Commit | Line | Data |
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7d9884b9 | 1 | /* Basic, host-specific, and target-specific definitions for GDB. |
16041d53 | 2 | Copyright (C) 1986, 1989, 1991, 1992, 1993, 1994, 1995 |
6f54efdc | 3 | Free Software Foundation, Inc. |
bd5635a1 RP |
4 | |
5 | This file is part of GDB. | |
6 | ||
a10c0d36 | 7 | This program is free software; you can redistribute it and/or modify |
bd5635a1 | 8 | it under the terms of the GNU General Public License as published by |
a10c0d36 JG |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. | |
bd5635a1 | 11 | |
a10c0d36 | 12 | This program is distributed in the hope that it will be useful, |
bd5635a1 RP |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a10c0d36 JG |
18 | along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
bd5635a1 | 20 | |
09722039 SG |
21 | #ifndef DEFS_H |
22 | #define DEFS_H | |
d747e0af MT |
23 | |
24 | #include <stdio.h> | |
25 | ||
26 | /* First include ansidecl.h so we can use the various macro definitions | |
debd3443 | 27 | here and in all subsequent file inclusions. */ |
d747e0af MT |
28 | |
29 | #include "ansidecl.h" | |
30 | ||
45993f61 SC |
31 | #ifdef ANSI_PROTOTYPES |
32 | #include <stdarg.h> | |
33 | #else | |
34 | #include <varargs.h> | |
35 | #endif | |
36 | ||
97e7b66f DE |
37 | #include "libiberty.h" |
38 | ||
39 | /* libiberty.h can't declare this one, but evidently we can. */ | |
40 | extern char *strsignal PARAMS ((int)); | |
41 | ||
c023fbf4 KH |
42 | #include "progress.h" |
43 | ||
86db943c SG |
44 | #include "mmalloc.h" |
45 | ||
7343d716 JK |
46 | /* For BFD64 and bfd_vma. */ |
47 | #include "bfd.h" | |
48 | ||
49 | /* An address in the program being debugged. Host byte order. Rather | |
50 | than duplicate all the logic in BFD which figures out what type | |
51 | this is (long, long long, etc.) and whether it needs to be 64 | |
52 | bits (the host/target interactions are subtle), we just use | |
53 | bfd_vma. */ | |
54 | ||
55 | typedef bfd_vma CORE_ADDR; | |
bd5635a1 RP |
56 | |
57 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
58 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
59 | ||
2e4964ad FF |
60 | /* Gdb does *lots* of string compares. Use macros to speed them up by |
61 | avoiding function calls if the first characters are not the same. */ | |
62 | ||
bd5d07d9 | 63 | #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b)) |
2e4964ad FF |
64 | #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0) |
65 | #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0) | |
66 | ||
dd577ca5 | 67 | /* The character GNU C++ uses to build identifiers that must be unique from |
bd5635a1 RP |
68 | the program's identifiers (such as $this and $$vptr). */ |
69 | #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */ | |
70 | ||
e146177e | 71 | #include <errno.h> /* System call error return status */ |
bd5635a1 RP |
72 | |
73 | extern int quit_flag; | |
74 | extern int immediate_quit; | |
51b80b00 | 75 | extern int sevenbit_strings; |
d747e0af | 76 | |
6f54efdc | 77 | extern void quit PARAMS ((void)); |
bd5635a1 | 78 | |
c023fbf4 KH |
79 | #define QUIT { \ |
80 | if (quit_flag) quit (); \ | |
81 | if (interactive_hook) interactive_hook (); \ | |
82 | PROGRESS (1); \ | |
83 | } | |
bd5635a1 | 84 | |
e58de8a2 FF |
85 | /* Command classes are top-level categories into which commands are broken |
86 | down for "help" purposes. | |
87 | Notes on classes: class_alias is for alias commands which are not | |
88 | abbreviations of the original command. class-pseudo is for commands | |
89 | which are not really commands nor help topics ("stop"). */ | |
bd5635a1 RP |
90 | |
91 | enum command_class | |
92 | { | |
93 | /* Special args to help_list */ | |
94 | all_classes = -2, all_commands = -1, | |
95 | /* Classes of commands */ | |
96 | no_class = -1, class_run = 0, class_vars, class_stack, | |
97 | class_files, class_support, class_info, class_breakpoint, | |
e58de8a2 FF |
98 | class_alias, class_obscure, class_user, class_maintenance, |
99 | class_pseudo | |
bd5635a1 RP |
100 | }; |
101 | ||
bd5d07d9 FF |
102 | /* Languages represented in the symbol table and elsewhere. |
103 | This should probably be in language.h, but since enum's can't | |
104 | be forward declared to satisfy opaque references before their | |
105 | actual definition, needs to be here. */ | |
106 | ||
107 | enum language | |
108 | { | |
109 | language_unknown, /* Language not known */ | |
110 | language_auto, /* Placeholder for automatic setting */ | |
111 | language_c, /* C */ | |
112 | language_cplus, /* C++ */ | |
bd5d07d9 | 113 | language_chill, /* Chill */ |
e52bfe0c | 114 | language_fortran, /* Fortran */ |
754e5da2 SG |
115 | language_m2, /* Modula-2 */ |
116 | language_asm /* Assembly language */ | |
bd5d07d9 FF |
117 | }; |
118 | ||
bd5635a1 RP |
119 | /* the cleanup list records things that have to be undone |
120 | if an error happens (descriptors to be closed, memory to be freed, etc.) | |
121 | Each link in the chain records a function to call and an | |
122 | argument to give it. | |
123 | ||
124 | Use make_cleanup to add an element to the cleanup chain. | |
125 | Use do_cleanups to do all cleanup actions back to a given | |
126 | point in the chain. Use discard_cleanups to remove cleanups | |
127 | from the chain back to a given point, not doing them. */ | |
128 | ||
129 | struct cleanup | |
130 | { | |
131 | struct cleanup *next; | |
d747e0af MT |
132 | void (*function) PARAMS ((PTR)); |
133 | PTR arg; | |
bd5635a1 RP |
134 | }; |
135 | ||
413cba82 JL |
136 | |
137 | /* The ability to declare that a function never returns is useful, but | |
138 | not really required to compile GDB successfully, so the NORETURN and | |
139 | ATTR_NORETURN macros normally expand into nothing. */ | |
140 | ||
141 | /* If compiling with older versions of GCC, a function may be declared | |
142 | "volatile" to indicate that it does not return. */ | |
143 | ||
144 | #ifndef NORETURN | |
145 | # if defined(__GNUC__) \ | |
146 | && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)) | |
147 | # define NORETURN volatile | |
148 | # else | |
149 | # define NORETURN /* nothing */ | |
150 | # endif | |
151 | #endif | |
152 | ||
153 | /* GCC 2.5 and later versions define a function attribute "noreturn", | |
154 | which is the preferred way to declare that a function never returns. */ | |
155 | ||
156 | #ifndef ATTR_NORETURN | |
157 | # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 5 | |
158 | # define ATTR_NORETURN __attribute__ ((noreturn)) | |
159 | # else | |
160 | # define ATTR_NORETURN /* nothing */ | |
161 | # endif | |
162 | #endif | |
163 | ||
164 | #ifndef ATTR_FORMAT | |
165 | # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 | |
166 | # define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y))) | |
167 | # else | |
168 | # define ATTR_FORMAT(type, x, y) /* nothing */ | |
169 | # endif | |
170 | #endif | |
171 | ||
637b1661 SG |
172 | /* Needed for various prototypes */ |
173 | ||
174 | #ifdef __STDC__ | |
175 | struct symtab; | |
176 | struct breakpoint; | |
177 | #endif | |
178 | ||
d747e0af MT |
179 | /* From blockframe.c */ |
180 | ||
6f54efdc | 181 | extern int inside_entry_func PARAMS ((CORE_ADDR)); |
d747e0af | 182 | |
6f54efdc | 183 | extern int inside_entry_file PARAMS ((CORE_ADDR addr)); |
d747e0af | 184 | |
6f54efdc | 185 | extern int inside_main_func PARAMS ((CORE_ADDR pc)); |
d747e0af | 186 | |
7532cf10 FF |
187 | /* From ch-lang.c, for the moment. (FIXME) */ |
188 | ||
6f54efdc | 189 | extern char *chill_demangle PARAMS ((const char *)); |
7532cf10 | 190 | |
d747e0af MT |
191 | /* From utils.c */ |
192 | ||
6f54efdc | 193 | extern int strcmp_iw PARAMS ((const char *, const char *)); |
d630b615 | 194 | |
6f54efdc | 195 | extern char *safe_strerror PARAMS ((int)); |
e146177e | 196 | |
6f54efdc | 197 | extern char *safe_strsignal PARAMS ((int)); |
e146177e | 198 | |
6f54efdc | 199 | extern void init_malloc PARAMS ((void *)); |
d747e0af | 200 | |
6f54efdc | 201 | extern void request_quit PARAMS ((int)); |
d747e0af | 202 | |
6f54efdc | 203 | extern void do_cleanups PARAMS ((struct cleanup *)); |
d747e0af | 204 | |
6f54efdc | 205 | extern void discard_cleanups PARAMS ((struct cleanup *)); |
d747e0af MT |
206 | |
207 | /* The bare make_cleanup function is one of those rare beasts that | |
208 | takes almost any type of function as the first arg and anything that | |
209 | will fit in a "void *" as the second arg. | |
210 | ||
211 | Should be, once all calls and called-functions are cleaned up: | |
212 | extern struct cleanup * | |
84d59861 | 213 | make_cleanup PARAMS ((void (*function) (void *), void *)); |
d747e0af MT |
214 | |
215 | Until then, lint and/or various type-checking compiler options will | |
216 | complain about make_cleanup calls. It'd be wrong to just cast things, | |
217 | since the type actually passed when the function is called would be | |
218 | wrong. */ | |
219 | ||
6f54efdc | 220 | extern struct cleanup *make_cleanup (); |
d747e0af | 221 | |
6f54efdc | 222 | extern struct cleanup *save_cleanups PARAMS ((void)); |
d747e0af | 223 | |
