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834978fd DG |
1 | /* |
2 | * Copyright (C) 2014 - David Goulet <dgoulet@efficios.com> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License, version 2 only, as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License along with | |
14 | * this program; if not, write to the Free Software Foundation, Inc., 51 | |
15 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | */ | |
17 | ||
0dbc2034 GB |
18 | #ifndef LTTNG_SYSCALL_H |
19 | #define LTTNG_SYSCALL_H | |
834978fd DG |
20 | |
21 | #include <common/hashtable/hashtable.h> | |
22 | #include <lttng/event.h> | |
23 | ||
24 | #include "trace-kernel.h" | |
25 | ||
26 | /* | |
27 | * Default size of the kernel system call array. With this size, we usually | |
28 | * reallocate twice considering a 32 bit compat layer also. | |
29 | */ | |
30 | #define SYSCALL_TABLE_INIT_SIZE 256 | |
31 | ||
32 | /* Maximum length of a syscall name. */ | |
33 | #define SYSCALL_NAME_LEN 255 | |
34 | ||
35 | /* | |
36 | * Represent a kernel syscall and used when we are populating the internal | |
37 | * list. | |
38 | */ | |
39 | struct syscall { | |
40 | uint32_t index; | |
41 | uint32_t bitness; | |
42 | char name[SYSCALL_NAME_LEN]; | |
43 | /* Used by the list syscalls command. */ | |
44 | struct lttng_ht_node_str node; | |
45 | }; | |
46 | ||
47 | /* | |
48 | * Allocated once when listing all syscalls at boot time. This is an array | |
49 | * indexed by the syscall index provided in the listing. | |
50 | */ | |
51 | extern struct syscall *syscall_table; | |
52 | ||
53 | /* Use to list kernel system calls. */ | |
54 | int syscall_init_table(void); | |
55 | ssize_t syscall_table_list(struct lttng_event **events); | |
834978fd | 56 | |
0dbc2034 | 57 | #endif /* LTTNG_SYSCALL_H */ |