Fix the remote-sim.c build

[binutils-gdb.git] / gdb / linux-thread-db.c

diff --git a/gdb/linux-thread-db.c b/gdb/linux-thread-db.c
index ac85ea39bba0a9c7398eb65a32018abe0b22660a..a0cfeb1685b8a472275cca3163ff193c15787add 100644 (file)
--- a/gdb/linux-thread-db.c
+++ b/gdb/linux-thread-db.c
@@ -1,6 +1,6 @@
 /* libthread_db assisted debugging support, generic parts.
 
-   Copyright (C) 1999-2021 Free Software Foundation, Inc.
+   Copyright (C) 1999-2022 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -110,7 +110,7 @@ public:
   gdb::byte_vector thread_info_to_thread_handle (struct thread_info *) override;
 };
 
-static char *libthread_db_search_path;
+static std::string libthread_db_search_path = LIBTHREAD_DB_SEARCH_PATH;
 
 /* Set to true if thread_db auto-loading is enabled
    by the "set auto-load libthread-db" command.  */
@@ -135,11 +135,8 @@ static void
 set_libthread_db_search_path (const char *ignored, int from_tty,
                              struct cmd_list_element *c)
 {
-  if (*libthread_db_search_path == '\0')
-    {
-      xfree (libthread_db_search_path);
-      libthread_db_search_path = xstrdup (LIBTHREAD_DB_SEARCH_PATH);
-    }
+  if (libthread_db_search_path.empty ())
+    libthread_db_search_path = LIBTHREAD_DB_SEARCH_PATH;
 }
 
 /* If non-zero, print details of libthread_db processing.  */
@@ -941,7 +938,7 @@ try_thread_db_load_1 (struct thread_db_info *info)
 
   printf_unfiltered (_("[Thread debugging using libthread_db enabled]\n"));
 
-  if (*libthread_db_search_path || libthread_db_debug)
+  if (!libthread_db_search_path.empty () || libthread_db_debug)
     {
       struct ui_file *file;
       const char *library;
@@ -954,7 +951,7 @@ try_thread_db_load_1 (struct thread_db_info *info)
         disabled, still print it to gdb_stdout if debug output is
         enabled.  User visible output should not depend on debug
         settings.  */
-      file = *libthread_db_search_path != '\0' ? gdb_stdout : gdb_stdlog;
+      file = !libthread_db_search_path.empty () ? gdb_stdout : gdb_stdlog;
       fprintf_unfiltered (file,
                          _("Using host libthread_db library \"%ps\".\n"),
                          styled_string (file_name_style.style (), library));
@@ -1142,7 +1139,7 @@ thread_db_load_search (void)
   bool rc = false;
 
   std::vector<gdb::unique_xmalloc_ptr<char>> dir_vec
-    = dirnames_to_char_ptr_vec (libthread_db_search_path);
+    = dirnames_to_char_ptr_vec (libthread_db_search_path.c_str ());
 
   for (const gdb::unique_xmalloc_ptr<char> &this_dir_up : dir_vec)
     {
@@ -1410,7 +1407,7 @@ thread_db_target::wait (ptid_t ptid, struct target_waitstatus *ourstatus,
 
   ptid = beneath->wait (ptid, ourstatus, options);
 
-  switch (ourstatus->kind)
+  switch (ourstatus->kind ())
     {
     case TARGET_WAITKIND_IGNORE:
     case TARGET_WAITKIND_EXITED:
@@ -2005,8 +2002,6 @@ _initialize_thread_db ()
      and until there is a running inferior, we can't tell which
      libthread_db is the correct one to load.  */
 
-  libthread_db_search_path = xstrdup (LIBTHREAD_DB_SEARCH_PATH);
-
   add_setshow_optional_filename_cmd ("libthread-db-search-path",
                                     class_support,
                                     &libthread_db_search_path, _("\