X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fevent-rule%2Fkernel-syscall-internal.hpp;fp=include%2Flttng%2Fevent-rule%2Fkernel-syscall-internal.hpp;h=2ca1823eca4aa1a4c1e209b692a131922c052110;hp=0000000000000000000000000000000000000000;hb=c9e313bc594f40a86eed237dce222c0fc99c957f;hpb=4878de5c7deb512bbdac4fdfc498907efa06fb7c diff --git a/include/lttng/event-rule/kernel-syscall-internal.hpp b/include/lttng/event-rule/kernel-syscall-internal.hpp new file mode 100644 index 000000000..2ca1823ec --- /dev/null +++ b/include/lttng/event-rule/kernel-syscall-internal.hpp @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2019 Jonathan Rajotte + * + * SPDX-License-Identifier: LGPL-2.1-only + * + */ + +#ifndef LTTNG_EVENT_RULE_KERNEL_SYSCALL_INTERNAL_H +#define LTTNG_EVENT_RULE_KERNEL_SYSCALL_INTERNAL_H + +#include +#include +#include +#include + +struct lttng_event_rule_kernel_syscall { + struct lttng_event_rule parent; + enum lttng_event_rule_kernel_syscall_emission_site emission_site; + char *pattern; + char *filter_expression; + + /* Internal use only. */ + struct { + char *filter; + struct lttng_bytecode *bytecode; + } internal_filter; +}; + +struct lttng_event_rule_kernel_syscall_comm { + uint32_t emission_site; + /* Includes terminator `\0`. */ + uint32_t pattern_len; + /* Includes terminator `\0`. */ + uint32_t filter_expression_len; + /* + * Payload is composed of, in that order: + * - Pattern (null terminated), + * - Filter expression (null terminated). + */ + char payload[]; +} LTTNG_PACKED; + +ssize_t lttng_event_rule_kernel_syscall_create_from_payload( + struct lttng_payload_view *view, + struct lttng_event_rule **rule); + +const char *lttng_event_rule_kernel_syscall_emission_site_str( + enum lttng_event_rule_kernel_syscall_emission_site emission_site); + +#endif /* LTTNG_EVENT_RULE_KERNEL_SYSCALL_INTERNAL_H */