6f54efdc | 224 | extern void restore_cleanups PARAMS ((struct cleanup *)); |
d747e0af | 225 | |
6f54efdc | 226 | extern void free_current_contents PARAMS ((char **)); |
d747e0af | 227 | |
6f54efdc | 228 | extern void null_cleanup PARAMS ((char **)); |
d747e0af | 229 | |
6f54efdc | 230 | extern int myread PARAMS ((int, char *, int)); |
d747e0af | 231 | |
413cba82 JL |
232 | extern int query PARAMS((char *, ...)) |
233 | ATTR_FORMAT(printf, 1, 2); | |
6c803036 | 234 | \f |
96f7edbd JK |
235 | /* Annotation stuff. */ |
236 | ||
6c803036 JK |
237 | extern int annotation_level; /* in stack.c */ |
238 | \f | |
6f54efdc | 239 | extern void begin_line PARAMS ((void)); |
51b80b00 | 240 | |
6f54efdc | 241 | extern void wrap_here PARAMS ((char *)); |
d747e0af | 242 | |
6f54efdc | 243 | extern void reinitialize_more_filter PARAMS ((void)); |
d747e0af | 244 | |
04f566a3 JK |
245 | typedef FILE GDB_FILE; |
246 | #define gdb_stdout stdout | |
247 | #define gdb_stderr stderr | |
248 | ||
6f54efdc | 249 | extern void gdb_flush PARAMS ((GDB_FILE *)); |
04f566a3 | 250 | |
6f54efdc | 251 | extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode)); |
04f566a3 | 252 | |
6f54efdc | 253 | extern void fputs_filtered PARAMS ((const char *, GDB_FILE *)); |
04f566a3 | 254 | |
6f54efdc | 255 | extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *)); |
d747e0af | 256 | |
8989d4fc | 257 | extern int fputc_unfiltered PARAMS ((int c, GDB_FILE *)); |
04f566a3 | 258 | |
8989d4fc | 259 | extern int putchar_unfiltered PARAMS ((int c)); |
d747e0af | 260 | |
6f54efdc | 261 | extern void puts_filtered PARAMS ((char *)); |
d747e0af | 262 | |
6f54efdc | 263 | extern void puts_unfiltered PARAMS ((char *)); |
04f566a3 | 264 | |
45993f61 | 265 | extern void vprintf_filtered PARAMS ((char *, va_list)) |
413cba82 | 266 | ATTR_FORMAT(printf, 1, 0); |
51b80b00 | 267 | |
45993f61 | 268 | extern void vfprintf_filtered PARAMS ((FILE *, char *, va_list)) |
413cba82 | 269 | ATTR_FORMAT(printf, 2, 0); |
a8e033f2 | 270 | |
413cba82 JL |
271 | extern void fprintf_filtered PARAMS ((FILE *, char *, ...)) |
272 | ATTR_FORMAT(printf, 2, 3); | |
d747e0af | 273 | |
413cba82 JL |
274 | extern void fprintfi_filtered PARAMS ((int, FILE *, char *, ...)) |
275 | ATTR_FORMAT(printf, 3, 4); | |
a8e033f2 | 276 | |
413cba82 JL |
277 | extern void printf_filtered PARAMS ((char *, ...)) |
278 | ATTR_FORMAT(printf, 1, 2); | |
d747e0af | 279 | |
413cba82 JL |
280 | extern void printfi_filtered PARAMS ((int, char *, ...)) |
281 | ATTR_FORMAT(printf, 2, 3); | |
a8e033f2 | 282 | |
45993f61 | 283 | extern void vprintf_unfiltered PARAMS ((char *, va_list)) |
413cba82 | 284 | ATTR_FORMAT(printf, 1, 0); |
04f566a3 | 285 | |
45993f61 | 286 | extern void vfprintf_unfiltered PARAMS ((FILE *, char *, va_list)) |
413cba82 | 287 | ATTR_FORMAT(printf, 2, 0); |
04f566a3 | 288 | |
413cba82 JL |
289 | extern void fprintf_unfiltered PARAMS ((FILE *, char *, ...)) |
290 | ATTR_FORMAT(printf, 2, 3); | |
d747e0af | 291 | |
413cba82 JL |
292 | extern void printf_unfiltered PARAMS ((char *, ...)) |
293 | ATTR_FORMAT(printf, 1, 2); | |
04f566a3 | 294 | |
6f54efdc | 295 | extern void print_spaces PARAMS ((int, GDB_FILE *)); |
04f566a3 | 296 | |
6f54efdc | 297 | extern void print_spaces_filtered PARAMS ((int, GDB_FILE *)); |
d747e0af | 298 | |
6f54efdc | 299 | extern char *n_spaces PARAMS ((int)); |
d747e0af | 300 | |
6f54efdc | 301 | extern void gdb_printchar PARAMS ((int, GDB_FILE *, int)); |
d747e0af | 302 | |
833e0d94 JK |
303 | extern void gdb_print_address PARAMS ((void *, GDB_FILE *)); |
304 | ||
6f54efdc SS |
305 | extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *, |
306 | enum language, int)); | |
d747e0af | 307 | |
6f54efdc | 308 | extern void perror_with_name PARAMS ((char *)); |
d747e0af | 309 | |
6f54efdc | 310 | extern void print_sys_errmsg PARAMS ((char *, int)); |
d747e0af | 311 | |
1bef45ea JK |
312 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as |
313 | "const char *" in unistd.h, so we can't declare the argument | |
314 | as "char *". */ | |
d747e0af | 315 | |
6f54efdc | 316 | extern char *re_comp PARAMS ((const char *)); |
d747e0af MT |
317 | |
318 | /* From symfile.c */ | |
319 | ||
6f54efdc | 320 | extern void symbol_file_command PARAMS ((char *, int)); |
d747e0af | 321 | |
eba08643 | 322 | /* From top.c */ |
d747e0af | 323 | |
6f54efdc | 324 | extern char *skip_quoted PARAMS ((char *)); |
d630b615 | 325 | |
6f54efdc | 326 | extern char *gdb_readline PARAMS ((char *)); |
d747e0af | 327 | |
6f54efdc | 328 | extern char *command_line_input PARAMS ((char *, int, char *)); |
