1 //===-- MipsTargetStreamer.h - Mips Target Streamer ------------*- C++ -*--===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef MIPSTARGETSTREAMER_H
11 #define MIPSTARGETSTREAMER_H
13 #include "llvm/MC/MCELFStreamer.h"
14 #include "llvm/MC/MCStreamer.h"
15 #include "MCTargetDesc/MipsABIFlagsSection.h"
19 struct MipsABIFlagsSection;
21 using Val_GNU_MIPS_ABI = MipsABIFlagsSection::Val_GNU_MIPS_ABI;
23 class MipsTargetStreamer : public MCTargetStreamer {
25 MipsTargetStreamer(MCStreamer &S);
26 virtual void emitDirectiveSetMicroMips();
27 virtual void emitDirectiveSetNoMicroMips();
28 virtual void emitDirectiveSetMips16();
29 virtual void emitDirectiveSetNoMips16();
31 virtual void emitDirectiveSetReorder();
32 virtual void emitDirectiveSetNoReorder();
33 virtual void emitDirectiveSetMacro();
34 virtual void emitDirectiveSetNoMacro();
35 virtual void emitDirectiveSetAt();
36 virtual void emitDirectiveSetNoAt();
37 virtual void emitDirectiveEnd(StringRef Name);
39 virtual void emitDirectiveEnt(const MCSymbol &Symbol);
40 virtual void emitDirectiveAbiCalls();
41 virtual void emitDirectiveNaN2008();
42 virtual void emitDirectiveNaNLegacy();
43 virtual void emitDirectiveOptionPic0();
44 virtual void emitDirectiveOptionPic2();
45 virtual void emitFrame(unsigned StackReg, unsigned StackSize,
47 virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
48 virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
50 virtual void emitDirectiveSetMips32R2();
51 virtual void emitDirectiveSetMips64();
52 virtual void emitDirectiveSetMips64R2();
53 virtual void emitDirectiveSetDsp();
56 virtual void emitDirectiveCpload(unsigned RegNo);
57 virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
58 const MCSymbol &Sym, bool IsReg);
60 virtual void emitDirectiveModuleFP(Val_GNU_MIPS_ABI Value, bool Is32BitAbi) {
61 ABIFlagsSection.FpABI = Value;
63 virtual void emitDirectiveSetFp(Val_GNU_MIPS_ABI Value, bool Is32BitAbi){};
64 virtual void emitMipsAbiFlags(){};
65 void setCanHaveModuleDir(bool Can) { canHaveModuleDirective = Can; }
66 bool getCanHaveModuleDir() { return canHaveModuleDirective; }
68 // This method enables template classes to set internal abi flags
70 template <class PredicateLibrary>
71 void updateABIInfo(const PredicateLibrary &P) {
72 ABIFlagsSection.setAllFromPredicates(P);
75 MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
78 MipsABIFlagsSection ABIFlagsSection;
81 bool canHaveModuleDirective;
84 // This part is for ascii assembly output
85 class MipsTargetAsmStreamer : public MipsTargetStreamer {
86 formatted_raw_ostream &OS;
89 MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
90 void emitDirectiveSetMicroMips() override;
91 void emitDirectiveSetNoMicroMips() override;
92 void emitDirectiveSetMips16() override;
93 void emitDirectiveSetNoMips16() override;
95 void emitDirectiveSetReorder() override;
96 void emitDirectiveSetNoReorder() override;
97 void emitDirectiveSetMacro() override;
98 void emitDirectiveSetNoMacro() override;
99 void emitDirectiveSetAt() override;
100 void emitDirectiveSetNoAt() override;
101 void emitDirectiveEnd(StringRef Name) override;
103 void emitDirectiveEnt(const MCSymbol &Symbol) override;
104 void emitDirectiveAbiCalls() override;
105 void emitDirectiveNaN2008() override;
106 void emitDirectiveNaNLegacy() override;
107 void emitDirectiveOptionPic0() override;
108 void emitDirectiveOptionPic2() override;
109 void emitFrame(unsigned StackReg, unsigned StackSize,
110 unsigned ReturnReg) override;
111 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
112 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
114 void emitDirectiveSetMips32R2() override;
115 void emitDirectiveSetMips64() override;
116 void emitDirectiveSetMips64R2() override;
117 void emitDirectiveSetDsp() override;
120 virtual void emitDirectiveCpload(unsigned RegNo);
121 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
122 const MCSymbol &Sym, bool IsReg) override;
125 void emitDirectiveModuleFP(Val_GNU_MIPS_ABI Value, bool Is32BitAbi) override;
126 void emitDirectiveSetFp(Val_GNU_MIPS_ABI Value, bool Is32BitAbi) override;
127 void emitMipsAbiFlags() override;
130 // This part is for ELF object output
131 class MipsTargetELFStreamer : public MipsTargetStreamer {
132 bool MicroMipsEnabled;
133 const MCSubtargetInfo &STI;
137 bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
138 MCELFStreamer &getStreamer();
139 MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
141 void emitLabel(MCSymbol *Symbol) override;
142 void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
143 void finish() override;
145 void emitDirectiveSetMicroMips() override;
146 void emitDirectiveSetNoMicroMips() override;
147 void emitDirectiveSetMips16() override;
148 void emitDirectiveSetNoMips16() override;
150 void emitDirectiveSetReorder() override;
151 void emitDirectiveSetNoReorder() override;
152 void emitDirectiveSetMacro() override;
153 void emitDirectiveSetNoMacro() override;
154 void emitDirectiveSetAt() override;
155 void emitDirectiveSetNoAt() override;
156 void emitDirectiveEnd(StringRef Name) override;
158 void emitDirectiveEnt(const MCSymbol &Symbol) override;
159 void emitDirectiveAbiCalls() override;
160 void emitDirectiveNaN2008() override;
161 void emitDirectiveNaNLegacy() override;
162 void emitDirectiveOptionPic0() override;
163 void emitDirectiveOptionPic2() override;
164 void emitFrame(unsigned StackReg, unsigned StackSize,
165 unsigned ReturnReg) override;
166 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
167 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
169 void emitDirectiveSetMips32R2() override;
170 void emitDirectiveSetMips64() override;
171 void emitDirectiveSetMips64R2() override;
172 void emitDirectiveSetDsp() override;
175 virtual void emitDirectiveCpload(unsigned RegNo);
176 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
177 const MCSymbol &Sym, bool IsReg) override;
180 void emitMipsAbiFlags() override;
183 bool isO32() const { return STI.getFeatureBits() & Mips::FeatureO32; }
184 bool isN32() const { return STI.getFeatureBits() & Mips::FeatureN32; }
185 bool isN64() const { return STI.getFeatureBits() & Mips::FeatureN64; }