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07cc84876e
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66 Commits

Author SHA1 Message Date
Rafael Espindola
07cc84876e Remove some dead code. 
llvm-svn: 169963
 2012-12-12 06:18:15 +00:00
Chandler Carruth
ed0881b2a6 Use the new script to sort the includes of every file under lib. 
Sooooo many of these had incorrect or strange main module includes.
I have manually inspected all of these, and fixed the main module
include to be the nearest plausible thing I could find. If you own or
care about any of these source files, I encourage you to take some time
and check that these edits were sensible. I can't have broken anything
(I strictly added headers, and reordered them, never removed), but they
may not be the headers you'd really like to identify as containing the
API being implemented.

Many forward declarations and missing includes were added to a header
files to allow them to parse cleanly when included first. The main
module rule does in fact have its merits. =]

llvm-svn: 169131
 2012-12-03 16:50:05 +00:00
Benjamin Kramer
f3e84b1790 Object: Pass the buffer name through when making a copy. 
Should bring the buildbots back to life.

llvm-svn: 168935
 2012-11-29 20:08:03 +00:00
Jim Grosbach
aae0a4bd87 Fix a memory leak in MachOObjectFile. 
MachOObjectFile owns a MachOObj, but never frees it. Both MachOObjectFile
and MachOObj want to own the MemoryBuffer, though, so we have to be careful
and give them each one of their own.

Thanks to Greg Clayton, Eric Christopher and Michael Spencer for helping
figure out what's going wrong here.

rdar://12561773

llvm-svn: 168923
 2012-11-29 19:14:11 +00:00
Tim Northover
4f223bf7c4 Add interface for querying object files for symbol values. 
Currently only implemented for ELF.

Patch by Amara Emerson.

llvm-svn: 166918
 2012-10-29 10:47:00 +00:00
Andrew Kaylor
b96a320a2e Cosmetic changes 
llvm-svn: 165588
 2012-10-10 01:45:52 +00:00
Andrew Kaylor
3f31fa05d5 This patch adds new functions to the SectionRef and ObjectFile interfaces to determine whether or not a section is meant to be read-only. These functions will be used by the MCJIT RuntimeDyld to give hints to the memory manager during the object loading process in a future patch. 
Patch by Ashok Thirumurthi.

llvm-svn: 165586
 2012-10-10 01:41:33 +00:00
Craig Topper
9520719b9b Mark some static arrays as const. 
llvm-svn: 157377
 2012-05-24 06:35:32 +00:00
Eli Friedman
4a80e94b86 Fix the implementation of MachOObjectFile::isSectionZeroInit so it follows the MachO spec. 
llvm-svn: 155976
 2012-05-02 02:31:28 +00:00
Benjamin Kramer
a737f7de2b Remove unused variable. 
llvm-svn: 154661
 2012-04-13 08:09:12 +00:00
Preston Gurd
2138ef6d3d This patch improves the MCJIT runtime dynamic loader by adding new handling 
of zero-initialized sections, virtual sections and common symbols
and preventing the loading of sections which are not required for
execution such as debug information.

Patch by Andy Kaylor!

llvm-svn: 154610
 2012-04-12 20:13:57 +00:00
Danil Malyshev
549515e128 Add a constructor for DataRefImpl and remove excess initialization. 
llvm-svn: 154371
 2012-04-10 01:54:44 +00:00
David Meyer
d53422d1a7 [Object] 
Make Binary::TypeID more granular, to distinguish between ELF 32/64 little/big

llvm-svn: 152435
 2012-03-09 20:41:57 +00:00
David Meyer
c429b80da1 [Object] 
Add ObjectFile::getLoadName() for retrieving the soname/installname of a shared object.

llvm-svn: 151845
 2012-03-01 22:19:54 +00:00
David Meyer
2fc34c5f84 [Object] 
* Add begin_dynamic_table() / end_dynamic_table() private interface to ELFObjectFile.
* Add begin_libraries_needed() / end_libraries_needed() interface to ObjectFile, for grabbing the list of needed libraries for a shared object or dynamic executable.
* Implement this new interface completely for ELF, leave stubs for COFF and MachO.
* Add 'llvm-readobj' tool for dumping ObjectFile information.

