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/ADT/STLExtras.h"
17 #include "llvm/MC/MCELFStreamer.h"
18 #include "llvm/MC/MCRegisterInfo.h"
19 #include "llvm/MC/MCStreamer.h"
23 struct MipsABIFlagsSection;
25 class MipsTargetStreamer : public MCTargetStreamer {
27 MipsTargetStreamer(MCStreamer &S);
29 virtual void setPic(bool Value) {}
31 virtual void emitDirectiveSetMicroMips();
32 virtual void emitDirectiveSetNoMicroMips();
33 virtual void setUsesMicroMips();
34 virtual void emitDirectiveSetMips16();
35 virtual void emitDirectiveSetNoMips16();
37 virtual void emitDirectiveSetReorder();
38 virtual void emitDirectiveSetNoReorder();
39 virtual void emitDirectiveSetMacro();
40 virtual void emitDirectiveSetNoMacro();
41 virtual void emitDirectiveSetMsa();
42 virtual void emitDirectiveSetNoMsa();
43 virtual void emitDirectiveSetMt();
44 virtual void emitDirectiveSetNoMt();
45 virtual void emitDirectiveSetAt();
46 virtual void emitDirectiveSetAtWithArg(unsigned RegNo);
47 virtual void emitDirectiveSetNoAt();
48 virtual void emitDirectiveEnd(StringRef Name);
50 virtual void emitDirectiveEnt(const MCSymbol &Symbol);
51 virtual void emitDirectiveAbiCalls();
52 virtual void emitDirectiveNaN2008();
53 virtual void emitDirectiveNaNLegacy();
54 virtual void emitDirectiveOptionPic0();
55 virtual void emitDirectiveOptionPic2();
56 virtual void emitDirectiveInsn();
57 virtual void emitFrame(unsigned StackReg, unsigned StackSize,
59 virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
60 virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
62 virtual void emitDirectiveSetArch(StringRef Arch);
63 virtual void emitDirectiveSetMips0();
64 virtual void emitDirectiveSetMips1();
65 virtual void emitDirectiveSetMips2();
66 virtual void emitDirectiveSetMips3();
67 virtual void emitDirectiveSetMips4();
68 virtual void emitDirectiveSetMips5();
69 virtual void emitDirectiveSetMips32();
70 virtual void emitDirectiveSetMips32R2();
71 virtual void emitDirectiveSetMips32R3();
72 virtual void emitDirectiveSetMips32R5();
73 virtual void emitDirectiveSetMips32R6();
74 virtual void emitDirectiveSetMips64();
75 virtual void emitDirectiveSetMips64R2();
76 virtual void emitDirectiveSetMips64R3();
77 virtual void emitDirectiveSetMips64R5();
78 virtual void emitDirectiveSetMips64R6();
79 virtual void emitDirectiveSetDsp();
80 virtual void emitDirectiveSetNoDsp();
81 virtual void emitDirectiveSetPop();
82 virtual void emitDirectiveSetPush();
83 virtual void emitDirectiveSetSoftFloat();
84 virtual void emitDirectiveSetHardFloat();
87 virtual void emitDirectiveCpLoad(unsigned RegNo);
88 virtual bool emitDirectiveCpRestore(int Offset,
89 function_ref<unsigned()> GetATReg,
90 SMLoc IDLoc, const MCSubtargetInfo *STI);
91 virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
92 const MCSymbol &Sym, bool IsReg);
93 virtual void emitDirectiveCpreturn(unsigned SaveLocation,
94 bool SaveLocationIsRegister);
96 // FP abiflags directives
97 virtual void emitDirectiveModuleFP();
98 virtual void emitDirectiveModuleOddSPReg();
99 virtual void emitDirectiveModuleSoftFloat();
100 virtual void emitDirectiveModuleHardFloat();
101 virtual void emitDirectiveModuleMT();
102 virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value);
103 virtual void emitDirectiveSetOddSPReg();
104 virtual void emitDirectiveSetNoOddSPReg();
106 void emitR(unsigned Opcode, unsigned Reg0, SMLoc IDLoc,
107 const MCSubtargetInfo *STI);
108 void emitII(unsigned Opcode, int16_t Imm1, int16_t Imm2, SMLoc IDLoc,
109 const MCSubtargetInfo *STI);
110 void emitRX(unsigned Opcode, unsigned Reg0, MCOperand Op1, SMLoc IDLoc,
111 const MCSubtargetInfo *STI);
112 void emitRI(unsigned Opcode, unsigned Reg0, int32_t Imm, SMLoc IDLoc,
113 const MCSubtargetInfo *STI);
114 void emitRR(unsigned Opcode, unsigned Reg0, unsigned Reg1, SMLoc IDLoc,
115 const MCSubtargetInfo *STI);
116 void emitRRX(unsigned Opcode, unsigned Reg0, unsigned Reg1, MCOperand Op2,
117 SMLoc IDLoc, const MCSubtargetInfo *STI);
