diff options
Diffstat (limited to 'gcc-4.4.3/libffi/src/sparc/v9.S')
| -rw-r--r-- | gcc-4.4.3/libffi/src/sparc/v9.S | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/gcc-4.4.3/libffi/src/sparc/v9.S b/gcc-4.4.3/libffi/src/sparc/v9.S new file mode 100644 index 000000000..a8e8bf98d --- /dev/null +++ b/gcc-4.4.3/libffi/src/sparc/v9.S @@ -0,0 +1,306 @@ +/* ----------------------------------------------------------------------- + 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 + +#ifdef __linux__ + .section .note.GNU-stack,"",@progbits +#endif |