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Fangrui Song 59d3fbc227 [ELF] Suggest extern "C" when the definition is mangled while an undefined reference is not 
The definition may be mangled while an undefined reference is not.
This may come up when (1) the reference is from a C file or (2) the definition
misses an extern "C".

(2) is more common. Suggest an arbitrary mangled name that matches the
undefined reference, if such a definition exists.

  ld.lld: error: undefined symbol: foo
  >>> referenced by a.o:(.text+0x1)
  >>> did you mean to declare foo(int) as extern "C"?
  >>> defined in: a1.o

Reviewed By: dblaikie, ruiu

Differential Revision: https://reviews.llvm.org/D69650
 		2019-11-08 09:46:45 -08:00
..
COFF Warn when an output section name is longer than 8 characters 2019-11-01 12:59:13 -07:00
Common [LLD] Move duplicated dwarf parsing code to the Common library. NFC. 2019-10-21 08:01:52 +00:00
ELF [ELF] Suggest extern "C" when the definition is mangled while an undefined reference is not 2019-11-08 09:46:45 -08:00
MinGW Use error instead of fatal to report usage errors 2019-10-10 09:46:41 +00:00
cmake/modules
…
docs [lld] [ELF] Add '-z nognustack' opt to suppress emitting PT_GNU_STACK 2019-10-29 17:54:23 +01:00
include/lld typo fix test commit 2019-10-22 21:32:11 +00:00
lib Move endian constant from Host.h to SwapByteOrder.h, prune include 2019-10-19 00:48:11 +00:00
test [ELF] Suggest extern "C" when the definition is mangled while an undefined reference is not 2019-11-08 09:46:45 -08:00
tools/lld Move endian constant from Host.h to SwapByteOrder.h, prune include 2019-10-19 00:48:11 +00:00
unittests Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
utils Python 2/3 compatibility 2019-03-20 07:42:13 +00:00
wasm [WebAssembly][lld] Fix for static linking of PIC code 2019-10-29 18:58:56 -07:00
.arcconfig
…
.clang-format
…
.gitignore
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CMakeLists.txt [CMake] Don't set Python_ADDITIONAL_VERSIONS 2019-07-18 15:17:42 +00:00
CODE_OWNERS.TXT
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LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
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.