118 void emitRRR(unsigned Opcode, unsigned Reg0, unsigned Reg1, unsigned Reg2,
119 SMLoc IDLoc, const MCSubtargetInfo *STI);
120 void emitRRI(unsigned Opcode, unsigned Reg0, unsigned Reg1, int16_t Imm,
121 SMLoc IDLoc, const MCSubtargetInfo *STI);
122 void emitAddu(unsigned DstReg, unsigned SrcReg, unsigned TrgReg, bool Is64Bit,
123 const MCSubtargetInfo *STI);
124 void emitDSLL(unsigned DstReg, unsigned SrcReg, int16_t ShiftAmount,
125 SMLoc IDLoc, const MCSubtargetInfo *STI);
126 void emitEmptyDelaySlot(bool hasShortDelaySlot, SMLoc IDLoc,
127 const MCSubtargetInfo *STI);
128 void emitNop(SMLoc IDLoc, const MCSubtargetInfo *STI);
130 /// Emit a store instruction with an offset. If the offset is out of range
131 /// then it will be synthesized using the assembler temporary.
133 /// GetATReg() is a callback that can be used to obtain the current assembler
134 /// temporary and is only called when the assembler temporary is required. It
135 /// must handle the case where no assembler temporary is available (typically
136 /// by reporting an error).
137 void emitStoreWithImmOffset(unsigned Opcode, unsigned SrcReg,
138 unsigned BaseReg, int64_t Offset,
139 function_ref<unsigned()> GetATReg, SMLoc IDLoc,
140 const MCSubtargetInfo *STI);
141 void emitStoreWithSymOffset(unsigned Opcode, unsigned SrcReg,
142 unsigned BaseReg, MCOperand &HiOperand,
143 MCOperand &LoOperand, unsigned ATReg, SMLoc IDLoc,
144 const MCSubtargetInfo *STI);
145 void emitLoadWithImmOffset(unsigned Opcode, unsigned DstReg, unsigned BaseReg,
146 int64_t Offset, unsigned TmpReg, SMLoc IDLoc,
147 const MCSubtargetInfo *STI);
148 void emitLoadWithSymOffset(unsigned Opcode, unsigned DstReg, unsigned BaseReg,
149 MCOperand &HiOperand, MCOperand &LoOperand,
150 unsigned ATReg, SMLoc IDLoc,
151 const MCSubtargetInfo *STI);
152 void emitGPRestore(int Offset, SMLoc IDLoc, const MCSubtargetInfo *STI);
154 void forbidModuleDirective() { ModuleDirectiveAllowed = false; }
155 void reallowModuleDirective() { ModuleDirectiveAllowed = true; }
156 bool isModuleDirectiveAllowed() { return ModuleDirectiveAllowed; }
158 // This method enables template classes to set internal abi flags
160 template <class PredicateLibrary>
161 void updateABIInfo(const PredicateLibrary &P) {
163 ABIFlagsSection.setAllFromPredicates(P);
166 MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
167 const MipsABIInfo &getABI() const {
168 assert(ABI.hasValue() && "ABI hasn't been set!");
173 llvm::Optional<MipsABIInfo> ABI;
174 MipsABIFlagsSection ABIFlagsSection;
190 bool ModuleDirectiveAllowed;
193 // This part is for ascii assembly output
194 class MipsTargetAsmStreamer : public MipsTargetStreamer {
195 formatted_raw_ostream &OS;
198 MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
199 void emitDirectiveSetMicroMips() override;
200 void emitDirectiveSetNoMicroMips() override;
201 void emitDirectiveSetMips16() override;
202 void emitDirectiveSetNoMips16() override;
204 void emitDirectiveSetReorder() override;
205 void emitDirectiveSetNoReorder() override;
206 void emitDirectiveSetMacro() override;
207 void emitDirectiveSetNoMacro() override;
208 void emitDirectiveSetMsa() override;
209 void emitDirectiveSetNoMsa() override;
210 void emitDirectiveSetMt() override;
211 void emitDirectiveSetNoMt() override;
212 void emitDirectiveSetAt() override;
213 void emitDirectiveSetAtWithArg(unsigned RegNo) override;
214 void emitDirectiveSetNoAt() override;
215 void emitDirectiveEnd(StringRef Name) override;
217 void emitDirectiveEnt(const MCSymbol &Symbol) override;
218 void emitDirectiveAbiCalls() override;
219 void emitDirectiveNaN2008() override;
220 void emitDirectiveNaNLegacy() override;
221 void emitDirectiveOptionPic0() override;
222 void emitDirectiveOptionPic2() override;
223 void emitDirectiveInsn() override;
224 void emitFrame(unsigned StackReg, unsigned StackSize,
225 unsigned ReturnReg) override;
226 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
227 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
