OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [top.c] - Diff between revs 834 and 842

Go to most recent revision | Only display areas with differences | Details | Blame | View Log

Rev 834 Rev 842
/* Top level stuff for GDB, the GNU debugger.
/* Top level stuff for GDB, the GNU debugger.
 
 
   Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
   Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
   1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
   1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
   2008, 2009, 2010 Free Software Foundation, Inc.
   2008, 2009, 2010 Free Software Foundation, Inc.
 
 
   This file is part of GDB.
   This file is part of GDB.
 
 
   This program is free software; you can redistribute it and/or modify
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   (at your option) any later version.
 
 
   This program is distributed in the hope that it will be useful,
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
#include "defs.h"
#include "defs.h"
#include "gdbcmd.h"
#include "gdbcmd.h"
#include "call-cmds.h"
#include "call-cmds.h"
#include "cli/cli-cmds.h"
#include "cli/cli-cmds.h"
#include "cli/cli-script.h"
#include "cli/cli-script.h"
#include "cli/cli-setshow.h"
#include "cli/cli-setshow.h"
#include "cli/cli-decode.h"
#include "cli/cli-decode.h"
#include "symtab.h"
#include "symtab.h"
#include "inferior.h"
#include "inferior.h"
#include "exceptions.h"
#include "exceptions.h"
#include <signal.h>
#include <signal.h>
#include "target.h"
#include "target.h"
#include "breakpoint.h"
#include "breakpoint.h"
#include "gdbtypes.h"
#include "gdbtypes.h"
#include "expression.h"
#include "expression.h"
#include "value.h"
#include "value.h"
#include "language.h"
#include "language.h"
#include "terminal.h"           /* For job_control.  */
#include "terminal.h"           /* For job_control.  */
#include "annotate.h"
#include "annotate.h"
#include "completer.h"
#include "completer.h"
#include "top.h"
#include "top.h"
#include "version.h"
#include "version.h"
#include "serial.h"
#include "serial.h"
#include "doublest.h"
#include "doublest.h"
#include "gdb_assert.h"
#include "gdb_assert.h"
#include "main.h"
#include "main.h"
#include "event-loop.h"
#include "event-loop.h"
#include "gdbthread.h"
#include "gdbthread.h"
 
 
/* readline include files */
/* readline include files */
#include "readline/readline.h"
#include "readline/readline.h"
#include "readline/history.h"
#include "readline/history.h"
 
 
/* readline defines this.  */
/* readline defines this.  */
#undef savestring
#undef savestring
 
 
#include <sys/types.h>
#include <sys/types.h>
 
 
#include "event-top.h"
#include "event-top.h"
#include "gdb_string.h"
#include "gdb_string.h"
#include "gdb_stat.h"
#include "gdb_stat.h"
#include <ctype.h>
#include <ctype.h>
#include "ui-out.h"
#include "ui-out.h"
#include "cli-out.h"
#include "cli-out.h"
 
 
/* Default command line prompt.  This is overriden in some configs. */
/* Default command line prompt.  This is overriden in some configs. */
 
 
#ifndef DEFAULT_PROMPT
#ifndef DEFAULT_PROMPT
#define DEFAULT_PROMPT  "(gdb) "
#define DEFAULT_PROMPT  "(gdb) "
#endif
#endif
 
 
/* Initialization file name for gdb.  This is overridden in some configs.  */
/* Initialization file name for gdb.  This is overridden in some configs.  */
 
 
#ifndef PATH_MAX
#ifndef PATH_MAX
# ifdef FILENAME_MAX
# ifdef FILENAME_MAX
#  define PATH_MAX FILENAME_MAX
#  define PATH_MAX FILENAME_MAX
# else
# else
#  define PATH_MAX 512
#  define PATH_MAX 512
# endif
# endif
#endif
#endif
 
 
#ifndef GDBINIT_FILENAME
#ifndef GDBINIT_FILENAME
#define GDBINIT_FILENAME        ".gdbinit"
#define GDBINIT_FILENAME        ".gdbinit"
#endif
#endif
char gdbinit[PATH_MAX + 1] = GDBINIT_FILENAME;
char gdbinit[PATH_MAX + 1] = GDBINIT_FILENAME;
 
 
int inhibit_gdbinit = 0;
int inhibit_gdbinit = 0;
 
 
/* If nonzero, and GDB has been configured to be able to use windows,
/* If nonzero, and GDB has been configured to be able to use windows,
   attempt to open them upon startup.  */
   attempt to open them upon startup.  */
 
 
int use_windows = 0;
int use_windows = 0;
 
 
extern char lang_frame_mismatch_warn[];         /* language.c */
extern char lang_frame_mismatch_warn[];         /* language.c */
 
 
/* Flag for whether we want all the "from_tty" gubbish printed.  */
/* Flag for whether we want all the "from_tty" gubbish printed.  */
 
 
int caution = 1;                /* Default is yes, sigh. */
int caution = 1;                /* Default is yes, sigh. */
static void
static void
show_caution (struct ui_file *file, int from_tty,
show_caution (struct ui_file *file, int from_tty,
              struct cmd_list_element *c, const char *value)
              struct cmd_list_element *c, const char *value)
{
{
  fprintf_filtered (file, _("\
  fprintf_filtered (file, _("\
Whether to confirm potentially dangerous operations is %s.\n"),
Whether to confirm potentially dangerous operations is %s.\n"),
                    value);
                    value);
}
}
 
 
/* stdio stream that command input is being read from.  Set to stdin normally.
/* stdio stream that command input is being read from.  Set to stdin normally.
   Set by source_command to the file we are sourcing.  Set to NULL if we are
   Set by source_command to the file we are sourcing.  Set to NULL if we are
   executing a user-defined command or interacting via a GUI.  */
   executing a user-defined command or interacting via a GUI.  */
 
 
FILE *instream;
FILE *instream;
 
 
/* Flag to indicate whether a user defined command is currently running.  */
/* Flag to indicate whether a user defined command is currently running.  */
 
 
int in_user_command;
int in_user_command;
 
 
/* Current working directory.  */
/* Current working directory.  */
 
 
char *current_directory;
char *current_directory;
 
 
/* The directory name is actually stored here (usually).  */
/* The directory name is actually stored here (usually).  */
char gdb_dirbuf[1024];
char gdb_dirbuf[1024];
 
 
/* Function to call before reading a command, if nonzero.
/* Function to call before reading a command, if nonzero.
   The function receives two args: an input stream,
   The function receives two args: an input stream,
   and a prompt string.  */
   and a prompt string.  */
 
 
void (*window_hook) (FILE *, char *);
void (*window_hook) (FILE *, char *);
 
 
int epoch_interface;
int epoch_interface;
int xgdb_verbose;
int xgdb_verbose;
 
 
/* Buffer used for reading command lines, and the size
/* Buffer used for reading command lines, and the size
   allocated for it so far.  */
   allocated for it so far.  */
 
 
char *line;
char *line;
int linesize = 100;
int linesize = 100;
 
 
/* Nonzero if the current command is modified by "server ".  This
/* Nonzero if the current command is modified by "server ".  This
   affects things like recording into the command history, commands
   affects things like recording into the command history, commands
   repeating on RETURN, etc.  This is so a user interface (emacs, GUI,
   repeating on RETURN, etc.  This is so a user interface (emacs, GUI,
   whatever) can issue its own commands and also send along commands
   whatever) can issue its own commands and also send along commands
   from the user, and have the user not notice that the user interface
   from the user, and have the user not notice that the user interface
   is issuing commands too.  */
   is issuing commands too.  */
int server_command;
int server_command;
 
 
/* Baud rate specified for talking to serial target systems.  Default
/* Baud rate specified for talking to serial target systems.  Default
   is left as -1, so targets can choose their own defaults.  */
   is left as -1, so targets can choose their own defaults.  */
/* FIXME: This means that "show remotebaud" and gr_files_info can print -1
/* FIXME: This means that "show remotebaud" and gr_files_info can print -1
   or (unsigned int)-1.  This is a Bad User Interface.  */
   or (unsigned int)-1.  This is a Bad User Interface.  */
 
 
int baud_rate = -1;
int baud_rate = -1;
 
 
/* Timeout limit for response from target. */
/* Timeout limit for response from target. */
 
 
/* The default value has been changed many times over the years.  It
/* The default value has been changed many times over the years.  It
   was originally 5 seconds.  But that was thought to be a long time
   was originally 5 seconds.  But that was thought to be a long time
   to sit and wait, so it was changed to 2 seconds.  That was thought
   to sit and wait, so it was changed to 2 seconds.  That was thought
   to be plenty unless the connection was going through some terminal
   to be plenty unless the connection was going through some terminal
   server or multiplexer or other form of hairy serial connection.
   server or multiplexer or other form of hairy serial connection.
 
 
   In mid-1996, remote_timeout was moved from remote.c to top.c and
   In mid-1996, remote_timeout was moved from remote.c to top.c and
   it began being used in other remote-* targets.  It appears that the
   it began being used in other remote-* targets.  It appears that the
   default was changed to 20 seconds at that time, perhaps because the
   default was changed to 20 seconds at that time, perhaps because the
   Renesas E7000 ICE didn't always respond in a timely manner.
   Renesas E7000 ICE didn't always respond in a timely manner.
 
 
   But if 5 seconds is a long time to sit and wait for retransmissions,
   But if 5 seconds is a long time to sit and wait for retransmissions,
   20 seconds is far worse.  This demonstrates the difficulty of using
   20 seconds is far worse.  This demonstrates the difficulty of using
   a single variable for all protocol timeouts.
   a single variable for all protocol timeouts.
 
 
   As remote.c is used much more than remote-e7000.c, it was changed
   As remote.c is used much more than remote-e7000.c, it was changed
   back to 2 seconds in 1999. */
   back to 2 seconds in 1999. */
 
 
int remote_timeout = 2;
int remote_timeout = 2;
 
 
/* Non-zero tells remote* modules to output debugging info.  */
/* Non-zero tells remote* modules to output debugging info.  */
 
 
int remote_debug = 0;
int remote_debug = 0;
 
 
/* Sbrk location on entry to main.  Used for statistics only.  */
/* Sbrk location on entry to main.  Used for statistics only.  */
#ifdef HAVE_SBRK
#ifdef HAVE_SBRK
char *lim_at_start;
char *lim_at_start;
#endif
#endif
 
 
/* Hooks for alternate command interfaces.  */
/* Hooks for alternate command interfaces.  */
 
 
/* Called after most modules have been initialized, but before taking users
/* Called after most modules have been initialized, but before taking users
   command file.
   command file.
 
 
   If the UI fails to initialize and it wants GDB to continue
   If the UI fails to initialize and it wants GDB to continue
   using the default UI, then it should clear this hook before returning. */
   using the default UI, then it should clear this hook before returning. */
 
 
void (*deprecated_init_ui_hook) (char *argv0);
void (*deprecated_init_ui_hook) (char *argv0);
 
 
/* This hook is called from within gdb's many mini-event loops which could
/* This hook is called from within gdb's many mini-event loops which could
   steal control from a real user interface's event loop. It returns
   steal control from a real user interface's event loop. It returns
   non-zero if the user is requesting a detach, zero otherwise. */
   non-zero if the user is requesting a detach, zero otherwise. */
 
 
int (*deprecated_ui_loop_hook) (int);
int (*deprecated_ui_loop_hook) (int);
 
 
/* Called instead of command_loop at top level.  Can be invoked via
/* Called instead of command_loop at top level.  Can be invoked via
   throw_exception().  */
   throw_exception().  */
 
 
void (*deprecated_command_loop_hook) (void);
void (*deprecated_command_loop_hook) (void);
 
 
 
 
/* Called from print_frame_info to list the line we stopped in.  */
/* Called from print_frame_info to list the line we stopped in.  */
 
 
void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, int line,
void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, int line,
                                                  int stopline, int noerror);
                                                  int stopline, int noerror);
/* Replaces most of query.  */
/* Replaces most of query.  */
 
 
int (*deprecated_query_hook) (const char *, va_list);
int (*deprecated_query_hook) (const char *, va_list);
 
 
/* Replaces most of warning.  */
/* Replaces most of warning.  */
 
 
void (*deprecated_warning_hook) (const char *, va_list);
void (*deprecated_warning_hook) (const char *, va_list);
 
