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c906108c | 1 | /* Basic, host-specific, and target-specific definitions for GDB. |
7a292a7a | 2 | Copyright (C) 1986, 89, 91, 92, 93, 94, 95, 96, 1998 |
c906108c SS |
3 | Free Software Foundation, Inc. |
4 | ||
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #ifndef DEFS_H | |
22 | #define DEFS_H | |
23 | ||
24 | #include "config.h" /* Generated by configure */ | |
25 | #include <stdio.h> | |
26 | #include <errno.h> /* System call error return status */ | |
27 | #include <limits.h> | |
28 | ||
29 | #ifdef HAVE_STDDEF_H | |
30 | # include <stddef.h> | |
31 | #else | |
32 | # include <sys/types.h> /* for size_t */ | |
33 | #endif | |
34 | ||
35 | /* Just in case they're not defined in stdio.h. */ | |
36 | ||
37 | #ifndef SEEK_SET | |
38 | #define SEEK_SET 0 | |
39 | #endif | |
40 | #ifndef SEEK_CUR | |
41 | #define SEEK_CUR 1 | |
42 | #endif | |
43 | ||
44 | /* First include ansidecl.h so we can use the various macro definitions | |
45 | here and in all subsequent file inclusions. */ | |
46 | ||
47 | #include "ansidecl.h" | |
48 | ||
49 | #ifdef ANSI_PROTOTYPES | |
50 | #include <stdarg.h> | |
51 | #else | |
52 | #include <varargs.h> | |
53 | #endif | |
54 | ||
55 | #include "libiberty.h" | |
56 | ||
57 | /* libiberty.h can't declare this one, but evidently we can. */ | |
58 | extern char *strsignal PARAMS ((int)); | |
59 | ||
60 | #include "progress.h" | |
61 | ||
62 | #ifdef USE_MMALLOC | |
63 | #include "mmalloc.h" | |
64 | #endif | |
65 | ||
66 | /* For BFD64 and bfd_vma. */ | |
67 | #include "bfd.h" | |
68 | ||
69 | /* An address in the program being debugged. Host byte order. Rather | |
70 | than duplicate all the logic in BFD which figures out what type | |
71 | this is (long, long long, etc.) and whether it needs to be 64 | |
72 | bits (the host/target interactions are subtle), we just use | |
73 | bfd_vma. */ | |
74 | ||
75 | typedef bfd_vma CORE_ADDR; | |
76 | ||
392a587b JM |
77 | extern int core_addr_lessthan PARAMS ((CORE_ADDR lhs, CORE_ADDR rhs)); |
78 | extern int core_addr_greaterthan PARAMS ((CORE_ADDR lhs, CORE_ADDR rhs)); | |
79 | ||
80 | ||
c906108c SS |
81 | #ifndef min |
82 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
83 | #endif | |
84 | #ifndef max | |
85 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
86 | #endif | |
87 | ||
88 | /* Gdb does *lots* of string compares. Use macros to speed them up by | |
89 | avoiding function calls if the first characters are not the same. */ | |
90 | ||
91 | #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b)) | |
92 | #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0) | |
93 | #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0) | |
94 | ||
95 | /* The character GNU C++ uses to build identifiers that must be unique from | |
96 | the program's identifiers (such as $this and $$vptr). */ | |
97 | #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */ | |
98 | ||
99 | /* Check if a character is one of the commonly used C++ marker characters. */ | |
100 | extern int is_cplus_marker PARAMS ((int)); | |
101 | ||
102 | /* use tui interface if non-zero */ | |
103 | extern int tui_version; | |
104 | ||
105 | #if defined(TUI) | |
106 | /* all invocations of TUIDO should have two sets of parens */ | |
107 | #define TUIDO(x) tuiDo x | |
108 | #else | |
109 | #define TUIDO(x) | |
110 | #endif | |
111 | ||
112 | /* enable xdb commands if set */ | |
113 | extern int xdb_commands; | |
114 | ||
115 | /* enable dbx commands if set */ | |
116 | extern int dbx_commands; | |
117 | ||
118 | extern int quit_flag; | |
119 | extern int immediate_quit; | |
120 | extern int sevenbit_strings; | |
121 | ||
122 | extern void quit PARAMS ((void)); | |
123 | ||
124 | #ifdef QUIT | |
125 | /* do twice to force compiler warning */ | |
126 | #define QUIT_FIXME "FIXME" | |
127 | #define QUIT_FIXME "ignoring redefinition of QUIT" | |
128 | #else | |
129 | #define QUIT { \ | |
130 | if (quit_flag) quit (); \ | |
131 | if (interactive_hook) interactive_hook (); \ | |
132 | PROGRESS (1); \ | |
133 | } | |
134 | #endif | |
135 | ||
136 | /* Command classes are top-level categories into which commands are broken | |
137 | down for "help" purposes. | |
138 | Notes on classes: class_alias is for alias commands which are not | |
139 | abbreviations of the original command. class-pseudo is for commands | |
140 | which are not really commands nor help topics ("stop"). */ | |
141 | ||
142 | enum command_class | |
143 | { | |
144 | /* Special args to help_list */ | |
145 | all_classes = -2, all_commands = -1, | |
146 | /* Classes of commands */ | |
147 | no_class = -1, class_run = 0, class_vars, class_stack, | |
148 | class_files, class_support, class_info, class_breakpoint, class_trace, | |
149 | class_alias, class_obscure, class_user, class_maintenance, | |
150 | class_pseudo, class_tui, class_xdb | |
151 | }; | |
152 | ||
153 | /* Languages represented in the symbol table and elsewhere. | |
154 | This should probably be in language.h, but since enum's can't | |
155 | be forward declared to satisfy opaque references before their | |
156 | actual definition, needs to be here. */ | |
157 | ||
158 | enum language | |
159 | { | |
160 | language_unknown, /* Language not known */ | |
161 | language_auto, /* Placeholder for automatic setting */ | |
162 | language_c, /* C */ | |
163 | language_cplus, /* C++ */ | |
164 | language_java, /* Java */ | |
165 | language_chill, /* Chill */ | |
166 | language_fortran, /* Fortran */ | |
167 | language_m2, /* Modula-2 */ | |
168 | language_asm, /* Assembly language */ | |
169 | language_scm /* Scheme / Guile */ | |
170 | }; | |
171 | ||
172 | enum precision_type | |
173 | { | |
174 | single_precision, | |
175 | double_precision, | |
