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Commit Graph

19 Commits

Author SHA1 Message Date
Michael J. Spencer
18689045ce MC: Add partial x86-64 support to COFF.
llvm-svn: 111728
2010-08-21 05:58:13 +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
3a1f8cf234 Work around a bug in the openbsd assembler on i386,
which doesn't support .quad correctly because it is
"really really old".  PR6528.

Yet another reason the mc assembler should take over ;-)

llvm-svn: 98205
2010-03-11 00:06:19 +00:00
Chris Lattner
d8ca814af2 don't reset defaults.
llvm-svn: 98004
2010-03-08 23:18:21 +00:00
Daniel Dunbar
7448368e5b Fix TextAlignFillValue in a few places
llvm-svn: 97151
2010-02-25 18:07:10 +00:00
Chris Lattner
e93c85eb5e daniel remembered why this was needed.
llvm-svn: 96440
2010-02-17 01:55:54 +00:00
Chris Lattner
ff307a48c2 add a comment explaining why darwin/i386 uses ## as a comment.
It's not clear why this is really required, but it was explicitly
added in r48808 with no real explanation or rdar #.

llvm-svn: 96438
2010-02-17 01:38:01 +00:00
Benjamin Kramer
32ff92be51 Minor warning fixes (semicolons, newline at EOF).
llvm-svn: 96343
2010-02-16 10:25:04 +00:00
Anton Korobeynikov
9436d20d76 Drop winmcasminfo and use normal AT&T COFF for all windows targets.
Otherwise AT&T asm printer is used with non-compatible MCAsmInfo and
there is no way to override this behaviour.

llvm-svn: 96165
2010-02-14 15:19:54 +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
Chris Lattner
355085f393 Remove support for i386 tiger tools for aligned common symbols.
Previously we would just silently miscompile code that used aligned
common's, now at least you'll get a build error.  tiger-ppc already
triggered the build error because it didn't have a version of this
logic.

llvm-svn: 94412
2010-01-25 07:26:17 +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
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
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
384b7d24a9 rename COFFMCAsmInfo -> MCAsmInfoCOFF, likewise for darwin.
llvm-svn: 79773
2009-08-22 21:03:30 +00:00
Chris Lattner
5d8af49626 Rename TargetAsmInfo (and its subclasses) to MCAsmInfo.
llvm-svn: 79763
2009-08-22 20:48:53 +00:00