| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 ARM Ltd. |
| 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 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 15 | */ |
| 16 | #ifndef __ASM_PTDUMP_H |
| 17 | #define __ASM_PTDUMP_H |
| 18 | |
| 19 | #ifdef CONFIG_ARM64_PTDUMP_CORE |
| 20 | |
| 21 | #include <linux/mm_types.h> |
| 22 | #include <linux/seq_file.h> |
| 23 | |
| 24 | struct addr_marker { |
| 25 | unsigned long start_address; |
| 26 | char *name; |
| 27 | }; |
| 28 | |
| 29 | struct ptdump_info { |
| 30 | struct mm_struct *mm; |
| 31 | const struct addr_marker *markers; |
| 32 | unsigned long base_addr; |
| 33 | }; |
| 34 | |
| 35 | void ptdump_walk_pgd(struct seq_file *s, struct ptdump_info *info); |
| 36 | #ifdef CONFIG_ARM64_PTDUMP_DEBUGFS |
| 37 | int ptdump_debugfs_register(struct ptdump_info *info, const char *name); |
| 38 | #else |
| 39 | static inline int ptdump_debugfs_register(struct ptdump_info *info, |
| 40 | const char *name) |
| 41 | { |
| 42 | return 0; |
| 43 | } |
| 44 | #endif |
| 45 | void ptdump_check_wx(void); |
| 46 | #endif /* CONFIG_ARM64_PTDUMP_CORE */ |
| 47 | |
| 48 | #ifdef CONFIG_DEBUG_WX |
| 49 | #define debug_checkwx() ptdump_check_wx() |
| 50 | #else |
| 51 | #define debug_checkwx() do { } while (0) |
| 52 | #endif |
| 53 | |
| 54 | #endif /* __ASM_PTDUMP_H */ |