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Cherry Mui ddaf68200a cmd/internal/objfile: read file/line information for ELF PIE binaries 
For PIE binaries, the .gopclntab section doesn't have the usual
name, but .data.rel.ro.gopclntab. Try the relro version as well.
If both failed (e.g. for externally linked PIE binaries), try
runtime.pclntab symbol.

This should make cmd/objdump able to print the file/line
information for PIE binaries.

I attempted to do this a few years ago, but that wasn't enough,
because the pclntab itself contains dynamic relocations which are
not applied by the tool. As of Go 1.18 the pclntab is mostly
position independent and does not contain dynamic relocations, so
this should be possible now.

Fixes #17883.
Updates #46639.

Change-Id: I85dc3d50ffcc1a4b187a349479a6a162de1ab2b5
Reviewed-on: https://go-review.googlesource.com/c/go/+/227483
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Joel Sing <joel@sing.id.au>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-09-22 23:46:28 +00:00
.github .github: update issue label for pkgsite-removal 2022-09-07 16:00:20 +00:00
api time: implement Compare method 2022-09-19 17:10:49 +00:00
doc spec: describe an edge case for slice expression of nil slice 2022-09-21 14:06:17 +00:00
lib/time lib/time, time/tzdata: update to 2022b 2022-08-11 20:03:19 +00:00
misc cmd/go: omit VCS stamping during bootstrap 2022-09-22 18:55:06 +00:00
src cmd/internal/objfile: read file/line information for ELF PIE binaries 2022-09-22 23:46:28 +00:00
test cmd/compile: Add some CMP and CMN optimization rules on arm64 2022-09-20 01:14:40 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
LICENSE
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README.md README.md: update wiki link 2022-04-26 16:21:18 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00

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 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://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.