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stop using the .lcomm pseudoop on darwin, instead, directly use the

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.zerofill directive.  Streamerize its generation.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93868 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-01-19 06:25:51 +00:00
parent 258281d8ac
commit 814819f6ea
6 changed files with 40 additions and 26 deletions
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16
lib/Target/TargetLoweringObjectFile.cpp
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@ -761,16 +761,19 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
ConstDataCoalSection
= getMachOSection("__DATA","__const_coal", MCSectionMachO::S_COALESCED,
SectionKind::getText());
DataCommonSection
= getMachOSection("__DATA","__common", MCSectionMachO::S_ZEROFILL,
SectionKind::getBSS());
ConstDataSection // .const_data
= getMachOSection("__DATA", "__const", 0,
SectionKind::getReadOnlyWithRel());
DataCoalSection
= getMachOSection("__DATA","__datacoal_nt", MCSectionMachO::S_COALESCED,
SectionKind::getDataRel());
DataCommonSection
= getMachOSection("__DATA","__common", MCSectionMachO::S_ZEROFILL,
SectionKind::getBSS());
DataBSSSection
= getMachOSection("__DATA","__bss", MCSectionMachO::S_ZEROFILL,
SectionKind::getBSS());
LazySymbolPointerSection
= getMachOSection("__DATA", "__la_symbol_ptr",
@ -933,6 +936,11 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
// DATA, __common section with the .zerofill directive.
if (Kind.isBSSExtern())
return DataCommonSection;
// Put zero initialized globals with local linkage in __DATA,__bss directive
// with the .zerofill directive (aka .lcomm).
if (Kind.isBSSLocal())
return DataBSSSection;
// Otherwise, just drop the variable in the normal data section.
return DataSection;