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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, ZYAN_TRUE },
{ { { 2, 4, 7 }, { 2, 5, 6 }, { 2, 0, 6 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_TRUE, ZYAN_TRUE },
{ { { 2, 0, 0 }, { 3, 0, 0 }, { 0, 0, 0 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_FALSE, ZYAN_FALSE },
{ { { 3, 0, 0 }, { 2, 0, 0 }, { 3, 0, 0 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_FALSE, ZYAN_FALSE },
{ { { 0, 0, 0 }, { 0, 0, 0 }, { 5, 0, 7 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_FALSE, ZYAN_FALSE },
{ { { 2, 3, 6 }, { 2, 4, 5 }, { 2, 0, 5 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_FALSE, ZYAN_TRUE },
{ { { 0, 0, 0 }, { 0, 0, 0 }, { 2, 0, 0 } }, ZYDIS_SIZE_HINT_NONE, ZYAN_FALSE, ZYAN_FALSE },
{ { { 2, 0, 0 }, { 2, 0, 0 }, { 2, 0, 0 } }, ZYDIS_SIZE_HINT_ASZ, ZYAN_FALSE, ZYAN_FALSE },
{ { { 0, 4, 7 }, { 0, 5, 6 }, { 0, 5, 6 } }, ZYDIS_SIZE_HINT_OSZ, ZYAN_FALSE, 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;
}
}