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391 Commits

Author SHA1 Message Date
Daniel Dunbar
742376cfaa MC: Fix some stray hunks I didn't intend to commit. 
llvm-svn: 107428
 2010-07-01 20:48:51 +00:00
Daniel Dunbar
37b4089fbf MC: Pass the target instance to the AsmParser constructor. 
llvm-svn: 107426
 2010-07-01 20:41:56 +00:00
Daniel Dunbar
cc754e66c6 MC: Move COFF enumeration constants to llvm/Support/COFF.h, patch by Michael 
Spencer!

llvm-svn: 107418
 2010-07-01 20:07:24 +00:00
Mikhail Glushenkov
0163e1e289 Trailing whitespace. 
llvm-svn: 107360
 2010-07-01 01:00:22 +00:00
Bill Wendling
59ef9bcc6d Revert r107205 and r107207. 
llvm-svn: 107215
 2010-06-29 22:34:52 +00:00
Bill Wendling
05a4c0b1f2 Introducing the "linker_weak" linkage type. This will be used for Objective-C 
metadata types which should be marked as "weak", but which the linker will
remove upon final linkage. For example, the "objc_msgSend_fixup_alloc" symbol is
defined like this:

       .globl l_objc_msgSend_fixup_alloc
       .weak_definition l_objc_msgSend_fixup_alloc
       .section __DATA, __objc_msgrefs, coalesced
       .align 3
l_objc_msgSend_fixup_alloc:
        .quad   _objc_msgSend_fixup
        .quad   L_OBJC_METH_VAR_NAME_1

This is different from the "linker_private" linkage type, because it can't have
the metadata defined with ".weak_definition".

llvm-svn: 107205
 2010-06-29 21:24:00 +00:00
Kevin Enderby
aaad4f57f0 Added the darwin .secure_log_unique and .secure_log_reset directives. 
llvm-svn: 107077
 2010-06-28 21:45:58 +00:00
Daniel Dunbar
2c6d6693e2 MC: Simplify MCAssembler::isSymbolLinkerVisible to only take an MCSymbol. 
llvm-svn: 106142
 2010-06-16 20:04:29 +00:00
Daniel Dunbar
7631ddfec4 MC: Lift SwitchSection() and Finish() into MCObjectStreamer. 
llvm-svn: 106141
 2010-06-16 20:04:25 +00:00
Daniel Dunbar
d52ca1c3e5 MC: Factor out an MCObjectStreamer class, which will be shared by the concrete 
object file format writers.

llvm-svn: 106140
 2010-06-16 20:04:22 +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
87dcbd1ee5 MC: Eliminate MCAsmFixup, replace with MCFixup. 
llvm-svn: 104699
 2010-05-26 15:18:56 +00:00
Daniel Dunbar
fe22195ea6 MC: Simplify MCFixup and increase the available offset size. 
llvm-svn: 104698
 2010-05-26 15:18:40 +00:00
Daniel Dunbar
55c1bf55fe MC: Use accessors for access to MCAsmFixup. 
llvm-svn: 104697
 2010-05-26 15:18:31 +00:00
Daniel Dunbar
a06aa279f4 MC: Eliminate MCFragment vtable, which was unnecessary. 
llvm-svn: 104689
 2010-05-26 06:50:57 +00:00
Eric Christopher
371732bd2a Start adding mach-o tls reloc support. 
llvm-svn: 104651
 2010-05-26 00:02:12 +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
Nathan Jeffords
28b485543b added an assertion to MCObjectWriter::WriteBytes to catch misuse of the ZeroFillSize parameter 
If the size of the string is greater than the zero fill size, the function will attempt to write a very large string of zeros to the object file (~4GB on 32 bit platforms). This assertion will catch the scenario and crash the program before the write occurs.

llvm-svn: 104334
 2010-05-21 18:23:56 +00:00
Matt Fleming
0ca99c0262 Add support for parsing the ELF .type assembler directive. 
llvm-svn: 104316
 2010-05-21 11:36:59 +00:00
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
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
Kevin Enderby
14c986967b Added support in MC for Directional Local Labels. 
llvm-svn: 103989
 2010-05-17 23:08:19 +00:00
Eric Christopher
6ea9cf8425 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
Daniel Dunbar
7e141838cd MC: Add dyn_cast support to MCSection. 
- Of questionable utility, since in general anything which wants to do this should probably be within a target specific hook, which can rely on the sections being of the appropriate type. However, it can be useful for short term hacks.

