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Add .pdata and .xdata sections to the COFF TLOF implementation. 

llvm-svn: 131763
This commit is contained in:
Charles Davis 2011-05-20 22:13:55 +00:00
parent 43479731c0
commit bc1feb1f25
3 changed files with 27 additions and 0 deletions
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10
llvm/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
View File

@ -58,6 +58,8 @@ public:
virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
virtual const MCSection *getEHFrameSection() const;
virtual const MCSection *getWin64EHFuncTableSection() const { return NULL; }
virtual const MCSection *getWin64EHTableSection() const { return NULL; }
virtual void emitPersonalityValue(MCStreamer &Streamer,
const TargetMachine &TM,
@ -133,6 +135,8 @@ public:
virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
virtual const MCSection *getEHFrameSection() const;
virtual const MCSection *getWin64EHFuncTableSection() const { return NULL; }
virtual const MCSection *getWin64EHTableSection() const { return NULL; }
virtual const MCSection *
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
@ -196,6 +200,8 @@ public:
class TargetLoweringObjectFileCOFF : public TargetLoweringObjectFile {
const MCSection *DrectveSection;
const MCSection *PDataSection;
const MCSection *XDataSection;
public:
TargetLoweringObjectFileCOFF() {}
~TargetLoweringObjectFileCOFF() {}
@ -203,6 +209,10 @@ public:
virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
virtual const MCSection *getEHFrameSection() const;
virtual const MCSection *getWin64EHFuncTableSection() const {
return PDataSection;
}
virtual const MCSection *getWin64EHTableSection() const {return XDataSection;}
virtual const MCSection *getDrectveSection() const { return DrectveSection; }

2
llvm/include/llvm/Target/TargetLoweringObjectFile.h
View File

@ -155,6 +155,8 @@ public:
const MCSection *getTLSExtraDataSection() const {
return TLSExtraDataSection;
}
virtual const MCSection *getWin64EHFuncTableSection() const = 0;
virtual const MCSection *getWin64EHTableSection() const = 0;
/// shouldEmitUsedDirectiveFor - This hook allows targets to selectively
/// decide not to emit the UsedDirective for some symbols in llvm.used.

15
llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
View File

@ -941,6 +941,7 @@ void TargetLoweringObjectFileCOFF::Initialize(MCContext &Ctx,
SectionKind::getMetadata());
DwarfLineSection =
getContext().getCOFFSection(".debug_line",
SectionKind::getMetadata());
COFF::IMAGE_SCN_MEM_DISCARDABLE |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getMetadata());
@ -989,6 +990,20 @@ void TargetLoweringObjectFileCOFF::Initialize(MCContext &Ctx,
getContext().getCOFFSection(".drectve",
COFF::IMAGE_SCN_LNK_INFO,
SectionKind::getMetadata());
PDataSection =
getContext().getCOFFSection(".pdata",
COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ |
COFF::IMAGE_SCN_MEM_WRITE,
SectionKind::getDataRel());
XDataSection =
getContext().getCOFFSection(".xdata",
COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ |
COFF::IMAGE_SCN_MEM_WRITE,
SectionKind::getDataRel());
}
const MCSection *TargetLoweringObjectFileCOFF::getEHFrameSection() const {