Commit | Line | Data |
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7d9884b9 | 1 | /* Basic, host-specific, and target-specific definitions for GDB. |
bd5635a1 RP |
2 | Copyright (C) 1986, 1989, 1991 Free Software Foundation, Inc. |
3 | ||
4 | This file is part of GDB. | |
5 | ||
a10c0d36 | 6 | This program is free software; you can redistribute it and/or modify |
bd5635a1 | 7 | it under the terms of the GNU General Public License as published by |
a10c0d36 JG |
8 | the Free Software Foundation; either version 2 of the License, or |
9 | (at your option) any later version. | |
bd5635a1 | 10 | |
a10c0d36 | 11 | This program is distributed in the hope that it will be useful, |
bd5635a1 RP |
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. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
a10c0d36 JG |
17 | along with this program; if not, write to the Free Software |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
bd5635a1 | 19 | |
c1ace5b5 | 20 | #if !defined (DEFS_H) |
d747e0af MT |
21 | #define DEFS_H 1 |
22 | ||
23 | #include <stdio.h> | |
24 | ||
25 | /* First include ansidecl.h so we can use the various macro definitions | |
26 | in all subsequent file inclusions. FIXME: This inclusion can now | |
27 | be removed from all files that include defs.h */ | |
28 | ||
29 | #include "ansidecl.h" | |
30 | ||
31 | /* We could use the EXFUN macro in ansidecl.h to handle prototypes, but | |
32 | the name is misleading the the result is ugly. So just define a simple | |
33 | macro to handle the parameter lists. */ | |
34 | ||
35 | #ifdef __STDC__ | |
36 | #define PARAMS(paramlist) paramlist | |
37 | #else | |
38 | #define PARAMS(paramlist) () | |
39 | #endif | |
c1ace5b5 | 40 | |
bd5635a1 RP |
41 | /* An address in the program being debugged. Host byte order. */ |
42 | typedef unsigned int CORE_ADDR; | |
43 | ||
44 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
45 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
46 | ||
47 | /* The character C++ uses to build identifiers that must be unique from | |
48 | the program's identifiers (such as $this and $$vptr). */ | |
49 | #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */ | |
50 | ||
bd5635a1 RP |
51 | extern int errno; /* System call error return status */ |
52 | ||
53 | extern int quit_flag; | |
54 | extern int immediate_quit; | |
d747e0af MT |
55 | |
56 | extern void | |
57 | quit PARAMS ((void)); | |
bd5635a1 RP |
58 | |
59 | #define QUIT { if (quit_flag) quit (); } | |
60 | ||
61 | /* Notes on classes: class_alias is for alias commands which are not | |
62 | abbreviations of the original command. */ | |
63 | ||
64 | enum command_class | |
65 | { | |
66 | /* Special args to help_list */ | |
67 | all_classes = -2, all_commands = -1, | |
68 | /* Classes of commands */ | |
69 | no_class = -1, class_run = 0, class_vars, class_stack, | |
70 | class_files, class_support, class_info, class_breakpoint, | |
71 | class_alias, class_obscure, class_user | |
72 | }; | |
73 | ||
74 | /* the cleanup list records things that have to be undone | |
75 | if an error happens (descriptors to be closed, memory to be freed, etc.) | |
