diff options
Diffstat (limited to 'lib/Target/ARM/Disassembler/ARMDisassembler.cpp')
| -rw-r--r-- | lib/Target/ARM/Disassembler/ARMDisassembler.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp index 6cbe863d0e..dea38bf00a 100644 --- a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp +++ b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp @@ -287,6 +287,8 @@ static DecodeStatus DecodeThumbBLXOffset(llvm::MCInst &Inst, unsigned Insn, uint64_t Address, const void *Decoder); static DecodeStatus DecodeT2AddrModeImm12(llvm::MCInst &Inst, unsigned Val, uint64_t Address, const void *Decoder); +static DecodeStatus DecodeThumbTableBranch(llvm::MCInst &Inst, unsigned Val, + uint64_t Address, const void *Decoder); static DecodeStatus DecodeThumb2BCCInstruction(llvm::MCInst &Inst, unsigned Val, uint64_t Address, const void *Decoder); static DecodeStatus DecodeT2SOImm(llvm::MCInst &Inst, unsigned Val, @@ -2899,6 +2901,22 @@ static DecodeStatus DecodeCoprocessor(llvm::MCInst &Inst, unsigned Val, } static DecodeStatus +DecodeThumbTableBranch(llvm::MCInst &Inst, unsigned Insn, + uint64_t Address, const void *Decoder) { + DecodeStatus S = MCDisassembler::Success; + + unsigned Rn = fieldFromInstruction32(Insn, 16, 4); + unsigned Rm = fieldFromInstruction32(Insn, 0, 4); + + if (Rn == ARM::SP) S = MCDisassembler::SoftFail; + if (!Check(S, DecodeGPRRegisterClass(Inst, Rn, Address, Decoder))) + return MCDisassembler::Fail; + if (!Check(S, DecoderGPRRegisterClass(Inst, Rm, Address, Decoder))) + return MCDisassembler::Fail; + return S; +} + +static DecodeStatus DecodeThumb2BCCInstruction(llvm::MCInst &Inst, unsigned Insn, uint64_t Address, const void *Decoder) { DecodeStatus S = MCDisassembler::Success; |