diff options
Diffstat (limited to 'contrib/llvm/lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp')
| -rw-r--r-- | contrib/llvm/lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/contrib/llvm/lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp b/contrib/llvm/lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp index 1806e01..8903b57 100644 --- a/contrib/llvm/lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp +++ b/contrib/llvm/lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp @@ -7,12 +7,16 @@ // //===----------------------------------------------------------------------===// +#include "MCTargetDesc/SystemZMCTargetDesc.h" #include "SystemZ.h" #include "llvm/MC/MCDisassembler/MCDisassembler.h" #include "llvm/MC/MCFixedLenDisassembler.h" #include "llvm/MC/MCInst.h" #include "llvm/MC/MCSubtargetInfo.h" +#include "llvm/Support/MathExtras.h" #include "llvm/Support/TargetRegistry.h" +#include <cassert> +#include <cstdint> using namespace llvm; @@ -21,17 +25,19 @@ using namespace llvm; typedef MCDisassembler::DecodeStatus DecodeStatus; namespace { + class SystemZDisassembler : public MCDisassembler { public: SystemZDisassembler(const MCSubtargetInfo &STI, MCContext &Ctx) : MCDisassembler(STI, Ctx) {} - ~SystemZDisassembler() override {} + ~SystemZDisassembler() override = default; DecodeStatus getInstruction(MCInst &instr, uint64_t &Size, ArrayRef<uint8_t> Bytes, uint64_t Address, raw_ostream &VStream, raw_ostream &CStream) const override; }; + } // end anonymous namespace static MCDisassembler *createSystemZDisassembler(const Target &T, @@ -156,6 +162,12 @@ static DecodeStatus DecodeAR32BitRegisterClass(MCInst &Inst, uint64_t RegNo, return decodeRegisterClass(Inst, RegNo, SystemZMC::AR32Regs, 16); } +static DecodeStatus DecodeCR64BitRegisterClass(MCInst &Inst, uint64_t RegNo, + uint64_t Address, + const void *Decoder) { + return decodeRegisterClass(Inst, RegNo, SystemZMC::CR64Regs, 16); +} + template<unsigned N> static DecodeStatus decodeUImmOperand(MCInst &Inst, uint64_t Imm) { if (!isUInt<N>(Imm)) @@ -321,6 +333,18 @@ static DecodeStatus decodeBDXAddr20Operand(MCInst &Inst, uint64_t Field, return MCDisassembler::Success; } +static DecodeStatus decodeBDLAddr12Len4Operand(MCInst &Inst, uint64_t Field, + const unsigned *Regs) { + uint64_t Length = Field >> 16; + uint64_t Base = (Field >> 12) & 0xf; + uint64_t Disp = Field & 0xfff; + assert(Length < 16 && "Invalid BDLAddr12Len4"); + 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 decodeBDLAddr12Len8Operand(MCInst &Inst, uint64_t Field, const unsigned *Regs) { uint64_t Length = Field >> 16; @@ -393,6 +417,13 @@ static DecodeStatus decodeBDXAddr64Disp20Operand(MCInst &Inst, uint64_t Field, return decodeBDXAddr20Operand(Inst, Field, SystemZMC::GR64Regs); } +static DecodeStatus decodeBDLAddr64Disp12Len4Operand(MCInst &Inst, + uint64_t Field, + uint64_t Address, + const void *Decoder) { + return decodeBDLAddr12Len4Operand(Inst, Field, SystemZMC::GR64Regs); +} + static DecodeStatus decodeBDLAddr64Disp12Len8Operand(MCInst &Inst, uint64_t Field, uint64_t Address, |
