diff options
Diffstat (limited to 'src/pkg/syscall/asm_linux_amd64.s')
| -rw-r--r-- | src/pkg/syscall/asm_linux_amd64.s | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/src/pkg/syscall/asm_linux_amd64.s b/src/pkg/syscall/asm_linux_amd64.s deleted file mode 100644 index 514693283..000000000 --- a/src/pkg/syscall/asm_linux_amd64.s +++ /dev/null @@ -1,126 +0,0 @@ -// 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. - -// TODO(rsc): Rewrite all nn(SP) references into name+(nn-8)(FP) -// so that go vet can check that they are correct. - -#include "textflag.h" - -// -// System calls for AMD64, Linux -// - -// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64); -// Trap # in AX, args in DI SI DX R10 R8 R9, return in AX DX -// Note that this differs from "standard" ABI convention, which -// would pass 4th arg in CX, not R10. - -TEXT ·Syscall(SB),NOSPLIT,$0-56 - 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 - SYSCALL - CMPQ AX, $0xfffffffffffff001 - JLS ok - MOVQ $-1, 40(SP) // r1 - MOVQ $0, 48(SP) // r2 - NEGQ AX - 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),NOSPLIT,$0-80 - 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 - SYSCALL - CMPQ AX, $0xfffffffffffff001 - JLS ok6 - MOVQ $-1, 64(SP) // r1 - MOVQ $0, 72(SP) // r2 - NEGQ AX - 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),NOSPLIT,$0-56 - 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 - SYSCALL - CMPQ AX, $0xfffffffffffff001 - JLS ok1 - MOVQ $-1, 40(SP) // r1 - MOVQ $0, 48(SP) // r2 - NEGQ AX - 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),NOSPLIT,$0-80 - 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 - SYSCALL - CMPQ AX, $0xfffffffffffff001 - JLS ok2 - MOVQ $-1, 64(SP) // r1 - MOVQ $0, 72(SP) // r2 - NEGQ AX - MOVQ AX, 80(SP) // errno - RET -ok2: - MOVQ AX, 64(SP) // r1 - MOVQ DX, 72(SP) // r2 - MOVQ $0, 80(SP) // errno - RET - -TEXT ·gettimeofday(SB),NOSPLIT,$0-16 - MOVQ 8(SP), DI - MOVQ $0, SI - MOVQ runtime·__vdso_gettimeofday_sym(SB), AX - CALL AX - - CMPQ AX, $0xfffffffffffff001 - JLS ok7 - NEGQ AX - MOVQ AX, 16(SP) // errno - RET -ok7: - MOVQ $0, 16(SP) // errno - RET |