %edx, 12(%esp) /* user_data */ + leal 8(%ebp), %edx /* __builtin_dwarf_cfa () */ + movl %edx, 8(%esp) /* raw_args */ + leal -24(%ebp), %edx + movl %edx, 4(%esp) /* &res */ + movl %esi, (%esp) /* cif */ + call *RAW_CLOSURE_FUN_OFFSET(%eax) /* closure->fun */ + movl CIF_FLAGS_OFFSET(%esi), %eax /* rtype */ + cmpl $FFI_TYPE_INT, %eax + je .Lrcls_retint + cmpl $FFI_TYPE_FLOAT, %eax + je .Lrcls_retfloat + cmpl $FFI_TYPE_DOUBLE, %eax + je .Lrcls_retdouble + cmpl $FFI_TYPE_LONGDOUBLE, %eax + je .Lrcls_retldouble + cmpl $FFI_TYPE_SINT64, %eax + je .Lrcls_retllong +.Lrcls_epilogue: + addl $36, %esp + popl %esi + popl %ebp + ret +.Lrcls_retint: + movl -24(%ebp), %eax + jmp .Lrcls_epilogue +.Lrcls_retfloat: + flds -24(%ebp) + jmp .Lrcls_epilogue +.Lrcls_retdouble: + fldl -24(%ebp) + jmp .Lrcls_epilogue +.Lrcls_retldouble: + fldt -24(%ebp) + jmp .Lrcls_epilogue +.Lrcls_retllong: + movl -24(%ebp), %eax + movl -20(%ebp), %edx + jmp .Lrcls_epilogue +.LFE3: + .size ffi_closure_raw_SYSV, .-ffi_closure_raw_SYSV +#endif + + .section .eh_frame,EH_FRAME_FLAGS,@progbits +.Lframe1: + .long .LECIE1-.LSCIE1 /* Length of Common Information Entry */ +.LSCIE1: + .long 0x0 /* CIE Identifier Tag */ + .byte 0x1 /* CIE Version */ +#ifdef __PIC__ + .ascii "zR\0" /* CIE Augmentation */ +#else + .ascii "\0" /* CIE Augmentation */ +#endif + .byte 0x1 /* .uleb128 0x1; CIE Code Alignment Factor */ + .byte 0x7c /* .sleb128 -4; CIE Data Alignment Factor */ + .byte 0x8 /* CIE RA Column */ +#ifdef __PIC__ + .byte 0x1 /* .uleb128 0x1; Augmentation size */ + .byte 0x1b /* FDE Encoding (pcrel sdata4) */ +#endif + .byte 0xc /* DW_CFA_def_cfa */ + .byte 0x4 /* .uleb128 0x4 */ + .byte 0x4 /* .uleb128 0x4 */ + .byte 0x88 /* DW_CFA_offset, column 0x8 */ + .byte 0x1 /* .uleb128 0x1 */ + .align 4 +.LECIE1: +.LSFDE1: + .long .LEFDE1-.LASFDE1 /* FDE Length */ +.LASFDE1: + .long .LASFDE1-.Lframe1 /* FDE CIE offset */ +#ifdef __PIC__ + .long .LFB1-. /* FDE initial location */ +#else + .long .LFB1 /* FDE initial location */ +#endif + .long .LFE1-.LFB1 /* FDE address range */ +#ifdef __PIC__ + .byte 0x0 /* .uleb128 0x0; Augmentation size */ +#endif + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LCFI0-.LFB1 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x8 /* .uleb128 0x8 */ + .byte 0x85 /* DW_CFA_offset, column 0x5 */ + .byte 0x2 /* .uleb128 0x2 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LCFI1-.LCFI0 + .byte 0xd /* DW_CFA_def_cfa_register */ + .byte 0x5 /* .uleb128 0x5 */ + .align 4 +.LEFDE1: +.LSFDE2: + .long .LEFDE2-.LASFDE2 /* FDE Length */ +.LASFDE2: + .long .LASFDE2-.Lframe1 /* FDE CIE offset */ +#ifdef __PIC__ + .long .LFB2-. /* FDE initial location */ +#else + .long .LFB2 +#endif + .long .LFE2-.LFB2 /* FDE address range */ +#ifdef __PIC__ + .byte 0x0 /* .uleb128 0x0; Augmentation size */ +#endif + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LCFI2-.LFB2 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x8 /* .uleb128 0x8 */ + .byte 0x85 /* DW_CFA_offset, column 0x5 */ + .byte 0x2 /* .uleb128 0x2 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LCFI3-.LCFI2 + .byte 0xd /* DW_CFA_def_cfa_register */ + .byte 0x5 /* .uleb128 0x5 */ +#if !defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE && defined __PIC__ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LCFI7-.LCFI3 + .byte 0x83 /* DW_CFA_offset, column 0x3 */ + .byte 0xa /* .uleb128 0xa */ +#endif + .align 4 +.LEFDE2: + +#if !FFI_NO_RAW_API + +.LSFDE3: + .long .LEFDE3-.LASFDE3 /* FDE Length */ +.LASFDE3: + .long .LASFDE3-.Lframe1 /* FDE CIE offset */ +#ifdef __PIC__ + .long .LFB3-. /* FDE initial location */ +#else + .long .LFB3 +#endif + .long .LFE3-.LFB3 /* FDE address range */ +#ifdef __PIC__ + .byte 0x0 /* .uleb128 0x0; Augmentation size */ +#endif + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LCFI4-.LFB3 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .byte 0x8 /* .uleb128 0x8 */ + .byte 0x85 /* DW_CFA_offset, column 0x5 */ + .byte 0x2 /* .uleb128 0x2 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LCFI5-.LCFI4 + .byte 0xd /* DW_CFA_def_cfa_register */ + .byte 0x5 /* .uleb128 0x5 */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LCFI6-.LCFI5 + .byte 0x86 /* DW_CFA_offset, column 0x6 */ + .byte 0x3 /* .uleb128 0x3 */ + .align 4 +.LEFDE3: + +#endif + +#endif /* ifndef __x86_64__ */ diff --git a/gcc-4.2.1/libffi/src/x86/unix64.S b/gcc-4.2.1/libffi/src/x86/unix64.S new file mode 100644 index 000000000..831e1d713 --- /dev/null +++ b/gcc-4.2.1/libffi/src/x86/unix64.S @@ -0,0 +1,412 @@ +/* ----------------------------------------------------------------------- + unix64.S - Copyright (c) 2002 Bo Thorsen <bo@suse.de> + + x86-64 Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#ifdef __x86_64__ +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +.text + +/* ffi_call_unix64 (void *args, unsigned long bytes, unsigned flags, + void *raddr, void (*fnaddr)()); + + Bit o trickiness here -- ARGS+BYTES is the base of the stack frame + for this function. This has been allocated by ffi_call. We also + deallocate some of the stack that has been alloca'd. */ + + .align 2 + .globl ffi_call_unix64 + .type ffi_call_unix64,@function + +ffi_call_unix64: +.LUW0: + movq (%rsp), %r10 /* Load return address. */ + leaq (%rdi, %rsi), %rax /* Find local stack base. */ + movq %rdx, (%rax) /* Save flags. */ + movq %rcx, 8(%rax) /* Save raddr. */ + movq %rbp, 16(%rax) /* Save old frame pointer. */ + movq %r10, 24(%rax) /* Relocate return address. */ + movq %rax, %rbp /* Finalize local stack frame. */ +.LUW1: + movq %rdi, %r10 /* Save a copy of the register area. */ + movq %r8, %r11 /* Save a copy of the target fn. */ + movl %r9d, %eax /* Set number of SSE registers. */ + + /* Load up all argument registers. */ + movq (%r10), %rdi + movq 8(%r10), %rsi + movq 16(%r10), %rdx + movq 24(%r10), %rcx + movq 32(%r10), %r8 + movq 40(%r10), %r9 + testl %eax, %eax + jnz .Lload_sse +.Lret_from_load_sse: + + /* Deallocate the reg arg area. */ + leaq 176(%r10), %rsp + + /* Call the user function. */ + call *%r11 + + /* Deallocate stack arg area; local stack frame in redzone. */ + leaq 24(%rbp), %rsp + + movq 0(%rbp), %rcx /* Reload flags. */ + movq 8(%rbp), %rdi /* Reload raddr. */ + movq 16(%rbp), %rbp /* Reload old frame pointer. */ +.LUW2: + + /* The first byte of the flags contains the FFI_TYPE. */ + movzbl %cl, %r10d + leaq .Lstore_table(%rip), %r11 + movslq (%r11, %r10, 4), %r10 + addq %r11, %r10 + jmp *%r10 + + .section .rodata +.Lstore_table: + .long .Lst_void-.Lstore_table /* FFI_TYPE_VOID */ + .long .Lst_sint32-.Lstore_table /* FFI_TYPE_INT */ + .long .Lst_float-.Lstore_table /* FFI_TYPE_FLOAT */ + .long .Lst_double-.Lstore_table /* FFI_TYPE_DOUBLE */ + .long .Lst_ldouble-.Lstore_table /* FFI_TYPE_LONGDOUBLE */ + .long .Lst_uint8-.Lstore_table /* FFI_TYPE_UINT8 */ + .long .Lst_sint8-.Lstore_table /* FFI_TYPE_SINT8 */ + .long .Lst_uint16-.Lstore_table /* FFI_TYPE_UINT16 */ + .long .Lst_sint16-.Lstore_table /* FFI_TYPE_SINT16 */ + .long .Lst_uint32-.Lstore_table /* FFI_TYPE_UINT32 */ + .long .Lst_sint32-.Lstore_table /* FFI_TYPE_SINT32 */ + .long .Lst_int64-.Lstore_table /* FFI_TYPE_UINT64 */ + .long .Lst_int64-.Lstore_table /* FFI_TYPE_SINT64 */ + .long .Lst_struct-.Lstore_table /* FFI_TYPE_STRUCT */ + .long .Lst_int64-.Lstore_table /* FFI_TYPE_POINTER */ + + .text + .align 2 +.Lst_void: + ret + .align 2 + +.Lst_uint8: + movzbq %al, %rax + movq %rax, (%rdi) + ret + .align 2 +.Lst_sint8: + movsbq %al, %rax + movq %rax, (%rdi) + ret + .align 2 +.Lst_uint16: + movzwq %ax, %rax + movq %rax, (%rdi) + .align 2 +.Lst_sint16: + movswq %ax, %rax + movq %rax, (%rdi) + ret + .align 2 +.Lst_uint32: + movl %eax, %eax + movq %rax, (%rdi) + .align 2 +.Lst_sint32: + cltq + movq %rax, (%rdi) + ret + .align 2 +.Lst_int64: + movq %rax, (%rdi) + ret + + .align 2 +.Lst_float: + movss %xmm0, (%rdi) + ret + .align 2 +.Lst_double: + movsd %xmm0, (%rdi) + ret +.Lst_ldouble: + fstpt (%rdi) + ret + + .align 2 +.Lst_struct: + leaq -20(%rsp), %rsi /* Scratch area in redzone. */ + + /* We have to locate the values now, and since we don't want to + write too much data into the user's return value, we spill the + value to a 16 byte scratch area first. Bits 8, 9, and 10 + control where the values are located. Only one of the three + bits will be set; see ffi_prep_cif_machdep for the pattern. */ + movd %xmm0, %r10 + movd %xmm1, %r11 + testl $0x100, %ecx + cmovnz %rax, %rdx + cmovnz %r10, %rax + testl $0x200, %ecx + cmovnz %r10, %rdx + testl $0x400, %ecx + cmovnz %r10, %rax + cmovnz %r11, %rdx + movq %rax, (%rsi) + movq %rdx, 8(%rsi) + + /* Bits 12-31 contain the true size of the structure. Copy from + the scratch area to the true destination. */ + shrl $12, %ecx + rep movsb + ret + + /* Many times we can avoid loading any SSE registers at all. + It's not worth an indirect jump to load the exact set of + SSE registers needed; zero or all is a good compromise. */ + .align 2 +.LUW3: +.Lload_sse: + movdqa 48(%r10), %xmm0 + movdqa 64(%r10), %xmm1 + movdqa 80(%r10), %xmm2 + movdqa 96(%r10), %xmm3 + movdqa 112(%r10), %xmm4 + movdqa 128(%r10), %xmm5 + movdqa 144(%r10), %xmm6 + movdqa 160(%r10), %xmm7 + jmp .Lret_from_load_sse + +.LUW4: + .size ffi_call_unix64,.