X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-ust-baddr.c;h=922899b44e50406042d47480e713686350a3c703;hb=refs%2Fheads%2Fstable-2.5;hp=df0ba457da85ce2baf0d9151f739de371588c7e5;hpb=5aed31fc78ae3bd62d67ea52bad4615b71e45d0f;p=lttng-ust.git

diff --git a/liblttng-ust/lttng-ust-baddr.c b/liblttng-ust/lttng-ust-baddr.c
index df0ba457..922899b4 100644
--- a/liblttng-ust/lttng-ust-baddr.c
+++ b/liblttng-ust/lttng-ust-baddr.c
@@ -18,7 +18,6 @@
 
 #define _LGPL_SOURCE
 #define _GNU_SOURCE
-#include <dlfcn.h>
 #include <link.h>
 
 #include <sys/types.h>
@@ -36,6 +35,8 @@
 #include "lttng-ust-baddr.h"
 
 #define TRACEPOINT_DEFINE
+#define TRACEPOINT_CREATE_PROBES
+#define TP_SESSION_CHECK
 #include "ust_baddr_statedump.h"
 
 struct extract_data {
@@ -153,21 +154,22 @@ static
 void dump_exec_baddr(struct extract_data *data)
 {
 	void *owner = data->owner;
-	Dl_info dl_info = { 0 };
 	void *base_addr_ptr;
-	char resolved_path[PATH_MAX];
+	char exe_path[PATH_MAX];
+	ssize_t exe_len;
 
 	base_addr_ptr = data->exec_baddr;
 	if (!base_addr_ptr)
 		return;
 	/*
-	 * We have to use Dl_info to determine the executable full path.
+	 * We have to use /proc/self/exe to determine the executable full
+	 * path.
 	 */
-	if (!dladdr(base_addr_ptr, &dl_info))
+	exe_len = readlink("/proc/self/exe", exe_path, sizeof(exe_path) - 1);
+	if (exe_len <= 0)
 		return;
-	if (!realpath(dl_info.dli_fname, resolved_path))
-		return;
-	trace_baddr(base_addr_ptr, resolved_path, 0, owner);
+	exe_path[exe_len] = '\0';
+	trace_baddr(base_addr_ptr, exe_path, 0, owner);
 }
 
 int lttng_ust_baddr_statedump(void *owner)
@@ -194,3 +196,17 @@ int lttng_ust_baddr_statedump(void *owner)
 	dump_exec_baddr(&data);
 	return 0;
 }
+
+void lttng_ust_baddr_statedump_init(void)
+{
+	__tracepoints__init();
+	__tracepoints__ptrs_init();
+	__lttng_events_init__ust_baddr_statedump();
+}
+
+void lttng_ust_baddr_statedump_destroy(void)
+{
+	__lttng_events_exit__ust_baddr_statedump();
+	__tracepoints__ptrs_destroy();
+	__tracepoints__destroy();
+}