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836 Commits

Author SHA1 Message Date
Rafael Espindola
db9835d089 Fix PR8565. 
This moves most of the isUsed logic to the MCSymbol itself. With this we
get a bit more relaxed about allowing definitions after uses: uses that
don't evaluate their argument immediately (jmp foo) are accepted.

ddunbar, this was the smallest compromise I could think of that lets us
accept gcc (and clang!) assembly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119144 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-15 14:40:36 +00:00
Chris Lattner
3170a3bc04 correct the fixup comment printer to work on big endian platforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119122 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-15 05:56:19 +00:00
Chris Lattner
1e61e69d40 add targetoperand flags for jump tables, constant pool and block address 
nodes to indicate when ha16/lo16 modifiers should be used.  This lets
us pass PowerPC/indirectbr.ll.

The one annoying thing about this patch is that the MCSymbolExpr isn't
expressive enough to represent ha16(label1-label2) which we need on
PowerPC.  I have a terrible hack in the meantime, but this will have
to be revisited at some point.

Last major conversion item left is global variable references.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119105 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-15 02:46:57 +00:00
Rafael Espindola
1f52dfe69e Move the logic to decide with which symbol we produce a relocation (if any) to 
a central location. This also makes us a bit more compatible with gas.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119094 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 23:53:26 +00:00
Chris Lattner
6135a96792 reimplement ppc asmprinter "toc" handling to use a VariantKind 
on the operand, required for .o file writing and fixing 
the PowerPC/mult-alt-generic-powerpc64.ll failure with the new
instprinter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119087 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 22:22:59 +00:00
Rafael Espindola
55d02f3a13 Fix another case of a .comm directive without a corresponding .type 
directive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119073 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 21:11:16 +00:00
Rafael Espindola
765fb1a446 Fix the type of a symbol created with .comm and no corresponding .type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119060 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 19:40:55 +00:00
Rafael Espindola
1f4f9e3d35 Handle a peculiar comdat case: Creating a section with an undefined 
signature symbol causes a local symbol to be created unless there is
some other use of the symbol.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119026 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 04:17:37 +00:00
Rafael Espindola
ab4a7afe98 Simplify getSymbolIndexInSymbolTable by setting the actual index of 
the symbols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119022 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 03:12:24 +00:00
Rafael Espindola
7e528a1724 Fix warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119021 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 01:34:31 +00:00
Daniel Dunbar
115a3dd066 MC: Simplify Mach-O and ELF object writer implementations. 
- What was I thinking?????

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118992 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 07:33:40 +00:00
Rafael Espindola
e9c0ff2a76 Fix warning and add support for printing gnu_unique_object. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118981 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 04:55:06 +00:00
Rafael Espindola
e13a0ff8ac Parse and record the gnu_unique_object type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118980 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 04:51:02 +00:00
Rafael Espindola
c50a0fd7cb Parse and remember discriminators in .loc line. I try to output them with 
another patch.
This lets us parse a bit more of the gcc 4.5 output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118975 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 03:18:27 +00:00
Rafael Espindola
64185cc609 Fix the encoding of negative line deltas. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118962 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 01:06:27 +00:00
Benjamin Kramer
1261a2ff99 MCELF: Copy the symbol name only if we're going to modify it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118920 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 19:26:04 +00:00
Rafael Espindola
bac0ad9eda Remove what looks like dead code in the production of debug lines. 
We only produce debug line information if we have seen a line directive, so
this code is dead. Also, if we want to be bug by bug compatible with
gas and sometimes produce "empty" .debug_line sections, this will
match the content produced by gas.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118914 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 18:41:26 +00:00
Rafael Espindola
d4a352609f gnu as support both % and @ before types, do the same. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118893 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 15:47:08 +00:00
Jim Grosbach
3c3849297b Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118831 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 20:16:23 +00:00
Rafael Espindola
e1a2587ee2 Mark labels declared in tls sections as STT_TLS. This matches the behavior of 
gas.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118818 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 19:04:55 +00:00
Rafael Espindola
2ff9e83a82 Initial comdat implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118805 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 18:13:52 +00:00
Rafael Espindola
9302bd664d Make AliasedSymbol able to handle MCTargetExpr. They can get here if 
a weakref is used with a VariantKind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118798 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 17:24:43 +00:00
Rafael Espindola
03f1b74aed Fix the symbol index of weak references. Also make RecordRelocation a bit 
easier to read by having const references to the symbol, aliased symbol and
renamed symbol.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118793 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 16:48:11 +00:00
Rafael Espindola
3f2d13c98e Remove some explicit arguments to getELFSection. This is 
a leftover from the removal of isExplicit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118774 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 03:40:25 +00:00
Rafael Espindola
c87a94a942 Factor some code into WriteSection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118733 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 23:36:59 +00:00
Rafael Espindola
1d739a010d Update the section index map after we add the medatada sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118728 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 22:34:07 +00:00
Rafael Espindola
4beee3d06b Use SectionIndexMap in WriteSymbolTable to make it a little less brittle. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118725 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 22:16:43 +00:00
Rafael Espindola
bab2a80525 Factor some code into ComputeIndexMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118722 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 21:51:05 +00:00
Rafael Espindola
af3d38f70e Change the String<size> methods to take a fragment instead of a buffer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118709 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 20:02:59 +00:00
Rafael Espindola
4283f4b81e Use MCSectionELF in places we know we have an ELF section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118699 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 19:05:07 +00:00
Jim Grosbach
2c4d5125c7 Update ARMConstantPoolValue to not use a modifier string. Use an explicit 
VariantKind marker to indicate the additional information necessary. Update
MC to handle the new Kinds. rdar://8647623



