diff options
| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-01-04 19:08:13 +0000 |
|---|---|---|
| committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-01-04 19:08:13 +0000 |
| commit | 9b0b7813955e618cf57335d5d107300d3cd3be64 (patch) | |
| tree | 338c3427f07fed97a44af9b1f2696f0116cad3a4 /llvm/lib/MC/MCObjectFileInfo.cpp | |
| parent | 3d1464caee9edeb1d2060f99de4e971f610d924e (diff) | |
| download | llvm-9b0b7813955e618cf57335d5d107300d3cd3be64.zip llvm-9b0b7813955e618cf57335d5d107300d3cd3be64.tar.gz llvm-9b0b7813955e618cf57335d5d107300d3cd3be64.tar.bz2 | |
PowerPC: Fix eh_frame relocation for PIC
This patch fixes the PPC eh_frame definitions for the personality and
frame unwinding for PIC objects. It makes PIC build correctly creates
relative relocations in the '.rela.eh_frame' segments and thus avoiding
a text relocation that generates a DT_TEXTREL segments in link phase.
llvm-svn: 171506
Diffstat (limited to 'llvm/lib/MC/MCObjectFileInfo.cpp')
| -rw-r--r-- | llvm/lib/MC/MCObjectFileInfo.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCObjectFileInfo.cpp b/llvm/lib/MC/MCObjectFileInfo.cpp index d73b9b1..a46f7be 100644 --- a/llvm/lib/MC/MCObjectFileInfo.cpp +++ b/llvm/lib/MC/MCObjectFileInfo.cpp @@ -256,6 +256,17 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { TTypeEncoding = (CMModel == CodeModel::Small) ? 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; } // Solaris requires different flags for .eh_frame to seemingly every other |