Commit | Line | Data |
---|---|---|
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 | 30 | /* An address in the program being debugged. Host byte order. */ |
04f566a3 | 31 | #ifndef CORE_ADDR_TYPE |
bd5635a1 | 32 | typedef unsigned int CORE_ADDR; |
04f566a3 JK |
33 | #else |
34 | typedef CORE_ADDR_TYPE CORE_ADDR; | |
35 | #endif | |
bd5635a1 RP |
36 | |
37 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
38 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
39 | ||
2e4964ad FF |
40 | /* Gdb does *lots* of string compares. Use macros to speed them up by |
41 | avoiding function calls if the first characters are not the same. */ | |
42 | ||
bd5d07d9 | 43 | #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b)) |
2e4964ad FF |
44 | #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0) |
45 | #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0) | |
46 | ||
dd577ca5 | 47 | /* The character GNU C++ uses to build identifiers that must be unique from |
bd5635a1 RP |
48 | the program's identifiers (such as $this and $$vptr). */ |
49 | #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */ | |
50 | ||
e146177e | 51 | #include <errno.h> /* System call error return status */ |
bd5635a1 RP |
52 | |
53 | extern int quit_flag; | |
54 | extern int immediate_quit; | |
51b80b00 | 55 | extern int sevenbit_strings; |
d747e0af MT |
56 | |
57 | extern void | |
58 | quit PARAMS ((void)); | |
bd5635a1 RP |
59 | |
60 | #define QUIT { if (quit_flag) quit (); } | |
61 | ||
e58de8a2 FF |
62 | /* Command classes are top-level categories into which commands are broken |
63 | down for "help" purposes. | |
64 | Notes on classes: class_alias is for alias commands which are not | |
65 | abbreviations of the original command. class-pseudo is for commands | |
66 | which are not really commands nor help topics ("stop"). */ | |
bd5635a1 RP |
67 | |
68 | enum command_class | |
69 | { | |
70 | /* Special args to help_list */ | |
71 | all_classes = -2, all_commands = -1, | |
72 | /* Classes of commands */ | |
73 | no_class = -1, class_run = 0, class_vars, class_stack, | |
74 | class_files, class_support, class_info, class_breakpoint, | |
e58de8a2 FF |
75 | class_alias, class_obscure, class_user, class_maintenance, |
76 | class_pseudo | |
bd5635a1 RP |
77 | }; |
78 | ||
bd5d07d9 FF |
79 | /* Languages represented in the symbol table and elsewhere. |
80 | This should probably be in language.h, but since enum's can't | |
81 | be forward declared to satisfy opaque references before their | |
82 | actual definition, needs to be here. */ | |
83 | ||
84 | enum language | |
85 | { | |
86 | language_unknown, /* Language not known */ | |
87 | language_auto, /* Placeholder for automatic setting */ | |
88 | language_c, /* C */ | |
89 | language_cplus, /* C++ */ | |
bd5d07d9 | 90 | language_chill, /* Chill */ |
bd5d07d9 FF |
91 | language_m2 /* Modula-2 */ |
92 | }; | |
93 | ||
bd5635a1 RP |
94 | /* the cleanup list records things that have to be undone |
95 | if an error happens (descriptors to be closed, memory to be freed, etc.) | |
96 | Each link in the chain records a function to call and an | |
97 | argument to give it. | |
98 | ||
99 | Use make_cleanup to add an element to the cleanup chain. | |
100 | Use do_cleanups to do all cleanup actions back to a given | |
101 | point in the chain. Use discard_cleanups to remove cleanups | |
102 | from the chain back to a given point, not doing them. */ | |
103 | ||
104 | struct cleanup | |
105 | { | |
106 | struct cleanup *next; | |
d747e0af MT |
107 | void (*function) PARAMS ((PTR)); |
108 | PTR arg; | |
bd5635a1 RP |
109 | }; |
110 | ||
d747e0af MT |
111 | /* From blockframe.c */ |
112 | ||
113 | extern int | |
e146177e | 114 | inside_entry_func PARAMS ((CORE_ADDR)); |
d747e0af MT |
115 | |
116 | extern int | |
e146177e | 117 | inside_entry_file PARAMS ((CORE_ADDR addr)); |
d747e0af MT |
118 | |
119 | extern int | |
e146177e | 120 | inside_main_func PARAMS ((CORE_ADDR pc)); |
d747e0af | 121 | |
7532cf10 FF |
122 | /* From ch-lang.c, for the moment. (FIXME) */ |
123 | ||
124 | extern char * | |
125 | chill_demangle PARAMS ((const char *)); | |
7532cf10 | 126 | |
