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freebsd-src/contrib/llvm-project/lld
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Dimitry Andric 2418469b60 Merge commit 8df4e6094 from llvm git (by Fangrui Song): 
[ELF] Don't consider SHF_ALLOC ".debug*" sections debug sections

  Fixes PR48071

  * The Rust compiler produces SHF_ALLOC `.debug_gdb_scripts` (which
    normally does not have the flag)
  * `.debug_gdb_scripts` sections are removed from `inputSections` due
    to --strip-debug/--strip-all
  * When processing --gc-sections, pieces of a SHF_MERGE section can be
    marked live separately

  `=>` segfault when marking liveness of a `.debug_gdb_scripts` which
  is not split into pieces (because it is not in `inputSections`)

  This patch circumvents the problem by not treating SHF_ALLOC
  ".debug*" as debug sections (to prevent --strip-debug's stripping)
  (which is still useful on its own).

  Reviewed By: grimar

  Differential Revision: https://reviews.llvm.org/D91291

This should fix lld segfaulting when linking the rust-based parts of the
devel/py-maturin port.

Reported by:	Nick Venenga <nijave@gmail.com>
PR:		250783
MFC after:	3 days
2020-11-12 19:25:31 +00:00
..
COFF Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp 2020-09-16 16:58:29 +00:00
Common
docs Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp 2020-10-01 19:06:07 +00:00
ELF Merge commit 8df4e6094 from llvm git (by Fangrui Song): 2020-11-12 19:25:31 +00:00
include/lld
lib
MachO
tools/lld Reapply r327026 (partially): 2020-08-02 18:34:29 +00:00
.clang-format
.clang-tidy
.gitignore
CODE_OWNERS.TXT
LICENSE.TXT
README.md

README.md

LLVM Linker (lld)

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.

Benchmarking

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.