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Commit Graph

22 Commits

Author SHA1 Message Date
Benjamin Kramer
bd939ad83e Don't drop alignment info on local common symbols.
- On COFF the .lcomm directive has an alignment argument.
- On ELF we fall back to .local + .comm

Based on a patch by NAKAMURA Takumi.

Fixes PR9337, PR9483 and PR10128.

llvm-svn: 138976
2011-09-01 23:04:27 +00:00
Evan Cheng
3d2be55d6c Unfortunately several files in MC are badly violating layering rule by using
TargetAsmInfo, which in turn pulls in TargetRegisterInfo, etc. :-( There are
other cases of violations, but this is probably the worst.

This patch is but one small step towards fixing this. 500 more steps to go. :-(

llvm-svn: 135131
2011-07-14 05:43:07 +00:00
Rafael Espindola
2f2c3bf31f Simplify the handling of pcrel relocations on ELF. Now we do the right thing
for all symbol differences and can drop the old EmitPCRelSymbolValue
method.

This also make getExprForFDESymbol on ELF equal to the one on MachO, and it
can be made non-virtual.

llvm-svn: 130634
2011-05-01 03:50:49 +00:00
Rafael Espindola
856ed14418 Remove unused argument.
llvm-svn: 129955
2011-04-21 23:39:26 +00:00
Devang Patel
7220c1a021 Reduce clutter in asm output. Do not emit source location as comment for each instruction.
llvm-svn: 129715
2011-04-18 20:26:49 +00:00
Cameron Zwarich
974208a607 Roll out r126425 and r126450 to see if it fixes the failures on the buildbots.
llvm-svn: 126488
2011-02-25 16:30:32 +00:00
Devang Patel
f2b2417c2c Enable DebugInfo support for COFF object files.
Patch by Nathan Jeffords!

llvm-svn: 126425
2011-02-24 21:04:00 +00:00
Rafael Espindola
b59fdeb3de Add support for pushsection and popsection. Patch by Joerg Sonnenberger.
llvm-svn: 125629
2011-02-16 01:08:29 +00:00
Rafael Espindola
0e665e502d Fixed version of 121434 with no new memory leaks.
llvm-svn: 121471
2010-12-10 07:39:47 +00:00
Rafael Espindola
011e168728 Revert my previous patch to make the valgrind bots happy.
llvm-svn: 121461
2010-12-10 04:01:09 +00:00
Rafael Espindola
03ad1e8f1f Initial support for the cfi directives. This is just enough to get
f:
        .cfi_startproc
        nop
        .cfi_endproc

assembled (on ELF).

llvm-svn: 121434
2010-12-09 23:48:29 +00:00
Rafael Espindola
9215947c83 There are two reasons why we might want to use
foo = a - b
.long foo
instead of just
.long a - b

First, on darwin9 64 bits the assembler produces the wrong result. Second,
if "a" is the end of the section all darwin assemblers (9, 10 and mc) will not
consider a - b to be a constant but will if the dummy foo is created.

Split how we handle these cases. The first one is something MC should take care
of. The second one has to be handled by the caller.

llvm-svn: 120889
2010-12-04 03:21:47 +00:00
Rafael Espindola
3e119b0bb4 Try to resolve symbol differences early, and if successful create a plain
data fragment. This reduces the time to assemble the test in 8711 from 60s to
54s.

llvm-svn: 120767
2010-12-03 00:55:40 +00:00
Devang Patel
822facd787 Use set directive for StartMinusEndExpr.
This is a fix for llvm-gcc-i386-darwin9 buildbot failure.

llvm-svn: 120742
2010-12-02 21:32:30 +00:00
Rafael Espindola
d5f118a011 Make EmitIntValue non virtual.
llvm-svn: 120271
2010-11-28 23:22:44 +00:00
Rafael Espindola
283e6bd938 Add .loc methods to the streamer.
Next: Add support for the !HasDotLocAndDotFile case to the MCAsmStreamer
and then switch codegen to use it.

llvm-svn: 119384
2010-11-16 21:20:32 +00:00
Jim Grosbach
bbef2c5fcc MC'ize the '.code 16' and '.thumb_func' ARM directives.
llvm-svn: 118301
2010-11-05 22:08:08 +00:00
Rafael Espindola
1db6a21aff Add support for expressions in .sleb/.uleb directives.
llvm-svn: 118023
2010-11-02 17:22:24 +00:00
Rafael Espindola
7a38cb0144 Implement .weakref.
llvm-svn: 117911
2010-11-01 14:28:48 +00:00
Michael J. Spencer
b1c4f7b52a MC: Add missing forward in MCLoggingStreamer.
llvm-svn: 115830
2010-10-06 20:36:47 +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
Daniel Dunbar
eb23d9ac22 MC: Add an MCLoggingStreamer, for use in debugging integrated-as mismatches.
llvm-svn: 104463
2010-05-23 17:44:06 +00:00