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Commit Graph

39 Commits

Author SHA1 Message Date
Eric Christopher
09658d704d Fix build by actually declaring the variable.
llvm-svn: 104201
2010-05-20 00:59:30 +00:00
Eric Christopher
1a7bc06b28 Partial code for emitting thread local bss data.
llvm-svn: 104197
2010-05-20 00:49:07 +00:00
Mon P Wang
bfebbd889a Add support for assemblers that don't support periods in a name
llvm-svn: 102594
2010-04-29 04:00:56 +00:00
Chris Lattner
1cf4bded13 move elf section uniquing to MCContext. Along the way
merge XCore's section into MCSectionELF

llvm-svn: 100812
2010-04-08 21:26:26 +00:00
Chris Lattner
ecdad4bb0c eliminate the magic AbsoluteDebugSectionOffsets MAI hook,
which is really a property of the section being referenced.
Add a predicate to MCSection to replace it.

Yay for reduction in magic.

llvm-svn: 100367
2010-04-04 23:22:29 +00:00
Chris Lattner
2f1c065cef isAbsoluteEHSectionOffsets always returns false, eliminate it
and substitute false at the one call site.

llvm-svn: 100354
2010-04-04 21:29:44 +00:00
Chris Lattner
ff05ae7a33 move fastcall/stdcall mangling up into Mangler.
llvm-svn: 98384
2010-03-12 21:03:47 +00:00
Chris Lattner
e34dde1e83 move three lowering hooks from MAI to TLOF and make one of them
semantic instead of syntactic.  This completes MCization of
darwin/x86[-64]!

llvm-svn: 98145
2010-03-10 07:20:42 +00:00
Daniel Dunbar
96bc973155 MC: Change default comment column to 40 characters.
llvm-svn: 95378
2010-02-05 07:32:18 +00:00
Chris Lattner
325a36c358 Eliminate SetDirective, and replace it with HasSetDirective.
Default HasSetDirective to true, since most targets have it.

The targets that claim to not have it probably do, or it is
spelled differently. These include Blackfin, Mips, Alpha, and
PIC16.  All of these except pic16 are normal ELF targets, so
they almost certainly have it.

llvm-svn: 94585
2010-01-26 20:40:54 +00:00
Rafael Espindola
f46baf3304 Emit .comm alignment in bytes but .align in powers of 2 for ARM ELF.
Original patch by Sandeep Patel and updated by me.

llvm-svn: 94582
2010-01-26 20:21:43 +00:00
Chris Lattner
044439c9bc eliminate MCAsmInfo::NeedsSet: we now just use .set on any platform
that has it.

llvm-svn: 94581
2010-01-26 20:20:43 +00:00
Chris Lattner
ac1144c110 rename MAI::PICJumpTableDirective to MAI::GPRel32Directive to
make it clear what it is, instead of how it is used.

llvm-svn: 94448
2010-01-25 21:10:10 +00:00
Chris Lattner
fafb52a75a remove JumpTableDirective, it is always null.
llvm-svn: 94445
2010-01-25 20:52:54 +00:00
Chris Lattner
474395e815 all supported target now have aligned common support.
llvm-svn: 94413
2010-01-25 07:29:13 +00:00
Chris Lattner
617e6fb889 mcize lcomm, simplify .comm, extend both to support 64-bit sizes.
llvm-svn: 94299
2010-01-23 07:47:02 +00:00
Chris Lattner
7e1fa376cc resolve a fixme: the "nonexecutable stack directive" is actually
a .section.  Switch to it with SwitchSection.

However, I think that this directive should be safe on any ELF target.
If so, we should hoist it up out of the X86 and SystemZ targets.

llvm-svn: 94298
2010-01-23 07:21:06 +00:00
Chris Lattner
56c318f344 mcize visibility directives.
llvm-svn: 94295
2010-01-23 06:53:23 +00:00
Chris Lattner
62d08f5577 mcstreamerize .no_dead_strip and .reference for static ctors/dtors.
llvm-svn: 94290
2010-01-23 05:51:36 +00:00
Chris Lattner
f25a9e1265 revert 93934, removing the MCAsmInfo endianness bit. I can't
stomache MCAsmInfo having this, and I found a better solution to
this layering issue.

llvm-svn: 93985
2010-01-20 06:34:14 +00:00
Chris Lattner
8e3badb9a7 give MCAsmInfo a 'has little endian' bit. This is unfortunate, but
I really want clients of the streamer to be able to say "emit this
64-bit integer" and have it get broken down right by the streamer.

