Commit | Line | Data |
---|---|---|
9846de1b | 1 | /* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */ |
c906108c | 2 | /* Basic, host-specific, and target-specific definitions for GDB. |
c5aa993b | 3 | Copyright (C) 1986, 89, 91, 92, 93, 94, 95, 96, 98, 1999 |
c906108c SS |
4 | Free Software Foundation, Inc. |
5 | ||
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #ifndef DEFS_H | |
24 | #define DEFS_H | |
25 | ||
26 | #include "config.h" /* Generated by configure */ | |
27 | #include <stdio.h> | |
28 | #include <errno.h> /* System call error return status */ | |
29 | #include <limits.h> | |
30 | ||
31 | #ifdef HAVE_STDDEF_H | |
917317f4 | 32 | #include <stddef.h> |
c906108c | 33 | #else |
917317f4 | 34 | #include <sys/types.h> /* for size_t */ |
c906108c SS |
35 | #endif |
36 | ||
104c1213 JM |
37 | #ifdef HAVE_UNISTD_H |
38 | #include <unistd.h> | |
39 | #endif | |
40 | ||
c906108c SS |
41 | /* Just in case they're not defined in stdio.h. */ |
42 | ||
43 | #ifndef SEEK_SET | |
44 | #define SEEK_SET 0 | |
45 | #endif | |
46 | #ifndef SEEK_CUR | |
47 | #define SEEK_CUR 1 | |
48 | #endif | |
49 | ||
50 | /* First include ansidecl.h so we can use the various macro definitions | |
51 | here and in all subsequent file inclusions. */ | |
52 | ||
53 | #include "ansidecl.h" | |
54 | ||
917317f4 | 55 | #include <stdarg.h> /* for va_list */ |
c906108c SS |
56 | |
57 | #include "libiberty.h" | |
58 | ||
59 | /* libiberty.h can't declare this one, but evidently we can. */ | |
917317f4 | 60 | extern char *strsignal (int); |
c906108c SS |
61 | |
62 | #include "progress.h" | |
63 | ||
64 | #ifdef USE_MMALLOC | |
65 | #include "mmalloc.h" | |
66 | #endif | |
67 | ||
68 | /* For BFD64 and bfd_vma. */ | |
69 | #include "bfd.h" | |
70 | ||
71 | /* An address in the program being debugged. Host byte order. Rather | |
72 | than duplicate all the logic in BFD which figures out what type | |
73 | this is (long, long long, etc.) and whether it needs to be 64 | |
74 | bits (the host/target interactions are subtle), we just use | |
75 | bfd_vma. */ | |
76 | ||
77 | typedef bfd_vma CORE_ADDR; | |
78 | ||
104c1213 JM |
79 | /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */ |
80 | ||
81 | #ifndef LONGEST | |
82 | ||
83 | #ifdef BFD64 | |
84 | ||
85 | #define LONGEST BFD_HOST_64_BIT | |
86 | #define ULONGEST BFD_HOST_U_64_BIT | |
87 | ||
88 | #else /* No BFD64 */ | |
89 | ||
917317f4 JM |
90 | #ifdef CC_HAS_LONG_LONG |
91 | #define LONGEST long long | |
92 | #define ULONGEST unsigned long long | |
93 | #else | |
94 | #ifdef BFD_HOST_64_BIT | |
104c1213 JM |
95 | /* BFD_HOST_64_BIT is defined for some hosts that don't have long long |
96 | (e.g. i386-windows) so try it. */ | |
917317f4 JM |
97 | #define LONGEST BFD_HOST_64_BIT |
98 | #define ULONGEST BFD_HOST_U_64_BIT | |
99 | #else | |
100 | #define LONGEST long | |
101 | #define ULONGEST unsigned long | |
102 | #endif | |
103 | #endif | |
104c1213 JM |
104 | |
105 | #endif /* No BFD64 */ | |
106 | ||
107 | #endif /* ! LONGEST */ | |
108 | ||
917317f4 JM |
109 | extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs); |
110 | extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
392a587b JM |
111 | |
112 | ||
c906108c SS |
113 | #ifndef min |
114 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
115 | #endif | |
116 | #ifndef max | |
117 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
118 | #endif | |
119 | ||
120 | /* Gdb does *lots* of string compares. Use macros to speed them up by | |
121 | avoiding function calls if the first characters are not the same. */ | |
122 | ||
123 | #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b)) | |
124 | #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0) | |
125 | #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0) | |
126 | ||
127 | /* The character GNU C++ uses to build identifiers that must be unique from | |
128 | the program's identifiers (such as $this and $$vptr). */ | |
129 | #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */ | |
130 | ||
131 | /* Check if a character is one of the commonly used C++ marker characters. */ | |
917317f4 | 132 | extern int is_cplus_marker (int); |
c906108c SS |
133 | |
134 | /* use tui interface if non-zero */ | |
135 | extern int tui_version; | |
136 | ||
137 | #if defined(TUI) | |
138 | /* all invocations of TUIDO should have two sets of parens */ | |
139 | #define TUIDO(x) tuiDo x | |
140 | #else | |
141 | #define TUIDO(x) | |
142 | #endif | |
143 | ||
144 | /* enable xdb commands if set */ | |
145 | extern int xdb_commands; | |
146 | ||
147 | /* enable dbx commands if set */ | |
148 | extern int dbx_commands; | |
149 | ||
150 | extern int quit_flag; | |
151 | extern int immediate_quit; | |
152 | extern int sevenbit_strings; | |
153 | ||
917317f4 | 154 | extern void quit (void); |
c906108c SS |
155 | |
156 | #ifdef QUIT | |
157 | /* do twice to force compiler warning */ | |
158 | #define QUIT_FIXME "FIXME" | |
159 | #define QUIT_FIXME "ignoring redefinition of QUIT" | |
160 | #else | |
161 | #define QUIT { \ | |
162 | if (quit_flag) quit (); \ | |
163 | if (interactive_hook) interactive_hook (); \ | |
164 | PROGRESS (1); \ | |
165 | } | |
166 | #endif | |
167 | ||
c906108c SS |
168 | /* Languages represented in the symbol table and elsewhere. |
169 | This should probably be in language.h, but since enum's can't | |
170 | be forward declared to satisfy opaque references before their | |
171 | actual definition, needs to be here. */ | |
172 | ||
917317f4 JM |
173 | enum language |
174 | { | |
175 | language_unknown, /* Language not known */ | |
176 | language_auto, /* Placeholder for automatic setting */ | |
177 | language_c, /* C */ | |
178 | language_cplus, /* C++ */ | |
179 | language_java, /* Java */ | |
180 | language_chill, /* Chill */ | |
181 | language_fortran, /* Fortran */ | |
182 | language_m2, /* Modula-2 */ | |
183 | language_asm, /* Assembly language */ | |
184 | language_scm /* Scheme / Guile */ | |
185 | }; | |
c906108c SS |
186 | |
187 | enum precision_type | |
917317f4 JM |
188 | { |
189 | single_precision, | |
190 | double_precision, | |
191 | unspecified_precision | |
192 | }; | |
193 | ||
c906108c SS |
