DecoderData.c
1 /*************************************************************************************************** 2 3 Zyan Disassembler Library (Zydis) 4 5 Original Author : Florian Bernd 6 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in all 15 * copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 25 ***************************************************************************************************/ 26 27 #include <Zydis/Internal/DecoderData.h> 28 29 /* ============================================================================================== */ 30 /* Data tables */ 31 /* ============================================================================================== */ 32 33 /* ---------------------------------------------------------------------------------------------- */ 34 /* Physical instruction encodings */ 35 /* ---------------------------------------------------------------------------------------------- */ 36 37 #include <Generated/InstructionEncodings.inc> 38 39 /* ---------------------------------------------------------------------------------------------- */ 40 /* Decoder tree */ 41 /* ---------------------------------------------------------------------------------------------- */ 42 43 #define ZYDIS_INVALID \ 44 { ZYDIS_NODETYPE_INVALID, 0x00000000 } 45 #define ZYDIS_FILTER(type, id) \ 46 { type, id } 47 #define ZYDIS_DEFINITION(encoding_id, id) \ 48 { ZYDIS_NODETYPE_DEFINITION_MASK | encoding_id, id } 49 50 #include <Generated/DecoderTables.inc> 51 52 #undef ZYDIS_INVALID 53 #undef ZYDIS_FILTER 54 #undef ZYDIS_DEFINITION 55 56 /* ---------------------------------------------------------------------------------------------- */ 57 58 /* ============================================================================================== */ 59 /* Functions */ 60 /* ============================================================================================== */ 61 62 /* ---------------------------------------------------------------------------------------------- */ 63 /* Decoder tree */ 64 /* ---------------------------------------------------------------------------------------------- */ 65 66 const ZydisDecoderTreeNode zydis_decoder_tree_root = { ZYDIS_NODETYPE_FILTER_OPCODE, 0x0000 }; 67 68 const ZydisDecoderTreeNode* ZydisDecoderTreeGetChildNode(const ZydisDecoderTreeNode* parent, 69 ZyanU16 index) 70 { 71 switch (parent->type) 72 { 73 case ZYDIS_NODETYPE_FILTER_XOP: 74 ZYAN_ASSERT(index < 13); 75 return &FILTERS_XOP[parent->value][index]; 76 case ZYDIS_NODETYPE_FILTER_VEX: 77 ZYAN_ASSERT(index < 17); 78 return &FILTERS_VEX[parent->value][index]; 79 case ZYDIS_NODETYPE_FILTER_EMVEX: 80 ZYAN_ASSERT(index < 49); 81 return &FILTERS_EMVEX[parent->value][index]; 82 case ZYDIS_NODETYPE_FILTER_OPCODE: 83 ZYAN_ASSERT(index < 256); 84 return &FILTERS_OPCODE[parent->value][index]; 85 case ZYDIS_NODETYPE_FILTER_MODE: 86 ZYAN_ASSERT(index < 4); 87 return &FILTERS_MODE[parent->value][index]; 88 case ZYDIS_NODETYPE_FILTER_MODE_COMPACT: 89 ZYAN_ASSERT(index < 3); 90 return &FILTERS_MODE_COMPACT[parent->value][index]; 91 case ZYDIS_NODETYPE_FILTER_MODRM_MOD: 92 ZYAN_ASSERT(index < 4); 93 return &FILTERS_MODRM_MOD[parent->value][index]; 