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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 | ||
4f7da553 JR |
8 | #ifndef LTTNG_EVENT_RULE_KERNEL_SYSCALL_INTERNAL_H |
9 | #define LTTNG_EVENT_RULE_KERNEL_SYSCALL_INTERNAL_H | |
e6a39346 | 10 | |
c9e313bc | 11 | #include <common/macros.hpp> |
28f23191 JG |
12 | #include <common/payload-view.hpp> |
13 | ||
c9e313bc | 14 | #include <lttng/event-rule/event-rule-internal.hpp> |
4f7da553 | 15 | #include <lttng/event-rule/kernel-syscall.h> |
e6a39346 | 16 | |
4f7da553 | 17 | struct lttng_event_rule_kernel_syscall { |
e6a39346 | 18 | struct lttng_event_rule parent; |
4f7da553 | 19 | enum lttng_event_rule_kernel_syscall_emission_site emission_site; |
e6a39346 JR |
20 | char *pattern; |
21 | char *filter_expression; | |
22 | ||
23 | /* Internal use only. */ | |
24 | struct { | |
25 | char *filter; | |
2b00d462 | 26 | struct lttng_bytecode *bytecode; |
e6a39346 JR |
27 | } internal_filter; |
28 | }; | |
29 | ||
4f7da553 | 30 | struct lttng_event_rule_kernel_syscall_comm { |
f6a5af19 | 31 | uint32_t emission_site; |
e6a39346 JR |
32 | /* Includes terminator `\0`. */ |
33 | uint32_t pattern_len; | |
34 | /* Includes terminator `\0`. */ | |
35 | uint32_t filter_expression_len; | |
36 | /* | |
37 | * Payload is composed of, in that order: | |
38 | * - Pattern (null terminated), | |
39 | * - Filter expression (null terminated). | |
40 | */ | |
41 | char payload[]; | |
42 | } LTTNG_PACKED; | |
43 | ||
28f23191 JG |
44 | ssize_t lttng_event_rule_kernel_syscall_create_from_payload(struct lttng_payload_view *view, |
45 | struct lttng_event_rule **rule); | |
e6a39346 | 46 | |
4f7da553 | 47 | const char *lttng_event_rule_kernel_syscall_emission_site_str( |
28f23191 | 48 | enum lttng_event_rule_kernel_syscall_emission_site emission_site); |
48a40005 | 49 | |
4f7da553 | 50 | #endif /* LTTNG_EVENT_RULE_KERNEL_SYSCALL_INTERNAL_H */ |