194 | /* the cleanup list records things that have to be undone |
195 | if an error happens (descriptors to be closed, memory to be freed, etc.) | |
196 | Each link in the chain records a function to call and an | |
197 | argument to give it. | |
198 | ||
199 | Use make_cleanup to add an element to the cleanup chain. | |
200 | Use do_cleanups to do all cleanup actions back to a given | |
201 | point in the chain. Use discard_cleanups to remove cleanups | |
202 | from the chain back to a given point, not doing them. */ | |
203 | ||
204 | struct cleanup | |
917317f4 JM |
205 | { |
206 | struct cleanup *next; | |
207 | void (*function) (PTR); | |
208 | PTR arg; | |
209 | }; | |
c906108c SS |
210 | |
211 | ||
212 | /* The ability to declare that a function never returns is useful, but | |
213 | not really required to compile GDB successfully, so the NORETURN and | |
214 | ATTR_NORETURN macros normally expand into nothing. */ | |
215 | ||
216 | /* If compiling with older versions of GCC, a function may be declared | |
217 | "volatile" to indicate that it does not return. */ | |
218 | ||
219 | #ifndef NORETURN | |
917317f4 | 220 | #if defined(__GNUC__) \ |
c906108c | 221 | && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)) |
917317f4 JM |
222 | #define NORETURN volatile |
223 | #else | |
224 | #define NORETURN /* nothing */ | |
225 | #endif | |
c906108c SS |
226 | #endif |
227 | ||
228 | /* GCC 2.5 and later versions define a function attribute "noreturn", | |
229 | which is the preferred way to declare that a function never returns. | |
230 | However GCC 2.7 appears to be the first version in which this fully | |
231 | works everywhere we use it. */ | |
232 | ||
233 | #ifndef ATTR_NORETURN | |
917317f4 JM |
234 | #if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7 |
235 | #define ATTR_NORETURN __attribute__ ((noreturn)) | |
236 | #else | |
237 | #define ATTR_NORETURN /* nothing */ | |
238 | #endif | |
c906108c SS |
239 | #endif |
240 | ||
241 | #ifndef ATTR_FORMAT | |
917317f4 JM |
242 | #if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 |
243 | #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y))) | |
244 | #else | |
245 | #define ATTR_FORMAT(type, x, y) /* nothing */ | |
246 | #endif | |
c906108c SS |
247 | #endif |
248 | ||
249 | /* Needed for various prototypes */ | |
250 | ||
c906108c SS |
251 | struct symtab; |
252 | struct breakpoint; | |
c906108c SS |
253 | |
254 | /* From blockframe.c */ | |
255 | ||
917317f4 | 256 | extern int inside_entry_func (CORE_ADDR); |
c906108c | 257 | |
917317f4 | 258 | extern int inside_entry_file (CORE_ADDR addr); |
c906108c | 259 | |
917317f4 | 260 | extern int inside_main_func (CORE_ADDR pc); |
c906108c SS |
261 | |
262 | /* From ch-lang.c, for the moment. (FIXME) */ | |
263 | ||
917317f4 | 264 | extern char *chill_demangle (const char *); |
c906108c SS |
265 | |
266 | /* From utils.c */ | |
267 | ||
917317f4 | 268 | extern void initialize_utils (void); |
392a587b | 269 | |
917317f4 | 270 | extern void notice_quit (void); |
c906108c | 271 | |
917317f4 | 272 | extern int strcmp_iw (const char *, const char *); |
c906108c | 273 | |
917317f4 | 274 | extern int subset_compare (char *, char *); |
7a292a7a | 275 | |
917317f4 | 276 | extern char *safe_strerror (int); |
c906108c | 277 | |
917317f4 | 278 | extern char *safe_strsignal (int); |
c906108c | 279 | |
917317f4 | 280 | extern void init_malloc (void *); |
c906108c | 281 | |
917317f4 | 282 | extern void request_quit (int); |
c906108c | 283 | |
917317f4 JM |
284 | extern void do_cleanups (struct cleanup *); |
285 | extern void do_final_cleanups (struct cleanup *); | |
286 | extern void do_my_cleanups (struct cleanup **, struct cleanup *); | |
287 | extern void do_run_cleanups (struct cleanup *); | |
288 | extern void do_exec_cleanups (struct cleanup *); | |
289 | extern void do_exec_error_cleanups (struct cleanup *); | |
c906108c | 290 | |
917317f4 JM |
291 | extern void discard_cleanups (struct cleanup *); |
292 | extern void discard_final_cleanups (struct cleanup *); | |
293 | extern void discard_exec_error_cleanups (struct cleanup *); | |
294 | extern void discard_my_cleanups (struct cleanup **, struct cleanup *); | |
c906108c | 295 | |
917317f4 | 296 | typedef void (*make_cleanup_func) (void *); |
c906108c | 297 | |
917317f4 | 298 | extern struct cleanup *make_cleanup (make_cleanup_func, void *); |
c906108c | 299 | |
917317f4 | 300 | extern struct cleanup *make_cleanup_freeargv (char **); |
7a292a7a | 301 | |
11cf8741 JM |
302 | struct gdb_file; |
303 | extern struct cleanup *make_cleanup_gdb_file_delete (struct gdb_file *); | |
304 | ||
917317f4 | 305 | extern struct cleanup *make_final_cleanup (make_cleanup_func, void *); |
c906108c | 306 | |
917317f4 JM |
307 | extern struct cleanup *make_my_cleanup (struct cleanup **, |
308 | make_cleanup_func, void *); | |
c906108c | 309 | |
917317f4 | 310 | extern struct cleanup *make_run_cleanup (make_cleanup_func, void *); |
c906108c | 311 | |
917317f4 JM |
312 | extern struct cleanup *make_exec_cleanup (make_cleanup_func, void *); |
313 | extern struct cleanup *make_exec_error_cleanup (make_cleanup_func, void *); | |
43ff13b4 | 314 | |
917317f4 JM |
315 | extern struct cleanup *save_cleanups (void); |
316 | extern struct cleanup *save_final_cleanups (void); | |
317 | extern struct cleanup *save_my_cleanups (struct cleanup **); | |
c906108c | 318 | |
917317f4 JM |
319 | extern void restore_cleanups (struct cleanup *); |
320 | extern void restore_final_cleanups (struct cleanup *); | |
321 | extern void restore_my_cleanups (struct cleanup **, struct cleanup *); | |
c906108c | 322 | |
917317f4 | 323 | extern void free_current_contents (char **); |
c906108c | 324 | |
917317f4 | 325 | extern void null_cleanup (PTR); |
c906108c | 326 | |
917317f4 | 327 | extern int myread (int, char *, int); |
c906108c | 328 | |
917317f4 | 329 | extern int query (char *, ...) ATTR_FORMAT (printf, 1, 2); |
c906108c SS |
330 | |
331 | #if !defined (USE_MMALLOC) | |
ed9a39eb | 332 | extern PTR mcalloc (void *, size_t, size_t); |
917317f4 JM |
333 | extern PTR mmalloc (PTR, size_t); |
334 | extern PTR mrealloc (PTR, PTR, size_t); | |
335 | extern void mfree (PTR, PTR); | |
c906108c SS |
