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69 Commits

Author SHA1 Message Date
Daniel Dunbar
44fa0473ae macho-dump: Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120185 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-27 04:00:06 +00:00
Rafael Espindola
2ace1b68ac Use multiple 0x66 prefixes so that all nops up to 15 bytes are a single instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120147 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-25 17:14:16 +00:00
Kevin Enderby
e8e98d7f2e Added support for the Mach-O .symbol_resolver directive. rdar://8673046 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119816 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 18:39:33 +00:00
Rafael Espindola
7339fb5dae Change the 11 byte nop to be a single instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119286 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-15 23:10:30 +00:00
Daniel Dunbar
23bea41ec6 MC/Mach-O/i386: Fix a crash in relocation handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114176 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-17 15:21:50 +00:00
Rafael Espindola
228290c0d1 Change section_data dumping to print hex numbers instead of using 
python's %r.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113685 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-11 15:25:58 +00:00
Chris Lattner
a247685b30 fix the encoding of the "jump on *cx" family of instructions, 
rdar://8061602


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113343 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 04:30:51 +00:00
Kevin Enderby
bd658918df MC/X86: Add aliases for Jcc variants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104890 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-27 21:33:19 +00:00
Eric Christopher
bd3ba537cd Add a quick test of relocations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104794 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-27 00:53:40 +00:00
Eric Christopher
02b46bc942 Add support for initialized global data for darwin tls. Update comments 
and testcases accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104635 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 21:28:50 +00:00
Eric Christopher
591466baff A more combo tls testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104163 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-19 21:19:42 +00:00
Eric Christopher
aa6c72ec95 Few more simple tls testcases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104148 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-19 20:35:15 +00:00
Eric Christopher
b4e876e37e Quick test to make sure we're emitting the tbss section correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104063 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 21:40:20 +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
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
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
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
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
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
Daniel Dunbar
2f93667f0b MC/Mach-O: Add another zerofill test to improve coverage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103691 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 01:10:28 +00:00
Daniel Dunbar
a5f1d57f65 MC/Mach-O/x86_64: Add a new hook for checking whether a particular section can 
be diced into atoms, and adjust getAtom() to take this into account.
 - This fixes relocations to symbols in fixed size literal sections, for
   example.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103532 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-12 00:38:17 +00:00
Daniel Dunbar
db4c7e606f MC/Mach-O/x86_64: Fix PCrel adjustment for x86_64, which was using the fixup 
offset instead of the fixup address as intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103527 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 23:53:11 +00:00
Daniel Dunbar
651804c3d6 MC/Mach-O x86_64: Switch to using fragment atom symbol. 
- This eliminates getAtomForAddress() (which was a linear search) and
   simplifies getAtom().
 - This also fixes some correctness problems where local labels at the same
   address as non-local labels could be assigned to the wrong atom.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103480 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 17:22:50 +00:00
Daniel Dunbar
a8251fac10 MC/Mach-O: Fix another mismatch with .weak_definition, we shouldn't use a 
scattered relocation entry with a .weak_definition.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103443 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-10 23:15:20 +00:00
Kevin Enderby
a6eeb6e226 Fix i386 relocations to Weak Definitions. The relocation entries should be 
external and the item to be relocated should not have the address of the
symbol added in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103302 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 21:44:23 +00:00
Daniel Dunbar
2d7fd61e94 MC/Mach-O: Mark absolute variable's appropriately, and add Mach-O support for 
writing them.
 - <rdar://problem/7885351> integrated assembler broken for i386 objc code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103112 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-05 19:01:05 +00:00
Daniel Dunbar
ae7fb0b03e MC/Mach-O/x86_64: Relocations in debug sections should use local relocations 
when possible.
 - <rdar://problem/7934873>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103092 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-05 17:22:39 +00:00
Daniel Dunbar
1de558b71f MC/Mach-O/x86_64: Support @GOTPCREL on symbols, even for non-PCrel relocations! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99853 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-29 23:56:40 +00:00
Daniel Dunbar
e9cfd685f5 MC: Fix refacto in MCExpr evaluation, I mistakenly replaced a fragment address with a symbol address. 
- This fixes the integrated-as nightly test regressions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99466 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-25 01:03:17 +00:00
Daniel Dunbar
78fcf53a18 MC/Mach-O: Remove Darwin host specific tests, we don't need them anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99100 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-20 22:36:32 +00:00
Daniel Dunbar
57a49a202f MC/Mach-O: Tweak optimal_nop test to be host independent. 
- This also avoids us running valgrind on /usr/bin/as, which has leaks. :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99099 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-20 22:36:29 +00:00
Kevin Enderby
b46b03b36f Fixed the encoding problems of the crc32 instructions. All had the Operand size 
override prefix and only the r/m16 forms should have had that.  Also for variant
one, the AT&T syntax, added suffixes to all forms.  Also added the missing
64-bit form for 'CRC32 r64, r/m8'.  Plus added test cases for all forms and
tweaked one test case to add the needed suffixes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98980 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 20:04:42 +00:00
Daniel Dunbar
602b40f0d0 MC/Mach-O/x86_64: Add relocation support. 
- This is "extraordinarily" Darwin 'as' compatible. See the litany of FIXMEs littered about for more information.
 - There are a few cases which seem to clearly be 'as' bugs which I have left unsupported, and there is one cases where we diverge but should fix if it blocks diffing .o files (Darwin 'as' ends up widening a jump unnecessarily).
 - 403.gcc build, runs, and diffs equivalently to the 'as' built version now (using llvm-mc). However, it builds so slowly that I wouldn't recommend trying it quite yet. :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98974 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 18:07:55 +00:00
Daniel Dunbar
939f8d7ca2 MC/Mach-O: Factor out isScatteredFixupFullyResolvedSimple predicate, and fix some corner cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98924 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 03:18:12 +00:00
Daniel Dunbar
d6e59084d0 MC/Mach-O/x86_64: Temporary labels in cstring sections require symbols (and external relocations, but we don't have x86_64 relocations yet). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98583 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 21:56:50 +00:00
Chris Lattner
3b39f89006 xfail properly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98479 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 07:55:34 +00:00
Chris Lattner
9e2dab7dbe xfail these tests temporarily to get teh buildbots back to happy land. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98476 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 07:32:48 +00:00
Daniel Dunbar
5691e74f97 MC/X86_64: Symbol support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98456 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 22:49:35 +00:00
Daniel Dunbar
ee0d89245e MC/Mach-O: Initial x86_64 support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98454 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 22:10:17 +00:00
Daniel Dunbar
da3e9f760c MC/Mach-O: PCrel relocations weren't using the right base address, they are 
relative to the fragment address, not its offset. This was masked by the text
section normally being at address 0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98420 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 02:38:00 +00:00
Daniel Dunbar
f08fde41f3 MC/Mach-O: Implement initial support for relaxation. 
- The implementation is currently very brain dead and inefficient, but I have a
   clear plan on how to fix it.

