projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 18 | #ifndef SYSCALL_H | |
| 19 | #define SYSCALL_H | |
| 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); | |
| 56 | ssize_t syscall_list_channel(struct ltt_kernel_channel *kchan, | |
| 57 | struct lttng_event **_events, size_t size); | |
| 58 | ||
| 59 | #endif /* SYSCALL_H */ |