diff options
Diffstat (limited to 'contrib/llvm/lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp | 118 |
1 files changed, 88 insertions, 30 deletions
diff --git a/contrib/llvm/lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp b/contrib/llvm/lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp index 23173bf..bf67b75 100644 --- a/contrib/llvm/lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp +++ b/contrib/llvm/lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp @@ -25,7 +25,7 @@ class SystemZDisassembler : public MCDisassembler { public: SystemZDisassembler(const MCSubtargetInfo &STI, MCContext &Ctx) : MCDisassembler(STI, Ctx) {} - virtual ~SystemZDisassembler() {} + ~SystemZDisassembler() override {} DecodeStatus getInstruction(MCInst &instr, uint64_t &Size, ArrayRef<uint8_t> Bytes, uint64_t Address, @@ -47,74 +47,94 @@ extern "C" void LLVMInitializeSystemZDisassembler() { } static DecodeStatus decodeRegisterClass(MCInst &Inst, uint64_t RegNo, - const unsigned *Regs) { - assert(RegNo < 16 && "Invalid register"); + const unsigned *Regs, unsigned Size) { + assert(RegNo < Size && "Invalid register"); RegNo = Regs[RegNo]; if (RegNo == 0) return MCDisassembler::Fail; - Inst.addOperand(MCOperand::CreateReg(RegNo)); + Inst.addOperand(MCOperand::createReg(RegNo)); return MCDisassembler::Success; } static DecodeStatus DecodeGR32BitRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { - return decodeRegisterClass(Inst, RegNo, SystemZMC::GR32Regs); + return decodeRegisterClass(Inst, RegNo, SystemZMC::GR32Regs, 16); } static DecodeStatus DecodeGRH32BitRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { - return decodeRegisterClass(Inst, RegNo, SystemZMC::GRH32Regs); + return decodeRegisterClass(Inst, RegNo, SystemZMC::GRH32Regs, 16); } static DecodeStatus DecodeGR64BitRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { - return decodeRegisterClass(Inst, RegNo, SystemZMC::GR64Regs); + return decodeRegisterClass(Inst, RegNo, SystemZMC::GR64Regs, 16); } static DecodeStatus DecodeGR128BitRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { - return decodeRegisterClass(Inst, RegNo, SystemZMC::GR128Regs); + return decodeRegisterClass(Inst, RegNo, SystemZMC::GR128Regs, 16); } static DecodeStatus DecodeADDR64BitRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { - return decodeRegisterClass(Inst, RegNo, SystemZMC::GR64Regs); + return decodeRegisterClass(Inst, RegNo, SystemZMC::GR64Regs, 16); } static DecodeStatus DecodeFP32BitRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { - return decodeRegisterClass(Inst, RegNo, SystemZMC::FP32Regs); + return decodeRegisterClass(Inst, RegNo, SystemZMC::FP32Regs, 16); } static DecodeStatus DecodeFP64BitRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { - return decodeRegisterClass(Inst, RegNo, SystemZMC::FP64Regs); + return decodeRegisterClass(Inst, RegNo, SystemZMC::FP64Regs, 16); } static DecodeStatus DecodeFP128BitRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { - return decodeRegisterClass(Inst, RegNo, SystemZMC::FP128Regs); + return decodeRegisterClass(Inst, RegNo, SystemZMC::FP128Regs, 16); +} + +static DecodeStatus DecodeVR32BitRegisterClass(MCInst &Inst, uint64_t RegNo, + uint64_t Address, + const void *Decoder) { + return