root/kern/arch/mips/include/kern/types.h

INCLUDED FROM

   1 /*
   2  * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
   3  *      The President and Fellows of Harvard College.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 #ifndef _KERN_MIPS_TYPES_H_
  31 #define _KERN_MIPS_TYPES_H_
  33 /*
  34  * Machine-dependent types visible to userland.
  35  * (Kernel-only types should go in mips/types.h.)
  36  * 32-bit MIPS version.
  37  *
  38  * See kern/types.h for an explanation of the underscores.
  39  */
  42 /* Sized integer types, with convenient short names */
  43 typedef char      __i8;                 /* 8-bit signed integer */
  44 typedef short     __i16;                /* 16-bit signed integer */
  45 typedef int       __i32;                /* 32-bit signed integer */
  46 typedef long long __i64;                /* 64-bit signed integer */
  48 typedef unsigned char      __u8;        /* 8-bit unsigned integer */
  49 typedef unsigned short     __u16;       /* 16-bit unsigned integer */
  50 typedef unsigned int       __u32;       /* 32-bit unsigned integer */
  51 typedef unsigned long long __u64;       /* 64-bit unsigned integer */
  53 /* Further standard C types */
  54 typedef long __intptr_t;                /* Signed pointer-sized integer */
  55 typedef unsigned long __uintptr_t;      /* Unsigned pointer-sized integer */
  57 /*
  58  * Since we're a 32-bit platform, size_t, ssize_t, and ptrdiff_t can
  59  * correctly be either (unsigned) int or (unsigned) long. However, if we
  60  * don't define it to the same one gcc is using, gcc will get
  61  * upset. If you switch compilers and see otherwise unexplicable type
  62  * errors involving size_t, try changing this.
  63  */
  64 #if 1
  65 typedef unsigned __size_t;              /* Size of a memory region */
  66 typedef int __ssize_t;                  /* Signed type of same size */
  67 typedef int __ptrdiff_t;                /* Difference of two pointers */
  68 #else
  69 typedef unsigned long __size_t;         /* Size of a memory region */
  70 typedef long __ssize_t;                 /* Signed type of same size */
  71 typedef long __ptrdiff_t;               /* Difference of two pointers */
  72 #endif
  74 /* Number of bits per byte. */
  75 #define __CHAR_BIT  8
  78 #endif /* _KERN_MIPS_TYPES_H_ */