176 | unspecified_precision | |
177 | }; | |
178 | ||
179 | /* the cleanup list records things that have to be undone | |
180 | if an error happens (descriptors to be closed, memory to be freed, etc.) | |
181 | Each link in the chain records a function to call and an | |
182 | argument to give it. | |
183 | ||
184 | Use make_cleanup to add an element to the cleanup chain. | |
185 | Use do_cleanups to do all cleanup actions back to a given | |
186 | point in the chain. Use discard_cleanups to remove cleanups | |
187 | from the chain back to a given point, not doing them. */ | |
188 | ||
189 | struct cleanup | |
190 | { | |
191 | struct cleanup *next; | |
192 | void (*function) PARAMS ((PTR)); | |
193 | PTR arg; | |
194 | }; | |
195 | ||
196 | ||
197 | /* The ability to declare that a function never returns is useful, but | |
198 | not really required to compile GDB successfully, so the NORETURN and | |
199 | ATTR_NORETURN macros normally expand into nothing. */ | |
200 | ||
201 | /* If compiling with older versions of GCC, a function may be declared | |
202 | "volatile" to indicate that it does not return. */ | |
203 | ||
204 | #ifndef NORETURN | |
205 | # if defined(__GNUC__) \ | |
206 | && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)) | |
207 | # define NORETURN volatile | |
208 | # else | |
209 | # define NORETURN /* nothing */ | |
210 | # endif | |
211 | #endif | |
212 | ||
213 | /* GCC 2.5 and later versions define a function attribute "noreturn", | |
214 | which is the preferred way to declare that a function never returns. | |
215 | However GCC 2.7 appears to be the first version in which this fully | |
216 | works everywhere we use it. */ | |
217 | ||
218 | #ifndef ATTR_NORETURN | |
219 | # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7 | |
220 | # define ATTR_NORETURN __attribute__ ((noreturn)) | |
221 | # else | |
222 | # define ATTR_NORETURN /* nothing */ | |
223 | # endif | |
224 | #endif | |
225 | ||
226 | #ifndef ATTR_FORMAT | |
227 | # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 && defined (__ANSI_PROTOTYPES) | |
228 | # define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y))) | |
229 | # else | |
230 | # define ATTR_FORMAT(type, x, y) /* nothing */ | |
231 | # endif | |
232 | #endif | |
233 | ||
234 | /* Needed for various prototypes */ | |
235 | ||
236 | #ifdef __STDC__ | |
237 | struct symtab; | |
238 | struct breakpoint; | |
239 | #endif | |
240 | ||
241 | /* From blockframe.c */ | |
242 | ||
243 | extern int inside_entry_func PARAMS ((CORE_ADDR)); | |
244 | ||
245 | extern int inside_entry_file PARAMS ((CORE_ADDR addr)); | |
246 | ||
247 | extern int inside_main_func PARAMS ((CORE_ADDR pc)); | |
248 | ||
249 | /* From ch-lang.c, for the moment. (FIXME) */ | |
250 | ||
251 | extern char *chill_demangle PARAMS ((const char *)); | |
252 | ||
253 | /* From utils.c */ | |
254 | ||
392a587b JM |
255 | extern void initialize_utils PARAMS ((void)); |
256 | ||
c906108c SS |
257 | extern void notice_quit PARAMS ((void)); |
258 | ||
259 | extern int strcmp_iw PARAMS ((const char *, const char *)); | |
260 | ||
7a292a7a SS |
261 | extern int subset_compare PARAMS ((char *, char *)); |
262 | ||
c906108c SS |
263 | extern char *safe_strerror PARAMS ((int)); |
264 | ||
265 | extern char *safe_strsignal PARAMS ((int)); | |
266 | ||
267 | extern void init_malloc PARAMS ((void *)); | |
268 | ||
269 | extern void request_quit PARAMS ((int)); | |
270 | ||
271 | extern void do_cleanups PARAMS ((struct cleanup *)); | |
272 | extern void do_final_cleanups PARAMS ((struct cleanup *)); | |
273 | extern void do_my_cleanups PARAMS ((struct cleanup **, struct cleanup *)); | |
274 | extern void do_run_cleanups PARAMS ((struct cleanup *)); | |
43ff13b4 | 275 | extern void do_exec_cleanups PARAMS ((struct cleanup *)); |
c906108c SS |
276 | |
277 | extern void discard_cleanups PARAMS ((struct cleanup *)); | |
278 | extern void discard_final_cleanups PARAMS ((struct cleanup *)); | |
279 | extern void discard_my_cleanups PARAMS ((struct cleanup **, struct cleanup *)); | |
280 | ||
281 | typedef void (*make_cleanup_func) PARAMS ((void *)); | |
282 | ||
283 | extern struct cleanup *make_cleanup PARAMS ((make_cleanup_func, void *)); | |
284 | ||
7a292a7a SS |
285 | extern struct cleanup *make_cleanup_freeargv PARAMS ((char **)); |
286 | ||
c906108c SS |
287 | extern struct cleanup *make_final_cleanup PARAMS ((make_cleanup_func, void *)); |
288 | ||
289 | extern struct cleanup *make_my_cleanup PARAMS ((struct cleanup **, | |
290 | make_cleanup_func, void *)); | |
291 | ||
292 | extern struct cleanup *make_run_cleanup PARAMS ((make_cleanup_func, void *)); | |
293 | ||
43ff13b4 JM |
294 | extern struct cleanup *make_exec_cleanup PARAMS ((make_cleanup_func, void *)); |
295 | ||
c906108c SS |
296 | extern struct cleanup *save_cleanups PARAMS ((void)); |
297 | extern struct cleanup *save_final_cleanups PARAMS ((void)); | |
298 | extern struct cleanup *save_my_cleanups PARAMS ((struct cleanup **)); | |
299 | ||
300 | extern void restore_cleanups PARAMS ((struct cleanup *)); | |
301 | extern void restore_final_cleanups PARAMS ((struct cleanup *)); | |
302 | extern void restore_my_cleanups PARAMS ((struct cleanup **, struct cleanup *)); | |
303 | ||
304 | extern void free_current_contents PARAMS ((char **)); | |
305 | ||
306 | extern void null_cleanup PARAMS ((PTR)); | |
307 | ||
308 | extern int myread PARAMS ((int, char *, int)); | |
309 | ||
310 | extern int query PARAMS((char *, ...)) | |
311 | ATTR_FORMAT(printf, 1, 2); | |
312 | ||
313 | #if !defined (USE_MMALLOC) | |
314 | extern PTR mmalloc PARAMS ((PTR, size_t)); | |
315 | extern PTR mrealloc PARAMS ((PTR, PTR, size_t)); | |
316 | extern void mfree PARAMS ((PTR, PTR)); | |
317 | #endif | |
318 | ||
392a587b JM |
319 | extern void init_page_info PARAMS ((void)); |
320 | ||
c906108c SS |
321 | /* From demangle.c */ |
322 | ||
323 | extern void set_demangling_style PARAMS ((char *)); | |
324 | ||
325 | /* From tm.h */ | |
326 | ||
327 | struct type; | |
328 | typedef int (use_struct_convention_fn) PARAMS ((int gcc_p, struct type *value_type)); | |
329 | extern use_struct_convention_fn generic_use_struct_convention; | |
330 | ||
331 | typedef unsigned char *(breakpoint_from_pc_fn) PARAMS ((CORE_ADDR *pcptr, int *lenptr)); | |
332 | ||
333 | ||
334 | \f | |
335 | /* Annotation stuff. */ | |
336 | ||
337 | extern int annotation_level; /* in stack.c */ | |
338 | \f | |
339 | extern void begin_line PARAMS ((void)); | |
340 | ||
341 | extern void wrap_here PARAMS ((char *)); | |
342 | ||
343 | extern void reinitialize_more_filter PARAMS ((void)); | |
344 | ||
345 | /* new */ | |
346 | enum streamtype | |
347 | { | |
348 | afile, | |
349 | astring | |
350 | }; | |
351 | ||
352 | /* new */ | |
ac9a91a7 | 353 | struct tui_stream |
c906108c | 354 | { |
ac9a91a7 | 355 | int *ts_magic; |
c906108c SS |
356 | enum streamtype ts_streamtype; |
357 | FILE *ts_filestream; | |
358 | char *ts_strbuf; | |
359 | int ts_buflen; | |
ac9a91a7 JM |
360 | }; |
361 | ||
362 | struct gdb_file; | |
363 | typedef struct gdb_file GDB_FILE; /* deprecated */ | |
c906108c | 364 | |
0f71a2f6 | 365 | /* Normal results */ |
c906108c | 366 | extern GDB_FILE *gdb_stdout; |
0f71a2f6 | 367 | /* Serious error notifications */ |
c906108c | 368 | extern GDB_FILE *gdb_stderr; |
0f71a2f6 JM |
369 | /* Log/debug/trace messages that should bypass normal stdout/stderr |
370 | filtering. For momement, always call this stream using | |
371 | *_unfiltered. In the very near future that restriction shall be | |
372 | removed - either call shall be unfiltered. (cagney 1999-06-13). */ | |
373 | extern GDB_FILE *gdb_stdlog; | |
43ff13b4 JM |
374 | /* Target output that should bypass normal stdout/stderr filtering. |
375 | For momement, always call this stream using *_unfiltered. In the | |
376 | very near future that restriction shall be removed - either call | |
377 | shall be unfiltered. (cagney 1999-07-02). */ | |
378 | extern GDB_FILE *gdb_stdtarg; | |
c906108c | 379 | |
c906108c SS |
380 | #if defined(TUI) |
381 | #include "tui.h" | |
382 | #include "tuiCommand.h" | |
383 | #include "tuiData.h" | |
384 | #include "tuiIO.h" | |
385 | #include "tuiLayout.h" | |
386 | #include "tuiWin.h" | |
387 | #endif | |
388 | ||
ac9a91a7 JM |
389 | /* Create a new gdb_file with the specified methods. */ |
390 | ||
391 | typedef void (gdb_file_flush_ftype) PARAMS ((struct gdb_file *stream)); | |
392 | extern void set_gdb_file_flush PARAMS ((struct gdb_file *stream, gdb_file_flush_ftype *flush)); | |
393 | ||
394 | typedef void (gdb_file_fputs_ftype) PARAMS ((const char *, struct gdb_file *stream)); | |
395 | extern void set_gdb_file_fputs PARAMS ((struct gdb_file *stream, gdb_file_fputs_ftype *fputs)); | |
396 | ||
397 | typedef int (gdb_file_isatty_ftype) PARAMS ((struct gdb_file *stream)); | |
398 | extern void set_gdb_file_isatty PARAMS ((struct gdb_file *stream, gdb_file_isatty_ftype *isatty)); | |
399 | ||
0f71a2f6 JM |
400 | typedef void (gdb_file_rewind_ftype) PARAMS ((struct gdb_file *stream)); |
401 | extern void set_gdb_file_rewind PARAMS ((struct gdb_file *stream, gdb_file_rewind_ftype *rewind)); | |
402 | ||
403 | typedef void (gdb_file_put_ftype) PARAMS ((struct gdb_file *stream, struct gdb_file *dest)); | |
404 | extern void set_gdb_file_put PARAMS ((struct gdb_file *stream, gdb_file_put_ftype *put)); | |
405 | ||
ac9a91a7 JM |
406 | typedef void (gdb_file_delete_ftype) PARAMS ((struct gdb_file *stream)); |
407 | extern void set_gdb_file_data PARAMS ((struct gdb_file *stream, void *data, gdb_file_delete_ftype *delete)); | |
408 | ||
409 | extern struct gdb_file *gdb_file_new PARAMS ((void)); | |
410 | ||
411 | extern void gdb_file_delete PARAMS ((struct gdb_file *stream)); | |
412 | ||
0f71a2f6 JM |
413 | extern void gdb_file_rewind PARAMS ((struct gdb_file *stream)); |
414 | ||
415 | /* NOTE: copies left to right */ | |
416 | extern void gdb_file_put PARAMS ((struct gdb_file *src, struct gdb_file *dest)); | |
417 | ||
ac9a91a7 JM |
418 | extern void *gdb_file_data PARAMS ((struct gdb_file *file)); |
419 | ||
420 | /* Open the specified FILE as a gdb_file. */ | |
421 | extern struct gdb_file *stdio_fileopen PARAMS ((FILE *)); | |
422 | /* #if defined (TUI) */ | |
423 | extern struct gdb_file *tui_fileopen PARAMS ((FILE *)); | |
424 | /* #endif */ | |
425 | ||
426 | /* deprecated - use gdb_file_delete */ | |
c906108c SS |
427 | extern void gdb_fclose PARAMS ((GDB_FILE **)); |
428 | ||
429 | extern void gdb_flush PARAMS ((GDB_FILE *)); | |
430 | ||
431 | extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode)); | |
432 | ||
433 | extern void fputs_filtered PARAMS ((const char *, GDB_FILE *)); | |
434 | ||
435 | extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *)); | |
436 | ||
437 | extern int fputc_filtered PARAMS ((int c, GDB_FILE *)); | |
438 | ||
439 | extern int fputc_unfiltered PARAMS ((int c, GDB_FILE *)); | |
440 | ||
441 | extern int putchar_unfiltered PARAMS ((int c)); | |
442 | ||
443 | extern void puts_filtered PARAMS ((const char *)); | |
444 | ||
445 | extern void puts_unfiltered PARAMS ((const char *)); | |
446 | ||
447 | extern void puts_debug PARAMS ((char *prefix, char *string, char *suffix)); | |
448 | ||
449 | extern void vprintf_filtered PARAMS ((const char *, va_list)) | |
450 | ATTR_FORMAT(printf, 1, 0); | |
451 | ||
452 | extern void vfprintf_filtered PARAMS ((GDB_FILE *, const char *, va_list)) | |
453 | ATTR_FORMAT(printf, 2, 0); | |
454 | ||
455 | extern void fprintf_filtered PARAMS ((GDB_FILE *, const char *, ...)) | |
456 | ATTR_FORMAT(printf, 2, 3); | |
457 | ||
458 | extern void fprintfi_filtered PARAMS ((int, GDB_FILE *, const char *, ...)) | |
459 | ATTR_FORMAT(printf, 3, 4); | |
460 | ||
461 | extern void printf_filtered PARAMS ((const char *, ...)) | |
462 | ATTR_FORMAT(printf, 1, 2); | |
463 | ||
464 | extern void printfi_filtered PARAMS ((int, const char *, ...)) | |
465 | ATTR_FORMAT(printf, 2, 3); | |
466 | ||
467 | extern void vprintf_unfiltered PARAMS ((const char *, va_list)) | |
468 | ATTR_FORMAT(printf, 1, 0); | |
469 | ||
470 | extern void vfprintf_unfiltered PARAMS ((GDB_FILE *, const char *, va_list)) | |
471 | ATTR_FORMAT(printf, 2, 0); | |
472 | ||
473 | extern void fprintf_unfiltered PARAMS ((GDB_FILE *, const char *, ...)) | |
474 | ATTR_FORMAT(printf, 2, 3); | |
475 | ||
476 | extern void printf_unfiltered PARAMS ((const char *, ...)) | |
477 | ATTR_FORMAT(printf, 1, 2); | |
478 | ||
479 | extern int gdb_file_isatty PARAMS ((GDB_FILE *)); | |
480 | ||
ac9a91a7 | 481 | /* #if defined (TUI) */ |
c906108c | 482 | extern GDB_FILE *gdb_file_init_astring PARAMS ((int)); |
ac9a91a7 | 483 | /* #endif */ |
c906108c SS |
484 | |
485 | extern void gdb_file_deallocate PARAMS ((GDB_FILE **)); | |
486 | ||
ac9a91a7 | 487 | /* #if defined (TUI) */ |
c906108c | 488 | extern char *gdb_file_get_strbuf PARAMS ((GDB_FILE *)); |
ac9a91a7 | 489 | /* #endif */ |
c906108c | 490 | |
ac9a91a7 | 491 | /* #if defined (TUI) */ |
c906108c | 492 | extern void gdb_file_adjust_strbuf PARAMS ((int, GDB_FILE *)); |
ac9a91a7 | 493 | /* #endif */ |
c906108c SS |
494 | |
495 | extern void print_spaces PARAMS ((int, GDB_FILE *)); | |
496 | ||
497 | extern void print_spaces_filtered PARAMS ((int, GDB_FILE *)); | |
498 | ||
499 | extern char *n_spaces PARAMS ((int)); | |
500 | ||
501 | extern void gdb_printchar PARAMS ((int, GDB_FILE *, int)); | |
502 | ||
503 | extern void gdb_print_address PARAMS ((void *, GDB_FILE *)); | |
504 | ||
505 | typedef bfd_vma t_addr; | |
506 | typedef bfd_vma t_reg; | |
507 | extern char* paddr PARAMS ((t_addr addr)); | |
508 | ||
509 | extern char* preg PARAMS ((t_reg reg)); | |
510 | ||
511 | extern char* paddr_nz PARAMS ((t_addr addr)); | |
512 | ||
513 | extern char* preg_nz PARAMS ((t_reg reg)); | |
514 | ||
515 | extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *, | |
516 | enum language, int)); | |
517 | ||
518 | extern NORETURN void perror_with_name PARAMS ((char *)) ATTR_NORETURN; | |
519 | ||
520 | extern void print_sys_errmsg PARAMS ((char *, int)); | |
521 | ||
522 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as | |
523 | "const char *" in unistd.h, so we can't declare the argument | |
524 | as "char *". */ | |
525 | ||
526 | extern char *re_comp PARAMS ((const char *)); | |
527 | ||
528 | /* From symfile.c */ | |
529 | ||
530 | extern void symbol_file_command PARAMS ((char *, int)); | |
531 | ||
532 | /* From top.c */ | |
533 | ||
534 | extern char *skip_quoted PARAMS ((char *)); | |
535 | ||
536 | extern char *gdb_readline PARAMS ((char *)); | |
537 | ||
538 | extern char *command_line_input PARAMS ((char *, int, char *)); | |
539 | ||
540 | extern void print_prompt PARAMS ((void)); | |
541 | ||
542 | extern int input_from_terminal_p PARAMS ((void)); | |
543 | ||
544 | extern int info_verbose; | |
545 | ||
546 | /* From printcmd.c */ | |
547 | ||
548 | extern void set_next_address PARAMS ((CORE_ADDR)); | |
549 | ||
550 | extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int, | |
551 | char *)); | |
552 | ||
553 | extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *)); | |
554 | ||
555 | extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *)); | |
556 | ||
557 | /* From source.c */ | |
558 | ||
559 | extern int openp PARAMS ((char *, int, char *, int, int, char **)); | |
560 | ||
561 | extern int source_full_path_of PARAMS ((char *, char **)); | |
562 | ||
563 | extern void mod_path PARAMS ((char *, char **)); | |
564 | ||
565 | extern void directory_command PARAMS ((char *, int)); | |
566 | ||
567 | extern void init_source_path PARAMS ((void)); | |
568 | ||
569 | extern char *symtab_to_filename PARAMS ((struct symtab *)); | |
570 | ||
571 | /* From findvar.c */ | |
572 | ||
573 | extern int read_relative_register_raw_bytes PARAMS ((int, char *)); | |
574 | ||
392a587b JM |
575 | #if __STDC__ |
576 | enum lval_type; | |
577 | struct frame_info; | |
578 | #endif | |
579 | void default_get_saved_register PARAMS ((char *raw_buffer, int *optimized, | |
580 | CORE_ADDR *addrp, | |
581 | struct frame_info *frame, int regnum, | |
582 | enum lval_type *lval)); | |
583 | ||
c906108c SS |
584 | /* From readline (but not in any readline .h files). */ |
585 | ||
586 | extern char *tilde_expand PARAMS ((char *)); | |
587 | ||
588 | /* Control types for commands */ | |
589 | ||
590 | enum misc_command_type | |
591 | { | |
592 | ok_command, | |
593 | end_command, | |
594 | else_command, | |
595 | nop_command | |
596 | }; | |
597 | ||
598 | enum command_control_type | |
599 | { | |
600 | simple_control, | |
601 | break_control, | |
602 | continue_control, | |
603 | while_control, | |
604 | if_control, | |
605 | invalid_control | |
606 | }; | |
607 | ||
608 | /* Structure for saved commands lines | |
609 | (for breakpoints, defined commands, etc). */ | |
610 | ||
611 | struct command_line | |
612 | { | |
613 | struct command_line *next; | |
614 | char *line; | |
615 | enum command_control_type control_type; | |
616 | int body_count; | |
617 | struct command_line **body_list; | |
618 | }; | |
619 | ||
620 | extern struct command_line *read_command_lines PARAMS ((char *, int)); | |
621 | ||
622 | extern void free_command_lines PARAMS ((struct command_line **)); | |
623 | ||
43ff13b4 JM |
624 | /* To continue the execution commands when running gdb asynchronously. |
625 | A continuation structure contains a pointer to a function to be called | |
626 | to finish the command, once the target has stopped. Such mechanism is | |
627 | used bt the finish and until commands, and in the remote protocol | |
628 | when opening an extended-remote connection. */ | |
629 | ||
630 | struct continuation_arg | |
631 | { | |
632 | struct continuation_arg *next; | |
633 | PTR data; | |
634 | }; | |
635 | ||
636 | struct continuation | |
637 | { | |
638 | void (*continuation_hook) PARAMS ((struct continuation_arg *)); | |
639 | struct continuation_arg *arg_list; | |
640 | struct continuation *next; | |
641 | } | |
642 | continuation; | |
643 | ||
644 | /* In infrun.c. */ | |
645 | extern struct continuation *cmd_continuation; | |
646 | ||
647 | /* From utils.c */ | |
648 | void add_continuation PARAMS ((void (*) PARAMS ((struct continuation_arg *)), | |
649 | struct continuation_arg *)); | |
650 | void do_all_continuations PARAMS ((void)); | |
651 | ||
c906108c SS |
652 | /* String containing the current directory (what getwd would return). */ |
653 | ||
654 | extern char *current_directory; | |
655 | ||
656 | /* Default radixes for input and output. Only some values supported. */ | |
657 | extern unsigned input_radix; | |
658 | extern unsigned output_radix; | |
659 | ||
660 | /* Possibilities for prettyprint parameters to routines which print | |
661 | things. Like enum language, this should be in value.h, but needs | |
662 | to be here for the same reason. FIXME: If we can eliminate this | |
663 | as an arg to LA_VAL_PRINT, then we can probably move it back to | |
664 | value.h. */ | |
665 | ||
666 | enum val_prettyprint | |
667 | { | |
668 | Val_no_prettyprint = 0, | |
669 | Val_prettyprint, | |
670 | /* Use the default setting which the user has specified. */ | |
671 | Val_pretty_default | |
672 | }; | |
673 | ||
674 | \f | |
675 | /* Host machine definition. This will be a symlink to one of the | |
676 | xm-*.h files, built by the `configure' script. */ | |
677 | ||
678 | #include "xm.h" | |
679 | ||
680 | /* Native machine support. This will be a symlink to one of the | |
681 | nm-*.h files, built by the `configure' script. */ | |
682 | ||
683 | #include "nm.h" | |
684 | ||
685 | /* Target machine definition. This will be a symlink to one of the | |
686 | tm-*.h files, built by the `configure' script. */ | |
687 | ||
688 | #include "tm.h" | |
689 | ||
690 | /* If the xm.h file did not define the mode string used to open the | |
691 | files, assume that binary files are opened the same way as text | |
692 | files */ | |
693 | #ifndef FOPEN_RB | |
694 | #include "fopen-same.h" | |
695 | #endif | |
696 | ||
697 | /* Microsoft C can't deal with const pointers */ | |
698 | ||
699 | #ifdef _MSC_VER | |
700 | #define CONST_PTR | |
701 | #else | |
702 | #define CONST_PTR const | |
703 | #endif | |
704 | ||
705 | /* | |
706 | * Allow things in gdb to be declared "volatile". If compiling ANSI, it | |
707 | * just works. If compiling with gcc but non-ansi, redefine to __volatile__. | |
708 | * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those | |
709 | * objects be read-write rather than read-only. | |
710 | */ | |
711 | ||
712 | #ifndef volatile | |
713 | #ifndef __STDC__ | |
714 | # ifdef __GNUC__ | |
715 | # define volatile __volatile__ | |
716 | # else | |
717 | # define volatile /*nothing*/ | |
718 | # endif /* GNUC */ | |
719 | #endif /* STDC */ | |
720 | #endif /* volatile */ | |
721 | ||
722 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). | |
723 | FIXME: Assumes 2's complement arithmetic */ | |
724 | ||
725 | #if !defined (UINT_MAX) | |
726 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ | |
727 | #endif | |
728 | ||
729 | #if !defined (INT_MAX) | |
730 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ | |
731 | #endif | |
732 | ||
733 | #if !defined (INT_MIN) | |
734 | #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */ | |
735 | #endif | |
736 | ||
737 | #if !defined (ULONG_MAX) | |
738 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ | |
739 | #endif | |
740 | ||
741 | #if !defined (LONG_MAX) | |
742 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ | |
743 | #endif | |
744 | ||
745 | #ifndef LONGEST | |
746 | ||
747 | #ifdef BFD64 | |
748 | ||
749 | /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */ | |
750 | ||
751 | #define LONGEST BFD_HOST_64_BIT | |
752 | #define ULONGEST BFD_HOST_U_64_BIT | |
753 | ||
754 | #else /* No BFD64 */ | |
755 | ||
756 | # ifdef CC_HAS_LONG_LONG | |
757 | # define LONGEST long long | |
758 | # define ULONGEST unsigned long long | |
759 | # else | |
760 | /* BFD_HOST_64_BIT is defined for some hosts that don't have long long | |
761 | (e.g. i386-windows) so try it. */ | |
762 | # ifdef BFD_HOST_64_BIT | |
763 | # define LONGEST BFD_HOST_64_BIT | |
764 | # define ULONGEST BFD_HOST_U_64_BIT | |
765 | # else | |
766 | # define LONGEST long | |
767 | # define ULONGEST unsigned long | |
768 | # endif | |
769 | # endif | |
770 | ||
771 | #endif /* No BFD64 */ | |
772 | ||
773 | #endif /* ! LONGEST */ | |
774 | ||
775 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
776 | arguments to a function, number in a value history, register number, etc.) | |
777 | where the value must not be larger than can fit in an int. */ | |
778 | ||
779 | extern int longest_to_int PARAMS ((LONGEST)); | |
780 | ||
781 | /* Assorted functions we can declare, now that const and volatile are | |
782 | defined. */ | |
783 | ||
784 | extern char *savestring PARAMS ((const char *, int)); | |
785 | ||
786 | extern char *msavestring PARAMS ((void *, const char *, int)); | |
787 | ||
788 | extern char *strsave PARAMS ((const char *)); | |
789 | ||
790 | extern char *mstrsave PARAMS ((void *, const char *)); | |
791 | ||
792 | #ifdef _MSC_VER /* FIXME; was long, but this causes compile errors in msvc if already defined */ | |
793 | extern PTR xmmalloc PARAMS ((PTR, size_t)); | |
794 | ||
795 | extern PTR xmrealloc PARAMS ((PTR, PTR, size_t)); | |
796 | #else | |
797 | extern PTR xmmalloc PARAMS ((PTR, long)); | |
798 | ||
799 | extern PTR xmrealloc PARAMS ((PTR, PTR, long)); | |
800 | #endif | |
801 | ||
802 | extern int parse_escape PARAMS ((char **)); | |
803 | ||
c906108c SS |
804 | /* Message to be printed before the error message, when an error occurs. */ |
805 | ||
806 | extern char *error_pre_print; | |
807 | ||
808 | /* Message to be printed before the error message, when an error occurs. */ | |
809 | ||
810 | extern char *quit_pre_print; | |
811 | ||
812 | /* Message to be printed before the warning message, when a warning occurs. */ | |
813 | ||
814 | extern char *warning_pre_print; | |
815 | ||
816 | extern NORETURN void error PARAMS((const char *, ...)) ATTR_NORETURN; | |
817 | ||
818 | extern void error_begin PARAMS ((void)); | |
819 | ||
820 | extern NORETURN void fatal PARAMS((char *, ...)) ATTR_NORETURN; | |
821 | ||
822 | extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN; | |
823 | ||
824 | /* Reasons for calling return_to_top_level. */ | |
825 | enum return_reason { | |
826 | /* User interrupt. */ | |
827 | RETURN_QUIT, | |
828 | ||
829 | /* Any other error. */ | |
830 | RETURN_ERROR | |
831 | }; | |
832 | ||
43ff13b4 JM |
833 | #define ALL_CLEANUPS ((struct cleanup *)0) |
834 | ||
c906108c SS |
835 | #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT) |
836 | #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR) | |
837 | #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR) | |
838 | typedef int return_mask; | |
839 | ||
840 | extern NORETURN void | |
841 | return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN; | |
842 | ||
843 | typedef int (catch_errors_ftype) PARAMS ((PTR)); | |
844 | extern int catch_errors PARAMS ((catch_errors_ftype *, PTR, char *, return_mask)); | |
845 | ||
846 | extern void warning_begin PARAMS ((void)); | |
847 | ||
848 | extern void warning PARAMS ((const char *, ...)) | |
849 | ATTR_FORMAT(printf, 1, 2); | |
850 | ||
851 | /* Global functions from other, non-gdb GNU thingies. | |
852 | Libiberty thingies are no longer declared here. We include libiberty.h | |
853 | above, instead. */ | |
854 | ||
855 | #ifndef GETENV_PROVIDED | |
856 | extern char *getenv PARAMS ((const char *)); | |
857 | #endif | |
858 | ||
859 | /* From other system libraries */ | |
860 | ||
861 | #ifdef HAVE_STDDEF_H | |
862 | #include <stddef.h> | |
863 | #endif | |
864 | ||
865 | #ifdef HAVE_STDLIB_H | |
866 | #if defined(_MSC_VER) && !defined(__cplusplus) | |
867 | /* msvc defines these in stdlib.h for c code */ | |
868 | #undef min | |
869 | #undef max | |
870 | #endif | |
871 | #include <stdlib.h> | |
872 | #endif | |
873 | #ifndef min | |
874 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
875 | #endif | |
876 | #ifndef max | |
877 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
878 | #endif | |
879 | ||
880 | ||
881 | /* We take the address of fclose later, but some stdio's forget | |
882 | to declare this. We can't always declare it since there's | |
883 | no way to declare the parameters without upsetting some compiler | |
884 | somewhere. */ | |
885 | ||
886 | #ifndef FCLOSE_PROVIDED | |
887 | extern int fclose PARAMS ((FILE *)); | |
888 | #endif | |
889 | ||
890 | #ifndef atof | |
891 | extern double atof PARAMS ((const char *)); /* X3.159-1989 4.10.1.1 */ | |
892 | #endif | |
893 | ||
894 | #ifndef MALLOC_INCOMPATIBLE | |
895 | ||
896 | #ifdef NEED_DECLARATION_MALLOC | |
897 | extern PTR malloc (); | |
898 | #endif | |
899 | ||
900 | #ifdef NEED_DECLARATION_REALLOC | |
901 | extern PTR realloc (); | |
902 | #endif | |
903 | ||
904 | #ifdef NEED_DECLARATION_FREE | |
905 | extern void free (); | |
906 | #endif | |
907 | ||
908 | #endif /* MALLOC_INCOMPATIBLE */ | |
909 | ||
910 | /* Various possibilities for alloca. */ | |
911 | #ifndef alloca | |
912 | # ifdef __GNUC__ | |
913 | # define alloca __builtin_alloca | |
914 | # else /* Not GNU C */ | |
915 | # ifdef HAVE_ALLOCA_H | |
916 | # include <alloca.h> | |
917 | # else | |
918 | # ifdef _AIX | |
919 | #pragma alloca | |
920 | # else | |
921 | ||
922 | /* We need to be careful not to declare this in a way which conflicts with | |
923 | bison. Bison never declares it as char *, but under various circumstances | |
924 | (like __hpux) we need to use void *. */ | |
925 | # if defined (__STDC__) || defined (__hpux) | |
926 | extern void *alloca (); | |
927 | # else /* Don't use void *. */ | |
928 | extern char *alloca (); | |
929 | # endif /* Don't use void *. */ | |
930 | # endif /* Not _AIX */ | |
931 | # endif /* Not HAVE_ALLOCA_H */ | |
932 | # endif /* Not GNU C */ | |
933 | #endif /* alloca not defined */ | |
934 | ||
935 | /* HOST_BYTE_ORDER must be defined to one of these. */ | |
936 | ||
937 | #ifdef HAVE_ENDIAN_H | |
938 | #include <endian.h> | |
939 | #endif | |
940 | ||
941 | #if !defined (BIG_ENDIAN) | |
942 | #define BIG_ENDIAN 4321 | |
943 | #endif | |
944 | ||
945 | #if !defined (LITTLE_ENDIAN) | |
946 | #define LITTLE_ENDIAN 1234 | |
947 | #endif | |
948 | ||
949 | /* Dynamic target-system-dependent parameters for GDB. */ | |
950 | #include "gdbarch.h" | |
951 | ||
952 | /* Static target-system-dependent parameters for GDB. */ | |
953 | ||
954 | /* Number of bits in a char or unsigned char for the target machine. | |
955 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ | |
956 | #if !defined (TARGET_CHAR_BIT) | |
957 | #define TARGET_CHAR_BIT 8 | |
958 | #endif | |
959 | ||
960 | /* Number of bits in a short or unsigned short for the target machine. */ | |
961 | #if !defined (TARGET_SHORT_BIT) | |
962 | #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT) | |
963 | #endif | |
964 | ||
965 | /* Number of bits in an int or unsigned int for the target machine. */ | |
966 | #if !defined (TARGET_INT_BIT) | |
967 | #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT) | |
968 | #endif | |
969 | ||
970 | /* Number of bits in a long or unsigned long for the target machine. */ | |
971 | #if !defined (TARGET_LONG_BIT) | |
972 | #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT) | |
973 | #endif | |
974 | ||
975 | /* Number of bits in a long long or unsigned long long for the target machine. */ | |
976 | #if !defined (TARGET_LONG_LONG_BIT) | |
977 | #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT) | |
978 | #endif | |
979 | ||
980 | /* Number of bits in a float for the target machine. */ | |
981 | #if !defined (TARGET_FLOAT_BIT) | |
982 | #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT) | |
983 | #endif | |
984 | ||
985 | /* Number of bits in a double for the target machine. */ | |
986 | #if !defined (TARGET_DOUBLE_BIT) | |
987 | #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT) | |
988 | #endif | |
989 | ||
990 | /* Number of bits in a long double for the target machine. */ | |
991 | #if !defined (TARGET_LONG_DOUBLE_BIT) | |
992 | #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT) | |
993 | #endif | |
994 | ||
995 | /* Number of bits in a pointer for the target machine */ | |
996 | #if !defined (TARGET_PTR_BIT) | |
997 | #define TARGET_PTR_BIT TARGET_INT_BIT | |
998 | #endif | |
999 | ||
1000 | /* If we picked up a copy of CHAR_BIT from a configuration file | |
1001 | (which may get it by including <limits.h>) then use it to set | |
1002 | the number of bits in a host char. If not, use the same size | |
1003 | as the target. */ | |
1004 | ||
1005 | #if defined (CHAR_BIT) | |
1006 | #define HOST_CHAR_BIT CHAR_BIT | |
1007 | #else | |
1008 | #define HOST_CHAR_BIT TARGET_CHAR_BIT | |
1009 | #endif | |
1010 | ||
1011 | /* The bit byte-order has to do just with numbering of bits in | |
1012 | debugging symbols and such. Conceptually, it's quite separate | |
1013 | from byte/word byte order. */ | |
1014 | ||
1015 | #if !defined (BITS_BIG_ENDIAN) | |
1016 | #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN) | |
1017 | #endif | |
1018 | ||
1019 | /* In findvar.c. */ | |
1020 | ||
1021 | extern LONGEST extract_signed_integer PARAMS ((void *, int)); | |
1022 | ||
1023 | extern ULONGEST extract_unsigned_integer PARAMS ((void *, int)); | |
1024 | ||
1025 | extern int extract_long_unsigned_integer PARAMS ((void *, int, LONGEST *)); | |
1026 | ||
1027 | extern CORE_ADDR extract_address PARAMS ((void *, int)); | |
1028 | ||
1029 | extern void store_signed_integer PARAMS ((PTR, int, LONGEST)); | |
1030 | ||
1031 | extern void store_unsigned_integer PARAMS ((PTR, int, ULONGEST)); | |
1032 | ||
1033 | extern void store_address PARAMS ((PTR, int, LONGEST)); | |
1034 | ||
1035 | /* Setup definitions for host and target floating point formats. We need to | |
1036 | consider the format for `float', `double', and `long double' for both target | |
1037 | and host. We need to do this so that we know what kind of conversions need | |
1038 | to be done when converting target numbers to and from the hosts DOUBLEST | |
1039 | data type. */ | |
1040 | ||
1041 | /* This is used to indicate that we don't know the format of the floating point | |
1042 | number. Typically, this is useful for native ports, where the actual format | |
1043 | is irrelevant, since no conversions will be taking place. */ | |
1044 | ||
1045 | extern const struct floatformat floatformat_unknown; | |
1046 | ||
1047 | #if HOST_BYTE_ORDER == BIG_ENDIAN | |
1048 | # ifndef HOST_FLOAT_FORMAT | |
1049 | # define HOST_FLOAT_FORMAT &floatformat_ieee_single_big | |
1050 | # endif | |
1051 | # ifndef HOST_DOUBLE_FORMAT | |
1052 | # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big | |
1053 | # endif | |
1054 | #else /* LITTLE_ENDIAN */ | |
1055 | # ifndef HOST_FLOAT_FORMAT | |
1056 | # define HOST_FLOAT_FORMAT &floatformat_ieee_single_little | |
1057 | # endif | |
1058 | # ifndef HOST_DOUBLE_FORMAT | |
1059 | # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little | |
1060 | # endif | |
1061 | #endif | |
1062 | ||
1063 | #ifndef HOST_LONG_DOUBLE_FORMAT | |
1064 | #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown | |
1065 | #endif | |
1066 | ||
1067 | #ifndef TARGET_FLOAT_FORMAT | |
1068 | #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \ | |
1069 | ? &floatformat_ieee_single_big \ | |
1070 | : &floatformat_ieee_single_little) | |
1071 | #endif | |
1072 | #ifndef TARGET_DOUBLE_FORMAT | |
1073 | #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \ | |
1074 | ? &floatformat_ieee_double_big \ | |
1075 | : &floatformat_ieee_double_little) | |
1076 | #endif | |
1077 | ||
1078 | #ifndef TARGET_LONG_DOUBLE_FORMAT | |
1079 | # define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown | |
1080 | #endif | |
1081 | ||
1082 | /* Use `long double' if the host compiler supports it. (Note that this is not | |
1083 | necessarily any longer than `double'. On SunOS/gcc, it's the same as | |
1084 | double.) This is necessary because GDB internally converts all floating | |
1085 | point values to the widest type supported by the host. | |
1086 | ||
1087 | There are problems however, when the target `long double' is longer than the | |
1088 | host's `long double'. In general, we'll probably reduce the precision of | |
1089 | any such values and print a warning. */ | |
1090 | ||
1091 | #ifdef HAVE_LONG_DOUBLE | |
1092 | typedef long double DOUBLEST; | |
1093 | #else | |
1094 | typedef double DOUBLEST; | |
1095 | #endif | |
1096 | ||
1097 | extern void floatformat_to_doublest PARAMS ((const struct floatformat *, | |
1098 | char *, DOUBLEST *)); | |
1099 | extern void floatformat_from_doublest PARAMS ((const struct floatformat *, | |
1100 | DOUBLEST *, char *)); | |
1101 | extern DOUBLEST extract_floating PARAMS ((void *, int)); | |
1102 | ||
1103 | extern void store_floating PARAMS ((void *, int, DOUBLEST)); | |
1104 | \f | |
1105 | /* On some machines there are bits in addresses which are not really | |
1106 | part of the address, but are used by the kernel, the hardware, etc. | |
1107 | for special purposes. ADDR_BITS_REMOVE takes out any such bits | |
1108 | so we get a "real" address such as one would find in a symbol | |
1109 | table. This is used only for addresses of instructions, and even then | |
1110 | I'm not sure it's used in all contexts. It exists to deal with there | |
1111 | being a few stray bits in the PC which would mislead us, not as some sort | |
1112 | of generic thing to handle alignment or segmentation (it's possible it | |
cd0fc7c3 | 1113 | should be in TARGET_READ_PC instead). */ |
c906108c SS |
1114 | #if !defined (ADDR_BITS_REMOVE) |
1115 | #define ADDR_BITS_REMOVE(addr) (addr) | |
1116 | #endif /* No ADDR_BITS_REMOVE. */ | |
1117 | ||
1118 | /* From valops.c */ | |
1119 | ||
1120 | extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int)); | |
1121 | ||
1122 | extern CORE_ADDR push_word PARAMS ((CORE_ADDR, ULONGEST)); | |
1123 | ||
c906108c | 1124 | extern int watchdog; |
c906108c SS |
1125 | |
1126 | /* Hooks for alternate command interfaces. */ | |
c906108c SS |
1127 | #ifdef __STDC__ |
1128 | struct target_waitstatus; | |
1129 | struct cmd_list_element; | |
1130 | #endif | |
1131 | ||
0f71a2f6 JM |
1132 | /* Should the asynchronous variant of the interpreter (using the |
1133 | event-loop) be enabled? */ | |
1134 | extern int async_p; | |
1135 | ||
c906108c SS |
1136 | extern void (*init_ui_hook) PARAMS ((char *argv0)); |
1137 | extern void (*command_loop_hook) PARAMS ((void)); | |
1138 | extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer, | |
1139 | GDB_FILE *stream)); | |
1140 | extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s, | |
1141 | int line, int stopline, | |
1142 | int noerror)); | |
1143 | extern struct frame_info *parse_frame_specification PARAMS ((char *frame_exp)); | |
1144 | extern int (*query_hook) PARAMS ((const char *, va_list)); | |
1145 | extern void (*warning_hook) PARAMS ((const char *, va_list)); | |
1146 | extern void (*flush_hook) PARAMS ((GDB_FILE *stream)); | |
1147 | extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b)); | |
1148 | extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); | |
1149 | extern void (*modify_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); | |
c906108c SS |
1150 | extern void (*interactive_hook) PARAMS ((void)); |
1151 | extern void (*registers_changed_hook) PARAMS ((void)); | |
1152 | extern void (*readline_begin_hook) PARAMS ((char *, ...)); | |
1153 | extern char * (*readline_hook) PARAMS ((char *)); | |
1154 | extern void (*readline_end_hook) PARAMS ((void)); | |
1155 | extern void (*register_changed_hook) PARAMS ((int regno)); | |
1156 | extern void (*memory_changed_hook) PARAMS ((CORE_ADDR addr, int len)); | |
1157 | extern void (*context_hook) PARAMS ((int)); | |
1158 | extern int (*target_wait_hook) PARAMS ((int pid, | |
1159 | struct target_waitstatus *status)); | |
1160 | ||
1161 | extern void (*call_command_hook) PARAMS ((struct cmd_list_element *c, | |
1162 | char *cmd, int from_tty)); | |
1163 | ||
1164 | extern NORETURN void (*error_hook) PARAMS ((void)) ATTR_NORETURN; | |
1165 | ||
1166 | extern void (*error_begin_hook) PARAMS ((void)); | |
1167 | ||
1168 | ||
1169 | /* Inhibit window interface if non-zero. */ | |
1170 | ||
1171 | extern int use_windows; | |
1172 | ||
1173 | /* Symbolic definitions of filename-related things. */ | |
1174 | /* FIXME, this doesn't work very well if host and executable | |
1175 | filesystems conventions are different. */ | |
1176 | ||
1177 | #ifndef DIRNAME_SEPARATOR | |
1178 | #define DIRNAME_SEPARATOR ':' | |
1179 | #endif | |
1180 | ||
1181 | #ifndef SLASH_P | |
1182 | #if defined(__GO32__)||defined(_WIN32) | |
1183 | #define SLASH_P(X) ((X)=='\\') | |
1184 | #else | |
1185 | #define SLASH_P(X) ((X)=='/') | |
1186 | #endif | |
1187 | #endif | |
1188 | ||
1189 | #ifndef SLASH_CHAR | |
1190 | #if defined(__GO32__)||defined(_WIN32) | |
1191 | #define SLASH_CHAR '\\' | |
1192 | #else | |
1193 | #define SLASH_CHAR '/' | |
1194 | #endif | |
1195 | #endif | |
1196 | ||
1197 | #ifndef SLASH_STRING | |
1198 | #if defined(__GO32__)||defined(_WIN32) | |
1199 | #define SLASH_STRING "\\" | |
1200 | #else | |
1201 | #define SLASH_STRING "/" | |
1202 | #endif | |
1203 | #endif | |
1204 | ||
1205 | #ifndef ROOTED_P | |
1206 | #define ROOTED_P(X) (SLASH_P((X)[0])) | |
1207 | #endif | |
1208 | ||
1209 | /* On some systems, PIDGET is defined to extract the inferior pid from | |
1210 | an internal pid that has the thread id and pid in seperate bit | |
1211 | fields. If not defined, then just use the entire internal pid as | |
1212 | the actual pid. */ | |
1213 | ||
1214 | #ifndef PIDGET | |
1215 | #define PIDGET(pid) (pid) | |
1216 | #endif | |
1217 | ||
1218 | /* If under Cygwin, provide backwards compatibility with older | |
1219 | Cygwin compilers that don't define the current cpp define. */ | |
1220 | #ifdef __CYGWIN32__ | |
1221 | #ifndef __CYGWIN__ | |
1222 | #define __CYGWIN__ | |
1223 | #endif | |
1224 | #endif | |
1225 | ||
1226 | #endif /* #ifndef DEFS_H */ |