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path: root/lib/MC/ELFObjectWriter.cpp
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2010-11-01Implement .weakref.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117911 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-31Add support for files with more than 65280 sections. No testcase sinceRafael Espindola
it would be a bit too big :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117849 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-29Be more strict on when we produce an undefined reference. In gas a file withRafael Espindola
just .type foo,@object will produce an undefined reference to foo. On the other hand, a file with just .weakref bar, foo will not. It is somewhat hard to support both in MC since both statements should create the symbols. It should be possible if we really need to by adding to the flags, but hopefully that is not necessary. With this patch we do not produce a undefined reference in any of those cases. The assembly file needs an actual use for the undefined reference to be present. This is in preparation for a patch implementing .weakref. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117735 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-28Defined weak symbols should have non-zero value.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117585 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-28Fix relocations with renamed symbols.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117575 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-28Aliases defined with .symver should copy the binding of the symbols they alias.Rafael Espindola
Move the existing patching for undefined symbols so that all the patching is done in the same function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117570 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-28Implement R_X86_64_DTPOFF32.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117548 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-28Implement TLSLD.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117547 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-28Implement DTPOFF.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117546 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-28Implement TLSLDM.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117544 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-28Implement VK_GOTNTPOFF and switch RelocNeedsGOT to use VariantKind.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117543 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Add support for R_386_TLS_GD, R_386_TLS_LE_32, R_386_TLS_IE and R_386_TLS_LE.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117494 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Implement R_X86_64_GOTTPOFF, R_X86_64_TLSGD and R_X86_64_TPOFF32.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117481 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Replace pointer arithmetic with StringRef::substr.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117477 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Produce an error for an invalid use of .symver.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117462 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Symbols defined as the difference of other two end up in the ABS section.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117451 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Add support for the .symver directive. This is really ugly, but most of it isRafael Espindola
contained in the ELF object writer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117448 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Move more logic to isInSymtab and simplify.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117447 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-25Add support for emitting ARM file attributes.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117275 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-24Add X86::reloc_global_offset_table and use it to have a single place whereRafael Espindola
we check for _GLOBAL_OFFSET_TABLE_. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117241 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-22Making the e_machine configurable by the target backend in ELFObjectWriter.Wesley Peck
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117099 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Small cleanups and fixes in preparation for fixing _GLOBAL_OFFSET_TABLE_.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116848 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-18Implement R_386_GOT32.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116744 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-18Relocate with .bss instead of using the symbol. Matches gas behavior.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116741 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-18Reenable assert.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116738 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-18Produce ELF::R_386_GOTPC relocations.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116728 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-18Make the bots happy.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116719 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-18Produce a R_386_PLT32 when needed. Moved the default cases of switches to theRafael Espindola
start for consistency. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116715 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-18Handle GOTOFF correctly on i386.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116711 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-17Fix a typo and silence unused variable warnings in -Asserts build.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116685 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-16Add a MCObjectFormat class so that code common to all targets that use aRafael Espindola
single object format can be shared. This also adds support for mov zed+(bar-foo), %eax on ELF and COFF targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116675 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-15Refactor alias handling to AliasedSymbol.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116600 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-15Refactor code a bit and avoid creating unnecessary entries in the stringRafael Espindola
map. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116579 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-14Remove some code duplication.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116484 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-06Another case of 256 sections not being enough :-)Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115858 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-06Get binding and visibility info from the the alias, but Type from the symbolRafael Espindola
being aliased. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115836 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-06If a symbol is global, reloc against it even if it is in a mergeable section.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115817 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-06Make sure weak symbols are listed after the local ones.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115795 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-06Correctly handle GOTPCREL relocations.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115793 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-05Use a relocation against the symbol if it is a PLT and the symbol is in anotherRafael Espindola
section. Common because of linkonce sections. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115718 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-05Implement more alias cases.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115699 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-05256 sections should be enough for anyone...Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115687 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-05Don't crash in a strange .size directive.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115684 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-05Implement a simple alias case and refactor the code a bit so that theRafael Espindola
isInSymtab and isLocal logic in the two loops don't get easily out of sync. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115643 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-05Produce a undefined reference to _GLOBAL_OFFSET_TABLE_ when needed.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115623 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-05On ELF we need to know which symbols are used in relocations to decide ifRafael Espindola
they should be in the symbol table or not. Instead of "guessing", just compute the symbol table after the relocations are known. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115619 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-04Implement ELF::R_X86_64_GOTPCREL.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115547 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-04Move isFixupKindX86PCRel.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115545 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-04Produce a R_X86_64_PLT32 when needed.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115541 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-04Produce a R_X86_64_GOT32 when needed.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115537 91177308-0d34-0410-b5e6-96231b3b80d8
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