X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=markers-userspace%2Fmarker-lib.c;h=e5ae4fb8baa174bdbd4832b72a9068b6337dcea2;hb=b664a2ae00538bbd7b68623677158f43ec240d1c;hp=da5bcaa33802bbc2c9ae6acbf5d73f295eb26fa4;hpb=99c5a0863a248fe49e6fb0463e0661673f1c8f67;p=lttv.git

diff --git a/markers-userspace/marker-lib.c b/markers-userspace/marker-lib.c
index da5bcaa3..e5ae4fb8 100644
--- a/markers-userspace/marker-lib.c
+++ b/markers-userspace/marker-lib.c
@@ -1,5 +1,10 @@
 
 #include "marker.h"
+#include <stdio.h>
+#include <errno.h>
+
+extern struct marker __start___markers[];
+extern struct marker __stop___markers[];
 
 /**
  * __mark_empty_function - Empty probe callback
@@ -29,6 +34,42 @@ void __mark_empty_function(void *probe_private, void *call_private,
 void marker_probe_cb(const struct marker *mdata, void *call_private,
 	const char *fmt, ...)
 {
+	static unsigned int count = 0;
+
+	printf("Test probe function %u\n", count++);
+}
 
+//FIXME : imv_read won't work with optimized immediate values.
+//will need to issue one sys_marker call for each immediate value.
+
+__attribute__((constructor)) void marker_init(void)
+{
+	struct marker *iter;
+	int ret;
+
+	printf("Marker section : from %p to %p (init)\n",
+		__start___markers, __stop___markers);
+	for (iter = __start___markers; iter < __stop___markers; iter++) {
+		printf("Marker : %s\n", iter->name);
+		ret = sys_marker(iter->name, iter->format,
+			&imv_read(iter->state), 1);
+		if (ret)
+			perror("Error connecting markers");
+	}
+}
+
+__attribute__((destructor)) void marker_fini(void)
+{
+	struct marker *iter;
+	int ret;
 
+	printf("Marker section : from %p to %p (fini)\n",
+		__start___markers, __stop___markers);
+	for (iter = __start___markers; iter < __stop___markers; iter++) {
+		printf("Marker : %s\n", iter->name);
+		ret = sys_marker(iter->name, iter->format,
+			&imv_read(iter->state), 0);
+		if (ret)
+			perror("Error disconnecting markers");
+	}
 }