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64 Commits

Author SHA1 Message Date
Dylan Noblesmith
40dea4f20c drop unneeded config.h includes 
llvm-svn: 147197
 2011-12-22 23:04:07 +00:00
Ivan Krasin
de2d3cf093 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.

llvm-svn: 139873
 2011-09-15 23:13:00 +00:00
Ivan Krasin
6b8225fcda gold plugin: don't report error on non-bitcode (e.g. ELF) files. 
llvm-svn: 139544
 2011-09-12 21:47:50 +00:00
Ivan Krasin
19d51af328 gold plugin: report errors occured in lto_module_create_from_* 
llvm-svn: 139340
 2011-09-09 00:14:04 +00:00
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
Duncan Sands
9a37d60dff Remove an unused variable. 
llvm-svn: 130860
 2011-05-04 19:13:01 +00:00
Rafael Espindola
61e0c74936 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.

llvm-svn: 129109
 2011-04-07 21:11:00 +00:00
Rafael Espindola
1592f3ae24 Add a lto_codegen_compile_to_file to avoid producing a file, reading it to 
memory and writing it back to disk.

llvm-svn: 128108
 2011-03-22 20:57:13 +00:00
Rafael Espindola
8dab9a762b Add support in the LTO library for loading an object from the middle 
of an file.

llvm-svn: 127781
 2011-03-17 00:36:11 +00:00
Rafael Espindola
53fdf0bfc1 Gold now rescans archives as needed, so the pass-through options are not 
necessary anymore.

llvm-svn: 126580
 2011-02-27 20:30:22 +00:00
Rafael Espindola
744cde8b39 bfd was fixed, remove the work around. 
llvm-svn: 126579
 2011-02-27 20:15:37 +00:00
Rafael Espindola
13bfff7d40 LTO uses MC now. 
llvm-svn: 126546
 2011-02-26 16:44:13 +00:00
Rafael Espindola
83ad96cc73 Dispose modules early and only create codegen when the plugin is being 
used by the linker and not by nm or ar.

llvm-svn: 126089
 2011-02-20 18:28:29 +00:00
Rafael Espindola
f2fd1bf3d8 Add modules to codegen as soon as possible. This reduces the link time 
of libxul from 12m31.084s to 7m1.359s.

llvm-svn: 126052
 2011-02-19 21:49:57 +00:00
Rafael Espindola
3c40b1fab0 Add a debug obj-path option to make it easy to keep the .o produce by LTO. 
llvm-svn: 125663
 2011-02-16 11:19:44 +00:00
Rafael Espindola
3c32af5834 Switch llvm to using comdats. For now always use groups with a single 
section.

llvm-svn: 125526
 2011-02-14 22:23:49 +00:00
Rafael Espindola
43f9672afa 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.

llvm-svn: 125128
 2011-02-08 22:40:47 +00:00
Michael J. Spencer
2bf08ad59d gold: MinGW fix. 
llvm-svn: 123886
 2011-01-20 05:43:16 +00:00
Michael J. Spencer
4a63404543 I swear I did a make clean and make before committing all this... 
llvm-svn: 120304
 2010-11-29 18:47:54 +00:00
Dan Gohman
6645ce3f75 Move tool_output_file into its own file. 
llvm-svn: 115973
 2010-10-07 20:32:40 +00:00
Nick Lewycky
7d3f15bab3 Fix compile errors. 
llvm-svn: 112808
 2010-09-02 05:44:31 +00:00
Dan Gohman
d8be4c4aca Convert tools to use tool_output_file, and introduce error 
checking to places which previously lacked it.

llvm-svn: 111651
 2010-08-20 16:59:15 +00:00
Rafael Espindola
f345661269 Make it possible to set the cpu used for codegen. 
llvm-svn: 110759
 2010-08-11 00:15:13 +00:00
Rafael Espindola
c61143ae75 Make it possible to set the flags passed to the assembler. 
Nick, please review.

