| commit | 6cda2e3a31898f04f230a9ec85696f2bf4bde5eb | [log] [tgz] |
|---|---|---|
| author | Peter Wu <peter@lekensteyn.nl> | Wed Jan 16 23:28:51 2019 +0000 |
| committer | Peter Wu <peter@lekensteyn.nl> | Wed Jan 16 23:28:51 2019 +0000 |
| tree | 37ad82315ff6adbdfeb4305b5b9c15a1fb2d9595 | |
| parent | b9afc8bb1bc263bc73929fa5018e483507e5359f [diff] |
[ELF][X86_64] Fix corrupted LD -> LE optimization for TLS without PLT The LD -> LE optimization for Thread-Local Storage without PLT requires an additional "66" prefix, otherwise the next instruction will be corrupted, causing runtime misbehavior (crashes) of the linked object. The other (GD -> IE/LD) optimizations are the same with or without PLT, but add tests for completeness. The instructions are copied from https://raw.githubusercontent.com/wiki/hjl-tools/x86-psABI/x86-64-psABI-1.0.pdf#subsection.11.1.2 This does not try to address ILP32 (x32) support. Fixes https://bugs.llvm.org/show_bug.cgi?id=37303 Reviewed By: ruiu Differential Revision: https://reviews.llvm.org/D56779 git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@351396 91177308-0d34-0410-b5e6-96231b3b80d8
This directory and its subdirectories contain source code for the LLVM Linker, a modular cross platform linker which is built as part of the LLVM compiler infrastructure project.
lld is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt.
In order to make sure various developers can evaluate patches over the same tests, we create a collection of self contained programs.
It is hosted at https://s3-us-west-2.amazonaws.com/linker-tests/lld-speed-test.tar.xz
The current sha256 is 10eec685463d5a8bbf08d77f4ca96282161d396c65bd97dc99dbde644a31610f.