tools/mingw_support.h

   1 /*
   2  * Copyright 2008 Extreme Engineering Solutions, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this software; if not, write to the
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #ifndef __MINGW_SUPPORT_H_
  20 #define __WINGW_SUPPORT_H_      1
  21
  22 /* Defining __INSIDE_MSYS__ helps to prevent u-boot/mingw overlap */
  23 #define __INSIDE_MSYS__ 1
  24
  25 #include <windows.h>
  26
  27 /* mmap protections */
  28 #define PROT_READ       0x1             /* Page can be read */
  29 #define PROT_WRITE      0x2             /* Page can be written */
  30 #define PROT_EXEC       0x4             /* Page can be executed */
  31 #define PROT_NONE       0x0             /* Page can not be accessed */
  32
  33 /* Sharing types (must choose one and only one of these) */
  34 #define MAP_SHARED      0x01            /* Share changes */
  35 #define MAP_PRIVATE     0x02            /* Changes are private */
  36
  37 /* Return value of `mmap' in case of an error */
  38 #define MAP_FAILED      ((void *) -1)
  39
  40 /* Windows 64-bit access macros */
  41 #define LODWORD(x) ((DWORD)((DWORDLONG)(x)))
  42 #define HIDWORD(x) ((DWORD)(((DWORDLONG)(x) >> 32) & 0xffffffff))
  43
  44 typedef UINT    uint;
  45 typedef ULONG   ulong;
  46
  47 int fsync(int fd);
  48 void *mmap(void *, size_t, int, int, int, int);
  49 int munmap(void *, size_t);
  50
  51 #endif /* __MINGW_SUPPORT_H_ */