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Fix MIPS exception personality encoding.

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For MIPS, we have to encode the personality routine with
an indirect pointer to absptr; otherwise, some link warning
warning will be raised, and the program might crash in some
early MIPS Android device.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209907 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Logan Chien
2014-05-30 16:48:56 +00:00
parent ba735134d7
commit 731d23ed42
4 changed files with 46 additions and 9 deletions
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7
lib/MC/MCObjectFileInfo.cpp
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@@ -321,6 +321,13 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
TTypeEncoding = dwarf::DW_EH_PE_absptr;
}
break;
case Triple::mips:
case Triple::mipsel:
// MIPS uses indirect pointer to refer personality functions, so that the
// eh_frame section can be read-only. DW.ref.personality will be generated
// for relocation.
PersonalityEncoding = dwarf::DW_EH_PE_indirect;
break;
case Triple::ppc64:
case Triple::ppc64le:
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |