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- /* Basic definitions for GDB, the GNU debugger.
- Copyright (C) 1986 Free Software Foundation, Inc.
-
- GDB is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY. No author or distributor accepts responsibility to anyone
- for the consequences of using it or for whether it serves any
- particular purpose or works at all, unless he says so in writing.
- Refer to the GDB General Public License for full details.
-
- Everyone is granted permission to copy, modify and redistribute GDB,
- but only under the conditions described in the GDB General Public
- License. A copy of this license is supposed to have been given to you
- along with GDB so you can know your rights and responsibilities. It
- should be in a file named COPYING. Among other things, the copyright
- notice and this notice must be preserved on all copies.
-
- In other words, go ahead and share GDB, but don't try to stop
- anyone else from sharing it farther. Help stamp out software hoarding!
- */
-
- /* Various possibilities for alloca. */
- #ifdef __GNUC__
- #define alloca __builtin_alloca
- #else
- #ifdef sparc
- #include <alloca.h>
- #else
- extern char *alloca ();
- #endif
- #endif
-
- #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[];
-
- extern int quit_flag;
-
- extern int immediate_quit;
-
- #define QUIT { if (quit_flag) quit (); }
-
- 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 void free_current_contents ();
-
- /* 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;
-