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/module.h> 12 #include <linux/uaccess.h> 13 14 int fixup_exception(struct pt_regs *regs) 15 { 16 const struct exception_table_entry *fixup; 17 18 fixup = search_exception_tables(instruction_pointer(regs)); 19 if (fixup) { 20 regs->ret = fixup->fixup; 21 22 return 1; 23 } 24 25 return 0; 26 } 27 28 #ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE 29 30 long arc_copy_from_user_noinline(void *to, const void __user *from, 31 unsigned long n) 32 { 33 return __arc_copy_from_user(to, from, n); 34 } 35 EXPORT_SYMBOL(arc_copy_from_user_noinline); 36 37 long arc_copy_to_user_noinline(void __user *to, const void *from, 38 unsigned long n) 39 { 40 return __arc_copy_to_user(to, from, n); 41 } 42 EXPORT_SYMBOL(arc_copy_to_user_noinline); 43 44 unsigned long arc_clear_user_noinline(void __user *to, 45 unsigned long n) 46 { 47 return __arc_clear_user(to, n); 48 } 49 EXPORT_SYMBOL(arc_clear_user_noinline); 50 51 long arc_strncpy_from_user_noinline(char *dst, const char __user *src, 52 long count) 53 { 54 return __arc_strncpy_from_user(dst, src, count); 55 } 56 EXPORT_SYMBOL(arc_strncpy_from_user_noinline); 57 58 long arc_strnlen_user_noinline(const char __user *src, long n) 59 { 60 return __arc_strnlen_user(src, n); 61 } 62 EXPORT_SYMBOL(arc_strnlen_user_noinline); 63 #endif 64