94 case ZYDIS_NODETYPE_FILTER_MODRM_MOD_COMPACT: 95 ZYAN_ASSERT(index < 2); 96 return &FILTERS_MODRM_MOD_COMPACT[parent->value][index]; 97 case ZYDIS_NODETYPE_FILTER_MODRM_REG: 98 ZYAN_ASSERT(index < 8); 99 return &FILTERS_MODRM_REG[parent->value][index]; 100 case ZYDIS_NODETYPE_FILTER_MODRM_RM: 101 ZYAN_ASSERT(index < 8); 102 return &FILTERS_MODRM_RM[parent->value][index]; 103 case ZYDIS_NODETYPE_FILTER_PREFIX_GROUP1: 104 ZYAN_ASSERT(index < 2); 105 return &FILTERS_PREFIX_GROUP1[parent->value][index]; 106 case ZYDIS_NODETYPE_FILTER_MANDATORY_PREFIX: 107 ZYAN_ASSERT(index < 5); 108 return &FILTERS_MANDATORY_PREFIX[parent->value][index]; 109 case ZYDIS_NODETYPE_FILTER_OPERAND_SIZE: 110 ZYAN_ASSERT(index < 3); 111 return &FILTERS_OPERAND_SIZE[parent->value][index]; 112 case ZYDIS_NODETYPE_FILTER_ADDRESS_SIZE: 113 ZYAN_ASSERT(index < 3); 114 return &FILTERS_ADDRESS_SIZE[parent->value][index]; 115 case ZYDIS_NODETYPE_FILTER_VECTOR_LENGTH: 116 ZYAN_ASSERT(index < 3); 117 return &FILTERS_VECTOR_LENGTH[parent->value][index]; 118 case ZYDIS_NODETYPE_FILTER_REX_W: 119 ZYAN_ASSERT(index < 2); 120 return &FILTERS_REX_W[parent->value][index]; 121 case ZYDIS_NODETYPE_FILTER_REX_B: 122 ZYAN_ASSERT(index < 2); 123 return &FILTERS_REX_B[parent->value][index]; 124 #ifndef ZYDIS_DISABLE_AVX512 125 case ZYDIS_NODETYPE_FILTER_EVEX_B: 126 ZYAN_ASSERT(index < 2); 127 return &FILTERS_EVEX_B[parent->value][index]; 128 #endif 129 #ifndef ZYDIS_DISABLE_KNC 130 case ZYDIS_NODETYPE_FILTER_MVEX_E: 131 ZYAN_ASSERT(index < 2); 132 return &FILTERS_MVEX_E[parent->value][index]; 133 #endif 134 case ZYDIS_NODETYPE_FILTER_MODE_AMD: 135 ZYAN_ASSERT(index < 2); 136 return &FILTERS_MODE_AMD[parent->value][index]; 137 case ZYDIS_NODETYPE_FILTER_MODE_KNC: 138 ZYAN_ASSERT(index < 2); 139 return &FILTERS_MODE_KNC[parent->value][index]; 140 case ZYDIS_NODETYPE_FILTER_MODE_MPX: 141 ZYAN_ASSERT(index < 2); 142 return &FILTERS_MODE_MPX[parent->value][index]; 143 case ZYDIS_NODETYPE_FILTER_MODE_CET: 144 ZYAN_ASSERT(index < 2); 145 return &FILTERS_MODE_CET[parent->value][index]; 146 case ZYDIS_NODETYPE_FILTER_MODE_LZCNT: 147 ZYAN_ASSERT(index < 2); 148 return &FILTERS_MODE_LZCNT[parent->value][index]; 149 case ZYDIS_NODETYPE_FILTER_MODE_TZCNT: 150 ZYAN_ASSERT(index < 2); 151 return &FILTERS_MODE_TZCNT[parent->value][index]; 152 case ZYDIS_NODETYPE_FILTER_MODE_WBNOINVD: 153 ZYAN_ASSERT(index < 2); 154 return &FILTERS_MODE_WBNOINVD[parent->value][index]; 155 case ZYDIS_NODETYPE_FILTER_MODE_CLDEMOTE: 156 ZYAN_ASSERT(index < 2); 157 return &FILTERS_MODE_CLDEMOTE[parent->value][index]; 158 default: 159 ZYAN_UNREACHABLE; 160 } 161 } 162 163 void ZydisGetInstructionEncodingInfo(const ZydisDecoderTreeNode* node, 164 const ZydisInstructionEncodingInfo** info) 165 { 166 ZYAN_ASSERT(node->type & ZYDIS_NODETYPE_DEFINITION_MASK); 167 const ZyanU8 class = (node->type) & 0x7F; 168 ZYAN_ASSERT(class < ZYAN_ARRAY_LENGTH(INSTR_ENCODINGS)); 169 *info = &INSTR_ENCODINGS[class]; 170 } 171 172 /* ---------------------------------------------------------------------------------------------- */ 173 174 /* ============================================================================================== */