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| author | Ondřej Surý <ondrej@sury.org> | 2011-09-13 13:13:40 +0200 |
|---|---|---|
| committer | Ondřej Surý <ondrej@sury.org> | 2011-09-13 13:13:40 +0200 |
| commit | 5ff4c17907d5b19510a62e08fd8d3b11e62b431d (patch) | |
| tree | c0650497e988f47be9c6f2324fa692a52dea82e1 /src/pkg/syscall/asm_darwin_amd64.s | |
| parent | 80f18fc933cf3f3e829c5455a1023d69f7b86e52 (diff) | |
| download | golang-upstream/60.tar.gz | |
Imported Upstream version 60upstream/60
Diffstat (limited to 'src/pkg/syscall/asm_darwin_amd64.s')
| -rw-r--r-- | src/pkg/syscall/asm_darwin_amd64.s | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/pkg/syscall/asm_darwin_amd64.s b/src/pkg/syscall/asm_darwin_amd64.s new file mode 100644 index 000000000..1613622aa --- /dev/null +++ b/src/pkg/syscall/asm_darwin_amd64.s @@ -0,0 +1,101 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +// System call support for AMD64, Darwin +// + +// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64); +// func Syscall6(trap int64, a1, a2, a3, a4, a5, a6 int64) (r1, r2, err int64); +// Trap # in AX, args in DI SI DX, return in AX DX + +TEXT ·Syscall(SB),7,$0 + CALL runtime·entersyscall(SB) + MOVQ 16(SP), DI + MOVQ 24(SP), SI + MOVQ 32(SP), DX + MOVQ $0, R10 + MOVQ $0, R8 + MOVQ $0, R9 + MOVQ 8(SP), AX // syscall entry + ADDQ $0x2000000, AX + SYSCALL + JCC ok + MOVQ $-1, 40(SP) // r1 + MOVQ $0, 48(SP) // r2 + MOVQ AX, 56(SP) // errno + CALL runtime·exitsyscall(SB) + RET +ok: + MOVQ AX, 40(SP) // r1 + MOVQ DX, 48(SP) // r2 + MOVQ $0, 56(SP) // errno + CALL runtime·exitsyscall(SB) + RET + +TEXT ·Syscall6(SB),7,$0 + CALL runtime·entersyscall(SB) + MOVQ 16(SP), DI + MOVQ 24(SP), SI + MOVQ 32(SP), DX + MOVQ 40(SP), R10 + MOVQ 48(SP), R8 + MOVQ 56(SP), R9 + MOVQ 8(SP), AX // syscall entry + ADDQ $0x2000000, AX + SYSCALL + JCC ok6 + MOVQ $-1, 64(SP) // r1 + MOVQ $0, 72(SP) // r2 + MOVQ AX, 80(SP) // errno + CALL runtime·exitsyscall(SB) + RET +ok6: + MOVQ AX, 64(SP) // r1 + MOVQ DX, 72(SP) // r2 + MOVQ $0, 80(SP) // errno + CALL runtime·exitsyscall(SB) + RET + +TEXT ·RawSyscall(SB),7,$0 + MOVQ 16(SP), DI + MOVQ 24(SP), SI + MOVQ 32(SP), DX + MOVQ $0, R10 + MOVQ $0, R8 + MOVQ $0, R9 + MOVQ 8(SP), AX // syscall entry + ADDQ $0x2000000, AX + SYSCALL + JCC ok1 + MOVQ $-1, 40(SP) // r1 + MOVQ $0, 48(SP) // r2 + MOVQ AX, 56(SP) // errno + RET +ok1: + MOVQ AX, 40(SP) // r1 + MOVQ DX, 48(SP) // r2 + MOVQ $0, 56(SP) // errno + RET + +TEXT ·RawSyscall6(SB),7,$0 + MOVQ 16(SP), DI + MOVQ 24(SP), SI + MOVQ 32(SP), DX + MOVQ 40(SP), R10 + MOVQ 48(SP), R8 + MOVQ 56(SP), R9 + MOVQ 8(SP), AX // syscall entry + ADDQ $0x2000000, AX + SYSCALL + JCC ok2 + MOVQ $-1, 64(SP) // r1 + MOVQ $0, 72(SP) // r2 + MOVQ AX, 80(SP) // errno + RET +ok2: + MOVQ AX, 64(SP) // r1 + MOVQ DX, 72(SP) // r2 + MOVQ $0, 80(SP) // errno + RET |