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 | ||
110 | /* From mmap-*.c */ | |
111 | ||
112 | extern PTR | |
113 | mmap_malloc PARAMS ((long)); | |
114 | ||
115 | extern PTR | |
116 | mmap_realloc PARAMS ((PTR, long)); | |
117 | ||
118 | extern PTR | |
119 | mmap_xmalloc PARAMS ((long)); | |
120 | ||
121 | extern PTR | |
122 | mmap_xrealloc PARAMS ((PTR, long)); | |
123 | ||
124 | extern void | |
125 | mmap_free PARAMS ((PTR)); | |
126 | ||
127 | extern PTR | |
128 | mmap_sbrk PARAMS ((int)); | |
129 | ||
130 | extern PTR | |
131 | mmap_base PARAMS ((void)); | |
132 | ||
133 | extern PTR | |
134 | mmap_page_align PARAMS ((PTR)); | |
135 | ||
136 | extern PTR | |
137 | mmap_remap PARAMS ((PTR, long, int, long)); | |
138 | ||
139 | /* From utils.c */ | |
140 | ||
141 | extern void | |
142 | init_malloc PARAMS ((void)); | |
143 | ||
144 | extern void | |
145 | request_quit PARAMS ((int)); | |
146 | ||
147 | extern void | |
148 | do_cleanups PARAMS ((struct cleanup *)); | |
149 | ||
150 | extern void | |
151 | discard_cleanups PARAMS ((struct cleanup *)); | |
152 | ||
153 | /* The bare make_cleanup function is one of those rare beasts that | |
154 | takes almost any type of function as the first arg and anything that | |
155 | will fit in a "void *" as the second arg. | |
156 | ||
157 | Should be, once all calls and called-functions are cleaned up: | |
158 | extern struct cleanup * | |
159 | make_cleanup PARAMS ((void (*function) (PTR), PTR)); | |
160 | ||
161 | Until then, lint and/or various type-checking compiler options will | |
162 | complain about make_cleanup calls. It'd be wrong to just cast things, | |
163 | since the type actually passed when the function is called would be | |
164 | wrong. */ | |
165 | ||
166 | extern struct cleanup * | |
167 | make_cleanup (); | |
168 | ||
169 | extern struct cleanup * | |
170 | save_cleanups PARAMS ((void)); | |
171 | ||
172 | extern void | |
173 | restore_cleanups PARAMS ((struct cleanup *)); | |
174 | ||
175 | extern void | |
176 | free_current_contents PARAMS ((char **)); | |
177 | ||
178 | extern void | |
179 | null_cleanup PARAMS ((char **)); | |
180 | ||
181 | extern int | |
182 | myread PARAMS ((int, char *, int)); | |
183 | ||
184 | extern int | |
185 | query (); | |
186 | ||
187 | extern void | |
188 | wrap_here PARAMS ((char *)); | |
189 | ||
190 | extern void | |
191 | reinitialize_more_filter PARAMS ((void)); | |
192 | ||
193 | extern int | |
194 | print_insn PARAMS ((CORE_ADDR, FILE *)); | |
195 | ||
196 | extern void | |
197 | fputs_filtered PARAMS ((const char *, FILE *)); | |
198 | ||
199 | extern void | |
200 | puts_filtered PARAMS ((char *)); | |
201 | ||
202 | extern void | |
203 | fprintf_filtered (); | |
204 | ||
205 | extern void | |
206 | printf_filtered (); | |
207 | ||
208 | extern void | |
209 | print_spaces PARAMS ((int, FILE *)); | |
210 | ||
211 | extern void | |
212 | print_spaces_filtered PARAMS ((int, FILE *)); | |
213 | ||
214 | extern char * | |
215 | n_spaces PARAMS ((int)); | |
216 | ||
217 | extern void | |
218 | printchar PARAMS ((int, FILE *, int)); | |
219 | ||
220 | extern void | |
221 | fprint_symbol PARAMS ((FILE *, char *)); | |
222 | ||
223 | extern void | |
224 | fputs_demangled PARAMS ((char *, FILE *, int)); | |
225 | ||
226 | extern void | |
227 | perror_with_name PARAMS ((char *)); | |
