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Diffstat (limited to 'js/src/ctypes/libffi/src/sparc/v9.S')
| -rw-r--r-- | js/src/ctypes/libffi/src/sparc/v9.S | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/js/src/ctypes/libffi/src/sparc/v9.S b/js/src/ctypes/libffi/src/sparc/v9.S new file mode 100644 index 0000000000..55f8f4324c --- /dev/null +++ b/js/src/ctypes/libffi/src/sparc/v9.S @@ -0,0 +1,440 @@ +/* ----------------------------------------------------------------------- + v9.S - Copyright (c) 2000, 2003, 2004, 2008 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 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> +#include "internal.h" + +#ifdef SPARC64 + +#define C2(X, Y) X ## Y +#define C1(X, Y) C2(X, Y) + +#ifdef __USER_LABEL_PREFIX__ +# define C(Y) C1(__USER_LABEL_PREFIX__, Y) +#else +# define C(Y) Y +#endif +#define L(Y) C1(.L, Y) + +#if defined(__sun__) && defined(__svr4__) +# define E(INDEX) .align 16 +#else +# define E(INDEX) .align 16; .org 2b + INDEX * 16 +#endif + +#define STACK_BIAS 2047 + + .text + .align 8 + .globl C(ffi_call_v9) + .type C(ffi_call_v9),#function + FFI_HIDDEN(C(ffi_call_v9)) + +C(ffi_call_v9): +.LUW0: + save %sp, %o4, %sp +.LUW1: + mov %i0, %o0 ! copy cif + add %sp, STACK_BIAS+128+48, %o1 ! load args area + mov %i2, %o2 ! copy rvalue + call C(ffi_prep_args_v9) + mov %i3, %o3 ! copy avalue + + andcc %o0, SPARC_FLAG_FP_ARGS, %g0 ! need fp regs? + add %sp, 48, %sp ! deallocate prep frame + be,pt %xcc, 1f + mov %o0, %l0 ! save flags + + ldd [%sp+STACK_BIAS+128], %f0 ! load all fp arg regs + ldd [%sp+STACK_BIAS+128+8], %f2 + ldd [%sp+STACK_BIAS+128+16], %f4 + ldd [%sp+STACK_BIAS+128+24], %f6 + ldd [%sp+STACK_BIAS+128+32], %f8 + ldd [%sp+STACK_BIAS+128+40], %f10 + ldd [%sp+STACK_BIAS+128+48], %f12 + ldd [%sp+STACK_BIAS+128+56], %f14 + ldd [%sp+STACK_BIAS+128+64], %f16 + ldd [%sp+STACK_BIAS+128+72], %f18 + ldd [%sp+STACK_BIAS+128+80], %f20 + ldd [%sp+STACK_BIAS+128+88], %f22 + ldd [%sp+STACK_BIAS+128+96], %f24 + ldd [%sp+STACK_BIAS+128+104], %f26 + ldd [%sp+STACK_BIAS+128+112], %f28 + ldd [%sp+STACK_BIAS+128+120], %f30 + +1: ldx [%sp+STACK_BIAS+128], %o0 ! load all int arg regs + ldx [%sp+STACK_BIAS+128+8], %o1 + ldx [%sp+STACK_BIAS+128+16], %o2 + ldx [%sp+STACK_BIAS+128+24], %o3 + ldx [%sp+STACK_BIAS+128+32], %o4 + ldx [%sp+STACK_BIAS+128+40], %o5 + call %i1 + mov %i5, %g5 ! load static chain + +0: call 1f ! load pc in %o7 + and %l0, SPARC_FLAG_RET_MASK, %l1 +1: sll %l1, 4, %l1 + add %o7, %l1, %o7 ! o7 = 0b + ret_type*16 + jmp %o7+(2f-0b) + nop + + .align 16 +2: +E(SPARC_RET_VOID) + return %i7+8 + nop +E(SPARC_RET_STRUCT) + add %sp, STACK_BIAS-64+128+48, %l2 + sub %sp, 64, %sp + b 8f + stx %o0, [%l2] +E(SPARC_RET_UINT8) + and %o0, 0xff, %i0 + return %i7+8 + stx %o0, [%o2] +E(SPARC_RET_SINT8) + sll %o0, 24, %o0 + sra %o0, 24, %i0 + return %i7+8 + stx %o0, [%o2] +E(SPARC_RET_UINT16) + sll %o0, 16, %o0 + srl %o0, 16, %i0 + return %i7+8 + stx %o0, [%o2] +E(SPARC_RET_SINT16) + sll %o0, 16, %o0 + sra %o0, 16, %i0 + return %i7+8 + stx %o0, [%o2] +E(SPARC_RET_UINT32) + srl %o0, 0, %i0 + return %i7+8 + stx %o0, [%o2] +E(SP_V9_RET_SINT32) + sra %o0, 0, %i0 + return %i7+8 + stx %o0, [%o2] +E(SPARC_RET_INT64) + stx %o0, [%i2] + return %i7+8 + nop +E(SPARC_RET_INT128) + stx %o0, [%i2] + stx %o1, [%i2+8] + return %i7+8 + nop +E(SPARC_RET_F_8) + st %f7, [%i2+7*4] + nop + st %f6, [%i2+6*4] + nop +E(SPARC_RET_F_6) + st %f5, [%i2+5*4] + nop + st %f4, [%i2+4*4] + nop +E(SPARC_RET_F_4) + std %f2, [%i2+2*4] + return %i7+8 + std %f0, [%o2] +E(SPARC_RET_F_2) + return %i7+8 + std %f0, [%o2] +E(SP_V9_RET_F_3) + st %f2, [%i2+2*4] + nop + st %f1, [%i2+1*4] + nop +E(SPARC_RET_F_1) + return %i7+8 + st %f0, [%o2] + + ! Finish the SPARC_RET_STRUCT sequence. + .align 8 +8: stx %o1, [%l2+8] + stx %o2, [%l2+16] + stx %o3, [%l2+24] + std %f0, [%l2+32] + std %f2, [%l2+40] + std %f4, [%l2+48] + std %f6, [%l2+56] + + ! Copy the structure into place. + srl %l0, SPARC_SIZEMASK_SHIFT, %o0 ! load size_mask + mov %i2, %o1 ! load dst + mov %l2, %o2 ! load src_gp + call C(ffi_struct_float_copy) + add %l2, 32, %o3 ! load src_fp + + return %i7+8 + nop + +.LUW2: + .size C(ffi_call_v9), . - C(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. */ + + .align 8 + .globl C(ffi_go_closure_v9) + .type C(ffi_go_closure_v9),#function + FFI_HIDDEN(C(ffi_go_closure_v9)) + +C(ffi_go_closure_v9): +.LUW3: + save %sp, -STACKFRAME, %sp +.LUW4: + ldx [%g5+8], %o0 + ldx [%g5+16], %o1 + b 0f + mov %g5, %o2 + +.LUW5: + .size C(ffi_go_closure_v9), . - C(ffi_go_closure_v9) + + .align 8 + .globl C(ffi_closure_v9) + .type C(ffi_closure_v9),#function + FFI_HIDDEN(C(ffi_closure_v9)) + +C(ffi_closure_v9): +.LUW6: + save %sp, -STACKFRAME, %sp +.LUW7: + ldx [%g1+FFI_TRAMPOLINE_SIZE], %o0 + ldx [%g1+FFI_TRAMPOLINE_SIZE+8], %o1 + ldx [%g1+FFI_TRAMPOLINE_SIZE+16], %o2 +0: + ! 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. + add %fp, STACK_BIAS-160, %o3 + add %fp, STACK_BIAS+128, %o4 + call C(ffi_closure_sparc_inner_v9) + add %fp, STACK_BIAS-128, %o5 + +0: call 1f ! load pc in %o7 + and %o0, SPARC_FLAG_RET_MASK, %o0 +1: sll %o0, 4, %o0 ! o2 = i2 * 16 + add %o7, %o0, %o7 ! o7 = 0b + i2*16 + jmp %o7+(2f-0b) + nop + + ! Note that we cannot load the data in the delay slot of + ! the return insn because the data is in the stack frame + ! that is deallocated by the return. + .align 16 +2: +E(SPARC_RET_VOID) + return %i7+8 + nop +E(SPARC_RET_STRUCT) + ldx [FP-160], %i0 + ldd [FP-160], %f0 + b 8f + ldx [FP-152], %i1 +E(SPARC_RET_UINT8) + ldub [FP-160+7], %i0 + return %i7+8 + nop +E(SPARC_RET_SINT8) + ldsb [FP-160+7], %i0 + return %i7+8 + nop +E(SPARC_RET_UINT16) + lduh [FP-160+6], %i0 + return %i7+8 + nop +E(SPARC_RET_SINT16) + ldsh [FP-160+6], %i0 + return %i7+8 + nop +E(SPARC_RET_UINT32) + lduw [FP-160+4], %i0 + return %i7+8 + nop +E(SP_V9_RET_SINT32) + ldsw [FP-160+4], %i0 + return %i7+8 + nop +E(SPARC_RET_INT64) + ldx [FP-160], %i0 + return %i7+8 + nop +E(SPARC_RET_INT128) + ldx [FP-160], %i0 + ldx [FP-160+8], %i1 + return %i7+8 + nop +E(SPARC_RET_F_8) + ld [FP-160+7*4], %f7 + nop + ld [FP-160+6*4], %f6 + nop +E(SPARC_RET_F_6) + ld [FP-160+5*4], %f5 + nop + ld [FP-160+4*4], %f4 + nop +E(SPARC_RET_F_4) + ldd [FP-160], %f0 + ldd [FP-160+8], %f2 + return %i7+8 + nop +E(SPARC_RET_F_2) + ldd [FP-160], %f0 + return %i7+8 + nop +E(SP_V9_RET_F_3) + ld [FP-160+2*4], %f2 + nop + ld [FP-160+1*4], %f1 + nop +E(SPARC_RET_F_1) + ld [FP-160], %f0 + return %i7+8 + nop + + ! Finish the SPARC_RET_STRUCT sequence. + .align 8 +8: ldd [FP-152], %f2 + ldx [FP-144], %i2 + ldd [FP-144], %f4 + ldx [FP-136], %i3 + ldd [FP-136], %f6 + return %i7+8 + nop + +.LUW8: + .size C(ffi_closure_v9), . - C(ffi_closure_v9) + +#ifdef HAVE_RO_EH_FRAME + .section ".eh_frame",#alloc +#else + .section ".eh_frame",#alloc,#write +#endif + +#ifdef HAVE_AS_SPARC_UA_PCREL +# define FDE_RANGE(B, E) .long %r_disp32(B), E - B +#else +# define FDE_RANGE(B, E) .align 8; .xword B, E - B +#endif + + .align 8 +.LCIE: + .long .LECIE - .LSCIE ! CIE Length +.LSCIE: + .long 0 ! CIE Identifier Tag + .byte 1 ! CIE Version + .ascii "zR\0" ! CIE Augmentation + .byte 4 ! CIE Code Alignment Factor + .byte 0x78 ! CIE Data Alignment Factor + .byte 15 ! CIE RA Column + .byte 1 ! Augmentation size +#ifdef HAVE_AS_SPARC_UA_PCREL + .byte 0x1b ! FDE Encoding (pcrel sdata4) +#else + .byte 0x50 ! FDE Encoding (aligned absolute) +#endif + .byte 0xc, 14, 0xff, 0xf ! DW_CFA_def_cfa, %o6, offset 0x7ff + .align 8 +.LECIE: + + .long .LEFDE1 - .LSFDE1 ! FDE Length +.LSFDE1: + .long .LSFDE1 - .LCIE ! FDE CIE offset + FDE_RANGE(.LUW0, .LUW2) + .byte 0 ! Augmentation size + .byte 0x40+1 ! DW_CFA_advance_loc 4 + .byte 0xd, 30 ! DW_CFA_def_cfa_register, %i6 + .byte 0x2d ! DW_CFA_GNU_window_save + .byte 0x9, 15, 31 ! DW_CFA_register, %o7, %i7 + .align 8 +.LEFDE1: + + .long .LEFDE2 - .LSFDE2 ! FDE Length +.LSFDE2: + .long .LSFDE2 - .LCIE ! FDE CIE offset + FDE_RANGE(.LUW3, .LUW5) + .byte 0 ! Augmentation size + .byte 0x40+1 ! DW_CFA_advance_loc 4 + .byte 0xd, 30 ! DW_CFA_def_cfa_register, %i6 + .byte 0x2d ! DW_CFA_GNU_window_save + .byte 0x9, 15, 31 ! DW_CFA_register, %o7, %i7 + .align 8 +.LEFDE2: + + .long .LEFDE3 - .LSFDE3 ! FDE Length +.LSFDE3: + .long .LSFDE3 - .LCIE ! FDE CIE offset + FDE_RANGE(.LUW6, .LUW8) + .byte 0 ! Augmentation size + .byte 0x40+1 ! DW_CFA_advance_loc 4 + .byte 0xd, 30 ! DW_CFA_def_cfa_register, %i6 + .byte 0x2d ! DW_CFA_GNU_window_save + .byte 0x9, 15, 31 ! DW_CFA_register, %o7, %i7 + .align 8 +.LEFDE3: + +#endif /* SPARC64 */ +#ifdef __linux__ + .section .note.GNU-stack,"",@progbits +#endif |