1 /* 2 * Copyright (c) 2023 Institute of Parallel And Distributed Systems (IPADS), Shanghai Jiao Tong University (SJTU) 3 * Licensed under the Mulan PSL v2. 4 * You can use this software according to the terms and conditions of the Mulan PSL v2. 5 * You may obtain a copy of Mulan PSL v2 at: 6 * http://license.coscl.org.cn/MulanPSL2 7 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR 8 * IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR 9 * PURPOSE. 10 * See the Mulan PSL v2 for more details. 11 */ 12 #ifndef MM_EXTABLE_H 13 #define MM_EXTABLE_H 14 15 #include <common/types.h> 16 17 struct exception_table_entry { 18 vaddr_t insn, fixup; 19 }; 20 21 extern struct exception_table_entry *_extable_start; 22 extern struct exception_table_entry *_extable_end; 23 24 const struct exception_table_entry *search_extable(vaddr_t addr); 25 26 bool fixup_exception(vaddr_t address, vaddr_t *fix_addr); 27 28 #endif /* MM_EXTABLE_H */