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syscall: fix dragonfly/amd64 assembly argument sizes 

This is preliminary work to unifying the
unix amd64 assembly implementations,
which is preliminary work to making the
assembly vet-friendly.

Updates #11041

Change-Id: Ic64985124f8fb86cc08898be2ec7fca972ced4ca
Reviewed-on: https://go-review.googlesource.com/25113
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 2016-07-21 08:37:45 -07:00
parent b173298c89
commit 856342d844
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/syscall/asm_dragonfly_amd64.s
View File

@ -2,6 +2,9 @@
// 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"
@ -14,7 +17,7 @@
// func Syscall9(trap int64, a1, a2, a3, a4, a5, a6, a7, a8, a9 int64) (r1, r2, err int64)
// Trap # in AX, args in DI SI DX, return in AX DX
TEXT ·Syscall(SB),NOSPLIT,$0-64
TEXT ·Syscall(SB),NOSPLIT,$0-56
CALL runtime·entersyscall(SB)
MOVQ 16(SP), DI
MOVQ 24(SP), SI
@ -37,7 +40,7 @@ ok:
CALL runtime·exitsyscall(SB)
RET
TEXT ·Syscall6(SB),NOSPLIT,$0-88
TEXT ·Syscall6(SB),NOSPLIT,$0-80
CALL runtime·entersyscall(SB)
MOVQ 16(SP), DI
MOVQ 24(SP), SI
@ -60,7 +63,7 @@ ok6:
CALL runtime·exitsyscall(SB)
RET
TEXT ·Syscall9(SB),NOSPLIT,$0-112
TEXT ·Syscall9(SB),NOSPLIT,$0-104
CALL runtime·entersyscall(SB)
MOVQ 8(SP), AX
MOVQ 16(SP), DI
@ -93,7 +96,7 @@ ok9:
CALL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-64
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
MOVQ 16(SP), DI
MOVQ 24(SP), SI
MOVQ 32(SP), DX
@ -113,7 +116,7 @@ ok1:
MOVQ $0, 56(SP) // errno
RET
TEXT ·RawSyscall6(SB),NOSPLIT,$0-88
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
MOVQ 16(SP), DI
MOVQ 24(SP), SI
MOVQ 32(SP), DX