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4378ff024d
Summary: This directive is used to tell the assembler to reject DSP-specific instructions. Reviewers: dsanders Reviewed By: dsanders Differential Revision: http://reviews.llvm.org/D5142 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217946 91177308-0d34-0410-b5e6-96231b3b80d8
235 lines
8.3 KiB
C++
235 lines
8.3 KiB
C++
//===-- MipsTargetStreamer.h - Mips Target Streamer ------------*- C++ -*--===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_MIPS_MIPSTARGETSTREAMER_H
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#define LLVM_LIB_TARGET_MIPS_MIPSTARGETSTREAMER_H
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#include "llvm/MC/MCELFStreamer.h"
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/MC/MCStreamer.h"
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#include "MCTargetDesc/MipsABIFlagsSection.h"
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namespace llvm {
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struct MipsABIFlagsSection;
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class MipsTargetStreamer : public MCTargetStreamer {
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public:
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MipsTargetStreamer(MCStreamer &S);
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virtual void emitDirectiveSetMicroMips();
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virtual void emitDirectiveSetNoMicroMips();
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virtual void emitDirectiveSetMips16();
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virtual void emitDirectiveSetNoMips16();
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virtual void emitDirectiveSetReorder();
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virtual void emitDirectiveSetNoReorder();
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virtual void emitDirectiveSetMacro();
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virtual void emitDirectiveSetNoMacro();
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virtual void emitDirectiveSetMsa();
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virtual void emitDirectiveSetNoMsa();
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virtual void emitDirectiveSetAt();
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virtual void emitDirectiveSetNoAt();
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virtual void emitDirectiveEnd(StringRef Name);
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virtual void emitDirectiveEnt(const MCSymbol &Symbol);
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virtual void emitDirectiveAbiCalls();
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virtual void emitDirectiveNaN2008();
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virtual void emitDirectiveNaNLegacy();
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virtual void emitDirectiveOptionPic0();
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virtual void emitDirectiveOptionPic2();
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virtual void emitFrame(unsigned StackReg, unsigned StackSize,
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unsigned ReturnReg);
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virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
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virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
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virtual void emitDirectiveSetArch(StringRef Arch);
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virtual void emitDirectiveSetMips0();
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virtual void emitDirectiveSetMips1();
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virtual void emitDirectiveSetMips2();
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virtual void emitDirectiveSetMips3();
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virtual void emitDirectiveSetMips4();
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virtual void emitDirectiveSetMips5();
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virtual void emitDirectiveSetMips32();
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virtual void emitDirectiveSetMips32R2();
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virtual void emitDirectiveSetMips32R6();
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virtual void emitDirectiveSetMips64();
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virtual void emitDirectiveSetMips64R2();
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virtual void emitDirectiveSetMips64R6();
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virtual void emitDirectiveSetDsp();
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virtual void emitDirectiveSetNoDsp();
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virtual void emitDirectiveSetPop();
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virtual void emitDirectiveSetPush();
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// PIC support
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virtual void emitDirectiveCpload(unsigned RegNo);
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virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
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const MCSymbol &Sym, bool IsReg);
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/// Emit a '.module fp=value' directive using the given values.
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/// Updates the .MIPS.abiflags section
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virtual void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
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bool Is32BitABI) {
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ABIFlagsSection.setFpABI(Value, Is32BitABI);
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}
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/// Emit a '.module fp=value' directive using the current values of the
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/// .MIPS.abiflags section.
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void emitDirectiveModuleFP() {
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emitDirectiveModuleFP(ABIFlagsSection.getFpABI(),
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ABIFlagsSection.Is32BitABI);
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}
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virtual void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI);
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virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value){};
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virtual void emitMipsAbiFlags(){};
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void forbidModuleDirective() { ModuleDirectiveAllowed = false; }
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bool isModuleDirectiveAllowed() { return ModuleDirectiveAllowed; }
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// This method enables template classes to set internal abi flags
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// structure values.
