ubuntu-linux-kernel/arch/arc/mm/extable.c

51 lines
1.1 KiB
C

/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Borrowed heavily from MIPS
*/
#include <linux/export.h>
#include <linux/extable.h>
#include <linux/uaccess.h>
int fixup_exception(struct pt_regs *regs)
{
const struct exception_table_entry *fixup;
fixup = search_exception_tables(instruction_pointer(regs));
if (fixup) {
regs->ret = fixup->fixup;
return 1;
}
return 0;
}
#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
unsigned long arc_clear_user_noinline(void __user *to,
unsigned long n)
{
return __arc_clear_user(to, n);
}
EXPORT_SYMBOL(arc_clear_user_noinline);
long arc_strncpy_from_user_noinline(char *dst, const char __user *src,
long count)
{
return __arc_strncpy_from_user(dst, src, count);
}
EXPORT_SYMBOL(arc_strncpy_from_user_noinline);
long arc_strnlen_user_noinline(const char __user *src, long n)
{
return __arc_strnlen_user(src, n);
}
EXPORT_SYMBOL(arc_strnlen_user_noinline);
#endif