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* Revert my last two commits while I debug what is wrong in a big endian host.Rafael Espindola2013-04-111-44/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179303 91177308-0d34-0410-b5e6-96231b3b80d8
* Print more information about relocations.Rafael Espindola2013-04-111-8/+44
| | | | | | | | | | With this patch llvm-readobj now prints if a relocation is pcrel, its length, if it is extern and if it is scattered. It also refactors the code a bit to use bit fields instead of shifts and masks all over the place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179294 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix MachO's getRelocationAdditionalInfo.Rafael Espindola2013-04-111-0/+6
| | | | | | | It was returning the loaded address of the section containing the relocation, which really doesn't seem to be the intent of this function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179255 91177308-0d34-0410-b5e6-96231b3b80d8
* Template MachOObjectFile over endianness too.Rafael Espindola2013-04-101-9/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179179 91177308-0d34-0410-b5e6-96231b3b80d8
* Template the MachO types over endianness.Rafael Espindola2013-04-101-6/+6
| | | | | | For now they are still only used as little endian. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179147 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert MachOObjectFile to a template.Rafael Espindola2013-04-091-852/+110
| | | | | | | For now it is templated only on being 64 or 32 bits. I will add little/big endian next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179097 91177308-0d34-0410-b5e6-96231b3b80d8
* More uses for SymbolTableEntryBase.Rafael Espindola2013-04-091-35/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179076 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a SymbolTableEntryBase.Rafael Espindola2013-04-091-47/+27
| | | | | | Use it when we don't need to know if we have a 32 or 64 bit SymbolTableEntry. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179074 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a SectionBase struct.Rafael Espindola2013-04-081-24/+24
| | | | | | | Use it to share code and when we don't need to know if we have a 32 or 64 bit Section. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179072 91177308-0d34-0410-b5e6-96231b3b80d8
* Template the MachO types over the word size.Rafael Espindola2013-04-081-65/+86
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179051 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove is64BitLoadCommand.Rafael Espindola2013-04-081-20/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179048 91177308-0d34-0410-b5e6-96231b3b80d8
* Add all 4 MachO object types. Use the stored type to implement is64Bits().Rafael Espindola2013-04-081-5/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179021 91177308-0d34-0410-b5e6-96231b3b80d8
* Make MachOObjectFile independent from MachOObject.Rafael Espindola2013-04-071-16/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178998 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement MachOObjectFile::getData directly.Rafael Espindola2013-04-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178997 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement MachOObjectFile::is64Bit directly.Rafael Espindola2013-04-071-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178996 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement MachOObjectFile::getHeaderSize directly.Rafael Espindola2013-04-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178995 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement MachOObjectFile::getHeader directly.Rafael Espindola2013-04-071-14/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178994 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement MachOObjectFile::getHeaderSize and MachOObjectFile::getData.Rafael Espindola2013-04-071-41/+44
| | | | | | | These were the last missing forwarding functions. Also consistently use the forwarding functions instead of using MachOObj directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178992 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove LoadCommandInfo now that we always have a pointer to the command.Rafael Espindola2013-04-071-58/+27
| | | | | | | LoadCommandInfo was needed to keep a command and its offset in the file. Now that we always have a pointer to the command, we don't need the offset. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178991 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MachOObjectFile::LoadCommandInfo.Rafael Espindola2013-04-071-8/+23
| | | | | | This avoids using MachOObject::getLoadCommandInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178990 91177308-0d34-0410-b5e6-96231b3b80d8
* Use getLoadCommandInfo instead of MachOObj->getLoadCommandInfo.Rafael Espindola2013-04-071-18/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178989 91177308-0d34-0410-b5e6-96231b3b80d8
* Construct MachOObject in MachOObjectFile's constructor.Rafael Espindola2013-04-071-16/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178988 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused argument.Rafael Espindola2013-04-073-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178987 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove MachOObjectFile::getObject.Rafael Espindola2013-04-071-0/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178986 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove two uses of getObject.Rafael Espindola2013-04-071-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178985 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove last use of InMemoryStruct in llvm-objdump.Rafael Espindola2013-04-071-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178979 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove last use of InMemoryStruct from MachOObjectFile.cpp.Rafael Espindola2013-04-061-4/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178948 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use InMemoryStruct<macho::SymtabLoadCommand>.Rafael Espindola2013-04-061-20/+43