-ffi_call_unix64 + + .align 2 + .globl ffi_closure_unix64 + .type ffi_closure_unix64,@function + +ffi_closure_unix64: +.LUW5: + /* The carry flag is set by the trampoline iff SSE registers + are used. Don't clobber it before the branch instruction. */ + leaq -200(%rsp), %rsp +.LUW6: + movq %rdi, (%rsp) + movq %rsi, 8(%rsp) + movq %rdx, 16(%rsp) + movq %rcx, 24(%rsp) + movq %r8, 32(%rsp) + movq %r9, 40(%rsp) + jc .Lsave_sse +.Lret_from_save_sse: + + movq %r10, %rdi + leaq 176(%rsp), %rsi + movq %rsp, %rdx + leaq 208(%rsp), %rcx + call ffi_closure_unix64_inner@PLT + + /* Deallocate stack frame early; return value is now in redzone. */ + addq $200, %rsp +.LUW7: + + /* The first byte of the return value contains the FFI_TYPE. */ + movzbl %al, %r10d + leaq .Lload_table(%rip), %r11 + movslq (%r11, %r10, 4), %r10 + addq %r11, %r10 + jmp *%r10 + + .section .rodata +.Lload_table: + .long .Lld_void-.Lload_table /* FFI_TYPE_VOID */ + .long .Lld_int32-.Lload_table /* FFI_TYPE_INT */ + .long .Lld_float-.Lload_table /* FFI_TYPE_FLOAT */ + .long .Lld_double-.Lload_table /* FFI_TYPE_DOUBLE */ + .long .Lld_ldouble-.Lload_table /* FFI_TYPE_LONGDOUBLE */ + .long .Lld_int8-.Lload_table /* FFI_TYPE_UINT8 */ + .long .Lld_int8-.Lload_table /* FFI_TYPE_SINT8 */ + .long .Lld_int16-.Lload_table /* FFI_TYPE_UINT16 */ + .long .Lld_int16-.Lload_table /* FFI_TYPE_SINT16 */ + .long .Lld_int32-.Lload_table /* FFI_TYPE_UINT32 */ + .long .Lld_int32-.Lload_table /* FFI_TYPE_SINT32 */ + .long .Lld_int64-.Lload_table /* FFI_TYPE_UINT64 */ + .long .Lld_int64-.Lload_table /* FFI_TYPE_SINT64 */ + .long .Lld_struct-.Lload_table /* FFI_TYPE_STRUCT */ + .long .Lld_int64-.Lload_table /* FFI_TYPE_POINTER */ + + .text + .align 2 +.Lld_void: + ret + + .align 2 +.Lld_int8: + movzbl -24(%rsp), %eax + ret + .align 2 +.Lld_int16: + movzwl -24(%rsp), %eax + ret + .align 2 +.Lld_int32: + movl -24(%rsp), %eax + ret + .align 2 +.Lld_int64: + movq -24(%rsp), %rax + ret + + .align 2 +.Lld_float: + movss -24(%rsp), %xmm0 + ret + .align 2 +.Lld_double: + movsd -24(%rsp), %xmm0 + ret + .align 2 +.Lld_ldouble: + fldt -24(%rsp) + ret + + .align 2 +.Lld_struct: + /* There are four possibilities here, %rax/%rdx, %xmm0/%rax, + %rax/%xmm0, %xmm0/%xmm1. We collapse two by always loading + both rdx and xmm1 with the second word. For the remaining, + bit 8 set means xmm0 gets the second word, and bit 9 means + that rax gets the second word. */ + movq -24(%rsp), %rcx + movq -16(%rsp), %rdx + movq -16(%rsp), %xmm1 + testl $0x100, %eax + cmovnz %rdx, %rcx + movd %rcx, %xmm0 + testl $0x200, %eax + movq -24(%rsp), %rax + cmovnz %rdx, %rax + ret + + /* See the comment above .Lload_sse; the same logic applies here. */ + .align 2 +.LUW8: +.Lsave_sse: + movdqa %xmm0, 48(%rsp) + movdqa %xmm1, 64(%rsp) + movdqa %xmm2, 80(%rsp) + movdqa %xmm3, 96(%rsp) + movdqa %xmm4, 112(%rsp) + movdqa %xmm5, 128(%rsp) + movdqa %xmm6, 144(%rsp) + movdqa %xmm7, 160(%rsp) + jmp .Lret_from_save_sse + +.LUW9: + .size ffi_closure_unix64,.-ffi_closure_unix64 + + .section .eh_frame,"a",@progbits +.Lframe1: + .long .LECIE1-.LSCIE1 /* CIE Length */ +.LSCIE1: + .long 0 /* CIE Identifier Tag */ + .byte 1 /* CIE Version */ + .ascii "zR\0" /* CIE Augmentation */ + .uleb128 1 /* CIE Code Alignment Factor */ + .sleb128 -8 /* CIE Data Alignment Factor */ + .byte 0x10 /* CIE RA Column */ + .uleb128 1 /* Augmentation size */ + .byte 0x1b /* FDE Encoding (pcrel sdata4) */ + .byte 0xc /* DW_CFA_def_cfa, %rsp offset 8 */ + .uleb128 7 + .uleb128 8 + .byte 0x80+16 /* DW_CFA_offset, %rip offset 1*-8 */ + .uleb128 1 + .align 8 +.LECIE1: +.LSFDE1: + .long .LEFDE1-.LASFDE1 /* FDE Length */ +.LASFDE1: + .long .LASFDE1-.Lframe1 /* FDE CIE offset */ + .long .LUW0-. /* FDE initial location */ + .long .LUW4-.LUW0 /* FDE address range */ + .uleb128 0x0 /* Augmentation size */ + + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LUW1-.LUW0 + + /* New stack frame based off rbp. This is a itty bit of unwind + trickery in that the CFA *has* changed. There is no easy way + to describe it correctly on entry to the function. Fortunately, + it doesn't matter too much since at all points we can correctly + unwind back to ffi_call. Note that the location to which we + moved the return address is (the new) CFA-8, so from the + perspective of the unwind info, it hasn't moved. */ + .byte 0xc /* DW_CFA_def_cfa, %rbp offset 32 */ + .uleb128 6 + .uleb128 32 + .byte 0x80+6 /* DW_CFA_offset, %rbp offset 2*-8 */ + .uleb128 2 + .byte 0xa /* DW_CFA_remember_state */ + + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LUW2-.LUW1 + .byte 0xc /* DW_CFA_def_cfa, %rsp offset 8 */ + .uleb128 7 + .uleb128 8 + .byte 0xc0+6 /* DW_CFA_restore, %rbp */ + + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LUW3-.LUW2 + .byte 0xb /* DW_CFA_restore_state */ + + .align 8 +.LEFDE1: +.LSFDE3: + .long .LEFDE3-.LASFDE3 /* FDE Length */ +.LASFDE3: + .long .LASFDE3-.Lframe1 /* FDE CIE offset */ + .long .LUW5-. /* FDE initial location */ + .long .LUW9-.LUW5 /* FDE address range */ + .uleb128 0x0 /* Augmentation size */ + + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LUW6-.LUW5 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .uleb128 208 + .byte 0xa /* DW_CFA_remember_state */ + + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LUW7-.LUW6 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .uleb128 8 + + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LUW8-.LUW7 + .byte 0xb /* DW_CFA_restore_state */ + + .align 8 +.LEFDE3: + +#endif /* __x86_64__ */ diff --git a/gcc-4.2.1/libffi/src/x86/win32.S b/gcc-4.2.1/libffi/src/x86/win32.S new file mode 100644 index 000000000..496953e43 --- /dev/null +++ b/gcc-4.2.1/libffi/src/x86/win32.S @@ -0,0 +1,373 @@ +/* ----------------------------------------------------------------------- + win32.S - Copyright (c) 1996, 1998, 2001, 2002 Red Hat, Inc. + Copyright (c) 2001 John Beniton + Copyright (c) 2002 Ranjit Mathew + + + X86 Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +.text + +.globl ffi_prep_args + + # This assumes we are using gas. + .balign 16 +.globl _ffi_call_SYSV + +_ffi_call_SYSV: + pushl %ebp + movl %esp,%ebp + + # Make room for all of the new args. + movl 16(%ebp),%ecx + subl %ecx,%esp + + movl %esp,%eax + + # Place all of the ffi_prep_args in position + pushl 12(%ebp) + pushl %eax + call *8(%ebp) + + # Return stack to previous state and call the function + addl $8,%esp + + # FIXME: Align the stack to a 128-bit boundary to avoid + # potential performance hits. + + call *28(%ebp) + + # Remove the space we pushed for the args + movl 16(%ebp),%ecx + addl %ecx,%esp + + # Load %ecx with the return type code + movl 