| 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 | enum lttng_event_rule_syscall_emission_site_type emission_site_type; |
| 19 | char *pattern; |
| 20 | char *filter_expression; |
| 21 | |
| 22 | /* Internal use only. */ |
| 23 | struct { |
| 24 | char *filter; |
| 25 | struct lttng_bytecode *bytecode; |
| 26 | } internal_filter; |
| 27 | }; |
| 28 | |
| 29 | struct lttng_event_rule_syscall_comm { |
| 30 | uint32_t emission_site_type; |
| 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 | |
| 48 | LTTNG_HIDDEN |
| 49 | const char *lttng_event_rule_syscall_emission_site_str( |
| 50 | enum lttng_event_rule_syscall_emission_site_type type); |
| 51 | #endif /* LTTNG_EVENT_RULE_SYSCALL_INTERNAL_H */ |