/***************************************************************************************************

  Zyan Disassembler Library (Zydis)

  Original Author : Florian Bernd, Joel Höner

 * 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.

***************************************************************************************************/

/**
 * @file
 * @brief Includes and defines some default datatypes.
 */

#ifndef ZYDIS_COMMONTYPES_H
#define ZYDIS_COMMONTYPES_H

#include <Zydis/Defines.h>

/* ============================================================================================== */
/* Integer types                                                                                  */
/* ============================================================================================== */

#if !defined(ZYDIS_NO_LIBC)
    // If is LibC present, we use stdint types.
#   include <stdint.h>
#   include <stddef.h>
    typedef uint8_t   ZydisU8;
    typedef uint16_t  ZydisU16;
    typedef uint32_t  ZydisU32;
    typedef uint64_t  ZydisU64;
    typedef int8_t    ZydisI8;
    typedef int16_t   ZydisI16;
    typedef int32_t   ZydisI32;
    typedef int64_t   ZydisI64;
    typedef size_t    ZydisUSize;
    typedef ptrdiff_t ZydisISize;
#else 
    // No LibC, use compiler built-in types / macros.
#   if defined(ZYDIS_MSVC)
        typedef unsigned __int8     ZydisU8;
        typedef unsigned __int16    ZydisU16;
        typedef unsigned __int32    ZydisU32;
        typedef unsigned __int64    ZydisU64;
        typedef __int8              ZydisI8;
        typedef __int16             ZydisI16;
        typedef __int32             ZydisI32;
        typedef __int64             ZydisI64;
#       if _WIN64
           typedef ZydisU64         ZydisUSize;
           typedef ZydisI64         ZydisISize;
#       else
           typedef ZydisU32         ZydisUSize;
           typedef ZydisI32         ZydisISize;
#       endif
#   elif defined(ZYDIS_GNUC)
        typedef __UINT8_TYPE__      ZydisU8;
        typedef __UINT16_TYPE__     ZydisU16;
        typedef __UINT32_TYPE__     ZydisU32;
        typedef __UINT64_TYPE__     ZydisU64;
        typedef __INT8_TYPE__       ZydisI8;
        typedef __INT16_TYPE__      ZydisI16;
        typedef __INT32_TYPE__      ZydisI32;
        typedef __INT64_TYPE__      ZydisI64;
        typedef __SIZE_TYPE__       ZydisUSize;
        typedef __PTRDIFF_TYPE__    ZydisISize;
#   else
#       error "Unsupported compiler for no-libc mode."
#   endif
#endif

// Verify assumptions.
ZYDIS_STATIC_ASSERT(sizeof(ZydisU8)  == 1);
ZYDIS_STATIC_ASSERT(sizeof(ZydisU16) == 2);
ZYDIS_STATIC_ASSERT(sizeof(ZydisU32) == 4);
ZYDIS_STATIC_ASSERT(sizeof(ZydisU64) == 8);
ZYDIS_STATIC_ASSERT(sizeof(ZydisI8)  == 1);
ZYDIS_STATIC_ASSERT(sizeof(ZydisI16) == 2);
ZYDIS_STATIC_ASSERT(sizeof(ZydisI32) == 4);
ZYDIS_STATIC_ASSERT(sizeof(ZydisI64) == 8);
ZYDIS_STATIC_ASSERT(sizeof(ZydisUSize) == sizeof(ZydisISize));

/* ============================================================================================== */
/* NULL                                                                                           */
/* ============================================================================================== */

#define ZYDIS_NULL ((void*)0)

/* ============================================================================================== */
/* Boolean                                                                                        */
/* ============================================================================================== */

#define ZYDIS_FALSE 0
#define ZYDIS_TRUE  1

/**
 * @briefs  Defines the @c ZydisBool datatype.
 */
typedef ZydisU8 ZydisBool;

/* ============================================================================================== */

#endif /* ZYDIS_COMMONTYPES_H */