Nick Lewycky
7aabcb1fc0
Also create a shndx even if there are no symbols. This lets us test
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.symtab_shndx reading and writing together, and finally we have a testcase for
r141440.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141641 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11 03:54:50 +00:00
Owen Anderson
042aadd8ee
MCAtom extending methods need to extend the range of the atom as well.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141557 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10 18:09:38 +00:00
Nick Lewycky
d2fdb4a285
Don't emit the symbol table entry for the .symtab_shndx section either.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141440 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07 23:29:53 +00:00
Nick Lewycky
4a8d43e9a7
Remove extraneous curlies. No functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141439 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07 23:28:32 +00:00
Nick Lewycky
b3429d34b6
Don't emit a shstrtabindex in the reserved range. Spotted by inspection and
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patch by Cary Coutant!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141413 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07 20:58:24 +00:00
Nick Lewycky
aaae3f6bc1
Clarify/fix typo. No functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141412 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07 20:56:23 +00:00
Owen Anderson
2fec6c5ff1
Teach the MC to output code/data region marker labels in MachO and ELF modes. These are used by disassemblers to provide better disassembly, particularly on targets like ARM Thumb that like to intermingle data in the TEXT segment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141135 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04 23:26:17 +00:00
Kevin Enderby
9e5887b17e
Adding back support for printing operands symbolically to ARM's new disassembler
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using llvm's public 'C' disassembler API now including annotations.
Hooked this up to Darwin's otool(1) so it can again print things like branch
targets for example this:
blx _puts
instead of this:
blx #-36
and includes support for annotations for branches to symbol stubs like:
bl 0x40 @ symbol stub for: _puts
and annotations for pc relative loads like this:
ldr r3, #8 @ literal pool for: Hello, world!
Also again can print the expression encoded in the Mach-O relocation entries for
things like this:
movt r0, :upper16:((_foo-_bar)+1234)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141129 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04 22:44:48 +00:00
Akira Hatanaka
291512f96f
Add definition of MipsELFObjectWriter.
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Patch by Reed Kotler at Mips Technologies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140891 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-30 21:55:40 +00:00
Benjamin Kramer
dd16400033
Sort CMakeLists.txt.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140465 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-24 22:06:35 +00:00
Eli Friedman
7666c7e4d2
PR10989: Don't print .hidden on Windows.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140356 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23 00:13:02 +00:00
Owen Anderson
db01cdd06b
Add new files to CMake.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140352 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-22 23:20:48 +00:00
Benjamin Kramer
da7d6ccef5
Update CMake build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140347 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-22 22:38:34 +00:00
Owen Anderson
124e182103
Start stubbing out MCModule and MCAtom, which provide an API for accessing the rich disassembly of a complete object or executable.
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These are very much a work in progress, and not really useful yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140345 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-22 22:32:22 +00:00
Owen Anderson
317eaf1993
In the disassembler C API, be careful not to confuse the comment streamer that the disassembler outputs annotations on with the streamer that the InstPrinter will print them on.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140217 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-21 00:25:23 +00:00
Benjamin Kramer
a182be9b6c
MCInstrAnalysis: Don't crash on instructions with no operands.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140027 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-19 17:56:00 +00:00
Owen Anderson
98c5ddabca
Don't attach annotations to MCInst's. Instead, have the disassembler return, and the printer accept, an annotation string which can be passed through if the client cares about annotations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139876 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-15 23:38:46 +00:00
Owen Anderson
8f29e6969e
The the MC disassembler C API to print in verbose mode. Perhaps there should be a parameter to request verbose mode?
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139821 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-15 18:37:20 +00:00
Owen Anderson
ede042dc8d
Add support for stored annotations to MCInst, and provide facilities for MC-based InstPrinters to print them out. Enhance the ARM and X86 InstPrinter's to do so in verbose mode.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139820 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-15 18:36:29 +00:00
Jim Grosbach
10ec65004d
Assmebler symbol attribute directives don't work on temporary symbols.
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Assembler private local symbols aren't legal targets of symbol attributes,
so issue a diagnostic for them.
Based on patch by Stepan Dyatkovskiy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139807 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-15 17:56:49 +00:00
Jim Grosbach
70796ca867
Handle missing newline at EOF more gracefully in MC AsmLexer.
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If we see an EOF w/o a preceding end-of-line, return an EndOfStatement
token before returning the Eof token.
Based on patch by Stepan Dyatkovskiy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139798 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-15 16:52:06 +00:00
Jim Grosbach
6148225b95
Move state var to private class member.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139697 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-14 16:37:04 +00:00
Kevin Enderby
f1c21a8da6
First step in supporting #line directives in assembler. This step parses the
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#line directives with the needed support in the lexer. Next will be to build
a simple file/line# table mapping source SMLoc's for later use by diagnostics.