76 | Each link in the chain records a function to call and an | |
77 | argument to give it. | |
78 | ||
79 | Use make_cleanup to add an element to the cleanup chain. | |
80 | Use do_cleanups to do all cleanup actions back to a given | |
81 | point in the chain. Use discard_cleanups to remove cleanups | |
82 | from the chain back to a given point, not doing them. */ | |
83 | ||
84 | struct cleanup | |
85 | { | |
86 | struct cleanup *next; | |
d747e0af MT |
87 | void (*function) PARAMS ((PTR)); |
88 | PTR arg; | |
bd5635a1 RP |
89 | }; |
90 | ||
d747e0af MT |
91 | /* From blockframe.c */ |
92 | ||
93 | extern int | |
94 | inside_entry_scope PARAMS ((CORE_ADDR)); | |
95 | ||
96 | extern int | |
97 | outside_startup_file PARAMS ((CORE_ADDR addr)); | |
98 | ||
99 | extern int | |
100 | inside_main_scope PARAMS ((CORE_ADDR pc)); | |
101 | ||
102 | /* From cplus-dem.c */ | |
103 | ||
104 | extern char * | |
105 | cplus_demangle PARAMS ((const char *, int)); | |
106 | ||
107 | extern char * | |
108 | cplus_mangle_opname PARAMS ((char *, int)); | |
109 | ||
318bf84f | 110 | /* From libmmalloc.a (memory mapped malloc library) */ |
d747e0af MT |
111 | |
112 | extern PTR | |
318bf84f | 113 | mmalloc_attach PARAMS ((int, PTR)); |
d747e0af MT |
114 | |
115 | extern PTR | |
318bf84f | 116 | mmalloc_detach PARAMS ((PTR)); |
d747e0af MT |
117 | |
118 | extern PTR | |
318bf84f | 119 | mmalloc PARAMS ((PTR, long)); |
d747e0af MT |
120 | |
121 | extern PTR | |
318bf84f | 122 | mrealloc PARAMS ((PTR, PTR, long)); |
d747e0af MT |
123 | |
124 | extern void | |
318bf84f | 125 | mfree PARAMS ((PTR, PTR)); |
d747e0af | 126 | |
318bf84f FF |
127 | extern int |
128 | mmalloc_setkey PARAMS ((PTR, int, PTR)); | |
d747e0af MT |
129 | |
130 | extern PTR | |
318bf84f | 131 | mmalloc_getkey PARAMS ((PTR, int)); |
d747e0af MT |
132 | |
133 | /* From utils.c */ | |
134 | ||
135 | extern void | |
318bf84f | 136 | init_malloc PARAMS ((PTR)); |
d747e0af MT |
137 | |
138 | extern void | |
139 | request_quit PARAMS ((int)); | |
140 | ||
141 | extern void | |
142 | do_cleanups PARAMS ((struct cleanup *)); | |
143 | ||
144 | extern void | |
145 | discard_cleanups PARAMS ((struct cleanup *)); | |
146 | ||
147 | /* The bare make_cleanup function is one of those rare beasts that | |
148 | takes almost any type of function as the first arg and anything that | |
149 | will fit in a "void *" as the second arg. | |
150 | ||
151 | Should be, once all calls and called-functions are cleaned up: | |
152 | extern struct cleanup * | |
153 | make_cleanup PARAMS ((void (*function) (PTR), PTR)); | |
154 | ||
155 | Until then, lint and/or various type-checking compiler options will | |
156 | complain about make_cleanup calls. It'd be wrong to just cast things, | |
157 | since the type actually passed when the function is called would be | |
158 | wrong. */ | |
159 | ||
160 | extern struct cleanup * | |
161 | make_cleanup (); | |
162 | ||
163 | extern struct cleanup * | |
164 | save_cleanups PARAMS ((void)); | |
165 | ||
166 | extern void | |
167 | restore_cleanups PARAMS ((struct cleanup *)); | |
168 | ||
169 | extern void | |
170 | free_current_contents PARAMS ((char **)); | |
171 | ||
172 | extern void | |
