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uaccess_64.h

#ifndef __ASM_SH_UACCESS_64_H
#define __ASM_SH_UACCESS_64_H

/*
 * include/asm-sh/uaccess_64.h
 *
 * Copyright (C) 2000, 2001  Paolo Alberelli
 * Copyright (C) 2003, 2004  Paul Mundt
 *
 * User space memory access functions
 *
 * Copyright (C) 1999  Niibe Yutaka
 *
 *  Based on:
 *     MIPS implementation version 1.15 by
 *              Copyright (C) 1996, 1997, 1998 by Ralf Baechle
 *     and i386 version.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */

#define __get_user_size(x,ptr,size,retval)                  \
do {                                            \
      retval = 0;                               \
      switch (size) {                                 \
      case 1:                                         \
            retval = __get_user_asm_b(x, ptr);        \
            break;                                    \
      case 2:                                         \
            retval = __get_user_asm_w(x, ptr);        \
            break;                                    \
      case 4:                                         \
            retval = __get_user_asm_l(x, ptr);        \
            break;                                    \
      case 8:                                         \
            retval = __get_user_asm_q(x, ptr);        \
            break;                                    \
      default:                                  \
            __get_user_unknown();                     \
            break;                                    \
      }                                         \
} while (0)

extern long __get_user_asm_b(void *, long);
extern long __get_user_asm_w(void *, long);
extern long __get_user_asm_l(void *, long);
extern long __get_user_asm_q(void *, long);
extern void __get_user_unknown(void);

#define __put_user_size(x,ptr,size,retval)                  \
do {                                            \
      retval = 0;                               \
      switch (size) {                                 \
      case 1:                                         \
            retval = __put_user_asm_b(x, ptr);        \
            break;                                    \
      case 2:                                         \
            retval = __put_user_asm_w(x, ptr);        \
            break;                                    \
      case 4:                                         \
            retval = __put_user_asm_l(x, ptr);        \
            break;                                    \
      case 8:                                         \
            retval = __put_user_asm_q(x, ptr);        \
            break;                                    \
      default:                                  \
            __put_user_unknown();                     \
      }                                         \
} while (0)

extern long __put_user_asm_b(void *, long);
extern long __put_user_asm_w(void *, long);
extern long __put_user_asm_l(void *, long);
extern long __put_user_asm_q(void *, long);
extern void __put_user_unknown(void);

extern long __strnlen_user(const char *__s, long __n);

#endif /* __ASM_SH_UACCESS_64_H */

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