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d2042f3698
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134 Commits

Author SHA1 Message Date
Eli Bendersky
d2042f3698 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.

llvm-svn: 148653
 2012-01-22 09:01:03 +00:00
Rafael Espindola
b598485fb9 Remove unused variables. 
llvm-svn: 147261
 2011-12-25 01:20:19 +00:00
David Blaikie
576aba04f1 Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch 
llvm-svn: 146960
 2011-12-20 02:50:00 +00:00
Daniel Dunbar
30d6a45140 LLVMBuild: Remove trailing newline, which irked me. 
llvm-svn: 146409
 2011-12-12 19:48:00 +00:00
Daniel Dunbar
4e00f5f8fd build/CMake: Finish removal of add_llvm_library_dependencies. 
llvm-svn: 145420
 2011-11-29 19:25:30 +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
Daniel Dunbar
73d41b0f03 build: Attempt to rectify inconsistencies between CMake and LLVMBuild versions of explicit dependencies. 
- The hope is that we have a tool/test to verify these are accurate (and tight) soon.

llvm-svn: 144444
 2011-11-12 02:10:57 +00:00
Michael J. Spencer
ca21136ca9 Object/COFF: Fix PE reading. 
llvm-svn: 144148
 2011-11-08 23:34:07 +00:00
Benjamin Kramer
a05d5433f5 MachOObject: Use DataExtractor's uleb parser instead of rolling our own. 
llvm-svn: 143810
 2011-11-05 12:13:21 +00:00
Benjamin Kramer
26ed5d6390 Simplify code. 
llvm-svn: 143695
 2011-11-04 13:52:17 +00:00
Daniel Dunbar
3760ebeebb build: Add initial cut at LLVMBuild.txt files. 
llvm-svn: 143634
 2011-11-03 18:53:17 +00:00
Chad Rosier
8a1a2adbb7 Removed unused variable. 
llvm-svn: 143591
 2011-11-02 23:21:55 +00:00
Michael J. Spencer
7dcaa63cb2 object/COFF: Properly initalize uses of DataRefImpl. 
llvm-svn: 143562
 2011-11-02 19:33:26 +00:00
Michael J. Spencer
c059c6c5b9 Object/Archive: Add symbol table iteration. 
llvm-svn: 143561
 2011-11-02 19:33:12 +00:00
Owen Anderson
6508cba44c 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
9aaee13bf1 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
997d323baa Expose relocation accessors through the libObject C API. 
llvm-svn: 143109
 2011-10-27 17:32:36 +00:00
Owen Anderson
ece66e91f2 Add relocation iterators to the libObject C API. 
llvm-svn: 143107
 2011-10-27 17:15:47 +00:00
Owen Anderson
11396b575d Add support for scattered relocations to the MachO relocatation pretty printer. 
llvm-svn: 143051
 2011-10-26 20:42:54 +00:00
Owen Anderson
8d9656dd53 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
27580bf1eb 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
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
Owen Anderson
fc7467fd5e Improve pretty printing of GOT relocations in MachO on x86_64. 
llvm-svn: 143031
 2011-10-26 17:05:20 +00:00
Eric Christopher
0042cece21 Remove unused variable. 
llvm-svn: 143011
 2011-10-26 03:47:16 +00:00
Michael J. Spencer
03ffc01ea6 Object/Archive: Cleanup anon namespace. 
llvm-svn: 142983
 2011-10-25 22:31:11 +00:00
Michael J. Spencer
6f6b8f7b4d Object/Archive: Add BSD style long file name support and skip internal members. 
llvm-svn: 142981
 2011-10-25 22:30:42 +00:00
Owen Anderson
b3538ebf33 Remove extraneous printing of "-PC". 
llvm-svn: 142970
 2011-10-25 20:44:00 +00:00
Owen Anderson
69d98376b9 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
60bbbbced1 Teach the MachO relocation pretty-printer to interpret ARM half-relocations. 
llvm-svn: 142938
 2011-10-25 18:48:41 +00:00
Owen Anderson
3bfe29265a 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
aa91e360eb 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
445fdc6049 Stub out some of the MachO relocation decoding hooks. 
llvm-svn: 142840
 2011-10-24 20:19:18 +00:00
Owen Anderson
0d40d283e9 Use LLVMBool for a function that logically returns a boolean value. 
llvm-svn: 142683
 2011-10-21 20:35:58 +00:00
Owen Anderson
806a1e5c78 STABS symbols are debug symbols. 
llvm-svn: 142673
 2011-10-21 19:26:54 +00:00
Owen Anderson
da28398bb6 Bind libObject API for obtaining the section containing a Symbol. 
llvm-svn: 142667
 2011-10-21 18:21:22 +00:00
Owen Anderson
33b5868dab Expand the coverage of the libObject C bindings to include more SectionRef accessors as well as Symbol iterators. 
llvm-svn: 142661
 2011-10-21 17:50:59 +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
adc33b805a 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.

llvm-svn: 142318
 2011-10-17 23:55:06 +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
3a7d4d9fe0 Object: Implement casting for concrete classes. 
llvm-svn: 142314
 2011-10-17 23:53:37 +00:00
Michael J. Spencer
c787cb4441 Object: Fix redundant name. 
llvm-svn: 142238
 2011-10-17 20:19:29 +00:00
Michael J. Spencer
10caa055b0 ELF: Fix the section that relocations apply to. Add test to verify. Patch by Danil Malyshev! 
llvm-svn: 141901
 2011-10-13 22:30:10 +00:00
Michael J. Spencer
9a10012151 COFF: Implement sectionContainsSymbol for relocatable files only. 
llvm-svn: 141884
 2011-10-13 20:36:54 +00:00