173 | null_cleanup PARAMS ((char **)); | |
174 | ||
175 | extern int | |
176 | myread PARAMS ((int, char *, int)); | |
177 | ||
178 | extern int | |
179 | query (); | |
180 | ||
181 | extern void | |
182 | wrap_here PARAMS ((char *)); | |
183 | ||
184 | extern void | |
185 | reinitialize_more_filter PARAMS ((void)); | |
186 | ||
187 | extern int | |
188 | print_insn PARAMS ((CORE_ADDR, FILE *)); | |
189 | ||
190 | extern void | |
191 | fputs_filtered PARAMS ((const char *, FILE *)); | |
192 | ||
193 | extern void | |
194 | puts_filtered PARAMS ((char *)); | |
195 | ||
196 | extern void | |
197 | fprintf_filtered (); | |
198 | ||
199 | extern void | |
200 | printf_filtered (); | |
201 | ||
202 | extern void | |
203 | print_spaces PARAMS ((int, FILE *)); | |
204 | ||
205 | extern void | |
206 | print_spaces_filtered PARAMS ((int, FILE *)); | |
207 | ||
208 | extern char * | |
209 | n_spaces PARAMS ((int)); | |
210 | ||
211 | extern void | |
212 | printchar PARAMS ((int, FILE *, int)); | |
213 | ||
214 | extern void | |
215 | fprint_symbol PARAMS ((FILE *, char *)); | |
216 | ||
217 | extern void | |
218 | fputs_demangled PARAMS ((char *, FILE *, int)); | |
219 | ||
220 | extern void | |
221 | perror_with_name PARAMS ((char *)); | |
222 | ||
223 | extern void | |
224 | print_sys_errmsg PARAMS ((char *, int)); | |
225 | ||
226 | /* From regex.c */ | |
227 | ||
228 | extern char * | |
229 | re_comp PARAMS ((char *)); | |
230 | ||
231 | /* From symfile.c */ | |
232 | ||
233 | extern void | |
234 | symbol_file_command PARAMS ((char *, int)); | |
235 | ||
236 | /* From main.c */ | |
237 | ||
238 | extern char * | |
239 | gdb_readline PARAMS ((char *)); | |
240 | ||
241 | extern char * | |
242 | command_line_input PARAMS ((char *, int)); | |
243 | ||
244 | extern void | |
245 | print_prompt PARAMS ((void)); | |
246 | ||
247 | extern int | |
248 | batch_mode PARAMS ((void)); | |
249 | ||
250 | extern int | |
251 | input_from_terminal_p PARAMS ((void)); | |
252 | ||
253 | extern int | |
254 | catch_errors PARAMS ((int (*) (char *), char *, char *)); | |
bd5635a1 RP |
255 | |
256 | /* From printcmd.c */ | |
d747e0af MT |
257 | |
258 | extern void | |
259 | set_next_address PARAMS ((CORE_ADDR)); | |
260 | ||
261 | extern void | |
262 | print_address_symbolic PARAMS ((CORE_ADDR, FILE *, int, char *)); | |
263 | ||
264 | extern void | |
265 | print_address PARAMS ((CORE_ADDR, FILE *)); | |
bd5635a1 | 266 | |
e1ce8aa5 | 267 | /* From source.c */ |
d747e0af MT |
268 | |
269 | extern int | |
270 | openp PARAMS ((char *, int, char *, int, int, char **)); | |
271 | ||
272 | extern void | |
273 | mod_path PARAMS ((char *, char **)); | |
274 | ||
275 | extern void | |
276 | directory_command PARAMS ((char *, int)); | |
277 | ||
278 | extern void | |
279 | init_source_path PARAMS ((void)); | |
280 | ||
281 | /* From findvar.c */ | |
282 | ||
283 | extern int | |
284 | read_relative_register_raw_bytes PARAMS ((int, char *)); | |
e1ce8aa5 | 285 | |
bd5635a1 | 286 | /* From readline (but not in any readline .h files). */ |
d747e0af MT |
287 | |
288 | extern char * | |
289 | tilde_expand PARAMS ((char *)); | |
bd5635a1 RP |
290 | |
