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dae5b9f804
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478 Commits

Author SHA1 Message Date
Daniel Dunbar
dae5b9f804 MC: Eliminate an unnecessary copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104709 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 17:50:16 +00:00
Daniel Dunbar
8488252855 MC: Simplify MayNeedRelaxation to not provide the fixups, so we can query it 
before encoding.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104707 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 17:45:29 +00:00
Daniel Dunbar
c90e30aa6f MC: Eliminate MCAsmFixup, replace with MCFixup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104699 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 15:18:56 +00:00
Daniel Dunbar
482ad802f1 MC: Use accessors for access to MCAsmFixup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104697 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 15:18:31 +00:00
Daniel Dunbar
c9adb8c61e MC: Change MCInst::dump_pretty to not include a trailing newline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104696 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 15:18:13 +00:00
Daniel Dunbar
e614e393c7 MC: Eliminate MCFragment vtable, which was unnecessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104689 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 06:50:57 +00:00
Eric Christopher
96ac5156ca Start adding mach-o tls reloc support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104651 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 00:02:12 +00:00
Daniel Dunbar
414c0c43d3 llvm-mc: Use EmitIntValue where possible, which makes the API calls from the AsmParser and CodeGen line up better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104467 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-23 18:36:38 +00:00
Daniel Dunbar
01777ff094 llvm-mc: Use AddBlankLine in asm parser. This makes transliteration match the input much more closely, and also makes the API calls from the AsmParser and CodeGen line up better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104466 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-23 18:36:34 +00:00
Daniel Dunbar
fdb5a86179 MC: Add an MCLoggingStreamer, for use in debugging integrated-as mismatches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104463 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-23 17:44:06 +00:00
Eric Christopher
070c1abbc9 Expand on comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 23:03:53 +00:00
Eric Christopher
9b00685bb6 Fix section attribute name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104381 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 21:08:52 +00:00
Matt Fleming
924c5e58f2 Add support for parsing the ELF .type assembler directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104316 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 11:36:59 +00:00
Matt Fleming
ab3b3651ad Grammar fix. This is a test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104264 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 19:45:09 +00:00
Benjamin Kramer
c37791e875 Reduce string trashing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104223 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 14:14:22 +00:00
Eric Christopher
c1a887d76d Partial code for emitting thread local bss data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104197 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 00:49:07 +00:00
Chris Lattner
a7f1354eb5 fix rdar://7986634 - match instruction opcodes case insensitively. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104183 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-19 23:34:33 +00:00
Eric Christopher
011c3f110b Implement EmitTBSSSymbol for MachOStreamer. 
Fixes build failure as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104059 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 21:26:41 +00:00
Eric Christopher
4d01cbe93b Make EmitTBSSSymbol take a section argument so that we can find it later. 
Fix up callers and users.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104057 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 21:16:04 +00:00
Kevin Enderby
9f2ad11624 Incorporate Daniel's suggestion and use !isdigit(CurPtr[0]) and not 
CurPtr[0] == '\n' when testing the character after a "0b" when looking
to see if it part of a something like "jmp 0b".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104039 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 18:09:20 +00:00
Kevin Enderby
d8ba292c9b Fixed the problem with a branch to "0b" that was not parsed by llvm-mc 
correctly.  The Lexer was incorrectly eating the newline casusing it to branch
to address 0.  Updated the test case to use a "0:" label and a branch to "0b".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104038 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 17:51:35 +00:00
Daniel Dunbar
2ae4bfd769 MC/Mach-O: Implement support for setting indirect symbol table offset in section header. 
Also, create symbol data for LHS of assignment, to match 'as' symbol ordering better.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104033 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 17:28:24 +00:00
Daniel Dunbar
56279f42b6 MC/Mach-O: Remove some FIXMEs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104032 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 17:28:20 +00:00
Daniel Dunbar
ca1212de59 MC/Mach-O: Fail faster/harder when we see .file, which isn't yet supported. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104031 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 17:28:17 +00:00
Benjamin Kramer
47f9a49560 Simplify MCContext::(Next|Get)Instance 
- Allocate MCLabels in the context so they don't leak.
- Avoid duplicated densemap lookup.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104020 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 12:15:34 +00:00
Kevin Enderby
ebe7fcd041 Added support in MC for Directional Local Labels. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103989 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 23:08:19 +00:00
Eric Christopher
c6177a4531 More data/parsing support for tls directives. Add a few more testcases 
and cleanup comments as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103985 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 22:53:55 +00:00
Daniel Dunbar
648ac5153e MC/Mach-O/x86: Optimal nop sequences should only be used for the .text sections, not all sections in the text segment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103981 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 21:54:30 +00:00
Daniel Dunbar
9a744e3860 MC: Add dyn_cast support to MCSection. 
