GDB 6.1 (excluding .info files)

1 files changed, 1288 insertions, 0 deletions

diff --git a/gnu/usr.bin/binutils/gdb/cli/cli-cmds.c b/gnu/usr.bin/binutils/gdb/cli/cli-cmds.c
new file mode 100644
index 00000000000..9378ac87064
--- /dev/null
+++ b/gnu/usr.bin/binutils/gdb/cli/cli-cmds.c
@@ -0,0 +1,1288 @@
+/* GDB CLI commands.
+
+   Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   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
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "defs.h"
+#include "readline/readline.h"
+#include "readline/tilde.h"
+#include "completer.h"
+#include "target.h"	 /* For baud_rate, remote_debug and remote_timeout */
+#include "gdb_wait.h"		/* For shell escape implementation */
+#include "gdb_regex.h"		/* Used by apropos_command */
+#include "gdb_string.h"
+#include "gdb_vfork.h"
+#include "linespec.h"
+#include "expression.h"
+#include "frame.h"
+#include "value.h"
+#include "language.h"
+#include "filenames.h"		/* for DOSish file names */
+#include "objfiles.h"
+#include "source.h"
+#include "disasm.h"
+
+#include "ui-out.h"
+
+#include "top.h"
+#include "cli/cli-decode.h"
+#include "cli/cli-script.h"
+#include "cli/cli-setshow.h"
+#include "cli/cli-cmds.h"
+
+#ifdef TUI
+#include "tui/tui.h"		/* For tui_active et.al.   */
+#endif
+
+#ifndef GDBINIT_FILENAME
+#define GDBINIT_FILENAME        ".gdbinit"
+#endif
+
+/* Prototypes for local command functions */
+
+static void complete_command (char *, int);
+
+static void echo_command (char *, int);
+
+static void pwd_command (char *, int);
+
+static void show_version (char *, int);
+
+static void help_command (char *, int);
+
+static void show_command (char *, int);
+
+static void info_command (char *, int);
+
+static void show_debug (char *, int);
+
+static void set_debug (char *, int);
+
+static void show_user (char *, int);
+
+static void make_command (char *, int);
+
+static void shell_escape (char *, int);
+
+static void edit_command (char *, int);
+
+static void list_command (char *, int);
+
+void apropos_command (char *, int);
+
+/* Prototypes for local utility functions */
+
+static void ambiguous_line_spec (struct symtabs_and_lines *);
+
+/* Limit the call depth of user-defined commands */
+int max_user_call_depth;
+
+/* Define all cmd_list_elements.  */
+
+/* Chain containing all defined commands.  */
+
+struct cmd_list_element *cmdlist;
+
+/* Chain containing all defined info subcommands.  */
+
+struct cmd_list_element *infolist;
+
+/* Chain containing all defined enable subcommands. */
+
+struct cmd_list_element *enablelist;
+
+/* Chain containing all defined disable subcommands. */
+
+struct cmd_list_element *disablelist;
+
+/* Chain containing all defined toggle subcommands. */
+
+struct cmd_list_element *togglelist;
+
+/* Chain containing all defined stop subcommands. */
+
+struct cmd_list_element *stoplist;
+
+/* Chain containing all defined delete subcommands. */
+
+struct cmd_list_element *deletelist;
+
+/* Chain containing all defined "enable breakpoint" subcommands. */
+
+struct cmd_list_element *enablebreaklist;
+
+/* Chain containing all defined set subcommands */
+
+struct cmd_list_element *setlist;
+
+/* Chain containing all defined unset subcommands */
+
+struct cmd_list_element *unsetlist;
+
+/* Chain containing all defined show subcommands.  */
+
+struct cmd_list_element *showlist;
+
+/* Chain containing all defined \"set history\".  */
+
+struct cmd_list_element *sethistlist;
+
+/* Chain containing all defined \"show history\".  */
+
+struct cmd_list_element *showhistlist;
+
+/* Chain containing all defined \"unset history\".  */
+
+struct cmd_list_element *unsethistlist;
+
+/* Chain containing all defined maintenance subcommands. */
+
+struct cmd_list_element *maintenancelist;
+
+/* Chain containing all defined "maintenance info" subcommands. */
+
+struct cmd_list_element *maintenanceinfolist;
+
+/* Chain containing all defined "maintenance print" subcommands. */
+
+struct cmd_list_element *maintenanceprintlist;
+
+struct cmd_list_element *setprintlist;
+
+struct cmd_list_element *showprintlist;
+
+struct cmd_list_element *setdebuglist;
+
+struct cmd_list_element *showdebuglist;
+
+struct cmd_list_element *setchecklist;
+
+struct cmd_list_element *showchecklist;
+
+/* Utility used everywhere when at least one argument is needed and
+   none is supplied. */
+
+void
+error_no_arg (char *why)
+{
+  error ("Argument required (%s).", why);
+}
+
+/* The "info" command is defined as a prefix, with allow_unknown = 0.