291 | /* Structure for saved commands lines | |
292 | (for breakpoints, defined commands, etc). */ | |
293 | ||
294 | struct command_line | |
295 | { | |
296 | struct command_line *next; | |
297 | char *line; | |
298 | }; | |
299 | ||
d747e0af MT |
300 | extern struct command_line * |
301 | read_command_lines PARAMS ((void)); | |
302 | ||
303 | extern void | |
304 | free_command_lines PARAMS ((struct command_line **)); | |
bd5635a1 RP |
305 | |
306 | /* String containing the current directory (what getwd would return). */ | |
307 | ||
d747e0af | 308 | extern char *current_directory; |
bd5635a1 RP |
309 | |
310 | /* Default radixes for input and output. Only some values supported. */ | |
311 | extern unsigned input_radix; | |
312 | extern unsigned output_radix; | |
313 | ||
314 | /* Baud rate specified for communication with serial target systems. */ | |
d747e0af | 315 | extern char *baud_rate; |
bd5635a1 | 316 | |
0a5d35ed SG |
317 | /* Languages represented in the symbol table and elsewhere. */ |
318 | ||
319 | enum language | |
320 | { | |
321 | language_unknown, /* Language not known */ | |
322 | language_auto, /* Placeholder for automatic setting */ | |
323 | language_c, /* C */ | |
324 | language_cplus, /* C++ */ | |
325 | language_m2 /* Modula-2 */ | |
326 | }; | |
327 | ||
328 | /* Return a format string for printf that will print a number in the local | |
329 | (language-specific) hexadecimal format. Result is static and is | |
330 | overwritten by the next call. local_hex_format_custom takes printf | |
331 | options like "08" or "l" (to produce e.g. %08x or %lx). */ | |
332 | ||
333 | #define local_hex_format() (current_language->la_hex_format) | |
d747e0af MT |
334 | |
335 | extern char * | |
336 | local_hex_format_custom PARAMS ((char *)); /* language.c */ | |
0a5d35ed SG |
337 | |
338 | /* Return a string that contains a number formatted in the local | |
339 | (language-specific) hexadecimal format. Result is static and is | |
340 | overwritten by the next call. local_hex_string_custom takes printf | |
341 | options like "08" or "l". */ | |
342 | ||
d747e0af MT |
343 | extern char * |
344 | local_hex_string PARAMS ((int)); /* language.c */ | |
345 | ||
346 | extern char * | |
347 | local_hex_string_custom PARAMS ((int, char *)); /* language.c */ | |
348 | ||
0a5d35ed SG |
349 | \f |
350 | /* Host machine definition. This will be a symlink to one of the | |
351 | xm-*.h files, built by the `configure' script. */ | |
352 | ||
353 | #include "xm.h" | |
354 | ||
355 | /* | |
356 | * Allow things in gdb to be declared "const". If compiling ANSI, it | |
357 | * just works. If compiling with gcc but non-ansi, redefine to __const__. | |
358 | * If non-ansi, non-gcc, then eliminate "const" entirely, making those | |
359 | * objects be read-write rather than read-only. | |
360 | */ | |
361 | ||
362 | #ifndef const | |
363 | #ifndef __STDC__ | |
364 | # ifdef __GNUC__ | |
365 | # define const __const__ | |
366 | # else | |
367 | # define const /*nothing*/ | |
368 | # endif /* GNUC */ | |
369 | #endif /* STDC */ | |
370 | #endif /* const */ | |
371 | ||
372 | #ifndef volatile | |
373 | #ifndef __STDC__ | |
374 | # ifdef __GNUC__ | |
