Commit | Line | Data |
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7d9884b9 | 1 | /* Basic, host-specific, and target-specific definitions for GDB. |
16041d53 | 2 | Copyright (C) 1986, 1989, 1991, 1992, 1993, 1994, 1995 |
6f54efdc | 3 | Free Software Foundation, Inc. |
bd5635a1 RP |
4 | |
5 | This file is part of GDB. | |
6 | ||
a10c0d36 | 7 | This program is free software; you can redistribute it and/or modify |
bd5635a1 | 8 | it under the terms of the GNU General Public License as published by |
a10c0d36 JG |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. | |
bd5635a1 | 11 | |
a10c0d36 | 12 | This program is distributed in the hope that it will be useful, |
bd5635a1 RP |
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 | |
a10c0d36 JG |
18 | along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
bd5635a1 | 20 | |
09722039 SG |
21 | #ifndef DEFS_H |
22 | #define DEFS_H | |
d747e0af MT |
23 | |
24 | #include <stdio.h> | |
25 | ||
26 | /* First include ansidecl.h so we can use the various macro definitions | |
debd3443 | 27 | here and in all subsequent file inclusions. */ |
d747e0af MT |
28 | |
29 | #include "ansidecl.h" | |
30 | ||
97e7b66f DE |
31 | #include "libiberty.h" |
32 | ||
33 | /* libiberty.h can't declare this one, but evidently we can. */ | |
34 | extern char *strsignal PARAMS ((int)); | |
35 | ||
c023fbf4 KH |
36 | #include "progress.h" |
37 | ||
86db943c SG |
38 | #include "mmalloc.h" |
39 | ||
7343d716 JK |
40 | /* For BFD64 and bfd_vma. */ |
41 | #include "bfd.h" | |
42 | ||
43 | /* An address in the program being debugged. Host byte order. Rather | |
44 | than duplicate all the logic in BFD which figures out what type | |
45 | this is (long, long long, etc.) and whether it needs to be 64 | |
46 | bits (the host/target interactions are subtle), we just use | |
47 | bfd_vma. */ | |
48 | ||
49 | typedef bfd_vma CORE_ADDR; | |
bd5635a1 RP |
50 | |
51 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
52 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
53 | ||
2e4964ad FF |
54 | /* Gdb does *lots* of string compares. Use macros to speed them up by |
55 | avoiding function calls if the first characters are not the same. */ | |
56 | ||
bd5d07d9 | 57 | #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b)) |
2e4964ad FF |
58 | #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0) |
59 | #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0) | |
60 | ||
dd577ca5 | 61 | /* The character GNU C++ uses to build identifiers that must be unique from |
bd5635a1 RP |
62 | the program's identifiers (such as $this and $$vptr). */ |
63 | #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */ | |
64 | ||
e146177e | 65 | #include <errno.h> /* System call error return status */ |
bd5635a1 RP |
66 | |
67 | extern int quit_flag; | |
68 | extern int immediate_quit; | |
51b80b00 | 69 | extern int sevenbit_strings; |
d747e0af | 70 | |
6f54efdc | 71 | extern void quit PARAMS ((void)); |
bd5635a1 | 72 | |
c023fbf4 KH |
73 | #define QUIT { \ |
74 | if (quit_flag) quit (); \ | |
75 | if (interactive_hook) interactive_hook (); \ | |
76 | PROGRESS (1); \ | |
77 | } | |
bd5635a1 | 78 | |
e58de8a2 FF |
79 | /* Command classes are top-level categories into which commands are broken |
80 | down for "help" purposes. | |
81 | Notes on classes: class_alias is for alias commands which are not | |
82 | abbreviations of the original command. class-pseudo is for commands | |
83 | which are not really commands nor help topics ("stop"). */ | |
bd5635a1 RP |
84 | |
85 | enum command_class | |
86 | { | |
87 | /* Special args to help_list */ | |
88 | all_classes = -2, all_commands = -1, | |
89 | /* Classes of commands */ | |
90 | no_class = -1, class_run = 0, class_vars, class_stack, | |
91 | class_files, class_support, class_info, class_breakpoint, | |
e58de8a2 FF |
92 | class_alias, class_obscure, class_user, class_maintenance, |
93 | class_pseudo | |
bd5635a1 RP |
94 | }; |
95 | ||
bd5d07d9 FF |
96 | /* Languages represented in the symbol table and elsewhere. |
97 | This should probably be in language.h, but since enum's can't | |
98 | be forward declared to satisfy opaque references before their | |
99 | actual definition, needs to be here. */ | |
100 | ||
101 | enum language | |
102 | { | |
103 | language_unknown, /* Language not known */ | |
104 | language_auto, /* Placeholder for automatic setting */ | |
105 | language_c, /* C */ | |