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118671 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 03:26:07 +00:00
Rafael Espindola
34be396a12 Fixed version of 118639 with an extra assert to catch similar problems 
earlier. Implicit bool -> int conversions are evil!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118651 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 23:42:07 +00:00
Rafael Espindola
037b5be15a Revert previous patch. Missed a case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118645 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 22:54:38 +00:00
Rafael Espindola
e61a1ac595 Remove IsExplicit. It was always false. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118639 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 22:37:44 +00:00
Daniel Dunbar
603abd5619 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118421 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 17:53:02 +00:00
Rafael Espindola
4faf7c78fe Set default flags for .rodata. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 02:47:59 +00:00
Rafael Espindola
e25e1ef48b Speed up AddSectionToTheEnd. It was walking all fragments in all sections. 
This is really slow with we have 1000s of sections each with a corresponding
relocation section. Also, it is only used by the ELF writer to add
basic data, so there is no need to force a new layout pass.

Should fix PR8563.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118377 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-07 15:03:27 +00:00
Rafael Espindola
187d8339db Relax dwarf line fragments. This fixes a crash in the included testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118365 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-07 02:07:12 +00:00
Jim Grosbach
ba21957cbd Add '.code 32' assembler directive to MC streamers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118309 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-05 22:40:09 +00:00
Jim Grosbach
ce79299f78 MC'ize the '.code 16' and '.thumb_func' ARM directives. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118301 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-05 22:08:08 +00:00
Benjamin Kramer
f79856986d Put class into an anonymous namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118294 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-05 19:56:38 +00:00
Jim Grosbach
c9d1439051 Allow targets to specify the MachO CPUType/CPUSubtype information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118288 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-05 18:48:58 +00:00
Jim Grosbach
41ed3ca19d syntaxunified directive is a no-op for MachO writing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118287 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-05 18:47:32 +00:00
Rafael Espindola
7387345016 Add 118023 back, but with proper spelling for .uleb128/.sleb128. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118254 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-04 18:17:08 +00:00
Rafael Espindola
187ce544b2 Do relaxations with FT_Org fragments. Fixes the FIXME: 
// FIXME: We should compute this sooner, we don't want to recurse here, and
    // we would like to be more functional.

In MCAssembler::ComputeFragmentSize.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118080 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 21:38:23 +00:00
Rafael Espindola
3ff57094a7 Add support for expressions in .sleb/.uleb directives. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118023 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 17:22:24 +00:00
Rafael Espindola
c70a1d985a Write the line info to .debug_line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117930 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 17:07:14 +00:00
Rafael Espindola
f89671d994 Move EmitInstruction to MCObjectStreamer so that ELF and MachO can share it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117925 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 16:27:31 +00:00
Rafael Espindola
cc3acee7b3 Add support for .value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117922 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 15:29:07 +00:00
Rafael Espindola
484291c273 Implement .weakref. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117911 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 14:28:48 +00:00