375 | # define volatile __volatile__ | |
376 | # else | |
377 | # define volatile /*nothing*/ | |
378 | # endif /* GNUC */ | |
379 | #endif /* STDC */ | |
380 | #endif /* volatile */ | |
381 | ||
d747e0af MT |
382 | /* Some compilers (many AT&T SVR4 compilers for instance), do not accept |
383 | declarations of functions that never return (exit for instance) as | |
384 | "volatile void". For such compilers "NORETURN" can be defined away | |
385 | to keep them happy */ | |
386 | ||
387 | #ifndef NORETURN | |
388 | # define NORETURN volatile | |
389 | #endif | |
390 | ||
0a5d35ed SG |
391 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */ |
392 | ||
bd5635a1 RP |
393 | #if !defined (UINT_MAX) |
394 | #define UINT_MAX 0xffffffff | |
395 | #endif | |
396 | ||
397 | #if !defined (LONG_MAX) | |
398 | #define LONG_MAX 0x7fffffff | |
399 | #endif | |
400 | ||
e1ce8aa5 JK |
401 | #if !defined (INT_MAX) |
402 | #define INT_MAX 0x7fffffff | |
403 | #endif | |
404 | ||
405 | #if !defined (INT_MIN) | |
406 | /* Two's complement, 32 bit. */ | |
407 | #define INT_MIN -0x80000000 | |
408 | #endif | |
409 | ||
e2aab031 FF |
410 | /* Number of bits in a char or unsigned char for the target machine. |
411 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ | |
bd5635a1 RP |
412 | #if !defined (TARGET_CHAR_BIT) |
413 | #define TARGET_CHAR_BIT 8 | |
414 | #endif | |
c1ace5b5 | 415 | |
e2aab031 FF |
416 | /* Number of bits in a short or unsigned short for the target machine. */ |
417 | #if !defined (TARGET_SHORT_BIT) | |
418 | #define TARGET_SHORT_BIT (sizeof (short) * TARGET_CHAR_BIT) | |
419 | #endif | |
420 | ||
421 | /* Number of bits in an int or unsigned int for the target machine. */ | |
422 | #if !defined (TARGET_INT_BIT) | |
423 | #define TARGET_INT_BIT (sizeof (int) * TARGET_CHAR_BIT) | |
424 | #endif | |
425 | ||
426 | /* Number of bits in a long or unsigned long for the target machine. */ | |
427 | #if !defined (TARGET_LONG_BIT) | |
428 | #define TARGET_LONG_BIT (sizeof (long) * TARGET_CHAR_BIT) | |
429 | #endif | |
430 | ||
431 | /* Number of bits in a long long or unsigned long long for the target machine. */ | |
d166df9b | 432 | #if !defined (TARGET_LONG_LONG_BIT) |
e2aab031 FF |
433 | #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT) |
434 | #endif | |
435 | ||
436 | /* Number of bits in a float for the target machine. */ | |
437 | #if !defined (TARGET_FLOAT_BIT) | |
438 | #define TARGET_FLOAT_BIT (sizeof (float) * TARGET_CHAR_BIT) | |
439 | #endif | |
440 | ||
441 | /* Number of bits in a double for the target machine. */ | |
442 | #if !defined (TARGET_DOUBLE_BIT) | |
443 | #define TARGET_DOUBLE_BIT (sizeof (double) * TARGET_CHAR_BIT) | |
444 | #endif | |
445 | ||
446 | /* Number of bits in a long double for the target machine. */ | |
447 | #if !defined (TARGET_LONG_DOUBLE_BIT) | |
448 | #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT) | |
449 | #endif | |
450 | ||
451 | /* Number of bits in a "complex" for the target machine. */ | |
452 | #if !defined (TARGET_COMPLEX_BIT) | |
453 | #define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT) | |
454 | #endif | |
455 | ||