 
/* These three functions support getting lines of text from the user.
/* These three functions support getting lines of text from the user.
   They are used in sequence.  First deprecated_readline_begin_hook is
   They are used in sequence.  First deprecated_readline_begin_hook is
   called with a text string that might be (for example) a message for
   called with a text string that might be (for example) a message for
   the user to type in a sequence of commands to be executed at a
   the user to type in a sequence of commands to be executed at a
   breakpoint.  If this function calls back to a GUI, it might take
   breakpoint.  If this function calls back to a GUI, it might take
   this opportunity to pop up a text interaction window with this
   this opportunity to pop up a text interaction window with this
   message.  Next, deprecated_readline_hook is called with a prompt
   message.  Next, deprecated_readline_hook is called with a prompt
   that is emitted prior to collecting the user input.  It can be
   that is emitted prior to collecting the user input.  It can be
   called multiple times.  Finally, deprecated_readline_end_hook is
   called multiple times.  Finally, deprecated_readline_end_hook is
   called to notify the GUI that we are done with the interaction
   called to notify the GUI that we are done with the interaction
   window and it can close it.  */
   window and it can close it.  */
 
 
void (*deprecated_readline_begin_hook) (char *, ...);
void (*deprecated_readline_begin_hook) (char *, ...);
char *(*deprecated_readline_hook) (char *);
char *(*deprecated_readline_hook) (char *);
void (*deprecated_readline_end_hook) (void);
void (*deprecated_readline_end_hook) (void);
 
 
/* Called as appropriate to notify the interface that we have attached
/* Called as appropriate to notify the interface that we have attached
   to or detached from an already running process. */
   to or detached from an already running process. */
 
 
void (*deprecated_attach_hook) (void);
void (*deprecated_attach_hook) (void);
void (*deprecated_detach_hook) (void);
void (*deprecated_detach_hook) (void);
 
 
/* Called during long calculations to allow GUI to repair window damage, and to
/* Called during long calculations to allow GUI to repair window damage, and to
   check for stop buttons, etc... */
   check for stop buttons, etc... */
 
 
void (*deprecated_interactive_hook) (void);
void (*deprecated_interactive_hook) (void);
 
 
/* Tell the GUI someone changed the register REGNO. -1 means
/* Tell the GUI someone changed the register REGNO. -1 means
   that the caller does not know which register changed or
   that the caller does not know which register changed or
   that several registers have changed (see value_assign). */
   that several registers have changed (see value_assign). */
void (*deprecated_register_changed_hook) (int regno);
void (*deprecated_register_changed_hook) (int regno);
 
 
/* Called when going to wait for the target.  Usually allows the GUI to run
/* Called when going to wait for the target.  Usually allows the GUI to run
   while waiting for target events.  */
   while waiting for target events.  */
 
 
ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
                                       struct target_waitstatus *status,
                                       struct target_waitstatus *status,
                                       int options);
                                       int options);
 
 
/* Used by UI as a wrapper around command execution.  May do various things
/* Used by UI as a wrapper around command execution.  May do various things
   like enabling/disabling buttons, etc...  */
   like enabling/disabling buttons, etc...  */
 
 
void (*deprecated_call_command_hook) (struct cmd_list_element * c, char *cmd,
void (*deprecated_call_command_hook) (struct cmd_list_element * c, char *cmd,
                                      int from_tty);
                                      int from_tty);
 
 
/* Called after a `set' command has finished.  Is only run if the
/* Called after a `set' command has finished.  Is only run if the
   `set' command succeeded.  */
   `set' command succeeded.  */
 
 
void (*deprecated_set_hook) (struct cmd_list_element * c);
void (*deprecated_set_hook) (struct cmd_list_element * c);
 
 
/* Called when the current thread changes.  Argument is thread id.  */
/* Called when the current thread changes.  Argument is thread id.  */
 
 
void (*deprecated_context_hook) (int id);
void (*deprecated_context_hook) (int id);
 
 
/* Handler for SIGHUP.  */
/* Handler for SIGHUP.  */
 
 
#ifdef SIGHUP
#ifdef SIGHUP
/* NOTE 1999-04-29: This function will be static again, once we modify
/* NOTE 1999-04-29: This function will be static again, once we modify
   gdb to use the event loop as the default command loop and we merge
   gdb to use the event loop as the default command loop and we merge
   event-top.c into this file, top.c */
   event-top.c into this file, top.c */
/* static */ int
/* static */ int
quit_cover (void *s)
quit_cover (void *s)
{
{
  caution = 0;                   /* Throw caution to the wind -- we're exiting.
  caution = 0;                   /* Throw caution to the wind -- we're exiting.
                                   This prevents asking the user dumb questions.  */
                                   This prevents asking the user dumb questions.  */
  quit_command ((char *) 0, 0);
  quit_command ((char *) 0, 0);
  return 0;
  return 0;
}
}
#endif /* defined SIGHUP */
#endif /* defined SIGHUP */


/* Line number we are currently in in a file which is being sourced.  */
/* Line number we are currently in in a file which is being sourced.  */
/* NOTE 1999-04-29: This variable will be static again, once we modify
/* 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
   gdb to use the event loop as the default command loop and we merge
   event-top.c into this file, top.c */
   event-top.c into this file, top.c */
/* static */ int source_line_number;
/* static */ int source_line_number;
 
 
/* Name of the file we are sourcing.  */
/* Name of the file we are sourcing.  */
/* NOTE 1999-04-29: This variable will be static again, once we modify
/* 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
   gdb to use the event loop as the default command loop and we merge
   event-top.c into this file, top.c */
   event-top.c into this file, top.c */
/* static */ char *source_file_name;
/* static */ char *source_file_name;
 
 
/* Clean up on error during a "source" command (or execution of a
/* Clean up on error during a "source" command (or execution of a
   user-defined command).  */
   user-defined command).  */
 
 
void
void
do_restore_instream_cleanup (void *stream)
do_restore_instream_cleanup (void *stream)
{
{
  /* Restore the previous input stream.  */
  /* Restore the previous input stream.  */
  instream = stream;
  instream = stream;
}
}
 
 
/* Read commands from STREAM.  */
/* Read commands from STREAM.  */
void
void
read_command_file (FILE *stream)
read_command_file (FILE *stream)
{
{
  struct cleanup *cleanups;
  struct cleanup *cleanups;
 
 
  cleanups = make_cleanup (do_restore_instream_cleanup, instream);
  cleanups = make_cleanup (do_restore_instream_cleanup, instream);
  instream = stream;
  instream = stream;
  command_loop ();
  command_loop ();
  do_cleanups (cleanups);
  do_cleanups (cleanups);
}
}


void (*pre_init_ui_hook) (void);
void (*pre_init_ui_hook) (void);
 
 
#ifdef __MSDOS__
#ifdef __MSDOS__
void
void
do_chdir_cleanup (void *old_dir)
do_chdir_cleanup (void *old_dir)
{
{
  chdir (old_dir);
  chdir (old_dir);
  xfree (old_dir);
  xfree (old_dir);
}
}
#endif
#endif
 
 
void
void
prepare_execute_command (void)
prepare_execute_command (void)
{
{
  free_all_values ();
  free_all_values ();
 
 
  /* With multiple threads running while the one we're examining is stopped,
  /* With multiple threads running while the one we're examining is stopped,
     the dcache can get stale without us being able to detect it.
     the dcache can get stale without us being able to detect it.
     For the duration of the command, though, use the dcache to help
     For the duration of the command, though, use the dcache to help
     things like backtrace.  */
     things like backtrace.  */
  if (non_stop)
  if (non_stop)
    target_dcache_invalidate ();
    target_dcache_invalidate ();
}
}
 
 
/* Execute the line P as a command, in the current user context.
/* Execute the line P as a command, in the current user context.
   Pass FROM_TTY as second argument to the defining function.  */
   Pass FROM_TTY as second argument to the defining function.  */
 
 
void
void
execute_command (char *p, int from_tty)
execute_command (char *p, int from_tty)
{
{
  struct cmd_list_element *c;
  struct cmd_list_element *c;
  enum language flang;
  enum language flang;
  static int warned = 0;
  static int warned = 0;
  char *line;
  char *line;
  long time_at_cmd_start = 0;
  long time_at_cmd_start = 0;
#ifdef HAVE_SBRK
#ifdef HAVE_SBRK
  long space_at_cmd_start = 0;
  long space_at_cmd_start = 0;
#endif
#endif
  extern int display_time;
  extern int display_time;
  extern int display_space;
  extern int display_space;
 
 
  if (target_can_async_p ())
  if (target_can_async_p ())
    {
    {
      time_at_cmd_start = get_run_time ();
      time_at_cmd_start = get_run_time ();
 
 
      if (display_space)
      if (display_space)
        {
        {
#ifdef HAVE_SBRK
#ifdef HAVE_SBRK
          char *lim = (char *) sbrk (0);
          char *lim = (char *) sbrk (0);
          space_at_cmd_start = lim - lim_at_start;
          space_at_cmd_start = lim - lim_at_start;
#endif
#endif
        }
        }
    }
    }
 
 
  prepare_execute_command ();
  prepare_execute_command ();
 
 
  /* Force cleanup of any alloca areas if using C alloca instead of
  /* Force cleanup of any alloca areas if using C alloca instead of
     a builtin alloca.  */
     a builtin alloca.  */
  alloca (0);
  alloca (0);
 
 
  /* This can happen when command_line_input hits end of file.  */
  /* This can happen when command_line_input hits end of file.  */
  if (p == NULL)
  if (p == NULL)
    return;
    return;
 
 
  target_log_command (p);
  target_log_command (p);
 
 
  while (*p == ' ' || *p == '\t')
  while (*p == ' ' || *p == '\t')
    p++;
    p++;
  if (*p)
  if (*p)
    {
    {
      char *arg;
      char *arg;
      line = p;
      line = p;
 
 
      /* If trace-commands is set then this will print this command.  */
      /* If trace-commands is set then this will print this command.  */
      print_command_trace (p);
      print_command_trace (p);
 
 
      c = lookup_cmd (&p, cmdlist, "", 0, 1);
      c = lookup_cmd (&p, cmdlist, "", 0, 1);
 
 
      /* Pass null arg rather than an empty one.  */
      /* Pass null arg rather than an empty one.  */
      arg = *p ? p : 0;
      arg = *p ? p : 0;
 
 
      /* FIXME: cagney/2002-02-02: The c->type test is pretty dodgy
      /* FIXME: cagney/2002-02-02: The c->type test is pretty dodgy
         while the is_complete_command(cfunc) test is just plain
         while the is_complete_command(cfunc) test is just plain
         bogus.  They should both be replaced by a test of the form
         bogus.  They should both be replaced by a test of the form
         c->strip_trailing_white_space_p.  */
         c->strip_trailing_white_space_p.  */
      /* NOTE: cagney/2002-02-02: The function.cfunc in the below
      /* NOTE: cagney/2002-02-02: The function.cfunc in the below
         can't be replaced with func.  This is because it is the
         can't be replaced with func.  This is because it is the
         cfunc, and not the func, that has the value that the
         cfunc, and not the func, that has the value that the
         is_complete_command hack is testing for.  */
         is_complete_command hack is testing for.  */
      /* Clear off trailing whitespace, except for set and complete
      /* Clear off trailing whitespace, except for set and complete
         command.  */
         command.  */
      if (arg
      if (arg
          && c->type != set_cmd
          && c->type != set_cmd
          && !is_complete_command (c))
          && !is_complete_command (c))
        {
        {
          p = arg + strlen (arg) - 1;
          p = arg + strlen (arg) - 1;
          while (p >= arg && (*p == ' ' || *p == '\t'))
          while (p >= arg && (*p == ' ' || *p == '\t'))
            p--;
            p--;
          *(p + 1) = '\0';
          *(p + 1) = '\0';
        }
        }
 
 
      /* If this command has been pre-hooked, run the hook first. */
      /* If this command has been pre-hooked, run the hook first. */
      execute_cmd_pre_hook (c);
      execute_cmd_pre_hook (c);
 
 
      if (c->flags & DEPRECATED_WARN_USER)
      if (c->flags & DEPRECATED_WARN_USER)
        deprecated_cmd_warning (&line);
        deprecated_cmd_warning (&line);
 
 
      if (c->class == class_user)
      if (c->class == class_user)
        execute_user_command (c, arg);
        execute_user_command (c, arg);
      else if (c->type == set_cmd || c->type == show_cmd)
      else if (c->type == set_cmd || c->type == show_cmd)
        do_setshow_command (arg, from_tty & caution, c);
        do_setshow_command (arg, from_tty & caution, c);
      else if (!cmd_func_p (c))
      else if (!cmd_func_p (c))
        error (_("That is not a command, just a help topic."));
        error (_("That is not a command, just a help topic."));
      else if (deprecated_call_command_hook)
      else if (deprecated_call_command_hook)
        deprecated_call_command_hook (c, arg, from_tty & caution);
        deprecated_call_command_hook (c, arg, from_tty & caution);
      else
      else
        cmd_func (c, arg, from_tty & caution);
        cmd_func (c, arg, from_tty & caution);
 
