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//===-- MipsTargetStreamer.h - Mips Target Streamer ------------*- C++ -*--===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef MIPSTARGETSTREAMER_H
#define MIPSTARGETSTREAMER_H
#include "llvm/MC/MCELFStreamer.h"
#include "llvm/MC/MCStreamer.h"
#include "MCTargetDesc/MipsABIFlagsSection.h"
namespace llvm {
struct MipsABIFlagsSection;
class MipsTargetStreamer : public MCTargetStreamer {
public:
MipsTargetStreamer(MCStreamer &S);
virtual void emitDirectiveSetMicroMips();
virtual void emitDirectiveSetNoMicroMips();
virtual void emitDirectiveSetMips16();
virtual void emitDirectiveSetNoMips16();
virtual void emitDirectiveSetReorder();
virtual void emitDirectiveSetNoReorder();
virtual void emitDirectiveSetMacro();
virtual void emitDirectiveSetNoMacro();
virtual void emitDirectiveSetAt();
virtual void emitDirectiveSetNoAt();
virtual void emitDirectiveEnd(StringRef Name);
virtual void emitDirectiveEnt(const MCSymbol &Symbol);
virtual void emitDirectiveAbiCalls();
virtual void emitDirectiveNaN2008();
virtual void emitDirectiveNaNLegacy();
virtual void emitDirectiveOptionPic0();
virtual void emitDirectiveOptionPic2();
virtual void emitFrame(unsigned StackReg, unsigned StackSize,
unsigned ReturnReg);
virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
virtual void emitDirectiveSetMips32R2();
virtual void emitDirectiveSetMips64();
virtual void emitDirectiveSetMips64R2();
virtual void emitDirectiveSetDsp();
// PIC support
virtual void emitDirectiveCpload(unsigned RegNo);
virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
const MCSymbol &Sym, bool IsReg);
/// Emit a '.module fp=value' directive using the given values.
/// Updates the .MIPS.abiflags section
virtual void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
bool Is32BitABI) {
ABIFlagsSection.setFpABI(Value, Is32BitABI);
}
/// Emit a '.module fp=value' directive using the current values of the
/// .MIPS.abiflags section.
void emitDirectiveModuleFP() {
emitDirectiveModuleFP(ABIFlagsSection.getFpABI(),
ABIFlagsSection.Is32BitABI);
}
virtual void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI);
virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value){};
virtual void emitMipsAbiFlags(){};
void setCanHaveModuleDir(bool Can) { canHaveModuleDirective = Can; }
bool getCanHaveModuleDir() { return canHaveModuleDirective; }
// This method enables template classes to set internal abi flags
// structure values.
template <class PredicateLibrary>
void updateABIInfo(const PredicateLibrary &P) {
ABIFlagsSection.setAllFromPredicates(P);
}
MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
protected:
MipsABIFlagsSection ABIFlagsSection;
private:
bool canHaveModuleDirective;
};
// This part is for ascii assembly output
class MipsTargetAsmStreamer : public MipsTargetStreamer {
formatted_raw_ostream &OS;
public:
MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
void emitDirectiveSetMicroMips() override;
void emitDirectiveSetNoMicroMips() override;
void emitDirectiveSetMips16() override;
void emitDirectiveSetNoMips16() override;
void emitDirectiveSetReorder() override;
void emitDirectiveSetNoReorder() override;
void emitDirectiveSetMacro() override;
void emitDirectiveSetNoMacro() override;
void emitDirectiveSetAt() override;
void emitDirectiveSetNoAt() override;
void emitDirectiveEnd(StringRef Name) override;
void emitDirectiveEnt(const MCSymbol &Symbol) override;
void emitDirectiveAbiCalls() override;
void emitDirectiveNaN2008() override;
void emitDirectiveNaNLegacy() override;
void emitDirectiveOptionPic0() override;
void emitDirectiveOptionPic2() override;
void emitFrame(unsigned StackReg, unsigned StackSize,
unsigned ReturnReg) override;
void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
void emitDirectiveSetMips32R2() override;
void emitDirectiveSetMips64() override;
void emitDirectiveSetMips64R2() override;
void emitDirectiveSetDsp() override;
// PIC support
virtual void emitDirectiveCpload(unsigned RegNo);
void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
const MCSymbol &Sym, bool IsReg) override;
// ABI Flags
void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
bool Is32BitABI) override;
void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
void emitMipsAbiFlags() override;
};
// This part is for ELF object output
class MipsTargetELFStreamer : public MipsTargetStreamer {
bool MicroMipsEnabled;
const MCSubtargetInfo &STI;
bool Pic;
public:
bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
MCELFStreamer &getStreamer();
MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
void emitLabel(MCSymbol *Symbol) override;
void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
void finish() override;
void emitDirectiveSetMicroMips() override;
void emitDirectiveSetNoMicroMips() override;
void emitDirectiveSetMips16() override;
void emitDirectiveSetNoMips16() override;
void emitDirectiveSetReorder() override;
void emitDirectiveSetNoReorder() override;
void emitDirectiveSetMacro() override;
void emitDirectiveSetNoMacro() override;
void emitDirectiveSetAt() override;
void emitDirectiveSetNoAt() override;
void emitDirectiveEnd(StringRef Name) override;
void emitDirectiveEnt(const MCSymbol &Symbol) override;
void emitDirectiveAbiCalls() override;
void emitDirectiveNaN2008() override;
void emitDirectiveNaNLegacy() override;
void emitDirectiveOptionPic0() override;
void emitDirectiveOptionPic2() override;
void emitFrame(unsigned StackReg, unsigned StackSize,
unsigned ReturnReg) override;
void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
void emitDirectiveSetMips32R2() override;
void emitDirectiveSetMips64() override;
void emitDirectiveSetMips64R2() override;
void emitDirectiveSetDsp() override;
// PIC support
virtual void emitDirectiveCpload(unsigned RegNo);
void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
const MCSymbol &Sym, bool IsReg) override;
// ABI Flags
void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
void emitMipsAbiFlags() override;
protected:
bool isO32() const { return STI.getFeatureBits() & Mips::FeatureO32; }
bool isN32() const { return STI.getFeatureBits() & Mips::FeatureN32; }
bool isN64() const { return STI.getFeatureBits() & Mips::FeatureN64; }
};
}
#endif
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