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 LLVM_LIB_TARGET_MIPS_MIPSTARGETSTREAMER_H
11 #define LLVM_LIB_TARGET_MIPS_MIPSTARGETSTREAMER_H
13 #include "llvm/MC/MCELFStreamer.h"
14 #include "llvm/MC/MCRegisterInfo.h"
15 #include "llvm/MC/MCStreamer.h"
16 #include "MCTargetDesc/MipsABIFlagsSection.h"
20 struct MipsABIFlagsSection;
22 class MipsTargetStreamer : public MCTargetStreamer {
24 MipsTargetStreamer(MCStreamer &S);
25 virtual void emitDirectiveSetMicroMips();
26 virtual void emitDirectiveSetNoMicroMips();
27 virtual void emitDirectiveSetMips16();
28 virtual void emitDirectiveSetNoMips16();
30 virtual void emitDirectiveSetReorder();
31 virtual void emitDirectiveSetNoReorder();
32 virtual void emitDirectiveSetMacro();
33 virtual void emitDirectiveSetNoMacro();
34 virtual void emitDirectiveSetMsa();
35 virtual void emitDirectiveSetNoMsa();
36 virtual void emitDirectiveSetAt();
37 virtual void emitDirectiveSetNoAt();
38 virtual void emitDirectiveEnd(StringRef Name);
40 virtual void emitDirectiveEnt(const MCSymbol &Symbol);
41 virtual void emitDirectiveAbiCalls();
42 virtual void emitDirectiveNaN2008();
43 virtual void emitDirectiveNaNLegacy();
44 virtual void emitDirectiveOptionPic0();
45 virtual void emitDirectiveOptionPic2();
46 virtual void emitFrame(unsigned StackReg, unsigned StackSize,
48 virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
49 virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
51 virtual void emitDirectiveSetArch(StringRef Arch);
52 virtual void emitDirectiveSetMips1();
53 virtual void emitDirectiveSetMips2();
54 virtual void emitDirectiveSetMips3();
55 virtual void emitDirectiveSetMips4();
56 virtual void emitDirectiveSetMips5();
57 virtual void emitDirectiveSetMips32();
58 virtual void emitDirectiveSetMips32R2();
59 virtual void emitDirectiveSetMips32R6();
60 virtual void emitDirectiveSetMips64();
61 virtual void emitDirectiveSetMips64R2();
62 virtual void emitDirectiveSetMips64R6();
63 virtual void emitDirectiveSetDsp();
66 virtual void emitDirectiveCpload(unsigned RegNo);
67 virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
68 const MCSymbol &Sym, bool IsReg);
70 /// Emit a '.module fp=value' directive using the given values.
71 /// Updates the .MIPS.abiflags section
72 virtual void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
74 ABIFlagsSection.setFpABI(Value, Is32BitABI);
77 /// Emit a '.module fp=value' directive using the current values of the
78 /// .MIPS.abiflags section.
79 void emitDirectiveModuleFP() {
80 emitDirectiveModuleFP(ABIFlagsSection.getFpABI(),
81 ABIFlagsSection.Is32BitABI);
84 virtual void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI);
85 virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value){};
86 virtual void emitMipsAbiFlags(){};
87 void forbidModuleDirective() { ModuleDirectiveAllowed = false; }
88 bool isModuleDirectiveAllowed() { return ModuleDirectiveAllowed; }
90 // This method enables template classes to set internal abi flags
92 template <class PredicateLibrary>
93 void updateABIInfo(const PredicateLibrary &P) {
94 ABIFlagsSection.setAllFromPredicates(P);
97 MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
100 MipsABIFlagsSection ABIFlagsSection;
116 bool ModuleDirectiveAllowed;
119 // This part is for ascii assembly output
120 class MipsTargetAsmStreamer : public MipsTargetStreamer {
121 formatted_raw_ostream &OS;
124 MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
125 void emitDirectiveSetMicroMips() override;
126 void emitDirectiveSetNoMicroMips() override;
127 void emitDirectiveSetMips16() override;
128 void emitDirectiveSetNoMips16() override;
130 void emitDirectiveSetReorder() override;
131 void emitDirectiveSetNoReorder() override;
132 void emitDirectiveSetMacro() override;
133 void emitDirectiveSetNoMacro() override;
134 void emitDirectiveSetMsa() override;
135 void emitDirectiveSetNoMsa() override;
136 void emitDirectiveSetAt() override;
137 void emitDirectiveSetNoAt() override;
138 void emitDirectiveEnd(StringRef Name) override;
140 void emitDirectiveEnt(const MCSymbol &Symbol) override;
141 void emitDirectiveAbiCalls() override;
142 void emitDirectiveNaN2008() override;
143 void emitDirectiveNaNLegacy() override;
144 void emitDirectiveOptionPic0() override;
145 void emitDirectiveOptionPic2() override;
146 void emitFrame(unsigned StackReg, unsigned StackSize,
147 unsigned ReturnReg) override;
148 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
149 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
151 void emitDirectiveSetArch(StringRef Arch) override;
152 void emitDirectiveSetMips1() override;
153 void emitDirectiveSetMips2() override;
154 void emitDirectiveSetMips3() override;
155 void emitDirectiveSetMips4() override;
156 void emitDirectiveSetMips5() override;
157 void emitDirectiveSetMips32() override;
158 void emitDirectiveSetMips32R2() override;
159 void emitDirectiveSetMips32R6() override;
160 void emitDirectiveSetMips64() override;
161 void emitDirectiveSetMips64R2() override;
162 void emitDirectiveSetMips64R6() override;
163 void emitDirectiveSetDsp() override;
166 void emitDirectiveCpload(unsigned RegNo) override;
167 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
168 const MCSymbol &Sym, bool IsReg) override;
171 void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
172 bool Is32BitABI) override;
173 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
174 void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
175 void emitMipsAbiFlags() override;
178 // This part is for ELF object output
179 class MipsTargetELFStreamer : public MipsTargetStreamer {
180 bool MicroMipsEnabled;
181 const MCSubtargetInfo &STI;
185 bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
186 MCELFStreamer &getStreamer();
187 MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
189 void emitLabel(MCSymbol *Symbol) override;
190 void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
191 void finish() override;
193 void emitDirectiveSetMicroMips() override;
194 void emitDirectiveSetNoMicroMips() override;
195 void emitDirectiveSetMips16() override;
197 void emitDirectiveSetNoReorder() override;
198 void emitDirectiveEnd(StringRef Name) override;
200 void emitDirectiveEnt(const MCSymbol &Symbol) override;
201 void emitDirectiveAbiCalls() override;
202 void emitDirectiveNaN2008() override;
203 void emitDirectiveNaNLegacy() override;
204 void emitDirectiveOptionPic0() override;
205 void emitDirectiveOptionPic2() override;
206 void emitFrame(unsigned StackReg, unsigned StackSize,
207 unsigned ReturnReg) override;
208 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
209 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
212 void emitDirectiveCpload(unsigned RegNo) override;
213 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
214 const MCSymbol &Sym, bool IsReg) override;
217 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
218 void emitMipsAbiFlags() override;
221 bool isO32() const { return STI.getFeatureBits() & Mips::FeatureO32; }
222 bool isN32() const { return STI.getFeatureBits() & Mips::FeatureN32; }
223 bool isN64() const { return STI.getFeatureBits() & Mips::FeatureN64; }