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188 Commits

Author SHA1 Message Date
Chris Lattner
e339d60351 mc'ize some stuff, don't comment out .lcomm directive in -fverbose-asm mode. 
llvm-svn: 93860
 2010-01-19 06:01:04 +00:00
Chris Lattner
f0edf967c7 hookize the cygwin ".linkonce" directive. 
llvm-svn: 93855
 2010-01-19 05:08:13 +00:00
Chris Lattner
7351e3a364 add a bool for whether .lcomm takes an alignment instead of basing this on "isdarwin". 
llvm-svn: 93852
 2010-01-19 04:48:20 +00:00
Chris Lattner
3821a5f168 move production of .reference directives for static ctor/dtor list on 
darwin into common code.

llvm-svn: 93849
 2010-01-19 04:34:02 +00:00
Chris Lattner
816fcd1287 Cleanup handling of .zerofill on darwin: 
1. TargetLoweringObjectFileMachO should decide if something
   goes in zerofill instead of having every target do it.
2. TargetLoweringObjectFileMachO should assign said symbols to
   the right MCSection, the asmprinters should just emit to the
   right section.
3. Since all zerofill stuff goes through mcstreamer anymore,
   MAI can have a bool "haszerofill" instead of having the textual
   directive to emit.

llvm-svn: 93838
 2010-01-19 02:09:44 +00:00
Nate Begeman
3c96073ce7 Remove this fixme, looking at the linker source, all targets pad to 4 bytes. 
llvm-svn: 93835
 2010-01-19 01:32:44 +00:00
Chris Lattner
86287085ba remove the MAI argument to MCExpr::print and switch overthing to use << when printing them. 
llvm-svn: 93699
 2010-01-18 00:37:40 +00:00
Chris Lattner
6f360c3c91 now that MCSymbol::print doesn't use it's MAI argument, we can 
remove it and change all the code that prints MCSymbols to use 
<< instead, which is much simpler and cleaner.

llvm-svn: 93695
 2010-01-17 21:43:43 +00:00
Chris Lattner
bd2eeabe74 rename NameNeedsEscaping -> NameNeedsQuoting, eliminate the check 
for first character which is a digit, mangler would have taken care
of this already.

llvm-svn: 93694
 2010-01-17 20:11:03 +00:00
Chris Lattner
f7c6508544 Get MCSymbol out of the mangling business, and move all the logic 
to Mangler.  Now MCSymbol just decides whether to slap quotes around
a symbol when printing it.

This also fixes some weirdness where two MCSymbols could be created
for the same symbol, if one needed to be mangled and got mangled to
the other one.

llvm-svn: 93690
 2010-01-17 19:23:46 +00:00
Nate Begeman
04da97bd5e Add a note for the macho streamer and remove a used of the mangler from the soon to be defunct machowriter pass. 
llvm-svn: 93670
 2010-01-17 03:49:01 +00:00
Chris Lattner
493580bb5c unbreak the build, grr symlinks. 
llvm-svn: 93539
 2010-01-15 19:51:05 +00:00
Chris Lattner
836cf5d129 extend MCAsmParser::ParseExpression and ParseParenExpression 
to return range information for subexpressions.  Use this to
provide range info for several new X86Operands.

llvm-svn: 93534
 2010-01-15 19:28:38 +00:00
Chris Lattner
c073f1009a tidy 
llvm-svn: 93352
 2010-01-13 21:21:29 +00:00
Chris Lattner
9498bee8a3 expose a static function as a static method on the MCSymbol class. 
llvm-svn: 93350
 2010-01-13 21:09:59 +00:00
David Greene
ed1e2c4453 Change errs() to dbgs(). 
llvm-svn: 92635
 2010-01-05 01:28:22 +00:00
David Greene
d4ba9148d2 Change errs() to dbgs(). 
llvm-svn: 92634
 2010-01-05 01:28:17 +00:00
David Greene
b0b06156ab Change errs() to dbgs(). 
llvm-svn: 92632
 2010-01-05 01:28:10 +00:00
David Greene
718ca3f5b6 Change errs() to dbgs(). 
llvm-svn: 92630
 2010-01-05 01:28:07 +00:00
Daniel Dunbar
4daaf9d3f4 Pass StringRef by value. 
llvm-svn: 86251
 2009-11-06 10:58:06 +00:00
Chandler Carruth
766362c707 Move DataTypes.h to include/llvm/System, update all users. This breaks the last 
direct inclusion edge from System to Support.

llvm-svn: 85086
 2009-10-26 01:35:46 +00:00
Chris Lattner
df848440d1 add a twine version of MCContext::GetOrCreateSymbol. 
llvm-svn: 84561
 2009-10-19 22:49:00 +00:00
Daniel Dunbar
2be596c127 MC: Set symbol values in MachO MCStreamer. 
llvm-svn: 84236
 2009-10-16 01:58:23 +00:00
Daniel Dunbar
4943610506 Minor formatting tweaks. 
llvm-svn: 84235
 2009-10-16 01:58:15 +00:00
Daniel Dunbar
0df659c00b MC: Switch assembler API to using MCExpr instead of MCValue. 
llvm-svn: 84234
 2009-10-16 01:58:03 +00:00
Daniel Dunbar
022b59a0b5 MC: Remove unneeded context argument to MCExpr::Evaluate*. 
llvm-svn: 84233
 2009-10-16 01:57:52 +00:00
Daniel Dunbar
af3162e523 MC: Tweak variable assignment diagnostics, and make reassignment of non-absolute 
variables and symbols invalid.

llvm-svn: 84232
 2009-10-16 01:57:39 +00:00
Daniel Dunbar
a4df6e46a4 MC: When parsing a variable reference, substitute absolute variables immediately 
since they are allowed to be redefined.