 
      /* If this command has been post-hooked, run the hook last. */
      /* If this command has been post-hooked, run the hook last. */
      execute_cmd_post_hook (c);
      execute_cmd_post_hook (c);
 
 
    }
    }
 
 
  /* Tell the user if the language has changed (except first time).
  /* Tell the user if the language has changed (except first time).
     First make sure that a new frame has been selected, in case this
     First make sure that a new frame has been selected, in case this
     command or the hooks changed the program state.  */
     command or the hooks changed the program state.  */
  deprecated_safe_get_selected_frame ();
  deprecated_safe_get_selected_frame ();
  if (current_language != expected_language)
  if (current_language != expected_language)
    {
    {
      if (language_mode == language_mode_auto && info_verbose)
      if (language_mode == language_mode_auto && info_verbose)
        {
        {
          language_info (1);    /* Print what changed.  */
          language_info (1);    /* Print what changed.  */
        }
        }
      warned = 0;
      warned = 0;
    }
    }
 
 
  /* Warn the user if the working language does not match the
  /* Warn the user if the working language does not match the
     language of the current frame.  Only warn the user if we are
     language of the current frame.  Only warn the user if we are
     actually running the program, i.e. there is a stack. */
     actually running the program, i.e. there is a stack. */
  /* FIXME:  This should be cacheing the frame and only running when
  /* FIXME:  This should be cacheing the frame and only running when
     the frame changes.  */
     the frame changes.  */
 
 
  if (has_stack_frames ())
  if (has_stack_frames ())
    {
    {
      flang = get_frame_language ();
      flang = get_frame_language ();
      if (!warned
      if (!warned
          && flang != language_unknown
          && flang != language_unknown
          && flang != current_language->la_language)
          && flang != current_language->la_language)
        {
        {
          printf_filtered ("%s\n", lang_frame_mismatch_warn);
          printf_filtered ("%s\n", lang_frame_mismatch_warn);
          warned = 1;
          warned = 1;
        }
        }
    }
    }
}
}
 
 
/* Read commands from `instream' and execute them
/* Read commands from `instream' and execute them
   until end of file or error reading instream.  */
   until end of file or error reading instream.  */
 
 
void
void
command_loop (void)
command_loop (void)
{
{
  struct cleanup *old_chain;
  struct cleanup *old_chain;
  char *command;
  char *command;
  int stdin_is_tty = ISATTY (stdin);
  int stdin_is_tty = ISATTY (stdin);
  long time_at_cmd_start;
  long time_at_cmd_start;
#ifdef HAVE_SBRK
#ifdef HAVE_SBRK
  long space_at_cmd_start = 0;
  long space_at_cmd_start = 0;
#endif
#endif
  extern int display_time;
  extern int display_time;
  extern int display_space;
  extern int display_space;
 
 
  while (instream && !feof (instream))
  while (instream && !feof (instream))
    {
    {
      if (window_hook && instream == stdin)
      if (window_hook && instream == stdin)
        (*window_hook) (instream, get_prompt ());
        (*window_hook) (instream, get_prompt ());
 
 
      quit_flag = 0;
      quit_flag = 0;
      if (instream == stdin && stdin_is_tty)
      if (instream == stdin && stdin_is_tty)
        reinitialize_more_filter ();
        reinitialize_more_filter ();
      old_chain = make_cleanup (null_cleanup, 0);
      old_chain = make_cleanup (null_cleanup, 0);
 
 
      /* Get a command-line. This calls the readline package. */
      /* Get a command-line. This calls the readline package. */
      command = command_line_input (instream == stdin ?
      command = command_line_input (instream == stdin ?
                                    get_prompt () : (char *) NULL,
                                    get_prompt () : (char *) NULL,
                                    instream == stdin, "prompt");
                                    instream == stdin, "prompt");
      if (command == 0)
      if (command == 0)
        return;
        return;
 
 
      time_at_cmd_start = get_run_time ();
      time_at_cmd_start = get_run_time ();
 
 
      if (display_space)
      if (display_space)
        {
        {
#ifdef HAVE_SBRK
#ifdef HAVE_SBRK
          char *lim = (char *) sbrk (0);
          char *lim = (char *) sbrk (0);
          space_at_cmd_start = lim - lim_at_start;
          space_at_cmd_start = lim - lim_at_start;
#endif
#endif
        }
        }
 
 
      execute_command (command, instream == stdin);
      execute_command (command, instream == stdin);
 
 
      /* Do any commands attached to breakpoint we are stopped at.  */
      /* Do any commands attached to breakpoint we are stopped at.  */
      bpstat_do_actions ();
      bpstat_do_actions ();
 
 
      do_cleanups (old_chain);
      do_cleanups (old_chain);
 
 
      if (display_time)
      if (display_time)
        {
        {
          long cmd_time = get_run_time () - time_at_cmd_start;
          long cmd_time = get_run_time () - time_at_cmd_start;
 
 
          printf_unfiltered (_("Command execution time: %ld.%06ld\n"),
          printf_unfiltered (_("Command execution time: %ld.%06ld\n"),
                             cmd_time / 1000000, cmd_time % 1000000);
                             cmd_time / 1000000, cmd_time % 1000000);
        }
        }
 
 
      if (display_space)
      if (display_space)
        {
        {
#ifdef HAVE_SBRK
#ifdef HAVE_SBRK
          char *lim = (char *) sbrk (0);
          char *lim = (char *) sbrk (0);
          long space_now = lim - lim_at_start;
          long space_now = lim - lim_at_start;
          long space_diff = space_now - space_at_cmd_start;
          long space_diff = space_now - space_at_cmd_start;
 
 
          printf_unfiltered (_("Space used: %ld (%s%ld for this command)\n"),
          printf_unfiltered (_("Space used: %ld (%s%ld for this command)\n"),
                             space_now,
                             space_now,
                             (space_diff >= 0 ? "+" : ""),
                             (space_diff >= 0 ? "+" : ""),
                             space_diff);
                             space_diff);
#endif
#endif
        }
        }
    }
    }
}
}


/* Commands call this if they do not want to be repeated by null lines.  */
/* Commands call this if they do not want to be repeated by null lines.  */
 
 
void
void
dont_repeat (void)
dont_repeat (void)
{
{
  if (server_command)
  if (server_command)
    return;
    return;
 
 
  /* If we aren't reading from standard input, we are saving the last
  /* If we aren't reading from standard input, we are saving the last
     thing read from stdin in line and don't want to delete it.  Null lines
     thing read from stdin in line and don't want to delete it.  Null lines
     won't repeat here in any case.  */
     won't repeat here in any case.  */
  if (instream == stdin)
  if (instream == stdin)
    *line = 0;
    *line = 0;
}
}


/* Read a line from the stream "instream" without command line editing.
/* Read a line from the stream "instream" without command line editing.
 
 
   It prints PROMPT_ARG once at the start.
   It prints PROMPT_ARG once at the start.
   Action is compatible with "readline", e.g. space for the result is
   Action is compatible with "readline", e.g. space for the result is
   malloc'd and should be freed by the caller.
   malloc'd and should be freed by the caller.
 
 
   A NULL return means end of file.  */
   A NULL return means end of file.  */
char *
char *
gdb_readline (char *prompt_arg)
gdb_readline (char *prompt_arg)
{
{
  int c;
  int c;
  char *result;
  char *result;
  int input_index = 0;
  int input_index = 0;
  int result_size = 80;
  int result_size = 80;
 
 
  if (prompt_arg)
  if (prompt_arg)
    {
    {
      /* Don't use a _filtered function here.  It causes the assumed
      /* Don't use a _filtered function here.  It causes the assumed
         character position to be off, since the newline we read from
         character position to be off, since the newline we read from
         the user is not accounted for.  */
         the user is not accounted for.  */
      fputs_unfiltered (prompt_arg, gdb_stdout);
      fputs_unfiltered (prompt_arg, gdb_stdout);
      gdb_flush (gdb_stdout);
      gdb_flush (gdb_stdout);
    }
    }
 
 
  result = (char *) xmalloc (result_size);
  result = (char *) xmalloc (result_size);
 
 
  while (1)
  while (1)
    {
    {
      /* Read from stdin if we are executing a user defined command.
      /* Read from stdin if we are executing a user defined command.
         This is the right thing for prompt_for_continue, at least.  */
         This is the right thing for prompt_for_continue, at least.  */
      c = fgetc (instream ? instream : stdin);
      c = fgetc (instream ? instream : stdin);
 
 
      if (c == EOF)
      if (c == EOF)
        {
        {
          if (input_index > 0)
          if (input_index > 0)
            /* The last line does not end with a newline.  Return it, and
            /* The last line does not end with a newline.  Return it, and
               if we are called again fgetc will still return EOF and
               if we are called again fgetc will still return EOF and
               we'll return NULL then.  */
               we'll return NULL then.  */
            break;
            break;
          xfree (result);
          xfree (result);
          return NULL;
          return NULL;
        }
        }
 
 
      if (c == '\n')
      if (c == '\n')
        {
        {
          if (input_index > 0 && result[input_index - 1] == '\r')
          if (input_index > 0 && result[input_index - 1] == '\r')
            input_index--;
            input_index--;
          break;
          break;
        }
        }
 
 
      result[input_index++] = c;
      result[input_index++] = c;
      while (input_index >= result_size)
      while (input_index >= result_size)
        {
        {
          result_size *= 2;
          result_size *= 2;
          result = (char *) xrealloc (result, result_size);
          result = (char *) xrealloc (result, result_size);
        }
        }
    }
    }
 
 
  result[input_index++] = '\0';
  result[input_index++] = '\0';
  return result;
  return result;
}
}
 
 
/* Variables which control command line editing and history
/* Variables which control command line editing and history
   substitution.  These variables are given default values at the end
   substitution.  These variables are given default values at the end
   of this file.  */
   of this file.  */
static int command_editing_p;
static int command_editing_p;
 
 
/* NOTE 1999-04-29: This variable will be static again, once we modify
/* 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
   gdb to use the event loop as the default command loop and we merge
   event-top.c into this file, top.c */
   event-top.c into this file, top.c */
 
 
/* static */ int history_expansion_p;
/* static */ int history_expansion_p;
 
 
static int write_history_p;
static int write_history_p;
static void
static void
show_write_history_p (struct ui_file *file, int from_tty,
show_write_history_p (struct ui_file *file, int from_tty,
                      struct cmd_list_element *c, const char *value)
                      struct cmd_list_element *c, const char *value)
{
{
  fprintf_filtered (file, _("Saving of the history record on exit is %s.\n"),
  fprintf_filtered (file, _("Saving of the history record on exit is %s.\n"),
                    value);
                    value);
}
}
 
 
static int history_size;
static int history_size;
static void
static void
show_history_size (struct ui_file *file, int from_tty,
show_history_size (struct ui_file *file, int from_tty,
                   struct cmd_list_element *c, const char *value)
                   struct cmd_list_element *c, const char *value)
{
{
  fprintf_filtered (file, _("The size of the command history is %s.\n"),
  fprintf_filtered (file, _("The size of the command history is %s.\n"),
                    value);
                    value);
}
}
 
 
static char *history_filename;
static char *history_filename;
static void
static void
show_history_filename (struct ui_file *file, int from_tty,
show_history_filename (struct ui_file *file, int from_tty,
                       struct cmd_list_element *c, const char *value)
                       struct cmd_list_element *c, const char *value)
{
{
  fprintf_filtered (file, _("\
  fprintf_filtered (file, _("\
The filename in which to record the command history is \"%s\".\n"),
The filename in which to record the command history is \"%s\".\n"),
                    value);
                    value);
}
}
 
 
/* This is like readline(), but it has some gdb-specific behavior.
/* This is like readline(), but it has some gdb-specific behavior.
   gdb may want readline in both the synchronous and async modes during
   gdb may want readline in both the synchronous and async modes during
   a single gdb invocation.  At the ordinary top-level prompt we might
   a single gdb invocation.  At the ordinary top-level prompt we might
   be using the async readline.  That means we can't use
   be using the async readline.  That means we can't use
   rl_pre_input_hook, since it doesn't work properly in async mode.
   rl_pre_input_hook, since it doesn't work properly in async mode.
   However, for a secondary prompt (" >", such as occurs during a
   However, for a secondary prompt (" >", such as occurs during a
   `define'), gdb wants a synchronous response.
   `define'), gdb wants a synchronous response.
 
