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59 Commits

Author SHA1 Message Date
Rafael Espindola
56fa3ce519 Change getRelocationAdditionalInfo to be ELF only. 
It was only implemented for ELF where it collected the Addend, so this
patch also renames it to getRelocationAddend.

llvm-svn: 181502
 2013-05-09 03:39:05 +00:00
Rafael Espindola
9541db893e Clarify getRelocationAddress x getRelocationOffset a bit. 
getRelocationAddress is for dynamic libraries and executables,
getRelocationOffset for relocatable objects.

Mark the getRelocationAddress of COFF and MachO as not implemented yet. Add a
test of ELF's. llvm-readobj -r now prints the same values as readelf -r.

llvm-svn: 180259
 2013-04-25 12:28:45 +00:00
Rafael Espindola
5700fcf335 Remove unused argument. 
llvm-svn: 178987
 2013-04-07 16:40:00 +00:00
Guy Benyei
92dac48079 Add static cast to unsigned char whenever a character classification function is called with a signed char argument, in order to avoid assertions in Windows Debug configuration. 
llvm-svn: 175006
 2013-02-12 21:21:59 +00:00
Tim Northover
86db334e17 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
2698e6d553 Cosmetic changes 
llvm-svn: 165588
 2012-10-10 01:45:52 +00:00
Andrew Kaylor
b850da774b 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
Marshall Clow
c56632d5e5 Added accessors for getting coff_relocation info 
llvm-svn: 158675
 2012-06-18 19:47:16 +00:00
Marshall Clow
0ee85444ac Had a closing brace inside an #ifdef -- oops! 
llvm-svn: 158485
 2012-06-15 01:15:47 +00:00
Marshall Clow
49e964c47f Adding acessors to COFFObjectFile so that clients can get at the (non-generic) bits 
llvm-svn: 158484
 2012-06-15 01:08:25 +00:00
Preston Gurd
6e9bcca355 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
6db4fe8581 Add a constructor for DataRefImpl and remove excess initialization. 
llvm-svn: 154371
 2012-04-10 01:54:44 +00:00
Michael J. Spencer
e5d5ca4072 [Object/COFF]: Expose getSectionContents. 
llvm-svn: 153051
 2012-03-19 20:27:37 +00:00
Michael J. Spencer
2174510edf [Object/COFF]: Expose getSectionName. 
Also add some documentation.

llvm-svn: 153050
 2012-03-19 20:27:15 +00:00
Michael J. Spencer
bff63f6e96 Fix bug found by warning. 
llvm-svn: 152812
 2012-03-15 17:49:29 +00:00
David Meyer
c6de5a081b [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
7f21ecb667 [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
44201a2d17 [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
e9705e2949 [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
31e23de700 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
0aef1b9f18 [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
5ce4e1a9d3 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
Daniel Dunbar
64fe398fc0 Fix some possible gcc-4.2 may be used uninitialized warnings. 
llvm-svn: 145292
 2011-11-28 22:19:32 +00:00
Chandler Carruth
e5e455c97f 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
3bbe062799 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
Michael J. Spencer
346238dcfc Object/COFF: Support common symbols. 
llvm-svn: 144861
 2011-11-16 23:36:12 +00:00
Michael J. Spencer
ca21136ca9 Object/COFF: Fix PE reading. 
llvm-svn: 144148
 2011-11-08 23:34:07 +00:00
Michael J. Spencer
7dcaa63cb2 object/COFF: Properly initalize uses of DataRefImpl. 
llvm-svn: 143562
 2011-11-02 19:33:26 +00:00
Owen Anderson
7a9bb4d47f 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
Michael J. Spencer
1b471da6b0 Object/COFF: Remove useless test. 
llvm-svn: 142408
 2011-10-18 19:51:36 +00:00
Michael J. Spencer
cdfd6ee8bc Object/COFF: Change type from a struct to a uint16_t. The struct would be 
incorrect for bigendian systems.

llvm-svn: 142403
 2011-10-18 19:31:59 +00:00
Michael J. Spencer
25b0873d7f Object: Add isSymbolAbsolute and getSymbolSection. 
llvm-svn: 142317
 2011-10-17 23:54:46 +00:00
Michael J. Spencer
3f458c5498 Object: Add isSymbolWeak. 
llvm-svn: 142316
 2011-10-17 23:54:22 +00:00
Michael J. Spencer
a9bbb5d675 Object/COFF: Expose more data in the public API. 
llvm-svn: 142315
 2011-10-17 23:53:56 +00:00
Michael J. Spencer
c787cb4441 Object: Fix redundant name. 
llvm-svn: 142238
 2011-10-17 20:19:29 +00:00
Michael J. Spencer
9a10012151 COFF: Implement sectionContainsSymbol for relocatable files only. 
llvm-svn: 141884
 2011-10-13 20:36:54 +00:00
Michael J. Spencer
ebd507f958 Object: add getSectionAlignment. 
llvm-svn: 141581
 2011-10-10 21:55:43 +00:00
NAKAMURA Takumi
2a3eab692a lib/Object: Suppress warnings on gcc-4.3.4 cygwin 
llvm-svn: 141485
 2011-10-08 11:22:53 +00:00
Michael J. Spencer
34d76cf95b 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
ecbddb2b9e 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
14925a859b Change relocation API to be per section. 
llvm-svn: 141376
 2011-10-07 18:15:25 +00:00
Michael J. Spencer
5948c3822e Object: Add isSection{Data,BSS}. 
llvm-svn: 140721
 2011-09-28 20:57:30 +00:00
Benjamin Kramer
52607b3842 Object: make the following changes into SymbolRef 
- Add enum SymbolType and function getSymbolType()
- Add function isGlobal() - it's returns true for symbols that can be used in another objects, such as library functions.
- Rename function getAddress() to getOffset() and add new function getAddress(), because currently getAddress() returns section offset of symbol first byte. new getAddress() return symbol address.
- Change usage SymbolRef::getAddress() to getOffset() in tools/llvm-nm and tools/llvm-objdump.

Patch by Danil Malyshev!

llvm-svn: 139683
 2011-09-14 01:22:52 +00:00
Benjamin Kramer
b101f55fa4 Silence false positive uninitialized variable warnings from GCC. 
llvm-svn: 139573
 2011-09-13 01:59:24 +00:00
Benjamin Kramer
3c40c2100b Add support for relocations to ObjectFile. 
Patch by Danil Malyshev!

llvm-svn: 139314
 2011-09-08 20:52:17 +00:00
Benjamin Kramer
5936e08079 ObjectFile: Add a method to check whether a section contains a symbol. 
- No ELF or COFF implementation yet, I don't have a way to test that.
  Should be straightforward to add though.

llvm-svn: 135288
 2011-07-15 18:39:21 +00:00
Benjamin Kramer
b054fe79e3 Use memcmp. 
llvm-svn: 134439
 2011-07-05 20:28:00 +00:00
Rafael Espindola
9fdf25214f Really fix typo :-( 
llvm-svn: 134436
 2011-07-05 19:17:10 +00:00
Rafael Espindola
1b99dbcf82 Fix typo. 
llvm-svn: 134433
 2011-07-05 19:13:27 +00:00
Rafael Espindola
e54f949f37 Compare all 4 bytes of the header. 
llvm-svn: 134427
 2011-07-05 18:41:47 +00:00