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0070792012
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85 Commits

Author SHA1 Message Date
Craig Topper
bdc3adc6c1 Remove getElfArchType from ELF.h. It's only used in ELFObjectFile.cpp and there's already a copy there. ELF.h was hiding the one there and causing an unused function warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154657 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-13 05:58:19 +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
David Meyer
2d70e263c2 Support reading GNU symbol versions in ELFObjectFile 
* Add enums and structures for GNU version information.
* Implement extraction of that information on a per-symbol basis (ELFObjectFile::getSymbolVersion).
* Implement a generic interface, GetELFSymbolVersion(), for getting the symbol version from the ObjectFile (hides the templating).
* Have llvm-readobj print out the version, when available.
* Add a test for the new feature: readobj-elf-versioning.test



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152436 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-09 20:59:52 +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
Michael J. Spencer
284a6bbae1 Remove duplicate copy of Object/ELF.h that somehow managed to get in. 
Patch by David Meyer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151575 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 22:06:44 +00:00
Eli Bendersky
f4eff4baeb Expose the ELFObjectFile class directly in the Object/ELF.h header, similarly 
to what's done for MachO and COFF. This allows advanced uses of the class to
be implemented outside the Object library. In particular, the DyldELFObject
subclass is now moved into its logical home - ExecutionEngine/RuntimeDyld.

This patch was reviewed by Michael Spencer.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150327 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-12 06:12:10 +00:00
Eli Bendersky
381e2bee65 Remove trailing spaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148655 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-22 09:26:00 +00:00
Eli Bendersky
24973c1063 Basic runtime dynamic loading capabilities added to ELFObjectFile, implemented 
in a subclass named DyldELFObject. This class supports rebasing the object file
it represents by re-mapping section addresses to the actual memory addresses
the object was placed in. This is required for MC-JIT implementation on ELF with
debugging support.

Patch reviewed on llvm-commits.

Developed together with Ashok Thirumurthi and Andrew Kaylor.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148653 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-22 09:01:03 +00:00
David Blaikie
2d24e2a396 Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146960 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-20 02:50:00 +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
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
8a2549febc Object/Archive: Give Child a operator < for map. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144757 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-16 01:25:13 +00:00
Michael J. Spencer
3314c26475 object: Add operator < for SymbolRef and SectionRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143563 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-02 19:33:41 +00:00
Michael J. Spencer
c8a55a660e Object/Archive: Add symbol table iteration. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143561 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-02 19:33:12 +00:00
Owen Anderson
1832f4d94e Add support for scattered relocations to the MachO relocatation pretty printer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143051 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 20:42:54 +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
aaf98ead11 Object/Archive: Add BSD style long file name support and skip internal members. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142981 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-25 22:30:42 +00:00
Owen Anderson
0685e94895 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142961 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-25 20:35:53 +00:00
Owen Anderson
d8fa76d4be More fixes and improvements to MachO relocation pretty-printing, particular for x86 and x86_64 relocations with addends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142875 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-24 23:20:07 +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
206d17cf60 Object: Add some types to SymbolRef::Type. 
Some of these can be true at the same time and there are a lot to add,
so this should be turned into a bitfield. Some of the other accessors
should probably be folded into this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142318 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 23:55:06 +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
ab6bcf35ae Object: Implement casting for concrete classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142314 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 23:53:37 +00:00
Michael J. Spencer
2c10ecbe4c 80-col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142309 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 23:37:43 +00:00
Owen Anderson
df3f929ec2 Add an accessor to get the underlying MachO representation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142261 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 21:37:03 +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
Owen Anderson
f7c93a3867 Expose MachOObjectFile externally, like we do for COFF. First step in reducing the amount of special-purpose code needed for llvm-objdump. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141684 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-11 17:32:27 +00:00
Nick Lewycky
15c3f727ae Add support for .symtab_shnidx. Unfortunately, doing this required breaking a 
layer of abstraction around SymbolRef where you can read its private
SymbolPimpl member.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141636 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-11 02:57:48 +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
Michael J. Spencer
5861893c25 Object: constize Archive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141448 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-08 00:17:45 +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
Michael J. Spencer
a51d7d97b0 Object: Add archive support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140626 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-27 19:36:55 +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
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
d4522460d4 Teach macho-dump to dump the uleb128s referred to by linkedit_data segments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138836 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-30 22:10:58 +00:00
Benjamin Kramer
9942acab0a Teach macho-dump how to dump linkedit_data load commands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138807 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-30 18:33:37 +00:00