 
   We used to call readline() directly, running it in synchronous
   We used to call readline() directly, running it in synchronous
   mode.  But mixing modes this way is not supported, and as of
   mode.  But mixing modes this way is not supported, and as of
   readline 5.x it no longer works; the arrow keys come unbound during
   readline 5.x it no longer works; the arrow keys come unbound during
   the synchronous call.  So we make a nested call into the event
   the synchronous call.  So we make a nested call into the event
   loop.  That's what gdb_readline_wrapper is for.  */
   loop.  That's what gdb_readline_wrapper is for.  */
 
 
/* A flag set as soon as gdb_readline_wrapper_line is called; we can't
/* A flag set as soon as gdb_readline_wrapper_line is called; we can't
   rely on gdb_readline_wrapper_result, which might still be NULL if
   rely on gdb_readline_wrapper_result, which might still be NULL if
   the user types Control-D for EOF.  */
   the user types Control-D for EOF.  */
static int gdb_readline_wrapper_done;
static int gdb_readline_wrapper_done;
 
 
/* The result of the current call to gdb_readline_wrapper, once a newline
/* The result of the current call to gdb_readline_wrapper, once a newline
   is seen.  */
   is seen.  */
static char *gdb_readline_wrapper_result;
static char *gdb_readline_wrapper_result;
 
 
/* Any intercepted hook.  Operate-and-get-next sets this, expecting it
/* Any intercepted hook.  Operate-and-get-next sets this, expecting it
   to be called after the newline is processed (which will redisplay
   to be called after the newline is processed (which will redisplay
   the prompt).  But in gdb_readline_wrapper we will not get a new
   the prompt).  But in gdb_readline_wrapper we will not get a new
   prompt until the next call, or until we return to the event loop.
   prompt until the next call, or until we return to the event loop.
   So we disable this hook around the newline and restore it before we
   So we disable this hook around the newline and restore it before we
   return.  */
   return.  */
static void (*saved_after_char_processing_hook) (void);
static void (*saved_after_char_processing_hook) (void);
 
 
/* This function is called when readline has seen a complete line of
/* This function is called when readline has seen a complete line of
   text.  */
   text.  */
 
 
static void
static void
gdb_readline_wrapper_line (char *line)
gdb_readline_wrapper_line (char *line)
{
{
  gdb_assert (!gdb_readline_wrapper_done);
  gdb_assert (!gdb_readline_wrapper_done);
  gdb_readline_wrapper_result = line;
  gdb_readline_wrapper_result = line;
  gdb_readline_wrapper_done = 1;
  gdb_readline_wrapper_done = 1;
 
 
  /* Prevent operate-and-get-next from acting too early.  */
  /* Prevent operate-and-get-next from acting too early.  */
  saved_after_char_processing_hook = after_char_processing_hook;
  saved_after_char_processing_hook = after_char_processing_hook;
  after_char_processing_hook = NULL;
  after_char_processing_hook = NULL;
 
 
  /* Prevent parts of the prompt from being redisplayed if annotations
  /* Prevent parts of the prompt from being redisplayed if annotations
     are enabled, and readline's state getting out of sync.  */
     are enabled, and readline's state getting out of sync.  */
  if (async_command_editing_p)
  if (async_command_editing_p)
    rl_callback_handler_remove ();
    rl_callback_handler_remove ();
}
}
 
 
struct gdb_readline_wrapper_cleanup
struct gdb_readline_wrapper_cleanup
  {
  {
    void (*handler_orig) (char *);
    void (*handler_orig) (char *);
    int already_prompted_orig;
    int already_prompted_orig;
  };
  };
 
 
static void
static void
gdb_readline_wrapper_cleanup (void *arg)
gdb_readline_wrapper_cleanup (void *arg)
{
{
  struct gdb_readline_wrapper_cleanup *cleanup = arg;
  struct gdb_readline_wrapper_cleanup *cleanup = arg;
 
 
  rl_already_prompted = cleanup->already_prompted_orig;
  rl_already_prompted = cleanup->already_prompted_orig;
 
 
  gdb_assert (input_handler == gdb_readline_wrapper_line);
  gdb_assert (input_handler == gdb_readline_wrapper_line);
  input_handler = cleanup->handler_orig;
  input_handler = cleanup->handler_orig;
  gdb_readline_wrapper_result = NULL;
  gdb_readline_wrapper_result = NULL;
  gdb_readline_wrapper_done = 0;
  gdb_readline_wrapper_done = 0;
 
 
  after_char_processing_hook = saved_after_char_processing_hook;
  after_char_processing_hook = saved_after_char_processing_hook;
  saved_after_char_processing_hook = NULL;
  saved_after_char_processing_hook = NULL;
 
 
  xfree (cleanup);
  xfree (cleanup);
}
}
 
 
char *
char *
gdb_readline_wrapper (char *prompt)
gdb_readline_wrapper (char *prompt)
{
{
  struct cleanup *back_to;
  struct cleanup *back_to;
  struct gdb_readline_wrapper_cleanup *cleanup;
  struct gdb_readline_wrapper_cleanup *cleanup;
  char *retval;
  char *retval;
 
 
  cleanup = xmalloc (sizeof (*cleanup));
  cleanup = xmalloc (sizeof (*cleanup));
  cleanup->handler_orig = input_handler;
  cleanup->handler_orig = input_handler;
  input_handler = gdb_readline_wrapper_line;
  input_handler = gdb_readline_wrapper_line;
 
 
  cleanup->already_prompted_orig = rl_already_prompted;
  cleanup->already_prompted_orig = rl_already_prompted;
 
 
  back_to = make_cleanup (gdb_readline_wrapper_cleanup, cleanup);
  back_to = make_cleanup (gdb_readline_wrapper_cleanup, cleanup);
 
 
  /* Display our prompt and prevent double prompt display.  */
  /* Display our prompt and prevent double prompt display.  */
  display_gdb_prompt (prompt);
  display_gdb_prompt (prompt);
  rl_already_prompted = 1;
  rl_already_prompted = 1;
 
 
  if (after_char_processing_hook)
  if (after_char_processing_hook)
    (*after_char_processing_hook) ();
    (*after_char_processing_hook) ();
  gdb_assert (after_char_processing_hook == NULL);
  gdb_assert (after_char_processing_hook == NULL);
 
 
  /* gdb_do_one_event argument is unused.  */
  /* gdb_do_one_event argument is unused.  */
  while (gdb_do_one_event (NULL) >= 0)
  while (gdb_do_one_event (NULL) >= 0)
    if (gdb_readline_wrapper_done)
    if (gdb_readline_wrapper_done)
      break;
      break;
 
 
  retval = gdb_readline_wrapper_result;
  retval = gdb_readline_wrapper_result;
  do_cleanups (back_to);
  do_cleanups (back_to);
  return retval;
  return retval;
}
}
 
 


/* The current saved history number from operate-and-get-next.
/* The current saved history number from operate-and-get-next.
   This is -1 if not valid.  */
   This is -1 if not valid.  */
static int operate_saved_history = -1;
static int operate_saved_history = -1;
 
 
/* This is put on the appropriate hook and helps operate-and-get-next
/* This is put on the appropriate hook and helps operate-and-get-next
   do its work.  */
   do its work.  */
static void
static void
gdb_rl_operate_and_get_next_completion (void)
gdb_rl_operate_and_get_next_completion (void)
{
{
  int delta = where_history () - operate_saved_history;
  int delta = where_history () - operate_saved_history;
  /* The `key' argument to rl_get_previous_history is ignored.  */
  /* The `key' argument to rl_get_previous_history is ignored.  */
  rl_get_previous_history (delta, 0);
  rl_get_previous_history (delta, 0);
  operate_saved_history = -1;
  operate_saved_history = -1;
 
 
  /* readline doesn't automatically update the display for us.  */
  /* readline doesn't automatically update the display for us.  */
  rl_redisplay ();
  rl_redisplay ();
 
 
  after_char_processing_hook = NULL;
  after_char_processing_hook = NULL;
  rl_pre_input_hook = NULL;
  rl_pre_input_hook = NULL;
}
}
 
 
/* This is a gdb-local readline command handler.  It accepts the
/* This is a gdb-local readline command handler.  It accepts the
   current command line (like RET does) and, if this command was taken
   current command line (like RET does) and, if this command was taken
   from the history, arranges for the next command in the history to
   from the history, arranges for the next command in the history to
   appear on the command line when the prompt returns.
   appear on the command line when the prompt returns.
   We ignore the arguments.  */
   We ignore the arguments.  */
static int
static int
gdb_rl_operate_and_get_next (int count, int key)
gdb_rl_operate_and_get_next (int count, int key)
{
{
  int where;
  int where;
 
 
  /* Use the async hook.  */
  /* Use the async hook.  */
  after_char_processing_hook = gdb_rl_operate_and_get_next_completion;
  after_char_processing_hook = gdb_rl_operate_and_get_next_completion;
 
 
  /* Find the current line, and find the next line to use.  */
  /* Find the current line, and find the next line to use.  */
  where = where_history();
  where = where_history();
 
 
  /* FIXME: kettenis/20020817: max_input_history is renamed into
  /* FIXME: kettenis/20020817: max_input_history is renamed into
     history_max_entries in readline-4.2.  When we do a new readline
     history_max_entries in readline-4.2.  When we do a new readline
     import, we should probably change it here too, even though
     import, we should probably change it here too, even though
     readline maintains backwards compatibility for now by still
     readline maintains backwards compatibility for now by still
     defining max_input_history.  */
     defining max_input_history.  */
  if ((history_is_stifled () && (history_length >= max_input_history)) ||
  if ((history_is_stifled () && (history_length >= max_input_history)) ||
      (where >= history_length - 1))
      (where >= history_length - 1))
    operate_saved_history = where;
    operate_saved_history = where;
  else
  else
    operate_saved_history = where + 1;
    operate_saved_history = where + 1;
 
 
  return rl_newline (1, key);
  return rl_newline (1, key);
}
}


/* Read one line from the command input stream `instream'
/* Read one line from the command input stream `instream'
   into the local static buffer `linebuffer' (whose current length
   into the local static buffer `linebuffer' (whose current length
   is `linelength').
   is `linelength').
   The buffer is made bigger as necessary.
   The buffer is made bigger as necessary.
   Returns the address of the start of the line.
   Returns the address of the start of the line.
 
 
   NULL is returned for end of file.
   NULL is returned for end of file.
 
 
   *If* the instream == stdin & stdin is a terminal, the line read
   *If* the instream == stdin & stdin is a terminal, the line read
   is copied into the file line saver (global var char *line,
   is copied into the file line saver (global var char *line,
   length linesize) so that it can be duplicated.
   length linesize) so that it can be duplicated.
 