106 | language_cplus, /* C++ */ | |
bd5d07d9 | 107 | language_chill, /* Chill */ |
e52bfe0c | 108 | language_fortran, /* Fortran */ |
754e5da2 SG |
109 | language_m2, /* Modula-2 */ |
110 | language_asm /* Assembly language */ | |
bd5d07d9 FF |
111 | }; |
112 | ||
bd5635a1 RP |
113 | /* the cleanup list records things that have to be undone |
114 | if an error happens (descriptors to be closed, memory to be freed, etc.) | |
115 | Each link in the chain records a function to call and an | |
116 | argument to give it. | |
117 | ||
118 | Use make_cleanup to add an element to the cleanup chain. | |
119 | Use do_cleanups to do all cleanup actions back to a given | |
120 | point in the chain. Use discard_cleanups to remove cleanups | |
121 | from the chain back to a given point, not doing them. */ | |
122 | ||
123 | struct cleanup | |
124 | { | |
125 | struct cleanup *next; | |
d747e0af MT |
126 | void (*function) PARAMS ((PTR)); |
127 | PTR arg; | |
bd5635a1 RP |
128 | }; |
129 | ||
413cba82 JL |
130 | |
131 | /* The ability to declare that a function never returns is useful, but | |
132 | not really required to compile GDB successfully, so the NORETURN and | |
133 | ATTR_NORETURN macros normally expand into nothing. */ | |
134 | ||
135 | /* If compiling with older versions of GCC, a function may be declared | |
136 | "volatile" to indicate that it does not return. */ | |
137 | ||
138 | #ifndef NORETURN | |
139 | # if defined(__GNUC__) \ | |
140 | && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)) | |
141 | # define NORETURN volatile | |
142 | # else | |
143 | # define NORETURN /* nothing */ | |
144 | # endif | |
145 | #endif | |
146 | ||
147 | /* GCC 2.5 and later versions define a function attribute "noreturn", | |
148 | which is the preferred way to declare that a function never returns. */ | |
149 | ||
150 | #ifndef ATTR_NORETURN | |
151 | # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 5 | |
152 | # define ATTR_NORETURN __attribute__ ((noreturn)) | |
153 | # else | |
154 | # define ATTR_NORETURN /* nothing */ | |
155 | # endif | |
156 | #endif | |
157 | ||
158 | #ifndef ATTR_FORMAT | |
159 | # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 | |
160 | # define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y))) | |
161 | # else | |
162 | # define ATTR_FORMAT(type, x, y) /* nothing */ | |
163 | # endif | |
164 | #endif | |
165 | ||
637b1661 SG |
166 | /* Needed for various prototypes */ |
167 | ||
168 | #ifdef __STDC__ | |
169 | struct symtab; | |
170 | struct breakpoint; | |
171 | #endif | |
172 | ||
d747e0af MT |
173 | /* From blockframe.c */ |
174 | ||
6f54efdc | 175 | extern int inside_entry_func PARAMS ((CORE_ADDR)); |
d747e0af | 176 | |
6f54efdc | 177 | extern int inside_entry_file PARAMS ((CORE_ADDR addr)); |
d747e0af | 178 | |
6f54efdc | 179 | extern int inside_main_func PARAMS ((CORE_ADDR pc)); |
d747e0af | 180 | |
7532cf10 FF |
181 | /* From ch-lang.c, for the moment. (FIXME) */ |
182 | ||
6f54efdc | 183 | extern char *chill_demangle PARAMS ((const char *)); |
7532cf10 | 184 | |
d747e0af MT |
185 | /* From utils.c */ |
186 | ||
6f54efdc | 187 | extern int strcmp_iw PARAMS ((const char *, const char *)); |
d630b615 | 188 | |
6f54efdc | 189 | extern char *safe_strerror PARAMS ((int)); |
e146177e | 190 | |
6f54efdc | 191 | extern char *safe_strsignal PARAMS ((int)); |
e146177e | 192 | |
6f54efdc | 193 | extern void init_malloc PARAMS ((void *)); |
d747e0af | 194 | |
6f54efdc | 195 | extern void request_quit PARAMS ((int)); |
d747e0af | 196 | |
6f54efdc | 197 | extern void do_cleanups PARAMS ((struct cleanup *)); |
d747e0af | 198 | |
6f54efdc | 199 | extern void discard_cleanups PARAMS ((struct cleanup *)); |
d747e0af MT |
200 | |
201 | /* The bare make_cleanup function is one of those rare beasts that | |
202 | takes almost any type of function as the first arg and anything that | |
203 | will fit in a "void *" as the second arg. | |
204 | ||
205 | Should be, once all calls and called-functions are cleaned up: | |
206 | extern struct cleanup * | |
84d59861 | 207 | make_cleanup PARAMS ((void (*function) (void *), void *)); |
d747e0af MT |
208 | |
209 | Until then, lint and/or various type-checking compiler options will | |
210 | complain about make_cleanup calls. It'd be wrong to just cast things, | |
211 | since the type actually passed when the function is called would be | |
212 | wrong. */ | |
213 | ||
6f54efdc | 214 | extern struct cleanup *make_cleanup (); |
