2010-05-27 Michael Snyder <msnyder@msnyder-server.eng.vmware.com>

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

diff --git a/gdb/top.c b/gdb/top.c
index b6701b6ab870f11cb9174a549acc88641c9676d6..3687cf7a6ecfc9bffa8b6d4a8cb937073731da01 100644 (file)
--- a/gdb/top.c
+++ b/gdb/top.c
@@ -2,7 +2,7 @@
 
    Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
    1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
-   2008, 2009 Free Software Foundation, Inc.
+   2008, 2009, 2010 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -184,15 +184,6 @@ int remote_debug = 0;
 char *lim_at_start;
 #endif
 
-/* Signal to catch ^Z typed while reading a command: SIGTSTP or SIGCONT.  */
-
-#ifndef STOP_SIGNAL
-#ifdef SIGTSTP
-#define STOP_SIGNAL SIGTSTP
-static void stop_sig (int);
-#endif
-#endif
-
 /* Hooks for alternate command interfaces.  */
 
 /* Called after most modules have been initialized, but before taking users
@@ -259,9 +250,6 @@ void (*deprecated_interactive_hook) (void);
    that several registers have changed (see value_assign). */
 void (*deprecated_register_changed_hook) (int regno);
 
-/* Tell the GUI someone changed LEN bytes of memory at ADDR */
-void (*deprecated_memory_changed_hook) (CORE_ADDR addr, int len);
-
 /* Called when going to wait for the target.  Usually allows the GUI to run
    while waiting for target events.  */
 
@@ -310,7 +298,7 @@ quit_cover (void *s)
 /* NOTE 1999-04-29: This variable will be static again, once we modify
    gdb to use the event loop as the default command loop and we merge
    event-top.c into this file, top.c */
-/* static */ char *source_file_name;
+/* static */ const char *source_file_name;
 
 /* Clean up on error during a "source" command (or execution of a
    user-defined command).  */
@@ -372,7 +360,6 @@ execute_command (char *p, int from_tty)
 #ifdef HAVE_SBRK
   long space_at_cmd_start = 0;
 #endif
-  extern int display_time;
   extern int display_space;
 
   if (target_can_async_p ())
@@ -383,6 +370,7 @@ execute_command (char *p, int from_tty)
        {
 #ifdef HAVE_SBRK
          char *lim = (char *) sbrk (0);
+
          space_at_cmd_start = lim - lim_at_start;
 #endif
        }
@@ -528,6 +516,7 @@ command_loop (void)
        {
 #ifdef HAVE_SBRK
          char *lim = (char *) sbrk (0);
+
          space_at_cmd_start = lim - lim_at_start;
 #endif
        }
@@ -551,6 +540,7 @@ command_loop (void)
        {
 #ifdef HAVE_SBRK
          char *lim = (char *) sbrk (0);
+
          long space_now = lim - lim_at_start;
          long space_diff = space_now - space_at_cmd_start;
 
@@ -788,57 +778,6 @@ gdb_readline_wrapper (char *prompt)
 }
 
 \f
-#ifdef STOP_SIGNAL
-static void
-stop_sig (int signo)
-{
-#if STOP_SIGNAL == SIGTSTP
-  signal (SIGTSTP, SIG_DFL);
-#if HAVE_SIGPROCMASK
-  {
-    sigset_t zero;
-
-    sigemptyset (&zero);
-    sigprocmask (SIG_SETMASK, &zero, 0);
-  }
-#elif HAVE_SIGSETMASK
-  sigsetmask (0);
-#endif
-  kill (getpid (), SIGTSTP);
-  signal (SIGTSTP, stop_sig);
-#else
-  signal (STOP_SIGNAL, stop_sig);
-#endif
-  printf_unfiltered ("%s", get_prompt ());
-  gdb_flush (gdb_stdout);
-
-  /* Forget about any previous command -- null line now will do nothing.  */
-  dont_repeat ();
-}
-#endif /* STOP_SIGNAL */
-
-/* Initialize signal handlers. */
-static void
-float_handler (int signo)
-{
-  /* This message is based on ANSI C, section 4.7.  Note that integer
-     divide by zero causes this, so "float" is a misnomer.  */
-  signal (SIGFPE, float_handler);
-  error (_("Erroneous arithmetic operation."));
-}
-
-static void
-do_nothing (int signo)
-{
-  /* Under System V the default disposition of a signal is reinstated after
-     the signal is caught and delivered to an application process.  On such
-     systems one must restore the replacement signal handler if one wishes
-     to continue handling the signal in one's program.  On BSD systems this
-     is not needed but it is harmless, and it simplifies the code to just do
-     it unconditionally. */
-  signal (signo, do_nothing);
-}
-
 /* The current saved history number from operate-and-get-next.
    This is -1 if not valid.  */
 static int operate_saved_history = -1;
@@ -849,6 +788,7 @@ static void
 gdb_rl_operate_and_get_next_completion (void)
 {
   int delta = where_history () - operate_saved_history;
+
   /* The `key' argument to rl_get_previous_history is ignored.  */
   rl_get_previous_history (delta, 0);
   operate_saved_history = -1;
@@ -1121,7 +1061,7 @@ print_gdb_version (struct ui_file *stream)
 
   /* Second line is a copyright notice. */
 
-  fprintf_filtered (stream, "Copyright (C) 2009 Free Software Foundation, Inc.\n");
+  fprintf_filtered (stream, "Copyright (C) 2010 Free Software Foundation, Inc.\n");
 
   /* Following the copyright is a brief statement that the program is
      free software, that users are free to copy and change it on
@@ -1579,8 +1519,6 @@ Notification of completion for asynchronous execution commands is %s.\n"),
 static void
 init_main (void)
 {
-  struct cmd_list_element *c;
-
   /* initialize the prompt stack to a simple "(gdb) " prompt or to
      whatever the DEFAULT_PROMPT is.  */
   the_prompts.top = 0;