 
   This routine either uses fancy command line editing or
   This routine either uses fancy command line editing or
   simple input as the user has requested.  */
   simple input as the user has requested.  */
 
 
char *
char *
command_line_input (char *prompt_arg, int repeat, char *annotation_suffix)
command_line_input (char *prompt_arg, int repeat, char *annotation_suffix)
{
{
  static char *linebuffer = 0;
  static char *linebuffer = 0;
  static unsigned linelength = 0;
  static unsigned linelength = 0;
  char *p;
  char *p;
  char *p1;
  char *p1;
  char *rl;
  char *rl;
  char *local_prompt = prompt_arg;
  char *local_prompt = prompt_arg;
  char *nline;
  char *nline;
  char got_eof = 0;
  char got_eof = 0;
 
 
  /* The annotation suffix must be non-NULL.  */
  /* The annotation suffix must be non-NULL.  */
  if (annotation_suffix == NULL)
  if (annotation_suffix == NULL)
    annotation_suffix = "";
    annotation_suffix = "";
 
 
  if (annotation_level > 1 && instream == stdin)
  if (annotation_level > 1 && instream == stdin)
    {
    {
      local_prompt = alloca ((prompt_arg == NULL ? 0 : strlen (prompt_arg))
      local_prompt = alloca ((prompt_arg == NULL ? 0 : strlen (prompt_arg))
                             + strlen (annotation_suffix) + 40);
                             + strlen (annotation_suffix) + 40);
      if (prompt_arg == NULL)
      if (prompt_arg == NULL)
        local_prompt[0] = '\0';
        local_prompt[0] = '\0';
      else
      else
        strcpy (local_prompt, prompt_arg);
        strcpy (local_prompt, prompt_arg);
      strcat (local_prompt, "\n\032\032");
      strcat (local_prompt, "\n\032\032");
      strcat (local_prompt, annotation_suffix);
      strcat (local_prompt, annotation_suffix);
      strcat (local_prompt, "\n");
      strcat (local_prompt, "\n");
    }
    }
 
 
  if (linebuffer == 0)
  if (linebuffer == 0)
    {
    {
      linelength = 80;
      linelength = 80;
      linebuffer = (char *) xmalloc (linelength);
      linebuffer = (char *) xmalloc (linelength);
    }
    }
 
 
  p = linebuffer;
  p = linebuffer;
 
 
  /* Control-C quits instantly if typed while in this loop
  /* Control-C quits instantly if typed while in this loop
     since it should not wait until the user types a newline.  */
     since it should not wait until the user types a newline.  */
  immediate_quit++;
  immediate_quit++;
#ifdef STOP_SIGNAL
#ifdef STOP_SIGNAL
  if (job_control)
  if (job_control)
    signal (STOP_SIGNAL, handle_stop_sig);
    signal (STOP_SIGNAL, handle_stop_sig);
#endif
#endif
 
 
  while (1)
  while (1)
    {
    {
      /* Make sure that all output has been output.  Some machines may let
      /* Make sure that all output has been output.  Some machines may let
         you get away with leaving out some of the gdb_flush, but not all.  */
         you get away with leaving out some of the gdb_flush, but not all.  */
      wrap_here ("");
      wrap_here ("");
      gdb_flush (gdb_stdout);
      gdb_flush (gdb_stdout);
      gdb_flush (gdb_stderr);
      gdb_flush (gdb_stderr);
 
 
      if (source_file_name != NULL)
      if (source_file_name != NULL)
        ++source_line_number;
        ++source_line_number;
 
 
      if (annotation_level > 1 && instream == stdin)
      if (annotation_level > 1 && instream == stdin)
        {
        {
          puts_unfiltered ("\n\032\032pre-");
          puts_unfiltered ("\n\032\032pre-");
          puts_unfiltered (annotation_suffix);
          puts_unfiltered (annotation_suffix);
          puts_unfiltered ("\n");
          puts_unfiltered ("\n");
        }
        }
 
 
      /* Don't use fancy stuff if not talking to stdin.  */
      /* Don't use fancy stuff if not talking to stdin.  */
      if (deprecated_readline_hook && input_from_terminal_p ())
      if (deprecated_readline_hook && input_from_terminal_p ())
        {
        {
          rl = (*deprecated_readline_hook) (local_prompt);
          rl = (*deprecated_readline_hook) (local_prompt);
        }
        }
      else if (command_editing_p && input_from_terminal_p ())
      else if (command_editing_p && input_from_terminal_p ())
        {
        {
          rl = gdb_readline_wrapper (local_prompt);
          rl = gdb_readline_wrapper (local_prompt);
        }
        }
      else
      else
        {
        {
          rl = gdb_readline (local_prompt);
          rl = gdb_readline (local_prompt);
        }
        }
 
 
      if (annotation_level > 1 && instream == stdin)
      if (annotation_level > 1 && instream == stdin)
        {
        {
          puts_unfiltered ("\n\032\032post-");
          puts_unfiltered ("\n\032\032post-");
          puts_unfiltered (annotation_suffix);
          puts_unfiltered (annotation_suffix);
          puts_unfiltered ("\n");
          puts_unfiltered ("\n");
        }
        }
 
 
      if (!rl || rl == (char *) EOF)
      if (!rl || rl == (char *) EOF)
        {
        {
          got_eof = 1;
          got_eof = 1;
          break;
          break;
        }
        }
      if (strlen (rl) + 1 + (p - linebuffer) > linelength)
      if (strlen (rl) + 1 + (p - linebuffer) > linelength)
        {
        {
          linelength = strlen (rl) + 1 + (p - linebuffer);
          linelength = strlen (rl) + 1 + (p - linebuffer);
          nline = (char *) xrealloc (linebuffer, linelength);
          nline = (char *) xrealloc (linebuffer, linelength);
          p += nline - linebuffer;
          p += nline - linebuffer;
          linebuffer = nline;
          linebuffer = nline;
        }
        }
      p1 = rl;
      p1 = rl;
      /* Copy line.  Don't copy null at end.  (Leaves line alone
      /* Copy line.  Don't copy null at end.  (Leaves line alone
         if this was just a newline)  */
         if this was just a newline)  */
      while (*p1)
      while (*p1)
        *p++ = *p1++;
        *p++ = *p1++;
 
 
      xfree (rl);               /* Allocated in readline.  */
      xfree (rl);               /* Allocated in readline.  */
 
 
      if (p == linebuffer || *(p - 1) != '\\')
      if (p == linebuffer || *(p - 1) != '\\')
        break;
        break;
 
 
      p--;                      /* Put on top of '\'.  */
      p--;                      /* Put on top of '\'.  */
      local_prompt = (char *) 0;
      local_prompt = (char *) 0;
    }
    }
 
 
#ifdef STOP_SIGNAL
#ifdef STOP_SIGNAL
  if (job_control)
  if (job_control)
    signal (STOP_SIGNAL, SIG_DFL);
    signal (STOP_SIGNAL, SIG_DFL);
#endif
#endif
  immediate_quit--;
  immediate_quit--;
 
 
  if (got_eof)
  if (got_eof)
    return NULL;
    return NULL;
 
 
#define SERVER_COMMAND_LENGTH 7
#define SERVER_COMMAND_LENGTH 7
  server_command =
  server_command =
    (p - linebuffer > SERVER_COMMAND_LENGTH)
    (p - linebuffer > SERVER_COMMAND_LENGTH)
    && strncmp (linebuffer, "server ", SERVER_COMMAND_LENGTH) == 0;
    && strncmp (linebuffer, "server ", SERVER_COMMAND_LENGTH) == 0;
  if (server_command)
  if (server_command)
    {
    {
      /* Note that we don't set `line'.  Between this and the check in
      /* Note that we don't set `line'.  Between this and the check in
         dont_repeat, this insures that repeating will still do the
         dont_repeat, this insures that repeating will still do the
         right thing.  */
         right thing.  */
      *p = '\0';
      *p = '\0';
      return linebuffer + SERVER_COMMAND_LENGTH;
      return linebuffer + SERVER_COMMAND_LENGTH;
    }
    }
 
 
  /* Do history expansion if that is wished.  */
  /* Do history expansion if that is wished.  */
  if (history_expansion_p && instream == stdin
  if (history_expansion_p && instream == stdin
      && ISATTY (instream))
      && ISATTY (instream))
    {
    {
      char *history_value;
      char *history_value;
      int expanded;
      int expanded;
 
 
      *p = '\0';                /* Insert null now.  */
      *p = '\0';                /* Insert null now.  */
      expanded = history_expand (linebuffer, &history_value);
      expanded = history_expand (linebuffer, &history_value);
      if (expanded)
      if (expanded)
        {
        {
          /* Print the changes.  */
          /* Print the changes.  */
          printf_unfiltered ("%s\n", history_value);
          printf_unfiltered ("%s\n", history_value);
 
 
          /* If there was an error, call this function again.  */
          /* If there was an error, call this function again.  */
          if (expanded < 0)
          if (expanded < 0)
            {
            {
              xfree (history_value);
              xfree (history_value);
              return command_line_input (prompt_arg, repeat, annotation_suffix);
              return command_line_input (prompt_arg, repeat, annotation_suffix);
            }
            }
          if (strlen (history_value) > linelength)
          if (strlen (history_value) > linelength)
            {
            {
              linelength = strlen (history_value) + 1;
              linelength = strlen (history_value) + 1;
              linebuffer = (char *) xrealloc (linebuffer, linelength);
              linebuffer = (char *) xrealloc (linebuffer, linelength);
            }
            }
          strcpy (linebuffer, history_value);
          strcpy (linebuffer, history_value);
          p = linebuffer + strlen (linebuffer);
          p = linebuffer + strlen (linebuffer);
        }
        }
      xfree (history_value);
      xfree (history_value);
    }
    }
 
 
  /* If we just got an empty line, and that is supposed
  /* If we just got an empty line, and that is supposed
     to repeat the previous command, return the value in the
     to repeat the previous command, return the value in the
     global buffer.  */
     global buffer.  */
  if (repeat && p == linebuffer)
  if (repeat && p == linebuffer)
    return line;
    return line;
  for (p1 = linebuffer; *p1 == ' ' || *p1 == '\t'; p1++);
  for (p1 = linebuffer; *p1 == ' ' || *p1 == '\t'; p1++);
  if (repeat && !*p1)
  if (repeat && !*p1)
    return line;
    return line;
 
 
  *p = 0;
  *p = 0;
 
 
  /* Add line to history if appropriate.  */
  /* Add line to history if appropriate.  */
  if (instream == stdin
  if (instream == stdin
      && ISATTY (stdin) && *linebuffer)
      && ISATTY (stdin) && *linebuffer)
    add_history (linebuffer);
    add_history (linebuffer);
 
 
  /* Note: lines consisting solely of comments are added to the command
  /* Note: lines consisting solely of comments are added to the command
     history.  This is useful when you type a command, and then
     history.  This is useful when you type a command, and then
     realize you don't want to execute it quite yet.  You can comment
     realize you don't want to execute it quite yet.  You can comment
     out the command and then later fetch it from the value history
     out the command and then later fetch it from the value history
     and remove the '#'.  The kill ring is probably better, but some
     and remove the '#'.  The kill ring is probably better, but some
     people are in the habit of commenting things out.  */
     people are in the habit of commenting things out.  */
  if (*p1 == '#')
  if (*p1 == '#')
    *p1 = '\0';                 /* Found a comment. */
    *p1 = '\0';                 /* Found a comment. */
 
 
  /* Save into global buffer if appropriate.  */
  /* Save into global buffer if appropriate.  */
  if (repeat)
  if (repeat)
    {
    {
      if (linelength > linesize)
      if (linelength > linesize)
        {
        {
          line = xrealloc (line, linelength);
          line = xrealloc (line, linelength);
          linesize = linelength;
          linesize = linelength;
        }
        }
      strcpy (line, linebuffer);
      strcpy (line, linebuffer);
      return line;
      return line;
    }
    }
 
 
  return linebuffer;
  return linebuffer;
}
}


/* Print the GDB banner. */
/* Print the GDB banner. */
void
void
print_gdb_version (struct ui_file *stream)
print_gdb_version (struct ui_file *stream)
{
{
  /* From GNU coding standards, first line is meant to be easy for a
  /* From GNU coding standards, first line is meant to be easy for a
     program to parse, and is just canonical program name and version
     program to parse, and is just canonical program name and version
     number, which starts after last space. */
     number, which starts after last space. */
 
 
  fprintf_filtered (stream, "GNU gdb %s%s\n", PKGVERSION, version);
  fprintf_filtered (stream, "GNU gdb %s%s\n", PKGVERSION, version);
 
 
  /* Second line is a copyright notice. */
  /* Second line is a copyright notice. */
 
 
  fprintf_filtered (stream, "Copyright (C) 2010 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
  /* Following the copyright is a brief statement that the program is
     free software, that users are free to copy and change it on
     free software, that users are free to copy and change it on
     certain conditions, that it is covered by the GNU GPL, and that
     certain conditions, that it is covered by the GNU GPL, and that
     there is no warranty. */
     there is no warranty. */
 
 
  fprintf_filtered (stream, "\
  fprintf_filtered (stream, "\
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\n\
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\n\
This is free software: you are free to change and redistribute it.\n\
This is free software: you are free to change and redistribute it.\n\
There is NO WARRANTY, to the extent permitted by law.  Type \"show copying\"\n\
There is NO WARRANTY, to the extent permitted by law.  Type \"show copying\"\n\
and \"show warranty\" for details.\n");
and \"show warranty\" for details.\n");
 
