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58 Commits

Author SHA1 Message Date
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
4ab9414b7c add a new DirectiveMap stringmap, which allows more efficient dispatching 
to directive handlers and allows for easier extensibility.

I only switched a few over for now.

llvm-svn: 82926
 2009-09-27 21:16:52 +00:00
Daniel Dunbar
bae4e52bd0 MC: Give target specific parsers access to the MCStreamer. 
llvm-svn: 81416
 2009-09-10 00:59:15 +00:00
Kevin Enderby
f697ad5e30 Added the AsmToken::Hash enum constant to MCAsmLexer.h in preparation of 
supporting other targets.  Changed the code to pass MCAsmInfo to the parser
and the lexer.  Then changed the lexer to use CommentString from MCAsmInfo
instead of a literal '#' character.

llvm-svn: 81046
 2009-09-04 21:45:34 +00:00
Daniel Dunbar
b897e807c4 llvm-mc: Simplify EmitAssignment ('.set' is identical to '='). 
llvm-svn: 80577
 2009-08-31 08:09:09 +00:00
Daniel Dunbar
11035eeb11 llvm-mc: Remove MCAsmParser::Parse[Paren]RelocatableExpression. 
llvm-svn: 80576
 2009-08-31 08:08:50 +00:00
Daniel Dunbar
5fbaad8079 llvm-mc: Add MCAsmParser::Parse[Paren]Expression forms which return an MCExpr. 
llvm-svn: 80574
 2009-08-31 08:08:17 +00:00
Daniel Dunbar
22505125c8 llvm-mc: Add MCAsmParser::getContext. 
llvm-svn: 80571
 2009-08-31 08:07:44 +00:00
Daniel Dunbar
053a5f22a0 llvm-mc: Switch MCExpr construction to using static member functions, and taking the MCContext (which now owns all MCExprs). 
llvm-svn: 80569
 2009-08-31 08:07:22 +00:00
Daniel Dunbar
b882c70ff2 llvm-mc: Move AsmExpr into MC lib (as MCExpr). 
llvm-svn: 80567
 2009-08-31 08:06:59 +00:00
Daniel Dunbar
f2e919b79e llvm-mc/Mach-O: Unique sections properly, so we don't get duplicate text 
sections, etc.
 - The quick and dirty way, just clone the TargetLoweringObjectFile
   code. Eventually this should be shared... somehow.

llvm-svn: 80168
 2009-08-26 22:49:51 +00:00
Daniel Dunbar
1f70368155 llvm-mc/Mach-O: Don't put assembler temporary labels in the symbol table. 
- I moved section creation back into AsmParser. I think policy decisions like
   this should be pushed higher, not lower, when possible (in addition the
   assembler has flags which change this behavior, for example).

llvm-svn: 80162
 2009-08-26 22:13:22 +00:00
Daniel Dunbar
d59019f7c8 llvm-mc: Various section parsing fixes. 
- Add missing flags for various Objective-C sections.

 - Fix names for [non_]lazy_symbol_pointer (these are misspelled in the manual).

 - .symbol_stub does not have the self modifying code flag set (this appears to
   be wrong in the manual?).

 - Add implicit alignment values; not yet used.

Also, call MCStreamer::Finish at the end of a successful parse.

llvm-svn: 79611
 2009-08-21 08:34:18 +00:00
Daniel Dunbar
4990c2b03d llvm-mc: Support escaped characters in string literals (for .ascii and .asciz) 
llvm-svn: 79010
 2009-08-14 18:19:52 +00:00
Daniel Dunbar
9c03cc13de llvm-mc: Sketch parsing for .file, .line, and .loc. No streamer hooks for these 
yet (I'm not even sure what they do).

llvm-svn: 78639
 2009-08-11 04:24:50 +00:00
Chris Lattner
cc70d578be Make the big switch: Change MCSectionMachO to represent a section *semantically* 
instead of syntactically as a string.  This means that it keeps track of the 
segment, section, flags, etc directly and asmprints them in the right format.
This also includes parsing and validation support for llvm-mc and 
"attribute(section)", so we should now start getting errors about invalid 
section attributes from the compiler instead of the assembler on darwin.