d747e0af | 215 | |
6f54efdc | 216 | extern struct cleanup *save_cleanups PARAMS ((void)); |
d747e0af | 217 | |
6f54efdc | 218 | extern void restore_cleanups PARAMS ((struct cleanup *)); |
d747e0af | 219 | |
6f54efdc | 220 | extern void free_current_contents PARAMS ((char **)); |
d747e0af | 221 | |
6f54efdc | 222 | extern void null_cleanup PARAMS ((char **)); |
d747e0af | 223 | |
6f54efdc | 224 | extern int myread PARAMS ((int, char *, int)); |
d747e0af | 225 | |
413cba82 JL |
226 | extern int query PARAMS((char *, ...)) |
227 | ATTR_FORMAT(printf, 1, 2); | |
6c803036 | 228 | \f |
96f7edbd JK |
229 | /* Annotation stuff. */ |
230 | ||
6c803036 JK |
231 | extern int annotation_level; /* in stack.c */ |
232 | \f | |
6f54efdc | 233 | extern void begin_line PARAMS ((void)); |
51b80b00 | 234 | |
6f54efdc | 235 | extern void wrap_here PARAMS ((char *)); |
d747e0af | 236 | |
6f54efdc | 237 | extern void reinitialize_more_filter PARAMS ((void)); |
d747e0af | 238 | |
04f566a3 JK |
239 | typedef FILE GDB_FILE; |
240 | #define gdb_stdout stdout | |
241 | #define gdb_stderr stderr | |
242 | ||
6f54efdc | 243 | extern void gdb_flush PARAMS ((GDB_FILE *)); |
04f566a3 | 244 | |
6f54efdc | 245 | extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode)); |
04f566a3 | 246 | |
6f54efdc | 247 | extern void fputs_filtered PARAMS ((const char *, GDB_FILE *)); |
04f566a3 | 248 | |
6f54efdc | 249 | extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *)); |
d747e0af | 250 | |
8989d4fc | 251 | extern int fputc_unfiltered PARAMS ((int c, GDB_FILE *)); |
04f566a3 | 252 | |
8989d4fc | 253 | extern int putchar_unfiltered PARAMS ((int c)); |
d747e0af | 254 | |
6f54efdc | 255 | extern void puts_filtered PARAMS ((char *)); |
d747e0af | 256 | |
6f54efdc | 257 | extern void puts_unfiltered PARAMS ((char *)); |
04f566a3 | 258 | |
413cba82 JL |
259 | extern void vprintf_filtered PARAMS ((char *, ...)) |
260 | ATTR_FORMAT(printf, 1, 0); | |
51b80b00 | 261 | |
413cba82 JL |
262 | extern void vfprintf_filtered PARAMS ((FILE *, char *, ...)) |
263 | ATTR_FORMAT(printf, 2, 0); | |
a8e033f2 | 264 | |
413cba82 JL |
265 | extern void fprintf_filtered PARAMS ((FILE *, char *, ...)) |
266 | ATTR_FORMAT(printf, 2, 3); | |
d747e0af | 267 | |
413cba82 JL |
268 | extern void fprintfi_filtered PARAMS ((int, FILE *, char *, ...)) |
269 | ATTR_FORMAT(printf, 3, 4); | |
a8e033f2 | 270 | |
413cba82 JL |
271 | extern void printf_filtered PARAMS ((char *, ...)) |
272 | ATTR_FORMAT(printf, 1, 2); | |
d747e0af | 273 | |
413cba82 JL |
274 | extern void printfi_filtered PARAMS ((int, char *, ...)) |
275 | ATTR_FORMAT(printf, 2, 3); | |
a8e033f2 | 276 | |
413cba82 JL |
277 | extern void vprintf_unfiltered PARAMS ((char *, ...)) |
278 | ATTR_FORMAT(printf, 1, 0); | |
04f566a3 | 279 | |
413cba82 JL |
280 | extern void vfprintf_unfiltered PARAMS ((FILE *, char *, ...)) |
281 | ATTR_FORMAT(printf, 2, 0); | |
04f566a3 | 282 | |
413cba82 JL |
283 | extern void fprintf_unfiltered PARAMS ((FILE *, char *, ...)) |
284 | ATTR_FORMAT(printf, 2, 3); | |
d747e0af | 285 | |
413cba82 JL |
286 | extern void printf_unfiltered PARAMS ((char *, ...)) |
287 | ATTR_FORMAT(printf, 1, 2); | |
04f566a3 | 288 | |
6f54efdc | 289 | extern void print_spaces PARAMS ((int, GDB_FILE *)); |
04f566a3 | 290 | |
6f54efdc | 291 | extern void print_spaces_filtered PARAMS ((int, GDB_FILE *)); |
d747e0af | 292 | |
6f54efdc | 293 | extern char *n_spaces PARAMS ((int)); |
d747e0af | 294 | |
6f54efdc | 295 | extern void gdb_printchar PARAMS ((int, GDB_FILE *, int)); |
d747e0af | 296 | |
833e0d94 JK |
297 | extern void gdb_print_address PARAMS ((void *, GDB_FILE *)); |
298 | ||
6f54efdc SS |
299 | extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *, |
300 | enum language, int)); | |
d747e0af | 301 | |
6f54efdc | 302 | extern void perror_with_name PARAMS ((char *)); |
d747e0af | 303 | |
6f54efdc | 304 | extern void print_sys_errmsg PARAMS ((char *, int)); |
d747e0af | 305 | |
1bef45ea JK |
306 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as |
307 | "const char *" in unistd.h, so we can't declare the argument | |
308 | as "char *". */ | |
d747e0af | 309 | |
6f54efdc | 310 | extern char *re_comp PARAMS ((const char *)); |
d747e0af MT |
311 | |
312 | /* From symfile.c */ | |
313 | ||
6f54efdc | 314 | extern void symbol_file_command PARAMS ((char *, int)); |
d747e0af | 315 | |
eba08643 | 316 | /* From top.c */ |
d747e0af | 317 | |