 
  /* After the required info we print the configuration information. */
  /* After the required info we print the configuration information. */
 
 
  fprintf_filtered (stream, "This GDB was configured as \"");
  fprintf_filtered (stream, "This GDB was configured as \"");
  if (strcmp (host_name, target_name) != 0)
  if (strcmp (host_name, target_name) != 0)
    {
    {
      fprintf_filtered (stream, "--host=%s --target=%s", host_name, target_name);
      fprintf_filtered (stream, "--host=%s --target=%s", host_name, target_name);
    }
    }
  else
  else
    {
    {
      fprintf_filtered (stream, "%s", host_name);
      fprintf_filtered (stream, "%s", host_name);
    }
    }
  fprintf_filtered (stream, "\".");
  fprintf_filtered (stream, "\".");
 
 
  if (REPORT_BUGS_TO[0])
  if (REPORT_BUGS_TO[0])
    {
    {
      fprintf_filtered (stream,
      fprintf_filtered (stream,
                        _("\nFor bug reporting instructions, please see:\n"));
                        _("\nFor bug reporting instructions, please see:\n"));
      fprintf_filtered (stream, "%s.", REPORT_BUGS_TO);
      fprintf_filtered (stream, "%s.", REPORT_BUGS_TO);
    }
    }
}
}


/* get_prompt: access method for the GDB prompt string.  */
/* get_prompt: access method for the GDB prompt string.  */
 
 
char *
char *
get_prompt (void)
get_prompt (void)
{
{
  return PROMPT (0);
  return PROMPT (0);
}
}
 
 
void
void
set_prompt (char *s)
set_prompt (char *s)
{
{
/* ??rehrauer: I don't know why this fails, since it looks as though
/* ??rehrauer: I don't know why this fails, since it looks as though
   assignments to prompt are wrapped in calls to xstrdup...
   assignments to prompt are wrapped in calls to xstrdup...
   if (prompt != NULL)
   if (prompt != NULL)
   xfree (prompt);
   xfree (prompt);
 */
 */
  PROMPT (0) = xstrdup (s);
  PROMPT (0) = xstrdup (s);
}
}


 
 
struct qt_args
struct qt_args
{
{
  char *args;
  char *args;
  int from_tty;
  int from_tty;
};
};
 
 
/* Callback for iterate_over_inferiors.  Kills or detaches the given
/* Callback for iterate_over_inferiors.  Kills or detaches the given
   inferior, depending on how we originally gained control of it.  */
   inferior, depending on how we originally gained control of it.  */
 
 
static int
static int
kill_or_detach (struct inferior *inf, void *args)
kill_or_detach (struct inferior *inf, void *args)
{
{
  struct qt_args *qt = args;
  struct qt_args *qt = args;
  struct thread_info *thread;
  struct thread_info *thread;
 
 
  if (inf->pid == 0)
  if (inf->pid == 0)
    return 0;
    return 0;
 
 
  thread = any_thread_of_process (inf->pid);
  thread = any_thread_of_process (inf->pid);
  if (thread != NULL)
  if (thread != NULL)
    {
    {
      switch_to_thread (thread->ptid);
      switch_to_thread (thread->ptid);
 
 
      /* Leave core files alone.  */
      /* Leave core files alone.  */
      if (target_has_execution)
      if (target_has_execution)
        {
        {
          if (inf->attach_flag)
          if (inf->attach_flag)
            target_detach (qt->args, qt->from_tty);
            target_detach (qt->args, qt->from_tty);
          else
          else
            target_kill ();
            target_kill ();
        }
        }
    }
    }
 
 
  return 0;
  return 0;
}
}
 
 
/* Callback for iterate_over_inferiors.  Prints info about what GDB
/* Callback for iterate_over_inferiors.  Prints info about what GDB
   will do to each inferior on a "quit".  ARG points to a struct
   will do to each inferior on a "quit".  ARG points to a struct
   ui_out where output is to be collected.  */
   ui_out where output is to be collected.  */
 
 
static int
static int
print_inferior_quit_action (struct inferior *inf, void *arg)
print_inferior_quit_action (struct inferior *inf, void *arg)
{
{
  struct ui_file *stb = arg;
  struct ui_file *stb = arg;
 
 
  if (inf->pid == 0)
  if (inf->pid == 0)
    return 0;
    return 0;
 
 
  if (inf->attach_flag)
  if (inf->attach_flag)
    fprintf_filtered (stb,
    fprintf_filtered (stb,
                      _("\tInferior %d [%s] will be detached.\n"), inf->num,
                      _("\tInferior %d [%s] will be detached.\n"), inf->num,
                      target_pid_to_str (pid_to_ptid (inf->pid)));
                      target_pid_to_str (pid_to_ptid (inf->pid)));
  else
  else
    fprintf_filtered (stb,
    fprintf_filtered (stb,
                      _("\tInferior %d [%s] will be killed.\n"), inf->num,
                      _("\tInferior %d [%s] will be killed.\n"), inf->num,
                      target_pid_to_str (pid_to_ptid (inf->pid)));
                      target_pid_to_str (pid_to_ptid (inf->pid)));
 
 
  return 0;
  return 0;
}
}
 
 
/* If necessary, make the user confirm that we should quit.  Return
/* If necessary, make the user confirm that we should quit.  Return
   non-zero if we should quit, zero if we shouldn't.  */
   non-zero if we should quit, zero if we shouldn't.  */
 
 
int
int
quit_confirm (void)
quit_confirm (void)
{
{
  struct ui_file *stb;
  struct ui_file *stb;
  struct cleanup *old_chain;
  struct cleanup *old_chain;
  char *str;
  char *str;
  int qr;
  int qr;
 
 
  /* Don't even ask if we're only debugging a core file inferior.  */
  /* Don't even ask if we're only debugging a core file inferior.  */
  if (!have_live_inferiors ())
  if (!have_live_inferiors ())
    return 1;
    return 1;
 
 
  /* Build the query string as a single string.  */
  /* Build the query string as a single string.  */
  stb = mem_fileopen ();
  stb = mem_fileopen ();
  old_chain = make_cleanup_ui_file_delete (stb);
  old_chain = make_cleanup_ui_file_delete (stb);
 
 
  /* This is something of a hack.  But there's no reliable way to see
  /* This is something of a hack.  But there's no reliable way to see
     if a GUI is running.  The `use_windows' variable doesn't cut
     if a GUI is running.  The `use_windows' variable doesn't cut
     it.  */
     it.  */
  if (deprecated_init_ui_hook)
  if (deprecated_init_ui_hook)
    fprintf_filtered (stb, _("A debugging session is active.\n"
    fprintf_filtered (stb, _("A debugging session is active.\n"
                             "Do you still want to close the debugger?"));
                             "Do you still want to close the debugger?"));
  else
  else
    {
    {
      fprintf_filtered (stb, _("A debugging session is active.\n\n"));
      fprintf_filtered (stb, _("A debugging session is active.\n\n"));
      iterate_over_inferiors (print_inferior_quit_action, stb);
      iterate_over_inferiors (print_inferior_quit_action, stb);
      fprintf_filtered (stb, _("\nQuit anyway? "));
      fprintf_filtered (stb, _("\nQuit anyway? "));
    }
    }
 
 
  str = ui_file_xstrdup (stb, NULL);
  str = ui_file_xstrdup (stb, NULL);
  make_cleanup (xfree, str);
  make_cleanup (xfree, str);
 
 
  qr = query ("%s", str);
  qr = query ("%s", str);
  do_cleanups (old_chain);
  do_cleanups (old_chain);
  return qr;
  return qr;
}
}
 
 
/* Helper routine for quit_force that requires error handling.  */
/* Helper routine for quit_force that requires error handling.  */
 
 
static int
static int
quit_target (void *arg)
quit_target (void *arg)
{
{
  struct qt_args *qt = (struct qt_args *)arg;
  struct qt_args *qt = (struct qt_args *)arg;
 
 
  /* Kill or detach all inferiors.  */
  /* Kill or detach all inferiors.  */
  iterate_over_inferiors (kill_or_detach, qt);
  iterate_over_inferiors (kill_or_detach, qt);
 
 
  /* Give all pushed targets a chance to do minimal cleanup, and pop
  /* Give all pushed targets a chance to do minimal cleanup, and pop
     them all out.  */
     them all out.  */
  pop_all_targets (1);
  pop_all_targets (1);
 
 
  /* Save the history information if it is appropriate to do so.  */
  /* Save the history information if it is appropriate to do so.  */
  if (write_history_p && history_filename)
  if (write_history_p && history_filename)
    write_history (history_filename);
    write_history (history_filename);
 
 
  do_final_cleanups (ALL_CLEANUPS);     /* Do any final cleanups before exiting */
  do_final_cleanups (ALL_CLEANUPS);     /* Do any final cleanups before exiting */
 
 
  return 0;
  return 0;
}
}
 
 
/* Quit without asking for confirmation.  */
/* Quit without asking for confirmation.  */
 
 
void
void
quit_force (char *args, int from_tty)
quit_force (char *args, int from_tty)
{
{
  int exit_code = 0;
  int exit_code = 0;
  struct qt_args qt;
  struct qt_args qt;
 
 
  /* An optional expression may be used to cause gdb to terminate with the
  /* An optional expression may be used to cause gdb to terminate with the
     value of that expression. */
     value of that expression. */
  if (args)
  if (args)
    {
    {
      struct value *val = parse_and_eval (args);
      struct value *val = parse_and_eval (args);
 
 
      exit_code = (int) value_as_long (val);
      exit_code = (int) value_as_long (val);
    }
    }
  else if (return_child_result)
  else if (return_child_result)
    exit_code = return_child_result_value;
    exit_code = return_child_result_value;
 
 
  qt.args = args;
  qt.args = args;
  qt.from_tty = from_tty;
  qt.from_tty = from_tty;
 
 
  /* We want to handle any quit errors and exit regardless.  */
  /* We want to handle any quit errors and exit regardless.  */
  catch_errors (quit_target, &qt,
  catch_errors (quit_target, &qt,
                "Quitting: ", RETURN_MASK_ALL);
                "Quitting: ", RETURN_MASK_ALL);
 
 
  exit (exit_code);
  exit (exit_code);
}
}
 
 
/* If OFF, the debugger will run in non-interactive mode, which means
/* If OFF, the debugger will run in non-interactive mode, which means
   that it will automatically select the default answer to all the
   that it will automatically select the default answer to all the
   queries made to the user.  If ON, gdb will wait for the user to
   queries made to the user.  If ON, gdb will wait for the user to
   answer all queries.  If AUTO, gdb will determine whether to run
   answer all queries.  If AUTO, gdb will determine whether to run
   in interactive mode or not depending on whether stdin is a terminal
   in interactive mode or not depending on whether stdin is a terminal
   or not.  */
   or not.  */
static enum auto_boolean interactive_mode = AUTO_BOOLEAN_AUTO;
static enum auto_boolean interactive_mode = AUTO_BOOLEAN_AUTO;
 
 
/* Implement the "show interactive-mode" option.  */
/* Implement the "show interactive-mode" option.  */
 
 
static void
static void
show_interactive_mode (struct ui_file *file, int from_tty,
show_interactive_mode (struct ui_file *file, int from_tty,
                       struct cmd_list_element *c,
                       struct cmd_list_element *c,
                       const char *value)
                       const char *value)
{
{
  if (interactive_mode == AUTO_BOOLEAN_AUTO)
  if (interactive_mode == AUTO_BOOLEAN_AUTO)
    fprintf_filtered (file, "\
    fprintf_filtered (file, "\
Debugger's interactive mode is %s (currently %s).\n",
Debugger's interactive mode is %s (currently %s).\n",
                      value, input_from_terminal_p () ? "on" : "off");
                      value, input_from_terminal_p () ? "on" : "off");
  else
  else
    fprintf_filtered (file, "Debugger's interactive mode is %s.\n", value);
    fprintf_filtered (file, "Debugger's interactive mode is %s.\n", value);
}
}
 
 
/* Returns whether GDB is running on a terminal and input is
/* Returns whether GDB is running on a terminal and input is
   currently coming from that terminal.  */
   currently coming from that terminal.  */
 
 
int
int
input_from_terminal_p (void)
input_from_terminal_p (void)
{
{
  if (interactive_mode != AUTO_BOOLEAN_AUTO)
  if (interactive_mode != AUTO_BOOLEAN_AUTO)
    return interactive_mode == AUTO_BOOLEAN_TRUE;
    return interactive_mode == AUTO_BOOLEAN_TRUE;
 
 
  if (gdb_has_a_terminal () && instream == stdin)
  if (gdb_has_a_terminal () && instream == stdin)
    return 1;
    return 1;
 
 
  /* If INSTREAM is unset, and we are not in a user command, we
  /* If INSTREAM is unset, and we are not in a user command, we
     must be in Insight.  That's like having a terminal, for our
     must be in Insight.  That's like having a terminal, for our
     purposes.  */
     purposes.  */
  if (instream == NULL && !in_user_command)
  if (instream == NULL && !in_user_command)
    return 1;
    return 1;
 
 
  return 0;
  return 0;
}
}


static void
static void
dont_repeat_command (char *ignored, int from_tty)
dont_repeat_command (char *ignored, int from_tty)
{
{
  *line = 0;                     /* Can't call dont_repeat here because we're not
  *line = 0;                     /* Can't call dont_repeat here because we're not
                                   necessarily reading from stdin.  */
                                   necessarily reading from stdin.  */
}
}