456 | /* Number of bits in a "double complex" for the target machine. */ | |
457 | #if !defined (TARGET_DOUBLE_COMPLEX_BIT) | |
458 | #define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT) | |
d166df9b JK |
459 | #endif |
460 | ||
d747e0af MT |
461 | /* Number of bits in a pointer for the target machine */ |
462 | #if !defined (TARGET_PTR_BIT) | |
463 | #define TARGET_PTR_BIT TARGET_INT_BIT | |
464 | #endif | |
465 | ||
e1ce8aa5 JK |
466 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number |
467 | of arguments to a function, number in a value history, register | |
468 | number, etc.) where the value must not be larger than can fit | |
469 | in an int. */ | |
470 | #if !defined (longest_to_int) | |
471 | #if defined (LONG_LONG) | |
472 | #define longest_to_int(x) (((x) > INT_MAX || (x) < INT_MIN) \ | |
473 | ? error ("Value out of range.") : (int) (x)) | |
474 | #else /* No LONG_LONG. */ | |
475 | /* Assume sizeof (int) == sizeof (long). */ | |
476 | #define longest_to_int(x) ((int) (x)) | |
477 | #endif /* No LONG_LONG. */ | |
478 | #endif /* No longest_to_int. */ | |
479 | ||
d747e0af MT |
480 | /* This should not be a typedef, because "unsigned LONGEST" needs |
481 | to work. LONG_LONG is defined if the host has "long long". */ | |
482 | ||
483 | #ifndef LONGEST | |
484 | # ifdef LONG_LONG | |
485 | # define LONGEST long long | |
486 | # else | |
487 | # define LONGEST long | |
488 | # endif | |
489 | #endif | |
490 | ||
0a5d35ed SG |
491 | /* Assorted functions we can declare, now that const and volatile are |
492 | defined. */ | |
d747e0af MT |
493 | |
494 | extern char * | |
495 | savestring PARAMS ((const char *, int)); | |
496 | ||
318bf84f FF |
497 | extern char * |
498 | msavestring PARAMS ((void *, const char *, int)); | |
499 | ||
d747e0af MT |
500 | extern char * |
501 | strsave PARAMS ((const char *)); | |
502 | ||
318bf84f FF |
503 | extern char * |
504 | mstrsave PARAMS ((void *, const char *)); | |
505 | ||
d747e0af MT |
506 | extern char * |
507 | concat PARAMS ((char *, ...)); | |
508 | ||
509 | extern PTR | |
510 | xmalloc PARAMS ((long)); | |
511 | ||
512 | extern PTR | |
318bf84f FF |
513 | xrealloc PARAMS ((PTR, long)); |
514 | ||
515 | extern PTR | |
516 | xmmalloc PARAMS ((PTR, long)); | |
517 | ||
518 | extern PTR | |
519 | xmrealloc PARAMS ((PTR, PTR, long)); | |
520 | ||
521 | extern PTR | |
522 | mmalloc PARAMS ((PTR, long)); | |
523 | ||
524 | extern PTR | |
525 | mrealloc PARAMS ((PTR, PTR, long)); | |
526 | ||
527 | extern void | |
528 | mfree PARAMS ((PTR, PTR)); | |
529 | ||
530 | extern int | |
531 | mmcheck PARAMS ((PTR, void (*) (void))); | |
532 | ||
533 | extern int | |
534 | mmtrace PARAMS ((void)); | |
d747e0af MT |
535 | |
536 | extern int | |
537 | parse_escape PARAMS ((char **)); | |
538 | ||
539 | extern char *reg_names[]; | |
540 | ||
541 | extern NORETURN void /* Does not return to the caller. */ | |
542 | error (); | |
543 | ||
544 | extern NORETURN void /* Does not return to the caller. */ | |
545 | fatal (); | |
546 | ||
547 | extern NORETURN void /* Not specified as volatile in ... */ | |
548 | exit PARAMS ((int)); /* 4.10.4.3 */ | |
549 | ||
318bf84f FF |