Still todo: 
1) Uniquing of darwin mcsections
2) Move all the Darwin stuff out to MCSectionMachO.[cpp|h]
3) there are a few FIXMEs, for example what is the syntax to get the
   S_GB_ZEROFILL segment type?

llvm-svn: 78547
 2009-08-10 01:39:42 +00:00
Kevin Enderby
dd20299f97 Added Mac OS X assembler style conditional assembly. I may come back and see if 
I can clean this up a bit more and do way with the TheCondState and just use
the top element on the TheCondStack if not empty.  Also may tweak the code
around ParseConditionalAssemblyDirectives() to simplify the AsmParser code.

llvm-svn: 78423
 2009-08-07 22:46:00 +00:00
Daniel Dunbar
7fd7e31119 llvm-mc: More quoted identifier support. 
llvm-svn: 77761
 2009-08-01 00:48:30 +00:00
Daniel Dunbar
4ed0e9b76c Move X86 instruction parsing into X86/AsmParser. 
llvm-svn: 77384
 2009-07-28 22:40:46 +00:00
Daniel Dunbar
ec1ea2e240 Make expression parsing and error/warning reporting available through the 
generic MCAsmParser interface.

llvm-svn: 77381
 2009-07-28 22:22:31 +00:00
Daniel Dunbar
d0d6b26e87 Provide generic MCAsmParser when constructing target specific parsers. 
llvm-svn: 77362
 2009-07-28 20:47:52 +00:00
Daniel Dunbar
3edfc4bb16 llvm-mc: Implement .abort fully in the front end 
llvm-svn: 77272
 2009-07-27 23:20:52 +00:00
Daniel Dunbar
5f73e9d3f8 llvm-mc: Move AsmLexer::getCurStrVal to StringRef based API. 
- My DFS traversal of LLVM is, at least for now, nearly complete! :)

llvm-svn: 77258
 2009-07-27 21:49:56 +00:00
Kevin Enderby
f1c0daa6a7 Removed the DumpSymbolsandMacros and LoadSymbolsandMacros MCStreamer API as 
the parsing of the .dump and .load should be done in the assembly parser and
not have any need for an MCStreamer API.  Changed the code for now so these
just produce an error saying these specific directives are not yet implemented
since they are likely no longer used and may never need to be implemented.

llvm-svn: 76462
 2009-07-20 20:25:37 +00:00
Daniel Dunbar
2e4aeceacd Add MCAsmLexer interface. 
- This provides the AsmLexer interface to the target specific assembly parsers.

llvm-svn: 76460
 2009-07-20 20:01:54 +00:00
Daniel Dunbar
fca75cd98e Add MCAsmParser interface. 
- This provides the AsmParser interface to the target specific assembly
   parsers.

llvm-svn: 76453
 2009-07-20 18:55:04 +00:00
Kevin Enderby
312f8559cb Added llvm-mc support for parsing the .dump and .load directives. 
llvm-svn: 75786
 2009-07-15 15:30:11 +00:00
Kevin Enderby
3e47cf1dda Added llvm-mc support for parsing the .include directive. 
llvm-svn: 75711
 2009-07-14 23:21:55 +00:00
Kevin Enderby
5821cee99b Added llvm-mc support for parsing the .lsym directive. 
llvm-svn: 75685
 2009-07-14 21:35:03 +00:00
Kevin Enderby
0b1331c43b Added llvm-mc support for parsing the .desc directive. 
llvm-svn: 75645
 2009-07-14 18:17:10 +00:00
Kevin Enderby
af095fcfb8 Added llvm-mc support for parsing the .abort directive. 
llvm-svn: 75545
 2009-07-13 23:15:14 +00:00
Kevin Enderby
a461788d6a add llvm-mc support for parsing the .subsections_via_symbols directive. 
llvm-svn: 75500
 2009-07-13 21:03:15 +00:00
Chris Lattner
84bf9fed2b add support for .zerofill, patch by Kevin Enderby! 
llvm-svn: 75301
 2009-07-10 22:20:30 +00:00
Chris Lattner
56638bb644 add llvm-mc support for parsing the .lcomm directive, patch by Kevin Enderby! 
llvm-svn: 75148
 2009-07-09 17:25:12 +00:00
Chris Lattner
2bea79b45b Implement parsing support for the .comm directive. Patch by 
Kevin Enderby!

