1 /* Basic definitions for GDB, the GNU debugger.
2 Copyright (C) 1986, 1989, 1991 Free Software Foundation, Inc.
4 This file is part of GDB.
6 GDB is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 1, or (at your option)
11 GDB is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GDB; see the file COPYING. If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
23 /* An address in the program being debugged. Host byte order. */
24 typedef unsigned int CORE_ADDR;
26 #define min(a, b) ((a) < (b) ? (a) : (b))
27 #define max(a, b) ((a) > (b) ? (a) : (b))
29 /* The character C++ uses to build identifiers that must be unique from
30 the program's identifiers (such as $this and $$vptr). */
31 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
34 * Allow things in gdb to be declared "const". If compiling ANSI, it
35 * just works. If compiling with gcc but non-ansi, redefine to __const__.
36 * If non-ansi, non-gcc, then eliminate "const" entirely, making those
37 * objects be read-write rather than read-only.
42 # define const __const__
44 # define const /*nothing*/
52 # define volatile __volatile__
54 # define volatile /*nothing*/
59 extern char *savestring ();
60 extern char *strsave ();
61 extern char *concat ();
63 extern void *xmalloc (), *xrealloc ();
65 extern char *xmalloc (), *xrealloc ();
68 extern int parse_escape ();
69 extern char *reg_names[];
70 /* Indicate that these routines do not return to the caller. */
71 extern volatile void error(), fatal();
73 /* Various possibilities for alloca. */
76 # define alloca __builtin_alloca
81 extern char *alloca ();
85 extern int errno; /* System call error return status */
88 extern int immediate_quit;
91 #define QUIT { if (quit_flag) quit (); }
93 /* Notes on classes: class_alias is for alias commands which are not
94 abbreviations of the original command. */
98 /* Special args to help_list */
99 all_classes = -2, all_commands = -1,
100 /* Classes of commands */
101 no_class = -1, class_run = 0, class_vars, class_stack,
102 class_files, class_support, class_info, class_breakpoint,
103 class_alias, class_obscure, class_user
106 /* the cleanup list records things that have to be undone
107 if an error happens (descriptors to be closed, memory to be freed, etc.)
108 Each link in the chain records a function to call and an
111 Use make_cleanup to add an element to the cleanup chain.
112 Use do_cleanups to do all cleanup actions back to a given
113 point in the chain. Use discard_cleanups to remove cleanups
114 from the chain back to a given point, not doing them. */
118 struct cleanup *next;
124 extern void do_cleanups ();
125 extern void discard_cleanups ();
126 extern struct cleanup *make_cleanup ();
127 extern struct cleanup *save_cleanups ();
128 extern void restore_cleanups ();
129 extern void free_current_contents ();
130 extern int myread ();
132 extern int lines_to_list ();
133 extern void wrap_here (
138 extern void reinitialize_more_filter ();
139 extern void fputs_filtered ();
140 extern void puts_filtered ();
141 extern void fprintf_filtered ();
142 extern void printf_filtered ();
143 extern void print_spaces ();
144 extern void print_spaces_filtered ();
145 extern char *n_spaces ();
146 extern void printchar ();
147 extern void fprint_symbol ();
148 extern void fputs_demangled ();
149 extern void perror_with_name ();
150 extern void print_sys_errmsg ();
152 /* From printcmd.c */
153 extern void print_address_symbolic ();
154 extern void print_address ();
163 /* From readline (but not in any readline .h files). */
164 extern char *tilde_expand ();
166 /* Structure for saved commands lines
167 (for breakpoints, defined commands, etc). */
171 struct command_line *next;
175 extern struct command_line *read_command_lines ();
176 extern void free_command_lines ();
178 /* String containing the current directory (what getwd would return). */
180 char *current_directory;
182 /* Default radixes for input and output. Only some values supported. */
183 extern unsigned input_radix;
184 extern unsigned output_radix;
186 /* Baud rate specified for communication with serial target systems. */
189 #if !defined (UINT_MAX)
190 #define UINT_MAX 0xffffffff
193 #if !defined (LONG_MAX)
194 #define LONG_MAX 0x7fffffff
197 #if !defined (INT_MAX)
198 #define INT_MAX 0x7fffffff
201 #if !defined (INT_MIN)
202 /* Two's complement, 32 bit. */
203 #define INT_MIN -0x80000000
206 /* Just like CHAR_BIT in <limits.h> but describes the target machine. */
207 #if !defined (TARGET_CHAR_BIT)
208 #define TARGET_CHAR_BIT 8
211 /* Number of bits in a long long or unsigned long long
212 for the target machine. */
213 #if !defined (TARGET_LONG_LONG_BIT)
214 #define TARGET_LONG_LONG_BIT 64
217 /* Convert a LONGEST to an int. This is used in contexts (e.g. number
218 of arguments to a function, number in a value history, register
219 number, etc.) where the value must not be larger than can fit
221 #if !defined (longest_to_int)
222 #if defined (LONG_LONG)
223 #define longest_to_int(x) (((x) > INT_MAX || (x) < INT_MIN) \
224 ? error ("Value out of range.") : (int) (x))
225 #else /* No LONG_LONG. */
226 /* Assume sizeof (int) == sizeof (long). */
227 #define longest_to_int(x) ((int) (x))
228 #endif /* No LONG_LONG. */
229 #endif /* No longest_to_int. */
231 #endif /* no DEFS_H */