I may change this in the future, we'll see how it works out.

llvm-svn: 93934
2010-01-19 22:42:28 +00:00
Chris Lattner
50636e0db8 remove MAI::ZeroDirectiveSuffix, which is only used by MASM,
which we don't support anymore.

llvm-svn: 93886
2010-01-19 18:37:01 +00:00
Chris Lattner
15e2a64ec2 stop using the .lcomm pseudoop on darwin, instead, directly use the
.zerofill directive.  Streamerize its generation.

llvm-svn: 93868
2010-01-19 06:25:51 +00:00
Chris Lattner
f0edf967c7 hookize the cygwin ".linkonce" directive.
llvm-svn: 93855
2010-01-19 05:08:13 +00:00
Chris Lattner
7351e3a364 add a bool for whether .lcomm takes an alignment instead of basing this on "isdarwin".
llvm-svn: 93852
2010-01-19 04:48:20 +00:00
Chris Lattner
3821a5f168 move production of .reference directives for static ctor/dtor list on
darwin into common code.

llvm-svn: 93849
2010-01-19 04:34:02 +00:00
Chris Lattner
816fcd1287 Cleanup handling of .zerofill on darwin:
1. TargetLoweringObjectFileMachO should decide if something
   goes in zerofill instead of having every target do it.
2. TargetLoweringObjectFileMachO should assign said symbols to
   the right MCSection, the asmprinters should just emit to the
   right section.
3. Since all zerofill stuff goes through mcstreamer anymore,
   MAI can have a bool "haszerofill" instead of having the textual
   directive to emit.

llvm-svn: 93838
2010-01-19 02:09:44 +00:00
Chris Lattner
40f9b01ab5 switch x86 zerofill emission over to use MCStreamer.
llvm-svn: 93702
2010-01-18 01:21:08 +00:00
Anton Korobeynikov
fb7ac49d96 Allow symbols to start from the digit if target requests it. This allows, e.g. pinning
variables to specified absolute address. Make use of this feature for MSP430.
This unbreaks PR4776.

llvm-svn: 82227
2009-09-18 16:57:42 +00:00
Chris Lattner
7b52d90c9e Big change #1 for personality function references:
Eliminate the PersonalityPrefix/Suffix & NeedsIndirectEncoding
fields from MAI: they aren't part of the asm syntax, they are
related to the structure of the object file.

To replace their functionality, add a new 
TLOF::getSymbolForDwarfGlobalReference method which asks targets
to decide how to reference a global from EH in a pc-relative way.

The default implementation just returns the symbol.  The default
darwin implementation references the symbol through an indirect
$non_lazy_ptr stub.  The bizarro x86-64 darwin specialization
handles the weird "foo@GOTPCREL+4" hack.

DwarfException.cpp now uses this to emit the reference to the
symbol in the right way, and this also eliminates another 
horrible hack from DwarfException.cpp:

-    if (strcmp(MAI->getPersonalitySuffix(), "+4@GOTPCREL"))
-      O << "-" << MAI->getPCSymbol();

llvm-svn: 81991
2009-09-16 01:46:41 +00:00
Chris Lattner
249d5fe8b9 remove some horrible MAI hooks which fortunately turn out to be always empty.
llvm-svn: 81946
2009-09-15 23:11:32 +00:00
Chris Lattner
1c625a028e second part to r81695, I missed a directory.
llvm-svn: 81696
2009-09-13 19:03:08 +00:00
Bill Wendling
a6284af6bb Revert last patch. We need to put this into TargetLowering. There will be a lot
of EH stuff going into there, so we can wait to add them all then.

llvm-svn: 80036
2009-08-25 21:31:39 +00:00
Bill Wendling
b4579329b4 Comment formatting. Removing of unused #include and type forwarding.
OCD is fun!

llvm-svn: 80030
2009-08-25 21:01:42 +00:00
Bill Wendling
4dd702ce66 Add a target asm info hook to specify that particular bits of data in the FDE
should be forced to 32-bits (.long) even on 64-bit architectures. Darwin wants
these bits to be 64-bits (.quad). However, other platforms may disagree.

This is just the info right now and is part of a work-in-progress which needs
this. We'll add the actual *use* of this soon.

llvm-svn: 80024
2009-08-25 20:21:17 +00:00
Chris Lattner
16834ce974 fix a build error on the clang-i686-linux tester.
llvm-svn: 79778
2009-08-22 21:45:03 +00:00
Chris Lattner
8d5796f941 mcasminfo doesn't use std::string
llvm-svn: 79774
2009-08-22 21:05:21 +00:00
Chris Lattner
9f2ba3294f move the MCAsmInfo .cpp/.h files into the right
directories and rename them.

llvm-svn: 79768
2009-08-22 20:58:17 +00:00
Chris Lattner
5d8af49626 Rename TargetAsmInfo (and its subclasses) to MCAsmInfo.
llvm-svn: 79763
2009-08-22 20:48:53 +00:00