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 "MCTargetDesc/MipsABIFlagsSection.h"
14 #include "MCTargetDesc/MipsABIInfo.h"
15 #include "llvm/ADT/Optional.h"
16 #include "llvm/MC/MCELFStreamer.h"
17 #include "llvm/MC/MCRegisterInfo.h"
18 #include "llvm/MC/MCStreamer.h"
22 struct MipsABIFlagsSection;
24 class MipsTargetStreamer : public MCTargetStreamer {
26 MipsTargetStreamer(MCStreamer &S);
27 virtual void emitDirectiveSetMicroMips();
28 virtual void emitDirectiveSetNoMicroMips();
29 virtual void emitDirectiveSetMips16();
30 virtual void emitDirectiveSetNoMips16();
32 virtual void emitDirectiveSetReorder();
33 virtual void emitDirectiveSetNoReorder();
34 virtual void emitDirectiveSetMacro();
35 virtual void emitDirectiveSetNoMacro();
36 virtual void emitDirectiveSetMsa();
37 virtual void emitDirectiveSetNoMsa();
38 virtual void emitDirectiveSetAt();
39 virtual void emitDirectiveSetAtWithArg(unsigned RegNo);
40 virtual void emitDirectiveSetNoAt();
41 virtual void emitDirectiveEnd(StringRef Name);
43 virtual void emitDirectiveEnt(const MCSymbol &Symbol);
44 virtual void emitDirectiveAbiCalls();
45 virtual void emitDirectiveNaN2008();
46 virtual void emitDirectiveNaNLegacy();
47 virtual void emitDirectiveOptionPic0();
48 virtual void emitDirectiveOptionPic2();
49 virtual void emitDirectiveInsn();
50 virtual void emitFrame(unsigned StackReg, unsigned StackSize,
52 virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
53 virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
55 virtual void emitDirectiveSetArch(StringRef Arch);
56 virtual void emitDirectiveSetMips0();
57 virtual void emitDirectiveSetMips1();
58 virtual void emitDirectiveSetMips2();
59 virtual void emitDirectiveSetMips3();
60 virtual void emitDirectiveSetMips4();
61 virtual void emitDirectiveSetMips5();
62 virtual void emitDirectiveSetMips32();
63 virtual void emitDirectiveSetMips32R2();
64 virtual void emitDirectiveSetMips32R3();
65 virtual void emitDirectiveSetMips32R5();
66 virtual void emitDirectiveSetMips32R6();
67 virtual void emitDirectiveSetMips64();
68 virtual void emitDirectiveSetMips64R2();
69 virtual void emitDirectiveSetMips64R3();
70 virtual void emitDirectiveSetMips64R5();
71 virtual void emitDirectiveSetMips64R6();
72 virtual void emitDirectiveSetDsp();
73 virtual void emitDirectiveSetNoDsp();
74 virtual void emitDirectiveSetPop();
75 virtual void emitDirectiveSetPush();
76 virtual void emitDirectiveSetSoftFloat();
77 virtual void emitDirectiveSetHardFloat();
80 virtual void emitDirectiveCpLoad(unsigned RegNo);
81 virtual void emitDirectiveCpRestore(SmallVector<MCInst, 3> &StoreInsts,
83 virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
84 const MCSymbol &Sym, bool IsReg);
85 virtual void emitDirectiveCpreturn(unsigned SaveLocation,
86 bool SaveLocationIsRegister);
88 // FP abiflags directives
89 virtual void emitDirectiveModuleFP();
90 virtual void emitDirectiveModuleOddSPReg();
91 virtual void emitDirectiveModuleSoftFloat();
92 virtual void emitDirectiveModuleHardFloat();
93 virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value);
94 virtual void emitDirectiveSetOddSPReg();
95 virtual void emitDirectiveSetNoOddSPReg();
97 void forbidModuleDirective() { ModuleDirectiveAllowed = false; }
98 void reallowModuleDirective() { ModuleDirectiveAllowed = true; }
99 bool isModuleDirectiveAllowed() { return ModuleDirectiveAllowed; }
101 // This method enables template classes to set internal abi flags
103 template <class PredicateLibrary>
104 void updateABIInfo(const PredicateLibrary &P) {
106 ABIFlagsSection.setAllFromPredicates(P);
109 MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
110 const MipsABIInfo &getABI() const {
111 assert(ABI.hasValue() && "ABI hasn't been set!");
116 llvm::Optional<MipsABIInfo> ABI;
117 MipsABIFlagsSection ABIFlagsSection;
133 bool ModuleDirectiveAllowed;
136 // This part is for ascii assembly output
137 class MipsTargetAsmStreamer : public MipsTargetStreamer {
138 formatted_raw_ostream &OS;
141 MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
142 void emitDirectiveSetMicroMips() override;
