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Move TLOF implementations to libCodegen to resolve layering violation.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96288 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2010-02-15 22:37:53 +00:00
parent ac8a3d0b5b
commit 362dd0bef5
18 changed files with 1091 additions and 1025 deletions
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include/llvm/Target/TargetLoweringObjectFile.h
-168
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@@ -197,174 +197,6 @@ protected:
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const;
};
class TargetLoweringObjectFileELF : public TargetLoweringObjectFile {
mutable void *UniquingMap;
protected:
/// TLSDataSection - Section directive for Thread Local data.
///
const MCSection *TLSDataSection; // Defaults to ".tdata".
/// TLSBSSSection - Section directive for Thread Local uninitialized data.
/// Null if this target doesn't support a BSS section.
///
const MCSection *TLSBSSSection; // Defaults to ".tbss".
const MCSection *DataRelSection;
const MCSection *DataRelLocalSection;
const MCSection *DataRelROSection;
const MCSection *DataRelROLocalSection;
const MCSection *MergeableConst4Section;
const MCSection *MergeableConst8Section;
const MCSection *MergeableConst16Section;
protected:
const MCSection *getELFSection(StringRef Section, unsigned Type,
unsigned Flags, SectionKind Kind,
bool IsExplicit = false) const;
public:
TargetLoweringObjectFileELF() : UniquingMap(0) {}
~TargetLoweringObjectFileELF();
virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
const MCSection *getDataRelSection() const { return DataRelSection; }
/// getSectionForConstant - Given a constant with the SectionKind, return a
/// section that it should be placed in.
virtual const MCSection *getSectionForConstant(SectionKind Kind) const;
virtual const MCSection *
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const;
virtual const MCSection *
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const;
/// getSymbolForDwarfGlobalReference - Return an MCExpr to use for a reference
/// to the specified global variable from exception handling information.
///
virtual const MCExpr *
getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
MachineModuleInfo *MMI, unsigned Encoding) const;
};
class TargetLoweringObjectFileMachO : public TargetLoweringObjectFile {
mutable void *UniquingMap;
const MCSection *CStringSection;
const MCSection *UStringSection;
const MCSection *TextCoalSection;
const MCSection *ConstTextCoalSection;
const MCSection *ConstDataCoalSection;
const MCSection *ConstDataSection;
const MCSection *DataCoalSection;
const MCSection *DataCommonSection;
const MCSection *DataBSSSection;
const MCSection *FourByteConstantSection;
const MCSection *EightByteConstantSection;
const MCSection *SixteenByteConstantSection;
const MCSection *LazySymbolPointerSection;
const MCSection *NonLazySymbolPointerSection;
public:
TargetLoweringObjectFileMachO() : UniquingMap(0) {}
~TargetLoweringObjectFileMachO();
virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
virtual const MCSection *
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const;
virtual const MCSection *
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const;
virtual const MCSection *getSectionForConstant(SectionKind Kind) const;
/// shouldEmitUsedDirectiveFor - This hook allows targets to selectively
/// decide not to emit the UsedDirective for some symbols in llvm.used.
/// FIXME: REMOVE this (rdar://7071300)
virtual bool shouldEmitUsedDirectiveFor(const GlobalValue *GV,
Mangler *) const;
/// getMachOSection - Return the MCSection for the specified mach-o section.
/// This requires the operands to be valid.
const MCSectionMachO *getMachOSection(StringRef Segment,
StringRef Section,
unsigned TypeAndAttributes,
SectionKind K) const {
return getMachOSection(Segment, Section, TypeAndAttributes, 0, K);
}
const MCSectionMachO *getMachOSection(StringRef Segment,
StringRef Section,
unsigned TypeAndAttributes,
unsigned Reserved2,
SectionKind K) const;
/// getTextCoalSection - Return the "__TEXT,__textcoal_nt" section we put weak
/// text symbols into.
const MCSection *getTextCoalSection() const {
return TextCoalSection;
}
/// getConstTextCoalSection - Return the "__TEXT,__const_coal" section
/// we put weak read-only symbols into.
const MCSection *getConstTextCoalSection() const {
return ConstTextCoalSection;
}
/// getLazySymbolPointerSection - Return the section corresponding to
/// the .lazy_symbol_pointer directive.
const MCSection *getLazySymbolPointerSection() const {
return LazySymbolPointerSection;
}
/// getNonLazySymbolPointerSection - Return the section corresponding to
/// the .non_lazy_symbol_pointer directive.
const MCSection *getNonLazySymbolPointerSection() const {
return NonLazySymbolPointerSection;
}
/// getSymbolForDwarfGlobalReference - The mach-o version of this method
/// defaults to returning a stub reference.
virtual const MCExpr *
getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
MachineModuleInfo *MMI, unsigned Encoding) const;
};
class TargetLoweringObjectFileCOFF : public TargetLoweringObjectFile {
mutable void *UniquingMap;
public:
TargetLoweringObjectFileCOFF() : UniquingMap(0) {}
~TargetLoweringObjectFileCOFF();
virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
virtual const MCSection *
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const;
virtual const MCSection *
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const;
/// getCOFFSection - Return the MCSection for the specified COFF section.
/// FIXME: Switch this to a semantic view eventually.
const MCSection *getCOFFSection(StringRef Name, bool isDirective,
SectionKind K) const;
};
} // end namespace llvm