/* Functions to manipulate command line editing control variables.  */
/* Functions to manipulate command line editing control variables.  */
 
 
/* Number of commands to print in each call to show_commands.  */
/* Number of commands to print in each call to show_commands.  */
#define Hist_print 10
#define Hist_print 10
void
void
show_commands (char *args, int from_tty)
show_commands (char *args, int from_tty)
{
{
  /* Index for history commands.  Relative to history_base.  */
  /* Index for history commands.  Relative to history_base.  */
  int offset;
  int offset;
 
 
  /* Number of the history entry which we are planning to display next.
  /* Number of the history entry which we are planning to display next.
     Relative to history_base.  */
     Relative to history_base.  */
  static int num = 0;
  static int num = 0;
 
 
  /* The first command in the history which doesn't exist (i.e. one more
  /* The first command in the history which doesn't exist (i.e. one more
     than the number of the last command).  Relative to history_base.  */
     than the number of the last command).  Relative to history_base.  */
  int hist_len;
  int hist_len;
 
 
  /* Print out some of the commands from the command history.  */
  /* Print out some of the commands from the command history.  */
  /* First determine the length of the history list.  */
  /* First determine the length of the history list.  */
  hist_len = history_size;
  hist_len = history_size;
  for (offset = 0; offset < history_size; offset++)
  for (offset = 0; offset < history_size; offset++)
    {
    {
      if (!history_get (history_base + offset))
      if (!history_get (history_base + offset))
        {
        {
          hist_len = offset;
          hist_len = offset;
          break;
          break;
        }
        }
    }
    }
 
 
  if (args)
  if (args)
    {
    {
      if (args[0] == '+' && args[1] == '\0')
      if (args[0] == '+' && args[1] == '\0')
        /* "info editing +" should print from the stored position.  */
        /* "info editing +" should print from the stored position.  */
        ;
        ;
      else
      else
        /* "info editing <exp>" should print around command number <exp>.  */
        /* "info editing <exp>" should print around command number <exp>.  */
        num = (parse_and_eval_long (args) - history_base) - Hist_print / 2;
        num = (parse_and_eval_long (args) - history_base) - Hist_print / 2;
    }
    }
  /* "show commands" means print the last Hist_print commands.  */
  /* "show commands" means print the last Hist_print commands.  */
  else
  else
    {
    {
      num = hist_len - Hist_print;
      num = hist_len - Hist_print;
    }
    }
 
 
  if (num < 0)
  if (num < 0)
    num = 0;
    num = 0;
 
 
  /* If there are at least Hist_print commands, we want to display the last
  /* If there are at least Hist_print commands, we want to display the last
     Hist_print rather than, say, the last 6.  */
     Hist_print rather than, say, the last 6.  */
  if (hist_len - num < Hist_print)
  if (hist_len - num < Hist_print)
    {
    {
      num = hist_len - Hist_print;
      num = hist_len - Hist_print;
      if (num < 0)
      if (num < 0)
        num = 0;
        num = 0;
    }
    }
 
 
  for (offset = num; offset < num + Hist_print && offset < hist_len; offset++)
  for (offset = num; offset < num + Hist_print && offset < hist_len; offset++)
    {
    {
      printf_filtered ("%5d  %s\n", history_base + offset,
      printf_filtered ("%5d  %s\n", history_base + offset,
                       (history_get (history_base + offset))->line);
                       (history_get (history_base + offset))->line);
    }
    }
 
 
  /* The next command we want to display is the next one that we haven't
  /* The next command we want to display is the next one that we haven't
     displayed yet.  */
     displayed yet.  */
  num += Hist_print;
  num += Hist_print;
 
 
  /* If the user repeats this command with return, it should do what
  /* If the user repeats this command with return, it should do what
     "show commands +" does.  This is unnecessary if arg is null,
     "show commands +" does.  This is unnecessary if arg is null,
     because "show commands +" is not useful after "show commands".  */
     because "show commands +" is not useful after "show commands".  */
  if (from_tty && args)
  if (from_tty && args)
    {
    {
      args[0] = '+';
      args[0] = '+';
      args[1] = '\0';
      args[1] = '\0';
    }
    }
}
}
 
 
/* Called by do_setshow_command.  */
/* Called by do_setshow_command.  */
static void
static void
set_history_size_command (char *args, int from_tty, struct cmd_list_element *c)
set_history_size_command (char *args, int from_tty, struct cmd_list_element *c)
{
{
  if (history_size == INT_MAX)
  if (history_size == INT_MAX)
    unstifle_history ();
    unstifle_history ();
  else if (history_size >= 0)
  else if (history_size >= 0)
    stifle_history (history_size);
    stifle_history (history_size);
  else
  else
    {
    {
      history_size = INT_MAX;
      history_size = INT_MAX;
      error (_("History size must be non-negative"));
      error (_("History size must be non-negative"));
    }
    }
}
}
 
 
void
void
set_history (char *args, int from_tty)
set_history (char *args, int from_tty)
{
{
  printf_unfiltered (_("\"set history\" must be followed by the name of a history subcommand.\n"));
  printf_unfiltered (_("\"set history\" must be followed by the name of a history subcommand.\n"));
  help_list (sethistlist, "set history ", -1, gdb_stdout);
  help_list (sethistlist, "set history ", -1, gdb_stdout);
}
}
 
 
void
void
show_history (char *args, int from_tty)
show_history (char *args, int from_tty)
{
{
  cmd_show_list (showhistlist, from_tty, "");
  cmd_show_list (showhistlist, from_tty, "");
}
}
 
 
int info_verbose = 0;            /* Default verbose msgs off */
int info_verbose = 0;            /* Default verbose msgs off */
 
 
/* Called by do_setshow_command.  An elaborate joke.  */
/* Called by do_setshow_command.  An elaborate joke.  */
void
void
set_verbose (char *args, int from_tty, struct cmd_list_element *c)
set_verbose (char *args, int from_tty, struct cmd_list_element *c)
{
{
  char *cmdname = "verbose";
  char *cmdname = "verbose";
  struct cmd_list_element *showcmd;
  struct cmd_list_element *showcmd;
 
 
  showcmd = lookup_cmd_1 (&cmdname, showlist, NULL, 1);
  showcmd = lookup_cmd_1 (&cmdname, showlist, NULL, 1);
 
 
  if (info_verbose)
  if (info_verbose)
    {
    {
      c->doc = "Set verbose printing of informational messages.";
      c->doc = "Set verbose printing of informational messages.";
      showcmd->doc = "Show verbose printing of informational messages.";
      showcmd->doc = "Show verbose printing of informational messages.";
    }
    }
  else
  else
    {
    {
      c->doc = "Set verbosity.";
      c->doc = "Set verbosity.";
      showcmd->doc = "Show verbosity.";
      showcmd->doc = "Show verbosity.";
    }
    }
}
}
 
 
/* Init the history buffer.  Note that we are called after the init file(s)
/* Init the history buffer.  Note that we are called after the init file(s)
 * have been read so that the user can change the history file via his
 * have been read so that the user can change the history file via his
 * .gdbinit file (for instance).  The GDBHISTFILE environment variable
 * .gdbinit file (for instance).  The GDBHISTFILE environment variable
 * overrides all of this.
 * overrides all of this.
 */
 */
 
 
void
void
init_history (void)
init_history (void)
{
{
  char *tmpenv;
  char *tmpenv;
 
 
  tmpenv = getenv ("HISTSIZE");
  tmpenv = getenv ("HISTSIZE");
  if (tmpenv)
  if (tmpenv)
    history_size = atoi (tmpenv);
    history_size = atoi (tmpenv);
  else if (!history_size)
  else if (!history_size)
    history_size = 256;
    history_size = 256;
 
 
  stifle_history (history_size);
  stifle_history (history_size);
 
 
  tmpenv = getenv ("GDBHISTFILE");
  tmpenv = getenv ("GDBHISTFILE");
  if (tmpenv)
  if (tmpenv)
    history_filename = xstrdup (tmpenv);
    history_filename = xstrdup (tmpenv);
  else if (!history_filename)
  else if (!history_filename)
    {
    {
      /* We include the current directory so that if the user changes
      /* We include the current directory so that if the user changes
         directories the file written will be the same as the one
         directories the file written will be the same as the one
         that was read.  */
         that was read.  */
#ifdef __MSDOS__
#ifdef __MSDOS__
      /* No leading dots in file names are allowed on MSDOS.  */
      /* No leading dots in file names are allowed on MSDOS.  */
      history_filename = concat (current_directory, "/_gdb_history",
      history_filename = concat (current_directory, "/_gdb_history",
                                 (char *)NULL);
                                 (char *)NULL);
#else
#else
      history_filename = concat (current_directory, "/.gdb_history",
      history_filename = concat (current_directory, "/.gdb_history",
                                 (char *)NULL);
                                 (char *)NULL);
#endif
#endif
    }
    }
  read_history (history_filename);
  read_history (history_filename);
}
}
 
 
static void
static void
show_new_async_prompt (struct ui_file *file, int from_tty,
show_new_async_prompt (struct ui_file *file, int from_tty,
                       struct cmd_list_element *c, const char *value)
                       struct cmd_list_element *c, const char *value)
{
{
  fprintf_filtered (file, _("Gdb's prompt is \"%s\".\n"), value);
  fprintf_filtered (file, _("Gdb's prompt is \"%s\".\n"), value);
}
}
 
 
static void
static void
show_async_command_editing_p (struct ui_file *file, int from_tty,
show_async_command_editing_p (struct ui_file *file, int from_tty,
                              struct cmd_list_element *c, const char *value)
                              struct cmd_list_element *c, const char *value)
{
{
  fprintf_filtered (file, _("\
  fprintf_filtered (file, _("\
Editing of command lines as they are typed is %s.\n"),
Editing of command lines as they are typed is %s.\n"),
                    value);
                    value);
}
}
 
 
static void
static void
show_annotation_level (struct ui_file *file, int from_tty,
show_annotation_level (struct ui_file *file, int from_tty,
                       struct cmd_list_element *c, const char *value)
                       struct cmd_list_element *c, const char *value)
{
{
  fprintf_filtered (file, _("Annotation_level is %s.\n"), value);
  fprintf_filtered (file, _("Annotation_level is %s.\n"), value);
}
}
 
 
static void
static void
show_exec_done_display_p (struct ui_file *file, int from_tty,
show_exec_done_display_p (struct ui_file *file, int from_tty,
                          struct cmd_list_element *c, const char *value)
                          struct cmd_list_element *c, const char *value)
{
{
  fprintf_filtered (file, _("\
  fprintf_filtered (file, _("\
Notification of completion for asynchronous execution commands is %s.\n"),
Notification of completion for asynchronous execution commands is %s.\n"),
                    value);
                    value);
}
}
static void
static void
init_main (void)
init_main (void)
{
{
  struct cmd_list_element *c;
  struct cmd_list_element *c;
 
 
  /* initialize the prompt stack to a simple "(gdb) " prompt or to
  /* initialize the prompt stack to a simple "(gdb) " prompt or to
     whatever the DEFAULT_PROMPT is.  */
     whatever the DEFAULT_PROMPT is.  */
  the_prompts.top = 0;
  the_prompts.top = 0;
  PREFIX (0) = "";
  PREFIX (0) = "";
  PROMPT (0) = xstrdup (DEFAULT_PROMPT);
  PROMPT (0) = xstrdup (DEFAULT_PROMPT);
  SUFFIX (0) = "";
  SUFFIX (0) = "";
  /* Set things up for annotation_level > 1, if the user ever decides
  /* Set things up for annotation_level > 1, if the user ever decides
     to use it.  */
     to use it.  */
  async_annotation_suffix = "prompt";
  async_annotation_suffix = "prompt";
  /* Set the variable associated with the setshow prompt command.  */
  /* Set the variable associated with the setshow prompt command.  */
  new_async_prompt = xstrdup (PROMPT (0));
  new_async_prompt = xstrdup (PROMPT (0));
 