2e4964ad | 127 | /* From libiberty.a */ |
d747e0af MT |
128 | |
129 | extern char * | |
130 | cplus_demangle PARAMS ((const char *, int)); | |
131 | ||
132 | extern char * | |
133 | cplus_mangle_opname PARAMS ((char *, int)); | |
134 | ||
318bf84f | 135 | /* From libmmalloc.a (memory mapped malloc library) */ |
d747e0af MT |
136 | |
137 | extern PTR | |
318bf84f | 138 | mmalloc_attach PARAMS ((int, PTR)); |
d747e0af MT |
139 | |
140 | extern PTR | |
318bf84f | 141 | mmalloc_detach PARAMS ((PTR)); |
d747e0af MT |
142 | |
143 | extern PTR | |
318bf84f | 144 | mmalloc PARAMS ((PTR, long)); |
d747e0af MT |
145 | |
146 | extern PTR | |
318bf84f | 147 | mrealloc PARAMS ((PTR, PTR, long)); |
d747e0af MT |
148 | |
149 | extern void | |
318bf84f | 150 | mfree PARAMS ((PTR, PTR)); |
d747e0af | 151 | |
318bf84f FF |
152 | extern int |
153 | mmalloc_setkey PARAMS ((PTR, int, PTR)); | |
d747e0af MT |
154 | |
155 | extern PTR | |
318bf84f | 156 | mmalloc_getkey PARAMS ((PTR, int)); |
d747e0af MT |
157 | |
158 | /* From utils.c */ | |
159 | ||
d630b615 FF |
160 | extern int |
161 | strcmp_iw PARAMS ((const char *, const char *)); | |
162 | ||
e146177e SEF |
163 | extern char * |
164 | safe_strerror PARAMS ((int)); | |
165 | ||
166 | extern char * | |
167 | safe_strsignal PARAMS ((int)); | |
168 | ||
d747e0af | 169 | extern void |
e3c16900 | 170 | init_malloc PARAMS ((void *)); |
d747e0af MT |
171 | |
172 | extern void | |
173 | request_quit PARAMS ((int)); | |
174 | ||
175 | extern void | |
176 | do_cleanups PARAMS ((struct cleanup *)); | |
177 | ||
178 | extern void | |
179 | discard_cleanups PARAMS ((struct cleanup *)); | |
180 | ||
181 | /* The bare make_cleanup function is one of those rare beasts that | |
182 | takes almost any type of function as the first arg and anything that | |
183 | will fit in a "void *" as the second arg. | |
184 | ||
185 | Should be, once all calls and called-functions are cleaned up: | |
186 | extern struct cleanup * | |
84d59861 | 187 | make_cleanup PARAMS ((void (*function) (void *), void *)); |
d747e0af MT |
188 | |
189 | Until then, lint and/or various type-checking compiler options will | |
190 | complain about make_cleanup calls. It'd be wrong to just cast things, | |
191 | since the type actually passed when the function is called would be | |
192 | wrong. */ | |
193 | ||
194 | extern struct cleanup * | |
195 | make_cleanup (); | |
196 | ||
197 | extern struct cleanup * | |
198 | save_cleanups PARAMS ((void)); | |
199 | ||
200 | extern void | |
201 | restore_cleanups PARAMS ((struct cleanup *)); | |
202 | ||
203 | extern void | |
204 | free_current_contents PARAMS ((char **)); | |
205 | ||
206 | extern void | |
207 | null_cleanup PARAMS ((char **)); | |
208 | ||
209 | extern int | |
210 | myread PARAMS ((int, char *, int)); | |
211 | ||
212 | extern int | |
213 | query (); | |
214 | ||
51b80b00 FF |
215 | extern void |
216 | begin_line PARAMS ((void)); | |
217 | ||
d747e0af MT |
218 | extern void |
219 | wrap_here PARAMS ((char *)); | |
220 | ||
221 | extern void | |
222 | reinitialize_more_filter PARAMS ((void)); | |
223 | ||
04f566a3 JK |
224 | typedef FILE GDB_FILE; |
225 | #define gdb_stdout stdout | |
226 | #define gdb_stderr stderr | |
227 | ||
d747e0af | 228 | extern int |
04f566a3 JK |
229 | print_insn PARAMS ((CORE_ADDR, GDB_FILE *)); |
230 | ||
231 | extern void | |
232 | gdb_flush PARAMS ((GDB_FILE *)); | |
233 | ||
234 | extern GDB_FILE * | |
235 | gdb_fopen PARAMS ((char * name, char * mode)); | |
236 | ||
237 | extern void | |
238 | fputs_filtered PARAMS ((const char *, GDB_FILE *)); | |
239 | ||
240 | extern void | |
241 | fputs_unfiltered PARAMS ((const char *, GDB_FILE *)); | |
d747e0af MT |
242 | |
243 | extern void | |
04f566a3 JK |
244 | fputc_unfiltered PARAMS ((int, GDB_FILE *)); |
245 | ||
246 | extern void | |
247 | putc_unfiltered PARAMS ((int)); | |
248 | ||
249 | #define putchar_unfiltered(C) putc_unfiltered(C) | |
d747e0af MT |
250 | |
251 | extern void | |
252 | puts_filtered PARAMS ((char *)); | |
253 | ||
04f566a3 JK |
254 | extern void |
255 | puts_unfiltered PARAMS ((char *)); | |
256 | ||
51b80b00 FF |
257 | extern void |