llvm-svn: 151785
 2012-03-01 01:36:50 +00:00
David Meyer
7e4b976c36 [Object] Add symbol attribute flags: ST_ThreadLocal, ST_Common, and ST_Undefined. Implement these completely for ELF. 
Rename ST_External to ST_Unknown, and slightly change its semantics. It now only indicates that the symbol's type
is unknown, not that the symbol is undefined. (For that, use ST_Undefined).

llvm-svn: 151696
 2012-02-29 02:11:55 +00:00
David Meyer
1df4b84db4 In the ObjectFile interface, replace isInternal(), isAbsolute(), isGlobal(), and isWeak(), with a bitset of flags. 
llvm-svn: 151670
 2012-02-28 23:47:53 +00:00
Michael J. Spencer
8c4729fd44 [Object] Add {begin,end}_dynamic_symbols stubs and implementation for ELF. 
Add -D option to llvm-nm to dump dynamic symbols.

Patch by David Meyer.

llvm-svn: 151600
 2012-02-28 00:40:37 +00:00
Danil Malyshev
cbe72fc959 Fixed ObjectFile functions: 
- getSymbolOffset() renamed as getSymbolFileOffset()
- getSymbolFileOffset(), getSymbolAddress(), getRelocationAddress() returns same result for ELFObjectFile, MachOObjectFile and COFFObjectFile.
- added getRelocationOffset()
- fixed MachOObjectFile::getSymbolSize()
- fixed MachOObjectFile::getSymbolSection()
- fixed MachOObjectFile::getSymbolOffset() for symbols without section data.

llvm-svn: 145408
 2011-11-29 17:40:10 +00:00
Chandler Carruth
37ab257b88 Revert r145180 as it is causing test failures on all the bots. 
Original commit message:
Fixed ObjectFile functions:
- getSymbolOffset() renamed as getSymbolFileOffset()
- getSymbolFileOffset(), getSymbolAddress(), getRelocationAddress() returns same result for ELFObjectFile, MachOObjectFile and COFFObjectFile.
- added getRelocationOffset()
- fixed MachOObjectFile::getSymbolSize()
- fixed MachOObjectFile::getSymbolSection()
- fixed MachOObjectFile::getSymbolOffset() for symbols without section data.

llvm-svn: 145182
 2011-11-27 10:37:47 +00:00
Danil Malyshev
2631f93f7d Fixed ObjectFile functions: 
- getSymbolOffset() renamed as getSymbolFileOffset()
- getSymbolFileOffset(), getSymbolAddress(), getRelocationAddress() returns same result for ELFObjectFile, MachOObjectFile and COFFObjectFile.
- added getRelocationOffset()
- fixed MachOObjectFile::getSymbolSize()
- fixed MachOObjectFile::getSymbolSection()
- fixed MachOObjectFile::getSymbolOffset() for symbols without section data.

llvm-svn: 145180
 2011-11-27 10:12:52 +00:00
Owen Anderson
debe01c660 If we're searching for a symbol reference to pretty-print a scattered relocation address, and we don't find a symbol table entry, try section begin addresses as well. 
llvm-svn: 143151
 2011-10-27 21:53:50 +00:00
Owen Anderson
62972f5cd3 Fix pretty printing of i386 local sect diff relocations, TLV relocations, and x86_64 TLV relocations in MachO. 
llvm-svn: 143140
 2011-10-27 20:46:09 +00:00
Owen Anderson
bc14bd3bfb Add support for scattered relocations to the MachO relocatation pretty printer. 
llvm-svn: 143051
 2011-10-26 20:42:54 +00:00
Owen Anderson
90c49c037e The order of the two symbol listings in a Macho x86_64 subtractor relocation is reversed from what seems intuitive to me. 
llvm-svn: 143035
 2011-10-26 17:28:49 +00:00
Owen Anderson
04e46b6ae4 Include the full 64 bits of relocation data in the type info for MachO relocations, so that we can recognize scattered relocations. 
llvm-svn: 143033
 2011-10-26 17:10:22 +00:00
Owen Anderson
7be76590e6 Expand relocation type field to 64 bits. MachO scattered relocations require 33 bits of type info. 
llvm-svn: 143032
 2011-10-26 17:08:49 +00:00
Owen Anderson
b92de2de71 Improve pretty printing of GOT relocations in MachO on x86_64. 
llvm-svn: 143031
 2011-10-26 17:05:20 +00:00
Eric Christopher
ff37313f12 Remove unused variable. 
llvm-svn: 143011
 2011-10-26 03:47:16 +00:00
Owen Anderson
377137e2ed Remove extraneous printing of "-PC". 
llvm-svn: 142970
 2011-10-25 20:44:00 +00:00
Owen Anderson
fa3e5200b8 Add support for the notion of "hidden" relocations. On MachO, these are relocation entries that are used as additional information for other, real relocations, rather than being relocations themselves. 
I'm not familiar enough with ELF or COFF to know if they should have any relocations marked hidden.

