diff options
Diffstat (limited to 'libffi/src/sparc/v9.S')
| -rw-r--r-- | libffi/src/sparc/v9.S | 110 |
1 files changed, 107 insertions, 3 deletions
diff --git a/libffi/src/sparc/v9.S b/libffi/src/sparc/v9.S index bd358c0d84d..8dc9c90f661 100644 --- a/libffi/src/sparc/v9.S +++ b/libffi/src/sparc/v9.S @@ -1,5 +1,5 @@ /* ----------------------------------------------------------------------- - v9.S - Copyright (c) 2000 Cygnus Solutions + v9.S - Copyright (c) 2000, 2003 Cygnus Solutions Sparc 64bit Foreign Function Interface @@ -99,7 +99,7 @@ _ffi_call_V9: cmp %i3, FFI_TYPE_STRUCT be,pn %icc, dostruct - cmp %i3, FFI_TYPE_LONGDOUBLE + cmp %i3, FFI_TYPE_LONGDOUBLE bne,pt %icc, done nop std %f0, [%i4+0] @@ -125,6 +125,88 @@ dostruct: .ffi_call_V9_end: .size ffi_call_V9,.ffi_call_V9_end-ffi_call_V9 + +#define STACKFRAME 240 /* 16*8 register window + + 6*8 args backing store + + 8*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-48] + std %f2, [FP-40] + std %f4, [FP-32] + std %f6, [FP-24] + std %f8, [FP-16] + std %f10, [FP-8] + + ! Call ffi_closure_sparc_inner to do the bulk of the work. + mov %g1, %o0 + add %fp, STACK_BIAS-64, %o1 + add %fp, STACK_BIAS+128, %o2 + call ffi_closure_sparc_inner + add %fp, STACK_BIAS-48, %o3 + + ! Load up the return value in the proper type. + cmp %o0, FFI_TYPE_VOID + be,pn %icc, done1 + + cmp %o0, FFI_TYPE_FLOAT + be,a,pn %icc, done1 + ld [FP-64], %f0 + + cmp %o0, FFI_TYPE_DOUBLE + be,a,pn %icc, done1 + ldd [FP-64], %f0 + + cmp %o0, FFI_TYPE_LONGDOUBLE + be,a,pn %icc, longdouble1 + ldd [FP-64], %f0 + + cmp %o0, FFI_TYPE_STRUCT + be,pn %icc, struct1 + + ! FFI_TYPE_UINT64 | FFI_TYPE_SINT64 | FFI_TYPE_POINTER + ldx [FP-64], %i0 + +done1: + ret + restore + +struct1: + ldx [FP-56], %i2 + ret + restore + +longdouble1: + ldd [FP-56], %f2 + ret + restore +.LLFE2: + +.ffi_closure_v9_end: + .size ffi_closure_v9,.ffi_closure_v9_end-ffi_closure_v9 + .section ".eh_frame",#alloc,#write .LLframe1: .uaword .LLECIE1-.LLSCIE1 ! Length of Common Information Entry @@ -169,5 +251,27 @@ dostruct: .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 |