258 | vprintf_filtered (); | |
259 | ||
a8e033f2 | 260 | extern void |
4dba98fb | 261 | vfprintf_filtered (); |
a8e033f2 | 262 | |
d747e0af MT |
263 | extern void |
264 | fprintf_filtered (); | |
265 | ||
a8e033f2 SG |
266 | extern void |
267 | fprintfi_filtered (); | |
268 | ||
d747e0af MT |
269 | extern void |
270 | printf_filtered (); | |
271 | ||
a8e033f2 SG |
272 | extern void |
273 | printfi_filtered (); | |
274 | ||
d747e0af | 275 | extern void |
04f566a3 JK |
276 | vprintf_unfiltered (); |
277 | ||
278 | extern void | |
279 | vfprintf_unfiltered (); | |
280 | ||
281 | extern void | |
282 | fprintf_unfiltered (); | |
d747e0af MT |
283 | |
284 | extern void | |
04f566a3 JK |
285 | printf_unfiltered (); |
286 | ||
287 | extern void | |
288 | print_spaces PARAMS ((int, GDB_FILE *)); | |
289 | ||
290 | extern void | |
291 | print_spaces_filtered PARAMS ((int, GDB_FILE *)); | |
d747e0af MT |
292 | |
293 | extern char * | |
294 | n_spaces PARAMS ((int)); | |
295 | ||
296 | extern void | |
04f566a3 | 297 | gdb_printchar PARAMS ((int, GDB_FILE *, int)); |
d747e0af | 298 | |
833e0d94 JK |
299 | /* Print a host address. */ |
300 | extern void gdb_print_address PARAMS ((void *, GDB_FILE *)); | |
301 | ||
d747e0af | 302 | extern void |
04f566a3 | 303 | fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *, enum language, int)); |
d747e0af MT |
304 | |
305 | extern void | |
306 | perror_with_name PARAMS ((char *)); | |
307 | ||
308 | extern void | |
309 | print_sys_errmsg PARAMS ((char *, int)); | |
310 | ||
1bef45ea JK |
311 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as |
312 | "const char *" in unistd.h, so we can't declare the argument | |
313 | as "char *". */ | |
d747e0af MT |
314 | |
315 | extern char * | |
1bef45ea | 316 | re_comp PARAMS ((const char *)); |
d747e0af MT |
317 | |
318 | /* From symfile.c */ | |
319 | ||
320 | extern void | |
321 | symbol_file_command PARAMS ((char *, int)); | |
322 | ||
323 | /* From main.c */ | |
324 | ||
d630b615 FF |
325 | extern char * |
326 | skip_quoted PARAMS ((char *)); | |
327 | ||
d747e0af MT |
328 | extern char * |
329 | gdb_readline PARAMS ((char *)); | |
330 | ||
331 | extern char * | |
332 | command_line_input PARAMS ((char *, int)); | |
333 | ||
334 | extern void | |
335 | print_prompt PARAMS ((void)); | |
336 | ||
337 | extern int | |
338 | batch_mode PARAMS ((void)); | |
339 | ||
340 | extern int | |
341 | input_from_terminal_p PARAMS ((void)); | |
342 | ||
bd5635a1 | 343 | /* From printcmd.c */ |
d747e0af MT |
344 | |
345 | extern void | |
346 | set_next_address PARAMS ((CORE_ADDR)); | |
347 | ||
348 | extern void | |
04f566a3 | 349 | print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int, char *)); |
d747e0af | 350 | |
833e0d94 JK |
351 | extern void |
352 | print_address_numeric PARAMS ((CORE_ADDR, GDB_FILE *)); | |
353 | ||
d747e0af | 354 | extern void |
04f566a3 | 355 | print_address PARAMS ((CORE_ADDR, GDB_FILE *)); |
bd5635a1 | 356 | |
e1ce8aa5 | 357 | /* From source.c */ |
d747e0af MT |
358 | |
359 | extern int | |
360 | openp PARAMS ((char *, int, char *, int, int, char **)); | |
361 | ||
362 | extern void | |
363 | mod_path PARAMS ((char *, char **)); | |
364 | ||
365 | extern void | |
366 | directory_command PARAMS ((char *, int)); | |
367 | ||
368 | extern void | |
369 | init_source_path PARAMS ((void)); | |
370 | ||
371 | /* From findvar.c */ | |
372 | ||
373 | extern int | |
374 | read_relative_register_raw_bytes PARAMS ((int, char *)); | |
e1ce8aa5 | 375 | |
bd5635a1 | 376 | /* From readline (but not in any readline .h files). */ |
d747e0af MT |
377 | |
378 | extern char * | |
379 | tilde_expand PARAMS ((char *)); | |
bd5635a1 RP |
380 | |
381 | /* Structure for saved commands lines | |
382 | (for breakpoints, defined commands, etc). */ | |
383 | ||
384 | struct command_line | |
385 | { | |
386 | struct command_line *next; | |
387 | char *line; | |
388 | }; | |
389 | ||
d747e0af MT |
390 | extern struct command_line * |
391 | read_command_lines PARAMS ((void)); | |
392 | ||
393 | extern void | |
394 | free_command_lines PARAMS ((struct command_line **)); | |
bd5635a1 RP |
395 | |