228 | ||
229 | extern void | |
230 | print_sys_errmsg PARAMS ((char *, int)); | |
231 | ||
232 | /* From regex.c */ | |
233 | ||
234 | extern char * | |
235 | re_comp PARAMS ((char *)); | |
236 | ||
237 | /* From symfile.c */ | |
238 | ||
239 | extern void | |
240 | symbol_file_command PARAMS ((char *, int)); | |
241 | ||
242 | /* From main.c */ | |
243 | ||
244 | extern char * | |
245 | gdb_readline PARAMS ((char *)); | |
246 | ||
247 | extern char * | |
248 | command_line_input PARAMS ((char *, int)); | |
249 | ||
250 | extern void | |
251 | print_prompt PARAMS ((void)); | |
252 | ||
253 | extern int | |
254 | batch_mode PARAMS ((void)); | |
255 | ||
256 | extern int | |
257 | input_from_terminal_p PARAMS ((void)); | |
258 | ||
259 | extern int | |
260 | catch_errors PARAMS ((int (*) (char *), char *, char *)); | |
bd5635a1 RP |
261 | |
262 | /* From printcmd.c */ | |
d747e0af MT |
263 | |
264 | extern void | |
265 | set_next_address PARAMS ((CORE_ADDR)); | |
266 | ||
267 | extern void | |
268 | print_address_symbolic PARAMS ((CORE_ADDR, FILE *, int, char *)); | |
269 | ||
270 | extern void | |
271 | print_address PARAMS ((CORE_ADDR, FILE *)); | |
bd5635a1 | 272 | |
e1ce8aa5 | 273 | /* From source.c */ |
d747e0af MT |
274 | |
275 | extern int | |
276 | openp PARAMS ((char *, int, char *, int, int, char **)); | |
277 | ||
278 | extern void | |
279 | mod_path PARAMS ((char *, char **)); | |
280 | ||
281 | extern void | |
282 | directory_command PARAMS ((char *, int)); | |
283 | ||
284 | extern void | |
285 | init_source_path PARAMS ((void)); | |
286 | ||
287 | /* From findvar.c */ | |
288 | ||
289 | extern int | |
290 | read_relative_register_raw_bytes PARAMS ((int, char *)); | |
e1ce8aa5 | 291 | |
bd5635a1 | 292 | /* From readline (but not in any readline .h files). */ |
d747e0af MT |
293 | |
294 | extern char * | |
295 | tilde_expand PARAMS ((char *)); | |
bd5635a1 RP |
296 | |
297 | /* Structure for saved commands lines | |
298 | (for breakpoints, defined commands, etc). */ | |
299 | ||
300 | struct command_line | |
301 | { | |
302 | struct command_line *next; | |
303 | char *line; | |
304 | }; | |
305 | ||
d747e0af MT |
306 | extern struct command_line * |
307 | read_command_lines PARAMS ((void)); | |
308 | ||
309 | extern void | |
310 | free_command_lines PARAMS ((struct command_line **)); | |
bd5635a1 RP |
311 | |
312 | /* String containing the current directory (what getwd would return). */ | |
313 | ||
d747e0af | 314 | extern char *current_directory; |
bd5635a1 RP |
315 | |
316 | /* Default radixes for input and output. Only some values supported. */ | |
317 | extern unsigned input_radix; | |
318 | extern unsigned output_radix; | |
319 | ||
320 | /* Baud rate specified for communication with serial target systems. */ | |
d747e0af | 321 | extern char *baud_rate; |
bd5635a1 | 322 | |
0a5d35ed SG |
323 | /* Languages represented in the symbol table and elsewhere. */ |
324 | ||
325 | enum language | |
326 | { | |
327 | language_unknown, /* Language not known */ | |
328 | language_auto, /* Placeholder for automatic setting */ | |
329 | language_c, /* C */ | |
330 | language_cplus, /* C++ */ | |
331 | language_m2 /* Modula-2 */ | |
332 | }; | |
333 | ||
334 | /* Return a format string for printf that will print a number in the local | |
335 | (language-specific) hexadecimal format. Result is static and is | |
336 | overwritten by the next call. local_hex_format_custom takes printf | |
337 | options like "08" or "l" (to produce e.g. %08x or %lx). */ | |
338 | ||
339 | #define local_hex_format() (current_language->la_hex_format) | |
d747e0af MT |
340 | |
341 | extern char * | |
342 | local_hex_format_custom PARAMS ((char *)); /* language.c */ | |
0a5d35ed SG |
343 | |
344 | /* Return a string that contains a number formatted in the local | |
345 | (language-specific) hexadecimal format. Result is static and is | |
346 | overwritten by the next call. local_hex_string_custom takes printf | |
347 | options like "08" or "l". */ | |
348 | ||
d747e0af MT |
349 | extern char * |
350 | local_hex_string PARAMS ((int)); /* language.c */ | |
351 | ||
352 | extern char * | |
353 | local_hex_string_custom PARAMS ((int, char *)); /* language.c */ | |
354 | ||
0a5d35ed SG |
355 | \f |
356 | /* Host machine definition. This will be a symlink to one of the | |
357 | xm-*.h files, built by the `configure' script. */ | |
358 | ||
359 | #include "xm.h" | |
360 | ||
361 | /* | |
362 | * Allow things in gdb to be declared "const". If compiling ANSI, it | |
363 | * just works. If compiling with gcc but non-ansi, redefine to __const__. | |
364 | * If non-ansi, non-gcc, then eliminate "const" entirely, making those | |
365 | * objects be read-write rather than read-only. | |
366 | */ | |
367 | ||
368 | #ifndef const | |
369 | #ifndef __STDC__ | |
370 | # ifdef __GNUC__ | |
371 | # define const __const__ | |
372 | # else | |
373 | # define const /*nothing*/ | |
374 | # endif /* GNUC */ | |
375 | #endif /* STDC */ | |
376 | #endif /* const */ | |
377 | ||
378 | #ifndef volatile | |
379 | #ifndef __STDC__ | |
380 | # ifdef __GNUC__ | |
381 | # define volatile __volatile__ | |
382 | # else | |
383 | # define volatile /*nothing*/ | |
384 | # endif /* GNUC */ | |
385 | #endif /* STDC */ | |
386 | #endif /* volatile */ | |
387 | ||
d747e0af MT |
388 | /* Some compilers (many AT&T SVR4 compilers for instance), do not accept |
389 | declarations of functions that never return (exit for instance) as | |
390 | "volatile void". For such compilers "NORETURN" can be defined away | |
391 | to keep them happy */ | |
392 | ||
393 | #ifndef NORETURN | |
394 | # define NORETURN volatile | |
395 | #endif | |
396 | ||
0a5d35ed SG |
397 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */ |
398 | ||
bd5635a1 RP |
399 | #if !defined (UINT_MAX) |
400 | #define UINT_MAX 0xffffffff | |
401 | #endif | |
402 | ||
403 | #if !defined (LONG_MAX) | |
404 | #define LONG_MAX 0x7fffffff | |
405 | #endif | |
406 | ||
e1ce8aa5 JK |
407 | #if !defined (INT_MAX) |
408 | #define INT_MAX 0x7fffffff | |
409 | #endif | |
410 | ||
411 | #if !defined (INT_MIN) | |
412 | /* Two's complement, 32 bit. */ | |
413 | #define INT_MIN -0x80000000 | |
414 | #endif | |
415 | ||
e2aab031 FF |
416 | /* Number of bits in a char or unsigned char for the target machine. |
417 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ | |
bd5635a1 RP |
418 | #if !defined (TARGET_CHAR_BIT) |
419 | #define TARGET_CHAR_BIT 8 | |
420 | #endif | |
c1ace5b5 | 421 | |
e2aab031 FF |
422 | /* Number of bits in a short or unsigned short for the target machine. */ |
423 | #if !defined (TARGET_SHORT_BIT) | |
424 | #define TARGET_SHORT_BIT (sizeof (short) * TARGET_CHAR_BIT) | |
