From 7a436110ef15c803dc8524af2fb5612bcacbb126 Mon Sep 17 00:00:00 2001 From: mephi42 Date: Tue, 7 Aug 2018 20:55:32 +0200 Subject: [PATCH 6/7] capstone: generate *MappingInsn.inc --- lib/Target/SystemZ/CMakeLists.txt | 1 + utils/TableGen/InstrInfoEmitter.cpp | 95 +++++++++++++++++++++++++++++ utils/TableGen/TableGen.cpp | 6 ++ utils/TableGen/TableGenBackends.h | 1 + 4 files changed, 103 insertions(+) diff --git a/lib/Target/SystemZ/CMakeLists.txt b/lib/Target/SystemZ/CMakeLists.txt index f83b4242fb4..4b5d9c4a3b2 100644 --- a/lib/Target/SystemZ/CMakeLists.txt +++ b/lib/Target/SystemZ/CMakeLists.txt @@ -6,6 +6,7 @@ tablegen(LLVM SystemZGenCallingConv.inc -gen-callingconv) tablegen(LLVM SystemZGenDAGISel.inc -gen-dag-isel) tablegen(LLVM SystemZGenDisassemblerTables.inc -gen-disassembler) tablegen(LLVM SystemZGenInstrInfo.inc -gen-instr-info) +tablegen(LLVM SystemZMappingInsn.inc -mapping-insn) tablegen(LLVM SystemZGenMCCodeEmitter.inc -gen-emitter) tablegen(LLVM SystemZGenRegisterInfo.inc -gen-register-info) tablegen(LLVM SystemZGenSubtargetInfo.inc -gen-subtarget) diff --git a/utils/TableGen/InstrInfoEmitter.cpp b/utils/TableGen/InstrInfoEmitter.cpp index 2f3a2729262..14ab1ea8a72 100644 --- a/utils/TableGen/InstrInfoEmitter.cpp +++ b/utils/TableGen/InstrInfoEmitter.cpp @@ -744,4 +744,99 @@ void EmitInstrInfo(RecordKeeper &RK, raw_ostream &OS) { #endif } +#ifdef CAPSTONE +std::string GetPublicName(const CodeGenInstruction *Inst) { + std::string Name = Inst->TheDef->getName(); + // Apply backward compatibility fixups. + // BRNLE -> BNLER. + if (Name.length() >= 5 && Name.substr(0, 5) == "BRAsm") { + Name = "B" + Name.substr(5, Name.length() - 5) + "R"; + } + // SSKEOpt -> SSKE. + while (Name.length() >= 3 && Name.substr(Name.length() - 3, 3) == "Opt") { + Name = Name.substr(0, Name.length() - 3); + } + // BRCLAsm -> BRCL. + while (true) { + size_t pos = Name.find("Asm"); + if (pos == std::string::npos) { + break; + } + Name = Name.substr(0, pos) + Name.substr(pos + 3); + } + // CPSDRxx -> CPSDR. + if (Name.length() >= 2) { + std::string Suffix2 = Name.substr(Name.length() - 2, 2); + if (Suffix2 == "dd" || Suffix2 == "ds" || + Suffix2 == "sd" || Suffix2 == "ss") { + Name = Name.substr(0, Name.length() - 2); + } + } + return "SYSZ_INS_" + Name; +} + +std::string GetRegisterName(Record *Reg) { + std::string Name = Reg->getName(); + for (char& c : Name) { + c = toupper(c); + } + // R0L, R0D -> R0. + if (Name.length() >= 3 && + Name[Name.length() - 3] == 'R' && + (Name[Name.length() - 1] == 'L' || + Name[Name.length() - 1] == 'D')) { + Name = Name.substr(0, Name.length() - 3) + Name[Name.length() - 2]; + } + return "SYSZ_REG_" + Name; +} + +std::string GetGroupName(Record *Pred) { + std::string Name = Pred->getName(); + for (char& c : Name) { + c = toupper(c); + } + if (Name.length() >= 7 && Name.substr(0, 7) == "FEATURE") { + Name = Name.substr(7); + } + return "SYSZ_GRP_" + Name; +} + +void EmitMappingInsn(RecordKeeper &RK, raw_ostream &OS) { + OS << "// This is auto-gen data for Capstone engine (www.capstone-engine.org)\n" + "// By Nguyen Anh Quynh \n" + "\n"; + CodeGenTarget Target(RK); + for (const CodeGenInstruction *Inst : Target.getInstructionsByEnumValue()) { + if (Inst->TheDef->getValueAsBit("isPseudo") || + Inst->TheDef->getValueAsBit("isCodeGenOnly")) { + continue; + } + OS << "{\n" + << "\t" << Target.getName() << "_" << Inst->TheDef->getName() << ", " + << GetPublicName(Inst) << ",\n" + << "#ifndef CAPSTONE_DIET\n" + << "\t{ "; + for (Record *Use : Inst->TheDef->getValueAsListOfDefs("Uses")) { + OS << GetRegisterName(Use) << ", "; + } + OS << "0 }, { "; + for (Record *Def : Inst->TheDef->getValueAsListOfDefs("Defs")) { + OS << GetRegisterName(Def) << ", "; + } + OS << "0 }, { "; + ListInit *Predicates = Inst->TheDef->getValueAsListInit("Predicates"); + for (unsigned i = 0; i < Predicates->size(); ++i) { + OS << GetGroupName(Predicates->getElementAsRecord(i)) << ", "; + } + OS << "0 }, " + << Inst->TheDef->getValueAsBit("isBranch") + << ", " + << Inst->TheDef->getValueAsBit("isIndirectBranch") + << "\n" + << "#endif\n" + << "},\n"; + } +} +#endif + } // end llvm namespace diff --git a/utils/TableGen/TableGen.cpp b/utils/TableGen/TableGen.cpp index cf1404d8769..bbb4e860536 100644 --- a/utils/TableGen/TableGen.cpp +++ b/utils/TableGen/TableGen.cpp @@ -27,6 +27,7 @@ enum ActionType { GenEmitter, GenRegisterInfo, GenInstrInfo, + MappingInsn, GenInstrDocs, GenAsmWriter, GenAsmMatcher, @@ -65,6 +66,8 @@ namespace { "Generate registers and register classes info"), clEnumValN(GenInstrInfo, "gen-instr-info", "Generate instruction descriptions"), + clEnumValN(MappingInsn, "mapping-insn", + ""), clEnumValN(GenInstrDocs, "gen-instr-docs", "Generate instruction documentation"), clEnumValN(GenCallingConv, "gen-callingconv", @@ -135,6 +138,9 @@ bool LLVMTableGenMain(raw_ostream &OS, RecordKeeper &Records) { case GenInstrInfo: EmitInstrInfo(Records, OS); break; + case MappingInsn: + EmitMappingInsn(Records, OS); + break; case GenInstrDocs: EmitInstrDocs(Records, OS); break; diff --git a/utils/TableGen/TableGenBackends.h b/utils/TableGen/TableGenBackends.h index 1329a6d833f..a41e46b1db0 100644 --- a/utils/TableGen/TableGenBackends.h +++ b/utils/TableGen/TableGenBackends.h @@ -75,6 +75,7 @@ void EmitDFAPacketizer(RecordKeeper &RK, raw_ostream &OS); void EmitDisassembler(RecordKeeper &RK, raw_ostream &OS); void EmitFastISel(RecordKeeper &RK, raw_ostream &OS); void EmitInstrInfo(RecordKeeper &RK, raw_ostream &OS); +void EmitMappingInsn(RecordKeeper &RK, raw_ostream &OS); void EmitInstrDocs(RecordKeeper &RK, raw_ostream &OS); void EmitPseudoLowering(RecordKeeper &RK, raw_ostream &OS); void EmitCompressInst(RecordKeeper &RK, raw_ostream &OS); -- 2.19.1