55 lines
3.3 KiB
C
55 lines
3.3 KiB
C
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef __ASM_SH_UACCESS_H
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#define __ASM_SH_UACCESS_H
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#include <linux/errno.h>
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#include <linux/sched.h>
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#include <asm/segment.h>
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#define VERIFY_READ 0
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#define VERIFY_WRITE 1
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#define __addr_ok(addr) ((unsigned long __force)(addr) < current_thread_info()->addr_limit.seg)
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#define __access_ok(addr, size) (__addr_ok((addr) + (size)))
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#define access_ok(type, addr, size) (__chk_user_ptr(addr), __access_ok((unsigned long __force)(addr), (size)))
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#define put_user(x,ptr) __put_user_check((x), (ptr), sizeof(*(ptr)))
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#define get_user(x,ptr) __get_user_check((x), (ptr), sizeof(*(ptr)))
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#define __put_user(x,ptr) __put_user_nocheck((x), (ptr), sizeof(*(ptr)))
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#define __get_user(x,ptr) __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
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struct __large_struct { unsigned long buf[100]; };
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#define __m(x) (*(struct __large_struct __user *)(x))
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#define __get_user_nocheck(x,ptr,size) ({ long __gu_err; unsigned long __gu_val; const __typeof__(*(ptr)) __user *__gu_addr = (ptr); __chk_user_ptr(ptr); __get_user_size(__gu_val, __gu_addr, (size), __gu_err); (x) = (__typeof__(*(ptr)))__gu_val; __gu_err; })
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#define __get_user_check(x,ptr,size) ({ long __gu_err = -EFAULT; unsigned long __gu_val = 0; const __typeof__(*(ptr)) *__gu_addr = (ptr); if (likely(access_ok(VERIFY_READ, __gu_addr, (size)))) __get_user_size(__gu_val, __gu_addr, (size), __gu_err); (x) = (__typeof__(*(ptr)))__gu_val; __gu_err; })
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#define __put_user_nocheck(x,ptr,size) ({ long __pu_err; __typeof__(*(ptr)) __user *__pu_addr = (ptr); __typeof__(*(ptr)) __pu_val = x; __chk_user_ptr(ptr); __put_user_size(__pu_val, __pu_addr, (size), __pu_err); __pu_err; })
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#define __put_user_check(x,ptr,size) ({ long __pu_err = -EFAULT; __typeof__(*(ptr)) __user *__pu_addr = (ptr); __typeof__(*(ptr)) __pu_val = x; if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) __put_user_size(__pu_val, __pu_addr, (size), __pu_err); __pu_err; })
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#include "uaccess_32.h"
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#define __copy_to_user_inatomic __copy_to_user
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#define __copy_from_user_inatomic __copy_from_user
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#define clear_user(addr,n) ({ void __user * __cl_addr = (addr); unsigned long __cl_size = (n); if (__cl_size && access_ok(VERIFY_WRITE, ((unsigned long)(__cl_addr)), __cl_size)) __cl_size = __clear_user(__cl_addr, __cl_size); __cl_size; })
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#define strncpy_from_user(dest,src,count) ({ unsigned long __sfu_src = (unsigned long)(src); int __sfu_count = (int)(count); long __sfu_res = -EFAULT; if (__access_ok(__sfu_src, __sfu_count)) __sfu_res = __strncpy_from_user((unsigned long)(dest), __sfu_src, __sfu_count); __sfu_res; })
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#define strlen_user(str) strnlen_user(str, ~0UL >> 1)
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#endif
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