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| author | Xiaodong Liu <liuxiaodong@loongson.cn> | 2022-05-19 20:01:10 +0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2022-05-19 19:32:35 +0000 |
| commit | 8542bd8938efc8bb1bc681f4a0603c9f392e70b0 (patch) | |
| tree | 8ace04d227b36ddf8e9d4b9ee10f43eea96ff9b1 /src | |
| parent | 00847065287a11353c66b4144f5692848c7e837e (diff) | |
| download | go-8542bd8938efc8bb1bc681f4a0603c9f392e70b0.tar.xz | |
runtime: support vdso for linux/loong64
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>
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/os_linux_novdso.go | 2 | ||||
| -rw-r--r-- | src/runtime/vdso_elf64.go | 2 | ||||
| -rw-r--r-- | src/runtime/vdso_in_none.go | 2 | ||||
| -rw-r--r-- | src/runtime/vdso_linux.go | 2 | ||||
| -rw-r--r-- | src/runtime/vdso_linux_loong64.go | 27 |
5 files changed, 31 insertions, 4 deletions
diff --git a/src/runtime/os_linux_novdso.go b/src/runtime/os_linux_novdso.go index 1882b90c5e..d7e1ea0692 100644 --- a/src/runtime/os_linux_novdso.go +++ b/src/runtime/os_linux_novdso.go @@ -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 diff --git a/src/runtime/vdso_elf64.go b/src/runtime/vdso_elf64.go index b50e58f333..d41d25e770 100644 --- a/src/runtime/vdso_elf64.go +++ b/src/runtime/vdso_elf64.go @@ -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 diff --git a/src/runtime/vdso_in_none.go b/src/runtime/vdso_in_none.go index a11ecb00ef..3a6ee6f049 100644 --- a/src/runtime/vdso_in_none.go +++ b/src/runtime/vdso_in_none.go @@ -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 diff --git a/src/runtime/vdso_linux.go b/src/runtime/vdso_linux.go index 36b9f426c1..4523615711 100644 --- a/src/runtime/vdso_linux.go +++ b/src/runtime/vdso_linux.go @@ -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 diff --git a/src/runtime/vdso_linux_loong64.go b/src/runtime/vdso_linux_loong64.go new file mode 100644 index 0000000000..ccf4d95fa2 --- /dev/null +++ b/src/runtime/vdso_linux_loong64.go @@ -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 +) |