mirror of https://github.com/golang/go.git
syscall: unify unix 386 implementations
They were identical. This will allow us to do the TODO at the top of the file only once. Updates #11041 Change-Id: I07aaca27ae46b66b65780082988bdc7546ed534b Reviewed-on: https://go-review.googlesource.com/25112 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Josh Bleecher Snyder
parent
1e94d79f9d
commit
b173298c89
|
|
@ -1,143 +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"
|
||||
#include "funcdata.h"
|
||||
|
||||
//
|
||||
// System call support for 386, NetBSD
|
||||
//
|
||||
|
||||
// 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
|
||||
|
|
@ -1,143 +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"
|
||||
#include "funcdata.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
|
||||
|
|
@ -1,3 +1,5 @@
|
|||
// +build netbsd freebsd openbsd
|
||||
|
||||
// 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.
|
||||
|
|
@ -9,7 +11,7 @@
|
|||
#include "funcdata.h"
|
||||
|
||||
//
|
||||
// System call support for 386, FreeBSD
|
||||
// System call support for some 386 unixes
|
||||
//
|
||||
|
||||
// func Syscall(trap int32, a1, a2, a3 int32) (r1, r2, err int32);
|
||||
Loading…
Reference in New Issue