fc408b620a
This just adds support on ELF systems, which is OK for now since that is all that gccgo works on. For the archive file generated by the compiler we add a new file _buildid.o that has a section .go.buildid containing the build ID. Using a new file lets us set the SHF_EXCLUDE bit in the section header, so the linker will discard the section. It would be nicer to use `objcopy --add-section`, but objcopy doesn't support setting the SHF_EXCLUDE bit. For an executable we just use an ordinary GNU build ID. Doing this required modifying cmd/internal/buildid to look for a GNU build ID, and use it if there is no other Go-specific note. This CL fixes a minor bug in gccgoTOolchain.link: it was using .Target instead of .built, so it failed for a cached file. This CL fixes a bug reading note segments: the notes are aligned as reported by the PT_NOTE's alignment field. Updates #22472 Change-Id: I4d9e9978ef060bafc5b9574d9af16d97c13f3102 Reviewed-on: https://go-review.googlesource.com/85555 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@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.
Gopher image by Renee French, licensed under Creative Commons 3.0 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://golang.org/dl/.
After downloading a binary release, visit https://golang.org/doc/install or load doc/install.html in your web browser for installation instructions.
Install From Source
If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source or load doc/install-source.html in your web browser for source installation instructions.
Contributing
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
Note that the Go project does not use GitHub pull requests, and that we use the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.