+++ /dev/null
-/*
- * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- * Copyright (C) 2018 Francis Deslauriers <francis.deslauriers@efficios.com>
- *
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- */
-
-#ifndef LTTNG_USERSPACE_PROBE_INTERNAL_H
-#define LTTNG_USERSPACE_PROBE_INTERNAL_H
-
-#include <lttng/userspace-probe.h>
-#include <common/macros.h>
-#include <common/fd-handle.h>
-#include <stdbool.h>
-
-struct lttng_payload;
-struct lttng_payload_view;
-struct lttng_dynamic_buffer;
-struct mi_writer;
-
-typedef bool (*userspace_probe_location_equal_cb)(
- const struct lttng_userspace_probe_location *a,
- const struct lttng_userspace_probe_location *b);
-typedef unsigned long (*userspace_probe_location_hash_cb)(
- const struct lttng_userspace_probe_location *location);
-typedef enum lttng_error_code (*userspace_probe_location_mi)(
- const struct lttng_userspace_probe_location *location,
- struct mi_writer);
-
-/*
- * No elf-specific comm structure is defined since no elf-specific payload is
- * currently needed.
- */
-struct lttng_userspace_probe_location_lookup_method_comm {
- /* enum lttng_userspace_probe_location_lookup_method_type */
- int8_t type;
- /* type-specific payload */
- char payload[];
-};
-
-/* Common ancestor of all userspace probe location lookup methods. */
-struct lttng_userspace_probe_location_lookup_method {
- enum lttng_userspace_probe_location_lookup_method_type type;
-};
-
-struct lttng_userspace_probe_location_lookup_method_elf {
- struct lttng_userspace_probe_location_lookup_method parent;
-};
-
-struct lttng_userspace_probe_location_lookup_method_sdt {
- struct lttng_userspace_probe_location_lookup_method parent;
-};
-
-struct lttng_userspace_probe_location_comm {
- /* enum lttng_userspace_probe_location_type */
- int8_t type;
- /*
- * Payload is composed of, in that order,
- * - type-specific payload
- * - struct lttng_userspace_probe_location_lookup_method_comm
- */
- char payload[];
-};
-
-struct lttng_userspace_probe_location_function_comm {
- /* Both lengths include the trailing \0. */
- uint32_t function_name_len;
- uint32_t binary_path_len;
- /*
- * Payload is composed of, in that order,
- * - function name (with trailing \0),
- * - absolute binary path (with trailing \0)
- */
- char payload[];
-} LTTNG_PACKED;
-
-struct lttng_userspace_probe_location_tracepoint_comm {
- /* The three lengths include the trailing \0. */
- uint32_t probe_name_len;
- uint32_t provider_name_len;
- uint32_t binary_path_len;
- /*
- * Payload is composed of, in that order,
- * - probe name (with trailing \0),
- * - provider name (with trailing \0),
- * - absolute binary path (with trailing \0)
- */
- char payload[];
-} LTTNG_PACKED;
-
-/* Common ancestor of all userspace probe locations. */
-struct lttng_userspace_probe_location {
- enum lttng_userspace_probe_location_type type;
- struct lttng_userspace_probe_location_lookup_method *lookup_method;
- userspace_probe_location_equal_cb equal;
- userspace_probe_location_hash_cb hash;
- userspace_probe_location_hash_cb mi;
-};
-
-struct lttng_userspace_probe_location_function {
- struct lttng_userspace_probe_location parent;
- char *function_name;
- char *binary_path;
- /*
- * binary_fd is a file descriptor to the executable file. It's open
- * early on to keep the backing inode valid over the course of the
- * intrumentation and use. It prevents deletion and reuse races.
- */
- struct fd_handle *binary_fd_handle;
- enum lttng_userspace_probe_location_function_instrumentation_type instrumentation_type;
-};
-
-struct lttng_userspace_probe_location_tracepoint {
- struct lttng_userspace_probe_location parent;
- char *probe_name;
- char *provider_name;
- char *binary_path;
- /*
- * binary_fd is a file descriptor to the executable file. It's open
- * early on to keep the backing inode valid over the course of the
- * intrumentation and use. It prevents deletion and reuse races.
- */
- struct fd_handle *binary_fd_handle;
-};
-
-int lttng_userspace_probe_location_serialize(
- const struct lttng_userspace_probe_location *location,
- struct lttng_payload *payload);
-
-int lttng_userspace_probe_location_create_from_payload(
- struct lttng_payload_view *view,
- struct lttng_userspace_probe_location **probe_location);
-
-/*
- * Returns a version of the location that is serialized to a contiguous region
- * of memory. Pass NULL to buffer to only get the storage requirement of the
- * flattened userspace probe location.
- */
-int lttng_userspace_probe_location_flatten(
- const struct lttng_userspace_probe_location *location,
- struct lttng_dynamic_buffer *buffer);
-
-struct lttng_userspace_probe_location *lttng_userspace_probe_location_copy(
- const struct lttng_userspace_probe_location *location);
-
-bool lttng_userspace_probe_location_lookup_method_is_equal(
- const struct lttng_userspace_probe_location_lookup_method *a,
- const struct lttng_userspace_probe_location_lookup_method *b);
-
-bool lttng_userspace_probe_location_is_equal(
- const struct lttng_userspace_probe_location *a,
- const struct lttng_userspace_probe_location *b);
-
-unsigned long lttng_userspace_probe_location_hash(
- const struct lttng_userspace_probe_location *location);
-
-enum lttng_error_code lttng_userspace_probe_location_mi_serialize(
- const struct lttng_userspace_probe_location *location,
- struct mi_writer *writer);
-
-#endif /* LTTNG_USERSPACE_PROBE_INTERNAL_H */
projects / lttng-tools.git / blobdiff