#!/usr/bin/python # print list of instructions LLVM inc files, for Capstone disassembler. # this will be put into capstone/.h # by Nguyen Anh Quynh, 2019 import sys if len(sys.argv) == 1: print("Syntax: %s MappingInsn.inc" %sys.argv[0]) sys.exit(1) f = open(sys.argv[3]) mapping = f.readlines() f.close() print("""/* Capstone Disassembly Engine, http://www.capstone-engine.org */ /* This is auto-gen data for Capstone disassembly engine (www.capstone-engine.org) */ /* By Nguyen Anh Quynh , 2013-2019 */ """) # lib/Target/X86/X86GenAsmMatcher.inc # static const MatchEntry MatchTable1[] = { # { 0 /* aaa */, X86::AAA, Convert_NoOperands, Feature_Not64BitMode, { }, }, # extract insn from GenAsmMatcher Table # return (arch, mnem, insn_id) def extract_insn(line): tmp = line.split(',') insn_raw = tmp[1].strip() insn_mnem = tmp[0].split(' ')[3] # X86 mov.s if '.' in insn_mnem: tmp = insn_mnem.split('.') insn_mnem = tmp[0] tmp = insn_raw.split('::') arch = tmp[0] # AArch64 -> ARM64 if arch.upper() == 'AARCH64': arch = 'ARM64' return (arch, insn_mnem, tmp[1]) # extract all insn lines from GenAsmMatcher # return arch, insn_id_list, insn_lines def extract_matcher(filename): f = open(filename) lines = f.readlines() f.close() match_count = 0 count = 0 #insn_lines = [] insn_id_list = {} arch = None first_insn = None # 1st enum is register enum for line in lines: line = line.rstrip() if len(line.strip()) == 0: continue if 'MatchEntry MatchTable1[] = {' in line.strip(): match_count += 1 #print(line.strip()) continue line = line.strip() if match_count == 1: count += 1 if line == '};': # done with first enum break else: _arch, mnem, insn_id = extract_insn(line) if count == 1: arch, first_insn = _arch, insn_id if not insn_id in insn_id_list: # print("***", arch, mnem, insn_id) insn_id_list[insn_id] = mnem #insn_lines.append(line) #return arch, first_insn, insn_id_list, insn_lines return arch, first_insn, insn_id_list #arch, first_insn, insn_id_list, match_lines = extract_matcher(sys.argv[1]) arch, first_insn, insn_id_list = extract_matcher(sys.argv[1]) arch = arch.upper() #for line in insn_id_list: # print(line) insn_list = [] #{ # X86_AAA, X86_INS_AAA, ##ifndef CAPSTONE_DIET # { 0 }, { 0 }, { X86_GRP_NOT64BITMODE, 0 }, 0, 0 ##endif #}, def print_entry(arch, insn_id, mnem, mapping, mnem_can_be_wrong): if not mnem_can_be_wrong: insn = "%s_INS_%s" %(arch.upper(), mnem.upper()) if insn in insn_list: return print('\t"%s", // %s' %(mnem.lower(), insn)) insn_list.append(insn) return insn = "%s_%s" %(arch.upper(), insn_id) # so mnem can be wrong, we need to verify with MappingInsn.inc # first, try to find this entry in old MappingInsn.inc file for i in range(len(mapping)): tmp = mapping[i].split(',') if tmp[0].strip() == insn: insn = tmp[1].strip() if insn in insn_list: return mnem = insn[len("%s_INS_" %(arch)):] #print("==== get below from MappingInsn.inc file: %s" %insn) print('\t"%s", // %s' %(mnem.lower(), insn)) insn_list.append(insn) return # extract from GenInstrInfo.inc, because the insn id is in order enum_count = 0 meet_insn = False f = open(sys.argv[2]) lines = f.readlines() f.close() count = 0 last_mnem = None # 1st enum is register enum for line in lines: line = line.rstrip() if len(line.strip()) == 0: continue if line.strip() == 'enum {': enum_count += 1 #print(line.strip()) continue line = line.strip() if enum_count == 1: if 'INSTRUCTION_LIST_END' in line: break else: insn = None if meet_insn: # enum items insn = line.split('=')[0].strip() if 'CALLSTACK' in insn or 'TAILJUMP' in insn: # pseudo instruction insn = None elif line.startswith(first_insn): insn = line.split('=')[0].strip() meet_insn = True if insn: count += 1 if insn == 'BSWAP16r_BAD': last_mnem = 'BSWAP' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'CMOVNP_Fp32': last_mnem = 'FCMOVNP' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'CMOVP_Fp3': last_mnem = 'FCMOVP' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'CMPSDrm_Int': last_mnem = 