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Guoqi Chen 5fa65d8c93 runtime: save/restore callee-saved registers in loong64's sigtramp 
Loong64's R22-R31 and F24-F31 are callee saved registers, which
should be saved in the beginning of sigtramp, and restored at
the end.

In reviewing comments about sigtramp in sys_linux_arm64 it was
noted that a previous issue in arm64 due to missing callee save
registers could also be a problem on loong64, so code was added
to save and restore those.

Updates #31827

Change-Id: I3ae58fe8a64ddb052d0a89b63e82c01ad328dd15
Reviewed-on: https://go-review.googlesource.com/c/go/+/426356
Reviewed-by: Meidan Li <limeidan@loongson.cn>
Auto-Submit: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: xiaodong liu <teaofmoli@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2023-03-29 02:34:18 +00:00
.github .github: suggest using private browsing in pkgsite template 2023-01-03 18:52:47 +00:00
api log/slog: initial commit 2023-03-21 20:55:33 +00:00
doc runtime: for deep stacks, print both the top 50 and bottom 50 frames 2023-03-21 19:14:14 +00:00
lib/time time/tzdata: generate zip constant during cmd/dist 2023-01-17 22:30:53 +00:00
misc runtime/cgo: store M for C-created thread in pthread key 2023-03-24 16:00:24 +00:00
src runtime: save/restore callee-saved registers in loong64's sigtramp 2023-03-29 02:34:18 +00:00
test go/types, types2: don't report assignment mismatch errors if there are other errors 2023-03-28 22:22:08 +00:00
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README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 4.0 Attributions license.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Download and Install

Binary Distributions

Official binary distributions are available at https://go.dev/dl/.

After downloading a binary release, visit https://go.dev/doc/install for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://go.dev/doc/install/source for source installation instructions.

Contributing

Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines at https://go.dev/doc/contribute.

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://go.dev/wiki/Questions for a list of places to ask questions about the Go language.