//===----------------------------------------------------------------------===//
#include "llvm/MC/MCStreamer.h"
-
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCSectionMachO.h"
class MCNullStreamer : public MCStreamer {
public:
- MCNullStreamer(MCContext &Context) : MCStreamer(Context) {}
+ MCNullStreamer(MCContext &Context) : MCStreamer(SK_NullStreamer, Context) {}
/// @name MCStreamer Interface
/// @{
+ virtual void InitToTextSection() {
+ }
+
virtual void InitSections() {
}
- virtual void SwitchSection(const MCSection *Section) {
- PrevSection = CurSection;
- CurSection = Section;
+ virtual void ChangeSection(const MCSection *Section,
+ const MCExpr *Subsection) {
}
virtual void EmitLabel(MCSymbol *Symbol) {
assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
- assert(CurSection && "Cannot emit before setting section!");
- Symbol->setSection(*CurSection);
+ assert(getCurrentSection().first &&"Cannot emit before setting section!");
+ Symbol->setSection(*getCurrentSection().first);
+ }
+ virtual void EmitDebugLabel(MCSymbol *Symbol) {
+ EmitLabel(Symbol);
}
-
virtual void EmitAssemblerFlag(MCAssemblerFlag Flag) {}
virtual void EmitThumbFunc(MCSymbol *Func) {}
virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {}
virtual void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol){}
+ virtual void EmitDwarfAdvanceLineAddr(int64_t LineDelta,
+ const MCSymbol *LastLabel,
+ const MCSymbol *Label,
+ unsigned PointerSize) {}
- virtual void EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute){}
+ virtual bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute){
+ return true;
+ }
virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {}
virtual void EmitCOFFSymbolStorageClass(int StorageClass) {}
virtual void EmitCOFFSymbolType(int Type) {}
virtual void EndCOFFSymbolDef() {}
+ virtual void EmitCOFFSecRel32(MCSymbol const *Symbol) {}
virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {}
virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) {}
- virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size) {}
-
+ virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
+ unsigned ByteAlignment) {}
virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
- unsigned Size = 0, unsigned ByteAlignment = 0) {}
+ uint64_t Size = 0, unsigned ByteAlignment = 0) {}
virtual void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
uint64_t Size, unsigned ByteAlignment) {}
- virtual void EmitBytes(StringRef Data, unsigned AddrSpace) {}
-
- virtual void EmitValue(const MCExpr *Value, unsigned Size,
- unsigned AddrSpace, bool UseSet = false) {}
- virtual void EmitULEB128Value(const MCExpr *Value,
- unsigned AddrSpace = 0) {}
- virtual void EmitSLEB128Value(const MCExpr *Value,
- unsigned AddrSpace = 0) {}
+ virtual void EmitBytes(StringRef Data) {}
+
+ virtual void EmitValueImpl(const MCExpr *Value, unsigned Size) {}
+ virtual void EmitULEB128Value(const MCExpr *Value) {}
+ virtual void EmitSLEB128Value(const MCExpr *Value) {}
virtual void EmitGPRel32Value(const MCExpr *Value) {}
virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0,
unsigned ValueSize = 1,
virtual void EmitCodeAlignment(unsigned ByteAlignment,
unsigned MaxBytesToEmit = 0) {}
- virtual void EmitValueToOffset(const MCExpr *Offset,
- unsigned char Value = 0) {}
-
+ virtual bool EmitValueToOffset(const MCExpr *Offset,
+ unsigned char Value = 0) { return false; }
+
virtual void EmitFileDirective(StringRef Filename) {}
- virtual bool EmitDwarfFileDirective(unsigned FileNo,StringRef Filename) {
+ virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
+ StringRef Filename, unsigned CUID = 0) {
return false;
}
virtual void EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
unsigned Column, unsigned Flags,
- unsigned Isa, unsigned Discriminator) {}
+ unsigned Isa, unsigned Discriminator,
+ StringRef FileName) {}
virtual void EmitInstruction(const MCInst &Inst) {}
- virtual void Finish() {}
-
+ virtual void EmitBundleAlignMode(unsigned AlignPow2) {}
+ virtual void EmitBundleLock(bool AlignToEnd) {}
+ virtual void EmitBundleUnlock() {}
+
+ virtual void FinishImpl() {}
+
+ virtual void EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) {
+ RecordProcEnd(Frame);
+ }
+
/// @}
+
+ static bool classof(const MCStreamer *S) {
+ return S->getKind() == SK_NullStreamer;
+ }
+
};
}
-
+
MCStreamer *llvm::createNullStreamer(MCContext &Context) {
return new MCNullStreamer(Context);
}