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1412 Commits

Author SHA1 Message Date
Kevin Enderby
974c799a5a Finish supporting cpp #file/line comments in assembler for error messages. So 
for cpp pre-processed assembly we give correct filename and line numbers when
reporting errors in assembly files when using clang and -integrated-as on .s
files. rdar://8998895

llvm-svn: 141814
 2011-10-12 21:38:39 +00:00
Nick Lewycky
add3022a37 Hoist vector.size() computation out of the loop. No functionality change. 
llvm-svn: 141807
 2011-10-12 20:20:48 +00:00
Nick Lewycky
509687695f Also create a shndx even if there are no symbols. This lets us test 
.symtab_shndx reading and writing together, and finally we have a testcase for
r141440.

llvm-svn: 141641
 2011-10-11 03:54:50 +00:00
Owen Anderson
40a0b83c92 MCAtom extending methods need to extend the range of the atom as well. 
llvm-svn: 141557
 2011-10-10 18:09:38 +00:00
Nick Lewycky
8b0cf65af7 Don't emit the symbol table entry for the .symtab_shndx section either. 
llvm-svn: 141440
 2011-10-07 23:29:53 +00:00
Nick Lewycky
95b57a67cb Remove extraneous curlies. No functionality change. 
llvm-svn: 141439
 2011-10-07 23:28:32 +00:00
Nick Lewycky
fe793806e9 Don't emit a shstrtabindex in the reserved range. Spotted by inspection and 
patch by Cary Coutant!

llvm-svn: 141413
 2011-10-07 20:58:24 +00:00
Nick Lewycky
112a7ae899 Clarify/fix typo. No functionality change. 
llvm-svn: 141412
 2011-10-07 20:56:23 +00:00
Owen Anderson
e255773f3d 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. 
llvm-svn: 141135
 2011-10-04 23:26:17 +00:00
Kevin Enderby
5a09a8db55 Adding back support for printing operands symbolically to ARM's new disassembler 
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)

llvm-svn: 141129
 2011-10-04 22:44:48 +00:00
Akira Hatanaka
067f6ce2f1 Add definition of MipsELFObjectWriter. 
Patch by Reed Kotler at Mips Technologies.

llvm-svn: 140891
 2011-09-30 21:55:40 +00:00
Benjamin Kramer
8cab81e0ef Sort CMakeLists.txt. 
llvm-svn: 140465
 2011-09-24 22:06:35 +00:00
Eli Friedman
6f0131b3a7 PR10989: Don't print .hidden on Windows. 
llvm-svn: 140356
 2011-09-23 00:13:02 +00:00
Owen Anderson
a8bb97f784 Add new files to CMake. 
llvm-svn: 140352
 2011-09-22 23:20:48 +00:00
Benjamin Kramer
a83c5493ec Update CMake build. 
llvm-svn: 140347
 2011-09-22 22:38:34 +00:00
Owen Anderson
d3151e11e8 Start stubbing out MCModule and MCAtom, which provide an API for accessing the rich disassembly of a complete object or executable. 
These are very much a work in progress, and not really useful yet.

llvm-svn: 140345
 2011-09-22 22:32:22 +00:00
Owen Anderson
fbec62c99e 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. 
llvm-svn: 140217
 2011-09-21 00:25:23 +00:00
Benjamin Kramer
b758741823 MCInstrAnalysis: Don't crash on instructions with no operands. 
llvm-svn: 140027
 2011-09-19 17:56:00 +00:00
Owen Anderson
e54c4beb5a 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. 
llvm-svn: 139876
 2011-09-15 23:38:46 +00:00
Owen Anderson
5514958222 The the MC disassembler C API to print in verbose mode. Perhaps there should be a parameter to request verbose mode? 
llvm-svn: 139821
 2011-09-15 18:37:20 +00:00
Owen Anderson
84d4e5d0e2 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. 
llvm-svn: 139820
 2011-09-15 18:36:29 +00:00
Jim Grosbach
e341895736 Assmebler symbol attribute directives don't work on temporary symbols. 
Assembler private local symbols aren't legal targets of symbol attributes,
so issue a diagnostic for them.

Based on patch by Stepan Dyatkovskiy.

llvm-svn: 139807
 2011-09-15 17:56:49 +00:00
Jim Grosbach
00e28bee78 Handle missing newline at EOF more gracefully in MC AsmLexer. 
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.

llvm-svn: 139798
 2011-09-15 16:52:06 +00:00
Jim Grosbach
36d319e831 Move state var to private class member. 
llvm-svn: 139697
 2011-09-14 16:37:04 +00:00
Kevin Enderby
4a91571f82 First step in supporting #line directives in assembler. This step parses the 
#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.

