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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2019-2022 Red Hat, Inc. Daniel Bristot de Oliveira <bristot@kernel.org>
*
* Helper functions to facilitate the instrumentation of auto-generated
* RV monitors create by dot2k.
*
* The dot2k tool is available at tools/verification/dot2/
*/
#include <linux/ftrace.h>
/*
* rv_attach_trace_probe - check and attach a handler function to a tracepoint
*/
#define rv_attach_trace_probe(monitor, tp, rv_handler) \
do { \
check_trace_callback_type_##tp(rv_handler); \
WARN_ONCE(register_trace_##tp(rv_handler, NULL), \
"fail attaching " #monitor " " #tp "handler"); \
} while (0)
/*
* rv_detach_trace_probe - detach a handler function to a tracepoint
*/
#define rv_detach_trace_probe(monitor, tp, rv_handler) \
do { \
unregister_trace_##tp(rv_handler, NULL); \
} while (0)