425 | #endif | |
426 | ||
427 | /* Number of bits in an int or unsigned int for the target machine. */ | |
428 | #if !defined (TARGET_INT_BIT) | |
429 | #define TARGET_INT_BIT (sizeof (int) * TARGET_CHAR_BIT) | |
430 | #endif | |
431 | ||
432 | /* Number of bits in a long or unsigned long for the target machine. */ | |
433 | #if !defined (TARGET_LONG_BIT) | |
434 | #define TARGET_LONG_BIT (sizeof (long) * TARGET_CHAR_BIT) | |
435 | #endif | |
436 | ||
437 | /* Number of bits in a long long or unsigned long long for the target machine. */ | |
d166df9b | 438 | #if !defined (TARGET_LONG_LONG_BIT) |
e2aab031 FF |
439 | #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT) |
440 | #endif | |
441 | ||
442 | /* Number of bits in a float for the target machine. */ | |
443 | #if !defined (TARGET_FLOAT_BIT) | |
444 | #define TARGET_FLOAT_BIT (sizeof (float) * TARGET_CHAR_BIT) | |
445 | #endif | |
446 | ||
447 | /* Number of bits in a double for the target machine. */ | |
448 | #if !defined (TARGET_DOUBLE_BIT) | |
449 | #define TARGET_DOUBLE_BIT (sizeof (double) * TARGET_CHAR_BIT) | |
450 | #endif | |
451 | ||
452 | /* Number of bits in a long double for the target machine. */ | |
453 | #if !defined (TARGET_LONG_DOUBLE_BIT) | |
454 | #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT) | |
455 | #endif | |
456 | ||
457 | /* Number of bits in a "complex" for the target machine. */ | |
458 | #if !defined (TARGET_COMPLEX_BIT) | |
459 | #define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT) | |
460 | #endif | |
461 | ||
462 | /* Number of bits in a "double complex" for the target machine. */ | |
463 | #if !defined (TARGET_DOUBLE_COMPLEX_BIT) | |
464 | #define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT) | |
d166df9b JK |
465 | #endif |
466 | ||
d747e0af MT |
467 | /* Number of bits in a pointer for the target machine */ |
468 | #if !defined (TARGET_PTR_BIT) | |
469 | #define TARGET_PTR_BIT TARGET_INT_BIT | |
470 | #endif | |
471 | ||
e1ce8aa5 JK |
472 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number |
473 | of arguments to a function, number in a value history, register | |
474 | number, etc.) where the value must not be larger than can fit | |
475 | in an int. */ | |
476 | #if !defined (longest_to_int) | |
477 | #if defined (LONG_LONG) | |
478 | #define longest_to_int(x) (((x) > INT_MAX || (x) < INT_MIN) \ | |
479 | ? error ("Value out of range.") : (int) (x)) | |
480 | #else /* No LONG_LONG. */ | |
481 | /* Assume sizeof (int) == sizeof (long). */ | |
482 | #define longest_to_int(x) ((int) (x)) | |
483 | #endif /* No LONG_LONG. */ | |
484 | #endif /* No longest_to_int. */ | |
485 | ||
d747e0af MT |
486 | /* This should not be a typedef, because "unsigned LONGEST" needs |
487 | to work. LONG_LONG is defined if the host has "long long". */ | |
488 | ||
489 | #ifndef LONGEST | |
490 | # ifdef LONG_LONG | |
491 | # define LONGEST long long | |
492 | # else | |
493 | # define LONGEST long | |
494 | # endif | |
495 | #endif | |
496 | ||
0a5d35ed SG |
497 | /* Assorted functions we can declare, now that const and volatile are |
498 | defined. */ | |
d747e0af MT |
499 | |
500 | extern char * | |
501 | savestring PARAMS ((const char *, int)); | |
502 | ||
503 | extern char * | |
504 | strsave PARAMS ((const char *)); | |
505 | ||