336 | #endif |
337 | ||
917317f4 | 338 | extern void init_page_info (void); |
392a587b | 339 | |
c906108c SS |
340 | /* From demangle.c */ |
341 | ||
917317f4 | 342 | extern void set_demangling_style (char *); |
c906108c SS |
343 | |
344 | /* From tm.h */ | |
345 | ||
346 | struct type; | |
917317f4 | 347 | typedef int (use_struct_convention_fn) (int gcc_p, struct type * value_type); |
c906108c SS |
348 | extern use_struct_convention_fn generic_use_struct_convention; |
349 | ||
917317f4 | 350 | typedef unsigned char *(breakpoint_from_pc_fn) (CORE_ADDR * pcptr, int *lenptr); |
c906108c SS |
351 | \f |
352 | /* Annotation stuff. */ | |
353 | ||
917317f4 | 354 | extern int annotation_level; /* in stack.c */ |
c906108c | 355 | \f |
917317f4 | 356 | extern void begin_line (void); |
c906108c | 357 | |
917317f4 | 358 | extern void wrap_here (char *); |
c906108c | 359 | |
917317f4 | 360 | extern void reinitialize_more_filter (void); |
c906108c | 361 | |
ac9a91a7 | 362 | struct gdb_file; |
917317f4 | 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 | ||
da59e081 | 389 | #include "gdb-file.h" |
c906108c | 390 | |
917317f4 | 391 | /* More generic printf like operations */ |
c906108c | 392 | |
917317f4 | 393 | extern void fputs_filtered (const char *, GDB_FILE *); |
c906108c | 394 | |
917317f4 | 395 | extern void fputs_unfiltered (const char *, GDB_FILE *); |
c906108c | 396 | |
917317f4 | 397 | extern int fputc_filtered (int c, GDB_FILE *); |
c906108c | 398 | |
917317f4 | 399 | extern int fputc_unfiltered (int c, GDB_FILE *); |
c906108c | 400 | |
917317f4 | 401 | extern int putchar_unfiltered (int c); |
c906108c | 402 | |
917317f4 | 403 | extern void puts_filtered (const char *); |
c906108c | 404 | |
917317f4 | 405 | extern void puts_unfiltered (const char *); |
c906108c | 406 | |
917317f4 | 407 | extern void puts_debug (char *prefix, char *string, char *suffix); |
c906108c | 408 | |
917317f4 | 409 | extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0); |
c906108c | 410 | |
917317f4 | 411 | extern void vfprintf_filtered (GDB_FILE *, const char *, va_list) ATTR_FORMAT (printf, 2, 0); |
c906108c | 412 | |
917317f4 | 413 | extern void fprintf_filtered (GDB_FILE *, const char *, ...) ATTR_FORMAT (printf, 2, 3); |
c906108c | 414 | |
917317f4 | 415 | extern void fprintfi_filtered (int, GDB_FILE *, const char *, ...) ATTR_FORMAT (printf, 3, 4); |
c906108c | 416 | |
917317f4 | 417 | extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2); |
c906108c | 418 | |
917317f4 | 419 | extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3); |
c906108c | 420 | |
917317f4 | 421 | extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0); |
c906108c | 422 | |
917317f4 | 423 | extern void vfprintf_unfiltered (GDB_FILE *, const char *, va_list) ATTR_FORMAT (printf, 2, 0); |
c906108c | 424 | |
917317f4 JM |
425 | extern void fprintf_unfiltered (GDB_FILE *, const char *, ...) ATTR_FORMAT (printf, 2, 3); |
426 | ||
427 | extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2); | |
c906108c | 428 | |
917317f4 | 429 | extern void print_spaces (int, GDB_FILE *); |
c906108c | 430 | |
917317f4 | 431 | extern void print_spaces_filtered (int, GDB_FILE *); |
c906108c | 432 | |
917317f4 | 433 | extern char *n_spaces (int); |
c906108c | 434 | |
917317f4 | 435 | extern void fputstr_filtered (const char *str, int quotr, GDB_FILE * stream); |
43e526b9 | 436 | |
917317f4 | 437 | extern void fputstr_unfiltered (const char *str, int quotr, GDB_FILE * stream); |
43e526b9 | 438 | |
917317f4 | 439 | extern void fputstrn_unfiltered (const char *str, int n, int quotr, GDB_FILE * stream); |
c906108c | 440 | |
d4f3574e SS |
441 | /* Display the host ADDR on STREAM formatted as ``0x%x''. */ |
442 | extern void gdb_print_host_address (void *addr, struct gdb_file *stream); | |
c906108c | 443 | |
104c1213 JM |
444 | /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx. |
445 | paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is | |
446 | for ``%*''. */ | |
d4f3574e | 447 | extern int strlen_paddr (void); |
917317f4 JM |
448 | extern char *paddr (CORE_ADDR addr); |
449 | extern char *paddr_nz (CORE_ADDR addr); | |
450 | extern char *paddr_u (CORE_ADDR addr); | |
451 | extern char *paddr_d (LONGEST addr); | |
c906108c | 452 | |
104c1213 | 453 | typedef bfd_vma t_reg; |
917317f4 JM |
454 | extern char *preg (t_reg reg); |
455 | extern char *preg_nz (t_reg reg); | |
c906108c | 456 | |
917317f4 JM |
457 | extern void fprintf_symbol_filtered (GDB_FILE *, char *, |
458 | enum language, int); | |
c906108c | 459 | |
917317f4 | 460 | extern NORETURN void perror_with_name (char *) ATTR_NORETURN; |
c906108c | 461 | |
917317f4 | 462 | extern void print_sys_errmsg (char *, int); |
c906108c SS |
463 | |
464 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as | |
465 | "const char *" in unistd.h, so we can't declare the argument | |
466 | as "char *". */ | |
467 | ||
917317f4 | 468 | extern char *re_comp (const char *); |
c906108c SS |
469 | |
470 | /* From symfile.c */ | |
471 | ||
917317f4 JM |
472 | extern void symbol_file_command (char *, int); |
473 | ||
474 | /* Remote targets may wish to use this as their load function. */ | |
475 | extern void generic_load (char *name, int from_tty); | |
476 | ||
477 | /* Summarise a download */ | |
478 | extern void print_transfer_performance (struct gdb_file *stream, | |
479 | unsigned long data_count, | |
480 | unsigned long write_count, | |
481 | unsigned long time_count); | |
c906108c SS |
482 | |
483 | /* From top.c */ | |
484 | ||
6426a772 JM |
485 | typedef void initialize_file_ftype (void); |
486 | ||
917317f4 | 487 | extern char *skip_quoted (char *); |
c906108c | 488 | |
917317f4 | 489 | extern char *gdb_readline (char *); |
c906108c | 490 | |
917317f4 | 491 | extern char *command_line_input (char *, int, char *); |
c906108c | 492 | |
917317f4 | 493 | extern void print_prompt (void); |
c906108c | 494 | |
917317f4 | 495 | extern int input_from_terminal_p (void); |
c906108c SS |
496 | |
497 | extern int info_verbose; | |
498 | ||
499 | /* From printcmd.c */ | |
500 | ||
917317f4 | 501 | extern void set_next_address (CORE_ADDR); |
c906108c | 502 | |
917317f4 JM |
