llvm-mirror

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History

Nick Lewycky f3995084c9 Don't try to dereference syms[0] on an empty vector. Reported by Todd Jackson and Jeffrey Bosboom! llvm-svn: 136066		2011-07-26 08:40:36 +00:00
..
CMakeLists.txt	CMake builds gold by default since revision 127466. This is	2011-05-12 11:26:21 +00:00
gold-plugin.cpp	Don't try to dereference syms[0] on an empty vector. Reported by Todd Jackson	2011-07-26 08:40:36 +00:00
gold.exports	Create an exports file, so that the plugin only exports the onload symbol.	2010-04-16 00:43:25 +00:00
Makefile	Also remove -lLTO which should have been in r132349. I failed to apply this	2011-05-31 20:00:45 +00:00
README.txt	s/libLLVMgold/LLVMgold/g	2010-08-08 21:14:26 +00:00

README.txt

This directory contains a plugin that is designed to work with binutils
gold linker. At present time, this is not the default linker in
binutils, and the default build of gold does not support plugins.

Obtaining binutils:

  cvs -z 9 -d :pserver:anoncvs@sourceware.org:/cvs/src login
  {enter "anoncvs" as the password}
  cvs -z 9 -d :pserver:anoncvs@sourceware.org:/cvs/src co binutils

This will create a src/ directory. Make a build/ directory and from
there configure binutils with "../src/configure --enable-gold --enable-plugins".
Then build binutils with "make all-gold".

To build the LLVMgold plugin, configure LLVM with the option
--with-binutils-include=/path/to/binutils/src/include/ --enable-pic. To use the
plugin, run "ld-new --plugin /path/to/LLVMgold.so".
Without PIC libLTO and LLVMgold are not being built (because they would fail
link on x86-64 with a relocation error: PIC and non-PIC can't be combined).
As an alternative to passing --enable-pic, you can use 'make ENABLE_PIC=1' in
your entire LLVM build.