And the last step will be to get the diagnostics to use the mapping for file
and line numbers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139669 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13 23:45:18 +00:00
Eric Christopher
d1e002a0a3
Formatting and typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139325 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08 22:17:40 +00:00
Kevin Enderby
5afc19002e
Fix a Darwin x86_64 special case of a jmp to a temporary symbol from an atom
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without a base symbol that must not have a relocation entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139316 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08 20:53:44 +00:00
James Molloy
b950585cc5
Refactor instprinter and mcdisassembler to take a SubtargetInfo. Add -mattr= handling to llvm-mc. Reviewed by Owen Anderson.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139237 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07 17:24:38 +00:00
Bill Wendling
d8ab8e9707
As a first step, emit both the compact unwind and CIE/FDEs for a function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139152 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-06 18:37:11 +00:00
Duncan Sands
147272b8a7
Darwin wants ctors/dtors to be ordered the other way round to linux.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139015 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-02 18:07:19 +00:00
Benjamin Kramer
36a16015ac
Don't drop alignment info on local common symbols.
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- On COFF the .lcomm directive has an alignment argument.
- On ELF we fall back to .local + .comm
Based on a patch by NAKAMURA Takumi.
Fixes PR9337, PR9483 and PR10128.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138976 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-01 23:04:27 +00:00
James Molloy
ee06443945
Fix apparent build error caused by r138948 on certain versions of GCC with -Werror. Sorry for the inconvenience.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138973 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-01 22:01:14 +00:00
Nick Lewycky
833a003da0
Fix the build for us -Werror users.
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Remove broken emacs mode major notation marking a C++ file as C.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138963 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-01 21:09:04 +00:00
James Molloy
c047dcade5
Fix up r137380 based on post-commit review by Jim Grosbach.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138948 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-01 18:02:14 +00:00
Jeffrey Yasskin
cda2a146d1
Fix C++0x narrowing errors when char is unsigned.
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In the case of EDInstInfo, this would actually cause a bug when -1 became 255
and was then compared >=0 in llvm-mc/Disassembler.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138825 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-30 20:53:29 +00:00
Bill Wendling
8e5cf90923
Fix grammar, noticed by Duncan.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138764 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-29 21:03:12 +00:00
Bill Wendling
98ba358fdb
Initialize CompactUnwindSection so that other targets won't use an uninitialized value.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138752 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-29 18:25:59 +00:00
Benjamin Kramer
2df9f8df95
Initialize member variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138548 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25 04:04:18 +00:00
Evan Cheng
5fbe5e783e
Some autoconf tests use module level inline asm to test compiler's handling of
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.cfi_startproc. e.g. libffi:
$ cat confopt.c
asm (".cfi_startproc\n\t.cfi_endproc");
int main () { return 0; }
Teach MC / dwarf emission to handle these cfi directives which essentially
create an empty frame.
rdar://10017184
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138504 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24 22:31:37 +00:00
Evan Cheng
3e74d6fdd2
Move TargetRegistry and TargetSelect from Target to Support where they belong.
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These are strictly utilities for registering targets and components.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138450 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24 18:08:43 +00:00
Jim Grosbach
fbe1681490
Fix AsmParser binary precedence for shift operators.
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rdar://9976729
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138208 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-20 16:24:13 +00:00
Sean Callanan
40827c4190
Fixed a memory bug in the MCDisassembler where
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MCParsedAsmOperand objects were being leaked.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138053 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-19 18:23:06 +00:00
Jim Grosbach
1b84cce77f
Remove unused Target argument from AsmParser construction methods.
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The argument is unused, and is a layering violation in any case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137735 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16 18:33:49 +00:00
Benjamin Kramer
0d46ccfc5c
MachOWriter: Don't crash on fixups with arithmetic, emit a relocation instead. This matches what as does.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137414 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12 01:51:29 +00:00
Jim Grosbach
739b5576ad
Don't truncate MachO addresses.
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Assigned symbol addresses get truncated to 32-bits, even on 64-bit platforms.
That's obviously bogus.
For example,
.globl _foo
.equ _foo, 0x987654321ULL
rdar://9922863
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137158 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09 22:12:37 +00:00
Benjamin Kramer
08de97a5b0
Pacify virtual dtor warnings and cmake buildbots.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137060 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-08 19:09:02 +00:00
Benjamin Kramer
41ab14b725
Add MCInstrAnalysis class. This allows the targets to specify own versions of MCInstrDescs functions.
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- Add overrides for ARM.
- Teach llvm-objdump to use this instead of plain MCInstrDesc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137059 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-08 18:56:44 +00:00
Chris Lattner
0ecd825e54
allow \r's in .s files.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136908 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-04 19:31:26 +00:00
Roman Divacky
2a66cea1b8
Introduce adjustFixupOffset that adjusts the fixup offset of a relocation.
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This is meant to be overriden by backends. Implement an override on PowerPC
which adjusts the offset by 2 for ha16/lo16 relocation kinds. This removes
a commented out hack and enables hello world to be compiled on PowerPC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136905 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-04 19:08:19 +00:00
Rafael Espindola
bbf9c4a14e
Add an assert to check that the Addend fits the file format.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136868 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-04 13:05:26 +00:00
Jason W Kim
e651983e71
Fix http://llvm.org/bugs/show_bug.cgi?id=10568
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Move the reloc size assert into AsmBackend - where it is more apropos.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136855 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-04 00:38:45 +00:00
Rafael Espindola
49cb9b8886
Assume .cfi_startproc is the first thing in a function. If the function is
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externally visable, create a local symbol to use in the CFE. If not, use the
function label itself.
Fixes PR10420.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136716 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02 20:24:22 +00:00