6f54efdc | 318 | extern char *skip_quoted PARAMS ((char *)); |
d630b615 | 319 | |
6f54efdc | 320 | extern char *gdb_readline PARAMS ((char *)); |
d747e0af | 321 | |
6f54efdc | 322 | extern char *command_line_input PARAMS ((char *, int, char *)); |
d747e0af | 323 | |
6f54efdc | 324 | extern void print_prompt PARAMS ((void)); |
d747e0af | 325 | |
6f54efdc | 326 | extern int input_from_terminal_p PARAMS ((void)); |
d747e0af | 327 | |
eba08643 C |
328 | extern int info_verbose; |
329 | ||
bd5635a1 | 330 | /* From printcmd.c */ |
d747e0af | 331 | |
6f54efdc | 332 | extern void set_next_address PARAMS ((CORE_ADDR)); |
d747e0af | 333 | |
6f54efdc SS |
334 | extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int, |
335 | char *)); | |
d747e0af | 336 | |
6f54efdc | 337 | extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *)); |
833e0d94 | 338 | |
6f54efdc | 339 | extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *)); |
bd5635a1 | 340 | |
e1ce8aa5 | 341 | /* From source.c */ |
d747e0af | 342 | |
6f54efdc | 343 | extern int openp PARAMS ((char *, int, char *, int, int, char **)); |
d747e0af | 344 | |
6f54efdc | 345 | extern void mod_path PARAMS ((char *, char **)); |
d747e0af | 346 | |
6f54efdc | 347 | extern void directory_command PARAMS ((char *, int)); |
d747e0af | 348 | |
6f54efdc | 349 | extern void init_source_path PARAMS ((void)); |
d747e0af | 350 | |
637b1661 SG |
351 | extern char *symtab_to_filename PARAMS ((struct symtab *)); |
352 | ||
d747e0af MT |
353 | /* From findvar.c */ |
354 | ||
6f54efdc | 355 | extern int read_relative_register_raw_bytes PARAMS ((int, char *)); |
e1ce8aa5 | 356 | |
bd5635a1 | 357 | /* From readline (but not in any readline .h files). */ |
d747e0af | 358 | |
6f54efdc | 359 | extern char *tilde_expand PARAMS ((char *)); |
bd5635a1 | 360 | |
78751d4f PS |
361 | /* Control types for commands */ |
362 | ||
363 | enum misc_command_type | |
364 | { | |
365 | ok_command, | |
366 | end_command, | |
367 | else_command, | |
368 | nop_command | |
369 | }; | |
370 | ||
371 | enum command_control_type | |
372 | { | |
373 | simple_control, | |
374 | break_control, | |
375 | continue_control, | |
376 | while_control, | |
377 | if_control, | |
378 | invalid_control | |
379 | }; | |
380 | ||
bd5635a1 RP |
381 | /* Structure for saved commands lines |
382 | (for breakpoints, defined commands, etc). */ | |
383 | ||
384 | struct command_line | |
385 | { | |
386 | struct command_line *next; | |
387 | char *line; | |
78751d4f PS |
388 | enum command_control_type control_type; |
389 | int body_count; | |
390 | struct command_line **body_list; | |
bd5635a1 RP |
391 | }; |
392 | ||
6f54efdc | 393 | extern struct command_line *read_command_lines PARAMS ((void)); |
d747e0af | 394 | |
6f54efdc | 395 | extern void free_command_lines PARAMS ((struct command_line **)); |
bd5635a1 RP |
396 | |
397 | /* String containing the current directory (what getwd would return). */ | |
398 | ||
d747e0af | 399 | extern char *current_directory; |
bd5635a1 RP |
400 | |
401 | /* Default radixes for input and output. Only some values supported. */ | |
402 | extern unsigned input_radix; | |
403 | extern unsigned output_radix; | |
404 | ||
a8a69e63 FF |
405 | /* Possibilities for prettyprint parameters to routines which print |
406 | things. Like enum language, this should be in value.h, but needs | |
407 | to be here for the same reason. FIXME: If we can eliminate this | |
408 | as an arg to LA_VAL_PRINT, then we can probably move it back to | |
409 | value.h. */ | |
410 | ||
411 | enum val_prettyprint | |
412 | { | |
413 | Val_no_prettyprint = 0, | |
414 | Val_prettyprint, | |
415 | /* Use the default setting which the user has specified. */ | |
416 | Val_pretty_default | |
417 | }; | |
418 | ||
0a5d35ed SG |
419 | \f |
420 | /* Host machine definition. This will be a symlink to one of the | |
421 | xm-*.h files, built by the `configure' script. */ | |
422 | ||
423 | #include "xm.h" | |
424 | ||
e58de8a2 FF |
425 | /* Native machine support. This will be a symlink to one of the |
426 | nm-*.h files, built by the `configure' script. */ | |
427 | ||
428 | #include "nm.h" | |
429 | ||
c023fbf4 KH |
430 | /* Target machine definition. This will be a symlink to one of the |
431 | tm-*.h files, built by the `configure' script. */ | |
432 | ||
433 | #include "tm.h" | |
434 | ||
e146177e SEF |
435 | /* If the xm.h file did not define the mode string used to open the |
