--- /dev/null
+/*
+ * Copyright (C) 2013 Paul Woegerer <paul_woegerer@mentor.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#define _GNU_SOURCE
+#include <dlfcn.h>
+#include <link.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <stdio.h>
+#include "usterr.h"
+
+#include "lttng-ust-baddr.h"
+
+#define TRACEPOINT_DEFINE
+#include "ust_baddr_statedump.h"
+
+static int
+extract_soinfo_events(struct dl_phdr_info *info, size_t size, void *data)
+{
+ int j;
+ int num_loadable_segment = 0;
+
+ for (j = 0; j < info->dlpi_phnum; j++) {
+ char resolved_path[PATH_MAX];
+ struct stat sostat;
+ void *base_addr_ptr;
+
+ if (info->dlpi_phdr[j].p_type != PT_LOAD)
+ continue;
+
+ /* Calculate virtual memory address of the loadable segment */
+ base_addr_ptr = (void *) info->dlpi_addr
+ + info->dlpi_phdr[j].p_vaddr;
+
+ num_loadable_segment += 1;
+ if ((info->dlpi_name == NULL || info->dlpi_name[0] == 0)
+ && num_loadable_segment == 1) {
+ /*
+ * If the iterated element is the executable itself we
+ * have to use Dl_info to determine its full path
+ */
+ Dl_info dl_info = { 0 };
+ if (!dladdr(base_addr_ptr, &dl_info))
+ return 0;
+ if (!realpath(dl_info.dli_fname, resolved_path))
+ return 0;
+ } else {
+ /*
+ * For regular dl_phdr_info entries we have to check if
+ * the path to the shared object really exists
+ */
+ if (!realpath(info->dlpi_name, resolved_path)) {
+ /* Found vDSO, put the 'path' into brackets */
+ snprintf(resolved_path, PATH_MAX - 1, "[%s]",
+ info->dlpi_name);
+ }
+ }
+
+ if (stat(resolved_path, &sostat)) {
+ sostat.st_size = 0;
+ sostat.st_mtime = -1;
+ }
+
+ tracepoint(ust_baddr_statedump, soinfo,
+ (struct lttng_session *) data, base_addr_ptr,
+ resolved_path, sostat.st_size, sostat.st_mtime);
+
+ /*
+ * We are only interested in the base address (lowest virtual
+ * address associated with the memory image), skip the rest
+ */
+ break;
+ }
+ return 0;
+}
+
+int
+lttng_ust_baddr_statedump(struct lttng_session *session)
+{
+ if (getenv("LTTNG_UST_WITHOUT_BADDR_STATEDUMP"))
+ return 0;
+ /*
+ * Iterate through the list of currently loaded shared objects and
+ * generate events for loadable segments using extract_soinfo_events
+ */
+ dl_iterate_phdr(extract_soinfo_events, session);
+ return 0;
+}