mirror of
https://github.com/golang/go
synced 2024-11-18 00:44:47 -07:00
318947c645
Generated from a script using go vet then read by a human. Change-Id: Ie5f7ab3a1075a9c8defbf5f827a8658e3eb55cab Reviewed-on: https://go-review.googlesource.com/2746 Reviewed-by: Ian Lance Taylor <iant@golang.org>
141 lines
2.5 KiB
ArmAsm
141 lines
2.5 KiB
ArmAsm
// 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.
|
|
|
|
#include "textflag.h"
|
|
#include "funcdata.h"
|
|
|
|
//
|
|
// System call support for 386, Darwin
|
|
//
|
|
|
|
// 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 trap+0(FP), AX // syscall entry
|
|
// slide args down on top of system call number
|
|
LEAL a1+4(FP), SI
|
|
LEAL trap+0(FP), DI
|
|
CLD
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
INT $0x80
|
|
JAE ok
|
|
MOVL $-1, r1+16(FP)
|
|
MOVL $-1, r2+20(FP)
|
|
MOVL AX, err+24(FP)
|
|
CALL runtime·exitsyscall(SB)
|
|
RET
|
|
ok:
|
|
MOVL AX, r1+16(FP)
|
|
MOVL DX, r2+20(FP)
|
|
MOVL $0, err+24(FP)
|
|
CALL runtime·exitsyscall(SB)
|
|
RET
|
|
|
|
TEXT ·Syscall6(SB),NOSPLIT,$0-40
|
|
CALL runtime·entersyscall(SB)
|
|
MOVL trap+0(FP), AX // syscall entry
|
|
// slide args down on top of system call number
|
|
LEAL a1+4(FP), SI
|
|
LEAL trap+0(FP), DI
|
|
CLD
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
INT $0x80
|
|
JAE ok6
|
|
MOVL $-1, r1+28(FP)
|
|
MOVL $-1, r2+32(FP)
|
|
MOVL AX, err+36(FP)
|
|
CALL runtime·exitsyscall(SB)
|
|
RET
|
|
ok6:
|
|
MOVL AX, r1+28(FP)
|
|
MOVL DX, r2+32(FP)
|
|
MOVL $0, err+36(FP)
|
|
CALL runtime·exitsyscall(SB)
|
|
RET
|
|
|
|
TEXT ·Syscall9(SB),NOSPLIT,$0-52
|
|
CALL runtime·entersyscall(SB)
|
|
MOVL num+0(FP), AX // syscall entry
|
|
// slide args down on top of system call number
|
|
LEAL a1+4(FP), SI
|
|
LEAL num+0(FP), DI
|
|
CLD
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
INT $0x80
|
|
JAE ok9
|
|
MOVL $-1, r1+40(FP)
|
|
MOVL $-1, r2+44(FP)
|
|
MOVL AX, err+48(FP)
|
|
CALL runtime·exitsyscall(SB)
|
|
RET
|
|
ok9:
|
|
MOVL AX, r1+40(FP)
|
|
MOVL DX, r2+44(FP)
|
|
MOVL $0, err+48(FP)
|
|
CALL runtime·exitsyscall(SB)
|
|
RET
|
|
|
|
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
|
|
MOVL trap+0(FP), AX // syscall entry
|
|
// slide args down on top of system call number
|
|
LEAL a1+4(FP), SI
|
|
LEAL trap+0(FP), DI
|
|
CLD
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
INT $0x80
|
|
JAE ok1
|
|
MOVL $-1, r1+16(FP)
|
|
MOVL $-1, r2+20(FP)
|
|
MOVL AX, err+24(FP)
|
|
RET
|
|
ok1:
|
|
MOVL AX, r1+16(FP)
|
|
MOVL DX, r2+20(FP)
|
|
MOVL $0, err+24(FP)
|
|
RET
|
|
|
|
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
|
|
MOVL trap+0(FP), AX // syscall entry
|
|
// slide args down on top of system call number
|
|
LEAL a1+4(FP), SI
|
|
LEAL trap+0(FP), DI
|
|
CLD
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
MOVSL
|
|
INT $0x80
|
|
JAE ok2
|
|
MOVL $-1, r1+28(FP)
|
|
MOVL $-1, r2+32(FP)
|
|
MOVL AX, err+36(FP)
|
|
RET
|
|
ok2:
|
|
MOVL AX, r1+28(FP)
|
|
MOVL DX, r2+32(FP)
|
|
MOVL $0, err+36(FP)
|
|
RET
|