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.
41 # define const __const__
42 # define volatile __volatile__
44 # define const /*nothing*/
45 # define volatile /*nothing*/
49 extern char *savestring ();
50 extern char *strsave ();
51 extern char *concat ();
53 extern void *xmalloc (), *xrealloc ();
55 extern char *xmalloc (), *xrealloc ();
58 extern int parse_escape ();
59 extern char *reg_names
[];
60 /* Indicate that these routines do not return to the caller. */
61 extern volatile void error(), fatal();
63 /* Various possibilities for alloca. */
65 # define alloca __builtin_alloca
70 extern char *alloca ();
73 extern int errno
; /* System call error return status */
76 extern int immediate_quit
;
79 #define QUIT { if (quit_flag) quit (); }
81 /* Notes on classes: class_alias is for alias commands which are not
82 abbreviations of the original command. */
86 /* Special args to help_list */
87 all_classes
= -2, all_commands
= -1,
88 /* Classes of commands */
89 no_class
= -1, class_run
= 0, class_vars
, class_stack
,
90 class_files
, class_support
, class_info
, class_breakpoint
,
91 class_alias
, class_obscure
, class_user
94 /* the cleanup list records things that have to be undone
95 if an error happens (descriptors to be closed, memory to be freed, etc.)
96 Each link in the chain records a function to call and an
99 Use make_cleanup to add an element to the cleanup chain.
100 Use do_cleanups to do all cleanup actions back to a given
101 point in the chain. Use discard_cleanups to remove cleanups
102 from the chain back to a given point, not doing them. */
106 struct cleanup
*next
;
112 extern void do_cleanups ();
113 extern void discard_cleanups ();
114 extern struct cleanup
*make_cleanup ();
115 extern struct cleanup
*save_cleanups ();
116 extern void restore_cleanups ();
117 extern void free_current_contents ();
118 extern int myread ();
120 extern int lines_to_list ();
121 extern void wrap_here (
126 extern void reinitialize_more_filter ();
127 extern void fputs_filtered ();
128 extern void puts_filtered ();
129 extern void fprintf_filtered ();
130 extern void printf_filtered ();
131 extern void print_spaces ();
132 extern void print_spaces_filtered ();
133 extern char *n_spaces ();
134 extern void printchar ();
135 extern void fprint_symbol ();
136 extern void fputs_demangled ();
137 extern void perror_with_name ();
138 extern void print_sys_errmsg ();
140 /* From printcmd.c */
141 extern void print_address_symbolic ();
142 extern void print_address ();
151 /* From readline (but not in any readline .h files). */
152 extern char *tilde_expand ();
154 /* Structure for saved commands lines
155 (for breakpoints, defined commands, etc). */
159 struct command_line
*next
;
163 extern struct command_line
*read_command_lines ();
164 extern void free_command_lines ();
166 /* String containing the current directory (what getwd would return). */
168 char *current_directory
;
170 /* Default radixes for input and output. Only some values supported. */
171 extern unsigned input_radix
;
172 extern unsigned output_radix
;
174 /* Baud rate specified for communication with serial target systems. */
177 #if !defined (UINT_MAX)
178 #define UINT_MAX 0xffffffff
181 #if !defined (LONG_MAX)
182 #define LONG_MAX 0x7fffffff
185 #if !defined (INT_MAX)
186 #define INT_MAX 0x7fffffff
189 #if !defined (INT_MIN)
190 /* Two's complement, 32 bit. */
191 #define INT_MIN -0x80000000
194 /* Just like CHAR_BIT in <limits.h> but describes the target machine. */
195 #if !defined (TARGET_CHAR_BIT)
196 #define TARGET_CHAR_BIT 8
199 /* Number of bits in a long long or unsigned long long
200 for the target machine. */
201 #if !defined (TARGET_LONG_LONG_BIT)
202 #define TARGET_LONG_LONG_BIT 64
205 /* Convert a LONGEST to an int. This is used in contexts (e.g. number
206 of arguments to a function, number in a value history, register
207 number, etc.) where the value must not be larger than can fit
209 #if !defined (longest_to_int)
210 #if defined (LONG_LONG)
211 #define longest_to_int(x) (((x) > INT_MAX || (x) < INT_MIN) \
212 ? error ("Value out of range.") : (int) (x))
213 #else /* No LONG_LONG. */
214 /* Assume sizeof (int) == sizeof (long). */
215 #define longest_to_int(x) ((int) (x))
216 #endif /* No LONG_LONG. */
217 #endif /* No longest_to_int. */
219 #endif /* no DEFS_H */
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