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f6972f8e23
The directive '.option pic2' enables PIC from assembly source. At the moment none of the macros/directives check the PIC bit but that's going to be fixed relatively soon. For example, the expansion of macros like 'la' depend on the relocation model. llvm-svn: 204803
122 lines
4.3 KiB
C++
122 lines
4.3 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 MIPSTARGETSTREAMER_H
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#define MIPSTARGETSTREAMER_H
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#include "llvm/MC/MCELFStreamer.h"
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#include "llvm/MC/MCStreamer.h"
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namespace llvm {
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class MipsTargetStreamer : public MCTargetStreamer {
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virtual void anchor();
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public:
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MipsTargetStreamer(MCStreamer &S);
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virtual void emitDirectiveSetMicroMips() = 0;
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virtual void emitDirectiveSetNoMicroMips() = 0;
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virtual void emitDirectiveSetMips16() = 0;
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virtual void emitDirectiveSetNoMips16() = 0;
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virtual void emitDirectiveSetReorder() = 0;
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virtual void emitDirectiveSetNoReorder() = 0;
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virtual void emitDirectiveSetMacro() = 0;
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virtual void emitDirectiveSetNoMacro() = 0;
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virtual void emitDirectiveSetAt() = 0;
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virtual void emitDirectiveSetNoAt() = 0;
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virtual void emitDirectiveEnd(StringRef Name) = 0;
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virtual void emitDirectiveEnt(const MCSymbol &Symbol) = 0;
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virtual void emitDirectiveAbiCalls() = 0;
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virtual void emitDirectiveOptionPic0() = 0;
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virtual void emitDirectiveOptionPic2() = 0;
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virtual void emitFrame(unsigned StackReg, unsigned StackSize,
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unsigned ReturnReg) = 0;
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virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) = 0;
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virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) = 0;
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virtual void emitDirectiveSetMips32R2() = 0;
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virtual void emitDirectiveSetDsp() = 0;
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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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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 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 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 emitDirectiveSetMips32R2();
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virtual void emitDirectiveSetDsp();
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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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virtual void emitLabel(MCSymbol *Symbol) override;
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virtual void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
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void finish() override;
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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 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 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 emitDirectiveSetMips32R2();
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virtual void emitDirectiveSetDsp();
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};
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}
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#endif
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