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 emitDirectiveSetAtWithArg(unsigned RegNo);
39 virtual void emitDirectiveSetNoAt();
40 virtual void emitDirectiveEnd(StringRef Name);
42 virtual void emitDirectiveEnt(const MCSymbol &Symbol);
43 virtual void emitDirectiveAbiCalls();
44 virtual void emitDirectiveNaN2008();
45 virtual void emitDirectiveNaNLegacy();
46 virtual void emitDirectiveOptionPic0();
47 virtual void emitDirectiveOptionPic2();
48 virtual void emitDirectiveInsn();
49 virtual void emitFrame(unsigned StackReg, unsigned StackSize,
51 virtual void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff);
52 virtual void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff);
54 virtual void emitDirectiveSetArch(StringRef Arch);
55 virtual void emitDirectiveSetMips0();
56 virtual void emitDirectiveSetMips1();
57 virtual void emitDirectiveSetMips2();
58 virtual void emitDirectiveSetMips3();
59 virtual void emitDirectiveSetMips4();
60 virtual void emitDirectiveSetMips5();
61 virtual void emitDirectiveSetMips32();
62 virtual void emitDirectiveSetMips32R2();
63 virtual void emitDirectiveSetMips32R3();
64 virtual void emitDirectiveSetMips32R5();
65 virtual void emitDirectiveSetMips32R6();
66 virtual void emitDirectiveSetMips64();
67 virtual void emitDirectiveSetMips64R2();
68 virtual void emitDirectiveSetMips64R3();
69 virtual void emitDirectiveSetMips64R5();
70 virtual void emitDirectiveSetMips64R6();
71 virtual void emitDirectiveSetDsp();
72 virtual void emitDirectiveSetNoDsp();
73 virtual void emitDirectiveSetPop();
74 virtual void emitDirectiveSetPush();
75 virtual void emitDirectiveSetSoftFloat();
76 virtual void emitDirectiveSetHardFloat();
79 virtual void emitDirectiveCpLoad(unsigned RegNo);
80 virtual void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
81 const MCSymbol &Sym, bool IsReg);
83 /// Emit a '.module fp=value' directive using the given values.
84 /// Updates the .MIPS.abiflags section
85 virtual void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
87 ABIFlagsSection.setFpABI(Value, Is32BitABI);
90 /// Emit a '.module fp=value' directive using the current values of the
91 /// .MIPS.abiflags section.
92 void emitDirectiveModuleFP() {
93 emitDirectiveModuleFP(ABIFlagsSection.getFpABI(),
94 ABIFlagsSection.Is32BitABI);
97 virtual void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI);
98 virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value);
99 void forbidModuleDirective() { ModuleDirectiveAllowed = false; }
100 void reallowModuleDirective() { ModuleDirectiveAllowed = true; }
101 bool isModuleDirectiveAllowed() { return ModuleDirectiveAllowed; }
103 // This method enables template classes to set internal abi flags
105 template <class PredicateLibrary>
106 void updateABIInfo(const PredicateLibrary &P) {
108 ABIFlagsSection.setAllFromPredicates(P);
111 MipsABIFlagsSection &getABIFlagsSection() { return ABIFlagsSection; }
112 const MipsABIInfo &getABI() const {
113 assert(ABI && "ABI hasn't been set!");
118 const MipsABIInfo *ABI;
119 MipsABIFlagsSection ABIFlagsSection;
135 bool ModuleDirectiveAllowed;
138 // This part is for ascii assembly output
139 class MipsTargetAsmStreamer : public MipsTargetStreamer {
140 formatted_raw_ostream &OS;
143 MipsTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
144 void emitDirectiveSetMicroMips() override;
145 void emitDirectiveSetNoMicroMips() override;
146 void emitDirectiveSetMips16() override;
147 void emitDirectiveSetNoMips16() override;
149 void emitDirectiveSetReorder() override;
150 void emitDirectiveSetNoReorder() override;
151 void emitDirectiveSetMacro() override;
152 void emitDirectiveSetNoMacro() override;
153 void emitDirectiveSetMsa() override;
