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190 Commits

Author SHA1 Message Date
Rafael Espindola
fffb72470d libLTO has a bug in that it will keep every symbol if none is needed. We used 
to hack around this in the gold plugin by deleting a module if no symbol was
needed. Unfortunately, the hack is wrong in the case of o module having no
visible symbols but still having side effects via static constructors.

The bug will have to be fixed in libLTO itself.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166745 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-26 00:29:57 +00:00
Rafael Espindola
a16c2e3493 Pass -lLTO after gold-plugin.o so that it gets used in systems that default to 
--as-needed.
Patch by Felix Geyer. Fixes pr13262.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162652 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-27 03:03:07 +00:00
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
Dylan Noblesmith
9421406aad drop unneeded config.h includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147197 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-22 23:04:07 +00:00
Rafael Espindola
60e06d6ac2 Point to libLTO with -L/PATH/ -lLTO so that it is found in the install 
directory.
Patch by Markus Trippelsdorf.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145095 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-23 03:07:25 +00:00
Peter Collingbourne
5d0f76199b Use absolute path to exportsfile in gold plugin CMake build. 
(Ninja generator requirement.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143783 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-05 04:17:20 +00:00
Daniel Dunbar
8c39c9647d build: Tidy up a bunch of tool Makefiles, and simplify where possible using the 
new all-targets pseudo-component.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142401 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-18 19:27:24 +00:00
Ivan Krasin
71280b55a3 use 64-bit types instead of off_t/size_t to avoid the issue when 
gold plugin is built with Large File Support (sizeof(off_t) == 64 on i686)
and the rest of LLVM is built w/o Large File Support
(sizeof(off_t) == 32 on i686) which corrupts the stack.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139873 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 23:13:00 +00:00
Ivan Krasin
ccb7c906d1 gold plugin: don't report error on non-bitcode (e.g. ELF) files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139544 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 21:47:50 +00:00
Ivan Krasin
c170f5f31c gold plugin: report errors occured in lto_module_create_from_* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139340 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 00:14:04 +00:00
Nick Lewycky
5e0ac58bef Don't try to dereference syms[0] on an empty vector. Reported by Todd Jackson 
and Jeffrey Bosboom!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136066 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-26 08:40:36 +00:00
Nick Lewycky
5d98c9ae71 Also remove -lLTO which should have been in r132349. I failed to apply this 
from David Meyer's patch!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132352 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 20:00:45 +00:00
Nick Lewycky
471fa149d1 Make the gold plugin build on Cygwin as well as Linux. Patch by David Meyer! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132349 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 19:53:26 +00:00
Oscar Fuentes
be5d9b0bdc CMake builds gold by default since revision 127466. This is 
inconsistent with autoconf, which by default set BINUTILS_INCDIR to
empty and exclude gold from target list.

Based on a patch by Haitao Li!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131229 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-12 11:26:21 +00:00
Duncan Sands
2abb82b1d3 Remove an unused variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130860 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 19:13:01 +00:00
Rafael Espindola
e578252c27 If present, use gold's support for getting a file view. This prevents having 
to map the file both in the linker and in the plugin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129109 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-07 21:11:00 +00:00
Rafael Espindola
6421a8815e Add a lto_codegen_compile_to_file to avoid producing a file, reading it to 
memory and writing it back to disk.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128108 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-22 20:57:13 +00:00
Rafael Espindola
f21b1058a1 Add support in the LTO library for loading an object from the middle 
of an file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127781 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-17 00:36:11 +00:00
Oscar Fuentes
4839ded3bd Force re-linking of LLVMgold.so when its exports file changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127473 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-11 18:27:13 +00:00
Oscar Fuentes
aa1fbb40ad Fix processing of gold.exports. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127471 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-11 18:07:46 +00:00
Oscar Fuentes
1dc550b383 Add LTO and gold plugin to the CMake build. Linux-only, support for 
other systems pending.