436 | files, assume that binary files are opened the same way as text | |
437 | files */ | |
438 | #ifndef FOPEN_RB | |
439 | #include "fopen-same.h" | |
440 | #endif | |
441 | ||
0a5d35ed SG |
442 | /* |
443 | * Allow things in gdb to be declared "const". If compiling ANSI, it | |
444 | * just works. If compiling with gcc but non-ansi, redefine to __const__. | |
445 | * If non-ansi, non-gcc, then eliminate "const" entirely, making those | |
446 | * objects be read-write rather than read-only. | |
447 | */ | |
448 | ||
449 | #ifndef const | |
450 | #ifndef __STDC__ | |
451 | # ifdef __GNUC__ | |
452 | # define const __const__ | |
453 | # else | |
454 | # define const /*nothing*/ | |
455 | # endif /* GNUC */ | |
456 | #endif /* STDC */ | |
457 | #endif /* const */ | |
458 | ||
459 | #ifndef volatile | |
460 | #ifndef __STDC__ | |
461 | # ifdef __GNUC__ | |
462 | # define volatile __volatile__ | |
463 | # else | |
464 | # define volatile /*nothing*/ | |
465 | # endif /* GNUC */ | |
466 | #endif /* STDC */ | |
467 | #endif /* volatile */ | |
468 | ||
469 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */ | |
470 | ||
bd5635a1 | 471 | #if !defined (UINT_MAX) |
38dc5e12 | 472 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ |
bd5635a1 RP |
473 | #endif |
474 | ||
e1ce8aa5 | 475 | #if !defined (INT_MAX) |
dd577ca5 | 476 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
e1ce8aa5 JK |
477 | #endif |
478 | ||
479 | #if !defined (INT_MIN) | |
38dc5e12 SG |
480 | #define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */ |
481 | #endif | |
482 | ||
483 | #if !defined (ULONG_MAX) | |
484 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ | |
485 | #endif | |
486 | ||
487 | #if !defined (LONG_MAX) | |
488 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ | |
e1ce8aa5 JK |
489 | #endif |
490 | ||
7343d716 JK |
491 | #ifdef BFD64 |
492 | ||
493 | /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */ | |
494 | ||
70126bf9 | 495 | #define LONGEST BFD_HOST_64_BIT |
7343d716 JK |
496 | |
497 | #else /* No BFD64 */ | |
498 | ||
fad466eb SS |
499 | /* If all compilers for this host support "long long" and we want to |
500 | use it for LONGEST (the performance hit is about 10% on a testsuite | |
501 | run based on one DECstation test), then the xm.h file can define | |
502 | CC_HAS_LONG_LONG. | |
503 | ||
504 | Using GCC 1.39 on BSDI with long long causes about 700 new | |
505 | testsuite failures. Using long long for LONGEST on the DECstation | |
506 | causes 3 new FAILs in the testsuite and many heuristic fencepost | |
507 | warnings. These are not investigated, but a first guess would be | |
508 | that the BSDI problems are GCC bugs in long long support and the | |
509 | latter are GDB bugs. */ | |
7efb57c3 FF |
510 | |
511 | #ifndef CC_HAS_LONG_LONG | |
fad466eb | 512 | # if defined (__GNUC__) && defined (FORCE_LONG_LONG) |
7efb57c3 FF |
513 | # define CC_HAS_LONG_LONG 1 |
514 | # endif | |
515 | #endif | |
fad466eb | 516 | |
7efb57c3 FF |
517 | /* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work. |
518 | CC_HAS_LONG_LONG is defined if the host compiler supports "long long" | |
519 | variables and we wish to make use of that support. */ | |
d747e0af MT |
520 | |
521 | #ifndef LONGEST | |
7efb57c3 FF |
522 | # ifdef CC_HAS_LONG_LONG |
523 | # define LONGEST long long | |
524 | # else | |
525 | # define LONGEST long | |
526 | # endif | |
527 | #endif | |
528 | ||
7343d716 JK |
529 | #endif /* No BFD64 */ |
530 | ||
7efb57c3 FF |
531 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of |
532 | arguments to a function, number in a value history, register number, etc.) | |
533 | where the value must not be larger than can fit in an int. */ | |
534 | ||
fb0f4231 | 535 | extern int longest_to_int PARAMS ((LONGEST)); |
d747e0af | 536 | |
0a5d35ed SG |
537 | /* Assorted functions we can declare, now that const and volatile are |
538 | defined. */ | |
d747e0af | 539 | |
6f54efdc | 540 | extern char *savestring PARAMS ((const char *, int)); |
d747e0af | 541 | |
6f54efdc | 542 | extern char *msavestring PARAMS ((void *, const char *, int)); |
318bf84f | 543 | |
6f54efdc | 544 | extern char *strsave PARAMS ((const char *)); |
d747e0af | 545 | |
6f54efdc | 546 | extern char *mstrsave PARAMS ((void *, const char *)); |
318bf84f | 547 | |
6f54efdc | 548 | extern PTR xmalloc PARAMS ((long)); |
d747e0af | 549 | |
6f54efdc | 550 | extern PTR xrealloc PARAMS ((PTR, long)); |