550 | extern NORETURN void /* Does not return to the caller. */ |
551 | nomem PARAMS ((long)); | |
552 | ||
d747e0af MT |
553 | extern NORETURN void /* Does not return to the caller. */ |
554 | return_to_top_level PARAMS ((void)); | |
555 | ||
556 | extern void | |
557 | warning_setup PARAMS ((void)); | |
558 | ||
559 | extern void | |
560 | warning (); | |
561 | ||
562 | /* Global functions from other, non-gdb GNU thingies (libiberty for | |
563 | instance) */ | |
564 | ||
565 | extern char * | |
566 | basename PARAMS ((char *)); | |
567 | ||
568 | extern char * | |
569 | getenv PARAMS ((CONST char *)); | |
570 | ||
571 | extern char ** | |
572 | buildargv PARAMS ((char *)); | |
573 | ||
574 | extern void | |
575 | freeargv PARAMS ((char **)); | |
576 | ||
577 | /* For now, we can't include <stdlib.h> because it conflicts with | |
578 | "../include/getopt.h". (FIXME) | |
579 | ||
318bf84f FF |
580 | However, if a function is defined in the ANSI C standard and a prototype |
581 | for that function is defined and visible in any header file in an ANSI | |
582 | conforming environment, then that prototype must match the definition in | |
583 | the ANSI standard. So we can just duplicate them here without conflict, | |
d747e0af MT |
584 | since they must be the same in all conforming ANSI environments. If |
585 | these cause problems, then the environment is not ANSI conformant. */ | |
586 | ||
0a5d35ed | 587 | #ifdef __STDC__ |
d747e0af | 588 | #include <stddef.h> |
0a5d35ed | 589 | #endif |
d747e0af MT |
590 | |
591 | extern int | |
592 | fclose PARAMS ((FILE *stream)); /* 4.9.5.1 */ | |
593 | ||
594 | extern double | |
595 | atof PARAMS ((const char *nptr)); /* 4.10.1.1 */ | |
596 | ||
597 | #ifndef MALLOC_INCOMPATIBLE | |
318bf84f | 598 | |
d747e0af MT |
599 | extern PTR |
600 | malloc PARAMS ((size_t size)); /* 4.10.3.3 */ | |
601 | ||
602 | extern PTR | |
603 | realloc PARAMS ((void *ptr, size_t size)); /* 4.10.3.4 */ | |
604 | ||
605 | extern void | |
318bf84f FF |
606 | free PARAMS ((void *)); /* 4.10.3.2 */ |
607 | ||
608 | #endif /* MALLOC_INCOMPATIBLE */ | |
d747e0af MT |
609 | |
610 | extern void | |
611 | qsort PARAMS ((void *base, size_t nmemb, /* 4.10.5.2 */ | |
612 | size_t size, | |
613 | int (*comp)(const void *, const void *))); | |
614 | ||
615 | extern char * | |
616 | strchr PARAMS ((const char *, int)); /* 4.11.5.2 */ | |
617 | ||
618 | extern char * | |
619 | strrchr PARAMS ((const char *, int)); /* 4.11.5.5 */ | |
620 | ||
621 | extern char * | |
622 | strtok PARAMS ((char *, const char *)); /* 4.11.5.8 */ | |
623 | ||
624 | extern char * | |
625 | strerror PARAMS ((int)); /* 4.11.6.2 */ | |
e2aab031 | 626 | |
0a5d35ed SG |
627 | /* Various possibilities for alloca. */ |
628 | #ifndef alloca | |
629 | # ifdef __GNUC__ | |
630 | # define alloca __builtin_alloca | |
631 | # else | |
632 | # ifdef sparc | |
633 | # include <alloca.h> | |
634 | # endif | |
635 | extern char *alloca (); | |
636 | # endif | |
637 | #endif | |
e2aab031 | 638 | |
0a5d35ed | 639 | /* TARGET_BYTE_ORDER and HOST_BYTE_ORDER should be defined to one of these. */ |
a10c0d36 | 640 | |
0a5d35ed SG |
641 | #if !defined (BIG_ENDIAN) |
