EncoderData.h

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/***************************************************************************************************
 
 Zyan Disassembler Library (Zydis)
 
 Original Author : Mappa
 
 * 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.
 
***************************************************************************************************/
 
#ifndef ZYDIS_INTERNAL_ENCODERDATA_H
#define ZYDIS_INTERNAL_ENCODERDATA_H
 
#include <Zycore/Defines.h>
#include <Zydis/Mnemonic.h>
#include <Zydis/SharedTypes.h>
 
typedef enum ZydisWidthFlag_
{
 ZYDIS_WIDTH_INVALID = 0x00,
 ZYDIS_WIDTH_16 = 0x01,
 ZYDIS_WIDTH_32 = 0x02,
 ZYDIS_WIDTH_64 = 0x04,
 
 ZYDIS_WIDTH_MAX_VALUE = (ZYDIS_WIDTH_64 | (ZYDIS_WIDTH_64 - 1)),
 ZYDIS_WIDTH_REQUIRED_BITS = ZYAN_BITS_TO_REPRESENT(ZYDIS_WIDTH_MAX_VALUE)
} ZydisWidthFlag;
 
typedef enum ZydisMandatoryPrefix_
{
 ZYDIS_MANDATORY_PREFIX_NONE,
 ZYDIS_MANDATORY_PREFIX_66,
 ZYDIS_MANDATORY_PREFIX_F2,
 ZYDIS_MANDATORY_PREFIX_F3,
 
 ZYDIS_MANDATORY_PREFIX_MAX_VALUE = ZYDIS_MANDATORY_PREFIX_F3,
 ZYDIS_MANDATORY_PREFIX_REQUIRED_BITS = ZYAN_BITS_TO_REPRESENT(ZYDIS_MANDATORY_PREFIX_MAX_VALUE)
} ZydisMandatoryPrefix;
 
typedef enum ZydisVectorLength_
{
 ZYDIS_VECTOR_LENGTH_INVALID,
 ZYDIS_VECTOR_LENGTH_128,
 ZYDIS_VECTOR_LENGTH_256,
 ZYDIS_VECTOR_LENGTH_512,
 
 ZYDIS_VECTOR_LENGTH_MAX_VALUE = ZYDIS_VECTOR_LENGTH_512,
 ZYDIS_VECTOR_LENGTH_REQUIRED_BITS = ZYAN_BITS_TO_REPRESENT(ZYDIS_VECTOR_LENGTH_MAX_VALUE)
} ZydisVectorLength;
 
typedef enum ZydisSizeHint_
{
 ZYDIS_SIZE_HINT_NONE,
 ZYDIS_SIZE_HINT_ASZ,
 ZYDIS_SIZE_HINT_OSZ,
 
 ZYDIS_SIZE_HINT_MAX_VALUE = ZYDIS_SIZE_HINT_OSZ,
 ZYDIS_SIZE_HINT_REQUIRED_BITS = ZYAN_BITS_TO_REPRESENT(ZYDIS_SIZE_HINT_MAX_VALUE)
} ZydisSizeHint;
 
typedef struct ZydisEncoderLookupEntry_
{
 ZyanU16 encoder_reference;
 ZyanU8 instruction_count;
} ZydisEncoderLookupEntry;
 
#pragma pack(push, 1)
 
typedef struct ZydisEncodableInstruction_
{
 ZyanU16 instruction_reference;
 ZyanU16 operand_mask;
 ZyanU8 opcode;
 ZyanU8 modrm;
 ZyanU8 encoding ZYAN_BITFIELD(ZYDIS_INSTRUCTION_ENCODING_REQUIRED_BITS);
 ZyanU8 opcode_map ZYAN_BITFIELD(ZYDIS_OPCODE_MAP_REQUIRED_BITS);
 ZyanU8 modes ZYAN_BITFIELD(ZYDIS_WIDTH_REQUIRED_BITS);
 ZyanU8 address_sizes ZYAN_BITFIELD(ZYDIS_WIDTH_REQUIRED_BITS);
 ZyanU8 operand_sizes ZYAN_BITFIELD(ZYDIS_WIDTH_REQUIRED_BITS);
 ZyanU8 mandatory_prefix ZYAN_BITFIELD(ZYDIS_MANDATORY_PREFIX_REQUIRED_BITS);
 ZyanU8 rex_w ZYAN_BITFIELD(1);
 ZyanU8 vector_length ZYAN_BITFIELD(ZYDIS_MANDATORY_PREFIX_REQUIRED_BITS);
 ZyanU8 accepts_hint ZYAN_BITFIELD(ZYDIS_SIZE_HINT_REQUIRED_BITS);
 ZyanU8 swappable ZYAN_BITFIELD(1);
} ZydisEncodableInstruction;
 
#pragma pack(pop)
 
typedef struct ZydisEncoderRelInfo_
{
 ZyanU8 size[3][3];
 ZyanU8 accepts_scaling_hints;
 ZyanBool accepts_branch_hints;
 ZyanBool accepts_bound;
} ZydisEncoderRelInfo;
 
ZyanU8 ZydisGetEncodableInstructions(ZydisMnemonic mnemonic, 
 const ZydisEncodableInstruction **instruction);
 
const ZydisEncoderRelInfo *ZydisGetRelInfo(ZydisMnemonic mnemonic);
 
#endif /* ZYDIS_INTERNAL_ENCODERDATA_H */