506 | extern char * | |
507 | concat PARAMS ((char *, ...)); | |
508 | ||
509 | extern PTR | |
510 | xmalloc PARAMS ((long)); | |
511 | ||
512 | extern PTR | |
513 | xrealloc PARAMS ((char *, long)); | |
514 | ||
515 | extern int | |
516 | parse_escape PARAMS ((char **)); | |
517 | ||
518 | extern char *reg_names[]; | |
519 | ||
520 | extern NORETURN void /* Does not return to the caller. */ | |
521 | error (); | |
522 | ||
523 | extern NORETURN void /* Does not return to the caller. */ | |
524 | fatal (); | |
525 | ||
526 | extern NORETURN void /* Not specified as volatile in ... */ | |
527 | exit PARAMS ((int)); /* 4.10.4.3 */ | |
528 | ||
529 | extern NORETURN void /* Does not return to the caller. */ | |
530 | return_to_top_level PARAMS ((void)); | |
531 | ||
532 | extern void | |
533 | warning_setup PARAMS ((void)); | |
534 | ||
535 | extern void | |
536 | warning (); | |
537 | ||
538 | /* Global functions from other, non-gdb GNU thingies (libiberty for | |
539 | instance) */ | |
540 | ||
541 | extern char * | |
542 | basename PARAMS ((char *)); | |
543 | ||
544 | extern char * | |
545 | getenv PARAMS ((CONST char *)); | |
546 | ||
547 | extern char ** | |
548 | buildargv PARAMS ((char *)); | |
549 | ||
550 | extern void | |
551 | freeargv PARAMS ((char **)); | |
552 | ||
553 | /* For now, we can't include <stdlib.h> because it conflicts with | |
554 | "../include/getopt.h". (FIXME) | |
555 | ||
556 | However, since any prototypes for any functions defined in the ANSI | |
557 | specific, defined in any header files in an ANSI conforming environment, | |
558 | must match those in the ANSI standard, we can just duplicate them here | |
559 | since they must be the same in all conforming ANSI environments. If | |
560 | these cause problems, then the environment is not ANSI conformant. */ | |
561 | ||
0a5d35ed | 562 | #ifdef __STDC__ |
d747e0af | 563 | #include <stddef.h> |
0a5d35ed | 564 | #endif |
d747e0af MT |
565 | |
566 | extern int | |
567 | fclose PARAMS ((FILE *stream)); /* 4.9.5.1 */ | |
568 | ||
569 | extern double | |
570 | atof PARAMS ((const char *nptr)); /* 4.10.1.1 */ | |
571 | ||
572 | #ifndef MALLOC_INCOMPATIBLE | |
573 | extern PTR | |
574 | malloc PARAMS ((size_t size)); /* 4.10.3.3 */ | |
575 | ||
576 | extern PTR | |
577 | realloc PARAMS ((void *ptr, size_t size)); /* 4.10.3.4 */ | |
578 | ||
579 | extern void | |
580 | free PARAMS ((void *)); /* 4.10.3.2 */ | |
581 | #endif | |
582 | ||
583 | extern void | |
584 | qsort PARAMS ((void *base, size_t nmemb, /* 4.10.5.2 */ | |
585 | size_t size, | |
586 | int (*comp)(const void *, const void *))); | |
587 | ||
588 | extern char * | |
589 | strchr PARAMS ((const char *, int)); /* 4.11.5.2 */ | |
590 | ||
591 | extern char * | |
592 | strrchr PARAMS ((const char *, int)); /* 4.11.5.5 */ | |
593 | ||
594 | extern char * | |
595 | strtok PARAMS ((char *, const char *)); /* 4.11.5.8 */ | |
596 | ||
597 | extern char * | |
598 | strerror PARAMS ((int)); /* 4.11.6.2 */ | |
e2aab031 | 599 | |
0a5d35ed SG |
600 | /* Various possibilities for alloca. */ |
601 | #ifndef alloca | |
602 | # ifdef __GNUC__ | |
603 | # define alloca __builtin_alloca | |
604 | # else | |
605 | # ifdef sparc | |
606 | # include <alloca.h> | |
607 | # endif | |
608 | extern char *alloca (); | |
609 | # endif | |
610 | #endif | |
e2aab031 | 611 | |
