SharedData.h

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/***************************************************************************************************
 
  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.
 
***************************************************************************************************/
 
#ifndef ZYDIS_INTERNAL_SHAREDDATA_H
#define ZYDIS_INTERNAL_SHAREDDATA_H
 
#include <Zydis/Defines.h>
#include <Zydis/Mnemonic.h>
#include <Zydis/Register.h>
#include <Zydis/SharedTypes.h>
#include "Zydis/DecoderTypes.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* ============================================================================================== */
/* 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)
 
/* ---------------------------------------------------------------------------------------------- */
/* Operand definition                                                                             */
/* ---------------------------------------------------------------------------------------------- */
 
typedef ZydisU8 ZydisSemanticOperandType;
 
enum ZydisSemanticOperandTypes
{
    ZYDIS_SEMANTIC_OPTYPE_UNUSED,
    ZYDIS_SEMANTIC_OPTYPE_IMPLICIT_REG,
    ZYDIS_SEMANTIC_OPTYPE_IMPLICIT_MEM,
    ZYDIS_SEMANTIC_OPTYPE_IMPLICIT_IMM1,
    ZYDIS_SEMANTIC_OPTYPE_GPR8,
    ZYDIS_SEMANTIC_OPTYPE_GPR16,
    ZYDIS_SEMANTIC_OPTYPE_GPR32,
    ZYDIS_SEMANTIC_OPTYPE_GPR64,
    ZYDIS_SEMANTIC_OPTYPE_GPR16_32_64,
    ZYDIS_SEMANTIC_OPTYPE_GPR32_32_64,
    ZYDIS_SEMANTIC_OPTYPE_GPR16_32_32,
    ZYDIS_SEMANTIC_OPTYPE_FPR,
    ZYDIS_SEMANTIC_OPTYPE_MMX,
    ZYDIS_SEMANTIC_OPTYPE_XMM,
    ZYDIS_SEMANTIC_OPTYPE_YMM,
    ZYDIS_SEMANTIC_OPTYPE_ZMM,
    ZYDIS_SEMANTIC_OPTYPE_BND,
    ZYDIS_SEMANTIC_OPTYPE_SREG,
    ZYDIS_SEMANTIC_OPTYPE_CR,
    ZYDIS_SEMANTIC_OPTYPE_DR,
    ZYDIS_SEMANTIC_OPTYPE_MASK,
    ZYDIS_SEMANTIC_OPTYPE_MEM,
    ZYDIS_SEMANTIC_OPTYPE_MEM_VSIBX,
    ZYDIS_SEMANTIC_OPTYPE_MEM_VSIBY,
    ZYDIS_SEMANTIC_OPTYPE_MEM_VSIBZ,
    ZYDIS_SEMANTIC_OPTYPE_IMM,
    ZYDIS_SEMANTIC_OPTYPE_REL,
    ZYDIS_SEMANTIC_OPTYPE_PTR,
    ZYDIS_SEMANTIC_OPTYPE_AGEN,
    ZYDIS_SEMANTIC_OPTYPE_MOFFS,
    ZYDIS_SEMANTIC_OPTYPE_MIB
};
 
typedef ZydisU8 ZydisInternalElementType;
 
enum ZydisInternalElementTypes
{
    ZYDIS_IELEMENT_TYPE_INVALID,
    ZYDIS_IELEMENT_TYPE_VARIABLE,
    ZYDIS_IELEMENT_TYPE_STRUCT,
    ZYDIS_IELEMENT_TYPE_INT,
    ZYDIS_IELEMENT_TYPE_UINT,
    ZYDIS_IELEMENT_TYPE_INT1,
    ZYDIS_IELEMENT_TYPE_INT8,
    ZYDIS_IELEMENT_TYPE_INT16,
    ZYDIS_IELEMENT_TYPE_INT32,
    ZYDIS_IELEMENT_TYPE_INT64,
    ZYDIS_IELEMENT_TYPE_UINT8,
    ZYDIS_IELEMENT_TYPE_UINT16,
    ZYDIS_IELEMENT_TYPE_UINT32,
    ZYDIS_IELEMENT_TYPE_UINT64,
    ZYDIS_IELEMENT_TYPE_UINT128,
    ZYDIS_IELEMENT_TYPE_UINT256,
    ZYDIS_IELEMENT_TYPE_FLOAT16,
    ZYDIS_IELEMENT_TYPE_FLOAT32,
    ZYDIS_IELEMENT_TYPE_FLOAT64,
    ZYDIS_IELEMENT_TYPE_FLOAT80,
    ZYDIS_IELEMENT_TYPE_BCD80
};
 
typedef struct ZydisOperandDefinition_
{
    ZydisSemanticOperandType type           ZYDIS_BITFIELD(5);
    ZydisOperandVisibility visibility       ZYDIS_BITFIELD(2);
    ZydisOperandAction action               ZYDIS_BITFIELD(3);
    ZydisU16 size[3];
    ZydisInternalElementType elementType    ZYDIS_BITFIELD(5);
    union
    {
        ZydisOperandEncoding encoding;
        struct
        {
            ZydisU8 type                    ZYDIS_BITFIELD(3);
            union
            {
                ZydisRegister reg           ZYDIS_BITFIELD(ZYDIS_REGISTER_MIN_BITS);
                ZydisU8 id                  ZYDIS_BITFIELD(6);
            } reg;
        } reg;
        struct
        {
            ZydisU8 seg                     ZYDIS_BITFIELD(3);
            ZydisU8 base                    ZYDIS_BITFIELD(3);
        } mem;
    } op;
} ZydisOperandDefinition;
 
enum ZydisImplicitRegisterType
{
    ZYDIS_IMPLREG_TYPE_STATIC,
    ZYDIS_IMPLREG_TYPE_GPR_OSZ,
    ZYDIS_IMPLREG_TYPE_GPR_ASZ,
    ZYDIS_IMPLREG_TYPE_GPR_SSZ,
    ZYDIS_IMPLREG_TYPE_IP_ASZ,
    ZYDIS_IMPLREG_TYPE_IP_SSZ,
    ZYDIS_IMPLREG_TYPE_FLAGS_SSZ
};
 
enum ZydisImplicitMemBase
{
    ZYDIS_IMPLMEM_BASE_ABX,
    ZYDIS_IMPLMEM_BASE_ASP,
    ZYDIS_IMPLMEM_BASE_ABP,
    ZYDIS_IMPLMEM_BASE_ASI,
    ZYDIS_IMPLMEM_BASE_ADI
};
 
/* ---------------------------------------------------------------------------------------------- */
/* Instruction definition                                                                         */
/* ---------------------------------------------------------------------------------------------- */
 
typedef ZydisU8 ZydisRegisterConstraint;
 
enum ZydisRegisterConstraints
{
    ZYDIS_REG_CONSTRAINTS_UNUSED,
    ZYDIS_REG_CONSTRAINTS_NONE,
    ZYDIS_REG_CONSTRAINTS_GPR,
    ZYDIS_REG_CONSTRAINTS_SR_DEST,
    ZYDIS_REG_CONSTRAINTS_SR,
    ZYDIS_REG_CONSTRAINTS_CR,
    ZYDIS_REG_CONSTRAINTS_DR,
    ZYDIS_REG_CONSTRAINTS_MASK,
    ZYDIS_REG_CONSTRAINTS_BND,
    ZYDIS_REG_CONSTRAINTS_VSIB,
 
    ZYDIS_REG_CONSTRAINTS_MAX_VALUE = ZYDIS_REG_CONSTRAINTS_VSIB,
    ZYDIS_REG_CONSTRAINTS_MIN_BITS  = 4
};
 