PR9456.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127466 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-11 15:44:24 +00:00
Rafael Espindola
d36fb9b5d4 Gold now rescans archives as needed, so the pass-through options are not 
necessary anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126580 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-27 20:30:22 +00:00
Rafael Espindola
35358e02bb bfd was fixed, remove the work around. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126579 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-27 20:15:37 +00:00
Rafael Espindola
981b1c4c62 LTO uses MC now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126546 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-26 16:44:13 +00:00
Rafael Espindola
8e04fc3adf Dispose modules early and only create codegen when the plugin is being 
used by the linker and not by nm or ar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126089 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-20 18:28:29 +00:00
Rafael Espindola
37d42f8a50 Add modules to codegen as soon as possible. This reduces the link time 
of libxul from 12m31.084s to 7m1.359s.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126052 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-19 21:49:57 +00:00
Rafael Espindola
5a287d7a03 Add a debug obj-path option to make it easy to keep the .o produce by LTO. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125663 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 11:19:44 +00:00
Rafael Espindola
5d618ef7f1 Switch llvm to using comdats. For now always use groups with a single 
section.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125526 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 22:23:49 +00:00
Rafael Espindola
b4cc031a3e Don't open the file again in the gold plugin. To be able to do this, update 
MemoryBuffer::getOpenFile to not close the file descriptor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125128 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-08 22:40:47 +00:00
Michael J. Spencer
8b1659e8bf gold: MinGW fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123886 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-20 05:43:16 +00:00
Charles Davis
53ca1f3190 Now to chant the magical incantation that will exorcise the System library 
from LLVM forever:

grep -lR "llvm/System" * | grep -v .svn | xargs sed -ie 's#llvm/System#llvm/Support#g'


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120314 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 19:44:50 +00:00
Michael J. Spencer
3cc52ea33c I swear I did a make clean and make before committing all this... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120304 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 18:47:54 +00:00
Dan Gohman
e4f1a9b8a2 Move tool_output_file into its own file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115973 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-07 20:32:40 +00:00
NAKAMURA Takumi
49c193cc74 Don't build redundant libLLVMgold.a. 
Building archive would be executed due to definition of BUILD_ARCHIVE,
even if BUILD_ARCHIVE = "0".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113578 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-10 06:26:57 +00:00
Nick Lewycky
59b4d2a371 Fix compile errors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112808 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 05:44:31 +00:00
Dan Gohman
f29140106f Convert tools to use tool_output_file, and introduce error 
checking to places which previously lacked it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111651 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 16:59:15 +00:00
Rafael Espindola
2d643ef328 Make it possible to set the cpu used for codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110759 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-11 00:15:13 +00:00
Rafael Espindola
98197e55c1 Make it possible to set the flags passed to the assembler. 
Nick, please review.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110705 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 18:55:09 +00:00
Rafael Espindola
15af387bff Fix silly bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110684 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 16:32:15 +00:00
Rafael Espindola
cbb170d057 Make it possible to set the target triple and expose that with an option in the 
gold plugin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110604 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-09 21:09:46 +00:00
Rafael Espindola
53843f8edb s/libLLVMgold/LLVMgold/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110552 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-08 21:14:26 +00:00
Duncan Sands
51370298b8 Remove variables that are written by not read. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107126 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-29 11:07:47 +00:00
Rafael Espindola
11f403cf2b Add an extra-library-path option to the plugin. This is used to support 
having a library both as bitcode and native code. We want to use the
bitcode first, but if codegen produces new undefined references we have to use
the native code to satisfy those references.