+   Therefore, its own definition is called only for "info" with no args.  */
+
+static void
+info_command (char *arg, int from_tty)
+{
+  printf_unfiltered ("\"info\" must be followed by the name of an info command.\n");
+  help_list (infolist, "info ", -1, gdb_stdout);
+}
+
+/* The "show" command with no arguments shows all the settings.  */
+
+static void
+show_command (char *arg, int from_tty)
+{
+  cmd_show_list (showlist, from_tty, "");
+}
+
+/* Provide documentation on command or list given by COMMAND.  FROM_TTY
+   is ignored.  */
+
+static void
+help_command (char *command, int from_tty)
+{
+  help_cmd (command, gdb_stdout);
+}
+
+/* String compare function for qsort.  */
+static int
+compare_strings (const void *arg1, const void *arg2)
+{
+  const char **s1 = (const char **) arg1;
+  const char **s2 = (const char **) arg2;
+  return strcmp (*s1, *s2);
+}
+
+/* The "complete" command is used by Emacs to implement completion.  */
+
+static void
+complete_command (char *arg, int from_tty)
+{
+  int i;
+  int argpoint;
+  char **completions, *point, *arg_prefix;
+
+  dont_repeat ();
+
+  if (arg == NULL)
+    arg = "";
+  argpoint = strlen (arg);
+
+  /* complete_line assumes that its first argument is somewhere within,
+     and except for filenames at the beginning of, the word to be completed.
+     The following crude imitation of readline's word-breaking tries to
+     accomodate this.  */
+  point = arg + argpoint;
+  while (point > arg)
+    {
+      if (strchr (rl_completer_word_break_characters, point[-1]) != 0)
+        break;
+      point--;
+    }
+
+  arg_prefix = alloca (point - arg + 1);
+  memcpy (arg_prefix, arg, point - arg);
+  arg_prefix[point - arg] = 0;
+
+  completions = complete_line (point, arg, argpoint);
+
+  if (completions)
+    {
+      int item, size;
+
+      for (size = 0; completions[size]; ++size)
+	;
+      qsort (completions, size, sizeof (char *), compare_strings);
+
+      /* We do extra processing here since we only want to print each
+	 unique item once.  */
+      item = 0;
+      while (item < size)
+	{
+	  int next_item;
+	  printf_unfiltered ("%s%s\n", arg_prefix, completions[item]);
+	  next_item = item + 1;
+	  while (next_item < size
+		 && ! strcmp (completions[item], completions[next_item]))
+	    {
+	      xfree (completions[next_item]);
+	      ++next_item;
+	    }
+
+	  xfree (completions[item]);
+	  item = next_item;
+	}
+
+      xfree (completions);
+    }
+}
+
+int
+is_complete_command (struct cmd_list_element *c)
+{
+  return cmd_cfunc_eq (c, complete_command);
+}
+
+static void
+show_version (char *args, int from_tty)
+{
+  immediate_quit++;
+  print_gdb_version (gdb_stdout);
+  printf_filtered ("\n");
+  immediate_quit--;
+}
+
+/* Handle the quit command.  */
+
+void
+quit_command (char *args, int from_tty)
+{
+  if (!quit_confirm ())
+    error ("Not confirmed.");
+  quit_force (args, from_tty);
+}
+
+static void
+pwd_command (char *args, int from_tty)
+{
+  if (args)
+    error ("The \"pwd\" command does not take an argument: %s", args);
+  getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
+
+  if (strcmp (gdb_dirbuf, current_directory) != 0)
+    printf_unfiltered ("Working directory %s\n (canonically %s).\n",
+		       current_directory, gdb_dirbuf);
+  else
+    printf_unfiltered ("Working directory %s.\n", current_directory);
+}
+
+void
+cd_command (char *dir, int from_tty)
+{
+  int len;
+  /* Found something other than leading repetitions of "/..".  */
+  int found_real_path;
+  char *p;
+
+  /* If the new directory is absolute, repeat is a no-op; if relative,
+     repeat might be useful but is more likely to be a mistake.  */
+  dont_repeat ();
+
+  if (dir == 0)
+    error_no_arg ("new working directory");
+
+  dir = tilde_expand (dir);
+  make_cleanup (xfree, dir);
+
+  if (chdir (dir) < 0)
+    perror_with_name (dir);
+
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+  /* There's too much mess with DOSish names like "d:", "d:.",
+     "d:./foo" etc.  Instead of having lots of special #ifdef'ed code,
+     simply get the canonicalized name of the current directory.  */
+  dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
+#endif
+
+  len = strlen (dir);
+  if (IS_DIR_SEPARATOR (dir[len - 1]))
+    {
+      /* Remove the trailing slash unless this is a root directory
+         (including a drive letter on non-Unix systems).  */
+      if (!(len == 1)		/* "/" */
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+	  && !(len == 3 && dir[1] == ':') /* "d:/" */
+#endif
+	  )
+	len--;
+    }
+
+  dir = savestring (dir, len);
+  if (IS_ABSOLUTE_PATH (dir))
+    current_directory = dir;
+  else
+    {
+      if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
+	current_directory = concat (current_directory, dir, NULL);
+      else
+	current_directory = concat (current_directory, SLASH_STRING, dir, NULL);
+      xfree (dir);
+    }
+
+  /* Now simplify any occurrences of `.' and `..' in the pathname.  */
+
+  found_real_path = 0;
+  for (p = current_directory; *p;)
+    {
+      if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
+	  && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
+	strcpy (p, p + 2);
+      else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
+	       && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
+	{
+	  if (found_real_path)
+	    {
+	      /* Search backwards for the directory just before the "/.."
