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35 Commits

Author SHA1 Message Date
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
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
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
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
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
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
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
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
Daniel Dunbar
ecc63f8687 Start flushing out MCContext. 
- Lives inside new library lib/MC (LLVMMC.a)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74013 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 22:01:43 +00:00
Chris Lattner
29dfe7c5f7 refactor a bunch of X86 specific stuff out to its own file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73982 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 18:41:30 +00:00
Chris Lattner
8dfbe6c853 implement a trivial binary expression parser, we can now parse all of 176.gcc.llc.s 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73950 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 05:57:07 +00:00
Chris Lattner
7031806fe2 process memory operands with a parenthesized expression for a displacement, 
like "(4+5)(%eax)".



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73878 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-22 06:35:58 +00:00
Chris Lattner
74ec1a3b11 Implement full support for parsing primary expressions. We can now parse 
all of health and voronoi (ignoring directives).  We only get 409 lines into
176.gcc though because we don't have binary operators yet:

Parsing 176.gcc.llc.s:409: unexpected token in operand list
	movsbl	_arityvec+1(,%edi,8), %eax
	      	         ^



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73877 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-22 06:32:03 +00:00
Chris Lattner
be9c23fef4 implement parser support for '*' operands, as in "call *%eax". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73876 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-22 06:02:13 +00:00
Chris Lattner
c41938303b implement memory operand parsing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73875 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-22 05:51:26 +00:00
Chris Lattner
2cf5f14f20 start implementing some simple operand parsing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73867 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-22 01:29:09 +00:00
Chris Lattner
14ee48a5ba rename SourceMgr::PrintError to PrintMessage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73861 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 21:22:11 +00:00
Chris Lattner
b0789ed5a4 set up the top-level parsing loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73860 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 20:54:55 +00:00
Chris Lattner
27aa7d259b stub out parser for asm files. Change invariant on lexer to always 
print its error message when it returns an asmtok::Error token.
Compute a proper error code for llvm-mc in 'lex' mode.  Add new
-as-lex option to enable lexing mode (vs parsing mode).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73859 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-21 20:16:42 +00:00