/* ---------------------------------------------------------------------------------------------- */
 
typedef ZydisU8 ZydisInternalVectorLength;
 
enum ZydisInternalVectorLengths
{
    ZYDIS_IVECTOR_LENGTH_DEFAULT,
    ZYDIS_IVECTOR_LENGTH_FIXED_128,
    ZYDIS_IVECTOR_LENGTH_FIXED_256,
    ZYDIS_IVECTOR_LENGTH_FIXED_512
};
 
/* ---------------------------------------------------------------------------------------------- */
 
typedef ZydisU8 ZydisInternalElementSize;
 
enum ZydisInternalElementSizes
{
    ZYDIS_IELEMENT_SIZE_INVALID,
    ZYDIS_IELEMENT_SIZE_8,
    ZYDIS_IELEMENT_SIZE_16,
    ZYDIS_IELEMENT_SIZE_32,
    ZYDIS_IELEMENT_SIZE_64,
    ZYDIS_IELEMENT_SIZE_128,
 
    ZYDIS_IELEMENT_SIZE_MAX_VALUE = ZYDIS_IELEMENT_SIZE_128
};
 
/* ---------------------------------------------------------------------------------------------- */
 
typedef ZydisU8 ZydisEVEXFunctionality;
 
enum ZydisEVEXFunctionalities
{
    ZYDIS_EVEX_FUNC_INVALID,
    ZYDIS_EVEX_FUNC_BC,
    ZYDIS_EVEX_FUNC_RC,
    ZYDIS_EVEX_FUNC_SAE
};
 
/* ---------------------------------------------------------------------------------------------- */
 
typedef ZydisU8 ZydisEVEXTupleType;
 
enum ZydisEVEXTupleTypes
{
    ZYDIS_TUPLETYPE_INVALID,
    ZYDIS_TUPLETYPE_FV,
    ZYDIS_TUPLETYPE_HV,
    ZYDIS_TUPLETYPE_FVM,
    ZYDIS_TUPLETYPE_T1S,
    ZYDIS_TUPLETYPE_T1F,
    ZYDIS_TUPLETYPE_T1_4X,
    ZYDIS_TUPLETYPE_GSCAT,
    ZYDIS_TUPLETYPE_T2,
    ZYDIS_TUPLETYPE_T4,
    ZYDIS_TUPLETYPE_T8,
    ZYDIS_TUPLETYPE_HVM,
    ZYDIS_TUPLETYPE_QVM,
    ZYDIS_TUPLETYPE_OVM,
    ZYDIS_TUPLETYPE_M128,
    ZYDIS_TUPLETYPE_DUP
};
 
/* ---------------------------------------------------------------------------------------------- */
 
typedef ZydisU8 ZydisMVEXFunctionality;
 
enum ZydisMVEXFunctionalities
{
    ZYDIS_MVEX_FUNC_IGNORED,
    ZYDIS_MVEX_FUNC_INVALID,
    ZYDIS_MVEX_FUNC_RC,
    ZYDIS_MVEX_FUNC_SAE,
    ZYDIS_MVEX_FUNC_F_32,
    ZYDIS_MVEX_FUNC_I_32,
    ZYDIS_MVEX_FUNC_F_64,
    ZYDIS_MVEX_FUNC_I_64,
    ZYDIS_MVEX_FUNC_SWIZZLE_32,
    ZYDIS_MVEX_FUNC_SWIZZLE_64,
    ZYDIS_MVEX_FUNC_SF_32,
    ZYDIS_MVEX_FUNC_SF_32_BCST,
    ZYDIS_MVEX_FUNC_SF_32_BCST_4TO16,
    ZYDIS_MVEX_FUNC_SF_64,
    ZYDIS_MVEX_FUNC_SI_32,
    ZYDIS_MVEX_FUNC_SI_32_BCST,
    ZYDIS_MVEX_FUNC_SI_32_BCST_4TO16,
    ZYDIS_MVEX_FUNC_SI_64,
    ZYDIS_MVEX_FUNC_UF_32,
    ZYDIS_MVEX_FUNC_UF_64,
    ZYDIS_MVEX_FUNC_UI_32,
    ZYDIS_MVEX_FUNC_UI_64,
    ZYDIS_MVEX_FUNC_DF_32,
    ZYDIS_MVEX_FUNC_DF_64,
    ZYDIS_MVEX_FUNC_DI_32,
    ZYDIS_MVEX_FUNC_DI_64
};
 
