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206 Commits

Author SHA1 Message Date
Stuart Hastings 7257897402 Revise r126127 to address Daniel's comments. <rdar://problem/9012638> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127939 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-19 01:32:01 +00:00
Rafael Espindola 0412d5b40a Fix llvm-gcc bootstrap with gnu ld. 
The problem was codegen guessing the wrong values and printing

	.section	.eh_frame,"aMS",@progbits,4

It is not clear at all if Codegen should try to guess, MC is the
one that should know the default flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126421 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 20:18:01 +00:00
Eric Christopher f8597eb0d9 Revert r125960, it's breaking darwin10 bootstrap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126163 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-21 23:52:19 +00:00
Stuart Hastings 6ad82d81cc Fix to correctly support attribute((section("__DATA, __common"))). 
Radar 9012638.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126127 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-21 17:27:17 +00:00
Bill Wendling 5028249fab Reapply r114997 now that the buildbots have been updated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125960 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-18 21:12:58 +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 0cf5e3d51d Delay the creation of eh_frame so that the user can change the defaults. 
Add support for SHT_X86_64_UNWIND.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124059 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 05:43:40 +00:00
Rafael Espindola 1c13026e8f Remove more duplicated code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124056 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 04:43:11 +00:00
Rafael Espindola c85dca66e6 Remove duplicated code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124054 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 04:28:49 +00:00
Rafael Espindola 89b9372605 Fixed version of 121434 with no new memory leaks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 07:39:47 +00:00
Rafael Espindola f7fd4aa261 Revert my previous patch to make the valgrind bots happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121461 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 04:01:09 +00:00
Rafael Espindola 1c952b9cc9 Initial support for the cfi directives. This is just enough to get 
f:
        .cfi_startproc
        nop
        .cfi_endproc

assembled (on ELF).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121434 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 23:48:29 +00:00
Rafael Espindola 34be396a12 Fixed version of 118639 with an extra assert to catch similar problems 
earlier. Implicit bool -> int conversions are evil!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118651 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 23:42:07 +00:00
Michael J. Spencer 3931b54a5f COFF: Add IMAGE_SCN_MEM_READ to text sections. 
There are currently 100 references to COFF::IMAGE_SCN in 6 files
and 11 different functions. Section to attribute mapping really
needs to happen in one place to avoid problems like this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117473 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 18:52:29 +00:00
Michael J. Spencer 579d7a3dcc Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117472 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 18:52:20 +00:00
NAKAMURA Takumi 3b3b0ebd2e lib/CodeGen/TargetLoweringObjectFileImpl.cpp: Tweak to emit ".{section}${name}" instead of ".{section}$linkonce_{name}" for linkonce sections. 
It seems GNU ld/PECOFF relies on section names, linking with g++'s libstdc++.a would fail.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116791 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 03:24:42 +00:00
Anton Korobeynikov 657985eb8b Do not check that the bodies of two defs of same linkonce global are the same. 
Such a check does not make any sense in presense of inlining and other compiler-dependent stuff.
This should fix bunch of warnings on mingw32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116113 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 21:50:04 +00:00
Bill Wendling 2ff6e1e62c Revert r114997. It was causing a failure on darwin10-selfhost. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115002 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 23:11:55 +00:00
Bill Wendling 4edab1a9e8 Fix a FIXME. _foo.eh symbols are currently always exported so that the linker 
knows about them. This is not necessary on 10.6 and later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114997 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 22:36:56 +00:00
Chris Lattner 8048ebe91d the latest assembler that runs on powerpc 10.4 machines doesn't 
support aligned comm.  Detect when compiling for 10.4 and don't
emit an alignment for comm.  THis will hopefully fix PR8198.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114817 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 06:44:54 +00:00
Chris Lattner 1875ce4ad9 two changes: 
1) nuke ConstDataCoalSection, which is dead.
2) revise my previous patch for rdar://8018335,
  which was completely wrong.  Specifically, it doesn't 
  make sense to mark __TEXT,__const_coal as PURE_INSTRUCTIONS,
  because it is for readonly data.  templates (it turns out)
  go to const_coal_nt.  The real fix for rdar://8018335 was
  to give ConstTextCoalSection a section kind of ReadOnly 
  instead of Text.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112496 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 18:12:35 +00:00
Chris Lattner 6a624a65f4 fix the definitions of ConstTextCoalSection/ConstDataCoalSection 
to keep "Text" in sync with the "pure instructions" section attribute.
Lack of this attribute was preventing the assembler from emitting
multibyte noops instructions for templates (and inlines, and other
coalesced stuff) and was causing the assembler to mismatch .o files.

This fixes rdar://8018335



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108461 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-15 21:22:00 +00:00
Anton Korobeynikov 36335be3b9 Fix a major regression on COFF targets introduced by r103267: 'discardable' section means that it is used only during the program load and can be discarded afterwards. 
This way *only* debug sections can be discarded, but not the opposite. Seems like the copy-and-pasto from ELF code, since there it contains the reverse flag ('alloc').

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107658 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-06 15:24:56 +00:00
Daniel Dunbar 94610588af MC: Move COFF enumeration constants to llvm/Support/COFF.h, patch by Michael 
Spencer!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107418 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-01 20:07:24 +00:00
Bill Wendling 07d3177117 Revert r107205 and r107207. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107215 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-29 22:34:52 +00:00