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llvm/tools/gold
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Rafael Espindola 4f81768d44 Use LTO_CODEGEN_PIC_MODEL_DYNAMIC for PIE. This requirest a git version of 
gold to work. Since the enum value LDPO_PIE has just been added to plugin-api.h,
use a numeric constant for now so that we don't require an unreleased
version of gold to build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158402 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-13 13:30:24 +00:00
..
CMakeLists.txt Use absolute path to exportsfile in gold plugin CMake build. 2011-11-05 04:17:20 +00:00
gold-plugin.cpp Use LTO_CODEGEN_PIC_MODEL_DYNAMIC for PIE. This requirest a git version of 2012-06-13 13:30:24 +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 Point to libLTO with -L/PATH/ -lLTO so that it is found in the install 2011-11-23 03:07:25 +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.