-#ifndef _LTTNG_EVENTS_H
-#define _LTTNG_EVENTS_H
-
-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
* lttng-events.h
*
* Holds LTTng per-session event registry.
*
* Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#ifndef _LTTNG_EVENTS_H
+#define _LTTNG_EVENTS_H
+
#include <linux/version.h>
#include <linux/list.h>
#include <linux/kprobes.h>
#include <linux/kref.h>
#include <lttng-cpuhotplug.h>
#include <wrapper/uuid.h>
+#include <wrapper/uprobes.h>
#include <lttng-tracer.h>
#include <lttng-abi.h>
#include <lttng-abi-old.h>
struct lttng_enabler *ref; /* backward ref */
};
+struct lttng_uprobe_handler {
+ struct lttng_event *event;
+ loff_t offset;
+ struct uprobe_consumer up_consumer;
+ struct list_head node;
+};
+
/*
* lttng_event structure is referred to by the tracing fast path. It must be
* kept small.
struct {
char *symbol_name;
} ftrace;
+ struct {
+ struct inode *inode;
+ struct list_head head;
+ } uprobe;
} u;
struct list_head list; /* Event list in session */
unsigned int metadata_dumped:1;
struct list_head enablers_head;
/* Hash table of events */
struct lttng_event_ht events_ht;
+ char name[LTTNG_KERNEL_SESSION_NAME_LEN];
+ char creation_time[LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN];
};
struct lttng_metadata_cache {
}
#endif
+int lttng_event_add_callsite(struct lttng_event *event,
+ struct lttng_kernel_event_callsite *callsite);
+
+#ifdef CONFIG_UPROBES
+int lttng_uprobes_register(const char *name,
+ int fd, struct lttng_event *event);
+int lttng_uprobes_add_callsite(struct lttng_event *event,
+ struct lttng_kernel_event_callsite *callsite);
+void lttng_uprobes_unregister(struct lttng_event *event);
+void lttng_uprobes_destroy_private(struct lttng_event *event);
+#else
+static inline
+int lttng_uprobes_register(const char *name,
+ int fd, struct lttng_event *event)
+{
+ return -ENOSYS;
+}
+
+static inline
+int lttng_uprobes_add_callsite(struct lttng_event *event,
+ struct lttng_kernel_event_callsite *callsite)
+{
+ return -ENOSYS;
+}
+
+static inline
+void lttng_uprobes_unregister(struct lttng_event *event)
+{
+}
+
+static inline
+void lttng_uprobes_destroy_private(struct lttng_event *event)
+{
+}
+#endif
+
#ifdef CONFIG_KRETPROBES
int lttng_kretprobes_register(const char *name,
const char *symbol_name,