| | | | | | | This also required not using the RegisterStringTable API, which is also a good thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178947 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use InMemoryStruct in getSymbol64TableEntry.Rafael Espindola2013-04-061-24/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178946 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use InMemoryStruct in getSymbolTableEntry.Rafael Espindola2013-04-061-23/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178945 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use InMemoryStruct in getRelocation.Rafael Espindola2013-04-061-31/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178943 91177308-0d34-0410-b5e6-96231b3b80d8
* Define versions of Section that are explicitly marked as little endian.Rafael Espindola2013-04-051-34/+34
| | | | | | These should really be templated like ELF, but this is a start. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178896 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use InMemoryStruct in getSection and getSection64.Rafael Espindola2013-04-051-86/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178894 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't fetch pointers from a InMemoryStruct.Rafael Espindola2013-04-051-9/+18
| | | | | | | | InMemoryStruct is extremely dangerous as it returns data from an internal buffer when the endiannes doesn't match. This should fix the tests on big endian hosts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178875 91177308-0d34-0410-b5e6-96231b3b80d8
* Move an assert earlier in a file and check that the result ofEric Christopher2013-02-281-2/+5
| | | | | | | | our bitwise compare is equal to the field we're looking for. Noticed on inspection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176296 91177308-0d34-0410-b5e6-96231b3b80d8
* Add static cast to unsigned char whenever a character classification ↵Guy Benyei2013-02-122-2/+2
| | | | | | 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
* [Object][Archive] Improve performance.Michael J. Spencer2013-02-031-98/+10
| | | | | | | | | | | | Improve performance of iterating over children and accessing the member file buffer by caching the file size and moving code out to the header. This also makes getBuffer return a StringRef instead of a MemoryBuffer. Both fixing a memory leak and removing a malloc. This takes getBuffer from ~10% of the time in lld to unmeasurable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174272 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Add LLVM_IS_UNALIGNED_ACCESS_FAST.Michael J. Spencer2013-02-031-4/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174271 91177308-0d34-0410-b5e6-96231b3b80d8
* Object: Fix errant fallthrough.Jim Grosbach2013-01-311-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174079 91177308-0d34-0410-b5e6-96231b3b80d8
* When encountering an unknown file format, ObjectFile::createObjectFile shouldEli Bendersky2013-01-251-1/+3
| | | | | | | | | | | politely report it instead of running into llvm_unreachable. Also patch llvm-dwarfdump to actually check whether the file it's attempting to dump is a valid object file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173489 91177308-0d34-0410-b5e6-96231b3b80d8
* [MC/Mach-O] Add support for linker options in Mach-O files.Daniel Dunbar2013-01-181-0/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172779 91177308-0d34-0410-b5e6-96231b3b80d8
* [Object][ELF] Simplify ELFObjectFile by using ELFType.Michael J. Spencer2013-01-151-8/+8
| | | | | | | | | | | | | 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
* Fix More CastsDavid Greene2013-01-141-1/+2
| | | | | | Fix another cast-away-const cast. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172466 91177308-0d34-0410-b5e6-96231b3b80d8
* [Object][Archive] Fix name handling with bsd style long names.Michael J. Spencer2013-01-101-8/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172026 91177308-0d34-0410-b5e6-96231b3b80d8
* [Object][Archive] Apparently StringRef::getAsInteger for APInt accepts spaces.Michael J. Spencer2013-01-101-2/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172022 91177308-0d34-0410-b5e6-96231b3b80d8
* [Object][Archive] Use uint64_t instead of APInt. It is significantly faster.Michael J. Spencer2013-01-091-10/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172015 91177308-0d34-0410-b5e6-96231b3b80d8
* [Object][ELF] Add a maximum alignment. This is used by createELFObjectFile ↵Michael J. Spencer2013-01-041-6/+28
| | | | | | to create a properly aligned reader. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171520 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a function to get the segment name of a section.Rafael Espindola2012-12-211-14/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* Revert 170545 while I debug the ppc failures.Rafael Espindola2012-12-191-25/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170547 91177308-0d34-0410-b5e6-96231b3b80d8
* Add r170095 back.Rafael Espindola2012-12-191-10/+25
| | | | | | | | | | | | | | | | | | | | | | | 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
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