X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=wrapper%2Ftracepoint.h;h=43dabc7e8b99c625fe41628ed920162e4ac1b253;hb=2d0428212cbfa3f8428feee160b095f48c2ac974;hp=208a8ab3ddbb11ceefe1b8e9010e96f42843b83e;hpb=9f36eaed6f91d5897924b551b44d1edd8cee00e2;p=lttng-modules.git

diff --git a/wrapper/tracepoint.h b/wrapper/tracepoint.h
index 208a8ab3..43dabc7e 100644
--- a/wrapper/tracepoint.h
+++ b/wrapper/tracepoint.h
@@ -10,14 +10,16 @@
 #ifndef _LTTNG_WRAPPER_TRACEPOINT_H
 #define _LTTNG_WRAPPER_TRACEPOINT_H
 
-#include <linux/version.h>
+#include <lttng-kernel-version.h>
 #include <linux/tracepoint.h>
 #include <linux/module.h>
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
-
-#define DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, print)
-
+#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
 
 #ifndef HAVE_KABI_2635_TRACEPOINT
@@ -27,14 +29,14 @@
 
 #endif /* HAVE_KABI_2635_TRACEPOINT */
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,15,0))
 
 #include <lttng-tracepoint.h>
 
 #define lttng_wrapper_tracepoint_probe_register lttng_tracepoint_probe_register
 #define lttng_wrapper_tracepoint_probe_unregister lttng_tracepoint_probe_unregister
 
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
+#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,15,0)) */
 
 #define lttng_wrapper_tracepoint_probe_register kabi_2635_tracepoint_probe_register
 #define lttng_wrapper_tracepoint_probe_unregister kabi_2635_tracepoint_probe_unregister
@@ -50,9 +52,9 @@ void lttng_tracepoint_exit(void)
 {
 }
 
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
+#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,15,0)) */
 
-#ifdef CONFIG_MODULE_SIG
+#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,15,0) && defined(CONFIG_MODULE_SIG))
 
 #include <linux/kallsyms.h>
 #include <wrapper/kallsyms.h>
@@ -74,9 +76,20 @@ int wrapper_tracepoint_module_notify(struct notifier_block *nb,
 	}
 }
 
-#endif /* CONFIG_MODULE_SIG */
+/*
+ * No canary for 'tracepoint_module_notify()', it's only defined in 'kernel/tracepoint.c'.
+ *
+ * static inline
+ * int __canary__tracepoint_module_notify(struct notifier_block *nb,
+ * 		unsigned long val, struct module *mod)
+ * {
+ * 	return tracepoint_module_notify(nb, val, mod);
+ * }
+ */
+
+#endif /* #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,15,0) && defined(CONFIG_MODULE_SIG)) */
 
-#if defined(CONFIG_MODULE_SIG) && defined(MODULE)
+#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,15,0) && defined(CONFIG_MODULE_SIG) && defined(MODULE))
 
 static inline
 int wrapper_lttng_fixup_sig(struct module *mod)
@@ -97,7 +110,7 @@ int wrapper_lttng_fixup_sig(struct module *mod)
 	return ret;
 }
 
-#else /* #if defined(CONFIG_MODULE_SIG) && defined(MODULE) */
+#else /* #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,15,0) && defined(CONFIG_MODULE_SIG) && defined(MODULE)) */
 
 static inline
 int wrapper_lttng_fixup_sig(struct module *mod)
@@ -105,6 +118,18 @@ int wrapper_lttng_fixup_sig(struct module *mod)
 	return 0;
 }
 
-#endif /*#else #if defined(CONFIG_MODULE_SIG) && defined(MODULE) */
+#endif /* #else #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,15,0) && defined(CONFIG_MODULE_SIG) && defined(MODULE)) */
+
+#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 */