Gold has no notion of bitcode and native search directories, so instead it has
an API where the plugin can instruct it to look for the libraries it is passing
to it. This patch uses that API.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106674 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 20:20:59 +00:00
Rafael Espindola
bebb640b6b add_input_file and add_input_library now take const arguments, remove the 
const_cast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 02:23:12 +00:00
Rafael Espindola
dd76f18f90 Add a pass-through option to the plugin. The use case for this option is to 
ask the linker to take another look into some library or object. The case when
one might want to do this is when codegen introduces a new undefined reference.
The canonical example is libgcc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106303 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-18 19:18:58 +00:00
Rafael Espindola
38a979bf95 Don't produce output only if *all* files are unused. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105962 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-14 21:20:52 +00:00
Nick Lewycky
221aec60a7 Plug a leak in the non-error case by removing one level of indirection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105556 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 21:42:19 +00:00
Rafael Espindola
6c8099243a Misc cleanups to the gold plugin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105534 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 16:45:22 +00:00
Rafael Espindola
c4b55610d8 Add a emit-llvm option to the plugin and make the path argument to also-emit-llvm optional. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105414 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-03 21:11:20 +00:00
Nick Lewycky
662f738ec3 Perfer !string.empty() over string != "". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105397 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-03 17:13:23 +00:00
Nick Lewycky
fc55defb30 Whitespace cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-03 17:10:17 +00:00
Rafael Espindola
c72f8e9f9d Don't preserve all symbols in a .so and instead trust gold to know what is 
needed. The result is that now we are able to drop unnecessary symbol from
shared libraries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105389 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-03 14:45:44 +00:00
Rafael Espindola
bbe03f8d29 Avoid renaming loadable modules at install time. Now the gold plugin is named 
LLVMgold.so both in both the build and install directories.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103897 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-16 03:13:23 +00:00
Rafael Espindola
62bacd69c2 Add an also-emit-llvm option to the gold plugin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103714 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 13:39:31 +00:00
Nick Lewycky
4b67bc1e80 Revert r64616 which worked around http://gcc.gnu.org/PR42757 , we just didn't 
know it at the time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101439 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 04:32:20 +00:00
Dan Gohman
aa08c55e18 Create an exports file, so that the plugin only exports the onload symbol. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101431 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 00:43:25 +00:00
Dan Gohman
f6920033e0 Make things static that don't need to be referenced from outside the file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101430 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 00:42:57 +00:00
Chris Lattner
43b5f9312d make -fno-rtti the default unless a directory builds with REQUIRES_RTTI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94378 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-24 20:43:08 +00:00
Chris Lattner
e73a31f667 Stop building RTTI information for *most* llvm libraries. Notable 
missing ones are libsupport, libsystem and libvmcore.  libvmcore is
currently blocked on bugpoint, which uses EH.  Once it stops using
EH, we can switch it off.

This #if 0's out 3 unit tests, because gtest requires RTTI information.
Suggestions welcome on how to fix this.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94164 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-22 06:49:46 +00:00
Viktor Kutuzov
5c00b4af61 Fix to pass options from Gold plugin to LTO codegen 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85419 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 18:55:55 +00:00
Duncan Sands
09b5d90429 Include config.h in order to have HAVE_STDINT_H be defined. 
In the latest binutils the plugin-api.h needs this - without
it the LLVM gold plugin fails to compile.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84861 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 16:03:32 +00:00
Nick Lewycky
c469e9fd22 Fix Makefile to build correctly on Darwin. Patch by Sandeep Patel! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83813 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-11 23:10:09 +00:00
Dan Gohman
baa26395cc Make LLVM command-line tools overwrite their output files without -f. 
This is conventional command-line tool behavior. -f now just means
"enable binary output on terminals".

Add a -f option to llvm-extract and llvm-link, for consistency.

Remove F_Force from raw_fd_ostream and enable overwriting and
truncating by default. Introduce an F_Excl flag to permit users to
enable a failure when the file already exists. This flag is
currently unused.

Update Makefiles and documentation accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79990 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 15:34:52 +00:00
Chris Lattner
17e9edc4a7 Change raw_fd_ostream to take flags as an optional bitmask 
instead of as two bools.  Use this to add a F_Append flag
which has the obvious behavior.

Other unrelated changes conflated into this patch:

1. REmove EH stuff from llvm-dis and llvm-as, the try blocks
   are dead.
2. Simplify the filename inference code in llvm-as/llvm-dis,
   because raw_fd_ostream does the right thing with '-'.
3. Switch machine verifier to use raw_ostream instead of ostream
   (Which is the thing that needed append in the first place).




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79807 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-23 02:51:22 +00:00
Dan Gohman
a1bdcedc38 Add a Force option to raw_fd_ostream to specify whether opening 
an existing file is considered an error. Convert several tools
to use raw_fd_ostream instead of std::ostream, and to use this
new option instead of doing a manual check.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75801 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 17:29:42 +00:00
Jeffrey Yasskin
ed1c0ffe0b Add a portable strerror*() wrapper, llvm::sys::StrError(). This includes the 
Windows variant, strerror_s, but I couldn't test that.