d747e0af | 329 | |
6f54efdc | 330 | extern void print_prompt PARAMS ((void)); |
d747e0af | 331 | |
6f54efdc | 332 | extern int input_from_terminal_p PARAMS ((void)); |
d747e0af | 333 | |
eba08643 C |
334 | extern int info_verbose; |
335 | ||
bd5635a1 | 336 | /* From printcmd.c */ |
d747e0af | 337 | |
6f54efdc | 338 | extern void set_next_address PARAMS ((CORE_ADDR)); |
d747e0af | 339 | |
6f54efdc SS |
340 | extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int, |
341 | char *)); | |
d747e0af | 342 | |
6f54efdc | 343 | extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *)); |
833e0d94 | 344 | |
6f54efdc | 345 | extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *)); |
bd5635a1 | 346 | |
e1ce8aa5 | 347 | /* From source.c */ |
d747e0af | 348 | |
6f54efdc | 349 | extern int openp PARAMS ((char *, int, char *, int, int, char **)); |
d747e0af | 350 | |
6f54efdc | 351 | extern void mod_path PARAMS ((char *, char **)); |
d747e0af | 352 | |
6f54efdc | 353 | extern void directory_command PARAMS ((char *, int)); |
d747e0af | 354 | |
6f54efdc | 355 | extern void init_source_path PARAMS ((void)); |
d747e0af | 356 | |
637b1661 SG |
357 | extern char *symtab_to_filename PARAMS ((struct symtab *)); |
358 | ||
d747e0af MT |
359 | /* From findvar.c */ |
360 | ||
6f54efdc | 361 | extern int read_relative_register_raw_bytes PARAMS ((int, char *)); |
e1ce8aa5 | 362 | |
bd5635a1 | 363 | /* From readline (but not in any readline .h files). */ |
d747e0af | 364 | |
6f54efdc | 365 | extern char *tilde_expand PARAMS ((char *)); |
bd5635a1 | 366 | |
78751d4f PS |
367 | /* Control types for commands */ |
368 | ||
369 | enum misc_command_type | |
370 | { | |
371 | ok_command, | |
372 | end_command, | |
373 | else_command, | |
374 | nop_command | |
375 | }; | |
376 | ||
377 | enum command_control_type | |
378 | { | |
379 | simple_control, | |
380 | break_control, | |
381 | continue_control, | |
382 | while_control, | |
383 | if_control, | |
384 | invalid_control | |
385 | }; | |
386 | ||
bd5635a1 RP |
387 | /* Structure for saved commands lines |
388 | (for breakpoints, defined commands, etc). */ | |
389 | ||
390 | struct command_line | |
391 | { | |
392 | struct command_line *next; | |
393 | char *line; | |
78751d4f PS |
394 | enum command_control_type control_type; |
395 | int body_count; | |
396 | struct command_line **body_list; | |
bd5635a1 RP |
397 | }; |
398 | ||
6f54efdc | 399 | extern struct command_line *read_command_lines PARAMS ((void)); |
d747e0af | 400 | |
6f54efdc | 401 | extern void free_command_lines PARAMS ((struct command_line **)); |
bd5635a1 RP |
402 | |
403 | /* String containing the current directory (what getwd would return). */ | |
404 | ||
d747e0af | 405 | extern char *current_directory; |
bd5635a1 RP |
406 | |
407 | /* Default radixes for input and output. Only some values supported. */ | |
408 | extern unsigned input_radix; | |
409 | extern unsigned output_radix; | |
410 | ||
a8a69e63 FF |
411 | /* Possibilities for prettyprint parameters to routines which print |
412 | things. Like enum language, this should be in value.h, but needs | |
413 | to be here for the same reason. FIXME: If we can eliminate this | |
414 | as an arg to LA_VAL_PRINT, then we can probably move it back to | |
415 | value.h. */ | |
416 | ||
417 | enum val_prettyprint | |
418 | { | |
419 | Val_no_prettyprint = 0, | |
420 | Val_prettyprint, | |
421 | /* Use the default setting which the user has specified. */ | |
422 | Val_pretty_default | |
423 | }; | |
424 | ||
0a5d35ed SG |
425 | \f |
426 | /* Host machine definition. This will be a symlink to one of the | |
427 | xm-*.h files, built by the `configure' script. */ | |
428 | ||
429 | #include "xm.h" | |
430 | ||
e58de8a2 FF |
431 | /* Native machine support. This will be a symlink to one of the |
432 | nm-*.h files, built by the `configure' script. */ | |
433 | ||
434 | #include "nm.h" | |
435 | ||
c023fbf4 KH |
436 | /* Target machine definition. This will be a symlink to one of the |
437 | tm-*.h files, built by the `configure' script. */ | |
438 | ||
439 | #include "tm.h" | |
440 | ||
e146177e SEF |
441 | /* If the xm.h file did not define the mode string used to open the |
442 | files, assume that binary files are opened the same way as text | |
443 | files */ | |
444 | #ifndef FOPEN_RB | |
445 | #include "fopen-same.h" | |
446 | #endif | |
447 | ||
0a5d35ed SG |
448 | /* |
449 | * Allow things in gdb to be declared "const". If compiling ANSI, it | |
450 | * just works. If compiling with gcc but non-ansi, redefine to __const__. | |
