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8555d32c9e
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495 Commits

Author SHA1 Message Date
Rafael Espindola
8555d32c9e Initial comdat implementation. 
llvm-svn: 118805
 2010-11-11 18:13:52 +00:00
Rafael Espindola
d05bf9ffe0 Use MCSectionELF in places we know we have an ELF section. 
llvm-svn: 118699
 2010-11-10 19:05:07 +00:00
Jim Grosbach
4e3653e4e1 Update ARMConstantPoolValue to not use a modifier string. Use an explicit 
VariantKind marker to indicate the additional information necessary. Update
MC to handle the new Kinds. rdar://8647623

llvm-svn: 118671
 2010-11-10 03:26:07 +00:00
Rafael Espindola
3c0f11a265 Fixed version of 118639 with an extra assert to catch similar problems 
earlier. Implicit bool -> int conversions are evil!

llvm-svn: 118651
 2010-11-09 23:42:07 +00:00
Rafael Espindola
a16ec0145e Revert previous patch. Missed a case. 
llvm-svn: 118645
 2010-11-09 22:54:38 +00:00
Rafael Espindola
5e39a6d951 Remove IsExplicit. It was always false. 
llvm-svn: 118639
 2010-11-09 22:37:44 +00:00
Rafael Espindola
877bb5ba4b Relax dwarf line fragments. This fixes a crash in the included testcase. 
llvm-svn: 118365
 2010-11-07 02:07:12 +00:00
Jim Grosbach
a98b9ba916 Add '.code 32' assembler directive to MC streamers. 
llvm-svn: 118309
 2010-11-05 22:40:09 +00:00
Jim Grosbach
bbef2c5fcc MC'ize the '.code 16' and '.thumb_func' ARM directives. 
llvm-svn: 118301
 2010-11-05 22:08:08 +00:00
Jim Grosbach
577ec1fe53 Trailing whitespace. 
llvm-svn: 118296
 2010-11-05 20:41:12 +00:00
Jim Grosbach
a85416eb77 Allow targets to specify the MachO CPUType/CPUSubtype information. 
llvm-svn: 118288
 2010-11-05 18:48:58 +00:00
Rafael Espindola
daf6328eb0 Do relaxations with FT_Org fragments. Fixes the FIXME: 
// FIXME: We should compute this sooner, we don't want to recurse here, and
    // we would like to be more functional.

In MCAssembler::ComputeFragmentSize.

llvm-svn: 118080
 2010-11-02 21:38:23 +00:00
Rafael Espindola
1db6a21aff Add support for expressions in .sleb/.uleb directives. 
llvm-svn: 118023
 2010-11-02 17:22:24 +00:00
Rafael Espindola
5571ce5ed4 Move EmitInstruction to MCObjectStreamer so that ELF and MachO can share it. 
llvm-svn: 117925
 2010-11-01 16:27:31 +00:00
Rafael Espindola
7a38cb0144 Implement .weakref. 
llvm-svn: 117911
 2010-11-01 14:28:48 +00:00
Rafael Espindola
1d1ff5485c Implement TLSLD. 
llvm-svn: 117547
 2010-10-28 15:02:40 +00:00
Rafael Espindola
8372247e83 Implement DTPOFF. 
llvm-svn: 117546
 2010-10-28 14:48:59 +00:00
Rafael Espindola
c44c5b374a Implement TLSLDM. 
llvm-svn: 117544
 2010-10-28 14:37:09 +00:00
Rafael Espindola
d8ef67f8b9 Implement VK_GOTNTPOFF and switch RelocNeedsGOT to use VariantKind. 
llvm-svn: 117543
 2010-10-28 14:22:44 +00:00
Wesley Peck
488027efa3 Making the e_machine configurable by the target backend in ELFObjectWriter. 
llvm-svn: 117099
 2010-10-22 15:52:49 +00:00
Chandler Carruth
755dd8000d Move the definition of this to the source file to anchor the vtable. 
llvm-svn: 116779
 2010-10-19 00:37:30 +00:00
Chandler Carruth
524faec5da Add a virtual destructor to silence a GCC warning. 
llvm-svn: 116766
 2010-10-18 23:18:51 +00:00
Rafael Espindola
be5c52d2dc Add a MCObjectFormat class so that code common to all targets that use a 
single object format can be shared.

This also adds support for

mov zed+(bar-foo), %eax

on ELF and COFF targets.

llvm-svn: 116675
 2010-10-16 18:23:53 +00:00
Jim Grosbach
d18b416075 Comment grammar tweakage. 
llvm-svn: 116322
 2010-10-12 18:11:41 +00:00
Jason W Kim
59375bae75 Second set of ARM/MC/ELF changes. 
Added ARM specific ELF section types.
Added AttributesSection to ARMElfTargetObject
First step in unifying .cpu assembly tag with ELF/.o
llc now asserts on actual ELF emission on -filetype=obj :-)

llvm-svn: 116257
 2010-10-11 23:01:44 +00:00
Chris Lattner
c9709f154d Per discussion with Sanjiv, remove the PIC16 target from mainline. When/if 
it comes back, it will be largely a rewrite, so keeping the old codebase
in tree isn't helping anyone.

llvm-svn: 116190
 2010-10-11 05:44:40 +00:00
Jim Grosbach
b328f0ab04 Allow << streaming of MCOperand. 
llvm-svn: 116107
 2010-10-08 21:36:13 +00:00
Jim Grosbach
ea4028ac17 Add output stream operator for MCInst. 
llvm-svn: 115974
 2010-10-07 20:38:37 +00:00
Michael J. Spencer
820fe774b4 Cleanup Whitespace. 
llvm-svn: 115829
 2010-10-06 20:36:38 +00:00
Rafael Espindola
5f53528867 On ELF we need to know which symbols are used in relocations to decide if 
they should be in the symbol table or not. Instead of "guessing", just compute
the symbol table after the relocations are known.

llvm-svn: 115619
 2010-10-05 15:11:03 +00:00
Kevin Enderby
01b93a4319 Incorporate suggestions by Daniel Dunbar after his review. Thanks Daniel! 
1) Changed ValidateDwarfFileNumber() to isValidDwarfFileNumber() to be better
   named.  Since it is just a predicate and isn't actually changing any state.