llvm-svn: 139669
 2011-09-13 23:45:18 +00:00
Eric Christopher
fc8e09962f Formatting and typo. 
llvm-svn: 139325
 2011-09-08 22:17:40 +00:00
Kevin Enderby
16f9df1f05 Fix a Darwin x86_64 special case of a jmp to a temporary symbol from an atom 
without a base symbol that must not have a relocation entry.

llvm-svn: 139316
 2011-09-08 20:53:44 +00:00
James Molloy
f781d3d8e9 Refactor instprinter and mcdisassembler to take a SubtargetInfo. Add -mattr= handling to llvm-mc. Reviewed by Owen Anderson. 
llvm-svn: 139237
 2011-09-07 17:24:38 +00:00
Bill Wendling
32608b1900 As a first step, emit both the compact unwind and CIE/FDEs for a function. 
llvm-svn: 139152
 2011-09-06 18:37:11 +00:00
Duncan Sands
33f33411e8 Darwin wants ctors/dtors to be ordered the other way round to linux. 
llvm-svn: 139015
 2011-09-02 18:07:19 +00:00
Benjamin Kramer
bd939ad83e Don't drop alignment info on local common symbols. 
- 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.

llvm-svn: 138976
 2011-09-01 23:04:27 +00:00
James Molloy
5f19051fbd Fix apparent build error caused by r138948 on certain versions of GCC with -Werror. Sorry for the inconvenience. 
llvm-svn: 138973
 2011-09-01 22:01:14 +00:00
Nick Lewycky
99efd4b3ac Fix the build for us -Werror users. 
Remove broken emacs mode major notation marking a C++ file as C.
No functionality change.

llvm-svn: 138963
 2011-09-01 21:09:04 +00:00
James Molloy
4a63186421 Fix up r137380 based on post-commit review by Jim Grosbach. 
llvm-svn: 138948
 2011-09-01 18:02:14 +00:00
Jeffrey Yasskin
8f36e758c2 Fix C++0x narrowing errors when char is unsigned. 
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.

llvm-svn: 138825
 2011-08-30 20:53:29 +00:00
Bill Wendling
d9df43679c Fix grammar, noticed by Duncan. 
llvm-svn: 138764
 2011-08-29 21:03:12 +00:00
Bill Wendling
6d2c747e53 Initialize CompactUnwindSection so that other targets won't use an uninitialized value. 
llvm-svn: 138752
 2011-08-29 18:25:59 +00:00
Benjamin Kramer
fc1e6fbc69 Initialize member variable. 
llvm-svn: 138548
 2011-08-25 04:04:18 +00:00
Evan Cheng
7bfc442b2d Some autoconf tests use module level inline asm to test compiler's handling of 
.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

llvm-svn: 138504
 2011-08-24 22:31:37 +00:00
Evan Cheng
420bf5446c Move TargetRegistry and TargetSelect from Target to Support where they belong. 
These are strictly utilities for registering targets and components.

llvm-svn: 138450
 2011-08-24 18:08:43 +00:00
Jim Grosbach
a6e1ed8f2b Fix AsmParser binary precedence for shift operators. 
rdar://9976729

llvm-svn: 138208
 2011-08-20 16:24:13 +00:00
Sean Callanan
e6d9e9ed24 Fixed a memory bug in the MCDisassembler where 
MCParsedAsmOperand objects were being leaked.

llvm-svn: 138053
 2011-08-19 18:23:06 +00:00
Jim Grosbach
a9a0c62719 Remove unused Target argument from AsmParser construction methods. 
The argument is unused, and is a layering violation in any case.

llvm-svn: 137735
 2011-08-16 18:33:49 +00:00
Benjamin Kramer
e404b3e2d1 MachOWriter: Don't crash on fixups with arithmetic, emit a relocation instead. This matches what as does. 
llvm-svn: 137414
 2011-08-12 01:51:29 +00:00
Jim Grosbach
5a837d70a5 Don't truncate MachO addresses. 
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

llvm-svn: 137158
 2011-08-09 22:12:37 +00:00
Benjamin Kramer
3490c59cda Pacify virtual dtor warnings and cmake buildbots. 
llvm-svn: 137060
 2011-08-08 19:09:02 +00:00
Benjamin Kramer
8c3f23ec80 Add MCInstrAnalysis class. This allows the targets to specify own versions of MCInstrDescs functions. 
- Add overrides for ARM.
- Teach llvm-objdump to use this instead of plain MCInstrDesc.

llvm-svn: 137059
 2011-08-08 18:56:44 +00:00
Chris Lattner
e34bef3d5e allow \r's in .s files. 
llvm-svn: 136908
 2011-08-04 19:31:26 +00:00
Roman Divacky
23593046fc Introduce adjustFixupOffset that adjusts the fixup offset of a relocation. 
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.

llvm-svn: 136905
 2011-08-04 19:08:19 +00:00
Rafael Espindola
77b83123f6 Add an assert to check that the Addend fits the file format. 
llvm-svn: 136868
 2011-08-04 13:05:26 +00:00