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61 Commits

Author SHA1 Message Date
Rui Ueyama
4bf771b4e6 readobj: Dump PE/COFF optional records. 
These records are mandatory for executables and are used by the loader.

Reviewers: rafael

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D939

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183852 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-12 19:10:33 +00:00
Rafael Espindola
6c1202c459 Handle relocations that don't point to symbols. 
In ELF (as in MachO), not all relocations point to symbols. Represent this
properly by using a symbol_iterator instead of a SymbolRef. Update llvm-readobj
ELF's dumper to handle relocatios without symbols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183284 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-05 01:33:53 +00:00
Rafael Espindola
167957fa09 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181502 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-09 03:39:05 +00:00
Rafael Espindola
956ca7265c 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180259 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-25 12:28:45 +00:00
Rafael Espindola
2c6f997290 Remove unused argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178987 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-07 16:40:00 +00:00
Guy Benyei
87d0b9ed14 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175006 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-12 21:21:59 +00:00
Tim Northover
a41dce3c64 Add interface for querying object files for symbol values. 
Currently only implemented for ELF.

Patch by Amara Emerson.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166918 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-29 10:47:00 +00:00
Andrew Kaylor
30b20ebdd3 Cosmetic changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165588 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-10 01:45:52 +00:00
Andrew Kaylor
3a129c8592 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165586 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-10 01:41:33 +00:00
Marshall Clow
9ac0f1d725 Added accessors for getting coff_relocation info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158675 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-18 19:47:16 +00:00
Marshall Clow
45aad162c6 Had a closing brace inside an #ifdef -- oops! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158485 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-15 01:15:47 +00:00
Marshall Clow
d4d03e09d3 Adding acessors to COFFObjectFile so that clients can get at the (non-generic) bits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158484 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-15 01:08:25 +00:00
Preston Gurd
c68dda815e 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!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154610 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-12 20:13:57 +00:00
Danil Malyshev
3fd9b84223 Add a constructor for DataRefImpl and remove excess initialization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154371 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-10 01:54:44 +00:00
Michael J. Spencer
1f6e3f9544 [Object/COFF]: Expose getSectionContents. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153051 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-19 20:27:37 +00:00
Michael J. Spencer
b35a896e07 [Object/COFF]: Expose getSectionName. 
Also add some documentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153050 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-19 20:27:15 +00:00
Michael J. Spencer
33a1805f35 Fix bug found by warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152812 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-15 17:49:29 +00:00
David Meyer
6f9489a86f [Object] 
Make Binary::TypeID more granular, to distinguish between ELF 32/64 little/big




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152435 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-09 20:41:57 +00:00
David Meyer
97f7787bfb [Object] 
Add ObjectFile::getLoadName() for retrieving the soname/installname of a shared object.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151845 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-01 22:19:54 +00:00
David Meyer
5c2b4ea73c [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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151785 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-01 01:36:50 +00:00
David Meyer
2c67727046 [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).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151696 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-29 02:11:55 +00:00
David Meyer
c46255a32e In the ObjectFile interface, replace isInternal(), isAbsolute(), isGlobal(), and isWeak(), with a bitset of flags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151670 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 23:47:53 +00:00
Michael J. Spencer
dfa1896b6b [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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151600 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 00:40:37 +00:00
Danil Malyshev
b0436a7305 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145408 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-29 17:40:10 +00:00
Daniel Dunbar
a483fc8e6f Fix some possible gcc-4.2 may be used uninitialized warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145292 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-28 22:19:32 +00:00
Chandler Carruth
790552c20f 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145182 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-27 10:37:47 +00:00
Danil Malyshev
9b24738bd1 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145180 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-27 10:12:52 +00:00
Michael J. Spencer
11ba26db13 Object/COFF: Support common symbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144861 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-16 23:36:12 +00:00
Michael J. Spencer
7151ddd6ef Object/COFF: Fix PE reading. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144148 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-08 23:34:07 +00:00
Michael J. Spencer
783d88793a object/COFF: Properly initalize uses of DataRefImpl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143562 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-02 19:33:26 +00:00
Owen Anderson
9472b8d220 Expand relocation type field to 64 bits. MachO scattered relocations require 33 bits of type info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143032 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 17:08:49 +00:00
Michael J. Spencer
7c24665390 Object/COFF: Remove useless test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142408 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-18 19:51:36 +00:00
Michael J. Spencer
5e3a082c79 Object/COFF: Change type from a struct to a uint16_t. The struct would be 
incorrect for bigendian systems.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142403 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-18 19:31:59 +00:00
Michael J. Spencer
9b2b812fea Object: Add isSymbolAbsolute and getSymbolSection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142317 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 23:54:46 +00:00
Michael J. Spencer
c38c36a8c4 Object: Add isSymbolWeak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142316 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 23:54:22 +00:00
Michael J. Spencer
0e752cb4b4 Object/COFF: Expose more data in the public API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142315 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 23:53:56 +00:00
Michael J. Spencer
1130a799ab Object: Fix redundant name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142238 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 20:19:29 +00:00
Michael J. Spencer
bff6f8679a COFF: Implement sectionContainsSymbol for relocatable files only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141884 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-13 20:36:54 +00:00
Michael J. Spencer
e2f2f07be7 Object: add getSectionAlignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141581 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-10 21:55:43 +00:00
NAKAMURA Takumi
48f248ad5f lib/Object: Suppress warnings on gcc-4.3.4 cygwin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141485 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-08 11:22:53 +00:00
Michael J. Spencer
4344b1ef9b Change relocation API to be per section. This time without breaking GCC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141385 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 19:25:32 +00:00
Bill Wendling
a48ad13339 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



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141379 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 18:25:37 +00:00
Michael J. Spencer
f1164a2487 Change relocation API to be per section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141376 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 18:15:25 +00:00
Michael J. Spencer
13afc5eff2 Object: Add isSection{Data,BSS}. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140721 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-28 20:57:30 +00:00
Benjamin Kramer
ac241fe9f0 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!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139683 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-14 01:22:52 +00:00
Benjamin Kramer
cee58a69fa Silence false positive uninitialized variable warnings from GCC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139573 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 01:59:24 +00:00
Benjamin Kramer
0fcab076f0 Add support for relocations to ObjectFile. 
Patch by Danil Malyshev!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139314 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-08 20:52:17 +00:00
Benjamin Kramer
07ea23aa2d 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135288 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-15 18:39:21 +00:00
Benjamin Kramer
3209a03daf Use memcmp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134439 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-05 20:28:00 +00:00
Rafael Espindola
9b9c5ea2c3 Really fix typo :-( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134436 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-05 19:17:10 +00:00