dynarmic/externals/zycore/src/API/Process.c

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

  Zyan Core Library (Zycore-C)

  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 <Zycore/Defines.h>
#include <Zycore/API/Process.h>

#ifndef ZYAN_NO_LIBC

#if defined(ZYAN_WINDOWS)
#if   defined(ZYAN_KERNEL)
#      include <wdm.h>
#else
#      include <windows.h>
#endif
#elif defined(ZYAN_POSIX)
#   include <sys/mman.h>
#else
#   error "Unsupported platform detected"
#endif

/* ============================================================================================== */
/* Exported functions                                                                             */
/* ============================================================================================== */

/* ---------------------------------------------------------------------------------------------- */
/* General                                                                                        */
/* ---------------------------------------------------------------------------------------------- */

ZyanStatus ZyanProcessFlushInstructionCache(void* address, ZyanUSize size)
{
#if   defined(ZYAN_WINDOWS)

    if (!FlushInstructionCache(GetCurrentProcess(), address, size))
    {
        return ZYAN_STATUS_BAD_SYSTEMCALL;
    }

#elif defined(ZYAN_POSIX)

    if (msync(address, size, MS_SYNC | MS_INVALIDATE))
    {
        return ZYAN_STATUS_BAD_SYSTEMCALL;
    }

#endif

    return ZYAN_STATUS_SUCCESS;
}

/* ---------------------------------------------------------------------------------------------- */

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

#endif /* ZYAN_NO_LIBC */