diff options
Diffstat (limited to 'src/pkg/syscall/asm_openbsd_386.s')
| -rw-r--r-- | src/pkg/syscall/asm_openbsd_386.s | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/src/pkg/syscall/asm_openbsd_386.s b/src/pkg/syscall/asm_openbsd_386.s deleted file mode 100644 index 7dd2e373f..000000000 --- a/src/pkg/syscall/asm_openbsd_386.s +++ /dev/null @@ -1,142 +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 "../../cmd/ld/textflag.h" - -// -// System call support for 386, OpenBSD -// - -// func Syscall(trap int32, a1, a2, a3 int32) (r1, r2, err int32); -// func Syscall6(trap int32, a1, a2, a3, a4, a5, a6 int32) (r1, r2, err int32); -// Trap # in AX, args on stack above caller pc. - -TEXT ·Syscall(SB),NOSPLIT,$0-28 - CALL runtime·entersyscall(SB) - MOVL 4(SP), AX // syscall entry - // slide args down on top of system call number - LEAL 8(SP), SI - LEAL 4(SP), DI - CLD - MOVSL - MOVSL - MOVSL - INT $0x80 - JAE ok - MOVL $-1, 20(SP) // r1 - MOVL $-1, 24(SP) // r2 - MOVL AX, 28(SP) // errno - CALL runtime·exitsyscall(SB) - RET -ok: - MOVL AX, 20(SP) // r1 - MOVL DX, 24(SP) // r2 - MOVL $0, 28(SP) // errno - CALL runtime·exitsyscall(SB) - RET - -TEXT ·Syscall6(SB),NOSPLIT,$0-40 - CALL runtime·entersyscall(SB) - MOVL 4(SP), AX // syscall entry - // slide args down on top of system call number - LEAL 8(SP), SI - LEAL 4(SP), DI - CLD - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - INT $0x80 - JAE ok6 - MOVL $-1, 32(SP) // r1 - MOVL $-1, 36(SP) // r2 - MOVL AX, 40(SP) // errno - CALL runtime·exitsyscall(SB) - RET -ok6: - MOVL AX, 32(SP) // r1 - MOVL DX, 36(SP) // r2 - MOVL $0, 40(SP) // errno - CALL runtime·exitsyscall(SB) - RET - -TEXT ·Syscall9(SB),NOSPLIT,$0-52 - CALL runtime·entersyscall(SB) - MOVL 4(SP), AX // syscall entry - // slide args down on top of system call number - LEAL 8(SP), SI - LEAL 4(SP), DI - CLD - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - INT $0x80 - JAE ok9 - MOVL $-1, 44(SP) // r1 - MOVL $-1, 48(SP) // r2 - MOVL AX, 52(SP) // errno - CALL runtime·exitsyscall(SB) - RET -ok9: - MOVL AX, 44(SP) // r1 - MOVL DX, 48(SP) // r2 - MOVL $0, 52(SP) // errno - CALL runtime·exitsyscall(SB) - RET - -TEXT ·RawSyscall(SB),NOSPLIT,$0-28 - MOVL 4(SP), AX // syscall entry - // slide args down on top of system call number - LEAL 8(SP), SI - LEAL 4(SP), DI - CLD - MOVSL - MOVSL - MOVSL - INT $0x80 - JAE ok1 - MOVL $-1, 20(SP) // r1 - MOVL $-1, 24(SP) // r2 - MOVL AX, 28(SP) // errno - RET -ok1: - MOVL AX, 20(SP) // r1 - MOVL DX, 24(SP) // r2 - MOVL $0, 28(SP) // errno - RET - -TEXT ·RawSyscall6(SB),NOSPLIT,$0-40 - MOVL 4(SP), AX // syscall entry - // slide args down on top of system call number - LEAL 8(SP), SI - LEAL 4(SP), DI - CLD - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - MOVSL - INT $0x80 - JAE ok2 - MOVL $-1, 32(SP) // r1 - MOVL $-1, 36(SP) // r2 - MOVL AX, 40(SP) // errno - RET -ok2: - MOVL AX, 32(SP) // r1 - MOVL DX, 36(SP) // r2 - MOVL $0, 40(SP) // errno - RET |