llvm-svn: 84230
 2009-10-16 01:34:54 +00:00
Daniel Dunbar
6b7edc035b MC: Move assembler variable values from MCContext to MCSymbol. 
llvm-svn: 84229
 2009-10-16 01:33:57 +00:00
Daniel Dunbar
c5165c4258 MC: Switch MCContext value table to storing MCExprs. 
llvm-svn: 84228
 2009-10-16 01:33:11 +00:00
Kevin Enderby
ef201aaa04 Fixed MCSectionMachO::ParseSectionSpecifier to allow an attribute of "none" so 
that a symbol stub section with no attributes can be parsed as in:
.section __TEXT,__picsymbolstub4,symbol_stubs,none,16

llvm-svn: 83488
 2009-10-07 20:57:20 +00:00
Edward O'Callaghan
8b7189e234 No newline at end of files. 
llvm-svn: 83318
 2009-10-05 18:43:19 +00:00
Chris Lattner
fd910fd2f7 eliminate a use of strtoul. 
llvm-svn: 82382
 2009-09-20 06:58:54 +00:00
Anton Korobeynikov
fb7ac49d96 Allow symbols to start from the digit if target requests it. This allows, e.g. pinning 
variables to specified absolute address. Make use of this feature for MSP430.
This unbreaks PR4776.

llvm-svn: 82227
 2009-09-18 16:57:42 +00:00
Chris Lattner
7b52d90c9e Big change #1 for personality function references: 
Eliminate the PersonalityPrefix/Suffix & NeedsIndirectEncoding
fields from MAI: they aren't part of the asm syntax, they are
related to the structure of the object file.

To replace their functionality, add a new 
TLOF::getSymbolForDwarfGlobalReference method which asks targets
to decide how to reference a global from EH in a pc-relative way.

The default implementation just returns the symbol.  The default
darwin implementation references the symbol through an indirect
$non_lazy_ptr stub.  The bizarro x86-64 darwin specialization
handles the weird "foo@GOTPCREL+4" hack.

DwarfException.cpp now uses this to emit the reference to the
symbol in the right way, and this also eliminates another 
horrible hack from DwarfException.cpp:

-    if (strcmp(MAI->getPersonalitySuffix(), "+4@GOTPCREL"))
-      O << "-" << MAI->getPCSymbol();

llvm-svn: 81991
 2009-09-16 01:46:41 +00:00
Chris Lattner
006af669b4 add a helper method for creating MCSymbol and MCSymbolRefExpr at 
the same time.

llvm-svn: 81984
 2009-09-16 01:26:31 +00:00
Chris Lattner
249d5fe8b9 remove some horrible MAI hooks which fortunately turn out to be always empty. 
llvm-svn: 81946
 2009-09-15 23:11:32 +00:00
Daniel Dunbar
d729752a24 Update CMake. 
llvm-svn: 81757
 2009-09-14 05:22:47 +00:00
Chris Lattner
4a33f01892 Change MCAsmStreamer to take an MCInstPrinter instead of a 
full AsmPrinter, and change TargetRegistry to keep track
of registered MCInstPrinters.

llvm-mc is still linking in the entire
target foo to get the code emitter stuff, but this is an
important step in the right direction.

llvm-svn: 81754
 2009-09-14 03:02:37 +00:00
Chris Lattner
27a850eb70 add a new MCInstPrinter class, move the (trivial) MCDisassmbler ctor inline. 
llvm-svn: 81745
 2009-09-14 01:43:38 +00:00
Chris Lattner
8724d994d0 'printMCInst' doesn't print newlines after instructions anymore. 
llvm-svn: 81723
 2009-09-13 22:24:34 +00:00
Chris Lattner
cb05a87447 remove MAI::JumpTableSpecialLabelPrefix now that MAI 
has real information about linker private linkage.

llvm-svn: 81695
 2009-09-13 19:02:16 +00:00
Chris Lattner
89e5731659 fix MCSymbol printing on darwin to exactly match the mangler (handling of \n and " in a symbol name). 
llvm-svn: 81683
 2009-09-13 18:11:09 +00:00
Chris Lattner
e26af94cd4 Make the MC symbol printer and llvm::Mangler exactly agree on mangling 
for systems that don't support quoting (PR4966).

llvm-svn: 81682
 2009-09-13 18:04:46 +00:00
Chris Lattner
53cca8590c eliminate the "MBBLabel" MCOperand type, and just use a MCSymbol for 
MBB labels like everything else.

llvm-svn: 81628
 2009-09-12 20:45:03 +00:00
Ted Kremenek
e98d47cdfe Update CMake files. 
llvm-svn: 81577
 2009-09-11 21:49:45 +00:00
Chris Lattner
9975e8e31a canonicalize namespace gymnastics 
llvm-svn: 81402
 2009-09-09 23:46:42 +00:00
Sean Callanan
7b789f8cba Added an abstract superclass, MCDisassembler, for 
all disassemblers.

Modified the MemoryObject to support 64-bit address
spaces, regardless of the LLVM process's address
width.

Modified the Target class to allow extraction of a
MCDisassembler.

llvm-svn: 81392
 2009-09-09 22:49:13 +00:00
Chris Lattner
3b44c382d3 allow @ in symbol names without quoting the identifier. This 
allows things like @PLT without quotes.

llvm-svn: 81296
 2009-09-09 00:14:09 +00:00
Chris Lattner
77fdd07c93 parenthesize symbol names that start with $, fixing X86/dollar-name.ll with 
the new asmprinter.

llvm-svn: 81269
 2009-09-08 23:20:50 +00:00