8be14414f6
Added support for the Mach-O .symbol_resolver directive. rdar://8673046
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llvm-svn: 119816
2010-11-19 18:39:33 +00:00
b58867ccba
Change some methods in MCDwarf.cpp to be able to handle an arbitrary
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MCStreamer instead of just MCObjectStreamer. Address changes cannot
be as efficient as we have to use DW_LNE_set_addres, but at least
most of the logic is shared.
This will be used so that, with CodeGen still using EmitDwarfLocDirective,
llvm-gcc is able to produce debug_line sections without needing an
assembler that supports .loc.
llvm-svn: 119777
2010-11-19 02:26:16 +00:00
c653a895c8
Add .loc methods to the streamer.
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Next: Add support for the !HasDotLocAndDotFile case to the MCAsmStreamer
and then switch codegen to use it.
llvm-svn: 119384
2010-11-16 21:20:32 +00:00
8c3039b67b
Change MCExpr::EvaluateAsRelocatableImpl of variables to return the original
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variable if recursing fails to simplify it.
Factor AliasedSymbol to be a method of MCSymbol.
Update MCAssembler::EvaluateFixup to match the change in
EvaluateAsRelocatableImpl.
Remove the WeakRefExpr hack, as the object writer now sees the weakref with
no extra effort needed.
Nothing else is using MCTargetExpr, but keep it for now.
Now that the ELF writer sees relocations with aliases, handle
.weak foo2
foo2:
.weak bar2
.set bar2,foo2
.quad bar2
the same way gas does and produce a relocation with bar2.
llvm-svn: 119152
2010-11-15 16:33:49 +00:00
a7d0bed336
Fix another case of a .comm directive without a corresponding .type
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directive.
llvm-svn: 119073
2010-11-14 21:11:16 +00:00
b05ef7377a
Fix the type of a symbol created with .comm and no corresponding .type.
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llvm-svn: 119060
2010-11-14 19:40:55 +00:00
7d0ba3464e
Handle a peculiar comdat case: Creating a section with an undefined
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signature symbol causes a local symbol to be created unless there is
some other use of the symbol.
llvm-svn: 119026
2010-11-14 04:17:37 +00:00
eba9022652
Fix warning.
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llvm-svn: 119021
2010-11-14 01:34:31 +00:00
84d031870c
Mark labels declared in tls sections as STT_TLS. This matches the behavior of
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gas.
llvm-svn: 118818
2010-11-11 19:04:55 +00:00
cbdf7efe1c
Add '.code 32' assembler directive to MC streamers.
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llvm-svn: 118309
2010-11-05 22:40:09 +00:00
5a2c68d308
MC'ize the '.code 16' and '.thumb_func' ARM directives.
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llvm-svn: 118301
2010-11-05 22:08:08 +00:00
80bb80f5fc
Put class into an anonymous namespace.
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llvm-svn: 118294
2010-11-05 19:56:38 +00:00
13ddd6d410
Write the line info to .debug_line.
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llvm-svn: 117930
2010-11-01 17:07:14 +00:00
72b5488680
Move EmitInstruction to MCObjectStreamer so that ELF and MachO can share it.
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llvm-svn: 117925
2010-11-01 16:27:31 +00:00
1614597873
Implement .weakref.
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llvm-svn: 117911
2010-11-01 14:28:48 +00:00
83b2a3337f
Make sure weak symbols are listed after the local ones.
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llvm-svn: 115795
2010-10-06 16:47:31 +00:00
bce26a1ee0
On ELF we need to know which symbols are used in relocations to decide if
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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
645f6c2bef
Tiny patch for proof-of-concept cleanup of ARMAsmPrinter::EmitStartOfAsmFile()
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Small test for sanity check of resulting ARM .s file.
Tested against -r115129.
llvm-svn: 115133
2010-09-30 02:45:56 +00:00
53f0bf194a
Move "local commons" to the end of .bss to match the gnu as behavior.
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llvm-svn: 115037
2010-09-29 14:52:01 +00:00
75d65b9a03
Move ELF to HasReliableSymbolDifference=true. Also take the opportunity to put
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symbols defined in merge sections in independent atoms.
llvm-svn: 114786
2010-09-25 05:42:19 +00:00
dee12d8110
Avoid some Mach-O specific alignment being done on ELF.
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llvm-svn: 114594
2010-09-22 22:27:05 +00:00
9bac6cb544
Correctly align bss.
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llvm-svn: 114556
2010-09-22 17:43:04 +00:00
f0591c1642
Implement support for .local and its "interesting" interactions with .comm.
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llvm-svn: 114382
2010-09-21 00:24:38 +00:00
f667d929ce
Add a InitSections method to the streamer interface.
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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
9fd2ed9243
Factoring and potential bug fix. The elf "flags" cannot be used as masks.
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For example, setting STT_OBJECT (1) and STT_FUNC (2), should not produce
a STT_SECTION (3).
llvm-svn: 113759
2010-09-13 17:39:45 +00:00
2ef1a589c5
ELF_STB_Local is 0 so setting and checking it must be done specially
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llvm-svn: 113375
2010-09-08 18:08:40 +00:00
5af02b0360
Allow MCSA_WeakRef in ELF. Patch by Roman Divacky.
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llvm-svn: 112834
2010-09-02 17:18:32 +00:00
6ebea89316
Mark all common symbols external. This is not exactly correct but it lets apps
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link for now and can be adjusted later. Patch by Roman Divacky.
llvm-svn: 112471
2010-08-30 11:56:55 +00:00
1f6012479f
MCELF: Port EmitInstruction changes from MachO streamer. Patch by Roman Divacky.
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llvm-svn: 112260
2010-08-27 10:40:51 +00:00
b20b5249d2
Fix a few warnings in and detabify MCELFStreamer and ELFObjectWriter.
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llvm-svn: 111175
2010-08-16 19:15:06 +00:00
6c1ad4835e
Add ELF ObjectWriter and Streamer support.
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I forgot to add these files in commit 111172.
llvm-svn: 111174
2010-08-16 18:57:57 +00:00
Kevin Enderby