2 * Copyright (C) 2014 David Goulet <dgoulet@efficios.com>
4 * SPDX-License-Identifier: GPL-2.0-only
8 #ifndef LTTNG_SYSCALL_H
9 #define LTTNG_SYSCALL_H
11 #include <common/hashtable/hashtable.hpp>
12 #include <lttng/event.h>
14 #include "trace-kernel.hpp"
17 * Default size of the kernel system call array. With this size, we usually
18 * reallocate twice considering a 32 bit compat layer also.
20 #define SYSCALL_TABLE_INIT_SIZE 256
22 /* Maximum length of a syscall name. */
23 #define SYSCALL_NAME_LEN 255
26 * Represent a kernel syscall and used when we are populating the internal
32 char name[SYSCALL_NAME_LEN];
33 /* Used by the list syscalls command. */
34 struct lttng_ht_node_str node;
38 * Allocated once when listing all syscalls at boot time. This is an array
39 * indexed by the syscall index provided in the listing.
41 extern struct syscall *syscall_table;
43 /* Use to list kernel system calls. */
44 int syscall_init_table(int tracer_fd);
45 ssize_t syscall_table_list(struct lttng_event **events);
47 #endif /* LTTNG_SYSCALL_H */