X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=include%2Flttng%2Ftracepoint-event.h;h=4044339d255e421aa2d8d9d1d2a7687b16856b5d;hb=061fc37ae64a1ad3ecefe10d9a2db33ebb5c41ce;hp=686db1e34edcc61ebe3e6f71adb947d9cb743bf1;hpb=a4ada9b87a62c26061c109abe0fd502e16f03db2;p=lttng-ust.git diff --git a/include/lttng/tracepoint-event.h b/include/lttng/tracepoint-event.h index 686db1e3..4044339d 100644 --- a/include/lttng/tracepoint-event.h +++ b/include/lttng/tracepoint-event.h @@ -1,121 +1,96 @@ /* - * Copyright (C) 2009 Steven Rostedt - * Copyright (C) 2011 Mathieu Desnoyers + * SPDX-License-Identifier: MIT * - * 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; - * 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 - * - * - * Trace files that want to automate creationg of all tracepoints defined - * in their file should include this file. The following are macros that the - * trace file may define: - * - * TRACEPOINT_PROVIDER defines the provider the tracepoint is for: - * < [com_company_]project_[component_] > - * - * TRACEPOINT_INCLUDE_FILE if the file name is something other than - * TRACEPOINT_PROVIDER.h. This macro may be defined to tell - * define_trace.h what file to include. Note, leave off the ".h". - * - * TRACEPOINT_INCLUDE_PATH if the path is something other than within - * the system's include/tracepoint/ path, then this macro can define - * the path to use. This path is relative to tracepoint-event.h, or - * to the include search path. Trick: Use a - * #define TRACEPOINT_INCLUDE_PATH . - * combined with -Ipath_to_header as compiler argument to allow - * searching for a header within your project build tree. + * Copyright (C) 2011 Mathieu Desnoyers */ -#ifdef __cplusplus -extern "C" { -#endif - -#ifdef TRACEPOINT_CREATE_PROBES +#include -/* Prevent recursion */ -#undef TRACEPOINT_CREATE_PROBES -#ifndef __tp_stringify -#define __tp_stringify_1(x...) #x -#define __tp_stringify(x...) __tp_stringify_1(x) -#endif +#if LTTNG_UST_COMPAT_API(0) +# if defined(TRACEPOINT_CREATE_PROBES) && !defined(LTTNG_UST_TRACEPOINT_CREATE_PROBES) +# define LTTNG_UST_TRACEPOINT_CREATE_PROBES +# endif +#endif /* #if LTTNG_UST_COMPAT_API(0) */ -#undef TRACEPOINT_EVENT -#define TRACEPOINT_EVENT(provider, name, proto, args, fields) \ - _DEFINE_TRACEPOINT(provider, name) +#ifdef LTTNG_UST_TRACEPOINT_CREATE_PROBES -#undef TRACEPOINT_EVENT_INSTANCE -#define TRACEPOINT_EVENT_INSTANCE(provider, template, name, proto, args) \ - _DEFINE_TRACEPOINT(provider, name) +#define lttng_ust__tp_stringify1(x) #x +#define lttng_ust__tp_stringify(x) lttng_ust__tp_stringify1(x) -#undef TRACEPOINT_EVENT_NOARGS -#define TRACEPOINT_EVENT_NOARGS(provider, name, fields) \ - _DEFINE_TRACEPOINT(provider, name) +#undef LTTNG_UST_TRACEPOINT_EVENT_INSTANCE +#define LTTNG_UST_TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) -#undef TRACEPOINT_EVENT_INSTANCE_NOARGS -#define TRACEPOINT_EVENT_INSTANCE_NOARGS(provider, template, name) \ - _DEFINE_TRACEPOINT(provider, name) +#undef LTTNG_UST_TRACEPOINT_EVENT +#define LTTNG_UST_TRACEPOINT_EVENT(_provider, _name, _args, _fields) \ + LTTNG_UST_TRACEPOINT_EVENT_CLASS(_provider, _name, LTTNG_UST__TP_PARAMS(_args), \ + LTTNG_UST__TP_PARAMS(_fields)) \ + LTTNG_UST_TRACEPOINT_EVENT_INSTANCE(_provider, _name, _name, \ + LTTNG_UST__TP_PARAMS(_args)) -#undef TRACEPOINT_INCLUDE -#undef __TRACEPOINT_INCLUDE -#ifndef TRACEPOINT_INCLUDE_FILE -# define TRACEPOINT_INCLUDE_FILE TRACEPOINT_PROVIDER -# define UNDEF_TRACEPOINT_INCLUDE_FILE +#undef LTTNG_UST_TRACEPOINT_CREATE_PROBES +#if LTTNG_UST_COMPAT_API(0) +#undef TRACEPOINT_CREATE_PROBES #endif -#ifndef TRACEPOINT_INCLUDE_PATH -# define __TRACEPOINT_INCLUDE(provider) -# define UNDEF_TRACEPOINT_INCLUDE_PATH -#else -# define __TRACEPOINT_INCLUDE(provider) \ - __tp_stringify(TRACEPOINT_INCLUDE_PATH/provider.h) +#define LTTNG_UST_TRACEPOINT_HEADER_MULTI_READ +#if LTTNG_UST_COMPAT_API(0) +#define TRACEPOINT_HEADER_MULTI_READ #endif -# define TRACEPOINT_INCLUDE(provider) __TRACEPOINT_INCLUDE(provider) +#if LTTNG_UST_COMPAT_API(0) +# if defined(TRACEPOINT_INCLUDE) && !defined(LTTNG_UST_TRACEPOINT_INCLUDE) +# define LTTNG_UST_TRACEPOINT_INCLUDE TRACEPOINT_INCLUDE +# endif +#endif /* #if LTTNG_UST_COMPAT_API(0) */ -/* Let the trace headers be reread */ -#define TRACEPOINT_HEADER_MULTI_READ +#if LTTNG_UST_COMPAT_API(0) +# if defined(TRACEPOINT_PROVIDER) && !defined(LTTNG_UST_TRACEPOINT_PROVIDER) +# define LTTNG_UST_TRACEPOINT_PROVIDER TRACEPOINT_PROVIDER +# endif +#endif /* #if LTTNG_UST_COMPAT_API(0) */ -#include TRACEPOINT_INCLUDE(TRACEPOINT_INCLUDE_FILE) +#include LTTNG_UST_TRACEPOINT_INCLUDE #include -#undef TRACEPOINT_EVENT -#undef TRACEPOINT_EVENT_CLASS -#undef TRACEPOINT_EVENT_INSTANCE -#undef TRACEPOINT_EVENT_NOARGS -#undef TRACEPOINT_EVENT_CLASS_NOARGS -#undef TRACEPOINT_EVENT_INSTANCE_NOARGS +#undef LTTNG_UST_TRACEPOINT_HEADER_MULTI_READ +#if LTTNG_UST_COMPAT_API(0) #undef TRACEPOINT_HEADER_MULTI_READ - -/* Only undef what we defined in this file */ -#ifdef UNDEF_TRACEPOINT_INCLUDE_FILE -# undef TRACEPOINT_INCLUDE_FILE -# undef UNDEF_TRACEPOINT_INCLUDE_FILE #endif -#ifdef UNDEF_TRACEPOINT_INCLUDE_PATH -# undef TRACEPOINT_INCLUDE_PATH -# undef UNDEF_TRACEPOINT_INCLUDE_PATH +#undef LTTNG_UST_TRACEPOINT_INCLUDE +#if LTTNG_UST_COMPAT_API(0) +# undef TRACEPOINT_INCLUDE #endif -/* We may be processing more files */ -#define TRACEPOINT_CREATE_PROBES +#define LTTNG_UST_TRACEPOINT_CREATE_PROBES -#endif /* TRACEPOINT_CREATE_PROBES */ +/* + * Put back definitions to the state they were when defined by + * tracepoint.h. + */ +#undef LTTNG_UST_TP_ARGS +#define LTTNG_UST_TP_ARGS(...) __VA_ARGS__ -#ifdef __cplusplus -} -#endif +#undef LTTNG_UST_TRACEPOINT_EVENT +#define LTTNG_UST_TRACEPOINT_EVENT(provider, name, args, fields) \ + LTTNG_UST__DECLARE_TRACEPOINT(provider, name, LTTNG_UST__TP_PARAMS(args)) \ + LTTNG_UST__DEFINE_TRACEPOINT(provider, name, LTTNG_UST__TP_PARAMS(args)) + +#undef LTTNG_UST_TRACEPOINT_EVENT_CLASS +#define LTTNG_UST_TRACEPOINT_EVENT_CLASS(provider, name, args, fields) + +#undef LTTNG_UST_TRACEPOINT_EVENT_INSTANCE +#define LTTNG_UST_TRACEPOINT_EVENT_INSTANCE(provider, _template, name, args) \ + LTTNG_UST__DECLARE_TRACEPOINT(provider, name, LTTNG_UST__TP_PARAMS(args)) \ + LTTNG_UST__DEFINE_TRACEPOINT(provider, name, LTTNG_UST__TP_PARAMS(args)) + +#undef LTTNG_UST_TRACEPOINT_LOGLEVEL +#define LTTNG_UST_TRACEPOINT_LOGLEVEL(provider, name, loglevel) + +#undef LTTNG_UST_TRACEPOINT_MODEL_EMF_URI +#define LTTNG_UST_TRACEPOINT_MODEL_EMF_URI(provider, name, uri) + +#endif /* LTTNG_UST_TRACEPOINT_CREATE_PROBES */