+	         and obliterate it and the "/..".  */
+	      char *q = p;
+	      while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
+		--q;
+
+	      if (q == current_directory)
+		/* current_directory is
+		   a relative pathname ("can't happen"--leave it alone).  */
+		++p;
+	      else
+		{
+		  strcpy (q - 1, p + 3);
+		  p = q - 1;
+		}
+	    }
+	  else
+	    /* We are dealing with leading repetitions of "/..", for example
+	       "/../..", which is the Mach super-root.  */
+	    p += 3;
+	}
+      else
+	{
+	  found_real_path = 1;
+	  ++p;
+	}
+    }
+
+  forget_cached_source_info ();
+
+  if (from_tty)
+    pwd_command ((char *) 0, 1);
+}
+
+void
+source_command (char *args, int from_tty)
+{
+  FILE *stream;
+  struct cleanup *old_cleanups;
+  char *file = args;
+
+  if (file == NULL)
+    {
+      error ("source command requires pathname of file to source.");
+    }
+
+  file = tilde_expand (file);
+  old_cleanups = make_cleanup (xfree, file);
+
+  stream = fopen (file, FOPEN_RT);
+  if (!stream)
+    {
+      if (from_tty)
+	perror_with_name (file);
+      else
+	return;
+    }
+
+  script_from_file (stream, file);
+
+  do_cleanups (old_cleanups);
+}
+
+static void
+echo_command (char *text, int from_tty)
+{
+  char *p = text;
+  int c;
+
+  if (text)
+    while ((c = *p++) != '\0')
+      {
+	if (c == '\\')
+	  {
+	    /* \ at end of argument is used after spaces
+	       so they won't be lost.  */
+	    if (*p == 0)
+	      return;
+
+	    c = parse_escape (&p);
+	    if (c >= 0)
+	      printf_filtered ("%c", c);
+	  }
+	else
+	  printf_filtered ("%c", c);
+      }
+
+  /* Force this output to appear now.  */
+  wrap_here ("");
+  gdb_flush (gdb_stdout);
+}
+
+static void
+shell_escape (char *arg, int from_tty)
+{
+#ifdef CANT_FORK
+  /* If ARG is NULL, they want an inferior shell, but `system' just
+     reports if the shell is available when passed a NULL arg.  */
+  int rc = system (arg ? arg : "");
+
+  if (!arg)
+    arg = "inferior shell";
+
+  if (rc == -1)
+    {
+      fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
+			  safe_strerror (errno));
+      gdb_flush (gdb_stderr);
+    }
+  else if (rc)
+    {
+      fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
+      gdb_flush (gdb_stderr);
+    }
+#ifdef GLOBAL_CURDIR
+  /* Make sure to return to the directory GDB thinks it is, in case the
+     shell command we just ran changed it.  */
+  chdir (current_directory);
+#endif
+#else /* Can fork.  */
+  int rc, status, pid;
+
+  if ((pid = vfork ()) == 0)
+    {
+      char *p, *user_shell;
+
+      if ((user_shell = (char *) getenv ("SHELL")) == NULL)
+	user_shell = "/bin/sh";
+
+      /* Get the name of the shell for arg0 */
+      if ((p = strrchr (user_shell, '/')) == NULL)
+	p = user_shell;
+      else
+	p++;			/* Get past '/' */
+
+      if (!arg)
+	execl (user_shell, p, (char *) 0);
+      else
+	execl (user_shell, p, "-c", arg, (char *) 0);
+
+      fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
+			  safe_strerror (errno));
+      gdb_flush (gdb_stderr);
+      _exit (0177);
+    }
+
+  if (pid != -1)
+    while ((rc = wait (&status)) != pid && rc != -1)
+      ;
+  else
+    error ("Fork failed");
+#endif /* Can fork.  */
+}
+
+static void
+edit_command (char *arg, int from_tty)
+{
+  struct symtabs_and_lines sals;
+  struct symtab_and_line sal;
+  struct symbol *sym;
+  char *arg1;
+  int cmdlen, log10;
+  unsigned m;
+  char *editor;
+  char *p;
+
+  /* Pull in the current default source line if necessary */
+  if (arg == 0)
+    {
+      set_default_source_symtab_and_line ();
+      sal = get_current_source_symtab_and_line ();
+    }
+
+  /* bare "edit" edits file with present line.  */
+
+  if (arg == 0)
+    {
+      if (sal.symtab == 0)
+	error ("No default source file yet.");
+      sal.line += get_lines_to_list () / 2;
+    }
+  else
+    {
+
+      /* Now should only be one argument -- decode it in SAL */
+
+      arg1 = arg;
+      sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
+
+      if (! sals.nelts) return;  /*  C++  */
+      if (sals.nelts > 1) {
+        ambiguous_line_spec (&sals);
+        xfree (sals.sals);
+        return;
+      }
+
+      sal = sals.sals[0];
+      xfree (sals.sals);
+
+      if (*arg1)
+        error ("Junk at end of line specification.");
+
+      /* if line was specified by address,
+         first print exactly which line, and which file.
