Commit Graph

34 Commits

Author SHA1 Message Date
Matt Beaumont-Gay ee705a73f6 Silence warnings in -asserts build
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148715 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23 18:46:04 +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
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
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 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 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 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 63b2f8c710 ELF: Fix the section that relocations apply to. Add test to verify. Patch by Danil Malyshev!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141901 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13 22:30:10 +00:00
Nick Lewycky f77dea13d7 Elf_Word is not POD! Stop using it in a DenseMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141851 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13 03:30:21 +00:00
NAKAMURA Takumi 18dcb87f6b lib/Object/ELFObjectFile.cpp: Fix undefined behavior for MC/ELF/many-section.s not to fail (on msvc).
DenseMap::lookup(k) would return "default constructor value" when k was not met. It would be useless when value type were POD.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141774 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12 10:28:55 +00:00
Nick Lewycky bfbbe32837 Reapply r141605 with fixes for appropriate handling of reserved section numbers
in st_shndx fields.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141639 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11 03:18:58 +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
Nick Lewycky fb05d3d686 Revert r141605 as it broke tests for llvm-nm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141614 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11 00:38:56 +00:00
Nick Lewycky fad138dd79 Add support for reading many-section ELF files.
If you want to tackle adding the testcase, let me know. It's a 4.2MB ELF file
and I'll be happy to mail it to you.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141605 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11 00:15:42 +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 01a4db3ed4 Fix GCC again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141389 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07 19:46:12 +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