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Diffstat (limited to '')
| -rw-r--r-- | js/src/zydis/Zydis/DecoderData.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/js/src/zydis/Zydis/DecoderData.c b/js/src/zydis/Zydis/DecoderData.c new file mode 100644 index 0000000000..350809dcb8 --- /dev/null +++ b/js/src/zydis/Zydis/DecoderData.c @@ -0,0 +1,178 @@ +/*************************************************************************************************** + + Zyan Disassembler Library (Zydis) + + Original Author : Florian Bernd + + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + +***************************************************************************************************/ + +#include "zydis/Zydis/Internal/DecoderData.h" + +/* ============================================================================================== */ +/* Data tables */ +/* ============================================================================================== */ + +/* ---------------------------------------------------------------------------------------------- */ +/* Physical instruction encodings */ +/* ---------------------------------------------------------------------------------------------- */ + +#include "zydis/Zydis/Generated/InstructionEncodings.inc" + +/* ---------------------------------------------------------------------------------------------- */ +/* Decoder tree */ +/* ---------------------------------------------------------------------------------------------- */ + +#define ZYDIS_INVALID \ + { ZYDIS_NODETYPE_INVALID, 0x00000000 } +#define ZYDIS_FILTER(type, id) \ + { type, id } +#define ZYDIS_DEFINITION(encoding_id, id) \ + { ZYDIS_NODETYPE_DEFINITION_MASK | encoding_id, id } + +#include "zydis/Zydis/Generated/DecoderTables.inc" + +#undef ZYDIS_INVALID +#undef ZYDIS_FILTER +#undef ZYDIS_DEFINITION + +/* ---------------------------------------------------------------------------------------------- */ + +/* ============================================================================================== */ +/* Functions */ +/* ============================================================================================== */ + +/* ---------------------------------------------------------------------------------------------- */ +/* Decoder tree */ +/* ---------------------------------------------------------------------------------------------- */ + +const ZydisDecoderTreeNode* ZydisDecoderTreeGetRootNode(void) +{ + static const ZydisDecoderTreeNode root = { ZYDIS_NODETYPE_FILTER_OPCODE, 0x0000 }; + return &root; +} + +const ZydisDecoderTreeNode* ZydisDecoderTreeGetChildNode(const ZydisDecoderTreeNode* parent, + ZyanU16 index) +{ + switch (parent->type) + { + case ZYDIS_NODETYPE_FILTER_XOP: + ZYAN_ASSERT(index < 13); + return &FILTERS_XOP[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_VEX: + ZYAN_ASSERT(index < 17); + return &FILTERS_VEX[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_EMVEX: + ZYAN_ASSERT(index < 33); + return &FILTERS_EMVEX[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_OPCODE: + ZYAN_ASSERT(index < 256); + return &FILTERS_OPCODE[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODE: + ZYAN_ASSERT(index < 4); + return &FILTERS_MODE[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODE_COMPACT: + ZYAN_ASSERT(index < 3); + return &FILTERS_MODE_COMPACT[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODRM_MOD: + ZYAN_ASSERT(index < 4); + return &FILTERS_MODRM_MOD[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODRM_MOD_COMPACT: + ZYAN_ASSERT(index < 2); + return &FILTERS_MODRM_MOD_COMPACT[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODRM_REG: + ZYAN_ASSERT(index < 8); + return &FILTERS_MODRM_REG[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODRM_RM: + ZYAN_ASSERT(index < 8); + return &FILTERS_MODRM_RM[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_PREFIX_GROUP1: + ZYAN_ASSERT(index < 2); + return &FILTERS_PREFIX_GROUP1[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MANDATORY_PREFIX: + ZYAN_ASSERT(index < 5); + return &FILTERS_MANDATORY_PREFIX[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_OPERAND_SIZE: + ZYAN_ASSERT(index < 3); + return &FILTERS_OPERAND_SIZE[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_ADDRESS_SIZE: + ZYAN_ASSERT(index < 3); + return &FILTERS_ADDRESS_SIZE[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_VECTOR_LENGTH: + ZYAN_ASSERT(index < 3); + return &FILTERS_VECTOR_LENGTH[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_REX_W: + ZYAN_ASSERT(index < 2); + return &FILTERS_REX_W[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_REX_B: + ZYAN_ASSERT(index < 2); + return &FILTERS_REX_B[parent->value][index]; +#ifndef ZYDIS_DISABLE_AVX512 + case ZYDIS_NODETYPE_FILTER_EVEX_B: + ZYAN_ASSERT(index < 2); + return &FILTERS_EVEX_B[parent->value][index]; +#endif +#ifndef ZYDIS_DISABLE_KNC + case ZYDIS_NODETYPE_FILTER_MVEX_E: + ZYAN_ASSERT(index < 2); + return &FILTERS_MVEX_E[parent->value][index]; +#endif + case ZYDIS_NODETYPE_FILTER_MODE_AMD: + ZYAN_ASSERT(index < 2); + return &FILTERS_MODE_AMD[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODE_KNC: + ZYAN_ASSERT(index < 2); + return &FILTERS_MODE_KNC[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODE_MPX: + ZYAN_ASSERT(index < 2); + return &FILTERS_MODE_MPX[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODE_CET: + ZYAN_ASSERT(index < 2); + return &FILTERS_MODE_CET[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODE_LZCNT: + ZYAN_ASSERT(index < 2); + return &FILTERS_MODE_LZCNT[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODE_TZCNT: + ZYAN_ASSERT(index < 2); + return &FILTERS_MODE_TZCNT[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODE_WBNOINVD: + ZYAN_ASSERT(index < 2); + return &FILTERS_MODE_WBNOINVD[parent->value][index]; + case ZYDIS_NODETYPE_FILTER_MODE_CLDEMOTE: + ZYAN_ASSERT(index < 2); + return &FILTERS_MODE_CLDEMOTE[parent->value][index]; + default: + ZYAN_UNREACHABLE; + } +} + +void ZydisGetInstructionEncodingInfo(const ZydisDecoderTreeNode* node, + const ZydisInstructionEncodingInfo** info) +{ + ZYAN_ASSERT(node->type & ZYDIS_NODETYPE_DEFINITION_MASK); + const ZyanU8 class = (node->type) & 0x7F; + ZYAN_ASSERT(class < ZYAN_ARRAY_LENGTH(INSTR_ENCODINGS)); + *info = &INSTR_ENCODINGS[class]; +} + +/* ---------------------------------------------------------------------------------------------- */ + +/* ============================================================================================== */ |