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172 Commits

Author SHA1 Message Date
Daniel Dunbar
2330df6b66 llvm-mc: Improve handling of implicit alignment for magic section directives 
(e.g., .objc_message_refs).
 - Just emit a .align when we see the directive; this isn't exactly what 'as'
   does but in practice it should be ok, at least for now. See FIXME.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79697 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-21 23:30:15 +00:00
Daniel Dunbar
0afb9f5ac2 llvm-mc: In a .fill directive, still honor .align even if invalid maximum bytes 
count is given (this matches 'as').


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79683 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-21 23:01:53 +00:00
Daniel Dunbar
bc38ca7321 llvm-mc: Accept .fill size of 8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79635 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-21 15:43:35 +00:00
Daniel Dunbar
fb4a6b3976 llvm-mc: Start MCAssembler and MCMachOStreamer. 
- Together these form the (Mach-O) back end of the assembler.

 - MCAssembler is the actual assembler backend, which is designed to have a
   reasonable API. This will eventually grow to support multiple object file
   implementations, but for now its Mach-O/i386 only.

 - MCMachOStreamer adapts the MCStreamer "actions" API to the MCAssembler API,
   e.g. converting the various directives into fragments, managing state like
   the current section, and so on.

 - llvm-mc will use the new backend via '-filetype=obj', which may eventually
   be, but is not yet, since I hear that people like assemblers which actually
   assemble.

 - The only thing that works at the moment is changing sections. For the time
   being I have a Python Mach-O dumping tool in test/scripts so this stuff can
   be easily tested, eventually I expect to replace this with a real LLVM tool.

 - More doxyments to come.

I assume that since this stuff doesn't touch any of the things which are part of
2.6 that it is ok to put this in not so long before the freeze, but if someone
objects let me know, I can pull it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79612 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-21 09:11:24 +00:00
Daniel Dunbar
b3f3c0387b 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79611 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-21 08:34:18 +00:00
Daniel Dunbar
32223d3098 Don't install llvm-mc by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79604 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-21 07:28:33 +00:00
Daniel Dunbar
12a8a447a4 Fix a commento. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79427 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-19 16:25:53 +00:00
Chris Lattner
f3ce009fcb give MCAsmStreamer a TargetAsmInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79222 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-17 04:23:44 +00:00
Daniel Dunbar
1ab7594946 llvm-mc: Support escaped characters in string literals (for .ascii and .asciz) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79010 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-14 18:19:52 +00:00
Daniel Dunbar
c22e0b2443 Update llvm-mc / MCAsmStreamer to print the instruction using the actual target 
specific printer (this only works on x86, for now).
 - This makes it possible to do some correctness checking of the parsing and
   matching, since we can compare the results of 'as' on the original input, to
   those of 'as' on the output from llvm-mc.

 - In theory, we could now have an easy ATT -> Intel syntax converter. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78986 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-14 03:48:55 +00:00
Daniel Dunbar
7b7f51425e llvm-mc: Move MCAsmToken::getLoc() into MC library where it belongs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78980 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-14 02:18:40 +00:00
Daniel Dunbar
b27a41b440 llvm-mc: Fix a crash on invalid due to a typo in relocatable expression 
evaluation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78692 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 17:47:52 +00:00
Daniel Dunbar
1e840b2c61 llvm-mc: Accept .word as a synonym for .short 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78641 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 04:44:00 +00:00
Daniel Dunbar
bfc0f34e34 llvm-mc: Honor -o option (and add -f). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78640 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 04:34:48 +00:00
Daniel Dunbar
d0c14d6913 llvm-mc: Sketch parsing for .file, .line, and .loc. No streamer hooks for these 
yet (I'm not even sure what they do).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78639 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 04:24:50 +00:00
Daniel Dunbar
ace63127bc llvm-mc: Fix darwin .section parsing. It was skipping the section name and a ',' 
(and outputting a diagnostic pointing at the wrong place), all of which lead to
much confusion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78637 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 03:42:33 +00:00
Chris Lattner
f9bdeddb96 split MachO section handling stuff out to its out .h/.cpp file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78576 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 18:15:01 +00:00
Chris Lattner
e15c2d7ce5 add a fixme 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78575 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 18:05:55 +00:00
Chris Lattner
ff4bc460c5 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?



