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 | |
debd3443 | 26 | here and in all subsequent file inclusions. */ |
d747e0af MT |
27 | |
28 | #include "ansidecl.h" | |
29 | ||
bd5635a1 RP |
30 | /* An address in the program being debugged. Host byte order. */ |
31 | typedef unsigned int CORE_ADDR; | |
32 | ||
33 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
34 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
35 | ||
2e4964ad FF |
36 | /* Gdb does *lots* of string compares. Use macros to speed them up by |
37 | avoiding function calls if the first characters are not the same. */ | |
38 | ||
bd5d07d9 | 39 | #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b)) |
2e4964ad FF |
40 | #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0) |
41 | #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0) | |
42 | ||
dd577ca5 | 43 | /* The character GNU C++ uses to build identifiers that must be unique from |
bd5635a1 RP |
44 | the program's identifiers (such as $this and $$vptr). */ |
45 | #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */ | |
46 | ||
e146177e | 47 | #include <errno.h> /* System call error return status */ |
bd5635a1 RP |
48 | |
49 | extern int quit_flag; | |
50 | extern int immediate_quit; | |
51b80b00 | 51 | extern int sevenbit_strings; |
d747e0af MT |
52 | |
53 | extern void | |
54 | quit PARAMS ((void)); | |
bd5635a1 RP |
55 | |
56 | #define QUIT { if (quit_flag) quit (); } | |
57 | ||
e58de8a2 FF |
58 | /* Command classes are top-level categories into which commands are broken |
59 | down for "help" purposes. | |
60 | Notes on classes: class_alias is for alias commands which are not | |
61 | abbreviations of the original command. class-pseudo is for commands | |
62 | which are not really commands nor help topics ("stop"). */ | |
bd5635a1 RP |
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, | |
e58de8a2 FF |
71 | class_alias, class_obscure, class_user, class_maintenance, |
72 | class_pseudo | |
bd5635a1 RP |
73 | }; |
74 | ||
bd5d07d9 FF |
75 | /* Languages represented in the symbol table and elsewhere. |
76 | This should probably be in language.h, but since enum's can't | |
77 | be forward declared to satisfy opaque references before their | |
78 | actual definition, needs to be here. */ | |
79 | ||
80 | enum language | |
81 | { | |
82 | language_unknown, /* Language not known */ | |
83 | language_auto, /* Placeholder for automatic setting */ | |
84 | language_c, /* C */ | |
85 | language_cplus, /* C++ */ | |
bd5d07d9 | 86 | language_chill, /* Chill */ |
bd5d07d9 FF |
87 | language_m2 /* Modula-2 */ |
88 | }; | |
89 | ||
bd5635a1 RP |
90 | /* the cleanup list records things that have to be undone |
91 | if an error happens (descriptors to be closed, memory to be freed, etc.) | |
92 | Each link in the chain records a function to call and an | |
93 | argument to give it. | |
94 | ||
95 | Use make_cleanup to add an element to the cleanup chain. | |
96 | Use do_cleanups to do all cleanup actions back to a given | |
97 | point in the chain. Use discard_cleanups to remove cleanups | |
98 | from the chain back to a given point, not doing them. */ | |
99 | ||
100 | struct cleanup | |
101 | { | |
102 | struct cleanup *next; | |
d747e0af MT |
103 | void (*function) PARAMS ((PTR)); |
104 | PTR arg; | |
bd5635a1 RP |
105 | }; |
106 | ||
d747e0af MT |
107 | /* From blockframe.c */ |
108 | ||
109 | extern int | |
e146177e | 110 | inside_entry_func PARAMS ((CORE_ADDR)); |
d747e0af MT |
111 | |
112 | extern int | |
e146177e | 113 | inside_entry_file PARAMS ((CORE_ADDR addr)); |
d747e0af MT |
114 | |
115 | extern int | |
e146177e | 116 | inside_main_func PARAMS ((CORE_ADDR pc)); |
d747e0af | 117 | |
7532cf10 FF |
118 | /* From ch-lang.c, for the moment. (FIXME) */ |
119 | ||
120 | extern char * | |
121 | chill_demangle PARAMS ((const char *)); | |
7532cf10 | 122 | |
2e4964ad | 123 | /* From libiberty.a */ |
d747e0af MT |
124 | |
125 | extern char * | |
126 | cplus_demangle PARAMS ((const char *, int)); | |
127 | ||