'CMPSD' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'MOVSX16rm16': last_mnem = 'MOVSX' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'MOVZX16rm16': last_mnem = 'MOVZX' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'ST_Fp32m': last_mnem = 'FST' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'CMOVNP_Fp64': last_mnem = 'FCMOVNU' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'CMPSDrr_Int': last_mnem = 'CMPSD' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'CMPSSrm_Int': last_mnem = 'CMPSS' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VCMPSDrm_Int': last_mnem = 'VCMPSD' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VCMPSSrm_Int': last_mnem = 'VCMPSS' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VPCMOVYrrr_REV': last_mnem = 'VPCMOV' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VRNDSCALESDZm': last_mnem = 'VRNDSCALESD' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VRNDSCALESSZm': last_mnem = 'VRNDSCALESS' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VMAXCPDZ128rm': last_mnem = 'VMAXPD' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VMAXCPSZ128rm': last_mnem = 'VMAXPS' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VMAXCSDZrm': last_mnem = 'VMAXSD' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VMAXCSSZrm': last_mnem = 'VMAXSS' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VMINCPDZ128rm': last_mnem = 'VMINPD' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VMINCPSZ128rm': last_mnem = 'VMINPS' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VMINCSDZrm': last_mnem = 'VMINSD' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VMINCSSZrm': last_mnem = 'VMINSS' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VMOV64toPQIZrm': last_mnem = 'VMOVQ' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VPERMIL2PDYrr_REV': last_mnem = 'VPERMILPD' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VPERMIL2PSYrr_REV': last_mnem = 'VPERMILPS' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VCVTSD2SI64Zrm_Int': last_mnem = 'VCVTSD2SI' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VCVTSD2SSrm_Int': last_mnem = 'VCVTSD2SS' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VCVTSS2SI64Zrm_Int': last_mnem = 'VCVTSS2SI' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VCVTTSD2SI64Zrm_Int': last_mnem = 'VCVTTSD2SI' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn == 'VCVTTSS2SI64Zrm_Int': last_mnem = 'VCVTTSS2SI' print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn.startswith('VFMSUBADD'): if insn[len('VFMSUBADD')].isdigit(): last_mnem = insn[:len('VFMSUBADD123xy')] else: last_mnem = insn[:len('VFMSUBADDSS')] print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn.startswith('VFMADDSUB'): if insn[len('VFMADDSUB')].isdigit(): last_mnem = insn[:len('VFMADDSUB123xy')] else: last_mnem = insn[:len('VFMADDSUBSS')] print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn.startswith('VFMADD'): if insn[len('VFMADD')].isdigit(): last_mnem = insn[:len('VFMADD123PD')] else: last_mnem = insn[:len('VFMADDPD')] print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn.startswith('VFMSUB'): if insn[len('VFMSUB')].isdigit(): last_mnem = insn[:len('VFMSUB123PD')] else: last_mnem = insn[:len('VFMSUBPD')] print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn.startswith('VFNMADD'): if insn[len('VFNMADD')].isdigit(): last_mnem = insn[:len('VFNMADD123xy')] else: last_mnem = insn[:len('VFNMADDSS')] print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn.startswith('VFNMSUB'): if insn[len('VFNMSUB')].isdigit(): last_mnem = insn[:len('VFNMSUB123xy')] else: last_mnem = insn[:len('VFNMSUBSS')] print_entry(arch.upper(), insn, last_mnem, mapping, False) elif insn in insn_id_list: # trust old mapping table last_mnem = insn_id_list[insn].upper() print_entry(arch.upper(), insn, last_mnem, mapping, False) else: # the last option when we cannot find mnem: use the last good mnem print_entry(arch.upper(), insn, last_mnem, mapping, True)