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template <class PredicateLibrary>
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void updateABIInfo(const PredicateLibrary &P) {
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ABIFlagsSection.setAllFromPredicates(P);
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}
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MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
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protected:
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MipsABIFlagsSection ABIFlagsSection;
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bool GPRInfoSet;
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unsigned GPRBitMask;
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int GPROffset;
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bool FPRInfoSet;
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unsigned FPRBitMask;
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int FPROffset;
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bool FrameInfoSet;
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int FrameOffset;
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unsigned FrameReg;
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unsigned ReturnReg;
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private:
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bool ModuleDirectiveAllowed;
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};
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// This part is for ascii assembly output
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class MipsTargetAsmStreamer : public MipsTargetStreamer {
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formatted_raw_ostream &OS;
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public:
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MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
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void emitDirectiveSetMicroMips() override;
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void emitDirectiveSetNoMicroMips() override;
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void emitDirectiveSetMips16() override;
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void emitDirectiveSetNoMips16() override;
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void emitDirectiveSetReorder() override;
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void emitDirectiveSetNoReorder() override;
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void emitDirectiveSetMacro() override;
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void emitDirectiveSetNoMacro() override;
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void emitDirectiveSetMsa() override;
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void emitDirectiveSetNoMsa() override;
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void emitDirectiveSetAt() override;
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void emitDirectiveSetNoAt() override;
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void emitDirectiveEnd(StringRef Name) override;
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void emitDirectiveEnt(const MCSymbol &Symbol) override;
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void emitDirectiveAbiCalls() override;
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void emitDirectiveNaN2008() override;
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void emitDirectiveNaNLegacy() override;
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void emitDirectiveOptionPic0() override;
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void emitDirectiveOptionPic2() override;
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void emitFrame(unsigned StackReg, unsigned StackSize,
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unsigned ReturnReg) override;
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void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
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void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
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void emitDirectiveSetArch(StringRef Arch) override;
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void emitDirectiveSetMips0() override;
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void emitDirectiveSetMips1() override;
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void emitDirectiveSetMips2() override;
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void emitDirectiveSetMips3() override;
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void emitDirectiveSetMips4() override;
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void emitDirectiveSetMips5() override;
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void emitDirectiveSetMips32() override;
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void emitDirectiveSetMips32R2() override;
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void emitDirectiveSetMips32R6() override;
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void emitDirectiveSetMips64() override;
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void emitDirectiveSetMips64R2() override;
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void emitDirectiveSetMips64R6() override;
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void emitDirectiveSetDsp() override;
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void emitDirectiveSetNoDsp() override;
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void emitDirectiveSetPop() override;
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void emitDirectiveSetPush() override;
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// PIC support
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void emitDirectiveCpload(unsigned RegNo) override;
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void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
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const MCSymbol &Sym, bool IsReg) override;
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// ABI Flags
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void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
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bool Is32BitABI) override;
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void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
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void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
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void emitMipsAbiFlags() override;
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};
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// This part is for ELF object output
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class MipsTargetELFStreamer : public MipsTargetStreamer {
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bool MicroMipsEnabled;
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const MCSubtargetInfo &STI;
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bool Pic;
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public:
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bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
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MCELFStreamer &getStreamer();
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MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
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void emitLabel(MCSymbol *Symbol) override;
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void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
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void finish() override;
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void emitDirectiveSetMicroMips() override;
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void emitDirectiveSetNoMicroMips() override;
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void emitDirectiveSetMips16() override;
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void emitDirectiveSetNoReorder() override;
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void emitDirectiveEnd(StringRef Name) override;
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void emitDirectiveEnt(const MCSymbol &Symbol) override;
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void emitDirectiveAbiCalls() override;
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void emitDirectiveNaN2008() override;
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void emitDirectiveNaNLegacy() override;
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void emitDirectiveOptionPic0() override;
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void emitDirectiveOptionPic2() override;
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void emitFrame(unsigned StackReg, unsigned StackSize,
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unsigned ReturnReg) override;
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void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
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void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
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// PIC support
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void emitDirectiveCpload(unsigned RegNo) override;
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void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
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const MCSymbol &Sym, bool IsReg) override;
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// ABI Flags
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void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
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void emitMipsAbiFlags() override;
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protected:
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bool isO32() const { return STI.getFeatureBits() & Mips::FeatureO32; }
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bool isN32() const { return STI.getFeatureBits() & Mips::FeatureN32; }
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bool isN64() const { return STI.getFeatureBits() & Mips::FeatureN64; }
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};
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}
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#endif
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