llvm-svn: 110705
 2010-08-10 18:55:09 +00:00
Rafael Espindola
acfdd67ec8 Fix silly bug. 
llvm-svn: 110684
 2010-08-10 16:32:15 +00:00
Rafael Espindola
fd90a58cd3 Make it possible to set the target triple and expose that with an option in the 
gold plugin.

llvm-svn: 110604
 2010-08-09 21:09:46 +00:00
Duncan Sands
d0286618b5 Remove variables that are written by not read. 
llvm-svn: 107126
 2010-06-29 11:07:47 +00:00
Rafael Espindola
ea22615ccd 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.

llvm-svn: 106674
 2010-06-23 20:20:59 +00:00
Rafael Espindola
705c2bd4c3 add_input_file and add_input_library now take const arguments, remove the 
const_cast.

llvm-svn: 106410
 2010-06-21 02:23:12 +00:00
Rafael Espindola
d7bfa3a0f7 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.

llvm-svn: 106303
 2010-06-18 19:18:58 +00:00
Rafael Espindola
23f533848f Don't produce output only if *all* files are unused. 
llvm-svn: 105962
 2010-06-14 21:20:52 +00:00
Nick Lewycky
ff1e3db00e Plug a leak in the non-error case by removing one level of indirection. 
llvm-svn: 105556
 2010-06-07 21:42:19 +00:00
Rafael Espindola
b93be14fa0 Misc cleanups to the gold plugin. 
llvm-svn: 105534
 2010-06-07 16:45:22 +00:00
Rafael Espindola
ee11d1e6a5 Add a emit-llvm option to the plugin and make the path argument to also-emit-llvm optional. 
llvm-svn: 105414
 2010-06-03 21:11:20 +00:00
Nick Lewycky
14c5598c42 Perfer !string.empty() over string != "". 
llvm-svn: 105397
 2010-06-03 17:13:23 +00:00
Nick Lewycky
04d3d4e46f Whitespace cleanup. 
llvm-svn: 105395
 2010-06-03 17:10:17 +00:00
Rafael Espindola
9d46e81a8b 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.

llvm-svn: 105389
 2010-06-03 14:45:44 +00:00
Rafael Espindola
bc6fabbd3e Add an also-emit-llvm option to the gold plugin. 
llvm-svn: 103714
 2010-05-13 13:39:31 +00:00
Nick Lewycky
e96e382131 Revert r64616 which worked around http://gcc.gnu.org/PR42757 , we just didn't 
know it at the time.

llvm-svn: 101439
 2010-04-16 04:32:20 +00:00
Dan Gohman
792df0f4ca Make things static that don't need to be referenced from outside the file. 
llvm-svn: 101430
 2010-04-16 00:42:57 +00:00
Viktor Kutuzov
4da1a5215a Fix to pass options from Gold plugin to LTO codegen 
llvm-svn: 85419
 2009-10-28 18:55:55 +00:00
Duncan Sands
728eebe8e2 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.

llvm-svn: 84861
 2009-10-22 16:03:32 +00:00
Dan Gohman
53f0d68f87 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.

llvm-svn: 79990
 2009-08-25 15:34:52 +00:00
Chris Lattner
f16d8ade4f 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).

llvm-svn: 79807
 2009-08-23 02:51:22 +00:00
Dan Gohman
9ced780576 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.

llvm-svn: 75801
 2009-07-15 17:29:42 +00:00
Jeffrey Yasskin
29ea777c1e 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.

llvm-svn: 74621
 2009-07-01 18:11:20 +00:00
Rafael Espindola
904e6801af 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.

llvm-svn: 73383
 2009-06-15 10:14:18 +00:00
Nick Lewycky
acd23348af Add option for specifying the path to assembler, "as". This overrides the path 
to gcc.

llvm-svn: 73008
 2009-06-07 00:50:45 +00:00
Nick Lewycky
503cfd4ace 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.

llvm-svn: 70490
 2009-04-30 15:24:09 +00:00
Rafael Espindola
b01a03d6d5 Add LTO_SYMBOL_DEFINITION_WEAKUNDEF, use that on the gold plugin. 
llvm-svn: 69972
 2009-04-24 16:55:21 +00:00