/* ---------------------------------------------------------------------------------------------- */
 
typedef ZydisU8 ZydisVEXStaticBroadcast;
 
enum ZydisVEXStaticBroadcasts
{
    ZYDIS_VEX_STATIC_BROADCAST_NONE,
    ZYDIS_VEX_STATIC_BROADCAST_1_TO_2,
    ZYDIS_VEX_STATIC_BROADCAST_1_TO_4,
    ZYDIS_VEX_STATIC_BROADCAST_1_TO_8,
    ZYDIS_VEX_STATIC_BROADCAST_1_TO_16,
    ZYDIS_VEX_STATIC_BROADCAST_1_TO_32,
    ZYDIS_VEX_STATIC_BROADCAST_2_TO_4,
 
    ZYDIS_VEX_STATIC_BROADCAST_MAX_VALUE = ZYDIS_VEX_STATIC_BROADCAST_2_TO_4
};
 
/* ---------------------------------------------------------------------------------------------- */
 
typedef ZydisU8 ZydisEVEXStaticBroadcast;
 
enum ZydisEVEXStaticBroadcasts
{
    ZYDIS_EVEX_STATIC_BROADCAST_NONE,
    ZYDIS_EVEX_STATIC_BROADCAST_1_TO_2,
    ZYDIS_EVEX_STATIC_BROADCAST_1_TO_4,
    ZYDIS_EVEX_STATIC_BROADCAST_1_TO_8,
    ZYDIS_EVEX_STATIC_BROADCAST_1_TO_16,
    ZYDIS_EVEX_STATIC_BROADCAST_1_TO_32,
    ZYDIS_EVEX_STATIC_BROADCAST_1_TO_64,
    ZYDIS_EVEX_STATIC_BROADCAST_2_TO_4,
    ZYDIS_EVEX_STATIC_BROADCAST_2_TO_8,
    ZYDIS_EVEX_STATIC_BROADCAST_2_TO_16,
    ZYDIS_EVEX_STATIC_BROADCAST_4_TO_8,
    ZYDIS_EVEX_STATIC_BROADCAST_4_TO_16,
    ZYDIS_EVEX_STATIC_BROADCAST_8_TO_16,
 
    ZYDIS_EVEX_STATIC_BROADCAST_MAX_VALUE = ZYDIS_EVEX_STATIC_BROADCAST_8_TO_16
};
 
/* ---------------------------------------------------------------------------------------------- */
 
typedef ZydisU8 ZydisMVEXStaticBroadcast;
 
enum ZydisMVEXStaticBroadcasts
{
    ZYDIS_MVEX_STATIC_BROADCAST_NONE,
    ZYDIS_MVEX_STATIC_BROADCAST_1_TO_8,
    ZYDIS_MVEX_STATIC_BROADCAST_1_TO_16,
    ZYDIS_MVEX_STATIC_BROADCAST_4_TO_8,
    ZYDIS_MVEX_STATIC_BROADCAST_4_TO_16
};
 
/* ---------------------------------------------------------------------------------------------- */
 
typedef ZydisU8 ZydisMaskPolicy;
 
enum ZydisMaskPolicies
{
    ZYDIS_MASK_POLICY_INVALID,
    ZYDIS_MASK_POLICY_ALLOWED,
    ZYDIS_MASK_POLICY_REQUIRED,
    ZYDIS_MASK_POLICY_FORBIDDEN
};
 
/* ---------------------------------------------------------------------------------------------- */
 