+         In this case, sal.symtab == 0 means address is outside
+         of all known source files, not that user failed to give a filename.  */
+      if (*arg == '*')
+        {
+          if (sal.symtab == 0)
+	    /* FIXME-32x64--assumes sal.pc fits in long.  */
+	    error ("No source file for address %s.",
+		   local_hex_string((unsigned long) sal.pc));
+          sym = find_pc_function (sal.pc);
+          if (sym)
+	    {
+	      print_address_numeric (sal.pc, 1, gdb_stdout);
+	      printf_filtered (" is in ");
+	      fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
+	      printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
+	    }
+          else
+	    {
+	      print_address_numeric (sal.pc, 1, gdb_stdout);
+	      printf_filtered (" is at %s:%d.\n",
+			       sal.symtab->filename, sal.line);
+	    }
+        }
+
+      /* If what was given does not imply a symtab, it must be an undebuggable
+         symbol which means no source code.  */
+
+      if (sal.symtab == 0)
+        error ("No line number known for %s.", arg);
+    }
+
+  if ((editor = (char *) getenv ("EDITOR")) == NULL)
+      editor = "/bin/ex";
+  
+  /* Approximate base-10 log of line to 1 unit for digit count */
+  for(log10=32, m=0x80000000; !(sal.line & m) && log10>0; log10--, m=m>>1);
+  log10 = 1 + (int)((log10 + (0 == ((m-1) & sal.line)))/3.32192809);
+
+  cmdlen = strlen(editor) + 1
+         + (NULL == sal.symtab->dirname ? 0 : strlen(sal.symtab->dirname) + 1)
+	 + (NULL == sal.symtab->filename? 0 : strlen(sal.symtab->filename)+ 1)
+	 + log10 + 2;
+  
+  p = xmalloc(cmdlen);
+  sprintf(p,"%s +%d %s%s",editor,sal.line,
+     (NULL == sal.symtab->dirname ? "./" :
+        (NULL != sal.symtab->filename && *(sal.symtab->filename) != '/') ?
+	   sal.symtab->dirname : ""),
+     (NULL == sal.symtab->filename ? "unknown" : sal.symtab->filename)
+  );
+  shell_escape(p, from_tty);
+
+  xfree(p);
+}
+
+static void
+list_command (char *arg, int from_tty)
+{
+  struct symtabs_and_lines sals, sals_end;
+  struct symtab_and_line sal, sal_end, cursal;
+  struct symbol *sym;
+  char *arg1;
+  int no_end = 1;
+  int dummy_end = 0;
+  int dummy_beg = 0;
+  int linenum_beg = 0;
+  char *p;
+
+  /* Pull in the current default source line if necessary */
+  if (arg == 0 || arg[0] == '+' || arg[0] == '-')
+    {
+      set_default_source_symtab_and_line ();
+      cursal = get_current_source_symtab_and_line ();
+    }
+
+  /* "l" or "l +" lists next ten lines.  */
+
+  if (arg == 0 || strcmp (arg, "+") == 0)
+    {
+      print_source_lines (cursal.symtab, cursal.line,
+			  cursal.line + get_lines_to_list (), 0);
+      return;
+    }
+
+  /* "l -" lists previous ten lines, the ones before the ten just listed.  */
+  if (strcmp (arg, "-") == 0)
+    {
+      print_source_lines (cursal.symtab,
+			  max (get_first_line_listed () - get_lines_to_list (), 1),
+			  get_first_line_listed (), 0);
+      return;
+    }
+
+  /* Now if there is only one argument, decode it in SAL
+     and set NO_END.
+     If there are two arguments, decode them in SAL and SAL_END
+     and clear NO_END; however, if one of the arguments is blank,
+     set DUMMY_BEG or DUMMY_END to record that fact.  */
+
+  if (!have_full_symbols () && !have_partial_symbols ())
+    error ("No symbol table is loaded.  Use the \"file\" command.");
+
+  arg1 = arg;
+  if (*arg1 == ',')
+    dummy_beg = 1;
+  else
+    {
+      sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
+
+      if (!sals.nelts)
+	return;			/*  C++  */
+      if (sals.nelts > 1)
+	{
+	  ambiguous_line_spec (&sals);
+	  xfree (sals.sals);
+	  return;
+	}
+
+      sal = sals.sals[0];
+      xfree (sals.sals);
+    }
+
+  /* Record whether the BEG arg is all digits.  */
+
+  for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
+  linenum_beg = (p == arg1);
+
+  while (*arg1 == ' ' || *arg1 == '\t')
+    arg1++;
+  if (*arg1 == ',')
+    {
+      no_end = 0;
+      arg1++;
+      while (*arg1 == ' ' || *arg1 == '\t')
+	arg1++;
+      if (*arg1 == 0)
+	dummy_end = 1;
+      else
+	{
+	  if (dummy_beg)
+	    sals_end = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
+	  else
+	    sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0, 0);
+	  if (sals_end.nelts == 0)
+	    return;
+	  if (sals_end.nelts > 1)
+	    {
+	      ambiguous_line_spec (&sals_end);
+	      xfree (sals_end.sals);
+	      return;
+	    }
+	  sal_end = sals_end.sals[0];
+	  xfree (sals_end.sals);
+	}
+    }
+
+  if (*arg1)
+    error ("Junk at end of line specification.");
+
+  if (!no_end && !dummy_beg && !dummy_end
+      && sal.symtab != sal_end.symtab)
+    error ("Specified start and end are in different files.");
+  if (dummy_beg && dummy_end)
+    error ("Two empty args do not say what lines to list.");
+
+  /* if line was specified by address,
+     first print exactly which line, and which file.