 - The good news is, it works and correctly assembles 403.gcc (when built with
   Clang, at '-Os', '-Os -g', and '-O3'). Even better, at '-Os' and '-Os -g',
   the resulting binary is exactly equivalent to that when built with the system
   assembler. So it probably works! :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 22:07:14 +00:00
Daniel Dunbar
979ba5b3c7 MC/Mach-O: Implement "absolutizing" semantics of .set, by evaluating the assembly time value of variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98241 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 05:53:37 +00:00
Daniel Dunbar
a015c1c876 MC/Mach-O: Use the SECTDIFF relocation type for (A - B + constant) where A is external. 
- I'm not sure why, but this is what 'as' does.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98115 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 00:58:25 +00:00
Daniel Dunbar
f3a066f7c3 MC/Mach-O: For PCrel relocations, we need to compensate for the PCrel adjustment when determining if we need a scattered relocation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98082 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 21:27:58 +00:00
Daniel Dunbar
b2b4acd757 MC/Macho-O: Align the zerofill section itself to the maximum alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97991 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 22:03:42 +00:00
Daniel Dunbar
37fad5ce4d MC/Mach-O: Fix address compution for zero fill sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97984 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 21:10:42 +00:00
Kevin Enderby
d74acb0c78 This is a patch to the assembler frontend to detect when aligning a text 
section with TextAlignFillValue and calls EmitCodeAlignment() instead of
calling EmitValueToAlignment().  This allows x86 assembly code to be aligned
with optimal nops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97158 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 18:46:04 +00:00
Daniel Dunbar
197f1f0246 MCAssembler/Darwin: Add a test (on Darwin) that we assemble a bunch of 
instructions exactly like 'as', and produce equivalent .o files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95143 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 22:00:15 +00:00
Daniel Dunbar
e1ec617c6a MC/Mach-O: Set SOME_INSTRUCTIONS bit for sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95135 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:44:01 +00:00