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58aa9e8010
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103 Commits

Author SHA1 Message Date
Rafael Espindola
58aa9e8010 Add support for the .zero directive. 
llvm-svn: 114077
 2010-09-16 15:03:59 +00:00
Rafael Espindola
8a987c002e Add a InitSections method to the streamer interface. 
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
Rafael Espindola
ce9b27497e Add support for leb128 of absolute expressions. 
llvm-svn: 113691
 2010-09-11 16:45:15 +00:00
Chris Lattner
ffe1efe7ef fix the asmparser so that the target is responsible for skipping to 
the end of the line on a parser error, allowing skipping to happen
for syntactic errors but not for semantic errors.  Before we would
miss emitting a diagnostic about the second line, because we skipped
it due to the semantic error on the first line:

  foo %eax
  bar %al

This fixes rdar://8414033 - llvm-mc ignores lines after an invalid instruction mnemonic errors

llvm-svn: 113688
 2010-09-11 16:18:25 +00:00
Daniel Dunbar
547563df12 llvm-mc: Don't crash when using -n and we see a directive before the initial section. 
- This is annoying, because we have to scatter this check everywhere that could emit real data, but I see no better solution.

llvm-svn: 113552
 2010-09-09 22:42:59 +00:00
Daniel Dunbar
07c0ca2a51 llvm-mc: Make sure we exit != 0 if any errors are encountered. 
llvm-svn: 113551
 2010-09-09 22:42:56 +00:00
Chris Lattner
0e0f9094e9 change the MC "ParseInstruction" interface to make it the 
implementation's job to check for and lex the EndOfStatement
marker.

llvm-svn: 113347
 2010-09-08 05:10:46 +00:00
Benjamin Kramer
dd16ed1618 Add AsmParser support for the ELF .previous directive. Patch by Roman Divacky. 
llvm-svn: 112849
 2010-09-02 18:53:37 +00:00
Kevin Enderby
bb121d1dc2 Change the parsing of .loc back to allow the LineNumber field to be optional as 
it is with other assemblers.

llvm-svn: 111967
 2010-08-24 21:14:47 +00:00
Kevin Enderby
024b04ad93 First bit of support for the dwarf .loc directive. This patch updates the 
needed parsing for the .loc directive and saves the current info from that
into the context.  The next patch will take the current loc info after an
instruction is assembled and save that info into a vector for each section for
use to build the line number tables.  The patch after that will encode the info
from those vectors into the output file as the dwarf line tables.

llvm-svn: 111956
 2010-08-24 20:32:42 +00:00
Daniel Dunbar
bd6901864b MC/AsmParser: Change ParseExpression to use ParseIdentifier(), to support 
dollars in identifiers.

llvm-svn: 111946
 2010-08-24 19:13:42 +00:00
Daniel Dunbar
7859dfd71b MC/Parser: Accept leading dollar signs in identifiers. 
- Implemented by manually splicing the tokens. If this turns out to be
   problematically platform specific, a more elegant solution would be to
   implement some context dependent lexing support.

llvm-svn: 111934
 2010-08-24 18:12:12 +00:00
Chris Lattner
115fdde871 fix rdar://7997827 - Accept and ignore LL and ULL suffixes on integer literals. 
Also fix 0b010 syntax to actually work while we're at it :-)

llvm-svn: 111876
 2010-08-24 00:43:25 +00:00
Daniel Dunbar
f2b4982344 MC/AsmParser: Push the burdon of emitting diagnostics about unmatched 
instructions onto the target specific parser, which can do a better job.

llvm-svn: 110889
 2010-08-12 00:55:38 +00:00
Daniel Dunbar
4882ffc373 llvm-mc: Add -show-inst-operands, for dumping the parsed instruction representation before matching. 
llvm-svn: 110791
 2010-08-11 06:37:09 +00:00
Daniel Dunbar
ee80a239ed MCAsmParser: Add dump() hook to MCParsedAsmOperand. 
llvm-svn: 110790
 2010-08-11 06:37:04 +00:00
Daniel Dunbar
f7233103ff MC/AsmParser: Fix a bug in macro argument parsing, which was dropping 
parentheses from argument lists.

llvm-svn: 110692
 2010-08-10 17:38:52 +00:00
Daniel Dunbar
7972ac4c88 MC: Destroy Macro instances. 
llvm-svn: 109720
 2010-07-29 01:51:55 +00:00
Kevin Enderby
3f202e65e8 Added first bit of support for the dwarf .file directive. This patch collects 
the info from the .file directive and makes file and directory tables that
will eventually be put out as part of the dwarf info in the output file.

llvm-svn: 109651
 2010-07-28 20:55:35 +00:00
Matt Fleming
d968913a7e Add some more handlers for ELF section directives. 
llvm-svn: 108928
 2010-07-20 21:12:46 +00:00
Daniel Dunbar
f58b5d7ad0 TblGen/AsmMatcher: Add support for honoring instruction Requires<[]> attributes as part of the matcher. 
- Currently includes a hack to limit ourselves to "In32BitMode" and "In64BitMode", because we don't have the other infrastructure to properly deal with setting SSE, etc. features on X86.

llvm-svn: 108677
 2010-07-19 05:44:09 +00:00
Eli Friedman
5c629bb609 Make .align parse correctly on platforms where .align is measured in bytes. 
llvm-svn: 108674
 2010-07-19 04:17:25 +00:00
Daniel Dunbar
5b6b28e897 MC/AsmParser: Stop playing unsafe member function pointer calls, this isn't 
portable enough.
 - Downside is we now double dispatch through a stub function, but this isn't
   performance critical.

llvm-svn: 108661
 2010-07-18 22:22:07 +00:00
Daniel Dunbar
79350dba6e MC/AsmParser: Fix .abort and .secure_log_unique to accept arbitrary token 
sequences, not just strings.

llvm-svn: 108655
 2010-07-18 20:15:59 +00:00
Daniel Dunbar
7d498fb3fc MC/AsmParser: Add macro argument substitution support. 
llvm-svn: 108654
 2010-07-18 19:00:10 +00:00
Daniel Dunbar
312b5e0d2b MC/AsmParser: Add basic support for macro instantiation. 
llvm-svn: 108653
 2010-07-18 18:54:11 +00:00
Daniel Dunbar
4ee82b993f MC/AsmParser: Add basic parsing support for .macro definitions. 
llvm-svn: 108652
 2010-07-18 18:47:21 +00:00
Daniel Dunbar
44cddadb54 MC/AsmParser: Add .macros_{off,on} support, not that makes sense since we don't 
support macros.

llvm-svn: 108649
 2010-07-18 18:38:02 +00:00
Daniel Dunbar
cf14c09d6a MC/AsmParser: Use Error() instead of calling PrintMessage() directly. 
llvm-svn: 108648
 2010-07-18 18:31:45 +00:00
Daniel Dunbar
2b388a1255 MC/AsmParser: Fix TokError() to accept a Twine. 
llvm-svn: 108647
 2010-07-18 18:31:42 +00:00
Daniel Dunbar
9a7d4a5dee MC/AsmParser: Hide the AsmParser implementation. 
llvm-svn: 108646
 2010-07-18 18:31:38 +00:00
Eli Friedman
e0fd89f780 Start of .sleb128/.uleb128 parsing support. 
llvm-svn: 108612
 2010-07-17 06:27:28 +00:00
Eli Friedman
beee77c1c5 Work-in-progress parsing for ELF .section directive. 
llvm-svn: 108609
 2010-07-17 04:29:04 +00:00
Eli Friedman
e758dc641d Add support for parsing .size directives for ELF. 
llvm-svn: 108606
 2010-07-17 03:09:18 +00:00
Daniel Dunbar
4dca88a1e9 MC/AsmParser: Lift Run() and TargetParser to base class. 
Also, add constructor function for creating AsmParser instances.

llvm-svn: 108604
 2010-07-17 02:26:10 +00:00
Chris Lattner
403b684f74 fix indentation and 80 cols 
llvm-svn: 108460
 2010-07-15 21:19:31 +00:00
Benjamin Kramer
da3e6cdb26 Don't pass StringRef by reference. 
llvm-svn: 108366
 2010-07-14 22:38:02 +00:00
Daniel Dunbar
6b7349fa24 MC/AsmParser: Move ELF specific parser to ELFAsmParser.cpp. 
llvm-svn: 108196
 2010-07-12 21:23:32 +00:00
Daniel Dunbar
cb36453016 MC/AsmParser: Move Darwin specific parse to DarwinAsmParser.cpp. 
llvm-svn: 108193
 2010-07-12 20:51:51 +00:00
Daniel Dunbar
9144ed1e2e MC/AsmParser: Move .section parsing to Darwin specific parser. 
llvm-svn: 108190
 2010-07-12 20:42:34 +00:00
Daniel Dunbar
dea52ae42c MC/AsmParser: Move special section directive parsing to Darwin specific parser. 
llvm-svn: 108187
 2010-07-12 20:23:36 +00:00
Daniel Dunbar
c02b92ed37 MC/AsmParser: Add a basic ELFAsmParser extension. 
llvm-svn: 108185
 2010-07-12 20:08:04 +00:00
Daniel Dunbar
f3e14374cb MC/AsmParser: Inline AsmParser::CreateSymbol into callers. 
llvm-svn: 108183
 2010-07-12 19:52:10 +00:00
Daniel Dunbar
d1c2da9d0b MC/AsmParser: Move .tbss and .zerofill parsing to Darwin specific parser. 
llvm-svn: 108180
 2010-07-12 19:37:35 +00:00
Daniel Dunbar
a1e5852feb MC/AsmParser: Move .desc parsing to Darwin specific parser. 
llvm-svn: 108179
 2010-07-12 19:22:53 +00:00
Daniel Dunbar
212b42f5ec MC/AsmParser: Move .lsym parsing to Darwin specific parser. 
llvm-svn: 108176
 2010-07-12 19:08:25 +00:00
Daniel Dunbar
50b931bbac MC/AsmParser: Move some misc. Darwin directive handling to DarwinAsmParser. 
llvm-svn: 108174
 2010-07-12 18:49:22 +00:00
Daniel Dunbar
e3a98e546f MC/AsmParser: Add a DarwinAsmParser extension. 
- Currently initialization is a bit of a hack, but harmless. We need to rework
   various parts of target initialization to clean this up.

llvm-svn: 108165
 2010-07-12 18:12:02 +00:00
Daniel Dunbar
56e12eeae9 MC/AsmParser: Switch a bunch of directive parsing to use accessors. 
llvm-svn: 108163
 2010-07-12 18:03:11 +00:00
Daniel Dunbar
98d7990ac2 MCAsmParser: Pull some directive handling out into a helper class, and change 
DirectiveMap to be based on MCAsmParserExtension.

llvm-svn: 108161
 2010-07-12 17:54:38 +00:00