+     In this case, sal.symtab == 0 means address is outside
+     of all known source files, not that user failed to give a filename.  */
+  if (*arg == '*')
+    {
+      if (sal.symtab == 0)
+	/* FIXME-32x64--assumes sal.pc fits in long.  */
+	error ("No source file for address %s.",
+	       local_hex_string ((unsigned long) sal.pc));
+      sym = find_pc_function (sal.pc);
+      if (sym)
+	{
+	  print_address_numeric (sal.pc, 1, gdb_stdout);
+	  printf_filtered (" is in ");
+	  fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
+	  printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
+	}
+      else
+	{
+	  print_address_numeric (sal.pc, 1, gdb_stdout);
+	  printf_filtered (" is at %s:%d.\n",
+			   sal.symtab->filename, sal.line);
+	}
+    }
+
+  /* If line was not specified by just a line number,
+     and it does not imply a symtab, it must be an undebuggable symbol
+     which means no source code.  */
+
+  if (!linenum_beg && sal.symtab == 0)
+    error ("No line number known for %s.", arg);
+
+  /* If this command is repeated with RET,
+     turn it into the no-arg variant.  */
+
+  if (from_tty)
+    *arg = 0;
+
+  if (dummy_beg && sal_end.symtab == 0)
+    error ("No default source file yet.  Do \"help list\".");
+  if (dummy_beg)
+    print_source_lines (sal_end.symtab,
+			max (sal_end.line - (get_lines_to_list () - 1), 1),
+			sal_end.line + 1, 0);
+  else if (sal.symtab == 0)
+    error ("No default source file yet.  Do \"help list\".");
+  else if (no_end)
+    {
+      int first_line = sal.line - get_lines_to_list () / 2;
+
+      if (first_line < 1) first_line = 1;
+
+      print_source_lines (sal.symtab,
+		          first_line,
+			  first_line + get_lines_to_list (),
+			  0);
+    }
+  else
+    print_source_lines (sal.symtab, sal.line,
+			(dummy_end
+			 ? sal.line + get_lines_to_list ()
+			 : sal_end.line + 1),
+			0);
+}
+
+/* Dump a specified section of assembly code.  With no command line
+   arguments, this command will dump the assembly code for the
+   function surrounding the pc value in the selected frame.  With one
+   argument, it will dump the assembly code surrounding that pc value.
+   Two arguments are interpeted as bounds within which to dump
+   assembly.  */
+
+static void
+disassemble_command (char *arg, int from_tty)
+{
+  CORE_ADDR low, high;
+  char *name;
+  CORE_ADDR pc, pc_masked;
+  char *space_index;
+#if 0
+  asection *section;
+#endif
+
+  name = NULL;
+  if (!arg)
+    {
+      if (!deprecated_selected_frame)
+	error ("No frame selected.\n");
+
+      pc = get_frame_pc (deprecated_selected_frame);
+      if (find_pc_partial_function (pc, &name, &low, &high) == 0)
+	error ("No function contains program counter for selected frame.\n");
+#if defined(TUI)
+      /* NOTE: cagney/2003-02-13 The `tui_active' was previously
+	 `tui_version'.  */
+      if (tui_active)
+	/* FIXME: cagney/2004-02-07: This should be an observer.  */
+	low = tui_get_low_disassembly_address (low, pc);
+#endif
+      low += FUNCTION_START_OFFSET;
+    }
+  else if (!(space_index = (char *) strchr (arg, ' ')))
+    {
+      /* One argument.  */
+      pc = parse_and_eval_address (arg);
+      if (find_pc_partial_function (pc, &name, &low, &high) == 0)
+	error ("No function contains specified address.\n");
+#if defined(TUI)
+      /* NOTE: cagney/2003-02-13 The `tui_active' was previously
+	 `tui_version'.  */
+      if (tui_active)
+	/* FIXME: cagney/2004-02-07: This should be an observer.  */
+	low = tui_get_low_disassembly_address (low, pc);
+#endif
+      low += FUNCTION_START_OFFSET;
+    }
+  else
+    {
+      /* Two arguments.  */
+      *space_index = '\0';
+      low = parse_and_eval_address (arg);
+      high = parse_and_eval_address (space_index + 1);
+    }
+
+#if defined(TUI)
+  if (!tui_is_window_visible (DISASSEM_WIN))
+#endif
+    {
+      printf_filtered ("Dump of assembler code ");
+      if (name != NULL)
+	{
+	  printf_filtered ("for function %s:\n", name);
+	}
+      else
+	{
+	  printf_filtered ("from ");
+	  print_address_numeric (low, 1, gdb_stdout);
+	  printf_filtered (" to ");
+	  print_address_numeric (high, 1, gdb_stdout);
+	  printf_filtered (":\n");
+	}
+
+      /* Dump the specified range.  */
+      gdb_disassembly (uiout, 0, 0, 0, -1, low, high);
+
+      printf_filtered ("End of assembler dump.\n");
+      gdb_flush (gdb_stdout);
+    }
+#if defined(TUI)
+  else
+    {
+      tui_show_assembly (low);
+    }
+#endif
+}
+
+static void
+make_command (char *arg, int from_tty)
+{
+  char *p;
+
+  if (arg == 0)
+    p = "make";
+  else
+    {
+      p = xmalloc (sizeof ("make ") + strlen (arg));
+      strcpy (p, "make ");
+      strcpy (p + sizeof ("make ") - 1, arg);
+    }
+
+  shell_escape (p, from_tty);
+}
+
+static void
+show_user (char *args, int from_tty)
+{
+  struct cmd_list_element *c;
+  extern struct cmd_list_element *cmdlist;
+
+  if (args)
+    {
+      c = lookup_cmd (&args, cmdlist, "", 0, 1);
+      if (c->class != class_user)
+	error ("Not a user command.");
+      show_user_1 (c, gdb_stdout);
+    }
+  else
+    {
+      for (c = cmdlist; c; c = c->next)
+	{
+	  if (c->class == class_user)
+	    show_user_1 (c, gdb_stdout);
+	}
+    }
+}
+
+/* Search through names of commands and documentations for a certain
+   regular expression.