396 | /* String containing the current directory (what getwd would return). */ | |
397 | ||
d747e0af | 398 | extern char *current_directory; |
bd5635a1 RP |
399 | |
400 | /* Default radixes for input and output. Only some values supported. */ | |
401 | extern unsigned input_radix; | |
402 | extern unsigned output_radix; | |
403 | ||
a8a69e63 FF |
404 | /* Possibilities for prettyprint parameters to routines which print |
405 | things. Like enum language, this should be in value.h, but needs | |
406 | to be here for the same reason. FIXME: If we can eliminate this | |
407 | as an arg to LA_VAL_PRINT, then we can probably move it back to | |
408 | value.h. */ | |
409 | ||
410 | enum val_prettyprint | |
411 | { | |
412 | Val_no_prettyprint = 0, | |
413 | Val_prettyprint, | |
414 | /* Use the default setting which the user has specified. */ | |
415 | Val_pretty_default | |
416 | }; | |
417 | ||
0a5d35ed SG |
418 | \f |
419 | /* Host machine definition. This will be a symlink to one of the | |
420 | xm-*.h files, built by the `configure' script. */ | |
421 | ||
422 | #include "xm.h" | |
423 | ||
e58de8a2 FF |
424 | /* Native machine support. This will be a symlink to one of the |
425 | nm-*.h files, built by the `configure' script. */ | |
426 | ||
427 | #include "nm.h" | |
428 | ||
e146177e SEF |
429 | /* If the xm.h file did not define the mode string used to open the |
430 | files, assume that binary files are opened the same way as text | |
431 | files */ | |
432 | #ifndef FOPEN_RB | |
433 | #include "fopen-same.h" | |
434 | #endif | |
435 | ||
0a5d35ed SG |
436 | /* |
437 | * Allow things in gdb to be declared "const". If compiling ANSI, it | |
438 | * just works. If compiling with gcc but non-ansi, redefine to __const__. | |
439 | * If non-ansi, non-gcc, then eliminate "const" entirely, making those | |
440 | * objects be read-write rather than read-only. | |
441 | */ | |
442 | ||
443 | #ifndef const | |
444 | #ifndef __STDC__ | |
445 | # ifdef __GNUC__ | |
446 | # define const __const__ | |
447 | # else | |
448 | # define const /*nothing*/ | |
449 | # endif /* GNUC */ | |
450 | #endif /* STDC */ | |
451 | #endif /* const */ | |
452 | ||
453 | #ifndef volatile | |
454 | #ifndef __STDC__ | |
455 | # ifdef __GNUC__ | |
456 | # define volatile __volatile__ | |
457 | # else | |
458 | # define volatile /*nothing*/ | |
459 | # endif /* GNUC */ | |
460 | #endif /* STDC */ | |
461 | #endif /* volatile */ | |
462 | ||
e3c16900 JK |
463 | #if 1 |
464 | #define NORETURN /*nothing*/ | |
465 | #else /* not 1 */ | |
466 | /* FIXME: This is bogus. Having "volatile void" mean a function doesn't | |
467 | return is a gcc extension and should be based on #ifdef __GNUC__. | |
468 | Also, as of Sep 93 I'm told gcc is changing the syntax for ansi | |
469 | reasons (so declaring exit here as "volatile void" and as "void" in | |
470 | a system header loses). Using the new "__attributes__ ((noreturn));" | |
471 | syntax would lose for old versions of gcc; using | |
472 | typedef void exit_fn_type PARAMS ((int)); | |
473 | volatile exit_fn_type exit; | |
474 | would win. */ | |
d747e0af MT |
475 | /* Some compilers (many AT&T SVR4 compilers for instance), do not accept |
476 | declarations of functions that never return (exit for instance) as | |
477 | "volatile void". For such compilers "NORETURN" can be defined away | |
478 | to keep them happy */ | |
479 | ||
480 | #ifndef NORETURN | |
e676a15f FF |
481 | # ifdef __lucid |
482 | # define NORETURN /*nothing*/ | |
483 | # else | |
484 | # define NORETURN volatile | |
485 | # endif | |
d747e0af | 486 | #endif |
e3c16900 | 487 | #endif /* not 1 */ |
d747e0af | 488 | |
0a5d35ed SG |
489 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */ |
490 | ||
bd5635a1 | 491 | #if !defined (UINT_MAX) |
38dc5e12 | 492 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ |
bd5635a1 RP |
493 | #endif |
494 | ||
e1ce8aa5 | 495 | #if !defined (INT_MAX) |
dd577ca5 | 496 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
e1ce8aa5 JK |
497 | #endif |
498 | ||
499 | #if !defined (INT_MIN) | |
38dc5e12 SG |
500 | #define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */ |
501 | #endif | |
502 | ||
503 | #if !defined (ULONG_MAX) | |
504 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ | |
505 | #endif | |
506 | ||
507 | #if !defined (LONG_MAX) | |
508 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ | |
e1ce8aa5 JK |
509 | #endif |
510 | ||
7efb57c3 FF |
511 | /* Default to support for "long long" if the host compiler being used is gcc. |
512 | Config files must define CC_HAS_LONG_LONG to use other host compilers | |
513 | that are capable of supporting "long long", and to cause gdb to use that | |
514 | support. Not defining CC_HAS_LONG_LONG will suppress use of "long long" | |
515 | regardless of what compiler is used. | |
516 | ||
517 | FIXME: For now, automatic selection of "long long" as the default when | |
518 | gcc is used is disabled, pending further testing. Concerns include the | |
519 | impact on gdb performance and the universality of bugfree long long | |
520 | support on platforms that do have gcc. Compiling with FORCE_LONG_LONG | |
521 | will select "long long" use for testing purposes. -fnf */ | |
522 | ||
523 | #ifndef CC_HAS_LONG_LONG | |
524 | # if defined (__GNUC__) && defined (FORCE_LONG_LONG) /* See FIXME above */ | |
525 | # define CC_HAS_LONG_LONG 1 | |
526 | # endif | |
527 | #endif | |
528 | ||
529 | /* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work. | |
530 | CC_HAS_LONG_LONG is defined if the host compiler supports "long long" | |
531 | variables and we wish to make use of that support. */ | |
d747e0af MT |
532 | |
533 | #ifndef LONGEST | |
7efb57c3 FF |
534 | # ifdef CC_HAS_LONG_LONG |
535 | # define LONGEST long long | |
536 | # else | |
537 | # define LONGEST long | |
538 | # endif | |
539 | #endif | |
540 | ||
541 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
542 | arguments to a function, number in a value history, register number, etc.) | |
543 | where the value must not be larger than can fit in an int. */ | |
544 | ||
545 | #ifndef longest_to_int | |
546 | # ifdef CC_HAS_LONG_LONG | |
547 | # define longest_to_int(x) (((x) > INT_MAX || (x) < INT_MIN) \ | |
548 | ? (error ("Value out of range."),0) : (int) (x)) | |
549 | # else | |
550 | /* Assume sizeof (int) == sizeof (long). */ | |
551 | # define longest_to_int(x) ((int) (x)) | |
552 | # endif | |
d747e0af MT |
553 | #endif |
554 | ||
0a5d35ed SG |
555 | /* Assorted functions we can declare, now that const and volatile are |
556 | defined. */ | |
d747e0af MT |
557 | |
558 | extern char * | |
559 | savestring PARAMS ((const char *, int)); | |
560 | ||
318bf84f FF |
561 | extern char * |
562 | msavestring PARAMS ((void *, const char *, int)); | |
563 | ||
d747e0af MT |
564 | extern char * |
565 | strsave PARAMS ((const char *)); | |
566 | ||
318bf84f FF |
567 | extern char * |
568 | mstrsave PARAMS ((void *, const char *)); | |
569 | ||
d747e0af MT |
570 | extern char * |
571 | concat PARAMS ((char *, ...)); | |
572 | ||
573 | extern PTR | |
574 | xmalloc PARAMS ((long)); | |
575 | ||
576 | extern PTR | |
318bf84f FF |
577 | xrealloc PARAMS ((PTR, long)); |
578 | ||
579 | extern PTR | |
580 | xmmalloc PARAMS ((PTR, long)); | |
581 | ||
582 | extern PTR | |
583 | xmrealloc PARAMS ((PTR, PTR, long)); | |
584 | ||
585 | extern PTR | |
586 | mmalloc PARAMS ((PTR, long)); | |
587 | ||
588 | extern PTR | |
589 | mrealloc PARAMS ((PTR, PTR, long)); | |
590 | ||
591 | extern void | |
592 | mfree PARAMS ((PTR, PTR)); | |
593 | ||
594 | extern int | |
595 | mmcheck PARAMS ((PTR, void (*) (void))); | |
596 | ||
597 | extern int | |
598 | mmtrace PARAMS ((void)); | |
d747e0af MT |
599 | |
600 | extern int | |
601 | parse_escape PARAMS ((char **)); | |
602 | ||
e676a15f | 603 | extern const char * const reg_names[]; |
d747e0af | 604 | |
833e0d94 JK |
605 | /* Message to be printed before the error message, when an error occurs. */ |
606 | ||
607 | extern char *error_pre_print; | |
608 | ||
609 | /* Message to be printed before the warning message, when a warning occurs. */ | |
610 | ||
611 | extern char *warning_pre_print; | |
612 | ||
d747e0af MT |
613 | extern NORETURN void /* Does not return to the caller. */ |
614 | error (); | |
615 | ||
616 | extern NORETURN void /* Does not return to the caller. */ | |
617 | fatal (); | |
618 | ||
619 | extern NORETURN void /* Not specified as volatile in ... */ | |
620 | exit PARAMS ((int)); /* 4.10.4.3 */ | |
621 | ||
318bf84f FF |
622 | extern NORETURN void /* Does not return to the caller. */ |
623 | nomem PARAMS ((long)); | |
624 | ||
2fcdae93 PS |
625 | /* Reasons for calling return_to_top_level. */ |
626 | enum return_reason { | |
627 | /* User interrupt. */ | |
628 | RETURN_QUIT, | |
629 | ||
630 | /* Any other error. */ | |
631 | RETURN_ERROR | |
632 | }; | |
633 | ||
634 | #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT) | |
635 | #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR) | |
636 | #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR) | |
637 | typedef int return_mask; | |
638 | ||
d747e0af | 639 | extern NORETURN void /* Does not return to the caller. */ |
2fcdae93 PS |
640 | return_to_top_level PARAMS ((enum return_reason)); |
641 | ||
642 | extern int catch_errors PARAMS ((int (*) (char *), void *, char *, | |
643 | return_mask)); | |
d747e0af MT |
644 | |
645 | extern void | |
646 | warning_setup PARAMS ((void)); | |
647 | ||
648 | extern void | |
649 | warning (); | |
650 | ||
651 | /* Global functions from other, non-gdb GNU thingies (libiberty for | |
652 | instance) */ | |
653 | ||
654 | extern char * | |
655 | basename PARAMS ((char *)); | |
656 | ||
657 | extern char * | |
a8e033f2 | 658 | getenv PARAMS ((const char *)); |
d747e0af MT |
659 | |
660 | extern char ** | |
661 | buildargv PARAMS ((char *)); | |
662 | ||
663 | extern void | |
664 | freeargv PARAMS ((char **)); | |
665 | ||
e146177e SEF |
666 | extern char * |
667 | strerrno PARAMS ((int)); | |
668 | ||
669 | extern char * | |
670 | strsigno PARAMS ((int)); | |
671 | ||
672 | extern int | |
673 | errno_max PARAMS ((void)); | |
674 | ||
675 | extern int | |
676 | signo_max PARAMS ((void)); | |
677 | ||
678 | extern int | |
679 | strtoerrno PARAMS ((char *)); | |
680 | ||
681 | extern int | |
682 | strtosigno PARAMS ((char *)); | |
683 | ||
684 | extern char * | |
685 | strsignal PARAMS ((int)); | |
686 | ||
687 | /* From other system libraries */ | |
688 | ||
689 | #ifndef PSIGNAL_IN_SIGNAL_H | |
690 | extern void | |
7efb57c3 | 691 | psignal PARAMS ((unsigned, const char *)); |
e146177e SEF |
692 | #endif |
693 | ||
d747e0af MT |
694 | /* For now, we can't include <stdlib.h> because it conflicts with |
695 | "../include/getopt.h". (FIXME) | |
696 | ||
318bf84f FF |
697 | However, if a function is defined in the ANSI C standard and a prototype |
698 | for that function is defined and visible in any header file in an ANSI | |
699 | conforming environment, then that prototype must match the definition in | |
700 | the ANSI standard. So we can just duplicate them here without conflict, | |
d747e0af MT |
701 | since they must be the same in all conforming ANSI environments. If |
702 | these cause problems, then the environment is not ANSI conformant. */ | |
703 | ||
0a5d35ed | 704 | #ifdef __STDC__ |
d747e0af | 705 | #include <stddef.h> |
0a5d35ed | 706 | #endif |
d747e0af MT |
707 | |
708 | extern int | |
04f566a3 | 709 | fclose PARAMS ((GDB_FILE *stream)); /* 4.9.5.1 */ |
d747e0af | 710 | |
e146177e SEF |
711 | extern void |
712 | perror PARAMS ((const char *)); /* 4.9.10.4 */ | |
713 | ||
d747e0af MT |
714 | extern double |
715 | atof PARAMS ((const char *nptr)); /* 4.10.1.1 */ | |
716 | ||
51b57ded FF |
717 | extern int |
718 | atoi PARAMS ((const char *)); /* 4.10.1.2 */ | |
719 | ||
d747e0af | 720 | #ifndef MALLOC_INCOMPATIBLE |
318bf84f | 721 | |
d747e0af MT |
722 | extern PTR |
723 | malloc PARAMS ((size_t size)); /* 4.10.3.3 */ | |
724 | ||
725 | extern PTR | |
726 | realloc PARAMS ((void *ptr, size_t size)); /* 4.10.3.4 */ | |
727 | ||
728 | extern void | |
318bf84f FF |
729 | free PARAMS ((void *)); /* 4.10.3.2 */ |
730 | ||
731 | #endif /* MALLOC_INCOMPATIBLE */ | |
d747e0af | 732 | |
d630b615 | 733 | extern void |
d747e0af MT |
734 | qsort PARAMS ((void *base, size_t nmemb, /* 4.10.5.2 */ |
735 | size_t size, | |
736 | int (*comp)(const void *, const void *))); | |
737 | ||
0f552c5f | 738 | #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */ |
51b57ded FF |
739 | extern PTR |
740 | memcpy PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */ | |
741 | ||
742 | extern int | |
743 | memcmp PARAMS ((const void *, const void *, size_t)); /* 4.11.4.1 */ | |
38dc5e12 | 744 | #endif |
51b57ded | 745 | |
d747e0af MT |
746 | extern char * |
747 | strchr PARAMS ((const char *, int)); /* 4.11.5.2 */ | |
748 | ||
749 | extern char * | |
750 | strrchr PARAMS ((const char *, int)); /* 4.11.5.5 */ | |
751 | ||
e146177e SEF |
752 | extern char * |
753 | strstr PARAMS ((const char *, const char *)); /* 4.11.5.7 */ | |
754 | ||
d747e0af MT |
755 | extern char * |
756 | strtok PARAMS ((char *, const char *)); /* 4.11.5.8 */ | |
757 | ||
0f552c5f | 758 | #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */ |
51b57ded FF |
759 | extern PTR |
760 | memset PARAMS ((void *, int, size_t)); /* 4.11.6.1 */ | |
0f552c5f | 761 | #endif |
51b57ded | 762 | |
d747e0af MT |
763 | extern char * |
764 | strerror PARAMS ((int)); /* 4.11.6.2 */ | |
e2aab031 | 765 | |
0a5d35ed SG |
766 | /* Various possibilities for alloca. */ |
767 | #ifndef alloca | |
768 | # ifdef __GNUC__ | |
769 | # define alloca __builtin_alloca | |
770 | # else | |
771 | # ifdef sparc | |
22fd4704 | 772 | # include <alloca.h> /* NOTE: Doesn't declare alloca() */ |
e676a15f | 773 | # endif |
0f552c5f JG |
774 | # ifdef __STDC__ |
775 | extern void *alloca (size_t); | |
776 | # else /* __STDC__ */ | |
777 | extern char *alloca (); | |
778 | # endif | |
0a5d35ed SG |
779 | # endif |
780 | #endif | |
e2aab031 | 781 | |
debd3443 | 782 | /* TARGET_BYTE_ORDER and HOST_BYTE_ORDER must be defined to one of these. */ |
a10c0d36 | 783 | |
0a5d35ed SG |
784 | #if !defined (BIG_ENDIAN) |
785 | #define BIG_ENDIAN 4321 | |
786 | #endif | |
a10c0d36 | 787 | |
0a5d35ed SG |
788 | #if !defined (LITTLE_ENDIAN) |
789 | #define LITTLE_ENDIAN 1234 | |
790 | #endif | |
a10c0d36 | 791 | |
2fcdae93 | 792 | /* Target-system-dependent parameters for GDB. */ |
7d9884b9 JG |
793 | |
794 | /* Target machine definition. This will be a symlink to one of the | |
795 | tm-*.h files, built by the `configure' script. */ | |
796 | ||
7d9884b9 | 797 | #include "tm.h" |
7d9884b9 | 798 | |
04f566a3 JK |
799 | /* Number of bits in a char or unsigned char for the target machine. |
800 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ | |
801 | #if !defined (TARGET_CHAR_BIT) | |
802 | #define TARGET_CHAR_BIT 8 | |
803 | #endif | |
804 | ||
805 | /* Number of bits in a short or unsigned short for the target machine. */ | |
806 | #if !defined (TARGET_SHORT_BIT) | |
807 | #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT) | |
808 | #endif | |
809 | ||
810 | /* Number of bits in an int or unsigned int for the target machine. */ | |
811 | #if !defined (TARGET_INT_BIT) | |
812 | #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT) | |
813 | #endif | |
814 | ||
815 | /* Number of bits in a long or unsigned long for the target machine. */ | |
816 | #if !defined (TARGET_LONG_BIT) | |
817 | #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT) | |
818 | #endif | |
819 | ||
820 | /* Number of bits in a long long or unsigned long long for the target machine. */ | |
821 | #if !defined (TARGET_LONG_LONG_BIT) | |
822 | #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT) | |
823 | #endif | |
824 | ||
825 | /* Number of bits in a float for the target machine. */ | |
826 | #if !defined (TARGET_FLOAT_BIT) | |
827 | #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT) | |
828 | #endif | |
829 | ||
830 | /* Number of bits in a double for the target machine. */ | |
831 | #if !defined (TARGET_DOUBLE_BIT) | |
832 | #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT) | |
833 | #endif | |
834 | ||
835 | /* Number of bits in a long double for the target machine. */ | |
836 | #if !defined (TARGET_LONG_DOUBLE_BIT) | |
837 | #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT) | |
838 | #endif | |
839 | ||
840 | /* Number of bits in a "complex" for the target machine. */ | |
841 | #if !defined (TARGET_COMPLEX_BIT) | |
