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2013-01-21Revert "[Object] .bss sections have no content. PR15005."Michael J. Spencer
This reverts commit r173007. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173012 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21[Object] .bss sections have no content. PR15005.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173007 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Include Support/ELF.h instead of Object/ELF.h. It is much lighter and completelyJakub Staszak
sufficient. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172916 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Fixing behavior of ELFObjectFile::getSymbolFileOffset().Andrew Kaylor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172872 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18[MC/Mach-O] Add support for linker options in Mach-O files.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172779 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16Improve r172577 by using the correct type when declaring constantsDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172580 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15Avoid Enum Compare WarningsDavid Greene
Avoid a compiler warning about comparing disjoint enums but casting them to int first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172577 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15[Object][ELF] Fix -Wenum-compare.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172556 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15[Object][ELF] Simplify ELFObjectFile by using ELFType.Michael J. Spencer
This simplifies the usage and implementation of ELFObjectFile by using ELFType to replace: <endianness target_endianness, std::size_t max_alignment, bool is64Bits> This does complicate the base ELF types as they must now use template template parameters to partially specialize for the 32 and 64bit cases. However these are only defined once. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172515 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Complete the existing support of ARM v6m, v7m, and v7em, i.e., respectively ↵Quentin Colombet
cortex-m0, cortex-m3, and cortex-m4 on the backend side. Adds new subtype values for the MachO format and use them when the related triple are set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172472 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-13Remove redundant 'llvm::' qualificationsDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172358 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Fix include guards so they exactly match file names.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172025 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09[Object, DebugInfo] Make DWARFContext BE-aware.NAKAMURA Takumi
test/DebugInfo/member-pointers.ll would not fail in targetting BE any more. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171943 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Allow ELF64 relocation type to be more than 8 bits.Tim Northover
Current targets don't have more than 256 relocations so they don't hit this limit, but ELF64 actually allows more than 8 bits for a relocation type. These were being truncated on AArch64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171845 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-06[Object][ELF] Fix incorrect size of members for the 64 version of Elf_Phdr_Impl.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171650 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-06[Object][ELF] Add program header iterator.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171648 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-06[Object][ELF] Refactor ELFRelocationIterator into ELFEntityIterator. No ↵Michael J. Spencer
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171647 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-05Make this an integer so we have enumeral types in the conditionalEric Christopher
expression. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171571 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-04[Object][ELF] Add a maximum alignment. This is used by createELFObjectFile ↵Michael J. Spencer
to create a properly aligned reader. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171520 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-31Fix bits check in ELFObjectFile::isSectionZeroInit().Rafael Espindola
Fixes PR14723. Patch by Sami Liedes! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171309 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Right now all of the relocations are 32-bit dwarf, and the relocationEric Christopher
information doesn't return an addend for Rel relocations. Go ahead and use this information to fix relocation handling inside dwarfdump for 32-bit ELF REL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171126 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-21Add a function to get the segment name of a section.Rafael Espindola
On MachO, sections also have segment names. When a tool looking at a .o file prints a segment name, this is what they mean. In reality, a .o has only one anonymous, segment. This patch adds a MachO only function to fetch that segment name. I named it getSectionFinalSegmentName since the main use for the name seems to be inform the linker with segment this section should go to. The patch also changes MachOObjectFile::getSectionName to return just the section name instead of computing SegmentName,SectionName. The main difference from the previous patch is that it doesn't use InMemoryStruct. It is extremely dangerous: if the endians match it returns a pointer to the file buffer, if not, it returns a pointer to an internal buffer that is overwritten in the next API call. We should change all of this code to use support::detail::packed_endian_specific_integral like ELF, but since these functions only handle strings, they work with big and little endian machines as is. I have tested this by installing ubuntu 12.10 ppc on qemu, that is why it took so long :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170838 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Revert 170545 while I debug the ppc failures.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170547 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Add r170095 back.Rafael Espindola
