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PowerPC: EH adjustments

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This patch adjust the r171506 to make all DWARF enconding pc-relative
for PPC64. It also adds the R_PPC64_REL32 relocation handling in MCJIT
(since the eh_frame will not generate PIC-relative relocation) and also
adds the emission of stubs created by the TTypeEncoding.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171979 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Adhemerval Zanella
2013-01-09 17:08:15 +00:00
parent cde8168964
commit a1db5de9e7
5 changed files with 38 additions and 14 deletions
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17
lib/MC/MCObjectFileInfo.cpp
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@ -257,16 +257,13 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
}
} else if (T.getArch() == Triple::ppc64) {
PersonalityEncoding = dwarf::DW_EH_PE_udata8;
PersonalityEncoding |= (RelocM == Reloc::PIC_)
? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel
: dwarf::DW_EH_PE_absptr;
unsigned PICFlag = (RelocM == Reloc::PIC_) ? dwarf::DW_EH_PE_pcrel
: dwarf::DW_EH_PE_absptr;
FDECFIEncoding = PICFlag | dwarf::DW_EH_PE_sdata4;
LSDAEncoding = PICFlag | dwarf::DW_EH_PE_udata8;
FDEEncoding = PICFlag | dwarf::DW_EH_PE_sdata4;
TTypeEncoding = PICFlag | dwarf::DW_EH_PE_sdata4;
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_udata8;
FDECFIEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8;
FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_udata8;
}
// Solaris requires different flags for .eh_frame to seemingly every other