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e6a39346 JR |
1 | /* |
2 | * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> | |
3 | * | |
4 | * SPDX-License-Identifier: LGPL-2.1-only | |
5 | * | |
6 | */ | |
7 | ||
8 | #ifndef LTTNG_EVENT_RULE_SYSCALL_INTERNAL_H | |
9 | #define LTTNG_EVENT_RULE_SYSCALL_INTERNAL_H | |
10 | ||
11 | #include <common/payload-view.h> | |
12 | #include <common/macros.h> | |
13 | #include <lttng/event-rule/event-rule-internal.h> | |
14 | #include <lttng/event-rule/syscall.h> | |
15 | ||
16 | struct lttng_event_rule_syscall { | |
17 | struct lttng_event_rule parent; | |
18 | char *pattern; | |
19 | char *filter_expression; | |
20 | ||
21 | /* Internal use only. */ | |
22 | struct { | |
23 | char *filter; | |
2b00d462 | 24 | struct lttng_bytecode *bytecode; |
e6a39346 JR |
25 | } internal_filter; |
26 | }; | |
27 | ||
28 | struct lttng_event_rule_syscall_comm { | |
29 | /* Includes terminator `\0`. */ | |
30 | uint32_t pattern_len; | |
31 | /* Includes terminator `\0`. */ | |
32 | uint32_t filter_expression_len; | |
33 | /* | |
34 | * Payload is composed of, in that order: | |
35 | * - Pattern (null terminated), | |
36 | * - Filter expression (null terminated). | |
37 | */ | |
38 | char payload[]; | |
39 | } LTTNG_PACKED; | |
40 | ||
41 | LTTNG_HIDDEN | |
42 | ssize_t lttng_event_rule_syscall_create_from_payload( | |
43 | struct lttng_payload_view *view, | |
44 | struct lttng_event_rule **rule); | |
45 | ||
46 | #endif /* LTTNG_EVENT_RULE_SYSCALL_INTERNAL_H */ |