154 void emitDirectiveSetNoMsa() override;
155 void emitDirectiveSetAt() override;
156 void emitDirectiveSetAtWithArg(unsigned RegNo) override;
157 void emitDirectiveSetNoAt() override;
158 void emitDirectiveEnd(StringRef Name) override;
160 void emitDirectiveEnt(const MCSymbol &Symbol) override;
161 void emitDirectiveAbiCalls() override;
162 void emitDirectiveNaN2008() override;
163 void emitDirectiveNaNLegacy() override;
164 void emitDirectiveOptionPic0() override;
165 void emitDirectiveOptionPic2() override;
166 void emitDirectiveInsn() override;
167 void emitFrame(unsigned StackReg, unsigned StackSize,
168 unsigned ReturnReg) override;
169 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
170 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
172 void emitDirectiveSetArch(StringRef Arch) override;
173 void emitDirectiveSetMips0() override;
174 void emitDirectiveSetMips1() override;
175 void emitDirectiveSetMips2() override;
176 void emitDirectiveSetMips3() override;
177 void emitDirectiveSetMips4() override;
178 void emitDirectiveSetMips5() override;
179 void emitDirectiveSetMips32() override;
180 void emitDirectiveSetMips32R2() override;
181 void emitDirectiveSetMips32R3() override;
182 void emitDirectiveSetMips32R5() override;
183 void emitDirectiveSetMips32R6() override;
184 void emitDirectiveSetMips64() override;
185 void emitDirectiveSetMips64R2() override;
186 void emitDirectiveSetMips64R3() override;
187 void emitDirectiveSetMips64R5() override;
188 void emitDirectiveSetMips64R6() override;
189 void emitDirectiveSetDsp() override;
190 void emitDirectiveSetNoDsp() override;
191 void emitDirectiveSetPop() override;
192 void emitDirectiveSetPush() override;
193 void emitDirectiveSetSoftFloat() override;
194 void emitDirectiveSetHardFloat() override;
197 void emitDirectiveCpLoad(unsigned RegNo) override;
198 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
199 const MCSymbol &Sym, bool IsReg) override;
202 void emitDirectiveModuleFP(MipsABIFlagsSection::FpABIKind Value,
203 bool Is32BitABI) override;
204 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
205 void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
208 // This part is for ELF object output
209 class MipsTargetELFStreamer : public MipsTargetStreamer {
210 bool MicroMipsEnabled;
211 const MCSubtargetInfo &STI;
215 bool isMicroMipsEnabled() const { return MicroMipsEnabled; }
216 MCELFStreamer &getStreamer();
217 MipsTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
219 void emitLabel(MCSymbol *Symbol) override;
220 void emitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
221 void finish() override;
223 void emitDirectiveSetMicroMips() override;
224 void emitDirectiveSetNoMicroMips() override;
225 void emitDirectiveSetMips16() override;
227 void emitDirectiveSetNoReorder() override;
228 void emitDirectiveEnd(StringRef Name) override;
230 void emitDirectiveEnt(const MCSymbol &Symbol) override;
231 void emitDirectiveAbiCalls() override;
232 void emitDirectiveNaN2008() override;
233 void emitDirectiveNaNLegacy() override;
234 void emitDirectiveOptionPic0() override;
235 void emitDirectiveOptionPic2() override;
236 void emitDirectiveInsn() override;
237 void emitFrame(unsigned StackReg, unsigned StackSize,
238 unsigned ReturnReg) override;
239 void emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) override;
240 void emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) override;
243 void emitDirectiveCpLoad(unsigned RegNo) override;
244 void emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
245 const MCSymbol &Sym, bool IsReg) override;
248 void emitDirectiveModuleOddSPReg(bool Enabled, bool IsO32ABI) override;
249 void emitMipsAbiFlags();