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mcstreamerize gprel32 emission.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94452 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -188,6 +188,13 @@ namespace llvm {
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/// to pass in a MCExpr for constant integers.
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virtual void EmitIntValue(uint64_t Value, unsigned Size,unsigned AddrSpace);
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/// EmitGPRel32Value - Emit the expression @param Value into the output as a
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/// gprel32 (32-bit GP relative) value.
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///
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/// This is used to implement assembler directives such as .gprel32 on
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/// targets that support them.
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virtual void EmitGPRel32Value(const MCExpr *Value) = 0;
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/// EmitFill - Emit NumBytes bytes worth of the value specified by
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/// FillValue. This implements directives such as '.space'.
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virtual void EmitFill(uint64_t NumBytes, uint8_t FillValue,
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@ -544,8 +544,9 @@ void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
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const MachineBasicBlock *MBB,
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unsigned uid) const {
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// If the target supports GPRel, use it.
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if (const char *GPRel32Dir = MAI->getGPRel32Directive()) {
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O << GPRel32Dir << *GetMBBSymbol(MBB->getNumber()) << '\n';
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if (MAI->getGPRel32Directive() != 0) {
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MCSymbol *MBBSym = GetMBBSymbol(MBB->getNumber());
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OutStreamer.EmitGPRel32Value(MCSymbolRefExpr::Create(MBBSym, OutContext));
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return;
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}
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@ -110,6 +110,8 @@ public:
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virtual void EmitValue(const MCExpr *Value, unsigned Size,unsigned AddrSpace);
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virtual void EmitIntValue(uint64_t Value, unsigned Size, unsigned AddrSpace);
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virtual void EmitGPRel32Value(const MCExpr *Value);
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virtual void EmitFill(uint64_t NumBytes, uint8_t FillValue,
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unsigned AddrSpace);
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@ -182,12 +184,6 @@ static inline int64_t truncateToSize(int64_t Value, unsigned Bytes) {
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return Value & ((uint64_t) (int64_t) -1 >> (64 - Bytes * 8));
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}
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static inline const MCExpr *truncateToSize(const MCExpr *Value,
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unsigned Bytes) {
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// FIXME: Do we really need this routine?
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return Value;
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}
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void MCAsmStreamer::SwitchSection(const MCSection *Section) {
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assert(Section && "Cannot switch to a null section!");
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if (Section != CurSection) {
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@ -425,10 +421,17 @@ void MCAsmStreamer::EmitValue(const MCExpr *Value, unsigned Size,
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}
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assert(Directive && "Invalid size for machine code value!");
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OS << Directive << *truncateToSize(Value, Size);
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OS << Directive << *Value;
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EmitEOL();
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}
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void MCAsmStreamer::EmitGPRel32Value(const MCExpr *Value) {
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assert(MAI.getGPRel32Directive() != 0);
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OS << MAI.getGPRel32Directive() << *Value;
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EmitEOL();
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}
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/// EmitFill - Emit NumBytes bytes worth of the value specified by
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/// FillValue. This implements directives such as '.space'.
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void MCAsmStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue,
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@ -46,13 +46,9 @@ class MCMachOStreamer : public MCStreamer {
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private:
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MCAssembler Assembler;
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MCCodeEmitter *Emitter;
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MCSectionData *CurSectionData;
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DenseMap<const MCSection*, MCSectionData*> SectionMap;
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DenseMap<const MCSymbol*, MCSymbolData*> SymbolMap;
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private:
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@ -134,6 +130,9 @@ public:
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unsigned Size = 0, unsigned ByteAlignment = 0);
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virtual void EmitBytes(StringRef Data, unsigned AddrSpace);
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virtual void EmitValue(const MCExpr *Value, unsigned Size,unsigned AddrSpace);
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virtual void EmitGPRel32Value(const MCExpr *Value) {
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assert(0 && "macho doesn't support this directive");
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}
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virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0,
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unsigned ValueSize = 1,
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unsigned MaxBytesToEmit = 0);
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@ -50,7 +50,7 @@ namespace {
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virtual void EmitValue(const MCExpr *Value, unsigned Size,
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unsigned AddrSpace) {}
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virtual void EmitGPRel32Value(const MCExpr *Value) {}
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virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0,
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unsigned ValueSize = 1,
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unsigned MaxBytesToEmit = 0) {}
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