#define _LGPL_SOURCE
#define _GNU_SOURCE
-#include <dlfcn.h>
#include <link.h>
#include <sys/types.h>
#include "lttng-ust-baddr.h"
#define TRACEPOINT_DEFINE
+#define TRACEPOINT_CREATE_PROBES
+#define TP_SESSION_CHECK
#include "ust_baddr_statedump.h"
struct extract_data {
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)
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();
+}