1 /* 2 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * Borrowed heavily from MIPS 9 */ 10 11 #include <linux/export.h> 12 #include <linux/extable.h> 13 #include <linux/uaccess.h> 14 15 int fixup_exception(struct pt_regs *regs) 16 { 17 const struct exception_table_entry *fixup; 18 19 fixup = search_exception_tables(instruction_pointer(regs)); 20 if (fixup) { 21 regs->ret = fixup->fixup; 22 23 return 1; 24 } 25 26 return 0; 27 } 28 29 #ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE 30 31 unsigned long arc_clear_user_noinline(void __user *to, 32 unsigned long n) 33 { 34 return __arc_clear_user(to, n); 35 } 36 EXPORT_SYMBOL(arc_clear_user_noinline); 37 38 long arc_strncpy_from_user_noinline(char *dst, const char __user *src, 39 long count) 40 { 41 return __arc_strncpy_from_user(dst, src, count); 42 } 43 EXPORT_SYMBOL(arc_strncpy_from_user_noinline); 44 45 long arc_strnlen_user_noinline(const char __user *src, long n) 46 { 47 return __arc_strnlen_user(src, n); 48 } 49 EXPORT_SYMBOL(arc_strnlen_user_noinline); 50 #endif 51