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This: 1) Defines the ABI hash of a package (as the SHA1 of the __.PKGDEF) 2) Defines the ABI hash of a shared library (sort the packages by import path, concatenate the hashes of the packages and SHA1 that) 3) When building a shared library, compute the above value and define a global symbol that points to a go string that has the hash as its value. 4) When linking against a shared library, read the abi hash from the library and put both the value seen at link time and a reference to the global symbol into the moduledata. 5) During runtime initialization, check that the hash seen at link time still matches the hash the global symbol points to. Change-Id: Iaa54c783790e6dde3057a2feadc35473d49614a5 Reviewed-on: https://go-review.googlesource.com/8773 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com> |
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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
Please note that we do not use pull requests.
Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.
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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.