1 #ifndef _ASM_UACCESS_H 2 #define _ASM_UACCESS_H 3 4 #include <linux/sched.h> 5 #include <asm/errno.h> 6 #include <asm/memory.h> 7 #include <asm/system.h> 8 9 #define VERIFY_READ 0 10 #define VERIFY_WRITE 1 11 12 struct exception_table_entry 13 { 14 unsigned long insn, fixup; 15 }; 16 17 #define KERNEL_DS 0x00000000 18 #define get_ds() (KERNEL_DS) 19 20 #define USER_DS KERNEL_DS 21 22 #define segment_eq(a,b) (1) 23 #define __addr_ok(addr) (1) 24 #define __range_ok(addr,size) (0) 25 #define get_fs() (KERNEL_DS) 26 27 #define get_user(x,p) 28 #define put_user(x,p) 29 #define access_ok(type,addr,size) (__range_ok(addr,size) == 0) 30 #define __copy_from_user(to,from,n) (memcpy(to, (void __force *)from, n), 0) 31 #define __copy_to_user(to,from,n) (memcpy((void __force *)to, from, n), 0) 32 #define __clear_user(addr,n) (memset((void __force *)addr, 0, n), 0) 33 34 #define __copy_to_user_inatomic __copy_to_user 35 #define __copy_from_user_inatomic __copy_from_user 36 #define strlen_user(s) strnlen_user(s, ~0UL >> 1) 37 #endif 38