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78547 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 01:39:42 +00:00
Chris Lattner
93b6db3de9 sink the 'name' and 'isdirective' state out of MCSection into its derived classes. 
This totally optimizes PIC16 sections by not having an 'isdirective' bit anymore!! ;-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78517 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-08 23:39:42 +00:00
Chris Lattner
0aac30195c switch this to create coff sections for now, it doesn't really matter for 
llvm-mc's purpose yet and we'll want to switch to creating semantic sections
at some point.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78509 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-08 22:38:48 +00:00
Benjamin Kramer
9a86159a20 Always initialize AsmConds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78463 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-08 11:26:50 +00:00
Kevin Enderby
c114ed711e 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78423 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-07 22:46:00 +00:00
Daniel Dunbar
4bd03abe59 Remove now unused arguments from TargetRegistry::lookupTarget. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77950 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-03 04:20:57 +00:00
Chris Lattner
1ef9be2883 Make SectionKind::get() private. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77835 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-02 00:02:44 +00:00
Chris Lattner
5d6554255b update for API change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77804 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-01 21:14:30 +00:00
Chris Lattner
4a7bc1e5aa All MCSections are now required to have a SectionKind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77787 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-01 18:25:49 +00:00
Daniel Dunbar
a6b3c5db2e llvm-mc: More quoted identifier support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77761 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-01 00:48:30 +00:00
Daniel Dunbar
76c4d7696c llvm-mc: Support quoted identifiers. 
- Uses MCAsmToken::getIdentifier which returns the (sub)string representing the
   meaningfull contents a string or identifier token.

 - Directives aren't done yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77739 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-31 21:55:09 +00:00
Chris Lattner
6bdd74ca38 fix some more issues where we expected GetSection to do "get or create" 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77700 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-31 18:27:48 +00:00
Chris Lattner
56594f9884 fix a bunch of failing tests now that MCContext::GetSection doesn't create sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77689 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-31 17:47:16 +00:00
Daniel Dunbar
cf593a3f43 Update CMakeLists 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77385 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 22:46:39 +00:00
Daniel Dunbar
16cdcb38b2 Move X86 instruction parsing into X86/AsmParser. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77384 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 22:40:46 +00:00
Daniel Dunbar
e240beb065 Make expression parsing and error/warning reporting available through the 
generic MCAsmParser interface.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77381 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 22:22:31 +00:00
Daniel Dunbar
a2edbabcb8 Provide generic MCAsmParser when constructing target specific parsers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77362 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 20:47:52 +00:00
Daniel Dunbar
8e7c38e17b Switch X86 assembly parser to using the generic lexer interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77341 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 18:17:26 +00:00
Daniel Dunbar
cbbe248441 Expose Tokens to target specific assembly parsers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77337 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 17:58:44 +00:00
Daniel Dunbar
a3c924f83a Switch AsmLexer::Lex to returning a reference to the current token. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77328 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 16:56:42 +00:00
Daniel Dunbar
419adedaa1 Drop some AsmLexer methods in favor of their AsmToken equivalents. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77323 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 16:38:40 +00:00
Daniel Dunbar
3f87233d70 llvm-mc: Sink token enum into AsmToken. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77322 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 16:08:33 +00:00
Daniel Dunbar
cb358b63a7 llvm-mc: Factor AsmToken class out of AsmLexer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77292 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 03:00:54 +00:00
Daniel Dunbar
825e385ffe llvm-mc: Stop uniqueing string tokens, nothing actually uses this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77287 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 00:58:50 +00:00
Daniel Dunbar
f9507ffa5b llvm-mc: Implement .abort fully in the front end 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77272 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-27 23:20:52 +00:00
Daniel Dunbar
9a7e2ccf57 llvm-mc: Move AsmLexer::getCurStrVal to StringRef based API. 
- My DFS traversal of LLVM is, at least for now, nearly complete! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77258 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-27 21:49:56 +00:00
Daniel Dunbar
8977d087c6 Factor commonality in triple match routines into helper template for registering 
classes, and migrate existing targets over.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77126 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-26 05:03:33 +00:00
Daniel Dunbar
a5881e3060 Add TargetRegistry::lookupTarget. 
- This is a simplified mechanism which just looks up a target based on the
   target triple, with a few additional flags.

 - Remove getClosestStaticTargetForModule, the moral equivalent is now:
     lookupTarget(Mod->getTargetTriple, true, false, ...);

 - This no longer does the fuzzy matching with target data (based on endianness
   and pointer width) that getClosestStaticTargetForModule was doing, but this
   was deemed unnecessary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77111 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-26 02:12:58 +00:00
Daniel Dunbar
6316fbcb04 Convert StringMap to using StringRef for its APIs. 
- Yay for '-'s and simplifications!

 - I kept StringMap::GetOrCreateValue for compatibility purposes, this can
   eventually go away. Likewise the StringMapEntry Create functions still follow
   the old style.

 - NIFC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76888 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-23 18:17:34 +00:00
Kevin Enderby
5026ae4514 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76462 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 20:25:37 +00:00
Daniel Dunbar
dbd692a66e Add MCAsmLexer interface. 
- This provides the AsmLexer interface to the target specific assembly parsers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76460 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 20:01:54 +00:00
Daniel Dunbar
a3af370dc1 Add MCAsmParser interface. 
- This provides the AsmParser interface to the target specific assembly
   parsers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76453 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 18:55:04 +00:00
Daniel Dunbar
867aadfedf llvm-mc: Default -triple to LLVM_HOSTTRIPLE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76260 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-17 22:51:20 +00:00
Daniel Dunbar
b4b53e5c13 llvm-mc: Add -triple, and start fetching the target asm printer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76257 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-17 22:38:58 +00:00
Kevin Enderby
f96db468fc Removed the SubsectionsViaSymbols MCStreamer API and replaced it with a generic 
EmitAssemblerFlag API which takes a value from the added AssemblerFlag
enumerated constants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76087 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 17:56:39 +00:00
Kevin Enderby
358ab1dbb0 Clean up the definition of Str in AsmParser::ParseDirectiveDarwinDumpOrLoad 
so it is defined with a lifetime that is as short as possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76082 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 17:17:46 +00:00
Chris Lattner
8e25e2d801 implement .include in the lexer/parser instead of passing it into the streamer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75896 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 06:14:39 +00:00
Kevin Enderby
6e68cd96b2 Added llvm-mc support for parsing the .dump and .load directives. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75786 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 15:30:11 +00:00
Kevin Enderby
1f049b24c7 Added llvm-mc support for parsing the .include directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75711 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 23:21:55 +00:00
Kevin Enderby
711482476c Added llvm-mc support for parsing the .lsym directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75685 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 21:35:03 +00:00
Kevin Enderby
95cf30c444 Added llvm-mc support for parsing the .desc directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75645 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 18:17:10 +00:00
Kevin Enderby
5f1f0b8f7e Added llvm-mc support for parsing the .abort directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75545 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-13 23:15:14 +00:00
Kevin Enderby
a5c783280f add llvm-mc support for parsing the .subsections_via_symbols directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75500 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-13 21:03:15 +00:00
Chris Lattner
39750254e1 silence vc++ warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75394 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 22:32:37 +00:00
Chris Lattner
9be3fee2bd add support for .zerofill, patch by Kevin Enderby! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75301 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 22:20:30 +00:00
Chris Lattner
1fc3d75581 add llvm-mc support for parsing the .lcomm directive, patch by Kevin Enderby! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75148 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 17:25:12 +00:00
Chris Lattner
4e4db7adfc Implement parsing support for the .comm directive. Patch by 
Kevin Enderby!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74944 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-07 20:30:46 +00:00
Chris Lattner
b717fb0fe0 implement error recovery in the llvm-mc parser. Feel the power! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74728 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-02 21:53:43 +00:00
Daniel Dunbar
5470e12c62 llvm-mc/x86: Fix various nit-picky bugs in displacement parsing. 
- Test case to follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74687 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-02 02:26:39 +00:00
Daniel Dunbar
2c3f00cd94 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74685 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-02 02:09:07 +00:00
Daniel Dunbar
46b6c5266e llvm-mc/x86: Factor out ParseX86Register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74684 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-02 01:58:24 +00:00
Daniel Dunbar
55a3c6c324 llvm-mc/x86: Rename X86Operand::ScaleReg to IndexReg and make order consistent 
with syntax.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74679 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-02 00:51:52 +00:00
Daniel Dunbar
1aa14aac41 llvm-mc: Add some more doxyments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74607 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-01 15:14:50 +00:00
Daniel Dunbar
165e8344d8 llvm-mc: Fill in the rest of tokens for 'as-lex' mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74598 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-01 06:56:54 +00:00
Daniel Dunbar
80f62d0062 Rename MCValue::isConstant to isAbsolute. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74596 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-01 06:48:00 +00:00
Chris Lattner
87380cb0e0 add some of the new tokens, others are still missing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74595 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-01 06:36:49 +00:00
Daniel Dunbar
0eebb0543f llvm-mc: Emit parsed instructions to the MCStreamer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74594 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-01 06:35:48 +00:00
Daniel Dunbar
d9627e11bf llvm-mc: Introduce method to match a parsed x86 instruction into an MCInst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74573 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-30 23:38:38 +00:00
Daniel Dunbar
d870b2804b llvm-mc: Accept relocatable expressions when parsing displacements and 
immediates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74568 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-30 23:02:44 +00:00
Daniel Dunbar
374d8bddac llvm-mc: Symbols in a relocatable expression of the (a - b + cst) form are 
allowed to be undefined when the expression is seen, we cannot enforce the
same-section requirement until the entire assembly file has been seen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74565 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-30 22:49:27 +00:00
Daniel Dunbar
b79742cd47 Suppress may-be-used-uninitialized warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74529 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-30 16:02:47 +00:00
Douglas Gregor
892b507f7c Fix CMake build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74527 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-30 14:37:26 +00:00
Daniel Dunbar
f4b830f03f llvm-mc: Accept relocatable expressions for .org, assignments, .byte, etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74498 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-30 02:10:03 +00:00
Daniel Dunbar
3597604e5e llvm-mc: Rewrite binary subtraction for relocatable expressions, we can't always 
legally negate an MCValue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74497 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-30 02:08:27 +00:00
Daniel Dunbar
15d1707096 llvm-mc: Evaluation for relocatable expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74496 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-30 01:49:52 +00:00
Daniel Dunbar
3fb7683bec 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): ...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74489 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-30 00:49:23 +00:00
Daniel Dunbar
d7b267bd90 llvm-mc: Parse symbol attribute directives. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74487 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-30 00:33:19 +00:00
Daniel Dunbar
c29dfa786a llvm-mc: Parse .{,b,p2}align{,w,l} directives. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74478 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 23:46:59 +00:00
Daniel Dunbar
dce0f3c556 llvm-mc: Diagnose misuse (mix) of defined symbols and labels. 
- For example, we diagnose errors on:
--
a:
a = 10
--