 
  /* If gdb was started with --annotate=2, this is equivalent to the
  /* If gdb was started with --annotate=2, this is equivalent to the
     user entering the command 'set annotate 2' at the gdb prompt, so
     user entering the command 'set annotate 2' at the gdb prompt, so
     we need to do extra processing.  */
     we need to do extra processing.  */
  if (annotation_level > 1)
  if (annotation_level > 1)
    set_async_annotation_level (NULL, 0, NULL);
    set_async_annotation_level (NULL, 0, NULL);
 
 
  /* Set the important stuff up for command editing.  */
  /* Set the important stuff up for command editing.  */
  command_editing_p = 1;
  command_editing_p = 1;
  history_expansion_p = 0;
  history_expansion_p = 0;
  write_history_p = 0;
  write_history_p = 0;
 
 
  /* Setup important stuff for command line editing.  */
  /* Setup important stuff for command line editing.  */
  rl_completion_word_break_hook = gdb_completion_word_break_characters;
  rl_completion_word_break_hook = gdb_completion_word_break_characters;
  rl_completion_entry_function = readline_line_completion_function;
  rl_completion_entry_function = readline_line_completion_function;
  rl_completer_word_break_characters = default_word_break_characters ();
  rl_completer_word_break_characters = default_word_break_characters ();
  rl_completer_quote_characters = get_gdb_completer_quote_characters ();
  rl_completer_quote_characters = get_gdb_completer_quote_characters ();
  rl_readline_name = "gdb";
  rl_readline_name = "gdb";
  rl_terminal_name = getenv ("TERM");
  rl_terminal_name = getenv ("TERM");
 
 
  /* The name for this defun comes from Bash, where it originated.
  /* The name for this defun comes from Bash, where it originated.
     15 is Control-o, the same binding this function has in Bash.  */
     15 is Control-o, the same binding this function has in Bash.  */
  rl_add_defun ("operate-and-get-next", gdb_rl_operate_and_get_next, 15);
  rl_add_defun ("operate-and-get-next", gdb_rl_operate_and_get_next, 15);
 
 
  add_setshow_string_cmd ("prompt", class_support,
  add_setshow_string_cmd ("prompt", class_support,
                          &new_async_prompt, _("\
                          &new_async_prompt, _("\
Set gdb's prompt"), _("\
Set gdb's prompt"), _("\
Show gdb's prompt"), NULL,
Show gdb's prompt"), NULL,
                          set_async_prompt,
                          set_async_prompt,
                          show_new_async_prompt,
                          show_new_async_prompt,
                          &setlist, &showlist);
                          &setlist, &showlist);
 
 
  add_com ("dont-repeat", class_support, dont_repeat_command, _("\
  add_com ("dont-repeat", class_support, dont_repeat_command, _("\
Don't repeat this command.\n\
Don't repeat this command.\n\
Primarily used inside of user-defined commands that should not be repeated when\n\
Primarily used inside of user-defined commands that should not be repeated when\n\
hitting return."));
hitting return."));
 
 
  add_setshow_boolean_cmd ("editing", class_support,
  add_setshow_boolean_cmd ("editing", class_support,
                           &async_command_editing_p, _("\
                           &async_command_editing_p, _("\
Set editing of command lines as they are typed."), _("\
Set editing of command lines as they are typed."), _("\
Show editing of command lines as they are typed."), _("\
Show editing of command lines as they are typed."), _("\
Use \"on\" to enable the editing, and \"off\" to disable it.\n\
Use \"on\" to enable the editing, and \"off\" to disable it.\n\
Without an argument, command line editing is enabled.  To edit, use\n\
Without an argument, command line editing is enabled.  To edit, use\n\
EMACS-like or VI-like commands like control-P or ESC."),
EMACS-like or VI-like commands like control-P or ESC."),
                           set_async_editing_command,
                           set_async_editing_command,
                           show_async_command_editing_p,
                           show_async_command_editing_p,
                           &setlist, &showlist);
                           &setlist, &showlist);
 
 
  add_setshow_boolean_cmd ("save", no_class, &write_history_p, _("\
  add_setshow_boolean_cmd ("save", no_class, &write_history_p, _("\
Set saving of the history record on exit."), _("\
Set saving of the history record on exit."), _("\
Show saving of the history record on exit."), _("\
Show saving of the history record on exit."), _("\
Use \"on\" to enable the saving, and \"off\" to disable it.\n\
Use \"on\" to enable the saving, and \"off\" to disable it.\n\
Without an argument, saving is enabled."),
Without an argument, saving is enabled."),
                           NULL,
                           NULL,
                           show_write_history_p,
                           show_write_history_p,
                           &sethistlist, &showhistlist);
                           &sethistlist, &showhistlist);
 
 
  add_setshow_integer_cmd ("size", no_class, &history_size, _("\
  add_setshow_integer_cmd ("size", no_class, &history_size, _("\
Set the size of the command history,"), _("\
Set the size of the command history,"), _("\
Show the size of the command history,"), _("\
Show the size of the command history,"), _("\
ie. the number of previous commands to keep a record of."),
ie. the number of previous commands to keep a record of."),
                           set_history_size_command,
                           set_history_size_command,
                           show_history_size,
                           show_history_size,
                           &sethistlist, &showhistlist);
                           &sethistlist, &showhistlist);
 
 
  add_setshow_filename_cmd ("filename", no_class, &history_filename, _("\
  add_setshow_filename_cmd ("filename", no_class, &history_filename, _("\
Set the filename in which to record the command history"), _("\
Set the filename in which to record the command history"), _("\
Show the filename in which to record the command history"), _("\
Show the filename in which to record the command history"), _("\
(the list of previous commands of which a record is kept)."),
(the list of previous commands of which a record is kept)."),
                            NULL,
                            NULL,
                            show_history_filename,
                            show_history_filename,
                            &sethistlist, &showhistlist);
                            &sethistlist, &showhistlist);
 
 
  add_setshow_boolean_cmd ("confirm", class_support, &caution, _("\
  add_setshow_boolean_cmd ("confirm", class_support, &caution, _("\
Set whether to confirm potentially dangerous operations."), _("\
Set whether to confirm potentially dangerous operations."), _("\
Show whether to confirm potentially dangerous operations."), NULL,
Show whether to confirm potentially dangerous operations."), NULL,
                           NULL,
                           NULL,
                           show_caution,
                           show_caution,
                           &setlist, &showlist);
                           &setlist, &showlist);
 
 
  add_setshow_zinteger_cmd ("annotate", class_obscure, &annotation_level, _("\
  add_setshow_zinteger_cmd ("annotate", class_obscure, &annotation_level, _("\
Set annotation_level."), _("\
Set annotation_level."), _("\
Show annotation_level."), _("\
Show annotation_level."), _("\
0 == normal;     1 == fullname (for use when running under emacs)\n\
0 == normal;     1 == fullname (for use when running under emacs)\n\
2 == output annotated suitably for use by programs that control GDB."),
2 == output annotated suitably for use by programs that control GDB."),
                            set_async_annotation_level,
                            set_async_annotation_level,
                            show_annotation_level,
                            show_annotation_level,
                            &setlist, &showlist);
                            &setlist, &showlist);
 
 
  add_setshow_boolean_cmd ("exec-done-display", class_support,
  add_setshow_boolean_cmd ("exec-done-display", class_support,
                           &exec_done_display_p, _("\
                           &exec_done_display_p, _("\
Set notification of completion for asynchronous execution commands."), _("\
Set notification of completion for asynchronous execution commands."), _("\
Show notification of completion for asynchronous execution commands."), _("\
Show notification of completion for asynchronous execution commands."), _("\
Use \"on\" to enable the notification, and \"off\" to disable it."),
Use \"on\" to enable the notification, and \"off\" to disable it."),
                           NULL,
                           NULL,
                           show_exec_done_display_p,
                           show_exec_done_display_p,
                           &setlist, &showlist);
                           &setlist, &showlist);
 
 
  add_setshow_auto_boolean_cmd ("interactive-mode", class_support,
  add_setshow_auto_boolean_cmd ("interactive-mode", class_support,
                                &interactive_mode, _("\
                                &interactive_mode, _("\
Set whether GDB should run in interactive mode or not"), _("\
Set whether GDB should run in interactive mode or not"), _("\
Show whether GDB runs in interactive mode"), _("\
Show whether GDB runs in interactive mode"), _("\
If on, run in interactive mode and wait for the user to answer\n\
If on, run in interactive mode and wait for the user to answer\n\
all queries.  If off, run in non-interactive mode and automatically\n\
all queries.  If off, run in non-interactive mode and automatically\n\
assume the default answer to all queries.  If auto (the default),\n\
assume the default answer to all queries.  If auto (the default),\n\
determine which mode to use based on the standard input settings"),
determine which mode to use based on the standard input settings"),
                        NULL,
                        NULL,
                        show_interactive_mode,
                        show_interactive_mode,
                        &setlist, &showlist);
                        &setlist, &showlist);
 
 
  add_setshow_filename_cmd ("data-directory", class_maintenance,
  add_setshow_filename_cmd ("data-directory", class_maintenance,
                           &gdb_datadir, _("Set GDB's data directory."),
                           &gdb_datadir, _("Set GDB's data directory."),
                           _("Show GDB's data directory."),
                           _("Show GDB's data directory."),
                           _("\
                           _("\
When set, GDB uses the specified path to search for data files."),
When set, GDB uses the specified path to search for data files."),
                           NULL, NULL,
                           NULL, NULL,
                           &setlist,
                           &setlist,
                           &showlist);
                           &showlist);
}
}
 
 
void
void
gdb_init (char *argv0)
gdb_init (char *argv0)
{
{
  if (pre_init_ui_hook)
  if (pre_init_ui_hook)
    pre_init_ui_hook ();
    pre_init_ui_hook ();
 
 
  /* Run the init function of each source file */
  /* Run the init function of each source file */
 
 
#ifdef __MSDOS__
#ifdef __MSDOS__
  /* Make sure we return to the original directory upon exit, come
  /* Make sure we return to the original directory upon exit, come
     what may, since the OS doesn't do that for us.  */
     what may, since the OS doesn't do that for us.  */
  make_final_cleanup (do_chdir_cleanup, xstrdup (current_directory));
  make_final_cleanup (do_chdir_cleanup, xstrdup (current_directory));
#endif
#endif
 
 
  init_cmd_lists ();            /* This needs to be done first */
  init_cmd_lists ();            /* This needs to be done first */
  initialize_targets ();        /* Setup target_terminal macros for utils.c */
  initialize_targets ();        /* Setup target_terminal macros for utils.c */
  initialize_utils ();          /* Make errors and warnings possible */
  initialize_utils ();          /* Make errors and warnings possible */
  initialize_all_files ();
  initialize_all_files ();
  /* This creates the current_program_space.  Do this after all the
  /* This creates the current_program_space.  Do this after all the
     _initialize_foo routines have had a chance to install their
     _initialize_foo routines have had a chance to install their
     per-sspace data keys.  Also do this before
     per-sspace data keys.  Also do this before
     initialize_current_architecture is called, because it accesses
     initialize_current_architecture is called, because it accesses
     exec_bfd of the current program space.  */
     exec_bfd of the current program space.  */
  initialize_progspace ();
  initialize_progspace ();
  initialize_inferiors ();
  initialize_inferiors ();
  initialize_current_architecture ();
  initialize_current_architecture ();
  init_cli_cmds();
  init_cli_cmds();
  init_main ();                 /* But that omits this file!  Do it now */
  init_main ();                 /* But that omits this file!  Do it now */
 
 
  initialize_stdin_serial ();
  initialize_stdin_serial ();
 
 
  async_init_signals ();
  async_init_signals ();
 
 
  /* We need a default language for parsing expressions, so simple things like
  /* We need a default language for parsing expressions, so simple things like
     "set width 0" won't fail if no language is explicitly set in a config file
     "set width 0" won't fail if no language is explicitly set in a config file
     or implicitly set by reading an executable during startup. */
     or implicitly set by reading an executable during startup. */
  set_language (language_c);
  set_language (language_c);
  expected_language = current_language;         /* don't warn about the change.  */
  expected_language = current_language;         /* don't warn about the change.  */
 
 
  /* Allow another UI to initialize. If the UI fails to initialize,
  /* Allow another UI to initialize. If the UI fails to initialize,
     and it wants GDB to revert to the CLI, it should clear
     and it wants GDB to revert to the CLI, it should clear
     deprecated_init_ui_hook.  */
     deprecated_init_ui_hook.  */
  if (deprecated_init_ui_hook)
  if (deprecated_init_ui_hook)
    deprecated_init_ui_hook (argv0);
    deprecated_init_ui_hook (argv0);
}
}
 
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.