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Map ELf flags back to more specific section kinds.

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With that, convert another llc -filetype=obj test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205031 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-03-28 19:14:08 +00:00
parent be560a3fb7
commit a53735bcf1
3 changed files with 115 additions and 41 deletions
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30
lib/MC/MCParser/ELFAsmParser.cpp
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@ -269,11 +269,37 @@ bool ELFAsmParser::ParseSectionName(StringRef &SectionName) {
return false;
}
static SectionKind computeSectionKind(unsigned Flags) {
static SectionKind computeSectionKind(unsigned Flags, unsigned ElemSize) {
if (Flags & ELF::SHF_EXECINSTR)
return SectionKind::getText();
if (Flags & ELF::SHF_TLS)
return SectionKind::getThreadData();
if (Flags & ELF::SHF_MERGE) {
if (Flags & ELF::SHF_STRINGS) {
switch (ElemSize) {
default:
break;
case 1:
return SectionKind::getMergeable1ByteCString();
case 2:
return SectionKind::getMergeable2ByteCString();
case 4:
return SectionKind::getMergeable4ByteCString();
}
} else {
switch (ElemSize) {
default:
break;
case 4:
return SectionKind::getMergeableConst4();
case 8:
return SectionKind::getMergeableConst8();
case 16:
return SectionKind::getMergeableConst16();
}
}
}
return SectionKind::getDataRel();
}
@ -518,7 +544,7 @@ EndStmt:
}
}
SectionKind Kind = computeSectionKind(Flags);
SectionKind Kind = computeSectionKind(Flags, Size);
getStreamer().SwitchSection(getContext().getELFSection(SectionName, Type,
Flags, Kind, Size,
GroupName),