 - For now we reject code like:
--
.long a
a = 10
--
   which "as" accepts (on Darwin).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74476 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 23:43:14 +00:00
Daniel Dunbar
1ad7edc212 llvm-mc: Recognize C++ style comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74463 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 22:00:57 +00:00
Daniel Dunbar
383a4a8db0 llvm-mc: Recognize C++ style comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74462 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 21:58:22 +00:00
Daniel Dunbar
513306395c Fix uninitialized variable warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74457 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 21:14:21 +00:00
Daniel Dunbar
fc6877aec9 MC: Improve expression parsing and implement evaluation of absolute expressions 
(missed files).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74450 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 20:40:36 +00:00
Daniel Dunbar
475839e9a9 MC: Improve expression parsing and implement evaluation of absolute expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74448 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 20:37:27 +00:00
Daniel Dunbar
c238b584de MC: Parse .org directives. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74218 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-25 22:44:51 +00:00
Daniel Dunbar
8f780cd789 MC: Parse .set and assignments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74208 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-25 21:56:11 +00:00
Daniel Dunbar
a0d1426af0 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74139 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 23:30:00 +00:00
Chris Lattner
529fb545e7 implement a bunch of synonyms for section switching. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74062 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 05:13:15 +00:00
Chris Lattner
9a023f70b4 add support for parsing and emitting .section directives. We can now parse 
things like:
.section __TEXT,__cstring,cstring_literals




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74058 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 04:43:34 +00:00
Chris Lattner
c69485e34d 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74057 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 04:31:49 +00:00
Chris Lattner
cbc23f75cd create an MCStreamer and provide it to AsmParser. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74039 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:52:40 +00:00
Chris Lattner
faf32c102d make the lexer unique strings it lexes instead of passing them back as 
std::strings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74036 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:33:19 +00:00