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/MC/MCELFStreamer.h"
16 #include "llvm/MC/MCRegisterInfo.h"
17 #include "llvm/MC/MCStreamer.h"
21 struct MipsABIFlagsSection;
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 emitDirectiveSetMsa();
36 virtual void emitDirectiveSetNoMsa();
37 virtual void emitDirectiveSetAt();
38 virtual void emitDirectiveSetNoAt();
39 virtual void emitDirectiveEnd(StringRef Name);
41 virtual void emitDirectiveEnt(const MCSymbol &Symbol);
42 virtual void emitDirectiveAbiCalls();
43 virtual void emitDirectiveNaN2008();
44 virtual void emitDirectiveNaNLegacy();
45 virtual void emitDirectiveOptionPic0();
46 virtual void emitDirectiveOptionPic2();
47 virtual void emitFrame(unsigned StackReg, unsigned StackSize,
49 virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
50 virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
52 virtual void emitDirectiveSetArch(StringRef Arch);
53 virtual void emitDirectiveSetMips0();
54 virtual void emitDirectiveSetMips1();
55 virtual void emitDirectiveSetMips2();
56 virtual void emitDirectiveSetMips3();
57 virtual void emitDirectiveSetMips4();
58 virtual void emitDirectiveSetMips5();
59 virtual void emitDirectiveSetMips32();
60 virtual void emitDirectiveSetMips32R2();
61 virtual void emitDirectiveSetMips32R6();
62 virtual void emitDirectiveSetMips64();
63 virtual void emitDirectiveSetMips64R2();
64 virtual void emitDirectiveSetMips64R6();
65 virtual void emitDirectiveSetDsp();
66 virtual void emitDirectiveSetNoDsp();
67 virtual void emitDirectiveSetPop();
68 virtual void emitDirectiveSetPush();
71 virtual void emitDirectiveCpLoad(unsigned RegNo);
72 virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
73 const MCSymbol &Sym, bool IsReg);
75 /// Emit a '.module fp=value' directive using the given values.
76 /// Updates the .MIPS.abiflags section
77 virtual void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
79 ABIFlagsSection.setFpABI(Value, Is32BitABI);
82 /// Emit a '.module fp=value' directive using the current values of the
83 /// .MIPS.abiflags section.
84 void emitDirectiveModuleFP() {
85 emitDirectiveModuleFP(ABIFlagsSection.getFpABI(),
86 ABIFlagsSection.Is32BitABI);
89 virtual void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI);
90 virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value){};
91 virtual void emitMipsAbiFlags(){};
92 void forbidModuleDirective() { ModuleDirectiveAllowed = false; }
93 bool isModuleDirectiveAllowed() { return ModuleDirectiveAllowed; }
95 // This method enables template classes to set internal abi flags
97 template <class PredicateLibrary>
98 void updateABIInfo(const PredicateLibrary &P) {
100 ABIFlagsSection.setAllFromPredicates(P);
103 MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
104 const MipsABIInfo &getABI() const {
105 assert(ABI && "ABI hasn't been set!");
110 const MipsABIInfo *ABI;
111 MipsABIFlagsSection ABIFlagsSection;
127 bool ModuleDirectiveAllowed;
130 // This part is for ascii assembly output
131 class MipsTargetAsmStreamer : public MipsTargetStreamer {
132 formatted_raw_ostream &OS;
135 MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
136 void emitDirectiveSetMicroMips() override;
137 void emitDirectiveSetNoMicroMips() override;
138 void emitDirectiveSetMips16() override;
139 void emitDirectiveSetNoMips16() override;
141 void emitDirectiveSetReorder() override;
142 void emitDirectiveSetNoReorder() override;
143 void emitDirectiveSetMacro() override;
144 void emitDirectiveSetNoMacro() override;
145 void emitDirectiveSetMsa() override;
146 void emitDirectiveSetNoMsa() override;
147 void emitDirectiveSetAt() override;
148 void emitDirectiveSetNoAt() override;
149 void emitDirectiveEnd(StringRef Name) override;
151 void emitDirectiveEnt(const MCSymbol &Symbol) override;
152 void emitDirectiveAbiCalls() override;
153 void emitDirectiveNaN2008() override;
154 void emitDirectiveNaNLegacy() override;
155 void emitDirectiveOptionPic0() override;
156 void emitDirectiveOptionPic2() override;
157 void emitFrame(unsigned StackReg, unsigned StackSize,
158 unsigned ReturnReg) override;
159 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
160 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
162 void emitDirectiveSetArch(StringRef Arch) override;
163 void emitDirectiveSetMips0() override;
164 void emitDirectiveSetMips1() override;
165 void emitDirectiveSetMips2() override;
166 void emitDirectiveSetMips3() override;
167 void emitDirectiveSetMips4() override;
168 void emitDirectiveSetMips5() override;
169 void emitDirectiveSetMips32() override;
170 void emitDirectiveSetMips32R2() override;
171 void emitDirectiveSetMips32R6() override;
172 void emitDirectiveSetMips64() override;
173 void emitDirectiveSetMips64R2() override;
174 void emitDirectiveSetMips64R6() override;
175 void emitDirectiveSetDsp() override;
176 void emitDirectiveSetNoDsp() override;
177 void emitDirectiveSetPop() override;
178 void emitDirectiveSetPush() override;
181 void emitDirectiveCpLoad(unsigned RegNo) override;
182 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
183 const MCSymbol &Sym, bool IsReg) override;
186 void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
187 bool Is32BitABI) override;
188 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
189 void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
190 void emitMipsAbiFlags() override;
193 // This part is for ELF object output
194 class MipsTargetELFStreamer : public MipsTargetStreamer {
195 bool MicroMipsEnabled;
196 const MCSubtargetInfo &STI;
200 bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
201 MCELFStreamer &getStreamer();
202 MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
204 void emitLabel(MCSymbol *Symbol) override;
205 void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
206 void finish() override;
208 void emitDirectiveSetMicroMips() override;
209 void emitDirectiveSetNoMicroMips() override;
210 void emitDirectiveSetMips16() override;
212 void emitDirectiveSetNoReorder() override;
213 void emitDirectiveEnd(StringRef Name) override;
215 void emitDirectiveEnt(const MCSymbol &Symbol) override;
216 void emitDirectiveAbiCalls() override;
217 void emitDirectiveNaN2008() override;
218 void emitDirectiveNaNLegacy() override;
219 void emitDirectiveOptionPic0() override;
220 void emitDirectiveOptionPic2() override;
221 void emitFrame(unsigned StackReg, unsigned StackSize,
222 unsigned ReturnReg) override;
223 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
224 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
227 void emitDirectiveCpLoad(unsigned RegNo) override;
228 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
229 const MCSymbol &Sym, bool IsReg) override;
232 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
233 void emitMipsAbiFlags() override;