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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libffi/src/sh | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libffi/src/sh')
-rw-r--r-- | gcc-4.9/libffi/src/sh/ffi.c | 717 | ||||
-rw-r--r-- | gcc-4.9/libffi/src/sh/ffitarget.h | 54 | ||||
-rw-r--r-- | gcc-4.9/libffi/src/sh/sysv.S | 850 |
3 files changed, 1621 insertions, 0 deletions
diff --git a/gcc-4.9/libffi/src/sh/ffi.c b/gcc-4.9/libffi/src/sh/ffi.c new file mode 100644 index 000000000..3515b91b1 --- /dev/null +++ b/gcc-4.9/libffi/src/sh/ffi.c @@ -0,0 +1,717 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 2002-2008, 2012 Kaz Kojima + Copyright (c) 2008 Red Hat, Inc. + + 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 THE AUTHORS OR COPYRIGHT + HOLDERS 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)); + +void ffi_call(ffi_cif *cif, void (*fn)(void), 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_loc (ffi_closure* closure, + ffi_cif* cif, + void (*fun)(ffi_cif*, void*, void**, void*), + void *user_data, + void *codeloc) +{ + unsigned int *tramp; + unsigned int insn; + + if (cif->abi != FFI_SYSV) + return FFI_BAD_ABI; + + 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 *)codeloc; /* 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(codeloc); +#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-4.9/libffi/src/sh/ffitarget.h b/gcc-4.9/libffi/src/sh/ffitarget.h new file mode 100644 index 000000000..a36bf4207 --- /dev/null +++ b/gcc-4.9/libffi/src/sh/ffitarget.h @@ -0,0 +1,54 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - Copyright (c) 2012 Anthony Green + 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 THE AUTHORS OR COPYRIGHT + HOLDERS 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_H +#error "Please do not include ffitarget.h directly into your source. Use ffi.h instead." +#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, + FFI_SYSV, + FFI_LAST_ABI, + FFI_DEFAULT_ABI = FFI_SYSV +} ffi_abi; +#endif + +#define FFI_CLOSURES 1 +#define FFI_TRAMPOLINE_SIZE 16 +#define FFI_NATIVE_RAW_API 0 + +#endif + diff --git a/gcc-4.9/libffi/src/sh/sysv.S b/gcc-4.9/libffi/src/sh/sysv.S new file mode 100644 index 000000000..5be7516d6 --- /dev/null +++ b/gcc-4.9/libffi/src/sh/sysv.S @@ -0,0 +1,850 @@ +/* ----------------------------------------------------------------------- + sysv.S - Copyright (c) 2002, 2003, 2004, 2006, 2008 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 THE AUTHORS OR COPYRIGHT + HOLDERS 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) + +#if defined __ELF__ && defined __linux__ + .section .note.GNU-stack,"",@progbits +#endif + + .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: |