languages/go
languages/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-11-02 13:42:29 +00:00
Code Issues Projects Releases Packages Wiki Activity

runtime: support vdso for linux/loong64

Browse source 
Contributors to the loong64 port are:
  Weining Lu <luweining@loongson.cn>
  Lei Wang <wanglei@loongson.cn>
  Lingqin Gong <gonglingqin@loongson.cn>
  Xiaolin Zhao <zhaoxiaolin@loongson.cn>
  Meidan Li <limeidan@loongson.cn>
  Xiaojuan Zhai <zhaixiaojuan@loongson.cn>
  Qiyuan Pu <puqiyuan@loongson.cn>
  Guoqi Chen <chenguoqi@loongson.cn>

This port has been updated to Go 1.15.6:
  https://github.com/loongson/go

Updates #46229

Change-Id: Ie9bb5ccfc28e65036e2088c232bb333dcb259a60
Reviewed-on: https://go-review.googlesource.com/c/go/+/368076
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Xiaodong Liu 2022-05-19 20:01:10 +08:00 committed by Gopher Robot
parent 0084706528
commit 8542bd8938
5 changed files with 31 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/runtime/os_linux_novdso.go
View file

@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build linux && !386 && !amd64 && !arm && !arm64 && !mips64 && !mips64le && !ppc64 && !ppc64le && !riscv64 && !s390x
//go:build linux && !386 && !amd64 && !arm && !arm64 && !loong64 && !mips64 && !mips64le && !ppc64 && !ppc64le && !riscv64 && !s390x
package runtime

2
src/runtime/vdso_elf64.go
View file

@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build linux && (amd64 || arm64 || mips64 || mips64le || ppc64 || ppc64le || riscv64 || s390x)
//go:build linux && (amd64 || arm64 || loong64 || mips64 || mips64le || ppc64 || ppc64le || riscv64 || s390x)
package runtime

2
src/runtime/vdso_in_none.go
View file

@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build (linux && !386 && !amd64 && !arm && !arm64 && !mips64 && !mips64le && !ppc64 && !ppc64le && !riscv64 && !s390x) || !linux
//go:build (linux && !386 && !amd64 && !arm && !arm64 && !loong64 && !mips64 && !mips64le && !ppc64 && !ppc64le && !riscv64 && !s390x) || !linux
package runtime

2
src/runtime/vdso_linux.go
View file

@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build linux && (386 || amd64 || arm || arm64 || mips64 || mips64le || ppc64 || ppc64le || riscv64 || s390x)
//go:build linux && (386 || amd64 || arm || arm64 || loong64 || mips64 || mips64le || ppc64 || ppc64le || riscv64 || s390x)
package runtime

27
src/runtime/vdso_linux_loong64.go Normal file
View file

@ -0,0 +1,27 @@
// Copyright 2022 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.
//go:build linux && loong64
package runtime
const (
// vdsoArrayMax is the byte-size of a maximally sized array on this architecture.
// See cmd/compile/internal/loong64/galign.go arch.MAXWIDTH initialization.
vdsoArrayMax = 1<<50 - 1
)
// see man 7 vdso : loong64
var vdsoLinuxVersion = vdsoVersionKey{"LINUX_2.6", 0x3ae75f6}
// The symbol name is not __kernel_clock_gettime as suggested by the manpage;
// according to Linux source code it should be __vdso_clock_gettime instead.
var vdsoSymbolKeys = []vdsoSymbolKey{
{"__vdso_clock_gettime", 0xd35ec75, 0x6e43a318, &vdsoClockgettimeSym},
}
// initialize to fall back to syscall
var (
vdsoClockgettimeSym uintptr = 0
)