bbd2127909
R13 is the C TLS pointer. Once we're calling to and from C code, if we clobber R13 in our code, sigtramp won't know whether to get the current g from REGG or from C TLS. The simplest solution is for Go code to preserve the C TLS pointer. This is equivalent to what other platforms do, except that on other platforms the TLS pointer is in a special register. Change-Id: I076e9cb83fd78843eb68cb07c748c4705c9a4c82 Reviewed-on: https://go-review.googlesource.com/2007 Reviewed-by: Minux Ma <minux@golang.org> Reviewed-by: Russ Cox <rsc@golang.org> |
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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.
For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.
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.)
Please report issues here: https://golang.org/issue/new
Go is the work of hundreds of contributors. We appreciate your help!
To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html
Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.
--
Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See https://golang.org/doc/install or doc/install.html for more details.