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- /* Basic definitions for GDB, the GNU debugger.
- Copyright (C) 1986, 1989 Free Software Foundation, Inc.
-
- This file is part of GDB.
-
- GDB 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 1, or (at your option)
- any later version.
-
- GDB 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 GDB; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #define CORE_ADDR unsigned int
-
- #define min(a, b) ((a) < (b) ? (a) : (b))
- #define max(a, b) ((a) > (b) ? (a) : (b))
-
- extern char *savestring ();
- extern char *concat ();
- extern char *xmalloc (), *xrealloc ();
- extern int parse_escape ();
- extern char *reg_names[];
-
- /* Various possibilities for alloca. */
- #ifdef __GNUC__
- #define alloca __builtin_alloca
- #else
- #ifdef sparc
- #include <alloca.h>
- #else
- extern char *alloca ();
- #endif
- #endif
-
- extern int quit_flag;
-
- extern int immediate_quit;
-
- #define QUIT { if (quit_flag) quit (); }
-
- /* Notes on classes: class_alias is for alias commands which are not
- abbreviations of the original command. */
-
- enum command_class
- {
- no_class = -1, class_run = 0, class_vars, class_stack,
- class_files, class_support, class_info, class_breakpoint,
- class_alias, class_obscure, class_user,
- };
-
- /* the cleanup list records things that have to be undone
- if an error happens (descriptors to be closed, memory to be freed, etc.)
- Each link in the chain records a function to call and an
- argument to give it.
-
- Use make_cleanup to add an element to the cleanup chain.
- Use do_cleanups to do all cleanup actions back to a given
- point in the chain. Use discard_cleanups to remove cleanups
- from the chain back to a given point, not doing them. */
-
- struct cleanup
- {
- struct cleanup *next;
- void (*function) ();
- int arg;
- };
-
- extern void do_cleanups ();
- extern void discard_cleanups ();
- extern struct cleanup *make_cleanup ();
- extern struct cleanup *save_cleanups ();
- extern void restore_cleanups ();
- extern void free_current_contents ();
- extern void reinitialize_more_filter ();
- extern void fputs_filtered ();
- extern void fprintf_filtered ();
- extern void printf_filtered ();
- extern void print_spaces_filtered ();
- extern char *tilde_expand ();
-
- /* Structure for saved commands lines
- (for breakpoints, defined commands, etc). */
-
- struct command_line
- {
- struct command_line *next;
- char *line;
- };
-
- struct command_line *read_command_lines ();
-
- /* String containing the current directory (what getwd would return). */
-
- char *current_directory;
-
-