451 | * If non-ansi, non-gcc, then eliminate "const" entirely, making those | |
452 | * objects be read-write rather than read-only. | |
453 | */ | |
454 | ||
455 | #ifndef const | |
456 | #ifndef __STDC__ | |
457 | # ifdef __GNUC__ | |
458 | # define const __const__ | |
459 | # else | |
460 | # define const /*nothing*/ | |
461 | # endif /* GNUC */ | |
462 | #endif /* STDC */ | |
463 | #endif /* const */ | |
464 | ||
465 | #ifndef volatile | |
466 | #ifndef __STDC__ | |
467 | # ifdef __GNUC__ | |
468 | # define volatile __volatile__ | |
469 | # else | |
470 | # define volatile /*nothing*/ | |
471 | # endif /* GNUC */ | |
472 | #endif /* STDC */ | |
473 | #endif /* volatile */ | |
474 | ||
475 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */ | |
476 | ||
bd5635a1 | 477 | #if !defined (UINT_MAX) |
38dc5e12 | 478 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ |
bd5635a1 RP |
479 | #endif |
480 | ||
e1ce8aa5 | 481 | #if !defined (INT_MAX) |
dd577ca5 | 482 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
e1ce8aa5 JK |
483 | #endif |
484 | ||
485 | #if !defined (INT_MIN) | |
38dc5e12 SG |
486 | #define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */ |
487 | #endif | |
488 | ||
489 | #if !defined (ULONG_MAX) | |
490 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ | |
491 | #endif | |
492 | ||
493 | #if !defined (LONG_MAX) | |
494 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ | |
e1ce8aa5 JK |
495 | #endif |
496 | ||
7343d716 JK |
497 | #ifdef BFD64 |
498 | ||
499 | /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */ | |
500 | ||
70126bf9 | 501 | #define LONGEST BFD_HOST_64_BIT |
7343d716 JK |
502 | |
503 | #else /* No BFD64 */ | |
504 | ||
fad466eb SS |
505 | /* If all compilers for this host support "long long" and we want to |
506 | use it for LONGEST (the performance hit is about 10% on a testsuite | |
507 | run based on one DECstation test), then the xm.h file can define | |
508 | CC_HAS_LONG_LONG. | |
509 | ||
510 | Using GCC 1.39 on BSDI with long long causes about 700 new | |
511 | testsuite failures. Using long long for LONGEST on the DECstation | |
512 | causes 3 new FAILs in the testsuite and many heuristic fencepost | |
513 | warnings. These are not investigated, but a first guess would be | |
514 | that the BSDI problems are GCC bugs in long long support and the | |
515 | latter are GDB bugs. */ | |
7efb57c3 FF |
516 | |
517 | #ifndef CC_HAS_LONG_LONG | |
fad466eb | 518 | # if defined (__GNUC__) && defined (FORCE_LONG_LONG) |
7efb57c3 FF |
519 | # define CC_HAS_LONG_LONG 1 |
520 | # endif | |
521 | #endif | |
fad466eb | 522 | |
7efb57c3 FF |
523 | /* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work. |
524 | CC_HAS_LONG_LONG is defined if the host compiler supports "long long" | |
525 | variables and we wish to make use of that support. */ | |
d747e0af MT |
526 | |
527 | #ifndef LONGEST | |
7efb57c3 FF |
528 | # ifdef CC_HAS_LONG_LONG |
529 | # define LONGEST long long | |
530 | # else | |
531 | # define LONGEST long | |
532 | # endif | |
533 | #endif | |
534 | ||
7343d716 JK |
535 | #endif /* No BFD64 */ |
536 | ||
7efb57c3 FF |
537 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of |
538 | arguments to a function, number in a value history, register number, etc.) | |
539 | where the value must not be larger than can fit in an int. */ | |
540 | ||
fb0f4231 | 541 | extern int longest_to_int PARAMS ((LONGEST)); |
d747e0af | 542 | |
0a5d35ed SG |
543 | /* Assorted functions we can declare, now that const and volatile are |
544 | defined. */ | |
d747e0af | 545 | |
6f54efdc | 546 | extern char *savestring PARAMS ((const char *, int)); |
d747e0af | 547 | |
6f54efdc | 548 | extern char *msavestring PARAMS ((void *, const char *, int)); |
318bf84f | 549 | |
6f54efdc | 550 | extern char *strsave PARAMS ((const char *)); |
d747e0af | 551 | |
6f54efdc | 552 | extern char *mstrsave PARAMS ((void *, const char *)); |
318bf84f | 553 | |
6f54efdc | 554 | extern PTR xmalloc PARAMS ((long)); |
d747e0af | 555 | |
6f54efdc | 556 | extern PTR xrealloc PARAMS ((PTR, long)); |
318bf84f | 557 | |
6f54efdc | 558 | extern PTR xmmalloc PARAMS ((PTR, long)); |
318bf84f | 559 | |
6f54efdc | 560 | extern PTR xmrealloc PARAMS ((PTR, PTR, long)); |
318bf84f | 561 | |
6f54efdc | 562 | extern int parse_escape PARAMS ((char **)); |
d747e0af | 563 | |
86db943c | 564 | extern char *reg_names[]; |
d747e0af | 565 | |
833e0d94 JK |
566 | /* Message to be printed before the error message, when an error occurs. */ |
567 | ||
568 | extern char *error_pre_print; | |
569 | ||
8989d4fc JK |
