+++ /dev/null
-#ifndef _UST_MARKER_INTERNAL_H
-#define _UST_MARKER_INTERNAL_H
-
-/*
- * Code markup for dynamic and static tracing. (internal header)
- *
- * See Documentation/marker.txt.
- *
- * (C) Copyright 2006 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
- * (C) Copyright 2009 Pierre-Marc Fournier <pierre-marc dot fournier at polymtl dot ca>
- * (C) Copyright 2011 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;
- * 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
- */
-
-#include <stdarg.h>
-#include <bits/wordsize.h>
-#include <urcu-bp.h>
-#include <urcu/list.h>
-#include <ust/core.h>
-#include <ust/kcompat/kcompat.h>
-#include <ust/marker.h>
-
-#define GET_UST_MARKER(name) (__ust_marker_def_##name)
-
-#define DEFINE_UST_MARKER(name, format) \
- _DEFINE_UST_MARKER(ust, name, NULL, NULL, format)
-
-#define DEFINE_UST_MARKER_TP(name, tp_name, tp_cb, format) \
- _DEFINE_UST_MARKER(ust, name, #tp_name, tp_cb, format)
-
-#define __ust_marker_tp(name, call_private, tp_name, tp_cb, \
- format, args...) \
- do { \
- void __check_tp_type(void) \
- { \
- register_trace_##tp_name(tp_cb, call_private); \
- } \
- DEFINE_UST_MARKER_TP(name, #tp_name, tp_cb, format); \
- __ust_marker_check_format(format, ## args); \
- (*__ust_marker_def_##name.call) \
- (&__ust_marker_def_##name, call_private, ## args); \
- } while (0)
-
-/**
- * ust_marker_tp - Marker in a tracepoint callback
- * @name: marker name, not quoted.
- * @tp_name: tracepoint name, not quoted.
- * @tp_cb: tracepoint callback. Should have an associated global symbol so it
- * is not optimized away by the compiler (should not be static).
- * @format: format string
- * @args...: variable argument list
- *
- * Places a marker in a tracepoint callback.
- */
-#define ust_marker_tp(name, tp_name, tp_cb, format, args...) \
- __ust_marker_tp(ust, name, NULL, tp_name, tp_cb, format, ## args)
-
-extern void ust_marker_compact_event_ids(void);
-
-/*
- * Connect a probe to a marker.
- * private data pointer must be a valid allocated memory address, or NULL.
- */
-extern int ust_marker_probe_register(const char *channel, const char *name,
- const char *format, ust_marker_probe_func *probe, void *probe_private);
-
-/*
- * Returns the private data given to ust_marker_probe_register.
- */
-extern int ust_marker_probe_unregister(const char *channel, const char *name,
- ust_marker_probe_func *probe, void *probe_private);
-/*
- * Unregister a marker by providing the registered private data.
- */
-extern int ust_marker_probe_unregister_private_data(ust_marker_probe_func *probe,
- void *probe_private);
-
-extern void *ust_marker_get_private_data(const char *channel, const char *name,
- ust_marker_probe_func *probe, int num);
-
-/*
- * ust_marker_synchronize_unregister must be called between the last
- * marker probe unregistration and the first one of
- * - the end of library exit function
- * - the free of any resource used by the probes
- * to ensure the code and data are valid for any possibly running probes.
- */
-#define ust_marker_synchronize_unregister() synchronize_rcu()
-
-struct ust_marker_iter {
- struct ust_marker_lib *lib;
- struct ust_marker * const *ust_marker;
-};
-
-extern void ust_marker_iter_start(struct ust_marker_iter *iter);
-extern void ust_marker_iter_next(struct ust_marker_iter *iter);
-extern void ust_marker_iter_stop(struct ust_marker_iter *iter);
-extern void ust_marker_iter_reset(struct ust_marker_iter *iter);
-
-extern int is_ust_marker_enabled(const char *channel, const char *name);
-
-extern void ust_marker_set_new_ust_marker_cb(void (*cb)(struct ust_marker *));
-extern void init_ust_marker(void);
-
-void lock_ust_marker(void);
-void unlock_ust_marker(void);
-
-#endif /* _UST_MARKER_INTERNAL_H */
+++ /dev/null
-#ifndef _UST_MARKER_H
-#define _UST_MARKER_H
-
-/*
- * Code markup for dynamic and static tracing.
