| 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_KERNEL_SYSCALL_INTERNAL_H |
| 9 | #define LTTNG_EVENT_RULE_KERNEL_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/kernel-syscall.h> |
| 15 | |
| 16 | #if defined(__cplusplus) |
| 17 | extern "C" { |
| 18 | #endif |
| 19 | |
| 20 | struct lttng_event_rule_kernel_syscall { |
| 21 | struct lttng_event_rule parent; |
| 22 | enum lttng_event_rule_kernel_syscall_emission_site emission_site; |
| 23 | char *pattern; |
| 24 | char *filter_expression; |
| 25 | |
| 26 | /* Internal use only. */ |
| 27 | struct { |
| 28 | char *filter; |
| 29 | struct lttng_bytecode *bytecode; |
| 30 | } internal_filter; |
| 31 | }; |
| 32 | |
| 33 | struct lttng_event_rule_kernel_syscall_comm { |
| 34 | uint32_t emission_site; |
| 35 | /* Includes terminator `\0`. */ |
| 36 | uint32_t pattern_len; |
| 37 | /* Includes terminator `\0`. */ |
| 38 | uint32_t filter_expression_len; |
| 39 | /* |
| 40 | * Payload is composed of, in that order: |
| 41 | * - Pattern (null terminated), |
| 42 | * - Filter expression (null terminated). |
| 43 | */ |
| 44 | char payload[]; |
| 45 | } LTTNG_PACKED; |
| 46 | |
| 47 | ssize_t lttng_event_rule_kernel_syscall_create_from_payload( |
| 48 | struct lttng_payload_view *view, |
| 49 | struct lttng_event_rule **rule); |
| 50 | |
| 51 | const char *lttng_event_rule_kernel_syscall_emission_site_str( |
| 52 | enum lttng_event_rule_kernel_syscall_emission_site emission_site); |
| 53 | |
| 54 | #if defined(__cplusplus) |
| 55 | } |
| 56 | #endif |
| 57 | |
| 58 | #endif /* LTTNG_EVENT_RULE_KERNEL_SYSCALL_INTERNAL_H */ |