elf/x86: Issue an error on discarded output .plt section

[binutils-gdb.git] / gdb / serial.c

diff --git a/gdb/serial.c b/gdb/serial.c
index 804ef1826764b2344c5e8b58809090331d90abaa..f85455dabcdf2ff5defcc8eacdc52fe5515a2ef2 100644 (file)
--- a/gdb/serial.c
+++ b/gdb/serial.c
@@ -1,6 +1,6 @@
 /* Generic serial interface routines
 
-   Copyright (C) 1992-2020 Free Software Foundation, Inc.
+   Copyright (C) 1992-2021 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -38,7 +38,7 @@ static struct serial *scb_base;
 /* Non-NULL gives filename which contains a recording of the remote session,
    suitable for playback by gdbserver.  */
 
-static char *serial_logfile = NULL;
+static std::string serial_logfile;
 static struct ui_file *serial_logfp = NULL;
 
 static const struct serial_ops *serial_interface_lookup (const char *);
@@ -216,7 +216,7 @@ serial_open (const char *name)
     {
 #ifndef USE_WIN32API
       /* Check to see if name is a socket.  If it is, then treat it
-         as such.  Otherwise assume that it's a character device.  */
+        as such.  Otherwise assume that it's a character device.  */
       struct stat sb;
       if (stat (name, &sb) == 0 && (sb.st_mode & S_IFMT) == S_IFSOCK)
        ops = serial_interface_lookup ("local");
@@ -247,15 +247,16 @@ serial_open_ops_1 (const struct serial_ops *ops, const char *open_name)
       return NULL;
     }
 
+  scb->name = open_name != NULL ? xstrdup (open_name) : NULL;
   scb->next = scb_base;
   scb_base = scb;
 
-  if (serial_logfile != NULL)
+  if (!serial_logfile.empty ())
     {
       stdio_file_up file (new stdio_file ());
 
-      if (!file->open (serial_logfile, "w"))
-       perror_with_name (serial_logfile);
+      if (!file->open (serial_logfile.c_str (), "w"))
+       perror_with_name (serial_logfile.c_str ());
 
       serial_logfp = file.release ();
     }
@@ -283,7 +284,7 @@ serial_fdopen_ops (const int fd, const struct serial_ops *ops)
     {
       ops = serial_interface_lookup ("terminal");
       if (!ops)
-       ops = serial_interface_lookup ("hardwire");
+       ops = serial_interface_lookup ("hardwire");
     }
 
   if (!ops)
@@ -291,6 +292,7 @@ serial_fdopen_ops (const int fd, const struct serial_ops *ops)
 
   scb = new_serial (ops);
 
+  scb->name = NULL;
   scb->next = scb_base;
   scb_base = scb;
 
@@ -330,6 +332,8 @@ do_serial_close (struct serial *scb, int really_close)
   if (really_close)
     scb->ops->close (scb);
 
+  xfree (scb->name);
+
   /* For serial_is_open.  */
   scb->bufp = NULL;
 
@@ -397,7 +401,7 @@ serial_readchar (struct serial *scb, int timeout)
       serial_logchar (serial_logfp, 'r', ch, timeout);
 
       /* Make sure that the log file is as up-to-date as possible,
-         in case we are getting ready to dump core or something.  */
+        in case we are getting ready to dump core or something.  */
       gdb_flush (serial_logfp);
     }
   if (serial_debug_p (scb))
@@ -423,7 +427,7 @@ serial_write (struct serial *scb, const void *buf, size_t count)
        serial_logchar (serial_logfp, 'w', str[c] & 0xff, 0);
 
       /* Make sure that the log file is as up-to-date as possible,
-         in case we are getting ready to dump core or something.  */
+        in case we are getting ready to dump core or something.  */
       gdb_flush (serial_logfp);
     }
   if (serial_debug_p (scb))
@@ -619,24 +623,7 @@ serial_pipe (struct serial *scbs[2])
 static struct cmd_list_element *serial_set_cmdlist;
 static struct cmd_list_element *serial_show_cmdlist;
 
-static void
-serial_set_cmd (const char *args, int from_tty)
-{
-  printf_unfiltered ("\"set serial\" must be followed "
-                    "by the name of a command.\n");
-  help_list (serial_set_cmdlist, "set serial ", all_commands, gdb_stdout);
-}
-
-static void
-serial_show_cmd (const char *args, int from_tty)
-{
-  cmd_show_list (serial_show_cmdlist, from_tty, "");
-}
-
-/* Baud rate specified for talking to serial target systems.  Default
-   is left as -1, so targets can choose their own defaults.  */
-/* FIXME: This means that "show serial baud" and gr_files_info can
-   print -1 or (unsigned int)-1.  This is a Bad User Interface.  */
+/* See serial.h.  */
 
 int baud_rate = -1;
 
@@ -648,7 +635,7 @@ serial_baud_show_cmd (struct ui_file *file, int from_tty,
                    value);
 }
 
-/* Parity for serial port.  */
+/* See serial.h.  */
 
 int serial_parity = GDBPARITY_NONE;
 
@@ -672,8 +659,9 @@ set_parity (const char *ignore_args, int from_tty, struct cmd_list_element *c)
     serial_parity = GDBPARITY_NONE;
 }
 
+void _initialize_serial ();
 void
-_initialize_serial (void)
+_initialize_serial ()
 {
 #if 0
   add_com ("connect", class_obscure, connect_command, _("\
@@ -681,17 +669,11 @@ Connect the terminal directly up to the command monitor.\n\
 Use <CR>~. or <CR>~^D to break out."));
 #endif /* 0 */
 
-  add_prefix_cmd ("serial", class_maintenance, serial_set_cmd, _("\
-Set default serial/parallel port configuration."),
-                 &serial_set_cmdlist, "set serial ",
-                 0/*allow-unknown*/,
-                 &setlist);
-
-  add_prefix_cmd ("serial", class_maintenance, serial_show_cmd, _("\
-Show default serial/parallel port configuration."),
-                 &serial_show_cmdlist, "show serial ",
-                 0/*allow-unknown*/,
-                 &showlist);
+  add_setshow_prefix_cmd ("serial", class_maintenance,
+                         _("Set default serial/parallel port configuration."),
+                         _("Show default serial/parallel port configuration."),
+                         &serial_set_cmdlist, &serial_show_cmdlist,
+                         &setlist, &showlist);
 
   /* If target is open when baud changes, it doesn't take effect until
      the next open (I think, not sure).  */
@@ -705,12 +687,12 @@ using remote targets."),
                            &serial_set_cmdlist, &serial_show_cmdlist);
 
   add_setshow_enum_cmd ("parity", no_class, parity_enums,
-                        &parity, _("\
+                       &parity, _("\
 Set parity for remote serial I/O."), _("\
 Show parity for remote serial I/O."), NULL,
-                        set_parity,
-                        NULL, /* FIXME: i18n: */
-                        &serial_set_cmdlist, &serial_show_cmdlist);
+                       set_parity,
+                       NULL, /* FIXME: i18n: */
+                       &serial_set_cmdlist, &serial_show_cmdlist);
 
   add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\
 Set filename for remote session recording."), _("\