- *
- * See Documentation/marker.txt.
- *
- * (C) Copyright 2006 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
- * (C) Copyright 2009 Pierre-Marc Fournier <pierre-marc dot fournier at polymtl dot ca>
- * (C) Copyright 2011 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;
- * 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
- */
-
-#include <stdarg.h>
-#include <stdint.h>
-#include <stddef.h>
-#include <bits/wordsize.h>
-#include <urcu/list.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct ust_marker;
-struct ust_marker_probe_array;
-
-/**
- * ust_marker_probe_func - Type of a marker probe function
- * @mdata: marker data
- * @probe_private: probe private data
- * @call_private: call site private data
- * @fmt: format string
- * @args: variable argument list pointer. Use a pointer to overcome C's
- * inability to pass this around as a pointer in a portable manner in
- * the callee otherwise.
- *
- * Type of marker probe functions. They receive the mdata and need to parse the
- * format string to recover the variable argument list.
- */
-typedef void ust_marker_probe_func(const struct ust_marker *mdata,
- void *probe_private, void *call_private,
- const char *fmt, va_list *args);
-
-struct ust_marker_probe_closure {
- ust_marker_probe_func *func; /* Callback */
- void *probe_private; /* Private probe data */
-};
-
-struct ust_marker {
- const char *channel; /* Name of channel where to send data */
- const char *name; /* Marker name */
- const char *format; /* Marker format string, describing the
- * variable argument list.
- */
- char state; /* State. */
- char ptype; /* probe type : 0 : single, 1 : multi */
- /* Probe wrapper */
- uint16_t channel_id; /* Numeric channel identifier, dynamic */
- uint16_t event_id; /* Numeric event identifier, dynamic */
- void (*call)(const struct ust_marker *mdata, void *call_private, ...);
- struct ust_marker_probe_closure single;
- struct ust_marker_probe_array *multi;
- const char *tp_name; /* Optional tracepoint name */
- void *tp_cb; /* Optional tracepoint callback */
-};
-
-/*
- * We keep the "channel" as internal field for marker.c *only*. It will be
- * removed soon.
- */
-
-/*
- * __ust_marker_ptrs section is not const (read-only) because it needs to be
- * read-write to let the linker apply relocations and keep the object PIC.
- */
-#define _DEFINE_UST_MARKER(channel, name, tp_name_str, tp_cb, format) \
- static const char __mstrtab_##channel##_##name[] \
- __attribute__((section("__ust_markers_strings"))) \
- = #channel "\0" #name "\0" format; \
- static struct ust_marker __ust_marker_def_##name \
- __attribute__((section("__ust_markers"))) = \
- { __mstrtab_##channel##_##name, \
- &__mstrtab_##channel##_##name[sizeof(#channel)], \
- &__mstrtab_##channel##_##name[sizeof(#channel) + \
- sizeof(#name)], \
- 0, 0, 0, 0, ust_marker_probe_cb, \
- { __ust_marker_empty_function, NULL}, \
- NULL, tp_name_str, tp_cb }; \
- static struct ust_marker * __ust_marker_ptr_##name \
- __attribute__((used, section("__ust_marker_ptrs"))) = \
- &__ust_marker_def_##name
-
-/*
- * Make sure the alignment of the structure in the __ust_marker section will
- * not add unwanted padding between the beginning of the section and the
- * structure. Force alignment to the same alignment as the section start.