503 | extern void print_address_symbolic (CORE_ADDR, GDB_FILE *, int, |
504 | char *); | |
c906108c | 505 | |
917317f4 | 506 | extern void print_address_numeric (CORE_ADDR, int, GDB_FILE *); |
c906108c | 507 | |
917317f4 | 508 | extern void print_address (CORE_ADDR, GDB_FILE *); |
c906108c SS |
509 | |
510 | /* From source.c */ | |
511 | ||
917317f4 | 512 | extern int openp (char *, int, char *, int, int, char **); |
c906108c | 513 | |
917317f4 | 514 | extern int source_full_path_of (char *, char **); |
c906108c | 515 | |
917317f4 | 516 | extern void mod_path (char *, char **); |
c906108c | 517 | |
917317f4 | 518 | extern void directory_command (char *, int); |
c906108c | 519 | |
917317f4 | 520 | extern void init_source_path (void); |
c906108c | 521 | |
917317f4 | 522 | extern char *symtab_to_filename (struct symtab *); |
c906108c | 523 | |
104c1213 JM |
524 | /* From exec.c */ |
525 | ||
526 | extern void exec_set_section_offsets (bfd_signed_vma text_off, | |
527 | bfd_signed_vma data_off, | |
528 | bfd_signed_vma bss_off); | |
529 | ||
c906108c SS |
530 | /* From findvar.c */ |
531 | ||
917317f4 | 532 | extern int read_relative_register_raw_bytes (int, char *); |
c906108c | 533 | |
53a5351d JM |
534 | /* Possible lvalue types. Like enum language, this should be in |
535 | value.h, but needs to be here for the same reason. */ | |
536 | ||
537 | enum lval_type | |
538 | { | |
539 | /* Not an lval. */ | |
540 | not_lval, | |
541 | /* In memory. Could be a saved register. */ | |
542 | lval_memory, | |
543 | /* In a register. */ | |
544 | lval_register, | |
545 | /* In a gdb internal variable. */ | |
546 | lval_internalvar, | |
547 | /* Part of a gdb internal variable (structure field). */ | |
548 | lval_internalvar_component, | |
549 | /* In a register series in a frame not the current one, which may have been | |
550 | partially saved or saved in different places (otherwise would be | |
551 | lval_register or lval_memory). */ | |
552 | lval_reg_frame_relative | |
553 | }; | |
554 | ||
392a587b | 555 | struct frame_info; |
53a5351d | 556 | |
917317f4 JM |
557 | void default_get_saved_register (char *raw_buffer, int *optimized, |
558 | CORE_ADDR * addrp, | |
559 | struct frame_info *frame, int regnum, | |
560 | enum lval_type *lval); | |
392a587b | 561 | |
c906108c SS |
562 | /* From readline (but not in any readline .h files). */ |
563 | ||
917317f4 | 564 | extern char *tilde_expand (char *); |
c906108c SS |
565 | |
566 | /* Control types for commands */ | |
567 | ||
568 | enum misc_command_type | |
917317f4 JM |
569 | { |
570 | ok_command, | |
571 | end_command, | |
572 | else_command, | |
573 | nop_command | |
574 | }; | |
c906108c SS |
575 | |
576 | enum command_control_type | |
917317f4 JM |
577 | { |
578 | simple_control, | |
579 | break_control, | |
580 | continue_control, | |
581 | while_control, | |
582 | if_control, | |
583 | invalid_control | |
584 | }; | |
c906108c SS |
585 | |
586 | /* Structure for saved commands lines | |
587 | (for breakpoints, defined commands, etc). */ | |
588 | ||
589 | struct command_line | |
917317f4 JM |
590 | { |
591 | struct command_line *next; | |
592 | char *line; | |
593 | enum command_control_type control_type; | |
594 | int body_count; | |
595 | struct command_line **body_list; | |
596 | }; | |
c906108c | 597 | |
917317f4 | 598 | extern struct command_line *read_command_lines (char *, int); |
c906108c | 599 | |
917317f4 | 600 | extern void free_command_lines (struct command_line **); |
c906108c | 601 | |
43ff13b4 JM |
602 | /* To continue the execution commands when running gdb asynchronously. |
603 | A continuation structure contains a pointer to a function to be called | |
604 | to finish the command, once the target has stopped. Such mechanism is | |
605 | used bt the finish and until commands, and in the remote protocol | |
606 | when opening an extended-remote connection. */ | |
607 | ||
608 | struct continuation_arg | |
917317f4 JM |
609 | { |
610 | struct continuation_arg *next; | |
611 | PTR data; | |
612 | }; | |
43ff13b4 JM |
613 | |
614 | struct continuation | |
917317f4 JM |
615 | { |
616 | void (*continuation_hook) (struct continuation_arg *); | |
617 | struct continuation_arg *arg_list; | |
618 | struct continuation *next; | |
619 | }; | |
620 | struct continuation continuation; | |
43ff13b4 JM |
621 | |
622 | /* In infrun.c. */ | |
623 | extern struct continuation *cmd_continuation; | |
c2d11a7d JM |
624 | /* Used only by the step_1 function. */ |
625 | extern struct continuation *intermediate_continuation; | |
43ff13b4 JM |
626 | |
627 | /* From utils.c */ | |
917317f4 JM |
628 | extern void add_continuation (void (*)(struct continuation_arg *), |
629 | struct continuation_arg *); | |
630 | extern void do_all_continuations (void); | |
631 | extern void discard_all_continuations (void); | |
43ff13b4 | 632 | |
c2d11a7d JM |
633 | extern void add_intermediate_continuation (void (*)(struct continuation_arg *), |
634 | struct continuation_arg *); | |
635 | extern void do_all_intermediate_continuations (void); | |
636 | extern void discard_all_intermediate_continuations (void); | |
637 | ||
c906108c SS |
638 | /* String containing the current directory (what getwd would return). */ |
639 | ||
640 | extern char *current_directory; | |
641 | ||
642 | /* Default radixes for input and output. Only some values supported. */ | |
643 | extern unsigned input_radix; | |
644 | extern unsigned output_radix; | |
645 | ||
646 | /* Possibilities for prettyprint parameters to routines which print | |
647 | things. Like enum language, this should be in value.h, but needs | |
648 | to be here for the same reason. FIXME: If we can eliminate this | |
649 | as an arg to LA_VAL_PRINT, then we can probably move it back to | |
650 | value.h. */ | |
651 | ||
652 | enum val_prettyprint | |
917317f4 JM |
653 | { |
654 | Val_no_prettyprint = 0, | |
655 | Val_prettyprint, | |
656 | /* Use the default setting which the user has specified. */ | |
657 | Val_pretty_default | |
658 | }; | |
c906108c | 659 | \f |
917317f4 | 660 | |
c906108c SS |
661 | /* Host machine definition. This will be a symlink to one of the |
662 | xm-*.h files, built by the `configure' script. */ | |
663 | ||
664 | #include "xm.h" | |
665 | ||
666 | /* Native machine support. This will be a symlink to one of the | |
667 | nm-*.h files, built by the `configure' script. */ | |
668 | ||
669 | #include "nm.h" | |
670 | ||
671 | /* Target machine definition. This will be a symlink to one of the | |
672 | tm-*.h files, built by the `configure' script. */ | |
673 | ||
674 | #include "tm.h" | |
675 | ||
676 | /* If the xm.h file did not define the mode string used to open the | |
677 | files, assume that binary files are opened the same way as text | |
678 | files */ | |
679 | #ifndef FOPEN_RB | |
680 | #include "fopen-same.h" | |
681 | #endif | |
682 | ||
683 | /* Microsoft C can't deal with const pointers */ | |
684 | ||
685 | #ifdef _MSC_VER | |
686 | #define CONST_PTR | |
687 | #else | |
688 | #define CONST_PTR const | |
689 | #endif | |
690 | ||
691 | /* | |
692 | * Allow things in gdb to be declared "volatile". If compiling ANSI, it | |
693 | * just works. If compiling with gcc but non-ansi, redefine to __volatile__. | |
694 | * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those | |
695 | * objects be read-write rather than read-only. | |
696 | */ | |
697 | ||
698 | #ifndef volatile | |
699 | #ifndef __STDC__ | |
917317f4 JM |
700 | #ifdef __GNUC__ |
701 | #define volatile __volatile__ | |
702 | #else | |
703 | #define volatile /* nothing */ | |
704 | #endif /* GNUC */ | |
c906108c SS |
705 | #endif /* STDC */ |
706 | #endif /* volatile */ | |
707 | ||
708 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). | |
709 | FIXME: Assumes 2's complement arithmetic */ | |
710 | ||
711 | #if !defined (UINT_MAX) | |
917317f4 | 712 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ |
c906108c SS |
713 | #endif |
714 | ||
715 | #if !defined (INT_MAX) | |
917317f4 | 716 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
c906108c SS |
717 | #endif |
718 | ||
719 | #if !defined (INT_MIN) | |
720 | #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */ | |
721 | #endif | |
722 | ||
723 | #if !defined (ULONG_MAX) | |
724 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ | |
725 | #endif | |
726 | ||
727 | #if !defined (LONG_MAX) | |
728 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ | |
729 | #endif | |
730 | ||
4ce44c66 JM |
731 | #if !defined (ULONGEST_MAX) |
732 | #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 32-bits */ | |
733 | #endif | |
734 | ||
735 | #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 32-bits */ | |
736 | #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1)) | |
737 | #endif | |
738 | ||
c906108c SS |
739 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of |
740 | arguments to a function, number in a value history, register number, etc.) | |
741 | where the value must not be larger than can fit in an int. */ | |
742 | ||
917317f4 | 743 | extern int longest_to_int (LONGEST); |
c906108c SS |
744 | |
745 | /* Assorted functions we can declare, now that const and volatile are | |
746 | defined. */ | |
747 | ||
917317f4 | 748 | extern char *savestring (const char *, int); |
c906108c | 749 | |
917317f4 | 750 | extern char *msavestring (void *, const char *, int); |
c906108c | 751 | |
917317f4 | 752 | extern char *strsave (const char *); |
c906108c | 753 | |
917317f4 | 754 | extern char *mstrsave (void *, const char *); |
c906108c | 755 | |
917317f4 JM |
756 | /* FIXME; was long, but this causes compile errors in msvc if already |
757 | defined */ | |
758 | #ifdef _MSC_VER | |
759 | extern PTR xmmalloc (PTR, size_t); | |
760 | extern PTR xmrealloc (PTR, PTR, size_t); | |
c906108c | 761 | #else |
917317f4 JM |
762 | extern PTR xmmalloc (PTR, long); |
763 | extern PTR xmrealloc (PTR, PTR, long); | |
c906108c SS |
764 | #endif |
765 | ||
917317f4 | 766 | extern int parse_escape (char **); |
c906108c | 767 | |
c906108c SS |
768 | /* Message to be printed before the error message, when an error occurs. */ |
769 | ||
770 | extern char *error_pre_print; | |
771 | ||
772 | /* Message to be printed before the error message, when an error occurs. */ | |
773 | ||
774 | extern char *quit_pre_print; | |
775 | ||
776 | /* Message to be printed before the warning message, when a warning occurs. */ | |
777 | ||
778 | extern char *warning_pre_print; | |
779 | ||
4ce44c66 | 780 | extern NORETURN void verror (const char *fmt, va_list ap) ATTR_NORETURN; |
c906108c | 781 | |
4ce44c66 | 782 | extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN; |
c906108c | 783 | |
4ce44c66 JM |
784 | /* DEPRECATED: Use error(), verror() or error_stream(). */ |
785 | extern NORETURN void error_begin (void); | |
c906108c | 786 | |
917317f4 | 787 | extern NORETURN void error_stream (GDB_FILE *) ATTR_NORETURN; |
2acceee2 | 788 | |
4ce44c66 JM |
789 | /* Returns a freshly allocate buffer containing the last error |
790 | message. */ | |
917317f4 | 791 | extern char *error_last_message (void); |
2acceee2 | 792 | |
4ce44c66 JM |
793 | extern NORETURN void internal_verror (const char *, va_list ap) ATTR_NORETURN; |
794 | ||
795 | extern NORETURN void internal_error (char *, ...) ATTR_NORETURN; | |
796 | ||
917317f4 | 797 | extern NORETURN void nomem (long) ATTR_NORETURN; |
c906108c SS |
798 | |
799 | /* Reasons for calling return_to_top_level. */ | |
c906108c | 800 | |
917317f4 JM |
801 | enum return_reason |
802 | { | |
803 | /* User interrupt. */ | |
804 | RETURN_QUIT, | |
805 | /* Any other error. */ | |
806 | RETURN_ERROR | |
807 | }; | |
c906108c | 808 | |
43ff13b4 JM |
809 | #define ALL_CLEANUPS ((struct cleanup *)0) |
810 | ||
c906108c SS |
811 | #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT) |
812 | #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR) | |
813 | #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR) | |
814 | typedef int return_mask; | |
815 | ||
917317f4 | 816 | extern NORETURN void return_to_top_level (enum return_reason) ATTR_NORETURN; |
c906108c | 817 | |
11cf8741 JM |
818 | /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero |
819 | otherwize the result from CATCH_ERRORS_FTYPE is returned. It is | |
820 | probably useful for CATCH_ERRORS_FTYPE to always return a non-zero | |
821 | value. It's unfortunate that, catch_errors() does not return an | |
822 | indication of the exact exception that it caught - quit_flag might | |
823 | help. */ | |
824 | ||
917317f4 JM |
825 | typedef int (catch_errors_ftype) (PTR); |
826 | extern int catch_errors (catch_errors_ftype *, PTR, char *, return_mask); | |
c906108c | 827 | |
11cf8741 JM |
828 | /* Template to catch_errors() that wraps calls to command |
829 | functions. */ | |
830 | ||
831 | typedef void (catch_command_errors_ftype) (char *, int); | |
832 | extern int catch_command_errors (catch_command_errors_ftype *func, char *command, int from_tty, return_mask); | |
833 | ||
917317f4 | 834 | extern void warning_begin (void); |
c906108c | 835 | |
917317f4 | 836 | extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2); |
c906108c SS |
837 | |
838 | /* Global functions from other, non-gdb GNU thingies. | |
839 | Libiberty thingies are no longer declared here. We include libiberty.h | |
840 | above, instead. */ | |
841 | ||
842 | #ifndef GETENV_PROVIDED | |
917317f4 | 843 | extern char *getenv (const char *); |
c906108c SS |
844 | #endif |
845 | ||
846 | /* From other system libraries */ | |
847 | ||
848 | #ifdef HAVE_STDDEF_H | |
849 | #include <stddef.h> | |
850 | #endif | |
851 | ||
852 | #ifdef HAVE_STDLIB_H | |
853 | #if defined(_MSC_VER) && !defined(__cplusplus) | |
854 | /* msvc defines these in stdlib.h for c code */ | |
855 | #undef min | |
856 | #undef max | |
857 | #endif | |
858 | #include <stdlib.h> | |
859 | #endif | |
860 | #ifndef min | |
861 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
862 | #endif | |
863 | #ifndef max | |
864 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
865 | #endif | |
866 | ||
867 | ||
868 | /* We take the address of fclose later, but some stdio's forget | |
869 | to declare this. We can't always declare it since there's | |
870 | no way to declare the parameters without upsetting some compiler | |
871 | somewhere. */ | |
872 | ||
873 | #ifndef FCLOSE_PROVIDED | |
917317f4 | 874 | extern int fclose (FILE *); |
c906108c SS |
875 | #endif |
876 | ||
877 | #ifndef atof | |
917317f4 | 878 | extern double atof (const char *); /* X3.159-1989 4.10.1.1 */ |
c906108c SS |
879 | #endif |
880 | ||
881 | #ifndef MALLOC_INCOMPATIBLE | |
882 | ||
883 | #ifdef NEED_DECLARATION_MALLOC | |
884 | extern PTR malloc (); | |
885 | #endif | |
886 | ||
887 | #ifdef NEED_DECLARATION_REALLOC | |
888 | extern PTR realloc (); | |
889 | #endif | |
890 | ||
891 | #ifdef NEED_DECLARATION_FREE | |
892 | extern void free (); | |
893 | #endif | |
894 | ||
895 | #endif /* MALLOC_INCOMPATIBLE */ | |
896 | ||
897 | /* Various possibilities for alloca. */ | |
898 | #ifndef alloca | |
917317f4 JM |
899 | #ifdef __GNUC__ |
900 | #define alloca __builtin_alloca | |
901 | #else /* Not GNU C */ | |
902 | #ifdef HAVE_ALLOCA_H | |
903 | #include <alloca.h> | |
904 | #else | |
905 | #ifdef _AIX | |
906 | #pragma alloca | |
907 | #else | |
c906108c SS |
908 | |
909 | /* We need to be careful not to declare this in a way which conflicts with | |
910 | bison. Bison never declares it as char *, but under various circumstances | |
911 | (like __hpux) we need to use void *. */ | |
917317f4 JM |
912 | #if defined (__STDC__) || defined (__hpux) |
913 | extern void *alloca (); | |
914 | #else /* Don't use void *. */ | |
915 | extern char *alloca (); | |
916 | #endif /* Don't use void *. */ | |
917 | #endif /* Not _AIX */ | |
918 | #endif /* Not HAVE_ALLOCA_H */ | |
919 | #endif /* Not GNU C */ | |
c906108c SS |
920 | #endif /* alloca not defined */ |
921 | ||
922 | /* HOST_BYTE_ORDER must be defined to one of these. */ | |
923 | ||
924 | #ifdef HAVE_ENDIAN_H | |
925 | #include <endian.h> | |
926 | #endif | |
927 | ||
928 | #if !defined (BIG_ENDIAN) | |
929 | #define BIG_ENDIAN 4321 | |
930 | #endif | |
931 | ||
932 | #if !defined (LITTLE_ENDIAN) | |
933 | #define LITTLE_ENDIAN 1234 | |
934 | #endif | |
935 | ||
936 | /* Dynamic target-system-dependent parameters for GDB. */ | |
937 | #include "gdbarch.h" | |
938 | ||
939 | /* Static target-system-dependent parameters for GDB. */ | |
940 | ||
941 | /* Number of bits in a char or unsigned char for the target machine. | |
942 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ | |
943 | #if !defined (TARGET_CHAR_BIT) | |
944 | #define TARGET_CHAR_BIT 8 | |
945 | #endif | |
946 | ||
947 | /* Number of bits in a short or unsigned short for the target machine. */ | |
948 | #if !defined (TARGET_SHORT_BIT) | |
949 | #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT) | |
950 | #endif | |
951 | ||
952 | /* Number of bits in an int or unsigned int for the target machine. */ | |
953 | #if !defined (TARGET_INT_BIT) | |
954 | #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT) | |
955 | #endif | |
956 | ||
957 | /* Number of bits in a long or unsigned long for the target machine. */ | |
958 | #if !defined (TARGET_LONG_BIT) | |
959 | #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT) | |
960 | #endif | |
961 | ||
962 | /* Number of bits in a long long or unsigned long long for the target machine. */ | |
963 | #if !defined (TARGET_LONG_LONG_BIT) | |
964 | #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT) | |
965 | #endif | |
966 | ||
967 | /* Number of bits in a float for the target machine. */ | |
968 | #if !defined (TARGET_FLOAT_BIT) | |
969 | #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT) | |
970 | #endif | |
971 | ||
972 | /* Number of bits in a double for the target machine. */ | |
973 | #if !defined (TARGET_DOUBLE_BIT) | |
974 | #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT) | |
975 | #endif | |
976 | ||
977 | /* Number of bits in a long double for the target machine. */ | |
978 | #if !defined (TARGET_LONG_DOUBLE_BIT) | |
979 | #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT) | |
980 | #endif | |
981 | ||
982 | /* Number of bits in a pointer for the target machine */ | |
983 | #if !defined (TARGET_PTR_BIT) | |
984 | #define TARGET_PTR_BIT TARGET_INT_BIT | |
985 | #endif | |
986 | ||
c4093a6a JM |
987 | /* Number of bits in a BFD_VMA for the target object file format. */ |
988 | #if !defined (TARGET_BFD_VMA_BIT) | |
989 | #define TARGET_BFD_VMA_BIT TARGET_PTR_BIT | |
990 | #endif | |
991 | ||
c906108c SS |
992 | /* If we picked up a copy of CHAR_BIT from a configuration file |
993 | (which may get it by including <limits.h>) then use it to set | |
994 | the number of bits in a host char. If not, use the same size | |
995 | as the target. */ | |
996 | ||
997 | #if defined (CHAR_BIT) | |
998 | #define HOST_CHAR_BIT CHAR_BIT | |
999 | #else | |
1000 | #define HOST_CHAR_BIT TARGET_CHAR_BIT | |
1001 | #endif | |
1002 | ||
1003 | /* The bit byte-order has to do just with numbering of bits in | |
1004 | debugging symbols and such. Conceptually, it's quite separate | |
1005 | from byte/word byte order. */ | |
1006 | ||
1007 | #if !defined (BITS_BIG_ENDIAN) | |
1008 | #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN) | |
1009 | #endif | |
1010 | ||
1011 | /* In findvar.c. */ | |
1012 | ||
917317f4 | 1013 | extern LONGEST extract_signed_integer (void *, int); |
c906108c | 1014 | |
917317f4 | 1015 | extern ULONGEST extract_unsigned_integer (void *, int); |
c906108c | 1016 | |
917317f4 | 1017 | extern int extract_long_unsigned_integer (void *, int, LONGEST *); |
c906108c | 1018 | |
917317f4 | 1019 | extern CORE_ADDR extract_address (void *, int); |
c906108c | 1020 | |
917317f4 | 1021 | extern void store_signed_integer (PTR, int, LONGEST); |
c906108c | 1022 | |
917317f4 | 1023 | extern void store_unsigned_integer (PTR, int, ULONGEST); |
c906108c | 1024 | |
917317f4 | 1025 | extern void store_address (PTR, int, LONGEST); |
c906108c SS |
1026 | |
1027 | /* Setup definitions for host and target floating point formats. We need to | |
1028 | consider the format for `float', `double', and `long double' for both target | |
1029 | and host. We need to do this so that we know what kind of conversions need | |
1030 | to be done when converting target numbers to and from the hosts DOUBLEST | |
1031 | data type. */ | |
1032 | ||
1033 | /* This is used to indicate that we don't know the format of the floating point | |
1034 | number. Typically, this is useful for native ports, where the actual format | |
1035 | is irrelevant, since no conversions will be taking place. */ | |
1036 | ||
1037 | extern const struct floatformat floatformat_unknown; | |
1038 | ||
1039 | #if HOST_BYTE_ORDER == BIG_ENDIAN | |
917317f4 JM |
1040 | #ifndef HOST_FLOAT_FORMAT |
1041 | #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big | |
1042 | #endif | |
1043 | #ifndef HOST_DOUBLE_FORMAT | |
1044 | #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big | |
1045 | #endif | |
1046 | #else /* LITTLE_ENDIAN */ | |
1047 | #ifndef HOST_FLOAT_FORMAT | |
1048 | #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little | |
1049 | #endif | |
1050 | #ifndef HOST_DOUBLE_FORMAT | |
1051 | #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little | |
1052 | #endif | |
c906108c SS |
1053 | #endif |
1054 | ||
1055 | #ifndef HOST_LONG_DOUBLE_FORMAT | |
1056 | #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown | |
1057 | #endif | |
1058 | ||
1059 | #ifndef TARGET_FLOAT_FORMAT | |
1060 | #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \ | |
1061 | ? &floatformat_ieee_single_big \ | |
1062 | : &floatformat_ieee_single_little) | |
1063 | #endif | |
1064 | #ifndef TARGET_DOUBLE_FORMAT | |
1065 | #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \ | |
1066 | ? &floatformat_ieee_double_big \ | |
1067 | : &floatformat_ieee_double_little) | |
1068 | #endif | |
1069 | ||
1070 | #ifndef TARGET_LONG_DOUBLE_FORMAT | |
917317f4 | 1071 | #define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown |
c906108c SS |
1072 | #endif |
1073 | ||
1074 | /* Use `long double' if the host compiler supports it. (Note that this is not | |
1075 | necessarily any longer than `double'. On SunOS/gcc, it's the same as | |
1076 | double.) This is necessary because GDB internally converts all floating | |
1077 | point values to the widest type supported by the host. | |
1078 | ||
1079 | There are problems however, when the target `long double' is longer than the | |
1080 | host's `long double'. In general, we'll probably reduce the precision of | |
1081 | any such values and print a warning. */ | |
1082 | ||
1083 | #ifdef HAVE_LONG_DOUBLE | |
1084 | typedef long double DOUBLEST; | |
1085 | #else | |
1086 | typedef double DOUBLEST; | |
1087 | #endif | |
1088 | ||
917317f4 JM |
1089 | extern void floatformat_to_doublest (const struct floatformat *, |
1090 | char *, DOUBLEST *); | |
1091 | extern void floatformat_from_doublest (const struct floatformat *, | |
1092 | DOUBLEST *, char *); | |
1093 | extern DOUBLEST extract_floating (void *, int); | |
c906108c | 1094 | |
917317f4 | 1095 | extern void store_floating (void *, int, DOUBLEST); |
c906108c SS |
1096 | \f |
1097 | /* On some machines there are bits in addresses which are not really | |
1098 | part of the address, but are used by the kernel, the hardware, etc. | |
1099 | for special purposes. ADDR_BITS_REMOVE takes out any such bits | |
1100 | so we get a "real" address such as one would find in a symbol | |
1101 | table. This is used only for addresses of instructions, and even then | |
1102 | I'm not sure it's used in all contexts. It exists to deal with there | |
1103 | being a few stray bits in the PC which would mislead us, not as some sort | |
1104 | of generic thing to handle alignment or segmentation (it's possible it | |
cd0fc7c3 | 1105 | should be in TARGET_READ_PC instead). */ |
c906108c SS |
1106 | #if !defined (ADDR_BITS_REMOVE) |
1107 | #define ADDR_BITS_REMOVE(addr) (addr) | |
1108 | #endif /* No ADDR_BITS_REMOVE. */ | |
1109 | ||
1110 | /* From valops.c */ | |
1111 | ||
917317f4 | 1112 | extern CORE_ADDR push_bytes (CORE_ADDR, char *, int); |
c906108c | 1113 | |
917317f4 | 1114 | extern CORE_ADDR push_word (CORE_ADDR, ULONGEST); |
c906108c | 1115 | |
c906108c | 1116 | extern int watchdog; |
c906108c SS |
1117 | |
1118 | /* Hooks for alternate command interfaces. */ | |
c906108c SS |
1119 | struct target_waitstatus; |
1120 | struct cmd_list_element; | |
c906108c | 1121 | |
0f71a2f6 JM |
1122 | /* Should the asynchronous variant of the interpreter (using the |
1123 | event-loop) be enabled? */ | |
6426a772 | 1124 | extern int event_loop_p; |
917317f4 JM |
1125 | |
1126 | extern void (*init_ui_hook) (char *argv0); | |
1127 | extern void (*command_loop_hook) (void); | |
c2d11a7d JM |
1128 | extern void (*show_load_progress) (const char *section, |
1129 | unsigned long section_sent, | |
1130 | unsigned long section_size, | |
1131 | unsigned long total_sent, | |
1132 | unsigned long total_size); | |
917317f4 JM |
1133 | extern void (*print_frame_info_listing_hook) (struct symtab * s, |
1134 | int line, int stopline, | |
1135 | int noerror); | |
1136 | extern struct frame_info *parse_frame_specification (char *frame_exp); | |
1137 | extern int (*query_hook) (const char *, va_list); | |
1138 | extern void (*warning_hook) (const char *, va_list); | |
1139 | extern void (*flush_hook) (GDB_FILE * stream); | |
1140 | extern void (*create_breakpoint_hook) (struct breakpoint * b); | |
1141 | extern void (*delete_breakpoint_hook) (struct breakpoint * bpt); | |
1142 | extern void (*modify_breakpoint_hook) (struct breakpoint * bpt); | |
1143 | extern void (*interactive_hook) (void); | |
1144 | extern void (*registers_changed_hook) (void); | |
1145 | extern void (*readline_begin_hook) (char *,...); | |
1146 | extern char *(*readline_hook) (char *); | |
1147 | extern void (*readline_end_hook) (void); | |
1148 | extern void (*register_changed_hook) (int regno); | |
1149 | extern void (*memory_changed_hook) (CORE_ADDR addr, int len); | |
1150 | extern void (*context_hook) (int); | |
1151 | extern int (*target_wait_hook) (int pid, struct target_waitstatus * status); | |
1152 | ||
1153 | extern void (*attach_hook) (void); | |
1154 | extern void (*detach_hook) (void); | |
1155 | extern void (*call_command_hook) (struct cmd_list_element * c, | |
1156 | char *cmd, int from_tty); | |
1157 | ||
1158 | extern void (*set_hook) (struct cmd_list_element * c); | |
1159 | ||
1160 | extern NORETURN void (*error_hook) (void) ATTR_NORETURN; | |
1161 | ||
1162 | extern void (*error_begin_hook) (void); | |
1163 | ||
1164 | extern int (*ui_load_progress_hook) (const char *section, unsigned long num); | |
c906108c SS |
1165 | |
1166 | ||
1167 | /* Inhibit window interface if non-zero. */ | |
1168 | ||
1169 | extern int use_windows; | |
1170 | ||
1171 | /* Symbolic definitions of filename-related things. */ | |
1172 | /* FIXME, this doesn't work very well if host and executable | |
1173 | filesystems conventions are different. */ | |
1174 | ||
1175 | #ifndef DIRNAME_SEPARATOR | |
1176 | #define DIRNAME_SEPARATOR ':' | |
1177 | #endif | |
1178 | ||
1179 | #ifndef SLASH_P | |
1180 | #if defined(__GO32__)||defined(_WIN32) | |
1181 | #define SLASH_P(X) ((X)=='\\') | |
1182 | #else | |
1183 | #define SLASH_P(X) ((X)=='/') | |
1184 | #endif | |
1185 | #endif | |
1186 | ||
1187 | #ifndef SLASH_CHAR | |
1188 | #if defined(__GO32__)||defined(_WIN32) | |
1189 | #define SLASH_CHAR '\\' | |
1190 | #else | |
1191 | #define SLASH_CHAR '/' | |
1192 | #endif | |
1193 | #endif | |
1194 | ||
1195 | #ifndef SLASH_STRING | |
1196 | #if defined(__GO32__)||defined(_WIN32) | |
1197 | #define SLASH_STRING "\\" | |
1198 | #else | |
1199 | #define SLASH_STRING "/" | |
1200 | #endif | |
1201 | #endif | |
1202 | ||
1203 | #ifndef ROOTED_P | |
1204 | #define ROOTED_P(X) (SLASH_P((X)[0])) | |
1205 | #endif | |
1206 | ||
1207 | /* On some systems, PIDGET is defined to extract the inferior pid from | |
1208 | an internal pid that has the thread id and pid in seperate bit | |
1209 | fields. If not defined, then just use the entire internal pid as | |
1210 | the actual pid. */ | |
1211 | ||
1212 | #ifndef PIDGET | |
ed9a39eb JM |
1213 | #define PIDGET(PID) (PID) |
1214 | #define TIDGET(PID) 0 | |
c906108c SS |
1215 | #endif |
1216 | ||
1217 | /* If under Cygwin, provide backwards compatibility with older | |
1218 | Cygwin compilers that don't define the current cpp define. */ | |
1219 | #ifdef __CYGWIN32__ | |
1220 | #ifndef __CYGWIN__ | |
1221 | #define __CYGWIN__ | |
1222 | #endif | |
1223 | #endif | |
1224 | ||
96baa820 JM |
1225 | /* Define well known filenos if the system does not define them. */ |
1226 | #ifndef STDIN_FILENO | |
1227 | #define STDIN_FILENO 0 | |
1228 | #endif | |
1229 | #ifndef STDOUT_FILENO | |
1230 | #define STDOUT_FILENO 1 | |
1231 | #endif | |
1232 | #ifndef STDERR_FILENO | |
1233 | #define STDERR_FILENO 2 | |
1234 | #endif | |
1235 | ||
104c1213 JM |
1236 | /* If this definition isn't overridden by the header files, assume |
1237 | that isatty and fileno exist on this system. */ | |
1238 | #ifndef ISATTY | |
1239 | #define ISATTY(FP) (isatty (fileno (FP))) | |
1240 | #endif | |
1241 | ||
c4093a6a JM |
1242 | \f |
1243 | /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h / | |
1244 | libgdb.h or gdblib.h. */ | |
1245 | ||
1246 | /* Return-code (RC) from a gdb library call. (The abreviation RC is | |
1247 | taken from the sim/common directory.) */ | |
1248 | ||
1249 | enum gdb_rc { | |
1250 | /* The operation failed. The failure message can be fetched by | |
1251 | calling ``char *error_last_message(void)''. The value is | |
1252 | determined by the catch_errors() interface. */ | |
1253 | /* NOTE: Since ``defs.h:catch_errors()'' does not return an error / | |
1254 | internal / quit indication it is not possible to return that | |
1255 | here. */ | |
1256 | GDB_RC_FAIL = 0, | |
1257 | /* No error occured but nothing happened. Due to the catch_errors() | |
1258 | interface, this must be non-zero. */ | |
1259 | GDB_RC_NONE = 1, | |
1260 | /* The operation was successful. Due to the catch_errors() | |
1261 | interface, this must be non-zero. */ | |
1262 | GDB_RC_OK = 2 | |
1263 | }; | |
1264 | ||
1265 | ||
1266 | /* Print the specified breakpoint on GDB_STDOUT. (Eventually this | |
1267 | function will ``print'' the object on ``output''). */ | |
1268 | enum gdb_rc gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum); | |
1269 | ||
c3f6f71d JM |
1270 | /* Create a breakpoint at ADDRESS (a GDB source and line). */ |
1271 | enum gdb_rc gdb_breakpoint (char *address, char *condition, | |
1272 | int hardwareflag, int tempflag, | |
1273 | int thread, int ignore_count); | |
0fda6bd2 | 1274 | enum gdb_rc gdb_thread_select (/* output object */ char *tidstr); |
c3f6f71d | 1275 | |
c906108c | 1276 | #endif /* #ifndef DEFS_H */ |