128 | extern char * | |
129 | cplus_mangle_opname PARAMS ((char *, int)); | |
130 | ||
318bf84f | 131 | /* From libmmalloc.a (memory mapped malloc library) */ |
d747e0af MT |
132 | |
133 | extern PTR | |
318bf84f | 134 | mmalloc_attach PARAMS ((int, PTR)); |
d747e0af MT |
135 | |
136 | extern PTR | |
318bf84f | 137 | mmalloc_detach PARAMS ((PTR)); |
d747e0af MT |
138 | |
139 | extern PTR | |
318bf84f | 140 | mmalloc PARAMS ((PTR, long)); |
d747e0af MT |
141 | |
142 | extern PTR | |
318bf84f | 143 | mrealloc PARAMS ((PTR, PTR, long)); |
d747e0af MT |
144 | |
145 | extern void | |
318bf84f | 146 | mfree PARAMS ((PTR, PTR)); |
d747e0af | 147 | |
318bf84f FF |
148 | extern int |
149 | mmalloc_setkey PARAMS ((PTR, int, PTR)); | |
d747e0af MT |
150 | |
151 | extern PTR | |
318bf84f | 152 | mmalloc_getkey PARAMS ((PTR, int)); |
d747e0af MT |
153 | |
154 | /* From utils.c */ | |
155 | ||
d630b615 FF |
156 | extern int |
157 | strcmp_iw PARAMS ((const char *, const char *)); | |
158 | ||
e146177e SEF |
159 | extern char * |
160 | safe_strerror PARAMS ((int)); | |
161 | ||
162 | extern char * | |
163 | safe_strsignal PARAMS ((int)); | |
164 | ||
d747e0af | 165 | extern void |
e3c16900 | 166 | init_malloc PARAMS ((void *)); |
d747e0af MT |
167 | |
168 | extern void | |
169 | request_quit PARAMS ((int)); | |
170 | ||
171 | extern void | |
172 | do_cleanups PARAMS ((struct cleanup *)); | |
173 | ||
174 | extern void | |
175 | discard_cleanups PARAMS ((struct cleanup *)); | |
176 | ||
177 | /* The bare make_cleanup function is one of those rare beasts that | |
178 | takes almost any type of function as the first arg and anything that | |
179 | will fit in a "void *" as the second arg. | |
180 | ||
181 | Should be, once all calls and called-functions are cleaned up: | |
182 | extern struct cleanup * | |
183 | make_cleanup PARAMS ((void (*function) (PTR), PTR)); | |
184 | ||
185 | Until then, lint and/or various type-checking compiler options will | |
186 | complain about make_cleanup calls. It'd be wrong to just cast things, | |
187 | since the type actually passed when the function is called would be | |
188 | wrong. */ | |
189 | ||
190 | extern struct cleanup * | |
191 | make_cleanup (); | |
192 | ||
193 | extern struct cleanup * | |
194 | save_cleanups PARAMS ((void)); | |
195 | ||
196 | extern void | |
197 | restore_cleanups PARAMS ((struct cleanup *)); | |
198 | ||
199 | extern void | |
200 | free_current_contents PARAMS ((char **)); | |
201 | ||
202 | extern void | |
203 | null_cleanup PARAMS ((char **)); | |
204 | ||
205 | extern int | |
206 | myread PARAMS ((int, char *, int)); | |
207 | ||
208 | extern int | |
209 | query (); | |
210 | ||
51b80b00 FF |
211 | extern void |
212 | begin_line PARAMS ((void)); | |
213 | ||
d747e0af MT |
214 | extern void |
215 | wrap_here PARAMS ((char *)); | |
216 | ||
217 | extern void | |
218 | reinitialize_more_filter PARAMS ((void)); | |
219 | ||
220 | extern int | |
221 | print_insn PARAMS ((CORE_ADDR, FILE *)); | |
222 | ||
223 | extern void | |
224 | fputs_filtered PARAMS ((const char *, FILE *)); | |
225 | ||
226 | extern void | |
227 | puts_filtered PARAMS ((char *)); | |
228 | ||
51b80b00 FF |
229 | extern void |
230 | vprintf_filtered (); | |
231 | ||
a8e033f2 | 232 | extern void |
4dba98fb | 233 | vfprintf_filtered (); |
a8e033f2 | 234 | |
d747e0af MT |
235 | extern void |
236 | fprintf_filtered (); | |
237 | ||
a8e033f2 SG |
238 | extern void |
239 | fprintfi_filtered (); | |
240 | ||
d747e0af MT |
241 | extern void |
242 | printf_filtered (); | |
243 | ||
a8e033f2 SG |
244 | extern void |
245 | printfi_filtered (); | |
246 | ||
d747e0af MT |
247 | extern void |
248 | print_spaces PARAMS ((int, FILE *)); | |
249 | ||
250 | extern void | |
251 | print_spaces_filtered PARAMS ((int, FILE *)); | |
252 | ||
253 | extern char * | |
254 | n_spaces PARAMS ((int)); | |
255 | ||
256 | extern void | |
51b80b00 | 257 | gdb_printchar PARAMS ((int, FILE *, int)); |
d747e0af MT |
258 | |
259 | extern void | |
5aefc1ca | 260 | fprintf_symbol_filtered PARAMS ((FILE *, char *, enum language, int)); |
d747e0af MT |
261 | |
262 | extern void | |
263 | perror_with_name PARAMS ((char *)); | |
264 | ||
265 | extern void | |
266 | print_sys_errmsg PARAMS ((char *, int)); | |
267 | ||
268 | /* From regex.c */ | |
269 | ||
270 | extern char * | |
271 | re_comp PARAMS ((char *)); | |
272 | ||
273 | /* From symfile.c */ | |
274 | ||
275 | extern void | |
276 | symbol_file_command PARAMS ((char *, int)); | |
277 | ||
278 | /* From main.c */ | |
279 | ||
d630b615 FF |
280 | extern char * |
281 | skip_quoted PARAMS ((char *)); | |
282 | ||
d747e0af MT |
283 | extern char * |
284 | gdb_readline PARAMS ((char *)); | |
285 | ||
286 | extern char * | |
287 | command_line_input PARAMS ((char *, int)); | |
288 | ||
289 | extern void | |
290 | print_prompt PARAMS ((void)); | |
291 | ||
292 | extern int | |
293 | batch_mode PARAMS ((void)); | |
294 | ||
295 | extern int | |
296 | input_from_terminal_p PARAMS ((void)); | |
297 | ||
bd5635a1 | 298 | /* From printcmd.c */ |
d747e0af MT |
299 | |
300 | extern void | |
301 | set_next_address PARAMS ((CORE_ADDR)); | |
302 | ||
303 | extern void | |
304 | print_address_symbolic PARAMS ((CORE_ADDR, FILE *, int, char *)); | |
305 | ||
306 | extern void | |
307 | print_address PARAMS ((CORE_ADDR, FILE *)); | |
bd5635a1 | 308 | |
e1ce8aa5 | 309 | /* From source.c */ |
d747e0af MT |
310 | |
311 | extern int | |
312 | openp PARAMS ((char *, int, char *, int, int, char **)); | |
313 | ||
314 | extern void | |
315 | mod_path PARAMS ((char *, char **)); | |
316 | ||
317 | extern void | |
318 | directory_command PARAMS ((char *, int)); | |
319 | ||
320 | extern void | |
321 | init_source_path PARAMS ((void)); | |
322 | ||
323 | /* From findvar.c */ | |
324 | ||
325 | extern int | |
326 | read_relative_register_raw_bytes PARAMS ((int, char *)); | |
e1ce8aa5 | 327 | |
bd5635a1 | 328 | /* From readline (but not in any readline .h files). */ |
d747e0af MT |
329 | |
330 | extern char * | |
331 | tilde_expand PARAMS ((char *)); | |
bd5635a1 RP |
332 | |
333 | /* Structure for saved commands lines | |
334 | (for breakpoints, defined commands, etc). */ | |
335 | ||
336 | struct command_line | |
337 | { | |
338 | struct command_line *next; | |
339 | char *line; | |
340 | }; | |
341 | ||
d747e0af MT |
342 | extern struct command_line * |
343 | read_command_lines PARAMS ((void)); | |
344 | ||
345 | extern void | |
346 | free_command_lines PARAMS ((struct command_line **)); | |
bd5635a1 RP |
347 | |
348 | /* String containing the current directory (what getwd would return). */ | |
349 | ||
d747e0af | 350 | extern char *current_directory; |
bd5635a1 RP |
351 | |
352 | /* Default radixes for input and output. Only some values supported. */ | |
353 | extern unsigned input_radix; | |
354 | extern unsigned output_radix; | |
355 | ||
356 | /* Baud rate specified for communication with serial target systems. */ | |
d747e0af | 357 | extern char *baud_rate; |
bd5635a1 | 358 | |
a8a69e63 FF |
359 | /* Possibilities for prettyprint parameters to routines which print |
360 | things. Like enum language, this should be in value.h, but needs | |
361 | to be here for the same reason. FIXME: If we can eliminate this | |
362 | as an arg to LA_VAL_PRINT, then we can probably move it back to | |
363 | value.h. */ | |
364 | ||
365 | enum val_prettyprint | |
366 | { | |
367 | Val_no_prettyprint = 0, | |
368 | Val_prettyprint, | |
369 | /* Use the default setting which the user has specified. */ | |
370 | Val_pretty_default | |
371 | }; | |
372 | ||
0a5d35ed SG |
373 | \f |
374 | /* Host machine definition. This will be a symlink to one of the | |
375 | xm-*.h files, built by the `configure' script. */ | |
376 | ||
377 | #include "xm.h" | |
378 | ||
e58de8a2 FF |
379 | /* Native machine support. This will be a symlink to one of the |
380 | nm-*.h files, built by the `configure' script. */ | |
381 | ||
382 | #include "nm.h" | |
383 | ||
e146177e SEF |
384 | /* If the xm.h file did not define the mode string used to open the |
385 | files, assume that binary files are opened the same way as text | |
386 | files */ | |
387 | #ifndef FOPEN_RB | |
388 | #include "fopen-same.h" | |
389 | #endif | |
390 | ||
0a5d35ed SG |
391 | /* |
392 | * Allow things in gdb to be declared "const". If compiling ANSI, it | |
393 | * just works. If compiling with gcc but non-ansi, redefine to __const__. | |
394 | * If non-ansi, non-gcc, then eliminate "const" entirely, making those | |
395 | * objects be read-write rather than read-only. | |
396 | */ | |
397 | ||
398 | #ifndef const | |
399 | #ifndef __STDC__ | |
400 | # ifdef __GNUC__ | |
401 | # define const __const__ | |
402 | # else | |
403 | # define const /*nothing*/ | |
404 | # endif /* GNUC */ | |
405 | #endif /* STDC */ | |
406 | #endif /* const */ | |
407 | ||
408 | #ifndef volatile | |
409 | #ifndef __STDC__ | |
410 | # ifdef __GNUC__ | |
411 | # define volatile __volatile__ | |
412 | # else | |
413 | # define volatile /*nothing*/ | |
414 | # endif /* GNUC */ | |
415 | #endif /* STDC */ | |
416 | #endif /* volatile */ | |
417 | ||
e3c16900 JK |
418 | #if 1 |
419 | #define NORETURN /*nothing*/ | |
420 | #else /* not 1 */ | |
421 | /* FIXME: This is bogus. Having "volatile void" mean a function doesn't | |
422 | return is a gcc extension and should be based on #ifdef __GNUC__. | |
423 | Also, as of Sep 93 I'm told gcc is changing the syntax for ansi | |
424 | reasons (so declaring exit here as "volatile void" and as "void" in | |
425 | a system header loses). Using the new "__attributes__ ((noreturn));" | |
426 | syntax would lose for old versions of gcc; using | |
427 | typedef void exit_fn_type PARAMS ((int)); | |
428 | volatile exit_fn_type exit; | |
429 | would win. */ | |
d747e0af MT |
430 | /* Some compilers (many AT&T SVR4 compilers for instance), do not accept |
431 | declarations of functions that never return (exit for instance) as | |
432 | "volatile void". For such compilers "NORETURN" can be defined away | |
433 | to keep them happy */ | |
434 | ||
435 | #ifndef NORETURN | |
e676a15f FF |
436 | # ifdef __lucid |
437 | # define NORETURN /*nothing*/ | |
438 | # else | |
439 | # define NORETURN volatile | |
440 | # endif | |
d747e0af | 441 | #endif |
e3c16900 | 442 | #endif /* not 1 */ |
d747e0af | 443 | |
0a5d35ed SG |
444 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */ |
445 | ||
bd5635a1 | 446 | #if !defined (UINT_MAX) |
38dc5e12 | 447 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ |
bd5635a1 RP |
448 | #endif |
449 | ||
e1ce8aa5 | 450 | #if !defined (INT_MAX) |
dd577ca5 | 451 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
e1ce8aa5 JK |
452 | #endif |
453 | ||
454 | #if !defined (INT_MIN) | |
38dc5e12 SG |
455 | #define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */ |
456 | #endif | |
457 | ||
458 | #if !defined (ULONG_MAX) | |
459 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ | |
460 | #endif | |
461 | ||
462 | #if !defined (LONG_MAX) | |
463 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ | |
e1ce8aa5 JK |
464 | #endif |
465 | ||
e2aab031 FF |
466 | /* Number of bits in a char or unsigned char for the target machine. |
467 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ | |
bd5635a1 RP |
468 | #if !defined (TARGET_CHAR_BIT) |
469 | #define TARGET_CHAR_BIT 8 | |
470 | #endif | |
c1ace5b5 | 471 | |
e2aab031 FF |
472 | /* Number of bits in a short or unsigned short for the target machine. */ |
473 | #if !defined (TARGET_SHORT_BIT) | |
474 | #define TARGET_SHORT_BIT (sizeof (short) * TARGET_CHAR_BIT) | |
475 | #endif | |
476 | ||
477 | /* Number of bits in an int or unsigned int for the target machine. */ | |
478 | #if !defined (TARGET_INT_BIT) | |
479 | #define TARGET_INT_BIT (sizeof (int) * TARGET_CHAR_BIT) | |
480 | #endif | |
481 | ||
482 | /* Number of bits in a long or unsigned long for the target machine. */ | |
483 | #if !defined (TARGET_LONG_BIT) | |
484 | #define TARGET_LONG_BIT (sizeof (long) * TARGET_CHAR_BIT) | |
