#ifndef LLVM_CODEGEN_TARGETLOWERINGOBJECTFILEIMPL_H
#define LLVM_CODEGEN_TARGETLOWERINGOBJECTFILEIMPL_H
-#include "llvm/ADT/StringRef.h"
#include "llvm/MC/SectionKind.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
+#include "llvm/ADT/StringRef.h"
namespace llvm {
class MachineModuleInfo;
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;
+ bool UseInitArray;
- 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);
+ virtual ~TargetLoweringObjectFileELF() {}
- const MCSection *getDataRelSection() const { return DataRelSection; }
+ virtual void emitPersonalityValue(MCStreamer &Streamer,
+ const TargetMachine &TM,
+ const MCSymbol *Sym) const;
/// getSectionForConstant - Given a constant with the SectionKind, return a
/// section that it should be placed in.
getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
MachineModuleInfo *MMI, unsigned Encoding,
MCStreamer &Streamer) const;
+
+ // getCFIPersonalitySymbol - The symbol that gets passed to .cfi_personality.
+ virtual MCSymbol *
+ getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI) const;
+
+ void InitializeELF(bool UseInitArray_);
+ virtual const MCSection *
+ getStaticCtorSection(unsigned Priority = 65535) const;
+ virtual const MCSection *
+ getStaticDtorSection(unsigned Priority = 65535) 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 ~TargetLoweringObjectFileMachO() {}
- virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
+ /// emitModuleFlags - Emit the module flags that specify the garbage
+ /// collection information.
+ virtual void emitModuleFlags(MCStreamer &Streamer,
+ ArrayRef<Module::ModuleFlagEntry> ModuleFlags,
+ Mangler *Mang, const TargetMachine &TM) const;
virtual const MCSection *
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
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;
- }
-
/// getExprForDwarfGlobalReference - The mach-o version of this method
/// defaults to returning a stub reference.
virtual const MCExpr *
MachineModuleInfo *MMI, unsigned Encoding,
MCStreamer &Streamer) const;
- virtual unsigned getPersonalityEncoding() const;
- virtual unsigned getLSDAEncoding() const;
- virtual unsigned getFDEEncoding() const;
- virtual unsigned getTTypeEncoding() const;
+ // getCFIPersonalitySymbol - The symbol that gets passed to .cfi_personality.
+ virtual MCSymbol *
+ getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI) const;
};
class TargetLoweringObjectFileCOFF : public TargetLoweringObjectFile {
- mutable void *UniquingMap;
public:
- TargetLoweringObjectFileCOFF() : UniquingMap(0) {}
- ~TargetLoweringObjectFileCOFF();
-
- virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
+ virtual ~TargetLoweringObjectFileCOFF() {}
virtual const MCSection *
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
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