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Provide default implementation of different small-sections related stuff

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llvm-svn: 53920
This commit is contained in:
Anton Korobeynikov 2008-07-22 17:09:59 +00:00
parent 090eca95ab
commit af50b3159f
1 changed files with 21 additions and 3 deletions
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24
lib/Target/TargetAsmInfo.cpp
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@ -231,6 +231,13 @@ TargetAsmInfo::SectionFlagsForGlobal(const GlobalValue *GV,
case SectionKind::RODataMergeConst:
// No additional flags here
break;
case SectionKind::SmallData:
case SectionKind::SmallBSS:
Flags |= SectionFlags::Writeable;
// FALLS THROUGH
case SectionKind::SmallROData:
Flags |= SectionFlags::Small;
break;
default:
assert(0 && "Unexpected section kind!");
}
@ -245,7 +252,9 @@ TargetAsmInfo::SectionFlagsForGlobal(const GlobalValue *GV,
// Some lame default implementation based on some magic section names.
if (strncmp(Name, ".gnu.linkonce.b.", 16) == 0 ||
strncmp(Name, ".llvm.linkonce.b.", 17) == 0)
strncmp(Name, ".llvm.linkonce.b.", 17) == 0 ||
strncmp(Name, ".gnu.linkonce.sb.", 17) == 0 ||
strncmp(Name, ".llvm.linkonce.sb.", 18) == 0)
Flags |= SectionFlags::BSS;
else if (strcmp(Name, ".tdata") == 0 ||
strncmp(Name, ".tdata.", 7) == 0 ||
@ -297,12 +306,15 @@ TargetAsmInfo::SelectSectionForGlobal(const GlobalValue *GV) const {
} else {
if (Kind == SectionKind::Text)
return getTextSection_();
else if (Kind == SectionKind::BSS && getBSSSection_())
else if ((Kind == SectionKind::BSS ||
Kind == SectionKind::SmallBSS) &&
getBSSSection_())
return getBSSSection_();
else if (getReadOnlySection_() &&
(Kind == SectionKind::ROData ||
Kind == SectionKind::RODataMergeConst ||
Kind == SectionKind::RODataMergeStr))
Kind == SectionKind::RODataMergeStr ||
Kind == SectionKind::SmallROData))
return getReadOnlySection_();
}
@ -317,12 +329,18 @@ TargetAsmInfo::UniqueSectionForGlobal(const GlobalValue* GV,
return ".gnu.linkonce.t." + GV->getName();
case SectionKind::Data:
return ".gnu.linkonce.d." + GV->getName();
case SectionKind::SmallData:
return ".gnu.linkonce.s." + GV->getName();
case SectionKind::BSS:
return ".gnu.linkonce.b." + GV->getName();
case SectionKind::SmallBSS:
return ".gnu.linkonce.sb." + GV->getName();
case SectionKind::ROData:
case SectionKind::RODataMergeConst:
case SectionKind::RODataMergeStr:
return ".gnu.linkonce.r." + GV->getName();
case SectionKind::SmallROData:
return ".gnu.linkonce.s2." + GV->getName();
case SectionKind::ThreadData:
return ".gnu.linkonce.td." + GV->getName();
case SectionKind::ThreadBSS: