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125 Commits

Author SHA1 Message Date
Anton Korobeynikov
917ca94111 Preliminary support for ARM frame save directives emission via MI flags. 
This is just very first approximation how the stuff should be done
(e.g. ARM-only for now). More to follow.

llvm-svn: 127101
 2011-03-05 18:43:32 +00:00
Anton Korobeynikov
62e48532b9 Some first rudimentary support for ARM EHABI: print exception table in "text mode". 
llvm-svn: 127099
 2011-03-05 18:43:15 +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
Joerg Sonnenberger
2204260330 Use a vector of pairs to implement the section stack, not two 
independent vectors.

llvm-svn: 126099
 2011-02-21 01:07:42 +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
547873da60 Add support for the --noexecstack option. 
llvm-svn: 124077
 2011-01-23 17:55:27 +00:00
Rafael Espindola
d51ed1fc6a Implement cfi_def_cfa. Also don't convert to dwarf reg numbers twice. Looks 
like 6 is a fixed point of that and so the previous tests were OK :-)

llvm-svn: 122614
 2010-12-29 01:42:56 +00:00
Rafael Espindola
3fdd045643 Implement .cfi_remember_state and .cfi_restore_state. 
llvm-svn: 122602
 2010-12-28 18:36:23 +00:00
Rafael Espindola
c97d642bf7 Relax address updates in the eh_frame section. 
llvm-svn: 122591
 2010-12-28 05:39:27 +00:00
Rafael Espindola
12c30aed07 Add support for .cfi_lsda. 
llvm-svn: 122584
 2010-12-27 15:56:22 +00:00
Rafael Espindola
e7e67fce10 Add support for the same encodings of the personality function that gnu as 
supports.

llvm-svn: 122577
 2010-12-27 00:36:05 +00:00
Rafael Espindola
99f1527316 Add basic support for .cfi_personality. 
llvm-svn: 122566
 2010-12-26 20:20:31 +00:00
Daniel Dunbar
8ab9be2005 MC: Make TargetAsmBackend available to the AsmStreamer. 
- Treaty talks on the non-proliferation of MC objects broke down.

llvm-svn: 121949
 2010-12-16 03:05:59 +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
3e954d16f4 Second try at making direct object emission produce the same results 
as llc + llvm-mc. This time ELF is not changed and I tested that llvm-gcc
bootstrap on darwin10 using darwin9's assembler and linker.

llvm-svn: 121006
 2010-12-06 17:27:56 +00:00
Rafael Espindola
4ec917db9b Revert previous two patches while I try to find out how to make both 
linux and darwin assemblers happy :-(

llvm-svn: 121004
 2010-12-06 15:35:15 +00:00
Rafael Espindola
3dc2b4cba7 Add an EmitAbsValue helper method and use it in cases where we want to be sure 
that no relocations are used (on MochO).
Fixes llc producing different output from llc + llvm-mc.

llvm-svn: 121000
 2010-12-06 14:53:14 +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
ec560cdae3 Make EmitIntValue more efficient and more like what we do for leb128. The 
difference is much smaller (about 0.3s) but significant.

llvm-svn: 120787
 2010-12-03 02:54:21 +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
Michael J. Spencer
d5ec932c3a Merge System into Support. 
llvm-svn: 120298
 2010-11-29 18:16:10 +00:00
Rafael Espindola
d5f118a011 Make EmitIntValue non virtual. 
llvm-svn: 120271
 2010-11-28 23:22:44 +00:00
Rafael Espindola
b102341ccd Make EmitSymbolValue non virtual. 
llvm-svn: 120244
 2010-11-28 15:12:55 +00:00
Rafael Espindola
422c24b736 Avoid code duplication in the many unsupported EmitGPRel32Value implementations. 
llvm-svn: 120243
 2010-11-28 15:09:24 +00:00
Rafael Espindola
62578ad462 Make EmitULEB128IntValue and EmitSLEB128IntValue non virtual. 
llvm-svn: 120242
 2010-11-28 14:56:52 +00:00
Rafael Espindola
e20c3d7c26 Add basic CFI methods to the streamer interface. 
llvm-svn: 119972
 2010-11-22 14:27:24 +00:00
Rafael Espindola
b33e5e07e1 Change some methods in MCDwarf.cpp to be able to handle an arbitrary 
MCStreamer instead of just MCObjectStreamer. Address changes cannot
be as efficient as we have to use DW_LNE_set_addres, but at least
most of the logic is shared.

This will be used so that, with CodeGen still using EmitDwarfLocDirective,
llvm-gcc is able to produce debug_line sections without needing an
assembler that supports .loc.

llvm-svn: 119777
 2010-11-19 02:26:16 +00:00
Daniel Dunbar
1890e9a6b7 MC-JIT: Stub out "pure" streamer. 
- No immediate use, but maybe someone feels like hacking on it.

llvm-svn: 119510
 2010-11-17 16:06:47 +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
Kevin Enderby
f3d8ed8368 Did my commit for the last patch for the .loc directory from the wrong place and 
missed a bunch of files.  Here the rest.  Sorry about that.

llvm-svn: 115173
 2010-09-30 17:16:09 +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
Jim Grosbach
b72d8c744a trailing whitespace and 80 column cleanup 
llvm-svn: 113977
 2010-09-15 16:24:01 +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
Matt Fleming
e381e308f2 Add ELF ObjectWriter and Streamer support. 
llvm-svn: 111172
 2010-08-16 18:35:43 +00:00
Daniel Dunbar
49c592cd1b MC: Add default value for AddrSpace argument to EmitValue. 
llvm-svn: 110475
 2010-08-06 21:24:05 +00:00
Michael J. Spencer
b52ff1ba41 Add relax all support to the COFF object streamer. 
llvm-svn: 109947
 2010-07-31 06:22:29 +00:00
Benjamin Kramer
d1340209a1 Plug the remaining MC leaks by giving MCObjectStreamer/MCAsmStreamer ownership of the TargetAsmBackend and the MCCodeEmitter. 
llvm-svn: 109767
 2010-07-29 17:48:06 +00:00
Chris Lattner
f2c1a57940 introduce WinCOFFStreamer.cpp, patch by Michael Spencer! 
llvm-svn: 108102
 2010-07-11 22:05:00 +00:00
Dan Gohman
940f8f3947 Don't call flush() at a library level which isn't checking for errors 
and doesn't know where the output is going.

llvm-svn: 105274
 2010-06-01 16:31:34 +00:00
Dan Gohman
196387f66e Fix a typo in a comment. 
llvm-svn: 105272
 2010-06-01 16:10:08 +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
Eric Christopher
0df4e8b6a5 Fix comment and whitespace. 
llvm-svn: 104392
 2010-05-21 22:39:11 +00:00
Eric Christopher
4a9013f115 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