llvm-svn: 74944
 2009-07-07 20:30:46 +00:00
Daniel Dunbar
b87d6f328e llvm-mc/x86: Fix bug in disambiguation of displacement operand, introduced by me 
(I think).
 - We weren't properly parsing the leading parenthesized expression in something
   like 'push (4)(%eax)'.
 
 - Added ParseParenRelocatableExpression to support this. I suspect we should
   just use lookahead, though.

 - Test case to follow.

llvm-svn: 74685
 2009-07-02 02:09:07 +00:00
Daniel Dunbar
ffbf6228a2 llvm-mc/x86: Factor out ParseX86Register. 
llvm-svn: 74684
 2009-07-02 01:58:24 +00:00
Daniel Dunbar
cae97fa7a9 llvm-mc: Introduce method to match a parsed x86 instruction into an MCInst. 
llvm-svn: 74573
 2009-06-30 23:38:38 +00:00
Daniel Dunbar
c3cac19cfe llvm-mc: Evaluation for relocatable expressions. 
llvm-svn: 74496
 2009-06-30 01:49:52 +00:00
Daniel Dunbar
5bec168037 Normalize SourceMgr messages. 
- Don't print "Parsing" in front of every message.

 - Take additional "type" argument which is prepended to the message (with ": ")
   if given.

 - Update clients to print errors (warnings) as:
<filename>:<line number>: error(warning): ...

llvm-svn: 74489
 2009-06-30 00:49:23 +00:00
Daniel Dunbar
e4fd18eda8 llvm-mc: Parse symbol attribute directives. 
llvm-svn: 74487
 2009-06-30 00:33:19 +00:00
Daniel Dunbar
72c0434597 llvm-mc: Parse .{,b,p2}align{,w,l} directives. 
llvm-svn: 74478
 2009-06-29 23:46:59 +00:00
Daniel Dunbar
ade4f03bd0 MC: Improve expression parsing and implement evaluation of absolute expressions. 
llvm-svn: 74448
 2009-06-29 20:37:27 +00:00
Daniel Dunbar
bfc585a86e MC: Parse .org directives. 
llvm-svn: 74218
 2009-06-25 22:44:51 +00:00
Daniel Dunbar
d7a883b5e5 MC: Parse .set and assignments. 
llvm-svn: 74208
 2009-06-25 21:56:11 +00:00
Daniel Dunbar
5cf59dd842 Basic .s parsing for .asci[iz], .fill, .space, {.byte, .short, ... } 
- Includes some DG tests in test/MC/AsmParser, which are rather primitive since
   we don't have a -verify mode yet.

llvm-svn: 74139
 2009-06-24 23:30:00 +00:00
Chris Lattner
f8a7746988 implement a bunch of synonyms for section switching. 
llvm-svn: 74062
 2009-06-24 05:13:15 +00:00
Chris Lattner
0945d20ceb add support for parsing and emitting .section directives. We can now parse 
things like:
.section __TEXT,__cstring,cstring_literals

llvm-svn: 74058
 2009-06-24 04:43:34 +00:00
Chris Lattner
61a6509f6a add trivial support for passing label definitions through the MCStreamer. 
This is suboptimal in several aspects, see the commented out assertion.
I need to talk to Daniel about this.

llvm-svn: 74057
 2009-06-24 04:31:49 +00:00
Chris Lattner
f76b48bc93 create an MCStreamer and provide it to AsmParser. 
llvm-svn: 74039
 2009-06-24 00:52:40 +00:00