642 | #define BIG_ENDIAN 4321 | |
643 | #endif | |
a10c0d36 | 644 | |
0a5d35ed SG |
645 | #if !defined (LITTLE_ENDIAN) |
646 | #define LITTLE_ENDIAN 1234 | |
647 | #endif | |
a10c0d36 | 648 | |
0a5d35ed | 649 | /* Target-system-dependent parameters for GDB. |
7d9884b9 JG |
650 | |
651 | The standard thing is to include defs.h. However, files that are | |
652 | specific to a particular target can define TM_FILE_OVERRIDE before | |
653 | including defs.h, then can include any particular tm-file they desire. */ | |
654 | ||
655 | /* Target machine definition. This will be a symlink to one of the | |
656 | tm-*.h files, built by the `configure' script. */ | |
657 | ||
658 | #ifndef TM_FILE_OVERRIDE | |
659 | #include "tm.h" | |
660 | #endif | |
661 | ||
7d9884b9 JG |
662 | /* The bit byte-order has to do just with numbering of bits in |
663 | debugging symbols and such. Conceptually, it's quite separate | |
664 | from byte/word byte order. */ | |
665 | ||
666 | #if !defined (BITS_BIG_ENDIAN) | |
667 | #if TARGET_BYTE_ORDER == BIG_ENDIAN | |
668 | #define BITS_BIG_ENDIAN 1 | |
669 | #endif /* Big endian. */ | |
670 | ||
671 | #if TARGET_BYTE_ORDER == LITTLE_ENDIAN | |
672 | #define BITS_BIG_ENDIAN 0 | |
673 | #endif /* Little endian. */ | |
674 | #endif /* BITS_BIG_ENDIAN not defined. */ | |
675 | ||
676 | /* Swap LEN bytes at BUFFER between target and host byte-order. */ | |
677 | #if TARGET_BYTE_ORDER == HOST_BYTE_ORDER | |
678 | #define SWAP_TARGET_AND_HOST(buffer,len) | |
679 | #else /* Target and host byte order differ. */ | |
680 | #define SWAP_TARGET_AND_HOST(buffer,len) \ | |
681 | { \ | |
682 | char tmp; \ | |
683 | char *p = (char *)(buffer); \ | |
684 | char *q = ((char *)(buffer)) + len - 1; \ | |
685 | for (; p < q; p++, q--) \ | |
686 | { \ | |
687 | tmp = *q; \ | |
688 | *q = *p; \ | |
689 | *p = tmp; \ | |
690 | } \ | |
691 | } | |
692 | #endif /* Target and host byte order differ. */ | |
693 | ||
694 | /* On some machines there are bits in addresses which are not really | |
695 | part of the address, but are used by the kernel, the hardware, etc. | |
696 | for special purposes. ADDR_BITS_REMOVE takes out any such bits | |
697 | so we get a "real" address such as one would find in a symbol | |
698 | table. ADDR_BITS_SET sets those bits the way the system wants | |
699 | them. */ | |
700 | #if !defined (ADDR_BITS_REMOVE) | |
701 | #define ADDR_BITS_REMOVE(addr) (addr) | |
702 | #define ADDR_BITS_SET(addr) (addr) | |
703 | #endif /* No ADDR_BITS_REMOVE. */ | |
704 | ||
705 | #if !defined (SYS_SIGLIST_MISSING) | |
706 | #define SYS_SIGLIST_MISSING defined (USG) | |
707 | #endif /* No SYS_SIGLIST_MISSING */ | |
a10c0d36 | 708 | |
d747e0af MT |
709 | /* From valops.c */ |
710 | ||
711 | extern CORE_ADDR | |
712 | push_bytes PARAMS ((CORE_ADDR, char *, int)); | |
713 | ||
714 | /* In some modules, we don't have a definition of REGISTER_TYPE yet, so we | |
715 | must avoid prototyping this function for now. FIXME. Should be: | |
716 | extern CORE_ADDR | |
717 | push_word PARAMS ((CORE_ADDR, REGISTER_TYPE)); | |
718 | */ | |
719 | extern CORE_ADDR | |
720 | push_word (); | |
721 | ||
722 | #endif /* !defined (DEFS_H) */ |