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Commit a5464af5 authored by Josh Bleecher Snyder's avatar Josh Bleecher Snyder
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syscall: split out unix Syscall9 asm support 

This is preliminary work to unifying them.
Aside from Syscall9, all are identical.
Syscall9 has a netbsd/openbsd variant
and a dragonfly/freebsd variant.

Updates #11041

Change-Id: Ia5ce95d5e9115d4c0492d5e53aa7a4316deafd1f
Reviewed-on: https://go-review.googlesource.com/25115
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: default avatarBrad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
parent 33f95ec4
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Showing with 186 additions and 134 deletions
src/syscall/asm9_dragonfly_amd64.s 0 → 100644
View file @ a5464af5
// Copyright 2016 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"
//
// Syscall9 support for AMD64, DragonFly
//
// func Syscall9(trap int64, a1, a2, a3, a4, a5, a6, a7, a8, a9 int64) (r1, r2, err int64);
TEXT ·Syscall9(SB),NOSPLIT,$0-104
CALL runtime·entersyscall(SB)
MOVQ 8(SP), AX // syscall entry
MOVQ 16(SP), DI
MOVQ 24(SP), SI
MOVQ 32(SP), DX
MOVQ 40(SP), R10
MOVQ 48(SP), R8
MOVQ 56(SP), R9
// shift around the last three arguments so they're at the
// top of the stack when the syscall is called.
MOVQ 64(SP), R11 // arg 7
MOVQ R11, 8(SP)
MOVQ 72(SP), R11 // arg 8
MOVQ R11, 16(SP)
MOVQ 80(SP), R11 // arg 9
MOVQ R11, 24(SP)
SYSCALL
JCC ok9
MOVQ $-1, 88(SP) // r1
MOVQ $0, 96(SP) // r2
MOVQ AX, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
ok9:
MOVQ AX, 88(SP) // r1
MOVQ DX, 96(SP) // r2
MOVQ $0, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
src/syscall/asm9_freebsd_amd64.s 0 → 100644
View file @ a5464af5
// Copyright 2016 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"
//
// Syscall9 support for AMD64, FreeBSD
//
// func Syscall9(trap int64, a1, a2, a3, a4, a5, a6, a7, a8, a9 int64) (r1, r2, err int64);
TEXT ·Syscall9(SB),NOSPLIT,$0-104
CALL runtime·entersyscall(SB)
MOVQ 8(SP), AX // syscall entry
MOVQ 16(SP), DI
MOVQ 24(SP), SI
MOVQ 32(SP), DX
MOVQ 40(SP), R10
MOVQ 48(SP), R8
MOVQ 56(SP), R9
// shift around the last three arguments so they're at the
// top of the stack when the syscall is called.
MOVQ 64(SP), R11 // arg 7
MOVQ R11, 8(SP)
MOVQ 72(SP), R11 // arg 8
MOVQ R11, 16(SP)
MOVQ 80(SP), R11 // arg 9
MOVQ R11, 24(SP)
SYSCALL
JCC ok9
MOVQ $-1, 88(SP) // r1
MOVQ $0, 96(SP) // r2
MOVQ AX, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
ok9:
MOVQ AX, 88(SP) // r1
MOVQ DX, 96(SP) // r2
MOVQ $0, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
src/syscall/asm9_netbsd_amd64.s 0 → 100644
View file @ a5464af5
// Copyright 2016 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"
//
// Syscall9 support for AMD64, NetBSD
//
// func Syscall9(trap int64, a1, a2, a3, a4, a5, a6, a7, a8, a9 int64) (r1, r2, err int64);
TEXT ·Syscall9(SB),NOSPLIT,$0-104
CALL runtime·entersyscall(SB)
MOVQ 8(SP), AX // syscall entry
MOVQ 16(SP), DI
MOVQ 24(SP), SI
