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- #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((void *)&x, \
- (long)ptr); \
- break; \
- case 2: \
- retval = __get_user_asm_w((void *)&x, \
- (long)ptr); \
- break; \
- case 4: \
- retval = __get_user_asm_l((void *)&x, \
- (long)ptr); \
- break; \
- case 8: \
- retval = __get_user_asm_q((void *)&x, \
- (long)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((void *)&x, \
- (long)ptr); \
- break; \
- case 2: \
- retval = __put_user_asm_w((void *)&x, \
- (long)ptr); \
- break; \
- case 4: \
- retval = __put_user_asm_l((void *)&x, \
- (long)ptr); \
- break; \
- case 8: \
- retval = __put_user_asm_q((void *)&x, \
- (long)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);
- extern int __strncpy_from_user(unsigned long __dest,
- unsigned long __user __src, int __count);
- #endif /* __ASM_SH_UACCESS_64_H */
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