570 | /* Message to be printed before the error message, when an error occurs. */ |
571 | ||
572 | extern char *quit_pre_print; | |
573 | ||
833e0d94 JK |
574 | /* Message to be printed before the warning message, when a warning occurs. */ |
575 | ||
576 | extern char *warning_pre_print; | |
577 | ||
85c613aa | 578 | extern NORETURN void error PARAMS((char *, ...)) ATTR_NORETURN; |
a0cf4681 JK |
579 | |
580 | extern void error_begin PARAMS ((void)); | |
d747e0af | 581 | |
85c613aa | 582 | extern NORETURN void fatal PARAMS((char *, ...)) ATTR_NORETURN; |
d747e0af | 583 | |
6f54efdc | 584 | extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN; |
318bf84f | 585 | |
2fcdae93 PS |
586 | /* Reasons for calling return_to_top_level. */ |
587 | enum return_reason { | |
588 | /* User interrupt. */ | |
589 | RETURN_QUIT, | |
590 | ||
591 | /* Any other error. */ | |
592 | RETURN_ERROR | |
593 | }; | |
594 | ||
595 | #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT) | |
596 | #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR) | |
597 | #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR) | |
598 | typedef int return_mask; | |
599 | ||
6f54efdc SS |
600 | extern NORETURN void |
601 | return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN; | |
2fcdae93 | 602 | |
6f54efdc SS |
603 | extern int |
604 | catch_errors PARAMS ((int (*) (char *), void *, char *, return_mask)); | |
d747e0af | 605 | |
8989d4fc | 606 | extern void warning_begin PARAMS ((void)); |
d747e0af | 607 | |
413cba82 JL |
608 | extern void warning PARAMS ((char *, ...)) |
609 | ATTR_FORMAT(printf, 1, 2); | |
d747e0af | 610 | |
97e7b66f DE |
611 | /* Global functions from other, non-gdb GNU thingies. |
612 | Libiberty thingies are no longer declared here. We include libiberty.h | |
613 | above, instead. */ | |
d747e0af | 614 | |
6f54efdc | 615 | extern char *getenv PARAMS ((const char *)); |
d747e0af | 616 | |
e146177e SEF |
617 | /* From other system libraries */ |
618 | ||
0a5d35ed | 619 | #ifdef __STDC__ |
d747e0af | 620 | #include <stddef.h> |
e3be225e | 621 | #include <stdlib.h> |
0a5d35ed | 622 | #endif |
d747e0af | 623 | |
e3be225e | 624 | extern int fclose (); |
e146177e | 625 | |
8989d4fc | 626 | #ifndef atof |
e3be225e | 627 | extern double atof (); |
8989d4fc | 628 | #endif |
51b57ded | 629 | |
d747e0af | 630 | #ifndef MALLOC_INCOMPATIBLE |
318bf84f | 631 | |
e3be225e | 632 | extern PTR malloc (); |
d747e0af | 633 | |
e3be225e | 634 | extern PTR realloc (); |
318bf84f | 635 | |
e3be225e | 636 | extern void free (); |
d747e0af | 637 | |
e3be225e | 638 | #endif /* MALLOC_INCOMPATIBLE */ |
d747e0af | 639 | |
45993f61 | 640 | #ifndef WIN32 |
e3be225e | 641 | extern char *strchr (); |
51b57ded | 642 | |
e3be225e | 643 | extern char *strrchr (); |
d747e0af | 644 | |
e3be225e | 645 | extern char *strstr (); |
e146177e | 646 | |
e3be225e | 647 | extern char *strtok (); |
51b57ded | 648 | |
e3be225e | 649 | extern char *strerror (); |
45993f61 | 650 | #endif |
e2aab031 | 651 | |
0a5d35ed SG |
652 | /* Various possibilities for alloca. */ |
653 | #ifndef alloca | |
654 | # ifdef __GNUC__ | |
655 | # define alloca __builtin_alloca | |
7343d716 | 656 | # else /* Not GNU C */ |
0a5d35ed | 657 | # ifdef sparc |
22fd4704 | 658 | # include <alloca.h> /* NOTE: Doesn't declare alloca() */ |
e676a15f | 659 | # endif |
7343d716 JK |
660 | |
661 | /* We need to be careful not to declare this in a way which conflicts with | |
662 | bison. Bison never declares it as char *, but under various circumstances | |
663 | (like __hpux) we need to use void *. */ | |
664 | # if defined (__STDC__) || defined (__hpux) | |
665 | extern void *alloca (); | |
666 | # else /* Don't use void *. */ | |
0f552c5f | 667 | extern char *alloca (); |
7343d716 JK |
668 | # endif /* Don't use void *. */ |
669 | # endif /* Not GNU C */ | |
670 | #endif /* alloca not defined */ | |
e2aab031 | 671 | |
479f0f18 | 672 | /* HOST_BYTE_ORDER must be defined to one of these. */ |
a10c0d36 | 673 | |
0a5d35ed SG |
674 | #if !defined (BIG_ENDIAN) |
675 | #define BIG_ENDIAN 4321 | |
676 | #endif | |
a10c0d36 | 677 | |
0a5d35ed SG |
678 | #if !defined (LITTLE_ENDIAN) |
679 | #define LITTLE_ENDIAN 1234 | |
680 | #endif | |
a10c0d36 | 681 | |
2fcdae93 | 682 | /* Target-system-dependent parameters for GDB. */ |
7d9884b9 | 683 | |
479f0f18 SG |
684 | #ifdef TARGET_BYTE_ORDER_SELECTABLE |
685 | /* The target endianness is selectable at runtime. Define | |
686 | TARGET_BYTE_ORDER to be a variable. The user can use the `set | |
687 | endian' command to change it. */ | |