143 void emitDirectiveSetNoMicroMips() override;
144 void emitDirectiveSetMips16() override;
145 void emitDirectiveSetNoMips16() override;
147 void emitDirectiveSetReorder() override;
148 void emitDirectiveSetNoReorder() override;
149 void emitDirectiveSetMacro() override;
150 void emitDirectiveSetNoMacro() override;
151 void emitDirectiveSetMsa() override;
152 void emitDirectiveSetNoMsa() override;
153 void emitDirectiveSetAt() override;
154 void emitDirectiveSetAtWithArg(unsigned RegNo) 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 emitDirectiveInsn() override;
165 void emitFrame(unsigned StackReg, unsigned StackSize,
166 unsigned ReturnReg) override;
167 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
168 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
170 void emitDirectiveSetArch(StringRef Arch) override;
171 void emitDirectiveSetMips0() override;
172 void emitDirectiveSetMips1() override;
173 void emitDirectiveSetMips2() override;
174 void emitDirectiveSetMips3() override;
175 void emitDirectiveSetMips4() override;
176 void emitDirectiveSetMips5() override;
177 void emitDirectiveSetMips32() override;
178 void emitDirectiveSetMips32R2() override;
179 void emitDirectiveSetMips32R3() override;
180 void emitDirectiveSetMips32R5() override;
181 void emitDirectiveSetMips32R6() override;
182 void emitDirectiveSetMips64() override;
183 void emitDirectiveSetMips64R2() override;
184 void emitDirectiveSetMips64R3() override;
185 void emitDirectiveSetMips64R5() override;
186 void emitDirectiveSetMips64R6() override;
187 void emitDirectiveSetDsp() override;
188 void emitDirectiveSetNoDsp() override;
189 void emitDirectiveSetPop() override;
190 void emitDirectiveSetPush() override;
191 void emitDirectiveSetSoftFloat() override;
192 void emitDirectiveSetHardFloat() override;
195 void emitDirectiveCpLoad(unsigned RegNo) override;
196 void emitDirectiveCpRestore(SmallVector<MCInst, 3> &StoreInsts,
197 int Offset) override;
198 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
199 const MCSymbol &Sym, bool IsReg) override;
200 void emitDirectiveCpreturn(unsigned SaveLocation,
201 bool SaveLocationIsRegister) override;
203 // FP abiflags directives
204 void emitDirectiveModuleFP() override;
205 void emitDirectiveModuleOddSPReg() override;
206 void emitDirectiveModuleSoftFloat() override;
207 void emitDirectiveModuleHardFloat() override;
208 void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
209 void emitDirectiveSetOddSPReg() override;
210 void emitDirectiveSetNoOddSPReg() override;
213 // This part is for ELF object output
214 class MipsTargetELFStreamer : public MipsTargetStreamer {
215 bool MicroMipsEnabled;
216 const MCSubtargetInfo &STI;
220 bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
221 MCELFStreamer &getStreamer();
222 MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
224 void emitLabel(MCSymbol *Symbol) override;
225 void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
226 void finish() override;
228 void emitDirectiveSetMicroMips() override;
229 void emitDirectiveSetNoMicroMips() override;
230 void emitDirectiveSetMips16() override;
232 void emitDirectiveSetNoReorder() override;
233 void emitDirectiveEnd(StringRef Name) override;
235 void emitDirectiveEnt(const MCSymbol &Symbol) override;
236 void emitDirectiveAbiCalls() override;
237 void emitDirectiveNaN2008() override;
238 void emitDirectiveNaNLegacy() override;
239 void emitDirectiveOptionPic0() override;
240 void emitDirectiveOptionPic2() override;
241 void emitDirectiveInsn() override;
242 void emitFrame(unsigned StackReg, unsigned StackSize,
243 unsigned ReturnReg) override;
244 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
245 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
248 void emitDirectiveCpLoad(unsigned RegNo) override;
249 void emitDirectiveCpRestore(SmallVector<MCInst, 3> &StoreInsts,
250 int Offset) override;
251 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
252 const MCSymbol &Sym, bool IsReg) override;
253 void emitDirectiveCpreturn(unsigned SaveLocation,
254 bool SaveLocationIsRegister) override;
256 void emitMipsAbiFlags();