Commit Graph

94 Commits

Author SHA1 Message Date
Daniel Dunbar
e00b011e6a MC: Remove unneeded context argument to MCExpr::Evaluate*.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84233 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-16 01:57:52 +00:00
Daniel Dunbar
75773ff00d MC: Tweak variable assignment diagnostics, and make reassignment of non-absolute
variables and symbols invalid.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84232 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-16 01:57:39 +00:00
Daniel Dunbar
fffff915d5 MC: When parsing a variable reference, substitute absolute variables immediately
since they are allowed to be redefined.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84230 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-16 01:34:54 +00:00
Chris Lattner
ebb89b4186 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82926 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-27 21:16:52 +00:00
Chris Lattner
3b13d361d0 use an accessor to simplify code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81997 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 04:12:47 +00:00
Kevin Enderby
9c656450d6 Added the ParseInstruction() hook for target specific assembler directives so
that things like .word can be parsed as target specific.  Moved parsing .word
out of AsmParser.cpp into X86AsmParser.cpp as it is 2 bytes on X86 and 4 bytes
for other targets that support the .word directive.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81461 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-10 20:51:44 +00:00
Benjamin Kramer
12fd767ed8 Fix an integer truncation noticed by MSVC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81109 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-06 09:35:10 +00:00
Daniel Dunbar
821e3334ed llvm-mc: Pass values to MCStreamer as MCExprs, not MCValues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80578 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-31 08:09:28 +00:00
Daniel Dunbar
e2ace509fc llvm-mc: Simplify EmitAssignment ('.set' is identical to '=').
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80577 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-31 08:09:09 +00:00
Daniel Dunbar
883f920acb llvm-mc: Remove MCAsmParser::Parse[Paren]RelocatableExpression.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80576 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-31 08:08:50 +00:00
Daniel Dunbar
c18274ba9c llvm-mc: Add MCAsmParser::Parse[Paren]Expression forms which return an MCExpr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80574 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-31 08:08:17 +00:00
Daniel Dunbar
6ce004dc76 llvm-mc: Add MCAsmParser::getContext.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80571 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-31 08:07:44 +00:00
Daniel Dunbar
9643ac5514 llvm-mc: Switch MCExpr construction to using static member functions, and taking the MCContext (which now owns all MCExprs).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80569 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-31 08:07:22 +00:00
Daniel Dunbar
28c251b54b llvm-mc: Move AsmExpr into MC lib (as MCExpr).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80567 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-31 08:06:59 +00:00
Daniel Dunbar
7092c7e1dc llvm-mc: MCStreamer cleanups. - Remove EmitLocalSymbol, this is unsupported for now.
- Switch Emit{CommonSymbol,Zerofill} to take alignment in bytes (for consistency).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80484 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-30 06:17:16 +00:00
Daniel Dunbar
e6cdbf2f92 llvm-mc: Emit .lcomm as .zerofill.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80343 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-28 05:48:46 +00:00
Daniel Dunbar
2e15292659 llvm-mc: Unique zero fill sections.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80342 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-28 05:48:29 +00:00
Daniel Dunbar
bdee6dffa5 Revert r80305, I forgot a dependent change.
--- Reverse-merging r80305 into '.':
U    tools/llvm-mc/AsmParser.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80309 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-27 23:58:10 +00:00
Daniel Dunbar
58b5068b1a llvm-mc: Unique sections in .zerofill.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80305 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-27 23:45:06 +00:00
Daniel Dunbar
7c0a3348fb 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80168 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-26 22:49:51 +00:00
Daniel Dunbar
959fd88334 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80162 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-26 22:13:22 +00:00
Daniel Dunbar
b58a804400 llvm-mc: Make non-sensical max bytes to .align an error.
Also, warn about overflow in alignment values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80077 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-26 09:16:34 +00:00
Daniel Dunbar
8906ff1b9d llvm-mc: Clean up some handling of symbol/section association to be more correct
(external was really undefined and there wasn't an explicit representation for
absolute symbols).
 - This still needs some cleanup to how the absolute "pseudo" section is dealt
   with, but I haven't figured out the nicest approach yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79733 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-22 07:22:36 +00:00
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
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
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
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
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
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
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
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
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
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
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