+*/
+void 
+apropos_command (char *searchstr, int from_tty)
+{
+  extern struct cmd_list_element *cmdlist; /*This is the main command list*/
+  regex_t pattern;
+  char *pattern_fastmap;
+  char errorbuffer[512];
+  pattern_fastmap = xcalloc (256, sizeof (char));
+  if (searchstr == NULL)
+      error("REGEXP string is empty");
+
+  if (regcomp(&pattern,searchstr,REG_ICASE) == 0)
+    {
+      pattern.fastmap=pattern_fastmap;
+      re_compile_fastmap(&pattern);
+      apropos_cmd (gdb_stdout,cmdlist,&pattern,"");
+    }
+  else
+    {
+      regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512);
+      error("Error in regular expression:%s",errorbuffer);
+    }
+  xfree (pattern_fastmap);
+}
+
+/* Print a list of files and line numbers which a user may choose from
+   in order to list a function which was specified ambiguously (as with
+   `list classname::overloadedfuncname', for example).  The vector in
+   SALS provides the filenames and line numbers.  */
+
+static void
+ambiguous_line_spec (struct symtabs_and_lines *sals)
+{
+  int i;
+
+  for (i = 0; i < sals->nelts; ++i)
+    printf_filtered ("file: \"%s\", line number: %d\n",
+		     sals->sals[i].symtab->filename, sals->sals[i].line);
+}
+
+static void
+set_debug (char *arg, int from_tty)
+{
+  printf_unfiltered ("\"set debug\" must be followed by the name of a print subcommand.\n");
+  help_list (setdebuglist, "set debug ", -1, gdb_stdout);
+}
+
+static void
+show_debug (char *args, int from_tty)
+{
+  cmd_show_list (showdebuglist, from_tty, "");
+}
+
+void
+init_cmd_lists (void)
+{
+  max_user_call_depth = 1024;
+
+  cmdlist = NULL;
+  infolist = NULL;
+  enablelist = NULL;
+  disablelist = NULL;
+  togglelist = NULL;
+  stoplist = NULL;
+  deletelist = NULL;
+  enablebreaklist = NULL;
+  setlist = NULL;
+  unsetlist = NULL;
+  showlist = NULL;
+  sethistlist = NULL;
+  showhistlist = NULL;
+  unsethistlist = NULL;
+  maintenancelist = NULL;
+  maintenanceinfolist = NULL;
+  maintenanceprintlist = NULL;
+  setprintlist = NULL;
+  showprintlist = NULL;
+  setchecklist = NULL;
+  showchecklist = NULL;
+}
+
+
+void
+init_cli_cmds (void)
+{
+  struct cmd_list_element *c;
+
+  /* Define the classes of commands.