485 | #endif | |
486 | ||
487 | /* Number of bits in a long long or unsigned long long for the target machine. */ | |
d166df9b | 488 | #if !defined (TARGET_LONG_LONG_BIT) |
e2aab031 FF |
489 | #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT) |
490 | #endif | |
491 | ||
492 | /* Number of bits in a float for the target machine. */ | |
493 | #if !defined (TARGET_FLOAT_BIT) | |
494 | #define TARGET_FLOAT_BIT (sizeof (float) * TARGET_CHAR_BIT) | |
495 | #endif | |
496 | ||
497 | /* Number of bits in a double for the target machine. */ | |
498 | #if !defined (TARGET_DOUBLE_BIT) | |
499 | #define TARGET_DOUBLE_BIT (sizeof (double) * TARGET_CHAR_BIT) | |
500 | #endif | |
501 | ||
502 | /* Number of bits in a long double for the target machine. */ | |
503 | #if !defined (TARGET_LONG_DOUBLE_BIT) | |
504 | #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT) | |
505 | #endif | |
506 | ||
507 | /* Number of bits in a "complex" for the target machine. */ | |
508 | #if !defined (TARGET_COMPLEX_BIT) | |
509 | #define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT) | |
510 | #endif | |
511 | ||
512 | /* Number of bits in a "double complex" for the target machine. */ | |
513 | #if !defined (TARGET_DOUBLE_COMPLEX_BIT) | |
514 | #define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT) | |
d166df9b JK |
515 | #endif |
516 | ||
d747e0af MT |
517 | /* Number of bits in a pointer for the target machine */ |
518 | #if !defined (TARGET_PTR_BIT) | |
519 | #define TARGET_PTR_BIT TARGET_INT_BIT | |
520 | #endif | |
521 | ||
7efb57c3 FF |
522 | /* Default to support for "long long" if the host compiler being used is gcc. |
523 | Config files must define CC_HAS_LONG_LONG to use other host compilers | |
524 | that are capable of supporting "long long", and to cause gdb to use that | |
525 | support. Not defining CC_HAS_LONG_LONG will suppress use of "long long" | |
526 | regardless of what compiler is used. | |
527 | ||
528 | FIXME: For now, automatic selection of "long long" as the default when | |
529 | gcc is used is disabled, pending further testing. Concerns include the | |
530 | impact on gdb performance and the universality of bugfree long long | |
531 | support on platforms that do have gcc. Compiling with FORCE_LONG_LONG | |
532 | will select "long long" use for testing purposes. -fnf */ | |
533 | ||
534 | #ifndef CC_HAS_LONG_LONG | |
535 | # if defined (__GNUC__) && defined (FORCE_LONG_LONG) /* See FIXME above */ | |
536 | # define CC_HAS_LONG_LONG 1 | |
537 | # endif | |
538 | #endif | |
539 | ||
540 | /* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work. | |
541 | CC_HAS_LONG_LONG is defined if the host compiler supports "long long" | |
542 | variables and we wish to make use of that support. */ | |
d747e0af MT |
543 | |
544 | #ifndef LONGEST | |
7efb57c3 FF |
545 | # ifdef CC_HAS_LONG_LONG |
546 | # define LONGEST long long | |
547 | # else | |
548 | # define LONGEST long | |
549 | # endif | |
550 | #endif | |
551 | ||
552 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
553 | arguments to a function, number in a value history, register number, etc.) | |
554 | where the value must not be larger than can fit in an int. */ | |
555 | ||
556 | #ifndef longest_to_int | |
557 | # ifdef CC_HAS_LONG_LONG | |
558 | # define longest_to_int(x) (((x) > INT_MAX || (x) < INT_MIN) \ | |
559 | ? (error ("Value out of range."),0) : (int) (x)) | |
560 | # else | |
561 | /* Assume sizeof (int) == sizeof (long). */ | |
562 | # define longest_to_int(x) ((int) (x)) | |
563 | # endif | |
d747e0af MT |
564 | #endif |
565 | ||
bd5d07d9 FF |
566 | /* If we picked up a copy of CHAR_BIT from a configuration file |
567 | (which may get it by including <limits.h>) then use it to set | |
568 | the number of bits in a host char. If not, use the same size | |
569 | as the target. */ | |
570 | ||
571 | #if defined (CHAR_BIT) | |
572 | #define HOST_CHAR_BIT CHAR_BIT | |
573 | #else | |
574 | #define HOST_CHAR_BIT TARGET_CHAR_BIT | |
575 | #endif | |
576 | ||
0a5d35ed SG |
577 | /* Assorted functions we can declare, now that const and volatile are |
578 | defined. */ | |
d747e0af MT |
579 | |
580 | extern char * | |
581 | savestring PARAMS ((const char *, int)); | |
582 | ||
318bf84f FF |
583 | extern char * |
584 | msavestring PARAMS ((void *, const char *, int)); | |
585 | ||
d747e0af MT |
586 | extern char * |
587 | strsave PARAMS ((const char *)); | |
588 | ||
318bf84f FF |
589 | extern char * |
590 | mstrsave PARAMS ((void *, const char *)); | |
591 | ||
d747e0af MT |
592 | extern char * |
593 | concat PARAMS ((char *, ...)); | |
594 | ||
595 | extern PTR | |
596 | xmalloc PARAMS ((long)); | |
597 | ||
598 | extern PTR | |
318bf84f FF |
599 | xrealloc PARAMS ((PTR, long)); |
600 | ||
601 | extern PTR | |
602 | xmmalloc PARAMS ((PTR, long)); | |
603 | ||
604 | extern PTR | |
605 | xmrealloc PARAMS ((PTR, PTR, long)); | |
606 | ||
607 | extern PTR | |
608 | mmalloc PARAMS ((PTR, long)); | |
609 | ||
610 | extern PTR | |
611 | mrealloc PARAMS ((PTR, PTR, long)); | |
612 | ||
613 | extern void | |
614 | mfree PARAMS ((PTR, PTR)); | |
615 | ||
616 | extern int | |
617 | mmcheck PARAMS ((PTR, void (*) (void))); | |
618 | ||
619 | extern int | |
620 | mmtrace PARAMS ((void)); | |
d747e0af MT |
621 | |
622 | extern int | |
623 | parse_escape PARAMS ((char **)); | |
624 | ||
e676a15f | 625 | extern const char * const reg_names[]; |
d747e0af MT |
626 | |
627 | extern NORETURN void /* Does not return to the caller. */ | |
628 | error (); | |
629 | ||
630 | extern NORETURN void /* Does not return to the caller. */ | |
631 | fatal (); | |
632 | ||
633 | extern NORETURN void /* Not specified as volatile in ... */ | |
634 | exit PARAMS ((int)); /* 4.10.4.3 */ | |
635 | ||
318bf84f FF |
636 | extern NORETURN void /* Does not return to the caller. */ |
637 | nomem PARAMS ((long)); | |
638 | ||
2fcdae93 PS |
639 | /* Reasons for calling return_to_top_level. */ |
640 | enum return_reason { | |
641 | /* User interrupt. */ | |
642 | RETURN_QUIT, | |
643 | ||
644 | /* Any other error. */ | |
645 | RETURN_ERROR | |
646 | }; | |
647 | ||
648 | #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT) | |
649 | #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR) | |
650 | #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR) | |
651 | typedef int return_mask; | |
652 | ||
d747e0af | 653 | extern NORETURN void /* Does not return to the caller. */ |
2fcdae93 PS |
654 | return_to_top_level PARAMS ((enum return_reason)); |
655 | ||
656 | extern int catch_errors PARAMS ((int (*) (char *), void *, char *, | |
657 | return_mask)); | |
d747e0af MT |
658 | |
659 | extern void | |
660 | warning_setup PARAMS ((void)); | |
661 | ||
662 | extern void | |
663 | warning (); | |
664 | ||
665 | /* Global functions from other, non-gdb GNU thingies (libiberty for | |
666 | instance) */ | |
667 | ||
668 | extern char * | |
669 | basename PARAMS ((char *)); | |
670 | ||
671 | extern char * | |
a8e033f2 | 672 | getenv PARAMS ((const char *)); |
d747e0af MT |
673 | |
674 | extern char ** | |
675 | buildargv PARAMS ((char *)); | |
676 | ||
677 | extern void | |
678 | freeargv PARAMS ((char **)); | |
679 | ||
e146177e SEF |
680 | extern char * |
681 | strerrno PARAMS ((int)); | |
682 | ||
683 | extern char * | |
684 | strsigno PARAMS ((int)); | |
685 | ||
686 | extern int | |
687 | errno_max PARAMS ((void)); | |
688 | ||
689 | extern int | |
690 | signo_max PARAMS ((void)); | |
691 | ||
692 | extern int | |
693 | strtoerrno PARAMS ((char *)); | |
694 | ||
695 | extern int | |
696 | strtosigno PARAMS ((char *)); | |
697 | ||
698 | extern char * | |
699 | strsignal PARAMS ((int)); | |
700 | ||
701 | /* From other system libraries */ | |
702 | ||
703 | #ifndef PSIGNAL_IN_SIGNAL_H | |
704 | extern void | |
7efb57c3 | 705 | psignal PARAMS ((unsigned, const char *)); |
e146177e SEF |
706 | #endif |
707 | ||
d747e0af MT |
708 | /* For now, we can't include <stdlib.h> because it conflicts with |
709 | "../include/getopt.h". (FIXME) | |
710 | ||
318bf84f FF |
711 | However, if a function is defined in the ANSI C standard and a prototype |
712 | for that function is defined and visible in any header file in an ANSI | |
713 | conforming environment, then that prototype must match the definition in | |
714 | the ANSI standard. So we can just duplicate them here without conflict, | |
d747e0af MT |
715 | since they must be the same in all conforming ANSI environments. If |
716 | these cause problems, then the environment is not ANSI conformant. */ | |
717 | ||
0a5d35ed | 718 | #ifdef __STDC__ |
d747e0af | 719 | #include <stddef.h> |
0a5d35ed | 720 | #endif |
d747e0af MT |
721 | |
722 | extern int | |
723 | fclose PARAMS ((FILE *stream)); /* 4.9.5.1 */ | |
724 | ||
e146177e SEF |
725 | extern void |
726 | perror PARAMS ((const char *)); /* 4.9.10.4 */ | |
727 | ||
d747e0af MT |
728 | extern double |
729 | atof PARAMS ((const char *nptr)); /* 4.10.1.1 */ | |
730 | ||
51b57ded FF |
731 | extern int |
732 | atoi PARAMS ((const char *)); /* 4.10.1.2 */ | |
733 | ||
d747e0af | 734 | #ifndef MALLOC_INCOMPATIBLE |
318bf84f | 735 | |
d747e0af MT |
736 | extern PTR |
737 | malloc PARAMS ((size_t size)); /* 4.10.3.3 */ | |
738 | ||
739 | extern PTR | |
740 | realloc PARAMS ((void *ptr, size_t size)); /* 4.10.3.4 */ | |
741 | ||
742 | extern void | |
318bf84f FF |
743 | free PARAMS ((void *)); /* 4.10.3.2 */ |
744 | ||
745 | #endif /* MALLOC_INCOMPATIBLE */ | |
d747e0af | 746 | |
d630b615 | 747 | extern void |
d747e0af MT |
748 | qsort PARAMS ((void *base, size_t nmemb, /* 4.10.5.2 */ |
749 | size_t size, | |
750 | int (*comp)(const void *, const void *))); | |
751 | ||
0f552c5f | 752 | #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */ |
51b57ded FF |
753 | extern PTR |
754 | memcpy PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */ | |
755 | ||
756 | extern int | |
757 | memcmp PARAMS ((const void *, const void *, size_t)); /* 4.11.4.1 */ | |
38dc5e12 | 758 | #endif |
51b57ded | 759 | |
d747e0af MT |
760 | extern char * |
761 | strchr PARAMS ((const char *, int)); /* 4.11.5.2 */ | |
762 | ||
763 | extern char * | |
764 | strrchr PARAMS ((const char *, int)); /* 4.11.5.5 */ | |
765 | ||
e146177e SEF |
766 | extern char * |
767 | strstr PARAMS ((const char *, const char *)); /* 4.11.5.7 */ | |
768 | ||
d747e0af MT |
769 | extern char * |
770 | strtok PARAMS ((char *, const char *)); /* 4.11.5.8 */ | |
771 | ||
0f552c5f | 772 | #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */ |
51b57ded FF |
773 | extern PTR |
774 | memset PARAMS ((void *, int, size_t)); /* 4.11.6.1 */ | |
0f552c5f | 775 | #endif |
51b57ded | 776 | |
d747e0af MT |
777 | extern char * |
778 | strerror PARAMS ((int)); /* 4.11.6.2 */ | |
e2aab031 | 779 | |
0a5d35ed SG |
780 | /* Various possibilities for alloca. */ |
781 | #ifndef alloca | |
782 | # ifdef __GNUC__ | |
783 | # define alloca __builtin_alloca | |
784 | # else | |
785 | # ifdef sparc | |
22fd4704 | 786 | # include <alloca.h> /* NOTE: Doesn't declare alloca() */ |
e676a15f | 787 | # endif |
0f552c5f JG |
788 | # ifdef __STDC__ |
789 | extern void *alloca (size_t); | |
790 | # else /* __STDC__ */ | |
791 | extern char *alloca (); | |
792 | # endif | |
0a5d35ed SG |
793 | # endif |
794 | #endif | |
e2aab031 | 795 | |
debd3443 | 796 | /* TARGET_BYTE_ORDER and HOST_BYTE_ORDER must be defined to one of these. */ |
a10c0d36 | 797 | |
0a5d35ed SG |
798 | #if !defined (BIG_ENDIAN) |
799 | #define BIG_ENDIAN 4321 | |
800 | #endif | |
a10c0d36 | 801 | |
0a5d35ed SG |
802 | #if !defined (LITTLE_ENDIAN) |
803 | #define LITTLE_ENDIAN 1234 | |
804 | #endif | |
a10c0d36 | 805 | |
2fcdae93 | 806 | /* Target-system-dependent parameters for GDB. */ |
7d9884b9 JG |
807 | |
808 | /* Target machine definition. This will be a symlink to one of the | |
809 | tm-*.h files, built by the `configure' script. */ | |
810 | ||
7d9884b9 | 811 | #include "tm.h" |
7d9884b9 | 812 | |
7d9884b9 JG |
813 | /* The bit byte-order has to do just with numbering of bits in |
814 | debugging symbols and such. Conceptually, it's quite separate | |