MOVQ 32(SP), DX
MOVQ 40(SP), R10
MOVQ 48(SP), R8
MOVQ 56(SP), R9
MOVQ 64(SP), R11
MOVQ 72(SP), R12
MOVQ 80(SP), R13
SUBQ $32, SP
MOVQ R11, 8(SP) // arg 7
MOVQ R12, 16(SP) // arg 8
MOVQ R13, 24(SP) // arg 9
SYSCALL
JCC ok9
ADDQ $32, SP
MOVQ $-1, 88(SP) // r1
MOVQ $0, 96(SP) // r2
MOVQ AX, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
ok9:
ADDQ $32, SP
MOVQ AX, 88(SP) // r1
MOVQ DX, 96(SP) // r2
MOVQ $0, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
src/syscall/asm9_openbsd_amd64.s 0 → 100644
View file @ a5464af5
// Copyright 2016 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"
//
// Syscall9 support for AMD64, OpenBSD
//
// func Syscall9(trap int64, a1, a2, a3, a4, a5, a6, a7, a8, a9 int64) (r1, r2, err int64);
TEXT ·Syscall9(SB),NOSPLIT,$0-104
CALL runtime·entersyscall(SB)
MOVQ 8(SP), AX // syscall entry
MOVQ 16(SP), DI
MOVQ 24(SP), SI
MOVQ 32(SP), DX
MOVQ 40(SP), R10
MOVQ 48(SP), R8
MOVQ 56(SP), R9
MOVQ 64(SP), R11
MOVQ 72(SP), R12
MOVQ 80(SP), R13
SUBQ $32, SP
MOVQ R11, 8(SP) // arg 7
MOVQ R12, 16(SP) // arg 8
MOVQ R13, 24(SP) // arg 9
SYSCALL
JCC ok9
ADDQ $32, SP
MOVQ $-1, 88(SP) // r1
MOVQ $0, 96(SP) // r2
MOVQ AX, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
ok9:
ADDQ $32, SP
MOVQ AX, 88(SP) // r1
MOVQ DX, 96(SP) // r2
MOVQ $0, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
src/syscall/asm_dragonfly_amd64.s
View file @ a5464af5
......@@ -14,7 +14,6 @@
// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64);
// func Syscall6(trap int64, a1, a2, a3, a4, a5, a6 int64) (r1, r2, err int64);
// 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,$0-56
......@@ -63,39 +62,6 @@ ok6:
CALL runtime·exitsyscall(SB)
RET
TEXT ·Syscall9(SB),NOSPLIT,$0-104
CALL runtime·entersyscall(SB)
MOVQ 8(SP), AX // syscall entry
MOVQ 16(SP), DI
MOVQ 24(SP), SI
MOVQ 32(SP), DX
MOVQ 40(SP), R10
MOVQ 48(SP), R8
MOVQ 56(SP), R9
// shift around the last three arguments so they're at the
// top of the stack when the syscall is called.
MOVQ 64(SP), R11 // arg 7
MOVQ R11, 8(SP)
MOVQ 72(SP), R11 // arg 8
MOVQ R11, 16(SP)
MOVQ 80(SP), R11 // arg 9
MOVQ R11, 24(SP)
SYSCALL
JCC ok9
MOVQ $-1, 88(SP) // r1
MOVQ $0, 96(SP) // r2
MOVQ AX, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
ok9:
MOVQ AX, 88(SP) // r1
MOVQ DX, 96(SP) // r2
MOVQ $0, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
MOVQ 16(SP), DI
MOVQ 24(SP), SI
......
src/syscall/asm_freebsd_amd64.s
View file @ a5464af5
......@@ -14,7 +14,6 @@
// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64);
// func Syscall6(trap int64, a1, a2, a3, a4, a5, a6 int64) (r1, r2, err int64);
// 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,$0-56
......@@ -63,39 +62,6 @@ ok6:
CALL runtime·exitsyscall(SB)
RET
TEXT ·Syscall9(SB),NOSPLIT,$0-104
CALL runtime·entersyscall(SB)
MOVQ 8(SP), AX // syscall entry
MOVQ 16(SP), DI
MOVQ 24(SP), SI
MOVQ 32(SP), DX
MOVQ 40(SP), R10
MOVQ 48(SP), R8
MOVQ 56(SP), R9
// shift around the last three arguments so they're at the
// top of the stack when the syscall is called.