- Of questionable utility, since in general anything which wants to do this should probably be within a target specific hook, which can rely on the sections being of the appropriate type. However, it can be useful for short term hacks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103980 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 21:54:26 +00:00
Daniel Dunbar
db9014dd8b MC/Mach-O: Reverse order of SymbolData scanning when emitting instructions. 
- This fixes a string table mismatch with 'as' when two new symbols are defined
   in a single instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103979 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 21:19:59 +00:00
Eric Christopher
423c9e3e58 Add some section and constant support for darwin TLS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103974 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 21:02:07 +00:00
Daniel Dunbar
b18d2dd115 MC/Mach-O: Fix some differences in symbol flag handling. 
- Don't clear weak reference flag, 'as' was only "trying" to do this, it wasn't
   actually succeeding.
 - Clear the "lazy bound" bit when we mark something external. This corresponds
   roughly to the lazy clearing of the bit that 'as' implements in
   symbol_table_lookup.
 - The exact meaning of these flags appears pretty loose, since 'as' isn't very
   consistent. For now we just try to match 'as', we will clean this up one day
   hopefully.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103964 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 20:12:31 +00:00
Daniel Dunbar
525a3a67c1 llvm-mc: Support reassignment of variables in one special case, when the 
variable has not yet been used in an expression. This allows us to support a few
cases that show up in real code (mostly because gcc generates it for Objective-C
on Darwin), without giving up a reasonable semantic model for assignment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103950 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 17:46:23 +00:00
Eric Christopher
d04d98d24f Assume that we'll handle mangling the symbols earlier and just put the 
symbol to the file as we have it.  Simplifies out tbss handling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103928 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 02:13:02 +00:00
Daniel Dunbar
f0f6cdb6b4 MC/Mach-O/x86_64: Darwin's special "signed_N" relocation types should only be 
used to replace a normal relocation, not a reference to a GOT entry.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103789 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 18:53:40 +00:00
Eric Christopher
482eba054a Add AsmParser support for darwin tbss directive. 
Nothing uses this yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103757 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 01:50:28 +00:00
Eric Christopher
c260a3e59a Fix a couple of typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103756 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 01:38:54 +00:00
Daniel Dunbar
47b3ec4daa MC: Switch to completely lazy layout. 
- The eliminates the last major algorithmic problem with MC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103754 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:51:14 +00:00
Daniel Dunbar
9005d45a99 MC: Extend MCAsmLayout to explicitly track which fragments have been layed out, and enforce several invariants to LayoutFragment to ensure we only do layout in a sensible order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103753 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:37:21 +00:00
Daniel Dunbar
11c4111516 MC: Implicitly assign section addresses when the previous fragment is layed out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103752 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:37:17 +00:00
Daniel Dunbar
337718e09c MC: Switch MCFragment to storing the layout order index, not its index in the file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103751 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:37:14 +00:00
Daniel Dunbar
afc6acdab7 MC: Change LayoutSection() to only do the section initializiation. 
Also, elimminate MCAsmLayout::set*, which are no longer needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103750 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:37:11 +00:00
Daniel Dunbar
b69fc044db MC: Move Layout{Fragment,Section} into MCAsmLayout, and add LayoutFile(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103738 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 20:40:12 +00:00
Daniel Dunbar
2c18d3b0fe MC: Factor out MCAssembler::ComputeFragmentSize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103724 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 18:35:06 +00:00
Daniel Dunbar
f60c736c64 MC: Add section layout order indices to MCSectionData. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103715 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 15:17:26 +00:00
Daniel Dunbar
49ed921190 MC: Move ordinal calculation, to make sure fragments synthesized for layout get assigned ordinals properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103711 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 08:43:37 +00:00
Daniel Dunbar
09d3465f0e MC: Create dummy fragments to avoid ever having empty sections, which simplifies layout. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103710 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 08:43:34 +00:00
Daniel Dunbar
aa0d350fe5 MC: Add MCAsmLayout::FragmentReplaced() helper function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103709 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 08:43:31 +00:00
Daniel Dunbar
054be92e1d Fix -Asserts warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103697 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 03:50:50 +00:00
Daniel Dunbar
2661f11e46 MC: Eliminate MCSectionData::{,Address,File}Size, which can now be computed by 
utility functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103695 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 03:19:50 +00:00