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963cf75e1c
The gold plugin was passing the desired map size as the file size. This was working for two reasons: * Recent version of gold provide the get_view callback, so this code was not used. * In older versions, getOpenFile was called, but the file size is never used if we don't require null terminated buffers and map size defaults to the file size. Thanks to Eli Bendersky for noticing this. I will try to make this api a bit less error prone. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186978 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| .. | ||
| CMakeLists.txt | ||
| gold-plugin.cpp | ||
| gold.exports | ||
| Makefile | ||
| 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.