Upstream | cc2ee17 | 1970-01-12 13:46:40 +0000 | [diff] [blame] | 1 | /** |
| 2 | * @file opd_anon.h |
| 3 | * Anonymous region handling. |
| 4 | * |
| 5 | * @remark Copyright 2005 OProfile authors |
| 6 | * @remark Read the file COPYING |
| 7 | * |
| 8 | * @author John Levon |
| 9 | */ |
| 10 | |
| 11 | #ifndef OPD_ANON_H |
| 12 | #define OPD_ANON_H |
| 13 | |
| 14 | #include "op_types.h" |
| 15 | #include "op_list.h" |
| 16 | |
| 17 | #include "opd_cookie.h" |
| 18 | |
| 19 | #include <sys/types.h> |
| 20 | |
| 21 | struct transient; |
| 22 | |
| 23 | /** |
| 24 | * Shift useful bits into play for VMA hashing. |
| 25 | */ |
| 26 | #define VMA_SHIFT 13 |
| 27 | |
| 28 | struct anon_mapping { |
| 29 | /** start of the mapping */ |
| 30 | vma_t start; |
| 31 | /** end of the mapping */ |
| 32 | vma_t end; |
| 33 | /** tgid of the app */ |
| 34 | pid_t tgid; |
| 35 | /** cookie of the app */ |
| 36 | cookie_t app_cookie; |
| 37 | /** hash list */ |
| 38 | struct list_head list; |
| 39 | /** lru list */ |
| 40 | struct list_head lru_list; |
| 41 | }; |
| 42 | |
| 43 | /** |
| 44 | * Try to find an anonymous mapping for the given pc/tgid pair. |
| 45 | */ |
| 46 | struct anon_mapping * find_anon_mapping(struct transient *); |
| 47 | |
| 48 | void anon_init(void); |
| 49 | |
| 50 | #endif /* OPD_ANON_H */ |