decodeRegisterClass(Inst, RegNo, SystemZMC::VR32Regs, 32); +} + +static DecodeStatus DecodeVR64BitRegisterClass(MCInst &Inst, uint64_t RegNo, + uint64_t Address, + const void *Decoder) { + return decodeRegisterClass(Inst, RegNo, SystemZMC::VR64Regs, 32); +} + +static DecodeStatus DecodeVR128BitRegisterClass(MCInst &Inst, uint64_t RegNo, + uint64_t Address, + const void *Decoder) { + return decodeRegisterClass(Inst, RegNo, SystemZMC::VR128Regs, 32); } template<unsigned N> static DecodeStatus decodeUImmOperand(MCInst &Inst, uint64_t Imm) { - assert(isUInt<N>(Imm) && "Invalid immediate"); - Inst.addOperand(MCOperand::CreateImm(Imm)); + if (!isUInt<N>(Imm)) + return MCDisassembler::Fail; + Inst.addOperand(MCOperand::createImm(Imm)); return MCDisassembler::Success; } template<unsigned N> static DecodeStatus decodeSImmOperand(MCInst &Inst, uint64_t Imm) { - assert(isUInt<N>(Imm) && "Invalid immediate"); - Inst.addOperand(MCOperand::CreateImm(SignExtend64<N>(Imm))); + if (!isUInt<N>(Imm)) + return MCDisassembler::Fail; + Inst.addOperand(MCOperand::createImm(SignExtend64<N>(Imm))); return MCDisassembler::Success; } @@ -124,6 +144,21 @@ static DecodeStatus decodeAccessRegOperand(MCInst &Inst, uint64_t Imm, return decodeUImmOperand<4>(Inst, Imm); } +static DecodeStatus decodeU1ImmOperand(MCInst &Inst, uint64_t Imm, + uint64_t Address, const void *Decoder) { + return decodeUImmOperand<1>(Inst, Imm); +} + +static DecodeStatus decodeU2ImmOperand(MCInst &Inst, uint64_t Imm, + uint64_t Address, const void *Decoder) { + return decodeUImmOperand<2>(Inst, Imm); +} + +static DecodeStatus decodeU3ImmOperand(MCInst &Inst, uint64_t Imm, + uint64_t Address, const void *Decoder) { + return decodeUImmOperand<3>(Inst, Imm); +} + static DecodeStatus decodeU4ImmOperand(MCInst &Inst, uint64_t Imm, uint64_t Address, const void *Decoder) { return decodeUImmOperand<4>(Inst, Imm); @@ -139,6 +174,11 @@ static DecodeStatus decodeU8ImmOperand(MCInst &Inst, uint64_t Imm, return decodeUImmOperand<8>(Inst, Imm); } +static DecodeStatus decodeU12ImmOperand(MCInst &Inst, uint64_t Imm, + uint64_t Address, const void *Decoder) { + return decodeUImmOperand<12>(Inst, Imm); +} + static DecodeStatus decodeU16ImmOperand(MCInst &Inst, uint64_t Imm, uint64_t Address, const void *Decoder) { return decodeUImmOperand<16>(Inst, Imm); @@ -168,7 +208,7 @@ template<unsigned N> static DecodeStatus decodePCDBLOperand(MCInst &Inst, uint64_t Imm, uint64_t Address) { assert(isUInt<N>(Imm) && "Invalid PC-relative offset"); - Inst.addOperand(MCOperand::CreateImm(SignExtend64<N>(Imm) * 2 + Address)); + Inst.addOperand(MCOperand::createImm(SignExtend64<N>(Imm) * 2 + Address)); return MCDisassembler::Success; } @@ -189,8 +229,8 @@ static DecodeStatus decodeBDAddr12Operand(MCInst &Inst, uint64_t Field, uint64_t Base = Field >> 12; uint64_t Disp = Field & 0xfff; assert(Base < 16 && "Invalid BDAddr12"); - Inst.addOperand(MCOperand::CreateReg(Base == 0 ? 0 : Regs[Base])); - Inst.addOperand(MCOperand::CreateImm(Disp)); + Inst.addOperand(MCOperand::createReg(Base == 0 ? 0 : Regs[Base])); + Inst.addOperand(MCOperand::createImm(Disp)); return MCDisassembler::Success; } @@ -199,8 +239,8 @@ static DecodeStatus decodeBDAddr20Operand(MCInst &Inst, uint64_t Field, uint64_t Base = Field >> 20; uint64_t Disp = ((Field << 12) & 0xff000) | ((Field >> 8) & 0xfff); assert(Base < 16 && "Invalid BDAddr20"); - Inst.addOperand(MCOperand::CreateReg(Base == 0 ? 