318bf84f | 551 | |
6f54efdc | 552 | extern PTR xmmalloc PARAMS ((PTR, long)); |
318bf84f | 553 | |
6f54efdc | 554 | extern PTR xmrealloc PARAMS ((PTR, PTR, long)); |
318bf84f | 555 | |
6f54efdc | 556 | extern int parse_escape PARAMS ((char **)); |
d747e0af | 557 | |
86db943c | 558 | extern char *reg_names[]; |
d747e0af | 559 | |
833e0d94 JK |
560 | /* Message to be printed before the error message, when an error occurs. */ |
561 | ||
562 | extern char *error_pre_print; | |
563 | ||
8989d4fc JK |
564 | /* Message to be printed before the error message, when an error occurs. */ |
565 | ||
566 | extern char *quit_pre_print; | |
567 | ||
833e0d94 JK |
568 | /* Message to be printed before the warning message, when a warning occurs. */ |
569 | ||
570 | extern char *warning_pre_print; | |
571 | ||
85c613aa | 572 | extern NORETURN void error PARAMS((char *, ...)) ATTR_NORETURN; |
a0cf4681 JK |
573 | |
574 | extern void error_begin PARAMS ((void)); | |
d747e0af | 575 | |
85c613aa | 576 | extern NORETURN void fatal PARAMS((char *, ...)) ATTR_NORETURN; |
d747e0af | 577 | |
6f54efdc | 578 | extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN; |
318bf84f | 579 | |
2fcdae93 PS |
580 | /* Reasons for calling return_to_top_level. */ |
581 | enum return_reason { | |
582 | /* User interrupt. */ | |
583 | RETURN_QUIT, | |
584 | ||
585 | /* Any other error. */ | |
586 | RETURN_ERROR | |
587 | }; | |
588 | ||
589 | #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT) | |
590 | #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR) | |
591 | #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR) | |
592 | typedef int return_mask; | |
593 | ||
6f54efdc SS |
594 | extern NORETURN void |
595 | return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN; | |
2fcdae93 | 596 | |
6f54efdc SS |
597 | extern int |
598 | catch_errors PARAMS ((int (*) (char *), void *, char *, return_mask)); | |
d747e0af | 599 | |
8989d4fc | 600 | extern void warning_begin PARAMS ((void)); |
d747e0af | 601 | |
413cba82 JL |
602 | extern void warning PARAMS ((char *, ...)) |
603 | ATTR_FORMAT(printf, 1, 2); | |
d747e0af | 604 | |
97e7b66f DE |
605 | /* Global functions from other, non-gdb GNU thingies. |
606 | Libiberty thingies are no longer declared here. We include libiberty.h | |
607 | above, instead. */ | |
d747e0af | 608 | |
6f54efdc | 609 | extern char *getenv PARAMS ((const char *)); |
d747e0af | 610 | |
e146177e SEF |
611 | /* From other system libraries */ |
612 | ||
0a5d35ed | 613 | #ifdef __STDC__ |
d747e0af | 614 | #include <stddef.h> |
e3be225e | 615 | #include <stdlib.h> |
0a5d35ed | 616 | #endif |
d747e0af | 617 | |
e3be225e | 618 | extern int fclose (); |
e146177e | 619 | |
8989d4fc | 620 | #ifndef atof |
e3be225e | 621 | extern double atof (); |
8989d4fc | 622 | #endif |
51b57ded | 623 | |
d747e0af | 624 | #ifndef MALLOC_INCOMPATIBLE |
318bf84f | 625 | |
e3be225e | 626 | extern PTR malloc (); |
d747e0af | 627 | |
e3be225e | 628 | extern PTR realloc (); |
318bf84f | 629 | |
e3be225e | 630 | extern void free (); |
d747e0af | 631 | |
e3be225e | 632 | #endif /* MALLOC_INCOMPATIBLE */ |
d747e0af | 633 | |
e3be225e | 634 | extern char *strchr (); |
51b57ded | 635 | |
e3be225e | 636 | extern char *strrchr (); |
d747e0af | 637 | |
e3be225e | 638 | extern char *strstr (); |
e146177e | 639 | |
e3be225e | 640 | extern char *strtok (); |
51b57ded | 641 | |
e3be225e | 642 | extern char *strerror (); |
e2aab031 | 643 | |
0a5d35ed SG |
644 | /* Various possibilities for alloca. */ |
645 | #ifndef alloca | |
646 | # ifdef __GNUC__ | |
647 | # define alloca __builtin_alloca | |
7343d716 | 648 | # else /* Not GNU C */ |
0a5d35ed | 649 | # ifdef sparc |
22fd4704 | 650 | # include <alloca.h> /* NOTE: Doesn't declare alloca() */ |
e676a15f | 651 | # endif |
7343d716 JK |
652 | |
653 | /* We need to be careful not to declare this in a way which conflicts with | |
654 | bison. Bison never declares it as char *, but under various circumstances | |
655 | (like __hpux) we need to use void *. */ | |
656 | # if defined (__STDC__) || defined (__hpux) | |
657 | extern void *alloca (); | |
658 | # else /* Don't use void *. */ | |
0f552c5f | 659 | extern char *alloca (); |
7343d716 JK |
660 | # endif /* Don't use void *. */ |
661 | # endif /* Not GNU C */ | |
662 | #endif /* alloca not defined */ | |
e2aab031 | 663 | |
479f0f18 | 664 | /* HOST_BYTE_ORDER must be defined to one of these. */ |
