zydis/src/EncoderData.c

118 lines
5.3 KiB
C

/***************************************************************************************************
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 <EncoderData.h>
/* ============================================================================================== */
/* Enums and types */
/* ============================================================================================== */
// MSVC does not like types other than (un-)signed int for bitfields
#ifdef ZYDIS_MSVC
# pragma warning(push)
# pragma warning(disable:4214)
#endif
#pragma pack(push, 1)
/* ---------------------------------------------------------------------------------------------- */
/* Encodable instructions */
/* ---------------------------------------------------------------------------------------------- */
/**
* @brief Defines the @c ZydisEncodableInstructions struct.
*/
typedef struct ZydisEncodableInstructions_
{
uint8_t count;
uint16_t reference;
} ZydisEncodableInstructions;
/* ---------------------------------------------------------------------------------------------- */
#pragma pack(pop)
#ifdef ZYDIS_MSVC
# pragma warning(pop)
#endif
/* ============================================================================================== */
/* Data tables */
/* ============================================================================================== */
/* ---------------------------------------------------------------------------------------------- */
/* Forward declarations */
/* ---------------------------------------------------------------------------------------------- */
/**
* @brief Contains an item with a reference to all encodable instructions for every mnemonic.
*/
extern const ZydisEncodableInstructions mnemonicLookup[];
/**
* @brief Contains the definition-data for all encodable instructions.
*/
extern const ZydisEncodableInstruction encodableInstructions[];
/* ---------------------------------------------------------------------------------------------- */
/* Mnemonic lookup table */
/* ---------------------------------------------------------------------------------------------- */
#include <Generated/EncoderLookup.inc>
/* ---------------------------------------------------------------------------------------------- */
/* Encodable instructions */
/* ---------------------------------------------------------------------------------------------- */
#include <Generated/EncodableInstructions.inc>
/* ---------------------------------------------------------------------------------------------- */
/* ============================================================================================== */
/* Functions */
/* ============================================================================================== */
/* ---------------------------------------------------------------------------------------------- */
/* Encodable instructions */
/* ---------------------------------------------------------------------------------------------- */
uint8_t ZydisGetEncodableInstructions(ZydisMnemonic mnemonic,
const ZydisEncodableInstruction** instruction)
{
if (mnemonic >= ZYDIS_ARRAY_SIZE(mnemonicLookup))
{
*instruction = NULL;
return 0;
}
const ZydisEncodableInstructions* descriptor = &mnemonicLookup[mnemonic];
*instruction = &encodableInstructions[descriptor->reference];
return descriptor->count;
}
/* ---------------------------------------------------------------------------------------------- */
/* ============================================================================================== */