commit | 82f9c6cac1bcc6bc80f17d1415ac3f62c0afa6c5 | [log] [tgz] |
---|---|---|
author | Quim Muntal <quimmuntal@gmail.com> | Thu Oct 22 22:32:20 2020 +0200 |
committer | Dmitri Shuralyov <dmitshur@golang.org> | Wed Mar 31 21:39:47 2021 +0000 |
tree | 085a8f22ae2d11d1feb6c5c495b41786fccbaa1d | |
parent | 5055314a5749664ab66a24beed8158552e276959 [diff] |
[release-branch.go1.15] cmd/link: avoid exporting all symbols on windows buildmode=pie Marking one functions with __declspec(dllexport) forces mingw to create .reloc section without having to export all symbols. See https://insights.sei.cmu.edu/cert/2018/08/when-aslr-is-not-really-aslr---the-case-of-incorrect-assumptions-and-bad-defaults.html for more info. This change cuts 73kb of a "hello world" pie binary. Updates #6853. Updates #40795. Fixes #43592. Change-Id: I3cc57c3b64f61187550bc8751dfa085f106c8475 Reviewed-on: https://go-review.googlesource.com/c/go/+/264459 Trust: Alex Brainman <alex.brainman@gmail.com> Run-TryBot: Alex Brainman <alex.brainman@gmail.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Alex Brainman <alex.brainman@gmail.com> Reviewed-by: Austin Clements <austin@google.com> Reviewed-on: https://go-review.googlesource.com/c/go/+/300692 Trust: Dmitri Shuralyov <dmitshur@golang.org> Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org> Reviewed-by: David Chase <drchase@google.com>
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