#define ZYDIS_INSTRUCTION_DEFINITION_BASE \
    ZydisMnemonic mnemonic                  ZYDIS_BITFIELD(ZYDIS_MNEMONIC_MIN_BITS); \
    ZydisU8 operandCount                    ZYDIS_BITFIELD( 4); \
    ZydisU16 operandReference               ZYDIS_BITFIELD(15); \
    ZydisU8 operandSizeMap                  ZYDIS_BITFIELD( 3); \
    ZydisU8 flagsReference                  ZYDIS_BITFIELD( 7); \
    ZydisBool requiresProtectedMode         ZYDIS_BITFIELD( 1); \
    ZydisBool acceptsAddressSizeOverride    ZYDIS_BITFIELD( 1); \
    ZydisInstructionCategory category       ZYDIS_BITFIELD(ZYDIS_CATEGORY_MIN_BITS); \
    ZydisISASet isaSet                      ZYDIS_BITFIELD(ZYDIS_ISA_SET_MIN_BITS); \
    ZydisISAExt isaExt                      ZYDIS_BITFIELD(ZYDIS_ISA_EXT_MIN_BITS); \
    ZydisExceptionClass exceptionClass      ZYDIS_BITFIELD( 6); \
    ZydisRegisterConstraint constrREG       ZYDIS_BITFIELD(ZYDIS_REG_CONSTRAINTS_MIN_BITS); \
    ZydisRegisterConstraint constrRM        ZYDIS_BITFIELD(ZYDIS_REG_CONSTRAINTS_MIN_BITS)
 
#define ZYDIS_INSTRUCTION_DEFINITION_BASE_VECTOR \
    ZYDIS_INSTRUCTION_DEFINITION_BASE; \
    ZydisRegisterConstraint constrNDSNDD    ZYDIS_BITFIELD(ZYDIS_REG_CONSTRAINTS_MIN_BITS)
 
#define ZYDIS_INSTRUCTION_DEFINITION_BASE_VECTOR_INTEL \
    ZYDIS_INSTRUCTION_DEFINITION_BASE_VECTOR; \
    ZydisBool isGather                      ZYDIS_BITFIELD( 1)
 
typedef struct ZydisInstructionDefinition_
{
    ZYDIS_INSTRUCTION_DEFINITION_BASE;
} ZydisInstructionDefinition;
 
typedef struct ZydisInstructionDefinitionDEFAULT_
{
    ZYDIS_INSTRUCTION_DEFINITION_BASE;
    ZydisBool isPrivileged                  ZYDIS_BITFIELD( 1);
    ZydisBool isFarBranch                   ZYDIS_BITFIELD( 1);
    ZydisBool acceptsLOCK                   ZYDIS_BITFIELD( 1);
    ZydisBool acceptsREP                    ZYDIS_BITFIELD( 1);
    ZydisBool acceptsREPEREPZ               ZYDIS_BITFIELD( 1);
    ZydisBool acceptsREPNEREPNZ             ZYDIS_BITFIELD( 1);
    ZydisBool acceptsBOUND                  ZYDIS_BITFIELD( 1);
    ZydisBool acceptsXACQUIRE               ZYDIS_BITFIELD( 1);
    ZydisBool acceptsXRELEASE               ZYDIS_BITFIELD( 1);
    ZydisBool acceptsHLEWithoutLock         ZYDIS_BITFIELD( 1);
    ZydisBool acceptsBranchHints            ZYDIS_BITFIELD( 1);
    ZydisBool acceptsSegment                ZYDIS_BITFIELD( 1);
} ZydisInstructionDefinitionDEFAULT;
 
typedef struct ZydisInstructionDefinition3DNOW_
{
    ZYDIS_INSTRUCTION_DEFINITION_BASE;
} ZydisInstructionDefinition3DNOW;
 
typedef struct ZydisInstructionDefinitionXOP_
{
    ZYDIS_INSTRUCTION_DEFINITION_BASE_VECTOR;
} ZydisInstructionDefinitionXOP;
 
typedef struct ZydisInstructionDefinitionVEX_
{
    ZYDIS_INSTRUCTION_DEFINITION_BASE_VECTOR_INTEL;
    ZydisVEXStaticBroadcast broadcast       ZYDIS_BITFIELD( 3);
} ZydisInstructionDefinitionVEX;
 
