ec9d6faef0
Add support for parsing the ELF .type assembler directive.
...
llvm-svn: 104316
2010-05-21 11:36:59 +00:00
7cbfa4462f
fix rdar://7986634 - match instruction opcodes case insensitively.
...
llvm-svn: 104183
2010-05-19 23:34:33 +00:00
5c87be766d
Make EmitTBSSSymbol take a section argument so that we can find it later.
...
Fix up callers and users.
llvm-svn: 104057
2010-05-18 21:16:04 +00:00
7bcc9e9450
Incorporate Daniel's suggestion and use !isdigit(CurPtr[0]) and not
...
CurPtr[0] == '\n' when testing the character after a "0b" when looking
to see if it part of a something like "jmp 0b".
llvm-svn: 104039
2010-05-18 18:09:20 +00:00
53e0631516
Fixed the problem with a branch to "0b" that was not parsed by llvm-mc
...
correctly. The Lexer was incorrectly eating the newline casusing it to branch
to address 0. Updated the test case to use a "0:" label and a branch to "0b".
llvm-svn: 104038
2010-05-18 17:51:35 +00:00
0510b48fd9
Added support in MC for Directional Local Labels.
...
llvm-svn: 103989
2010-05-17 23:08:19 +00:00
9635b3da6b
More data/parsing support for tls directives. Add a few more testcases
...
and cleanup comments as well.
llvm-svn: 103985
2010-05-17 22:53:55 +00:00
bb166bed40
MC/Mach-O/x86: Optimal nop sequences should only be used for the .text sections, not all sections in the text segment.
...
llvm-svn: 103981
2010-05-17 21:54:30 +00:00
9b4a824217
llvm-mc: Support reassignment of variables in one special case, when the
...
variable has not yet been used in an expression. This allows us to support a few
cases that show up in real code (mostly because gcc generates it for Objective-C
on Darwin), without giving up a reasonable semantic model for assignment.
llvm-svn: 103950
2010-05-17 17:46:23 +00:00
68b1bbe66a
Assume that we'll handle mangling the symbols earlier and just put the
...
symbol to the file as we have it. Simplifies out tbss handling.
llvm-svn: 103928
2010-05-17 02:13:02 +00:00
9fb6bb07ca
Add AsmParser support for darwin tbss directive.
...
Nothing uses this yet.
llvm-svn: 103757
2010-05-14 01:50:28 +00:00
bc81885ff7
Fix a couple of typos.
...
llvm-svn: 103756
2010-05-14 01:38:54 +00:00
8cb4728a15
fix rdar://7965971 and a fixme: use ParseIdentifier in
...
ParseDirectiveDarwinZerofill instead of hard coding the
check for identifier. This allows quoted symbol names to
be used.
llvm-svn: 103682
2010-05-13 00:10:34 +00:00
b0ceb764b8
Revert r103137, fix for $ in labels. It looks like we can't actually handle this
...
at the token level. Consider the following horrible test case:
a = 1
.globl $a
movl ($a), %eax
movl $a, %eax
movl $$a, %eax
llvm-svn: 103178
2010-05-06 14:46:38 +00:00
482fa218d4
fix rdar://7946934 - in some limited cases, the assembler should
...
allow $ at the start of a symbol name.
llvm-svn: 103137
2010-05-05 23:51:28 +00:00
deb7ba9cc0
MC: Reject attempts to define a variable symbol.
...
llvm-svn: 103111
2010-05-05 19:01:00 +00:00
7a989da0af
MC: Rename MCSymbol::{g,s}etValue -> MCSymbol::{g,s}etVariableValue.
...
llvm-svn: 103095
2010-05-05 17:41:00 +00:00
ce0c1e11ce
llvm-mc: Fix case were we would skip a line in the .s file after an instruction
...
match failure.
Also, fixes a few memory leak FIXMEs.
llvm-svn: 102986
2010-05-04 00:33:07 +00:00
926885c090
refactor .if handling code a bit.
...
llvm-svn: 101659
2010-04-17 18:14:27 +00:00
6b55cb9cd8
implement mc asmparser support for '.', which gets the
...
current PC. rdar://7834775
We now produce an identical .o file compared to the cctools
assembler for something like this:
_f0:
L0:
jmp L1
.long . - L0
L1:
jmp A
.long . - L1
.zerofill __DATA,_bss,A,0
llvm-svn: 101227
2010-04-14 04:40:28 +00:00
2073112fc0
move macho section uniquing from MCParser and TLOF to MCContext where
...
the compiler and asmparser now unique to the same sections. This fixes
rdar://7835021.
llvm-svn: 100807
2010-04-08 20:30:37 +00:00
3b21e4d404
Give AsmParser an option to control whether it finalizes
...
the stream. New demo:
$ clang asm.c -S -o - -emit-llvm | llc -filetype=obj -o t.o
$ otool -tv t.o
t.o:
(__TEXT,__text) section
_foo:
0000000000000000 subq $0x08,%rsp
0000000000000004 movl %edi,(%rsp)
0000000000000007 movl %edi,%eax
0000000000000009 incl %eax
000000000000000b movl %eax,(%rsp)
000000000000000e movl %eax,0x04(%rsp)
0000000000000012 addq $0x08,%rsp
0000000000000016 ret
llvm-svn: 100492
2010-04-05 23:15:42 +00:00
9897043928
Rip out the 'is temporary' nonsense from the MCContext interface to
...
create symbols. It is extremely error prone and a source of a lot
of the remaining integrated assembler bugs on x86-64.
This fixes rdar://7807601.
llvm-svn: 99902
2010-03-30 18:10:53 +00:00
5599256415
MC: Allow modifiers in MCSymbolRefExpr, and eliminate X86MCTargetExpr.
...
- Although it would be nice to allow this decoupling, the assembler needs to be able to reason about MCSymbolRefExprs in too many places to make this viable. We can use a target specific encoding of the variant if this becomes an issue.
- This patch also extends llvm-mc to support parsing of the modifiers, as opposed to lumping them in with the symbol.
llvm-svn: 98592
2010-03-15 23:51:06 +00:00
341b1d25f1
add a hack to allow parsing negative minint. rdar://7751341
...
llvm-svn: 98442
2010-03-13 19:25:13 +00:00
322fec671b
llvm-mc: Support -n, useful for comparing -integrated-as output since the
...
compiler may not lead with the text section.
llvm-svn: 98418
2010-03-13 02:20:57 +00:00
7e3283c055
Remove unneeded includes.
...
llvm-svn: 98167
2010-03-10 17:56:05 +00:00
b973ea88b5
eliminate MCContext::CreateSymbol and CreateTemporarySymbol.
...
Add a new GetOrCreateTemporarySymbol method and a version that
takes a twine.
llvm-svn: 98118
2010-03-10 01:29:27 +00:00
bb592eb9d0
pass in more section kinds, enough to get the .align 0x90
...
stuff to emit optimal nops in the right places.
llvm-svn: 97233
2010-02-26 18:32:26 +00:00
7f99302dc9
This is a patch to the assembler frontend to detect when aligning a text
...
section with TextAlignFillValue and calls EmitCodeAlignment() instead of
calling EmitValueToAlignment(). This allows x86 assembly code to be aligned
with optimal nops.
llvm-svn: 97158
2010-02-25 18:46:04 +00:00
d0c6d361fe
MC/AsmParser: Attempt to constant fold expressions up-front. This ensures we avoid fixups for obvious cases like '-(16)'.
...
llvm-svn: 96064
2010-02-13 01:28:07 +00:00
d45adf28de
wirte up .file and .file to the mc asmparser.
...
llvm-svn: 94438
2010-01-25 19:02:58 +00:00
823aed16f9
make -fno-rtti the default unless a directory builds with REQUIRES_RTTI.
...
llvm-svn: 94378
2010-01-24 20:43:08 +00:00
807a3bcbbb
fix a parsing problem on instructions like:
...
movw $8, (_cost_table_-L97$pb)+66(%eax)
After the parens, we could still have a binop.
llvm-svn: 94345
2010-01-24 01:07:33 +00:00
685508cf49
move the various directive enums out of the MCStreamer class
...
into a new MCDirectives.h file.
llvm-svn: 94294
2010-01-23 06:39:22 +00:00
e649401824
stop using strtoll, it gives windows heartburn.
...
llvm-svn: 94167
2010-01-22 07:34:12 +00:00
7ba0661f27
Stop building RTTI information for *most* llvm libraries. Notable
...
missing ones are libsupport, libsystem and libvmcore. libvmcore is
currently blocked on bugpoint, which uses EH. Once it stops using
EH, we can switch it off.
This #if 0's out 3 unit tests, because gtest requires RTTI information.
Suggestions welcome on how to fix this.
llvm-svn: 94164
2010-01-22 06:49:46 +00:00
5b0e01c54e
move some files out of the llvm-mc tool into the MCParser library so
...
other tools can link it.
llvm-svn: 94131
2010-01-22 01:58:08 +00:00
9a184b368b
forgot to svn add these, doh.
...
llvm-svn: 94130
2010-01-22 01:55:10 +00:00
00646cfbd4
create a new MCParser library and move some stuff into it.
...
llvm-svn: 94129
2010-01-22 01:44:57 +00:00
Matt Fleming