+     They will appear in the help list in the reverse of this order.  */
+
+  add_cmd ("internals", class_maintenance, NULL,
+	   "Maintenance commands.\n\
+Some gdb commands are provided just for use by gdb maintainers.\n\
+These commands are subject to frequent change, and may not be as\n\
+well documented as user commands.",
+	   &cmdlist);
+  add_cmd ("obscure", class_obscure, NULL, "Obscure features.", &cmdlist);
+  add_cmd ("aliases", class_alias, NULL, "Aliases of other commands.", &cmdlist);
+  add_cmd ("user-defined", class_user, NULL, "User-defined commands.\n\
+The commands in this class are those defined by the user.\n\
+Use the \"define\" command to define a command.", &cmdlist);
+  add_cmd ("support", class_support, NULL, "Support facilities.", &cmdlist);
+  if (!dbx_commands)
+    add_cmd ("status", class_info, NULL, "Status inquiries.", &cmdlist);
+  add_cmd ("files", class_files, NULL, "Specifying and examining files.", &cmdlist);
+  add_cmd ("breakpoints", class_breakpoint, NULL, "Making program stop at certain points.", &cmdlist);
+  add_cmd ("data", class_vars, NULL, "Examining data.", &cmdlist);
+  add_cmd ("stack", class_stack, NULL, "Examining the stack.\n\
+The stack is made up of stack frames.  Gdb assigns numbers to stack frames\n\
+counting from zero for the innermost (currently executing) frame.\n\n\
+At any time gdb identifies one frame as the \"selected\" frame.\n\
+Variable lookups are done with respect to the selected frame.\n\
+When the program being debugged stops, gdb selects the innermost frame.\n\
+The commands below can be used to select other frames by number or address.",
+	   &cmdlist);
+  add_cmd ("running", class_run, NULL, "Running the program.", &cmdlist);
+
+  /* Define general commands. */
+
+  add_com ("pwd", class_files, pwd_command,
+	"Print working directory.  This is used for your program as well.");
+  c = add_cmd ("cd", class_files, cd_command,
+	       "Set working directory to DIR for debugger and program being debugged.\n\
+The change does not take effect for the program being debugged\n\
+until the next time it is started.", &cmdlist);
+  set_cmd_completer (c, filename_completer);
+
+  add_com ("echo", class_support, echo_command,
+	   "Print a constant string.  Give string as argument.\n\
+C escape sequences may be used in the argument.\n\
+No newline is added at the end of the argument;\n\
+use \"\\n\" if you want a newline to be printed.\n\
+Since leading and trailing whitespace are ignored in command arguments,\n\
+if you want to print some you must use \"\\\" before leading whitespace\n\
+to be printed or after trailing whitespace.");
+  add_com ("document", class_support, document_command,
+	   "Document a user-defined command.\n\
+Give command name as argument.  Give documentation on following lines.\n\
+End with a line of just \"end\".");
+  add_com ("define", class_support, define_command,
+	   "Define a new command name.  Command name is argument.\n\
+Definition appears on following lines, one command per line.\n\
+End with a line of just \"end\".\n\
+Use the \"document\" command to give documentation for the new command.\n\
+Commands defined in this way may have up to ten arguments.");
+
+  c = add_cmd ("source", class_support, source_command,
+	       "Read commands from a file named FILE.\n\
+Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\
+when gdb is started.", &cmdlist);
+  set_cmd_completer (c, filename_completer);
+
+  add_com ("quit", class_support, quit_command, "Exit gdb.");
+  c = add_com ("help", class_support, help_command, "Print list of commands.");
+  set_cmd_completer (c, command_completer);
+  add_com_alias ("q", "quit", class_support, 1);
+  add_com_alias ("h", "help", class_support, 1);
+
+  c = add_set_cmd ("verbose", class_support, var_boolean, (char *) &info_verbose,
+		   "Set ",
+		   &setlist),
+    add_show_from_set (c, &showlist);
+  set_cmd_sfunc (c, set_verbose);
+  set_verbose (NULL, 0, c);
+
+  add_prefix_cmd ("history", class_support, set_history,
+		  "Generic command for setting command history parameters.",
+		  &sethistlist, "set history ", 0, &setlist);
+  add_prefix_cmd ("history", class_support, show_history,
+		  "Generic command for showing command history parameters.",
+		  &showhistlist, "show history ", 0, &showlist);
+
+  add_show_from_set
+    (add_set_cmd ("expansion", no_class, var_boolean, (char *) &history_expansion_p,
+		  "Set history expansion on command input.\n\
+Without an argument, history expansion is enabled.", &sethistlist),
+     &showhistlist);
+
+  add_prefix_cmd ("info", class_info, info_command,
+     "Generic command for showing things about the program being debugged.",
+		  &infolist, "info ", 0, &cmdlist);
+  add_com_alias ("i", "info", class_info, 1);
+
+  add_com ("complete", class_obscure, complete_command,
+	   "List the completions for the rest of the line as a command.");
+
+  add_prefix_cmd ("show", class_info, show_command,
+		  "Generic command for showing things about the debugger.",
+		  &showlist, "show ", 0, &cmdlist);
+  /* Another way to get at the same thing.  */
+  add_info ("set", show_command, "Show all GDB settings.");
+
+  add_cmd ("commands", no_class, show_commands,
+	   "Show the history of commands you typed.\n\
+You can supply a command number to start with, or a `+' to start after\n\
+the previous command number shown.",
+	   &showlist);
+
+  add_cmd ("version", no_class, show_version,
+	   "Show what version of GDB this is.", &showlist);
+
+  add_com ("while", class_support, while_command,
+	   "Execute nested commands WHILE the conditional expression is non zero.\n\
+The conditional expression must follow the word `while' and must in turn be\n\
