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Properly emit ctors / dtors with priorities into desired sections

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and let linker handle the rest.

This finally fixes PR5329



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148990 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2012-01-25 22:24:19 +00:00
parent 58a3685916
commit 4a99f59aef
11 changed files with 123 additions and 64 deletions
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26
lib/CodeGen/TargetLoweringObjectFileImpl.cpp
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@ -340,6 +340,32 @@ getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
getExprForDwarfGlobalReference(GV, Mang, MMI, Encoding, Streamer);
}
const MCSection *
TargetLoweringObjectFileELF::getStaticCtorSection(unsigned Priority) const {
// The default scheme is .ctor / .dtor, so we have to invert the priority
// numbering.
if (Priority == 65535)
return StaticCtorSection;
std::string Name = std::string(".ctors.") + utostr(65535 - Priority);
return getContext().getELFSection(Name, ELF::SHT_PROGBITS,
ELF::SHF_ALLOC |ELF::SHF_WRITE,
SectionKind::getDataRel());
}
const MCSection *
TargetLoweringObjectFileELF::getStaticDtorSection(unsigned Priority) const {
// The default scheme is .ctor / .dtor, so we have to invert the priority
// numbering.
if (Priority == 65535)
return StaticDtorSection;
std::string Name = std::string(".dtors.") + utostr(65535 - Priority);
return getContext().getELFSection(Name, ELF::SHT_PROGBITS,
ELF::SHF_ALLOC |ELF::SHF_WRITE,
SectionKind::getDataRel());
}
//===----------------------------------------------------------------------===//
// MachO
//===----------------------------------------------------------------------===//