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234 Commits

Author SHA1 Message Date
Daniel Dunbar
55f16678e4 MC/AsmParser: Add support for 'a + 4@GOTPCREL' and friends, by reconsing the 
expression to include the modifier.
 - Gross, but this a corner case we don't expect to see often in practice, but
   it is worth accepting.
 - Also improves diagnostics on invalid modifiers.

llvm-svn: 114154
 2010-09-17 02:47:07 +00:00
Rafael Espindola
922e3f454b Add support for the .zero directive. 
llvm-svn: 114077
 2010-09-16 15:03:59 +00:00
Rafael Espindola
f667d929ce 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
12d73d1f18 Add support for leb128 of absolute expressions. 
llvm-svn: 113691
 2010-09-11 16:45:15 +00:00
Chris Lattner
a2a9d16b78 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
e5444a88cd 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
43325c4a68 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
91689c1d0f 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
Kevin Enderby
a71ab07e14 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
1264b7cab8 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
2476432639 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
3b96ffdac1 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
Daniel Dunbar
2ecc3bb4f7 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
2eca0252c3 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
d215976208 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
b759a13da8 MC: Destroy Macro instances. 
llvm-svn: 109720
 2010-07-29 01:51:55 +00:00
Kevin Enderby
e5930f142a 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
Eli Friedman
20b026464e 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
8897d479b5 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
40a564f09f 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
6fb1c3ad8a MC/AsmParser: Add macro argument substitution support. 
llvm-svn: 108654
 2010-07-18 19:00:10 +00:00
Daniel Dunbar
4323571efb MC/AsmParser: Add basic support for macro instantiation. 
llvm-svn: 108653
 2010-07-18 18:54:11 +00:00
Daniel Dunbar
c1f58ec83c MC/AsmParser: Add basic parsing support for .macro definitions. 
llvm-svn: 108652
 2010-07-18 18:47:21 +00:00
Daniel Dunbar
828984ff4e 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
d8a1845c31 MC/AsmParser: Use Error() instead of calling PrintMessage() directly. 
llvm-svn: 108648
 2010-07-18 18:31:45 +00:00
Daniel Dunbar
2a2c6cf5f9 MC/AsmParser: Hide the AsmParser implementation. 
llvm-svn: 108646
 2010-07-18 18:31:38 +00:00
Daniel Dunbar
01e3607d70 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
c2b3675f8b fix indentation and 80 cols 
llvm-svn: 108460
 2010-07-15 21:19:31 +00:00
Benjamin Kramer
92d8998348 Don't pass StringRef by reference. 
llvm-svn: 108366
 2010-07-14 22:38:02 +00:00
Daniel Dunbar
ab058b83e0 MC/AsmParser: Move ELF specific parser to ELFAsmParser.cpp. 
llvm-svn: 108196
 2010-07-12 21:23:32 +00:00
Daniel Dunbar
0cb91cfc74 MC/AsmParser: Move Darwin specific parse to DarwinAsmParser.cpp. 
llvm-svn: 108193
 2010-07-12 20:51:51 +00:00
Daniel Dunbar
a5bf6b6001 MC/AsmParser: Move .section parsing to Darwin specific parser. 
llvm-svn: 108190
 2010-07-12 20:42:34 +00:00
Daniel Dunbar
aa59cf2686 MC/AsmParser: Move special section directive parsing to Darwin specific parser. 
llvm-svn: 108187
 2010-07-12 20:23:36 +00:00
Daniel Dunbar
80be44a2ac MC/AsmParser: Add a basic ELFAsmParser extension. 
llvm-svn: 108185
 2010-07-12 20:08:04 +00:00
Daniel Dunbar
101c14c940 MC/AsmParser: Inline AsmParser::CreateSymbol into callers. 
llvm-svn: 108183
 2010-07-12 19:52:10 +00:00
Daniel Dunbar
d388c93f87 MC/AsmParser: Move .tbss and .zerofill parsing to Darwin specific parser. 
llvm-svn: 108180
 2010-07-12 19:37:35 +00:00
Daniel Dunbar
63a379dd5c MC/AsmParser: Move .desc parsing to Darwin specific parser. 
llvm-svn: 108179
 2010-07-12 19:22:53 +00:00
Daniel Dunbar
b992f1a95b MC/AsmParser: Move .lsym parsing to Darwin specific parser. 
llvm-svn: 108176
 2010-07-12 19:08:25 +00:00
Daniel Dunbar
ae9da1481a MC/AsmParser: Move some misc. Darwin directive handling to DarwinAsmParser. 
llvm-svn: 108174
 2010-07-12 18:49:22 +00:00
Daniel Dunbar
c5011088cd 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
dd41dcf270 MC/AsmParser: Switch a bunch of directive parsing to use accessors. 
llvm-svn: 108163
 2010-07-12 18:03:11 +00:00
Daniel Dunbar
86033407c9 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
Daniel Dunbar
cc21af1dfb MC/AsmParser: Switch some directive parsing to use accessor methods. 
llvm-svn: 108160
 2010-07-12 17:45:27 +00:00
Daniel Dunbar
af3d1de891 MC: Add MCAsmParserExtension, a base class for all the target/object specific 
classes which want to extend the basic asm parser.

llvm-svn: 108158
 2010-07-12 17:27:45 +00:00
Daniel Dunbar
4be8f2ffad MC: Move AsmParser::TokError to MCAsmParser(). 
llvm-svn: 108155
 2010-07-12 17:18:45 +00:00
Duncan Sands
41b4a6b36a Convert some tab stops into spaces. 
llvm-svn: 108130
 2010-07-12 08:16:59 +00:00
Kevin Enderby
082d0fd7ad Added the darwin .weak_def_can_be_hidden directive. 
llvm-svn: 107886
 2010-07-08 17:22:42 +00:00
Daniel Dunbar
0e980755d3 MC: Fix some stray hunks I didn't intend to commit. 
llvm-svn: 107428
 2010-07-01 20:48:51 +00:00
Daniel Dunbar
02877d6e85 MC: Pass the target instance to the AsmParser constructor. 
llvm-svn: 107426
 2010-07-01 20:41:56 +00:00
Daniel Dunbar
0aa4365e47 MC: Fix an error message. 
llvm-svn: 107424
 2010-07-01 20:20:01 +00:00