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Commit Graph

55 Commits

Author SHA1 Message Date
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
Michael J. Spencer
342a6e8a5f Fix warnings.
llvm-svn: 134408
2011-07-05 14:48:59 +00:00
Michael J. Spencer
83e956656a Object: Add proper error handling.
llvm-svn: 133872
2011-06-25 17:55:23 +00:00
Michael J. Spencer
d5934fefee Make Binary the parent of ObjectFile and update children to new interface.
llvm-svn: 133870
2011-06-25 17:54:50 +00:00
Michael J. Spencer
8288453980 Revert the last two commits in the series. r132911, r132912.
llvm-svn: 132913
2011-06-13 11:53:31 +00:00