const ZydisEncoderRelInfo *ZydisGetRelInfo(ZydisMnemonic mnemonic) { static const ZydisEncoderRelInfo info_lookup[9] = { { { { 0, 3, 6 }, { 0, 4, 5 }, { 0, 0, 5 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_FALSE }, { { { 2, 4, 7 }, { 2, 5, 6 }, { 2, 0, 6 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_TRUE }, { { { 2, 0, 0 }, { 3, 0, 0 }, { 0, 0, 0 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_FALSE }, { { { 3, 0, 0 }, { 2, 0, 0 }, { 3, 0, 0 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_FALSE }, { { { 0, 0, 0 }, { 0, 0, 0 }, { 5, 0, 7 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_FALSE }, { { { 2, 3, 6 }, { 2, 4, 5 }, { 2, 0, 5 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_FALSE }, { { { 0, 0, 0 }, { 0, 0, 0 }, { 2, 0, 0 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_FALSE }, { { { 2, 0, 0 }, { 2, 0, 0 }, { 2, 0, 0 } }, ZYDIS_SIZE_HINT_ASZ, ZYAN_FALSE }, { { { 0, 4, 7 }, { 0, 5, 6 }, { 0, 5, 6 } }, ZYDIS_SIZE_HINT_OSZ, ZYAN_FALSE }, }; switch (mnemonic) { case ZYDIS_MNEMONIC_CALL: return &info_lookup[0]; case ZYDIS_MNEMONIC_JB: case ZYDIS_MNEMONIC_JBE: case ZYDIS_MNEMONIC_JL: case ZYDIS_MNEMONIC_JLE: case ZYDIS_MNEMONIC_JNB: case ZYDIS_MNEMONIC_JNBE: case ZYDIS_MNEMONIC_JNL: case ZYDIS_MNEMONIC_JNLE: case ZYDIS_MNEMONIC_JNO: case ZYDIS_MNEMONIC_JNP: case ZYDIS_MNEMONIC_JNS: case ZYDIS_MNEMONIC_JNZ: case ZYDIS_MNEMONIC_JO: case ZYDIS_MNEMONIC_JP: case ZYDIS_MNEMONIC_JS: case ZYDIS_MNEMONIC_JZ: return &info_lookup[1]; case ZYDIS_MNEMONIC_JCXZ: return &info_lookup[2]; case ZYDIS_MNEMONIC_JECXZ: return &info_lookup[3]; case ZYDIS_MNEMONIC_JKNZD: case ZYDIS_MNEMONIC_JKZD: return &info_lookup[4]; case ZYDIS_MNEMONIC_JMP: return &info_lookup[5]; case ZYDIS_MNEMONIC_JRCXZ: return &info_lookup[6]; case ZYDIS_MNEMONIC_LOOP: case ZYDIS_MNEMONIC_LOOPE: case ZYDIS_MNEMONIC_LOOPNE: return &info_lookup[7]; case ZYDIS_MNEMONIC_XBEGIN: return &info_lookup[8]; default: return ZYAN_NULL; } }