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/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
*
* wrapper/tracepoint.h
*
* wrapper around DECLARE_EVENT_CLASS.
*
* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
#ifndef _LTTNG_WRAPPER_TRACEPOINT_H
#define _LTTNG_WRAPPER_TRACEPOINT_H
#include <lttng/kernel-version.h>
#include <lttng/tracepoint.h>
#include <linux/tracepoint.h>
#include <linux/module.h>
/*
* In v6.16, the DECLARE_TRACE macro was changed to append '_tp' to the
* generated 'trace_()' function and a new DECLARE_TRACE_EVENT macro was added
* with the old behavior.
*/
#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,16,0))
#define LTTNG_DECLARE_TRACE_EVENT(name, proto, args) \
DECLARE_TRACE_EVENT(name, PARAMS(proto), PARAMS(args))
#else
#define LTTNG_DECLARE_TRACE_EVENT(name, proto, args) \
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
#endif
#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,10,0))
#define LTTNG_DEFINE_TRACE(name, proto, args) \
DEFINE_TRACE(name, PARAMS(proto), PARAMS(args))
#else
#define LTTNG_DEFINE_TRACE(name, proto, args) \
DEFINE_TRACE(name)
#endif
#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,19,0))
static inline struct tracepoint *lttng_tracepoint_ptr_deref(tracepoint_ptr_t *p)
{
return tracepoint_ptr_deref(p);
}
#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,19,0)) */
static inline struct tracepoint *lttng_tracepoint_ptr_deref(struct tracepoint * const *p)
{
return *p;
}
#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,19,0)) */
#endif /* _LTTNG_WRAPPER_TRACEPOINT_H */
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