0 : Regs[Base])); - Inst.addOperand(MCOperand::CreateImm(SignExtend64<20>(Disp))); + Inst.addOperand(MCOperand::createReg(Base == 0 ? 0 : Regs[Base])); + Inst.addOperand(MCOperand::createImm(SignExtend64<20>(Disp))); return MCDisassembler::Success; } @@ -210,9 +250,9 @@ static DecodeStatus decodeBDXAddr12Operand(MCInst &Inst, uint64_t Field, uint64_t Base = (Field >> 12) & 0xf; uint64_t Disp = Field & 0xfff; assert(Index < 16 && "Invalid BDXAddr12"); - Inst.addOperand(MCOperand::CreateReg(Base == 0 ? 0 : Regs[Base])); - Inst.addOperand(MCOperand::CreateImm(Disp)); - Inst.addOperand(MCOperand::CreateReg(Index == 0 ? 0 : Regs[Index])); + Inst.addOperand(MCOperand::createReg(Base == 0 ? 0 : Regs[Base])); + Inst.addOperand(MCOperand::createImm(Disp)); + Inst.addOperand(MCOperand::createReg(Index == 0 ? 0 : Regs[Index])); return MCDisassembler::Success; } @@ -222,9 +262,9 @@ static DecodeStatus decodeBDXAddr20Operand(MCInst &Inst, uint64_t Field, uint64_t Base = (Field >> 20) & 0xf; uint64_t Disp = ((Field & 0xfff00) >> 8) | ((Field & 0xff) << 12); assert(Index < 16 && "Invalid BDXAddr20"); - Inst.addOperand(MCOperand::CreateReg(Base == 0 ? 0 : Regs[Base])); - Inst.addOperand(MCOperand::CreateImm(SignExtend64<20>(Disp))); - Inst.addOperand(MCOperand::CreateReg(Index == 0 ? 0 : Regs[Index])); + Inst.addOperand(MCOperand::createReg(Base == 0 ? 0 : Regs[Base])); + Inst.addOperand(MCOperand::createImm(SignExtend64<20>(Disp))); + Inst.addOperand(MCOperand::createReg(Index == 0 ? 0 : Regs[Index])); return MCDisassembler::Success; } @@ -234,9 +274,21 @@ static DecodeStatus decodeBDLAddr12Len8Operand(MCInst &Inst, uint64_t Field, uint64_t Base = (Field >> 12) & 0xf; uint64_t Disp = Field & 0xfff; assert(Length < 256 && "Invalid BDLAddr12Len8"); - Inst.addOperand(MCOperand::CreateReg(Base == 0 ? 0 : Regs[Base])); - Inst.addOperand(MCOperand::CreateImm(Disp)); - Inst.addOperand(MCOperand::CreateImm(Length + 1)); + Inst.addOperand(MCOperand::createReg(Base == 0 ? 0 : Regs[Base])); + Inst.addOperand(MCOperand::createImm(Disp)); + Inst.addOperand(MCOperand::createImm(Length + 1)); + return MCDisassembler::Success; +} + +static DecodeStatus decodeBDVAddr12Operand(MCInst &Inst, uint64_t Field, + const unsigned *Regs) { + uint64_t Index = Field >> 16; + uint64_t Base = (Field >> 12) & 0xf; + uint64_t Disp = Field & 0xfff; + assert(Index < 32 && "Invalid BDVAddr12"); + Inst.addOperand(MCOperand::createReg(Base == 0 ? 0 : Regs[Base])); + Inst.addOperand(MCOperand::createImm(Disp)); + Inst.addOperand(MCOperand::createReg(SystemZMC::VR128Regs[Index])); return MCDisassembler::Success; } @@ -283,6 +335,12 @@ static DecodeStatus decodeBDLAddr64Disp12Len8Operand(MCInst &Inst, return decodeBDLAddr12Len8Operand(Inst, Field, SystemZMC::GR64Regs); } +static DecodeStatus decodeBDVAddr64Disp12Operand(MCInst &Inst, uint64_t Field, + uint64_t Address, + const void *Decoder) { + return decodeBDVAddr12Operand(Inst, Field, SystemZMC::GR64Regs); +} + #include "SystemZGenDisassemblerTables.inc" DecodeStatus SystemZDisassembler::getInstruction(MCInst &MI, uint64_t &Size, |