#ifndef ZYDIS_DISABLE_EVEX
typedef struct ZydisInstructionDefinitionEVEX_
{
    ZYDIS_INSTRUCTION_DEFINITION_BASE_VECTOR_INTEL;
    ZydisInternalVectorLength vectorLength  ZYDIS_BITFIELD( 2);
    ZydisEVEXTupleType tupleType            ZYDIS_BITFIELD( 4);
    ZydisInternalElementSize elementSize    ZYDIS_BITFIELD( 3);
    ZydisEVEXFunctionality functionality    ZYDIS_BITFIELD( 2);
    ZydisMaskPolicy maskPolicy              ZYDIS_BITFIELD( 2);
    ZydisBool acceptsZeroMask               ZYDIS_BITFIELD( 1);
    ZydisBool isControlMask                 ZYDIS_BITFIELD( 1);
    ZydisEVEXStaticBroadcast broadcast      ZYDIS_BITFIELD( 4);
} ZydisInstructionDefinitionEVEX;
#endif
 
#ifndef ZYDIS_DISABLE_MVEX
typedef struct ZydisInstructionDefinitionMVEX_
{
    ZYDIS_INSTRUCTION_DEFINITION_BASE_VECTOR_INTEL;
    ZydisMVEXFunctionality functionality    ZYDIS_BITFIELD( 5);
    ZydisMaskPolicy maskPolicy              ZYDIS_BITFIELD( 2);
    ZydisBool hasElementGranularity         ZYDIS_BITFIELD( 1);
    ZydisMVEXStaticBroadcast broadcast      ZYDIS_BITFIELD( 3);
} ZydisInstructionDefinitionMVEX;
#endif
 
/* ---------------------------------------------------------------------------------------------- */
/* Accessed CPU flags                                                                             */
/* ---------------------------------------------------------------------------------------------- */
 
typedef struct ZydisAccessedFlags_
{
    ZydisCPUFlagAction action[ZYDIS_CPUFLAG_MAX_VALUE + 1];
} ZydisAccessedFlags;
 
/* ---------------------------------------------------------------------------------------------- */
 
#pragma pack(pop)
 
#ifdef ZYDIS_MSVC
#   pragma warning(pop)
#endif
 
/* ============================================================================================== */
/* Functions                                                                                      */
/* ============================================================================================== */
 
/* ---------------------------------------------------------------------------------------------- */
/* Instruction definition                                                                         */
/* ---------------------------------------------------------------------------------------------- */
 
ZYDIS_NO_EXPORT void ZydisGetInstructionDefinition(ZydisInstructionEncoding encoding,
    ZydisU16 id, const ZydisInstructionDefinition** definition);
 
/* ---------------------------------------------------------------------------------------------- */
/* Operand definition                                                                             */
/* ---------------------------------------------------------------------------------------------- */
 
ZYDIS_NO_EXPORT ZydisU8 ZydisGetOperandDefinitions(const ZydisInstructionDefinition* definition,
    const ZydisOperandDefinition** operand);
 
/* ---------------------------------------------------------------------------------------------- */
/* Element info                                                                                   */
/* ---------------------------------------------------------------------------------------------- */
 
ZYDIS_NO_EXPORT void ZydisGetElementInfo(ZydisInternalElementType element, ZydisElementType* type,
    ZydisElementSize* size);
 
/* ---------------------------------------------------------------------------------------------- */
/* Accessed CPU flags                                                                             */
/* ---------------------------------------------------------------------------------------------- */
 
ZYDIS_NO_EXPORT void ZydisGetAccessedFlags(const ZydisInstructionDefinition* definition,
    const ZydisAccessedFlags** flags);
 
/* ---------------------------------------------------------------------------------------------- */
 
/* ============================================================================================== */
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZYDIS_INTERNAL_SHAREDDATA_H */