20(%ebp),%ecx + + # If the return value pointer is NULL, assume no return value. + cmpl $0,24(%ebp) + jne retint + + # Even if there is no space for the return value, we are + # obliged to handle floating-point values. + cmpl $FFI_TYPE_FLOAT,%ecx + jne noretval + fstp %st(0) + + jmp epilogue + +retint: + cmpl $FFI_TYPE_INT,%ecx + jne retfloat + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + movl %eax,0(%ecx) + jmp epilogue + +retfloat: + cmpl $FFI_TYPE_FLOAT,%ecx + jne retdouble + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + fstps (%ecx) + jmp epilogue + +retdouble: + cmpl $FFI_TYPE_DOUBLE,%ecx + jne retlongdouble + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + fstpl (%ecx) + jmp epilogue + +retlongdouble: + cmpl $FFI_TYPE_LONGDOUBLE,%ecx + jne retint64 + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + fstpt (%ecx) + jmp epilogue + +retint64: + cmpl $FFI_TYPE_SINT64,%ecx + jne retstruct1b + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + movl %eax,0(%ecx) + movl %edx,4(%ecx) + +retstruct1b: + cmpl $FFI_TYPE_SINT8,%ecx + jne retstruct2b + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + movb %al,0(%ecx) + jmp epilogue + +retstruct2b: + cmpl $FFI_TYPE_SINT16,%ecx + jne retstruct + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + movw %ax,0(%ecx) + jmp epilogue + +retstruct: + # Nothing to do! + +noretval: +epilogue: + movl %ebp,%esp + popl %ebp + ret + +.ffi_call_SYSV_end: + + # This assumes we are using gas. + .balign 16 +.globl _ffi_call_STDCALL + +_ffi_call_STDCALL: + pushl %ebp + movl %esp,%ebp + + # Make room for all of the new args. + movl 16(%ebp),%ecx + subl %ecx,%esp + + movl %esp,%eax + + # Place all of the ffi_prep_args in position + pushl 12(%ebp) + pushl %eax + call *8(%ebp) + + # Return stack to previous state and call the function + addl $8,%esp + + # FIXME: Align the stack to a 128-bit boundary to avoid + # potential performance hits. + + call *28(%ebp) + + # stdcall functions pop arguments off the stack themselves + + # Load %ecx with the return type code + movl 20(%ebp),%ecx + + # If the return value pointer is NULL, assume no return value. + cmpl $0,24(%ebp) + jne sc_retint + + # Even if there is no space for the return value, we are + # obliged to handle floating-point values. + cmpl $FFI_TYPE_FLOAT,%ecx + jne sc_noretval + fstp %st(0) + + jmp sc_epilogue + +sc_retint: + cmpl $FFI_TYPE_INT,%ecx + jne sc_retfloat + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + movl %eax,0(%ecx) + jmp sc_epilogue + +sc_retfloat: + cmpl $FFI_TYPE_FLOAT,%ecx + jne sc_retdouble + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + fstps (%ecx) + jmp sc_epilogue + +sc_retdouble: + cmpl $FFI_TYPE_DOUBLE,%ecx + jne sc_retlongdouble + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + fstpl (%ecx) + jmp sc_epilogue + +sc_retlongdouble: + cmpl $FFI_TYPE_LONGDOUBLE,%ecx + jne sc_retint64 + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + fstpt (%ecx) + jmp sc_epilogue + +sc_retint64: + cmpl $FFI_TYPE_SINT64,%ecx + jne sc_retstruct1b + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + movl %eax,0(%ecx) + movl %edx,4(%ecx) + +sc_retstruct1b: + cmpl $FFI_TYPE_SINT8,%ecx + jne sc_retstruct2b + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + movb %al,0(%ecx) + jmp sc_epilogue + +sc_retstruct2b: + cmpl $FFI_TYPE_SINT16,%ecx + jne sc_retstruct + # Load %ecx with the pointer to storage for the return value + movl 24(%ebp),%ecx + movw %ax,0(%ecx) + jmp sc_epilogue + +sc_retstruct: + # Nothing to do! + +sc_noretval: +sc_epilogue: + movl %ebp,%esp + popl %ebp + ret + +.ffi_call_STDCALL_end: + + .globl _ffi_closure_SYSV +_ffi_closure_SYSV: + pushl %ebp + movl %esp, %ebp + subl $40, %esp + leal -24(%ebp), %edx + movl %edx, -12(%ebp) /* resp */ + leal 8(%ebp), %edx + movl %edx, 4(%esp) /* args = __builtin_dwarf_cfa () */ + leal -12(%ebp), %edx + movl %edx, (%esp) /* &resp */ + call _ffi_closure_SYSV_inner + movl -12(%ebp), %ecx + cmpl $FFI_TYPE_INT, %eax + je .Lcls_retint + cmpl $FFI_TYPE_FLOAT, %eax + je .Lcls_retfloat + cmpl $FFI_TYPE_DOUBLE, %eax + je .Lcls_retdouble + cmpl $FFI_TYPE_LONGDOUBLE, %eax + je .Lcls_retldouble + cmpl $FFI_TYPE_SINT64, %eax + je .Lcls_retllong + cmpl $FFI_TYPE_SINT8, %eax /* 1-byte struct */ + je .Lcls_retstruct1 + cmpl $FFI_TYPE_SINT16, %eax /* 2-bytes struct */ + je .Lcls_retstruct2 +.Lcls_epilogue: + movl %ebp, %esp + popl %ebp + ret +.Lcls_retint: + movl (%ecx), %eax + jmp .Lcls_epilogue +.Lcls_retfloat: + flds (%ecx) + jmp .Lcls_epilogue +.Lcls_retdouble: + fldl (%ecx) + jmp .Lcls_epilogue +.Lcls_retldouble: + fldt (%ecx) + jmp .Lcls_epilogue +.Lcls_retllong: + movl (%ecx), %eax + movl 4(%ecx), %edx + jmp .Lcls_epilogue +.Lcls_retstruct1: + movsbl (%ecx), %eax + jmp .Lcls_epilogue +.Lcls_retstruct2: + movswl (%ecx), %eax + jmp .Lcls_epilogue +.ffi_closure_SYSV_end: + +#if !FFI_NO_RAW_API + +#define RAW_CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) & ~3) +#define RAW_CLOSURE_FUN_OFFSET (RAW_CLOSURE_CIF_OFFSET + 4) +#define RAW_CLOSURE_USER_DATA_OFFSET (RAW_CLOSURE_FUN_OFFSET + 4) +#define CIF_FLAGS_OFFSET 20 + + .balign 16 + .globl _ffi_closure_raw_SYSV +_ffi_closure_raw_SYSV: + pushl %ebp + movl %esp, %ebp + pushl %esi + subl $36, %esp + movl RAW_CLOSURE_CIF_OFFSET(%eax), %esi /* closure->cif */ + movl RAW_CLOSURE_USER_DATA_OFFSET(%eax), %edx /* closure->user_data */ + movl %edx, 12(%esp) /* user_data */ + leal 8(%ebp), %edx /* __builtin_dwarf_cfa () */ + movl %edx, 8(%esp) /* raw_args */ + leal -24(%ebp), %edx + movl %edx, 4(%esp) /* &res */ + movl %esi, (%esp) /* cif */ + call *RAW_CLOSURE_FUN_OFFSET(%eax) /* closure->fun */ + movl CIF_FLAGS_OFFSET(%esi), %eax /* rtype */ + cmpl $FFI_TYPE_INT, %eax + je .Lrcls_retint + cmpl $FFI_TYPE_FLOAT, %eax + je .Lrcls_retfloat + cmpl $FFI_TYPE_DOUBLE, %eax + je .Lrcls_retdouble + cmpl $FFI_TYPE_LONGDOUBLE, %eax + je .Lrcls_retldouble + cmpl $FFI_TYPE_SINT64, %eax + je .Lrcls_retllong +.Lrcls_epilogue: + addl $36, %esp + popl %esi + popl %ebp + ret +.Lrcls_retint: + movl -24(%ebp), %eax + jmp .Lrcls_epilogue +.Lrcls_retfloat: + flds -24(%ebp) + jmp .Lrcls_epilogue +.Lrcls_retdouble: + fldl -24(%ebp) + jmp .Lrcls_epilogue +.Lrcls_retldouble: + fldt -24(%ebp) + jmp .Lrcls_epilogue +.Lrcls_retllong: + movl -24(%ebp), %eax + movl -20(%ebp), %edx + jmp .Lrcls_epilogue +.ffi_closure_raw_SYSV_end: + +#endif |