llvm-svn: 103980
 2010-05-17 21:54:26 +00:00
Eric Christopher
380e16a725 Add some section and constant support for darwin TLS. 
llvm-svn: 103974
 2010-05-17 21:02:07 +00:00
Daniel Dunbar
8f5da3624f 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
Eric Christopher
ebea91f168 Add AsmParser support for darwin tbss directive. 
Nothing uses this yet.

llvm-svn: 103757
 2010-05-14 01:50:28 +00:00
Nick Lewycky
aeb998db39 Fix typo. 
llvm-svn: 103755
 2010-05-14 01:02:48 +00:00
Daniel Dunbar
7fee3c7b28 MC: Switch to completely lazy layout. 
- The eliminates the last major algorithmic problem with MC.

llvm-svn: 103754
 2010-05-14 00:51:14 +00:00
Daniel Dunbar
66c2ccec2d MC: Extend MCAsmLayout to explicitly track which fragments have been layed out, and enforce several invariants to LayoutFragment to ensure we only do layout in a sensible order. 
llvm-svn: 103753
 2010-05-14 00:37:21 +00:00
Daniel Dunbar
11467b2eaa MC: Switch MCFragment to storing the layout order index, not its index in the file. 
llvm-svn: 103751
 2010-05-14 00:37:14 +00:00
Daniel Dunbar
b2a98e0a16 MC: Change LayoutSection() to only do the section initializiation. 
Also, elimminate MCAsmLayout::set*, which are no longer needed.

llvm-svn: 103750
 2010-05-14 00:37:11 +00:00
Daniel Dunbar
86825a9719 MC: Move Layout{Fragment,Section} into MCAsmLayout, and add LayoutFile(). 
llvm-svn: 103738
 2010-05-13 20:40:12 +00:00
Daniel Dunbar
b142c00db4 MC: Factor out MCAssembler::ComputeFragmentSize. 
llvm-svn: 103724
 2010-05-13 18:35:06 +00:00
Daniel Dunbar
5a601f9e09 MC: Add section layout order indices to MCSectionData. 
llvm-svn: 103715
 2010-05-13 15:17:26 +00:00
Daniel Dunbar
5ef1bcbb97 MC: Add MCAsmLayout::FragmentReplaced() helper function. 
llvm-svn: 103709
 2010-05-13 08:43:31 +00:00
Daniel Dunbar
561f55c1af MC: Eliminate MCSectionData::{,Address,File}Size, which can now be computed by 
utility functions.

llvm-svn: 103695
 2010-05-13 03:19:50 +00:00
Daniel Dunbar
3fc379596a MC: Add MCAlignFragment::OnlyAlignAddress bit. This is a bit of magic that says the align fragment shouldn't contribute to the logical section size, it is will be used for cleaning up the code to handle section alignment. 
llvm-svn: 103690
 2010-05-13 01:10:26 +00:00
Daniel Dunbar
ec3a2ac5ed MC: Add MCSectionData::AddressSize, which is the size of the address space consumed by the section. This can differ from both the section logical size, and the section size on disk (although the current code handles this without making an explicit distinction). 
llvm-svn: 103689
 2010-05-13 01:10:22 +00:00
Daniel Dunbar
de7caed021 MC: Move MCAlignFragment::EmitNops value out of the constructor. 
llvm-svn: 103665
 2010-05-12 22:56:23 +00:00
Daniel Dunbar
cf11e2a0a5 MC: Eliminate MCZeroFillFragment, it is no longer needed. 
llvm-svn: 103664
 2010-05-12 22:51:38 +00:00
Daniel Dunbar
08bcc3a6fc MC: Switch MCFillFragment to storing total fill size instead of a count. This allows using ValueSize==0 to represent a virtual fill. 
llvm-svn: 103662
 2010-05-12 22:51:32 +00:00
Daniel Dunbar
d3f60794d8 MC: Drop support for alignment in ZeroFill fragment, we can just use 
MCAlignFragments for this.

llvm-svn: 103661
 2010-05-12 22:51:27 +00:00
Daniel Dunbar
6a495507e5 MC: Factor out MCAssembler::LayoutFragment 
llvm-svn: 103649
 2010-05-12 21:35:25 +00:00
Daniel Dunbar
7b72c3c7a0 MC: Simplify LayoutSection to just take the index of the section to layout. 
llvm-svn: 103627
 2010-05-12 17:56:47 +00:00
Daniel Dunbar
adca38558e MC: Track section layout order explicitly, and use to simplify. 
llvm-svn: 103616
 2010-05-12 15:42:59 +00:00
Rafael Espindola
3efc86abab Add support for movi32 of global values to the new (MC) asm printer. 
llvm-svn: 103576
 2010-05-12 05:16:34 +00:00