I cannot reproduce it the failures locally, so I will keep an eye at the ppc bots. This patch does add the change to the "Disassembly of section" message, but that is not what was failing on the bots. Original message: Add a funciton to get the segment name of a section. On MachO, sections also have segment names. When a tool looking at a .o file prints a segment name, this is what they mean. In reality, a .o has only one anonymous, segment. This patch adds a MachO only function to fetch that segment name. I named it getSectionFinalSegmentName since the main use for the name seems to be infor the linker with segment this section should go to. The patch also changes MachOObjectFile::getSectionName to return just the section name instead of computing SegmentName,SectionName. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170545 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17Teach MachO which sections contain codeTim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170349 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13Revert "Add a funciton to get the segment name of a section."Eric Christopher
This reverts commit r170095 since it appears to be breaking the bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170105 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13Add a funciton to get the segment name of a section.Rafael Espindola
On MachO, sections also have segment names. When a tool looking at a .o file prints a segment name, this is what they mean. In reality, a .o has only one, anonymous, segment. This patch adds a MachO only function to fetch that segment name. I named it getSectionFinalSegmentName since the main use for the name seems to be informing the linker with segment this section should go to. The patch also changes MachOObjectFile::getSectionName to return just the section name instead of computing SegmentName,SectionName. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170095 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Sort the #include lines for the include/... tree with the script.Chandler Carruth
AKA: Recompile *ALL* the source code! This one went much better. No manual edits here. I spot-checked for silliness and grep-checked for really broken edits and everything seemed good. It all still compiles. Yell if you see something that looks goofy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169133 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29Fix a memory leak in MachOObjectFile.Jim Grosbach
MachOObjectFile owns a MachOObj, but never frees it. Both MachOObjectFile and MachOObj want to own the MemoryBuffer, though, so we have to be careful and give them each one of their own. Thanks to Greg Clayton, Eric Christopher and Michael Spencer for helping figure out what's going wrong here. rdar://12561773 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168923 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-20Remove some dead code.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168374 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-19Promote the constant 1 to long long, 1LL or 1ULL in int64_t-sensitive context.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168304 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Adding changes to support GNU style archive library readingShankar Easwaran
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167853 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Adding convenience function to ELF HeaderShankar Easwaran
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167852 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-07Add a relocation visitor to lib object. This works via caching relocatedEric Christopher
values in a map that can be passed to consumers. Add a testcase that ensures this works for llvm-dwarfdump. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167558 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29Add interface for querying object files for symbol values.Tim Northover
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
2012-10-19Grammar-o.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166343 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-11Remove unnecessary classof()'sSean Silva
isa<> et al. automatically infer when the cast is an upcast (including a self-cast), so these are no longer necessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165767 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-10Formatting and 80-col.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165668 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-10This patch adds new functions to the SectionRef and ObjectFile interfaces to ↵Andrew Kaylor
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
2012-10-05Add ELF program header.Hemant Kulkarni
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165316 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Add PowerPC64 definitions for ELF.hAdhemerval Zanella
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165314 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Add LLVM support for Swift.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164899 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Fix SymbolRef::getAddress implementation for ELF. The 'value' field in ↵Alexey Samsonov
symbol table entry should be treated differently for relocatable and relocated files. This patch fixes symbol addresses printed by llvm-nm for executables and shared objects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164365 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17Remove redundant semicolons to fix -pedantic-errors build break with older ↵Richard Smith
Clangs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164071 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17Add Michael Spencer's iterator class for stepping through relocations. Add ↵Sid Manning
method that, given a symbol index, will return the symbol's data. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164026 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17Mark unimplemented copy constructors and copy assignment operators as ↵Craig Topper
LLVM_DELETED_FUNCTION. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164017 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-10[Object] Extract Elf_Ehdr. Patch by Hemant Kulkarni!Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163532 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Teach libObject about some more ELF relocations. llvm-objdump -r now knowsNick Lewycky
every relocation in C++ hello world built with debug info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163271 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-01Add ARM ELF support to llvm-objdump.Logan Chien
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163062 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Fix misaligned access in MachO object file reader: despite containing anRichard Smith
int64_t, Symbol64TableEntry is actually only stored with 4-byte alignment within the file. The usage of #pragma pack here is copied from the corresponding code in Support/Endian.h, so shouldn't introduce any new portability problems. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162312 91177308-0d34-0410-b5e6-96231b3b80d8
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