1 // Copyright 2006 The Android Open Source Project 2 3 #ifndef OPCODE_H 4 #define OPCODE_H 5 6 #include <inttypes.h> 7 8 // Note: this list of opcodes must match the list used to initialize 9 // the opflags[] array in opcode.cpp. 10 enum Opcode { 11 OP_INVALID, 12 OP_UNDEFINED, 13 OP_ADC, 14 OP_ADD, 15 OP_AND, 16 OP_B, 17 OP_BL, 18 OP_BIC, 19 OP_BKPT, 20 OP_BLX, 21 OP_BX, 22 OP_CDP, 23 OP_CLZ, 24 OP_CMN, 25 OP_CMP, 26 OP_EOR, 27 OP_LDC, 28 OP_LDM, 29 OP_LDR, 30 OP_LDRB, 31 OP_LDRBT, 32 OP_LDRH, 33 OP_LDRSB, 34 OP_LDRSH, 35 OP_LDRT, 36 OP_MCR, 37 OP_MLA, 38 OP_MOV, 39 OP_MRC, 40 OP_MRS, 41 OP_MSR, 42 OP_MUL, 43 OP_MVN, 44 OP_ORR, 45 OP_PLD, 46 OP_RSB, 47 OP_RSC, 48 OP_SBC, 49 OP_SMLAL, 50 OP_SMULL, 51 OP_STC, 52 OP_STM, 53 OP_STR, 54 OP_STRB, 55 OP_STRBT, 56 OP_STRH, 57 OP_STRT, 58 OP_SUB, 59 OP_SWI, 60 OP_SWP, 61 OP_SWPB, 62 OP_TEQ, 63 OP_TST, 64 OP_UMLAL, 65 OP_UMULL, 66 67 // Define thumb opcodes 68 OP_THUMB_UNDEFINED, 69 OP_THUMB_ADC, 70 OP_THUMB_ADD, 71 OP_THUMB_AND, 72 OP_THUMB_ASR, 73 OP_THUMB_B, 74 OP_THUMB_BIC, 75 OP_THUMB_BKPT, 76 OP_THUMB_BL, 77 OP_THUMB_BLX, 78 OP_THUMB_BX, 79 OP_THUMB_CMN, 80 OP_THUMB_CMP, 81 OP_THUMB_EOR, 82 OP_THUMB_LDMIA, 83 OP_THUMB_LDR, 84 OP_THUMB_LDRB, 85 OP_THUMB_LDRH, 86 OP_THUMB_LDRSB, 87 OP_THUMB_LDRSH, 88 OP_THUMB_LSL, 89 OP_THUMB_LSR, 90 OP_THUMB_MOV, 91 OP_THUMB_MUL, 92 OP_THUMB_MVN, 93 OP_THUMB_NEG, 94 OP_THUMB_ORR, 95 OP_THUMB_POP, 96 OP_THUMB_PUSH, 97 OP_THUMB_ROR, 98 OP_THUMB_SBC, 99 OP_THUMB_STMIA, 100 OP_THUMB_STR, 101 OP_THUMB_STRB, 102 OP_THUMB_STRH, 103 OP_THUMB_SUB, 104 OP_THUMB_SWI, 105 OP_THUMB_TST, 106 107 OP_END // must be last 108 }; 109 110 extern uint32_t opcode_flags[]; 111 extern const char *opcode_names[]; 112 113 // Define bit flags for the opcode categories 114 static const uint32_t kCatByte = 0x0001; 115 static const uint32_t kCatHalf = 0x0002; 116 static const uint32_t kCatWord = 0x0004; 117 static const uint32_t kCatLong = 0x0008; 118 static const uint32_t kCatNumBytes = (kCatByte | kCatHalf | kCatWord | kCatLong); 119 static const uint32_t kCatMultiple = 0x0010; 120 static const uint32_t kCatSigned = 0x0020; 121 static const uint32_t kCatLoad = 0x0040; 122 static const uint32_t kCatStore = 0x0080; 123 static const uint32_t kCatMemoryRef = (kCatLoad | kCatStore); 124 static const uint32_t kCatAlu = 0x0100; 125 static const uint32_t kCatBranch = 0x0200; 126 static const uint32_t kCatBranchLink = 0x0400; 127 static const uint32_t kCatBranchExch = 0x0800; 128 static const uint32_t kCatCoproc = 0x1000; 129 static const uint32_t kCatLoadMultiple = (kCatLoad | kCatMultiple); 130 static const uint32_t kCatStoreMultiple = (kCatStore | kCatMultiple); 131 isALU(Opcode op)132 inline bool isALU(Opcode op) { return (opcode_flags[op] & kCatAlu) != 0; } isBranch(Opcode op)133 inline bool isBranch(Opcode op) { return (opcode_flags[op] & kCatBranch) != 0; } isBranchLink(Opcode op)134 inline bool isBranchLink(Opcode op) { 135 return (opcode_flags[op] & kCatBranchLink) != 0; 136 } isBranchExch(Opcode op)137 inline bool isBranchExch(Opcode op) { 138 return (opcode_flags[op] & kCatBranchExch) != 0; 139 } isLoad(Opcode op)140 inline bool isLoad(Opcode op) { return (opcode_flags[op] & kCatLoad) != 0; } isLoadMultiple(Opcode op)141 inline bool isLoadMultiple(Opcode op) { 142 return (opcode_flags[op] & kCatLoadMultiple) == kCatLoadMultiple; 143 } isStoreMultiple(Opcode op)144 inline bool isStoreMultiple(Opcode op) { 145 return (opcode_flags[op] & kCatStoreMultiple) == kCatStoreMultiple; 146 } isStore(Opcode op)147 inline bool isStore(Opcode op) { return (opcode_flags[op] & kCatStore) != 0; } isSigned(Opcode op)148 inline bool isSigned(Opcode op) { return (opcode_flags[op] & kCatSigned) != 0; } isMemoryRef(Opcode op)149 inline bool isMemoryRef(Opcode op) { 150 return (opcode_flags[op] & kCatMemoryRef) != 0; 151 } getAccessSize(Opcode op)152 inline int getAccessSize(Opcode op) { return opcode_flags[op] & kCatNumBytes; } isCoproc(Opcode op)153 inline bool isCoproc(Opcode op) { return (opcode_flags[op] & kCatCoproc) != 0; } getNumAccesses(Opcode op,uint32_t binary)154 inline int getNumAccesses(Opcode op, uint32_t binary) { 155 extern int num_one_bits[]; 156 int num_accesses = 0; 157 if (opcode_flags[op] & kCatNumBytes) 158 num_accesses = 1; 159 else if (opcode_flags[op] & kCatMultiple) { 160 num_accesses = num_one_bits[(binary >> 8) & 0xff] 161 + num_one_bits[binary & 0xff]; 162 } 163 return num_accesses; 164 } 165 166 #endif // OPCODE_H 167