Add support for ppc hw tb clock, remove kernelcompat.h

[ust.git] / include / ust / tracepoint.h

diff --git a/include/ust/tracepoint.h b/include/ust/tracepoint.h
index 7cfdbb01adbd4882a25165a9292170d63f0ba4df..be35f92665e7d69eeaf6633f95c535c213262c9b 100644 (file)
--- a/include/ust/tracepoint.h
+++ b/include/ust/tracepoint.h
@@ -1,5 +1,5 @@
-#ifndef _LINUX_TRACEPOINT_H
-#define _LINUX_TRACEPOINT_H
+#ifndef _UST_TRACEPOINT_H
+#define _UST_TRACEPOINT_H
 
 /*
  * Copyright (C) 2008 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
@@ -24,15 +24,10 @@
  * Ported to userspace by Pierre-Marc Fournier.
  */
 
-//#include <linux/immediate.h>
-//#include <linux/types.h>
-//#include <linux/rcupdate.h>
-
 #define _LGPL_SOURCE
 #include <urcu-bp.h>
-
 #include <ust/immediate.h>
-#include "kernelcompat.h"
+#include <ust/core.h>
 
 struct module;
 struct tracepoint;
@@ -48,8 +43,8 @@ struct tracepoint {
                                         * Keep in sync with vmlinux.lds.h.
                                         */
 
-#define TPPROTO(args...)       args
-#define TPARGS(args...)                args
+#define TP_PROTO(args...)      args
+#define TP_ARGS(args...)       args
 
 #define CONFIG_TRACEPOINTS
 #ifdef CONFIG_TRACEPOINTS
@@ -77,11 +72,11 @@ struct tracepoint {
                if (!generic) {                                         \
                        if (unlikely(imv_read(__tracepoint_##name.state))) \
                                __DO_TRACE(&__tracepoint_##name,        \
-                                       TPPROTO(proto), TPARGS(args));  \
+                                       TP_PROTO(proto), TP_ARGS(args));        \
                } else {                                                \
                        if (unlikely(_imv_read(__tracepoint_##name.state))) \
                                __DO_TRACE(&__tracepoint_##name,        \
-                                       TPPROTO(proto), TPARGS(args));  \
+                                       TP_PROTO(proto), TP_ARGS(args));        \
                }                                                       \
        } while (0)
 
@@ -99,11 +94,11 @@ struct tracepoint {
        extern struct tracepoint __tracepoint_##name;                   \
        static inline void trace_##name(proto)                          \
        {                                                               \
-               __CHECK_TRACE(name, 0, TPPROTO(proto), TPARGS(args));   \
+               __CHECK_TRACE(name, 0, TP_PROTO(proto), TP_ARGS(args)); \
        }                                                               \
        static inline void _trace_##name(proto)                         \
        {                                                               \
-               __CHECK_TRACE(name, 1, TPPROTO(proto), TPARGS(args));   \
+               __CHECK_TRACE(name, 1, TP_PROTO(proto), TP_ARGS(args)); \
        }                                                               \
        static inline int register_trace_##name(void (*probe)(proto))   \
        {                                                               \
@@ -121,11 +116,6 @@ struct tracepoint {
        __attribute__((section("__tracepoints"), aligned(32))) =        \
                { __tpstrtab_##name, 0, NULL }
 
-#define EXPORT_TRACEPOINT_SYMBOL_GPL(name)                             \
-       EXPORT_SYMBOL_GPL(__tracepoint_##name)
-#define EXPORT_TRACEPOINT_SYMBOL(name)                                 \
-       EXPORT_SYMBOL(__tracepoint_##name)
-
 extern void tracepoint_update_probe_range(struct tracepoint *begin,
        struct tracepoint *end);
 
@@ -200,14 +190,20 @@ struct tracepoint_lib {
 
 extern int tracepoint_register_lib(struct tracepoint *tracepoints_start,
                                   int tracepoints_count);
+extern int tracepoint_unregister_lib(struct tracepoint *tracepoints_start);
 
 #define TRACEPOINT_LIB                                                 \
-       extern struct tracepoint __start___tracepoints[] __attribute__((visibility("hidden"))); \
-       extern struct tracepoint __stop___tracepoints[] __attribute__((visibility("hidden"))); \
+       extern struct tracepoint __start___tracepoints[] __attribute__((weak, visibility("hidden"))); \
+       extern struct tracepoint __stop___tracepoints[] __attribute__((weak, visibility("hidden"))); \
        static void __attribute__((constructor)) __tracepoints__init(void) \
        {                                                               \
                tracepoint_register_lib(__start___tracepoints,          \
                                        (((long)__stop___tracepoints)-((long)__start___tracepoints))/sizeof(struct tracepoint)); \
+       } \
+       \
+       static void __attribute__((destructor)) __tracepoints__destroy(void) \
+       {                                                               \
+               tracepoint_unregister_lib(__start___tracepoints); \
        }
 
-#endif
+#endif /* _UST_TRACEPOINT_H */