688 | #undef TARGET_BYTE_ORDER | |
689 | #define TARGET_BYTE_ORDER target_byte_order | |
690 | extern int target_byte_order; | |
691 | #endif | |
692 | ||
693 | extern void set_endian_from_file PARAMS ((bfd *)); | |
694 | ||
04f566a3 JK |
695 | /* Number of bits in a char or unsigned char for the target machine. |
696 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ | |
697 | #if !defined (TARGET_CHAR_BIT) | |
698 | #define TARGET_CHAR_BIT 8 | |
699 | #endif | |
700 | ||
701 | /* Number of bits in a short or unsigned short for the target machine. */ | |
702 | #if !defined (TARGET_SHORT_BIT) | |
703 | #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT) | |
704 | #endif | |
705 | ||
706 | /* Number of bits in an int or unsigned int for the target machine. */ | |
707 | #if !defined (TARGET_INT_BIT) | |
708 | #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT) | |
709 | #endif | |
710 | ||
711 | /* Number of bits in a long or unsigned long for the target machine. */ | |
712 | #if !defined (TARGET_LONG_BIT) | |
713 | #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT) | |
714 | #endif | |
715 | ||
716 | /* Number of bits in a long long or unsigned long long for the target machine. */ | |
717 | #if !defined (TARGET_LONG_LONG_BIT) | |
718 | #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT) | |
719 | #endif | |
720 | ||
721 | /* Number of bits in a float for the target machine. */ | |
722 | #if !defined (TARGET_FLOAT_BIT) | |
723 | #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT) | |
724 | #endif | |
725 | ||
726 | /* Number of bits in a double for the target machine. */ | |
727 | #if !defined (TARGET_DOUBLE_BIT) | |
728 | #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT) | |
729 | #endif | |
730 | ||
731 | /* Number of bits in a long double for the target machine. */ | |
732 | #if !defined (TARGET_LONG_DOUBLE_BIT) | |
733 | #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT) | |
734 | #endif | |
735 | ||
04f566a3 JK |
736 | /* Number of bits in a pointer for the target machine */ |
737 | #if !defined (TARGET_PTR_BIT) | |
738 | #define TARGET_PTR_BIT TARGET_INT_BIT | |
739 | #endif | |
740 | ||
741 | /* If we picked up a copy of CHAR_BIT from a configuration file | |
742 | (which may get it by including <limits.h>) then use it to set | |
743 | the number of bits in a host char. If not, use the same size | |
744 | as the target. */ | |
745 | ||
746 | #if defined (CHAR_BIT) | |
747 | #define HOST_CHAR_BIT CHAR_BIT | |
748 | #else | |
749 | #define HOST_CHAR_BIT TARGET_CHAR_BIT | |
750 | #endif | |
751 | ||
7d9884b9 JG |
752 | /* The bit byte-order has to do just with numbering of bits in |
753 | debugging symbols and such. Conceptually, it's quite separate | |
754 | from byte/word byte order. */ | |
755 | ||
756 | #if !defined (BITS_BIG_ENDIAN) | |
479f0f18 SG |
757 | #ifndef TARGET_BYTE_ORDER_SELECTABLE |
758 | ||
7d9884b9 JG |
759 | #if TARGET_BYTE_ORDER == BIG_ENDIAN |
760 | #define BITS_BIG_ENDIAN 1 | |
761 | #endif /* Big endian. */ | |
762 | ||
763 | #if TARGET_BYTE_ORDER == LITTLE_ENDIAN | |
764 | #define BITS_BIG_ENDIAN 0 | |
765 | #endif /* Little endian. */ | |
479f0f18 SG |
766 | |
767 | #else /* defined (TARGET_BYTE_ORDER_SELECTABLE) */ | |
768 | ||
769 | #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN) | |
770 | ||
771 | #endif /* defined (TARGET_BYTE_ORDER_SELECTABLE) */ | |
7d9884b9 JG |
772 | #endif /* BITS_BIG_ENDIAN not defined. */ |
773 | ||
e3c16900 | 774 | /* In findvar.c. */ |
e3c16900 | 775 | |
6f54efdc SS |
776 | extern LONGEST extract_signed_integer PARAMS ((void *, int)); |
777 | ||
778 | extern unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int)); | |
779 | ||
780 | extern CORE_ADDR extract_address PARAMS ((void *, int)); | |
781 | ||
782 | extern void store_signed_integer PARAMS ((void *, int, LONGEST)); | |
783 | ||
784 | extern void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST)); | |
785 | ||
786 | extern void store_address PARAMS ((void *, int, CORE_ADDR)); | |
787 | ||
788 | extern double extract_floating PARAMS ((void *, int)); | |
04f566a3 | 789 | |
6f54efdc | 790 | extern void store_floating PARAMS ((void *, int, double)); |
e3c16900 | 791 | \f |
7d9884b9 JG |
792 | /* On some machines there are bits in addresses which are not really |
793 | part of the address, but are used by the kernel, the hardware, etc. | |
794 | for special purposes. ADDR_BITS_REMOVE takes out any such bits | |
795 | so we get a "real" address such as one would find in a symbol | |
04f566a3 | 796 | table. This is used only for addresses of instructions, and even then |