0a5d35ed | 612 | /* TARGET_BYTE_ORDER and HOST_BYTE_ORDER should be defined to one of these. */ |
a10c0d36 | 613 | |
0a5d35ed SG |
614 | #if !defined (BIG_ENDIAN) |
615 | #define BIG_ENDIAN 4321 | |
616 | #endif | |
a10c0d36 | 617 | |
0a5d35ed SG |
618 | #if !defined (LITTLE_ENDIAN) |
619 | #define LITTLE_ENDIAN 1234 | |
620 | #endif | |
a10c0d36 | 621 | |
0a5d35ed | 622 | /* Target-system-dependent parameters for GDB. |
7d9884b9 JG |
623 | |
624 | The standard thing is to include defs.h. However, files that are | |
625 | specific to a particular target can define TM_FILE_OVERRIDE before | |
626 | including defs.h, then can include any particular tm-file they desire. */ | |
627 | ||
628 | /* Target machine definition. This will be a symlink to one of the | |
629 | tm-*.h files, built by the `configure' script. */ | |
630 | ||
631 | #ifndef TM_FILE_OVERRIDE | |
632 | #include "tm.h" | |
633 | #endif | |
634 | ||
7d9884b9 JG |
635 | /* The bit byte-order has to do just with numbering of bits in |
636 | debugging symbols and such. Conceptually, it's quite separate | |
637 | from byte/word byte order. */ | |
638 | ||
639 | #if !defined (BITS_BIG_ENDIAN) | |
640 | #if TARGET_BYTE_ORDER == BIG_ENDIAN | |
641 | #define BITS_BIG_ENDIAN 1 | |
642 | #endif /* Big endian. */ | |
643 | ||
644 | #if TARGET_BYTE_ORDER == LITTLE_ENDIAN | |
645 | #define BITS_BIG_ENDIAN 0 | |
646 | #endif /* Little endian. */ | |
647 | #endif /* BITS_BIG_ENDIAN not defined. */ | |
648 | ||
649 | /* Swap LEN bytes at BUFFER between target and host byte-order. */ | |
650 | #if TARGET_BYTE_ORDER == HOST_BYTE_ORDER | |
651 | #define SWAP_TARGET_AND_HOST(buffer,len) | |
652 | #else /* Target and host byte order differ. */ | |
653 | #define SWAP_TARGET_AND_HOST(buffer,len) \ | |
654 | { \ | |
655 | char tmp; \ | |
656 | char *p = (char *)(buffer); \ | |
657 | char *q = ((char *)(buffer)) + len - 1; \ | |
658 | for (; p < q; p++, q--) \ | |
659 | { \ | |
660 | tmp = *q; \ | |
661 | *q = *p; \ | |
662 | *p = tmp; \ | |
663 | } \ | |
664 | } | |
665 | #endif /* Target and host byte order differ. */ | |
666 | ||
667 | /* On some machines there are bits in addresses which are not really | |
668 | part of the address, but are used by the kernel, the hardware, etc. | |
669 | for special purposes. ADDR_BITS_REMOVE takes out any such bits | |
670 | so we get a "real" address such as one would find in a symbol | |
671 | table. ADDR_BITS_SET sets those bits the way the system wants | |
672 | them. */ | |
673 | #if !defined (ADDR_BITS_REMOVE) | |
674 | #define ADDR_BITS_REMOVE(addr) (addr) | |
675 | #define ADDR_BITS_SET(addr) (addr) | |
676 | #endif /* No ADDR_BITS_REMOVE. */ | |
677 | ||
678 | #if !defined (SYS_SIGLIST_MISSING) | |
679 | #define SYS_SIGLIST_MISSING defined (USG) | |
680 | #endif /* No SYS_SIGLIST_MISSING */ | |
a10c0d36 | 681 | |
d747e0af MT |
682 | /* From valops.c */ |
683 | ||
684 | extern CORE_ADDR | |
685 | push_bytes PARAMS ((CORE_ADDR, char *, int)); | |
686 | ||
687 | /* In some modules, we don't have a definition of REGISTER_TYPE yet, so we | |
688 | must avoid prototyping this function for now. FIXME. Should be: | |
689 | extern CORE_ADDR | |
690 | push_word PARAMS ((CORE_ADDR, REGISTER_TYPE)); | |
691 | */ | |
692 | extern CORE_ADDR | |
693 | push_word (); | |
694 | ||
695 | #endif /* !defined (DEFS_H) */ |