projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 834978fd | 1 | /* |
| ab5be9fa | 2 | * Copyright (C) 2014 David Goulet <dgoulet@efficios.com> |
| 834978fd | 3 | * |
| ab5be9fa | 4 | * SPDX-License-Identifier: GPL-2.0-only |
| 834978fd | 5 | * |
| 834978fd DG |
6 | */ |
| 7 | ||
| 0dbc2034 GB |
8 | #ifndef LTTNG_SYSCALL_H |
| 9 | #define LTTNG_SYSCALL_H | |
| 834978fd DG |
10 | |
| 11 | #include <common/hashtable/hashtable.h> | |
| 12 | #include <lttng/event.h> | |
| 13 | ||
| 14 | #include "trace-kernel.h" | |
| 15 | ||
| 16 | /* | |
| 17 | * Default size of the kernel system call array. With this size, we usually | |
| 18 | * reallocate twice considering a 32 bit compat layer also. | |
| 19 | */ | |
| 20 | #define SYSCALL_TABLE_INIT_SIZE 256 | |
| 21 | ||
| 22 | /* Maximum length of a syscall name. */ | |
| 23 | #define SYSCALL_NAME_LEN 255 | |
| 24 | ||
| 25 | /* | |
| 26 | * Represent a kernel syscall and used when we are populating the internal | |
| 27 | * list. | |
| 28 | */ | |
| 29 | struct syscall { | |
| 30 | uint32_t index; | |
| 31 | uint32_t bitness; | |
| 32 | char name[SYSCALL_NAME_LEN]; | |
| 33 | /* Used by the list syscalls command. */ | |
| 34 | struct lttng_ht_node_str node; | |
| 35 | }; | |
| 36 | ||
| 37 | /* | |
| 38 | * Allocated once when listing all syscalls at boot time. This is an array | |
| 39 | * indexed by the syscall index provided in the listing. | |
| 40 | */ | |
| 41 | extern struct syscall *syscall_table; | |
| 42 | ||
| 43 | /* Use to list kernel system calls. */ | |
| 7d268848 | 44 | int syscall_init_table(int tracer_fd); |
| 834978fd | 45 | ssize_t syscall_table_list(struct lttng_event **events); |
| 834978fd | 46 | |
| 0dbc2034 | 47 | #endif /* LTTNG_SYSCALL_H */ |