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[SystemZ] Define DWARF encoding

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This is another patch in preparation for adding the SystemZ target.
It defines the appropriate values for DWARF encodings; the intent
is to be compatible with what GCC currently does on the target.

Patch by Richard Sandiford.

llvm-svn: 181201
This commit is contained in:
Ulrich Weigand 2013-05-06 16:11:12 +00:00
parent 64a9e145f1
commit 5d91c7d3fb
1 changed files with 9 additions and 0 deletions
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9
lib/MC/MCObjectFileInfo.cpp
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@ -295,6 +295,15 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
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;
} else if (T.getArch() == Triple::systemz) {
// All currently-defined code models guarantee that 4-byte PC-relative
// values will be in range.
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4;
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4;
}
// Solaris requires different flags for .eh_frame to seemingly every other