I'll update configure and config.h.in in a subsequent patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74621 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-01 18:11:20 +00:00
Chris Lattner
929a49356e remove dead makefile flags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74065 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 05:29:56 +00:00
Rafael Espindola
42de34f013 Remove the gcc= option. llvm-gcc uses only as= 
Look for as in the path. Doing it here instead
of llvm-gcc because llvm-gcc has nothing as
convenient as sys::Program::FindProgramByName.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73383 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 10:14:18 +00:00
Nick Lewycky
a9b9032df1 Add option for specifying the path to assembler, "as". This overrides the path 
to gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73008 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 00:50:45 +00:00
Duncan Sands
10287438e1 Make sure the CXXFLAGS setting is picked up by 
the common Makefile.  Not sure why this suddenly
started causing problems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71925 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-16 04:00:00 +00:00
Nick Lewycky
195bea3498 Allow a user of libLTO to specify the full pathname of the gcc executable to 
run when assembling.

Wire this up to the gold plugin. You can now pass --plugin-opt gcc=/foo/bar/gcc
and it will run that gcc instead of looking for it on the path.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70490 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 15:24:09 +00:00
Rafael Espindola
7431af050f Add LTO_SYMBOL_DEFINITION_WEAKUNDEF, use that on the gold plugin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69972 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-24 16:55:21 +00:00
Nick Lewycky
dcd158af27 Force 'llvm-config' to go first, optionally followed by lto and gold mixed in 
with the rest of the parallel directories.

Build lto when possible on all platforms. Make gold to explicitly depend on
libLTO.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65518 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-26 07:56:49 +00:00
Nick Lewycky
ca4286295f Add an option to the gold plugin to make it emit a file with the public api 
list that can in turn be passed to -internalize pass through
-internalize-public-api-file.

Pass gold -plugin-opt=generate-api-file to produce "apifile.txt" in the current
directory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65295 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-22 22:15:44 +00:00
Rafael Espindola
6210a9493a really fix style 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64923 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-18 17:49:06 +00:00
Rafael Espindola
98c507ed5c fix style 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64905 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-18 08:30:15 +00:00
Rafael Espindola
f163a95705 tools like nm and ar only need register_claim_file and add_symbols. Don't abort 
if other hooks are missing.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64812 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 21:08:21 +00:00
Nick Lewycky
45eb7865c9 Shoot! Remove this debugging line again! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64617 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 22:50:17 +00:00
Nick Lewycky
e0afaa301d Don't discard definitions of common symbols. Not sure if this is the right fix. 
Before this change, the program:
  int var;
  int main(void) { return 0; }
when run under 'nm -g' would show 'U var' with the gold plugin and
'B var' with gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64616 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 22:49:17 +00:00
Nick Lewycky
0df91b2c86 Free the buffer in the case where we don't create a module out of it, as 
pointed out by Torok Edwin.

Remove trailing whitespaces.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64002 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-07 03:15:01 +00:00
Nick Lewycky
ea97aa6129 Free the buffer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63907 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-06 01:58:34 +00:00
Duncan Sands
7a2e7e5c20 Revert the previous commit. It seems it didn't 
really solve the problem.  Also it changed the
name from libLLVMgold to LLVMgold (correcting
the name resulted in the original problem
suddenly reappearing).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63861 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-05 10:21:34 +00:00
Duncan Sands
105de28dab Stop llvm-config thinking that there are circular 
dependencies between libraries due to __dso_handle
when doing "make install".  I don't know what the
LINK_COMPONENTS stuff is about, so I left it alone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63860 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-05 09:54:02 +00:00
Nick Lewycky
98245c7060 It's not obvious, but lto_module_create_from_memory doesn't need to use the 
buffer after it creates the Module. Thus, we don't need to store this pointer
in claimed_file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63834 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-05 05:36:01 +00:00
Nick Lewycky
c1da8864a9 Remove accidentally included debug message! 
Reword a comment for clarity. Remove some extra whitespace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63823 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-05 04:14:23 +00:00
Torok Edwin
6cbbdfd2e9 Alphabetize includes. Update comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63771 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-04 21:00:02 +00:00
Torok Edwin
1845d99041 mention that PIC is needed for libLTO and libLLVMgold 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63755 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-04 19:12:25 +00:00
Torok Edwin
4cb16349b0 remove printf - it was there only for debugging! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63742 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-04 17:40:28 +00:00
Torok Edwin
3e5a0d8b0b add support for .a files containing LLVM IR to the gold plugin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63741 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-04 17:39:30 +00:00
Nick Lewycky
3e62b2dc93 Add LLVM plugin for gold. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63623 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-03 07:13:24 +00:00