e3c16900 JK |
797 | I'm not sure it's used in all contexts. It exists to deal with there |
798 | being a few stray bits in the PC which would mislead us, not as some sort | |
04f566a3 JK |
799 | of generic thing to handle alignment or segmentation (it's possible it |
800 | should be in TARGET_READ_PC instead). */ | |
7d9884b9 JG |
801 | #if !defined (ADDR_BITS_REMOVE) |
802 | #define ADDR_BITS_REMOVE(addr) (addr) | |
7d9884b9 JG |
803 | #endif /* No ADDR_BITS_REMOVE. */ |
804 | ||
d747e0af MT |
805 | /* From valops.c */ |
806 | ||
6f54efdc | 807 | extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int)); |
d747e0af | 808 | |
6f54efdc | 809 | extern CORE_ADDR push_word PARAMS ((CORE_ADDR, unsigned LONGEST)); |
d747e0af | 810 | |
0239d9b3 FF |
811 | /* Some parts of gdb might be considered optional, in the sense that they |
812 | are not essential for being able to build a working, usable debugger | |
813 | for a specific environment. For example, the maintenance commands | |
814 | are there for the benefit of gdb maintainers. As another example, | |
815 | some environments really don't need gdb's that are able to read N | |
816 | different object file formats. In order to make it possible (but | |
817 | not necessarily recommended) to build "stripped down" versions of | |
818 | gdb, the following defines control selective compilation of those | |
819 | parts of gdb which can be safely left out when necessary. Note that | |
820 | the default is to include everything. */ | |
821 | ||
822 | #ifndef MAINTENANCE_CMDS | |
823 | #define MAINTENANCE_CMDS 1 | |
824 | #endif | |
825 | ||
45993f61 SC |
826 | #ifdef MAINTENANCE_CMDS |
827 | extern int watchdog; | |
828 | #endif | |
829 | ||
09722039 SG |
830 | #include "dis-asm.h" /* Get defs for disassemble_info */ |
831 | ||
18b46e7c SS |
832 | extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr, |
833 | int len, disassemble_info *info)); | |
834 | ||
835 | extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr, | |
836 | disassemble_info *info)); | |
837 | ||
838 | extern void dis_asm_print_address PARAMS ((bfd_vma addr, | |
839 | disassemble_info *info)); | |
840 | ||
841 | extern int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info*)); | |
842 | ||
843 | /* Hooks for alternate command interfaces. */ | |
844 | ||
09722039 SG |
845 | #ifdef __STDC__ |
846 | struct target_waitstatus; | |
847 | struct cmd_list_element; | |
848 | #endif | |
849 | ||
8164ec2e SG |
850 | extern void (*init_ui_hook) PARAMS ((void)); |
851 | extern void (*command_loop_hook) PARAMS ((void)); | |
18b46e7c SS |
852 | extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer, |
853 | FILE *stream)); | |
854 | extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s, | |
855 | int line, int stopline, | |
856 | int noerror)); | |
e3be225e | 857 | extern int (*query_hook) PARAMS (()); |
8164ec2e SG |
858 | extern void (*flush_hook) PARAMS ((FILE *stream)); |
859 | extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b)); | |
860 | extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); | |
326ae3e2 | 861 | extern void (*modify_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); |
637b1661 | 862 | extern void (*interactive_hook) PARAMS ((void)); |
16041d53 | 863 | extern void (*registers_changed_hook) PARAMS ((void)); |
479f0f18 SG |
864 | |
865 | extern int (*target_wait_hook) PARAMS ((int pid, | |
866 | struct target_waitstatus *status)); | |
867 | ||
868 | extern void (*call_command_hook) PARAMS ((struct cmd_list_element *c, | |
869 | char *cmd, int from_tty)); | |
870 | ||
45993f61 SC |
871 | extern NORETURN void (*error_hook) PARAMS (()); |
872 | ||
873 | ||
874 | ||
754e5da2 SG |
875 | /* Inhibit window interface if non-zero. */ |
876 | ||
c5197511 | 877 | extern int use_windows; |
754e5da2 | 878 | |
45993f61 SC |
879 | /* Symbolic definitions of filename-related things. */ |
880 | /* FIXME, this doesn't work very well if host and executable | |
881 | filesystems conventions are different. */ | |
882 | ||
883 | #ifndef DIRNAME_SEPARATOR | |
884 | #define DIRNAME_SEPARATOR ':' | |
885 | #endif | |
886 | ||
887 | #ifndef SLASH_P | |
888 | #define SLASH_P(X) ((X)=='/') | |
889 | #endif | |
890 | ||
891 | #ifndef SLASH_CHAR | |
892 | #define SLASH_CHAR '/' | |
893 | #endif | |
894 | ||
895 | #ifndef SLASH_STRING | |
896 | #define SLASH_STRING "/" | |
897 | #endif | |
898 | ||
899 | #ifndef ROOTED_P | |
900 | #define ROOTED_P(X) (SLASH_P((X)[0])) | |
901 | #endif | |
902 | ||
09722039 | 903 | #endif /* #ifndef DEFS_H */ |