229 void emitDirectiveSetArch(StringRef Arch) override;
230 void emitDirectiveSetMips0() override;
231 void emitDirectiveSetMips1() override;
232 void emitDirectiveSetMips2() override;
233 void emitDirectiveSetMips3() override;
234 void emitDirectiveSetMips4() override;
235 void emitDirectiveSetMips5() override;
236 void emitDirectiveSetMips32() override;
237 void emitDirectiveSetMips32R2() override;
238 void emitDirectiveSetMips32R3() override;
239 void emitDirectiveSetMips32R5() override;
240 void emitDirectiveSetMips32R6() override;
241 void emitDirectiveSetMips64() override;
242 void emitDirectiveSetMips64R2() override;
243 void emitDirectiveSetMips64R3() override;
244 void emitDirectiveSetMips64R5() override;
245 void emitDirectiveSetMips64R6() override;
246 void emitDirectiveSetDsp() override;
247 void emitDirectiveSetNoDsp() override;
248 void emitDirectiveSetPop() override;
249 void emitDirectiveSetPush() override;
250 void emitDirectiveSetSoftFloat() override;
251 void emitDirectiveSetHardFloat() override;
254 void emitDirectiveCpLoad(unsigned RegNo) override;
256 /// Emit a .cprestore directive. If the offset is out of range then it will
257 /// be synthesized using the assembler temporary.
259 /// GetATReg() is a callback that can be used to obtain the current assembler
260 /// temporary and is only called when the assembler temporary is required. It
261 /// must handle the case where no assembler temporary is available (typically
262 /// by reporting an error).
263 bool emitDirectiveCpRestore(int Offset, function_ref<unsigned()> GetATReg,
264 SMLoc IDLoc, const MCSubtargetInfo *STI) override;
265 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
266 const MCSymbol &Sym, bool IsReg) override;
267 void emitDirectiveCpreturn(unsigned SaveLocation,
268 bool SaveLocationIsRegister) override;
270 // FP abiflags directives
271 void emitDirectiveModuleFP() override;
272 void emitDirectiveModuleOddSPReg() override;
273 void emitDirectiveModuleSoftFloat() override;
274 void emitDirectiveModuleHardFloat() override;
275 void emitDirectiveModuleMT() override;
276 void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
277 void emitDirectiveSetOddSPReg() override;
278 void emitDirectiveSetNoOddSPReg() override;
281 // This part is for ELF object output
282 class MipsTargetELFStreamer : public MipsTargetStreamer {
283 bool MicroMipsEnabled;
284 const MCSubtargetInfo &STI;
288 bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
289 MCELFStreamer &getStreamer();
290 MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
292 void setPic(bool Value) override { Pic = Value; }
294 void emitLabel(MCSymbol *Symbol) override;
295 void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
296 void finish() override;
298 void emitDirectiveSetMicroMips() override;
299 void emitDirectiveSetNoMicroMips() override;
300 void setUsesMicroMips() override;
301 void emitDirectiveSetMips16() override;
303 void emitDirectiveSetNoReorder() override;
304 void emitDirectiveEnd(StringRef Name) override;
306 void emitDirectiveEnt(const MCSymbol &Symbol) override;
307 void emitDirectiveAbiCalls() override;
308 void emitDirectiveNaN2008() override;
309 void emitDirectiveNaNLegacy() override;
310 void emitDirectiveOptionPic0() override;
311 void emitDirectiveOptionPic2() override;
312 void emitDirectiveInsn() override;
313 void emitFrame(unsigned StackReg, unsigned StackSize,
314 unsigned ReturnReg) override;
315 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
316 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
319 void emitDirectiveCpLoad(unsigned RegNo) override;
320 bool emitDirectiveCpRestore(int Offset, function_ref<unsigned()> GetATReg,
321 SMLoc IDLoc, const MCSubtargetInfo *STI) override;
322 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
323 const MCSymbol &Sym, bool IsReg) override;
324 void emitDirectiveCpreturn(unsigned SaveLocation,
325 bool SaveLocationIsRegister) override;
327 void emitMipsAbiFlags();