a10c0d36 | 665 | |
0a5d35ed SG |
666 | #if !defined (BIG_ENDIAN) |
667 | #define BIG_ENDIAN 4321 | |
668 | #endif | |
a10c0d36 | 669 | |
0a5d35ed SG |
670 | #if !defined (LITTLE_ENDIAN) |
671 | #define LITTLE_ENDIAN 1234 | |
672 | #endif | |
a10c0d36 | 673 | |
2fcdae93 | 674 | /* Target-system-dependent parameters for GDB. */ |
7d9884b9 | 675 | |
479f0f18 SG |
676 | #ifdef TARGET_BYTE_ORDER_SELECTABLE |
677 | /* The target endianness is selectable at runtime. Define | |
678 | TARGET_BYTE_ORDER to be a variable. The user can use the `set | |
679 | endian' command to change it. */ | |
680 | #undef TARGET_BYTE_ORDER | |
681 | #define TARGET_BYTE_ORDER target_byte_order | |
682 | extern int target_byte_order; | |
683 | #endif | |
684 | ||
685 | extern void set_endian_from_file PARAMS ((bfd *)); | |
686 | ||
04f566a3 JK |
687 | /* Number of bits in a char or unsigned char for the target machine. |
688 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ | |
689 | #if !defined (TARGET_CHAR_BIT) | |
690 | #define TARGET_CHAR_BIT 8 | |
691 | #endif | |
692 | ||
693 | /* Number of bits in a short or unsigned short for the target machine. */ | |
694 | #if !defined (TARGET_SHORT_BIT) | |
695 | #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT) | |
696 | #endif | |
697 | ||
698 | /* Number of bits in an int or unsigned int for the target machine. */ | |
699 | #if !defined (TARGET_INT_BIT) | |
700 | #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT) | |
701 | #endif | |
702 | ||
703 | /* Number of bits in a long or unsigned long for the target machine. */ | |
704 | #if !defined (TARGET_LONG_BIT) | |
705 | #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT) | |
706 | #endif | |
707 | ||
708 | /* Number of bits in a long long or unsigned long long for the target machine. */ | |
709 | #if !defined (TARGET_LONG_LONG_BIT) | |
710 | #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT) | |
711 | #endif | |
712 | ||
713 | /* Number of bits in a float for the target machine. */ | |
714 | #if !defined (TARGET_FLOAT_BIT) | |
715 | #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT) | |
716 | #endif | |
717 | ||
718 | /* Number of bits in a double for the target machine. */ | |
719 | #if !defined (TARGET_DOUBLE_BIT) | |
720 | #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT) | |
721 | #endif | |
722 | ||
723 | /* Number of bits in a long double for the target machine. */ | |
724 | #if !defined (TARGET_LONG_DOUBLE_BIT) | |
725 | #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT) | |
726 | #endif | |
727 | ||
04f566a3 JK |
728 | /* Number of bits in a pointer for the target machine */ |
729 | #if !defined (TARGET_PTR_BIT) | |
730 | #define TARGET_PTR_BIT TARGET_INT_BIT | |
731 | #endif | |
732 | ||
733 | /* If we picked up a copy of CHAR_BIT from a configuration file | |
734 | (which may get it by including <limits.h>) then use it to set | |
735 | the number of bits in a host char. If not, use the same size | |
736 | as the target. */ | |
737 | ||
738 | #if defined (CHAR_BIT) | |
739 | #define HOST_CHAR_BIT CHAR_BIT | |
740 | #else | |
741 | #define HOST_CHAR_BIT TARGET_CHAR_BIT | |
742 | #endif | |
743 | ||
7d9884b9 JG |
744 | /* The bit byte-order has to do just with numbering of bits in |
745 | debugging symbols and such. Conceptually, it's quite separate | |
746 | from byte/word byte order. */ | |
747 | ||
748 | #if !defined (BITS_BIG_ENDIAN) | |
479f0f18 SG |
749 | #ifndef TARGET_BYTE_ORDER_SELECTABLE |
750 | ||
7d9884b9 JG |
751 | #if TARGET_BYTE_ORDER == BIG_ENDIAN |
752 | #define BITS_BIG_ENDIAN 1 | |
753 | #endif /* Big endian. */ | |
754 | ||
755 | #if TARGET_BYTE_ORDER == LITTLE_ENDIAN | |
756 | #define BITS_BIG_ENDIAN 0 | |
757 | #endif /* Little endian. */ | |
479f0f18 SG |
758 | |
759 | #else /* defined (TARGET_BYTE_ORDER_SELECTABLE) */ | |
760 | ||
761 | #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN) | |
762 | ||
763 | #endif /* defined (TARGET_BYTE_ORDER_SELECTABLE) */ | |
7d9884b9 JG |
764 | #endif /* BITS_BIG_ENDIAN not defined. */ |
765 | ||
e3c16900 | 766 | /* In findvar.c. */ |
e3c16900 | 767 | |
6f54efdc SS |
768 | extern LONGEST extract_signed_integer PARAMS ((void *, int)); |
769 | ||
770 | extern unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int)); | |
771 | ||
772 | extern CORE_ADDR extract_address PARAMS ((void *, int)); | |
773 | ||
774 | extern void store_signed_integer PARAMS ((void *, int, LONGEST)); | |
775 | ||
776 | extern void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST)); | |
777 | ||
778 | extern void store_address PARAMS ((void *, int, CORE_ADDR)); | |
779 | ||
780 | extern double extract_floating PARAMS ((void *, int)); | |
04f566a3 | 781 | |
6f54efdc | 782 | extern void store_floating PARAMS ((void *, int, double)); |
e3c16900 | 783 | \f |
7d9884b9 JG |
784 | /* On some machines there are bits in addresses which are not really |
785 | part of the address, but are used by the kernel, the hardware, etc. | |
786 | for special purposes. ADDR_BITS_REMOVE takes out any such bits | |
787 | so we get a "real" address such as one would find in a symbol | |
04f566a3 | 788 | table. This is used only for addresses of instructions, and even then |
e3c16900 JK |
789 | I'm not sure it's used in all contexts. It exists to deal with there |
790 | being a few stray bits in the PC which would mislead us, not as some sort | |
04f566a3 JK |
791 | of generic thing to handle alignment or segmentation (it's possible it |
792 | should be in TARGET_READ_PC instead). */ | |
7d9884b9 JG |
793 | #if !defined (ADDR_BITS_REMOVE) |
794 | #define ADDR_BITS_REMOVE(addr) (addr) | |
7d9884b9 JG |
795 | #endif /* No ADDR_BITS_REMOVE. */ |
796 | ||
d747e0af MT |
797 | /* From valops.c */ |
798 | ||
6f54efdc | 799 | extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int)); |
d747e0af | 800 | |
6f54efdc | 801 | extern CORE_ADDR push_word PARAMS ((CORE_ADDR, unsigned LONGEST)); |
d747e0af | 802 | |
0239d9b3 FF |
803 | /* Some parts of gdb might be considered optional, in the sense that they |
804 | are not essential for being able to build a working, usable debugger | |
805 | for a specific environment. For example, the maintenance commands | |
806 | are there for the benefit of gdb maintainers. As another example, | |
807 | some environments really don't need gdb's that are able to read N | |
808 | different object file formats. In order to make it possible (but | |
809 | not necessarily recommended) to build "stripped down" versions of | |
810 | gdb, the following defines control selective compilation of those | |
811 | parts of gdb which can be safely left out when necessary. Note that | |
812 | the default is to include everything. */ | |
813 | ||
814 | #ifndef MAINTENANCE_CMDS | |
815 | #define MAINTENANCE_CMDS 1 | |
816 | #endif | |
817 | ||
09722039 SG |
818 | #include "dis-asm.h" /* Get defs for disassemble_info */ |
819 | ||
18b46e7c SS |
820 | extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr, |
821 | int len, disassemble_info *info)); | |
822 | ||
823 | extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr, | |
824 | disassemble_info *info)); | |
825 | ||
826 | extern void dis_asm_print_address PARAMS ((bfd_vma addr, | |
827 | disassemble_info *info)); | |
828 | ||
829 | extern int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info*)); | |
830 | ||
831 | /* Hooks for alternate command interfaces. */ | |
832 | ||
09722039 SG |
833 | #ifdef __STDC__ |
834 | struct target_waitstatus; | |
835 | struct cmd_list_element; | |
836 | #endif | |
837 | ||
8164ec2e SG |
838 | extern void (*init_ui_hook) PARAMS ((void)); |
839 | extern void (*command_loop_hook) PARAMS ((void)); | |
18b46e7c SS |
840 | extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer, |
841 | FILE *stream)); | |
842 | extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s, | |
843 | int line, int stopline, | |
844 | int noerror)); | |
e3be225e | 845 | extern int (*query_hook) PARAMS (()); |
8164ec2e SG |
846 | extern void (*flush_hook) PARAMS ((FILE *stream)); |
847 | extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b)); | |
848 | extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); | |
326ae3e2 | 849 | extern void (*modify_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); |
637b1661 | 850 | extern void (*interactive_hook) PARAMS ((void)); |
16041d53 | 851 | extern void (*registers_changed_hook) PARAMS ((void)); |
479f0f18 SG |
852 | |
853 | extern int (*target_wait_hook) PARAMS ((int pid, | |
854 | struct target_waitstatus *status)); | |
855 | ||
856 | extern void (*call_command_hook) PARAMS ((struct cmd_list_element *c, | |
857 | char *cmd, int from_tty)); | |
858 | ||
754e5da2 SG |
859 | /* Inhibit window interface if non-zero. */ |
860 | ||
c5197511 | 861 | extern int use_windows; |
754e5da2 | 862 | |
09722039 | 863 | #endif /* #ifndef DEFS_H */ |