- */
-
-#define __ust_marker(channel, name, call_private, format, args...) \
- do { \
- _DEFINE_UST_MARKER(channel, name, NULL, NULL, format); \
- __ust_marker_check_format(format, ## args); \
- if (__builtin_expect(!!(__ust_marker_def_##name.state), 0)) \
- (__ust_marker_def_##name.call) \
- (&__ust_marker_def_##name, call_private,\
- ## args); \
- } while (0)
-
-/**
- * ust_marker - Marker using code patching
- * @name: marker name, not quoted.
- * @format: format string
- * @args...: variable argument list
- *
- * Places a marker at caller site.
- */
-#define ust_marker(name, format, args...) \
- __ust_marker(ust, name, NULL, format, ## args)
-
-static inline __attribute__((deprecated))
-void __trace_mark_is_deprecated()
-{
-}
-
-/**
- * UST_MARKER_NOARGS - Format string for a marker with no argument.
- */
-#define UST_MARKER_NOARGS " "
-
-/* To be used for string format validity checking with gcc */
-static inline
-void __attribute__((format(printf, 1, 2)))
- ___ust_marker_check_format(const char *fmt, ...)
-{
-}
-
-#define __ust_marker_check_format(format, args...) \
- do { \
- if (0) \
- ___ust_marker_check_format(format, ## args); \
- } while (0)
-
-extern ust_marker_probe_func __ust_marker_empty_function;
-
-extern void ust_marker_probe_cb(const struct ust_marker *mdata,
- void *call_private, ...);
-
-struct ust_marker_lib {
- struct ust_marker * const *ust_marker_start;
- int ust_marker_count;
- struct cds_list_head list;
-};
-
-#define UST_MARKER_LIB \
- extern struct ust_marker * const __start___ust_marker_ptrs[] __attribute__((weak, visibility("hidden"))); \
- extern struct ust_marker * const __stop___ust_marker_ptrs[] __attribute__((weak, visibility("hidden"))); \
- static struct ust_marker * __ust_marker_ptr_dummy \
- __attribute__((used, section("__ust_marker_ptrs"))); \
- \
- static void __attribute__((constructor)) __ust_marker__init(void) \
- { \
- ust_marker_register_lib(__start___ust_marker_ptrs, \
- __stop___ust_marker_ptrs \
- - __start___ust_marker_ptrs); \
- } \
- \
- static void __attribute__((destructor)) __ust_marker__destroy(void) \
- { \
- ust_marker_unregister_lib(__start___ust_marker_ptrs); \
- }
-
-extern
-int ust_marker_register_lib(struct ust_marker * const *ust_marker_start,
- int ust_marker_count);
-extern
-int ust_marker_unregister_lib(struct ust_marker * const *ust_marker_start);
-
-/*
- * trace_mark() -- DEPRECATED
- * @channel: name prefix, not quoted. Ignored.
- * @name: marker name, not quoted.
- * @format: format string
- * @args...: variable argument list
- *
- * Kept as a compatibility API and is *DEPRECATED* in favor of
- * ust_marker().
- */
-#define trace_mark(channel, name, format, args...) \
- __trace_mark_is_deprecated(); \
- ust_marker(name, format, ## args)
-
-static inline __attribute__((deprecated))
-void __MARKER_LIB_IS_DEPRECATED()
-{
-}
-
-/*
- * MARKER_LIB is kept for backward compatibility and is *DEPRECATED*.
- * Use UST_MARKER_LIB instead.
- */
-#define MARKER_LIB \
- __MARKER_LIB_IS_DEPRECATED(); \
- UST_MARKER_LIB
-
-/**
- * MARKER_NOARGS - Compatibility API. *DEPRECATED*. Use
- * UST_MARKER_NOARGS instead.
- */
-#define MARK_NOARGS UST_MARKER_NOARGS
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _UST_MARKER_H */
projects / lttng-ust.git / commitdiff