815 | from byte/word byte order. */ | |
816 | ||
817 | #if !defined (BITS_BIG_ENDIAN) | |
818 | #if TARGET_BYTE_ORDER == BIG_ENDIAN | |
819 | #define BITS_BIG_ENDIAN 1 | |
820 | #endif /* Big endian. */ | |
821 | ||
822 | #if TARGET_BYTE_ORDER == LITTLE_ENDIAN | |
823 | #define BITS_BIG_ENDIAN 0 | |
824 | #endif /* Little endian. */ | |
825 | #endif /* BITS_BIG_ENDIAN not defined. */ | |
826 | ||
e3c16900 JK |
827 | /* Swap LEN bytes at BUFFER between target and host byte-order. This is |
828 | the wrong way to do byte-swapping because it assumes that you have a way | |
829 | to have a host variable of exactly the right size. | |
830 | extract_* are the right way. */ | |
7d9884b9 JG |
831 | #if TARGET_BYTE_ORDER == HOST_BYTE_ORDER |
832 | #define SWAP_TARGET_AND_HOST(buffer,len) | |
833 | #else /* Target and host byte order differ. */ | |
834 | #define SWAP_TARGET_AND_HOST(buffer,len) \ | |
835 | { \ | |
836 | char tmp; \ | |
837 | char *p = (char *)(buffer); \ | |
838 | char *q = ((char *)(buffer)) + len - 1; \ | |
839 | for (; p < q; p++, q--) \ | |
840 | { \ | |
841 | tmp = *q; \ | |
842 | *q = *p; \ | |
843 | *p = tmp; \ | |
844 | } \ | |
845 | } | |
846 | #endif /* Target and host byte order differ. */ | |
847 | ||
e3c16900 JK |
848 | /* In findvar.c. */ |
849 | LONGEST extract_signed_integer PARAMS ((void *, int)); | |
850 | unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int)); | |
851 | CORE_ADDR extract_address PARAMS ((void *, int)); | |
852 | ||
853 | void store_signed_integer PARAMS ((void *, int, LONGEST)); | |
854 | void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST)); | |
855 | void store_address PARAMS ((void *, int, CORE_ADDR)); | |
856 | \f | |
7d9884b9 JG |
857 | /* On some machines there are bits in addresses which are not really |
858 | part of the address, but are used by the kernel, the hardware, etc. | |
859 | for special purposes. ADDR_BITS_REMOVE takes out any such bits | |
860 | so we get a "real" address such as one would find in a symbol | |
861 | table. ADDR_BITS_SET sets those bits the way the system wants | |
e3c16900 JK |
862 | them. This is used only for addresses of instructions, and even then |
863 | I'm not sure it's used in all contexts. It exists to deal with there | |
864 | being a few stray bits in the PC which would mislead us, not as some sort | |
865 | of generic thing to handle alignment or segmentation. */ | |
7d9884b9 JG |
866 | #if !defined (ADDR_BITS_REMOVE) |
867 | #define ADDR_BITS_REMOVE(addr) (addr) | |
868 | #define ADDR_BITS_SET(addr) (addr) | |
869 | #endif /* No ADDR_BITS_REMOVE. */ | |
870 | ||
d747e0af MT |
871 | /* From valops.c */ |
872 | ||
873 | extern CORE_ADDR | |
874 | push_bytes PARAMS ((CORE_ADDR, char *, int)); | |
875 | ||
876 | /* In some modules, we don't have a definition of REGISTER_TYPE yet, so we | |
877 | must avoid prototyping this function for now. FIXME. Should be: | |
878 | extern CORE_ADDR | |
879 | push_word PARAMS ((CORE_ADDR, REGISTER_TYPE)); | |
880 | */ | |
881 | extern CORE_ADDR | |
882 | push_word (); | |
883 | ||
0239d9b3 FF |
884 | /* Some parts of gdb might be considered optional, in the sense that they |
885 | are not essential for being able to build a working, usable debugger | |
886 | for a specific environment. For example, the maintenance commands | |
887 | are there for the benefit of gdb maintainers. As another example, | |
888 | some environments really don't need gdb's that are able to read N | |
889 | different object file formats. In order to make it possible (but | |
890 | not necessarily recommended) to build "stripped down" versions of | |
891 | gdb, the following defines control selective compilation of those | |
892 | parts of gdb which can be safely left out when necessary. Note that | |
893 | the default is to include everything. */ | |
894 | ||
895 | #ifndef MAINTENANCE_CMDS | |
896 | #define MAINTENANCE_CMDS 1 | |
897 | #endif | |
898 | ||
d747e0af | 899 | #endif /* !defined (DEFS_H) */ |