llvm-svn: 142961
 2011-10-25 20:35:53 +00:00
Owen Anderson
52cd8acafc Teach the MachO relocation pretty-printer to interpret ARM half-relocations. 
llvm-svn: 142938
 2011-10-25 18:48:41 +00:00
Owen Anderson
171f485f15 More fixes and improvements to MachO relocation pretty-printing, particular for x86 and x86_64 relocations with addends. 
llvm-svn: 142875
 2011-10-24 23:20:07 +00:00
Owen Anderson
c8c94da8c8 Get relocation parsing/dumping to a mostly-working state for MachO files. 
llvm-svn: 142852
 2011-10-24 21:44:00 +00:00
Owen Anderson
953af053eb Stub out some of the MachO relocation decoding hooks. 
llvm-svn: 142840
 2011-10-24 20:19:18 +00:00
Owen Anderson
cef5641982 STABS symbols are debug symbols. 
llvm-svn: 142673
 2011-10-21 19:26:54 +00:00
Michael J. Spencer
321731539e Object: Add isSymbolAbsolute and getSymbolSection. 
llvm-svn: 142317
 2011-10-17 23:54:46 +00:00
Michael J. Spencer
017597540e Object: Add isSymbolWeak. 
llvm-svn: 142316
 2011-10-17 23:54:22 +00:00
Michael J. Spencer
d39466760a Object: Fix redundant name. 
llvm-svn: 142238
 2011-10-17 20:19:29 +00:00
Owen Anderson
000721f058 The VMAs stored in the symbol table of a MachO file are absolute addresses, not offsets from the section. 
llvm-svn: 141828
 2011-10-12 22:37:10 +00:00
Owen Anderson
34e1707fbb Don't label a STAB debugging symbol as a function symbol. 
llvm-svn: 141824
 2011-10-12 22:23:12 +00:00
Owen Anderson
fb02ecde5e sectionContainsSymbol needs to be based on VMA's rather than section indices to properly account for files with segment load commands that contain no sections. 
llvm-svn: 141822
 2011-10-12 22:21:32 +00:00
Owen Anderson
f903c154c7 Section indices in MachO symbol tables begin at 1, not 0. 
llvm-svn: 141815
 2011-10-12 21:43:24 +00:00
Owen Anderson
27c579dba4 Expose MachOObjectFile externally, like we do for COFF. First step in reducing the amount of special-purpose code needed for llvm-objdump. 
llvm-svn: 141684
 2011-10-11 17:32:27 +00:00
Michael J. Spencer
ee3be4f2a9 Fix warning. 
llvm-svn: 141597
 2011-10-10 23:36:56 +00:00
Michael J. Spencer
7989460a1f Object: add getSectionAlignment. 
llvm-svn: 141581
 2011-10-10 21:55:43 +00:00
Michael J. Spencer
e5fd004719 Change relocation API to be per section. This time without breaking GCC. 
llvm-svn: 141385
 2011-10-07 19:25:32 +00:00
Bill Wendling
206d8a7f48 Revert 141376 and 141377 due to breaking the build. 
--- Reverse-merging r141377 into '.':
U    tools/llvm-objdump/MachODump.cpp
--- Reverse-merging r141376 into '.':
U    include/llvm/Object/COFF.h
U    include/llvm/Object/ObjectFile.h
U    include/llvm-c/Object.h
U    tools/llvm-objdump/llvm-objdump.cpp
U    lib/Object/MachOObjectFile.cpp
U    lib/Object/COFFObjectFile.cpp
U    lib/Object/Object.cpp
U    lib/Object/ELFObjectFile.cpp

llvm-svn: 141379
 2011-10-07 18:25:37 +00:00
Michael J. Spencer
b0d61540cb Change relocation API to be per section. 
llvm-svn: 141376
 2011-10-07 18:15:25 +00:00
Michael J. Spencer
800619f2bb Object: Add isSection{Data,BSS}. 
llvm-svn: 140721
 2011-09-28 20:57:30 +00:00