Function ZydisDecoderTreeGetChildNode

external/zydis/src/DecoderData.c:68–167

const ZydisDecoderTreeNode zydis_decoder_tree_root = { ZYDIS_NODETYPE_FILTER_OPCODE, 0x0000 };

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 <  49);
        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: