mirror of
https://github.com/golang/go
synced 2024-10-04 12:21:26 -06:00
7ad60b7283
for GOOS in darwin freebsd linux nacl netbsd openbsd plan9 solaris windows
do
for GOARCH in 386 amd64 amd64p32 arm
do
go vet
done
done
These are all real mistakes being corrected, but none
of them should be able to cause problems today
due to the NOSPLIT on the functions.
However, vet has also identified a few important problems.
I'm sending this CL to get rid of the trivial 'go vet' results
before attacking the real ones.
LGTM=r
R=golang-codereviews, r, bradfitz
CC=golang-codereviews
https://golang.org/cl/95460046
143 lines
2.7 KiB
ArmAsm
143 lines
2.7 KiB
ArmAsm
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// TODO(rsc): Rewrite all nn(SP) references into name+(nn-8)(FP)
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// so that go vet can check that they are correct.
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#include "../../cmd/ld/textflag.h"
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//
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// System call support for 386, NetBSD
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//
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// func Syscall(trap int32, a1, a2, a3 int32) (r1, r2, err int32);
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// func Syscall6(trap int32, a1, a2, a3, a4, a5, a6 int32) (r1, r2, err int32);
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// Trap # in AX, args on stack above caller pc.
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TEXT ·Syscall(SB),NOSPLIT,$0-28
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CALL runtime·entersyscall(SB)
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MOVL 4(SP), AX // syscall entry
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// slide args down on top of system call number
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LEAL 8(SP), SI
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LEAL 4(SP), DI
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CLD
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MOVSL
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MOVSL
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MOVSL
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INT $0x80
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JAE ok
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MOVL $-1, 20(SP) // r1
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MOVL $-1, 24(SP) // r2
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MOVL AX, 28(SP) // errno
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CALL runtime·exitsyscall(SB)
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RET
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ok:
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MOVL AX, 20(SP) // r1
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MOVL DX, 24(SP) // r2
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MOVL $0, 28(SP) // errno
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CALL runtime·exitsyscall(SB)
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RET
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TEXT ·Syscall6(SB),NOSPLIT,$0-40
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CALL runtime·entersyscall(SB)
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MOVL 4(SP), AX // syscall entry
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// slide args down on top of system call number
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LEAL 8(SP), SI
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LEAL 4(SP), DI
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CLD
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MOVSL
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MOVSL
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MOVSL
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MOVSL
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MOVSL
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MOVSL
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INT $0x80
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JAE ok6
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MOVL $-1, 32(SP) // r1
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MOVL $-1, 36(SP) // r2
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MOVL AX, 40(SP) // errno
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CALL runtime·exitsyscall(SB)
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RET
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ok6:
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MOVL AX, 32(SP) // r1
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MOVL DX, 36(SP) // r2
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MOVL $0, 40(SP) // errno
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CALL runtime·exitsyscall(SB)
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RET
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TEXT ·Syscall9(SB),NOSPLIT,$0-52
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CALL runtime·entersyscall(SB)
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MOVL 4(SP), AX // syscall entry
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// slide args down on top of system call number
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LEAL 8(SP), SI
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LEAL 4(SP), DI
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CLD
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MOVSL
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MOVSL
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MOVSL
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MOVSL
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MOVSL
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MOVSL
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MOVSL
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MOVSL
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MOVSL
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INT $0x80
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JAE ok9
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MOVL $-1, 44(SP) // r1
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MOVL $-1, 48(SP) // r2
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MOVL AX, 52(SP) // errno
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CALL runtime·exitsyscall(SB)
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RET
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ok9:
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MOVL AX, 44(SP) // r1
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MOVL DX, 48(SP) // r2
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MOVL $0, 52(SP) // errno
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CALL runtime·exitsyscall(SB)
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RET
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TEXT ·RawSyscall(SB),NOSPLIT,$0-28
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MOVL 4(SP), AX // syscall entry
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// slide args down on top of system call number
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LEAL 8(SP), SI
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LEAL 4(SP), DI
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CLD
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MOVSL
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MOVSL
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MOVSL
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INT $0x80
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JAE ok1
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MOVL $-1, 20(SP) // r1
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MOVL $-1, 24(SP) // r2
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MOVL AX, 28(SP) // errno
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RET
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ok1:
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MOVL AX, 20(SP) // r1
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MOVL DX, 24(SP) // r2
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MOVL $0, 28(SP) // errno
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RET
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TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
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MOVL 4(SP), AX // syscall entry
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// slide args down on top of system call number
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LEAL 8(SP), SI
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LEAL 4(SP), DI
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CLD
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MOVSL
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MOVSL
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MOVSL
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MOVSL
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MOVSL
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MOVSL
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INT $0x80
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JAE ok2
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MOVL $-1, 32(SP) // r1
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MOVL $-1, 36(SP) // r2
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MOVL AX, 40(SP) // errno
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RET
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ok2:
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MOVL AX, 32(SP) // r1
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MOVL DX, 36(SP) // r2
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MOVL $0, 40(SP) // errno
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RET
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