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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; | |
57739a6b | 18 | enum lttng_event_rule_syscall_emission_site_type emission_site_type; |
e6a39346 JR |
19 | char *pattern; |
20 | char *filter_expression; | |
21 | ||
22 | /* Internal use only. */ | |
23 | struct { | |
24 | char *filter; | |
2b00d462 | 25 | struct lttng_bytecode *bytecode; |
e6a39346 JR |
26 | } internal_filter; |
27 | }; | |
28 | ||
29 | struct lttng_event_rule_syscall_comm { | |
57739a6b | 30 | uint32_t emission_site_type; |
e6a39346 JR |
31 | /* Includes terminator `\0`. */ |
32 | uint32_t pattern_len; | |
33 | /* Includes terminator `\0`. */ | |
34 | uint32_t filter_expression_len; | |
35 | /* | |
36 | * Payload is composed of, in that order: | |
37 | * - Pattern (null terminated), | |
38 | * - Filter expression (null terminated). | |
39 | */ | |
40 | char payload[]; | |
41 | } LTTNG_PACKED; | |
42 | ||
43 | LTTNG_HIDDEN | |
44 | ssize_t lttng_event_rule_syscall_create_from_payload( | |
45 | struct lttng_payload_view *view, | |
46 | struct lttng_event_rule **rule); | |
47 | ||
57739a6b JR |
48 | LTTNG_HIDDEN |
49 | const char *lttng_event_rule_syscall_emission_site_str( | |
50 | enum lttng_event_rule_syscall_emission_site_type type); | |
e6a39346 | 51 | #endif /* LTTNG_EVENT_RULE_SYSCALL_INTERNAL_H */ |