MOVQ 64(SP), R11 // arg 7
MOVQ R11, 8(SP)
MOVQ 72(SP), R11 // arg 8
MOVQ R11, 16(SP)
MOVQ 80(SP), R11 // arg 9
MOVQ R11, 24(SP)
SYSCALL
JCC ok9
MOVQ $-1, 88(SP) // r1
MOVQ $0, 96(SP) // r2
MOVQ AX, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
ok9:
MOVQ AX, 88(SP) // r1
MOVQ DX, 96(SP) // r2
MOVQ $0, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
MOVQ 16(SP), DI
MOVQ 24(SP), SI
......
src/syscall/asm_netbsd_amd64.s
View file @ a5464af5
......@@ -14,7 +14,6 @@
// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64);
// func Syscall6(trap int64, a1, a2, a3, a4, a5, a6 int64) (r1, r2, err int64);
// 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,$0-56
......@@ -63,38 +62,6 @@ ok6:
CALL runtime·exitsyscall(SB)
RET
TEXT ·Syscall9(SB),NOSPLIT,$0-104
CALL runtime·entersyscall(SB)
MOVQ 8(SP), AX // syscall entry
MOVQ 16(SP), DI
MOVQ 24(SP), SI
MOVQ 32(SP), DX
MOVQ 40(SP), R10
MOVQ 48(SP), R8
MOVQ 56(SP), R9
MOVQ 64(SP), R11
MOVQ 72(SP), R12
MOVQ 80(SP), R13
SUBQ $32, SP
MOVQ R11, 8(SP) // arg 7
MOVQ R12, 16(SP) // arg 8
MOVQ R13, 24(SP) // arg 9
SYSCALL
JCC ok9
ADDQ $32, SP
MOVQ $-1, 88(SP) // r1
MOVQ $0, 96(SP) // r2
MOVQ AX, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
ok9:
ADDQ $32, SP
MOVQ AX, 88(SP) // r1
MOVQ DX, 96(SP) // r2
MOVQ $0, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
MOVQ 16(SP), DI
MOVQ 24(SP), SI
......
src/syscall/asm_openbsd_amd64.s
View file @ a5464af5
......@@ -14,7 +14,6 @@
// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64);
// func Syscall6(trap int64, a1, a2, a3, a4, a5, a6 int64) (r1, r2, err int64);
// 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,$0-56
......@@ -63,38 +62,6 @@ ok6:
CALL runtime·exitsyscall(SB)
RET
TEXT ·Syscall9(SB),NOSPLIT,$0-104
CALL runtime·entersyscall(SB)
MOVQ 8(SP), AX // syscall entry
MOVQ 16(SP), DI
MOVQ 24(SP), SI
MOVQ 32(SP), DX
MOVQ 40(SP), R10
MOVQ 48(SP), R8
MOVQ 56(SP), R9
MOVQ 64(SP), R11
MOVQ 72(SP), R12
MOVQ 80(SP), R13
SUBQ $32, SP
MOVQ R11, 8(SP) // arg 7
MOVQ R12, 16(SP) // arg 8
MOVQ R13, 24(SP) // arg 9
SYSCALL
JCC ok9
ADDQ $32, SP
MOVQ $-1, 88(SP) // r1
MOVQ $0, 96(SP) // r2
MOVQ AX, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
ok9:
ADDQ $32, SP
MOVQ AX, 88(SP) // r1
MOVQ DX, 96(SP) // r2
MOVQ $0, 104(SP) // errno
CALL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
MOVQ 16(SP), DI
MOVQ 24(SP), SI
......
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