X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fuserspace-probe.h;h=9378eda8a0a149cfb9509b0b1f1256ed88f4f015;hp=4c92c36b2d0abc9956cf7f97b41acc9d86cdc760;hb=a94797228bb9f0752e012d67d45f49af0c76d9c3;hpb=394357fe3de7a15a81b5a25bddf3d82a64c1f65a

diff --git a/include/lttng/userspace-probe.h b/include/lttng/userspace-probe.h
index 4c92c36b2..9378eda8a 100644
--- a/include/lttng/userspace-probe.h
+++ b/include/lttng/userspace-probe.h
@@ -32,6 +32,7 @@ enum lttng_userspace_probe_location_lookup_method_type {
 	LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_UNKNOWN	    = -1,
 	LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT  = 0,
 	LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF	    = 1,
+	LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT    = 2,
 };
 
 /*
@@ -54,6 +55,13 @@ extern void lttng_userspace_probe_location_lookup_method_destroy(
 extern struct lttng_userspace_probe_location_lookup_method *
 lttng_userspace_probe_location_lookup_method_function_elf_create(void);
 
+/*
+ * Create a tracepoint SDT tracepoint lookup method struct.
+ * Return NULL on failure.
+ */
+extern struct lttng_userspace_probe_location_lookup_method *
+lttng_userspace_probe_location_lookup_method_tracepoint_sdt_create(void);
+
 
 /*
  * Contains all the information needed to compute the instrumentation point in
@@ -63,7 +71,10 @@ struct lttng_userspace_probe_location;
 
 enum lttng_userspace_probe_location_type {
 	LTTNG_USERSPACE_PROBE_LOCATION_TYPE_UNKNOWN	= -1,
+	/* Traces a function's entry and exit. */
 	LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION	= 0,
+	/* Trace a single point. */
+	LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT	= 1,
 };
 
 /*
@@ -117,10 +128,50 @@ extern int lttng_userspace_probe_location_function_get_binary_fd(
  *
  * The ownership of the lookup method is NOT transferred to the caller.
  */
-extern struct lttng_userspace_probe_location_lookup_method *
+extern const struct lttng_userspace_probe_location_lookup_method *
 lttng_userspace_probe_location_get_lookup_method(
 		const struct lttng_userspace_probe_location *location);
 
+/*
+ * Create a probe location of the tracepoint type.
+ * Receives the target binary file path, probename and probe provider to
+ * instrument.
+ * On failure, NULL is returned.
+ *
+ * The ownership of the lookup method is transferred to the created probe
+ * location.
+ */
+extern struct lttng_userspace_probe_location *
+lttng_userspace_probe_location_tracepoint_create(const char *binary_path,
+		const char *probe_name, const char *provider_name,
+		struct lttng_userspace_probe_location_lookup_method *lookup_method);
+
+/*
+ * Get the target binary path of the probe location of the tracepoint type.
+ */
+extern const char *lttng_userspace_probe_location_tracepoint_get_binary_path(
+		const struct lttng_userspace_probe_location *location);
+
+/*
+ * Get the target probe name of the probe location of the tracepoint type.
+ */
+extern const char *lttng_userspace_probe_location_tracepoint_get_probe_name(
+		const struct lttng_userspace_probe_location *location);
+
+/*
+ * Get the target probe provider name of the probe location of the tracepoint
+ * type.
+ */
+extern const char *lttng_userspace_probe_location_tracepoint_get_provider_name(
+		const struct lttng_userspace_probe_location *location);
+
+/*
+ * Get the FD to the target binary file to the probe location of the tracepoint
+ * type.
+ */
+extern int lttng_userspace_probe_location_tracepoint_get_binary_fd(
+		const struct lttng_userspace_probe_location *location);
+
 #ifdef __cplusplus
 }
 #endif