2) Added a missing return in the comments for setCurrentDwarfLoc() in 
   include/llvm/MC/MCContext.h for fix formatting.

3) Changed clearDwarfLocSeen() to ClearDwarfLocSeen() since it does change
   state.

4) Simplified the last test in isValidDwarfFileNumber() to just a one line
   boolean test of MCDwarfFiles[FileNumber] != 0 for the final return statement.

llvm-svn: 115551
 2010-10-04 20:17:24 +00:00
Jan Wen Voung
9c76bbf90a Add hook in MCSection to decide when to use "optimized nops", for each 
section kind. Previously, optimized nops were only used for MachO.
Also added tests for ELF and COFF.

llvm-svn: 115523
 2010-10-04 17:32:41 +00:00
Kevin Enderby
f3d8ed8368 Did my commit for the last patch for the .loc directory from the wrong place and 
missed a bunch of files.  Here the rest.  Sorry about that.

llvm-svn: 115173
 2010-09-30 17:16:09 +00:00
Jan Wen Voung
7df9bf0092 Move logic of determining ELF entsize from the .s printer to initialization 
time. That way, the EntrySize field is initialized for other code paths, 
namely, the .ll -> .o code path.

llvm-svn: 115141
 2010-09-30 05:59:22 +00:00
Jason W Kim
7822e6aab5 Tiny patch for proof-of-concept cleanup of ARMAsmPrinter::EmitStartOfAsmFile() 
Small test for sanity check of resulting ARM .s file.
Tested against -r115129.

llvm-svn: 115133
 2010-09-30 02:45:56 +00:00
Rafael Espindola
3e2630deca Make it possible for the MCObjectWriter to decide if a given fixup is fully 
resolved or not. Different object files have different restrictions and
different native assemblers have different idiosyncrasies we want to emulate
for now.

Move the existing MachO logic to the new place and implement an ELF one that
gets fixups to globals right.

llvm-svn: 115131
 2010-09-30 02:22:20 +00:00
Daniel Dunbar
7179426193 MC/AsmParser: Handle exponents in floating point literals. 
llvm-svn: 114861
 2010-09-27 20:12:52 +00:00
Rafael Espindola
843df9bbed Remove unused argument. 
llvm-svn: 114852
 2010-09-27 18:13:03 +00:00
Daniel Dunbar
eacb42cfee MC/Lexer: Add 'Real' token type for floating point literals. 
llvm-svn: 114718
 2010-09-24 01:59:31 +00:00
Jim Grosbach
ed295d62f5 trailing whitespace 
llvm-svn: 114680
 2010-09-23 18:07:04 +00:00
Jim Grosbach
d8735f1db1 Add support for ELF PLT references for ARM MC asm printing. Adding a 
new VariantKind to the MCSymbolExpr seems like overkill, but I'm not sure
there's a more straightforward way to get the printing difference captured.
(i.e., x86 uses @PLT, ARM uses (PLT)).

llvm-svn: 114613
 2010-09-22 23:27:36 +00:00
Rafael Espindola
3cfff6e0c5 Avoid some Mach-O specific alignment being done on ELF. 
llvm-svn: 114594
 2010-09-22 22:27:05 +00:00
Chris Lattner
04d9e1641f allow target-specific label suffixes, patch by Yuri Gribov! 
llvm-svn: 114592
 2010-09-22 22:19:53 +00:00
Jim Grosbach
134c3370ef trailing whitespace 
llvm-svn: 114211
 2010-09-17 21:23:56 +00:00
Jim Grosbach
d7aec03bb1 make this non brain dead... 
llvm-svn: 114100
 2010-09-16 17:48:08 +00:00
Jim Grosbach
de7a4b08ad Remove unnecessary by-reference return. 
llvm-svn: 114099
 2010-09-16 17:45:21 +00:00
Jim Grosbach
1c3e1420e1 store MC FP immediates as a double instead of as an APFloat, thus avoiding an 
unnecessary dtor for MCOperand.

llvm-svn: 114064
 2010-09-16 03:45:21 +00:00
Rafael Espindola
8a987c002e Add a InitSections method to the streamer interface. 
The ELF implementation now creates text, data and bss to match the gnu as
behavior.

The text streamer still has the old MachO specific behavior since
the testsuite checks that it will error when a directive is given
before a setting the current section for example.

A nice benefit is that -n is not required anymore when producing
ELF files.

llvm-svn: 114027
 2010-09-15 21:48:40 +00:00
Jim Grosbach
62fb975e6e Add support for floating point immediates to MC instruction printing. ARM 
VFP instructions use it for loading some constants, so implement that
handling.

Not thrilled with adding a member to MCOperand, but not sure there's much of
a better option that's not pretty fragile (like putting a double in the
union instead and just assuming that's good enough). Suggestions welcome...

llvm-svn: 113996
 2010-09-15 18:47:08 +00:00
Jim Grosbach
b72d8c744a trailing whitespace and 80 column cleanup 
llvm-svn: 113977
 2010-09-15 16:24:01 +00:00