+followed by a new line.  The nested commands must be entered one per line,\n\
+and should be terminated by the word `end'.");
+
+  add_com ("if", class_support, if_command,
+	   "Execute nested commands once IF the conditional expression is non zero.\n\
+The conditional expression must follow the word `if' and must in turn be\n\
+followed by a new line.  The nested commands must be entered one per line,\n\
+and should be terminated by the word 'else' or `end'.  If an else clause\n\
+is used, the same rules apply to its nested commands as to the first ones.");
+
+  /* If target is open when baud changes, it doesn't take effect until the
+     next open (I think, not sure).  */
+  add_show_from_set (add_set_cmd ("remotebaud", no_class,
+				  var_zinteger, (char *) &baud_rate,
+				  "Set baud rate for remote serial I/O.\n\
+This value is used to set the speed of the serial port when debugging\n\
+using remote targets.", &setlist),
+		     &showlist);
+
+  c = add_set_cmd ("remotedebug", no_class, var_zinteger,
+		   (char *) &remote_debug,
+		   "Set debugging of remote protocol.\n\
+When enabled, each packet sent or received with the remote target\n\
+is displayed.", &setlist);
+  deprecate_cmd (c, "set debug remote");
+  deprecate_cmd (add_show_from_set (c, &showlist), "show debug remote");
+
+  add_show_from_set (add_set_cmd ("remote", no_class, var_zinteger,
+				  (char *) &remote_debug,
+				  "Set debugging of remote protocol.\n\
+When enabled, each packet sent or received with the remote target\n\
+is displayed.", &setdebuglist),
+		     &showdebuglist);
+
+  add_show_from_set (
+		      add_set_cmd ("remotetimeout", no_class, var_integer, (char *) &remote_timeout,
+				   "Set timeout limit to wait for target to respond.\n\
+This value is used to set the time limit for gdb to wait for a response\n\
+from the target.", &setlist),
+		      &showlist);
+
+  add_prefix_cmd ("debug", no_class, set_debug,
+		  "Generic command for setting gdb debugging flags",
+		  &setdebuglist, "set debug ", 0, &setlist);
+
+  add_prefix_cmd ("debug", no_class, show_debug,
+		  "Generic command for showing gdb debugging flags",
+		  &showdebuglist, "show debug ", 0, &showlist);
+
+  c = add_com ("shell", class_support, shell_escape,
+	       "Execute the rest of the line as a shell command.\n\
+With no arguments, run an inferior shell.");
+  set_cmd_completer (c, filename_completer);
+
+  c = add_com ("edit", class_files, edit_command,
+           concat ("Edit specified file or function.\n\
+With no argument, edits file containing most recent line listed.\n\
+", "\
+Editing targets can be specified in these ways:\n\
+  FILE:LINENUM, to edit at that line in that file,\n\
+  FUNCTION, to edit at the beginning of that function,\n\
+  FILE:FUNCTION, to distinguish among like-named static functions.\n\
+  *ADDRESS, to edit at the line containing that address.\n\
+Uses EDITOR environment variable contents as editor (or ex as default).",NULL));
+
+  c->completer = location_completer;
+
+  add_com ("list", class_files, list_command,
+	   concat ("List specified function or line.\n\
+With no argument, lists ten more lines after or around previous listing.\n\
+\"list -\" lists the ten lines before a previous ten-line listing.\n\
+One argument specifies a line, and ten lines are listed around that line.\n\
+Two arguments with comma between specify starting and ending lines to list.\n\
+", "\
+Lines can be specified in these ways:\n\
+  LINENUM, to list around that line in current file,\n\
+  FILE:LINENUM, to list around that line in that file,\n\
+  FUNCTION, to list around beginning of that function,\n\
+  FILE:FUNCTION, to distinguish among like-named static functions.\n\
+  *ADDRESS, to list around the line containing that address.\n\
+With two args if one is empty it stands for ten lines away from the other arg.", NULL));
+
+  if (!xdb_commands)
+    add_com_alias ("l", "list", class_files, 1);
+  else
+    add_com_alias ("v", "list", class_files, 1);
+
+  if (dbx_commands)
+    add_com_alias ("file", "list", class_files, 1);
+
+  c = add_com ("disassemble", class_vars, disassemble_command,
+	       "Disassemble a specified section of memory.\n\
+Default is the function surrounding the pc of the selected frame.\n\
+With a single argument, the function surrounding that address is dumped.\n\
+Two arguments are taken as a range of memory to dump.");
+  set_cmd_completer (c, location_completer);
+  if (xdb_commands)
+    add_com_alias ("va", "disassemble", class_xdb, 0);
+
+  /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would
+     be a really useful feature.  Unfortunately, the below wont do
+     this.  Instead it adds support for the form ``(gdb) ! ls''
+     (i.e. the space is required).  If the ``!'' command below is
+     added the complains about no ``!'' command would be replaced by
+     complains about how the ``!'' command is broken :-) */
+  if (xdb_commands)
+    add_com_alias ("!", "shell", class_support, 0);
+
+  c = add_com ("make", class_support, make_command,
+          "Run the ``make'' program using the rest of the line as arguments.");
+  set_cmd_completer (c, filename_completer);
+  add_cmd ("user", no_class, show_user,
+	   "Show definitions of user defined commands.\n\
+Argument is the name of the user defined command.\n\
+With no argument, show definitions of all user defined commands.", &showlist);
+  add_com ("apropos", class_support, apropos_command, "Search for commands matching a REGEXP");
+
+  add_show_from_set (
+		      add_set_cmd ("max-user-call-depth", no_class, var_integer, 
+				   (char *) &max_user_call_depth,
+				   "Set the max call depth for user-defined commands.\n", 
+				   &setlist),
+		      &showlist);
+}