842 | #define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT) | |
843 | #endif | |
844 | ||
845 | /* Number of bits in a "double complex" for the target machine. */ | |
846 | #if !defined (TARGET_DOUBLE_COMPLEX_BIT) | |
847 | #define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT) | |
848 | #endif | |
849 | ||
850 | /* Number of bits in a pointer for the target machine */ | |
851 | #if !defined (TARGET_PTR_BIT) | |
852 | #define TARGET_PTR_BIT TARGET_INT_BIT | |
853 | #endif | |
854 | ||
855 | /* If we picked up a copy of CHAR_BIT from a configuration file | |
856 | (which may get it by including <limits.h>) then use it to set | |
857 | the number of bits in a host char. If not, use the same size | |
858 | as the target. */ | |
859 | ||
860 | #if defined (CHAR_BIT) | |
861 | #define HOST_CHAR_BIT CHAR_BIT | |
862 | #else | |
863 | #define HOST_CHAR_BIT TARGET_CHAR_BIT | |
864 | #endif | |
865 | ||
7d9884b9 JG |
866 | /* The bit byte-order has to do just with numbering of bits in |
867 | debugging symbols and such. Conceptually, it's quite separate | |
868 | from byte/word byte order. */ | |
869 | ||
870 | #if !defined (BITS_BIG_ENDIAN) | |
871 | #if TARGET_BYTE_ORDER == BIG_ENDIAN | |
872 | #define BITS_BIG_ENDIAN 1 | |
873 | #endif /* Big endian. */ | |
874 | ||
875 | #if TARGET_BYTE_ORDER == LITTLE_ENDIAN | |
876 | #define BITS_BIG_ENDIAN 0 | |
877 | #endif /* Little endian. */ | |
878 | #endif /* BITS_BIG_ENDIAN not defined. */ | |
879 | ||
e3c16900 JK |
880 | /* In findvar.c. */ |
881 | LONGEST extract_signed_integer PARAMS ((void *, int)); | |
882 | unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int)); | |
883 | CORE_ADDR extract_address PARAMS ((void *, int)); | |
884 | ||
885 | void store_signed_integer PARAMS ((void *, int, LONGEST)); | |
886 | void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST)); | |
887 | void store_address PARAMS ((void *, int, CORE_ADDR)); | |
04f566a3 JK |
888 | |
889 | double extract_floating PARAMS ((void *, int)); | |
890 | void store_floating PARAMS ((void *, int, double)); | |
e3c16900 | 891 | \f |
7d9884b9 JG |
892 | /* On some machines there are bits in addresses which are not really |
893 | part of the address, but are used by the kernel, the hardware, etc. | |
894 | for special purposes. ADDR_BITS_REMOVE takes out any such bits | |
895 | so we get a "real" address such as one would find in a symbol | |
04f566a3 | 896 | table. This is used only for addresses of instructions, and even then |
e3c16900 JK |
897 | I'm not sure it's used in all contexts. It exists to deal with there |
898 | being a few stray bits in the PC which would mislead us, not as some sort | |
04f566a3 JK |
899 | of generic thing to handle alignment or segmentation (it's possible it |
900 | should be in TARGET_READ_PC instead). */ | |
7d9884b9 JG |
901 | #if !defined (ADDR_BITS_REMOVE) |
902 | #define ADDR_BITS_REMOVE(addr) (addr) | |
7d9884b9 JG |
903 | #endif /* No ADDR_BITS_REMOVE. */ |
904 | ||
d747e0af MT |
905 | /* From valops.c */ |
906 | ||
907 | extern CORE_ADDR | |
908 | push_bytes PARAMS ((CORE_ADDR, char *, int)); | |
909 | ||
d747e0af | 910 | extern CORE_ADDR |
f4f0d174 | 911 | push_word PARAMS ((CORE_ADDR, unsigned LONGEST)); |
d747e0af | 912 | |
0239d9b3 FF |
913 | /* Some parts of gdb might be considered optional, in the sense that they |
914 | are not essential for being able to build a working, usable debugger | |
915 | for a specific environment. For example, the maintenance commands | |
916 | are there for the benefit of gdb maintainers. As another example, | |
917 | some environments really don't need gdb's that are able to read N | |
918 | different object file formats. In order to make it possible (but | |
919 | not necessarily recommended) to build "stripped down" versions of | |
920 | gdb, the following defines control selective compilation of those | |
921 | parts of gdb which can be safely left out when necessary. Note that | |
922 | the default is to include everything. */ | |
923 | ||
924 | #ifndef MAINTENANCE_CMDS | |
925 | #define MAINTENANCE_CMDS 1 | |
926 | #endif | |
927 | ||
d747e0af | 928 | #endif /* !defined (DEFS_H) */ |