Commit | Line | Data |
---|---|---|
7d9884b9 | 1 | /* Basic, host-specific, and target-specific definitions for GDB. |
81afee37 | 2 | Copyright (C) 1986, 1989, 1991, 1992, 1993, 1994, 1995, 1996 |
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 | 18 | along with this program; if not, write to the Free Software |
b6d70e15 | 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
bd5635a1 | 20 | |
09722039 SG |
21 | #ifndef DEFS_H |
22 | #define DEFS_H | |
d747e0af MT |
23 | |
24 | #include <stdio.h> | |
81afee37 FF |
25 | #include <errno.h> /* System call error return status */ |
26 | ||
27 | /* Just in case they're not defined in stdio.h. */ | |
28 | ||
29 | #ifndef SEEK_SET | |
30 | #define SEEK_SET 0 | |
31 | #endif | |
32 | #ifndef SEEK_CUR | |
33 | #define SEEK_CUR 1 | |
34 | #endif | |
d747e0af MT |
35 | |
36 | /* First include ansidecl.h so we can use the various macro definitions | |
debd3443 | 37 | here and in all subsequent file inclusions. */ |
d747e0af MT |
38 | |
39 | #include "ansidecl.h" | |
40 | ||
45993f61 SC |
41 | #ifdef ANSI_PROTOTYPES |
42 | #include <stdarg.h> | |
43 | #else | |
44 | #include <varargs.h> | |
45 | #endif | |
46 | ||
97e7b66f DE |
47 | #include "libiberty.h" |
48 | ||
49 | /* libiberty.h can't declare this one, but evidently we can. */ | |
50 | extern char *strsignal PARAMS ((int)); | |
51 | ||
c023fbf4 KH |
52 | #include "progress.h" |
53 | ||
031c4a7e | 54 | #ifndef NO_MMALLOC |
86db943c | 55 | #include "mmalloc.h" |
031c4a7e | 56 | #endif |
86db943c | 57 | |
7343d716 JK |
58 | /* For BFD64 and bfd_vma. */ |
59 | #include "bfd.h" | |
60 | ||
61 | /* An address in the program being debugged. Host byte order. Rather | |
62 | than duplicate all the logic in BFD which figures out what type | |
63 | this is (long, long long, etc.) and whether it needs to be 64 | |
64 | bits (the host/target interactions are subtle), we just use | |
65 | bfd_vma. */ | |
66 | ||
67 | typedef bfd_vma CORE_ADDR; | |
bd5635a1 RP |
68 | |
69 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
70 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
71 | ||
2e4964ad FF |
72 | /* Gdb does *lots* of string compares. Use macros to speed them up by |
73 | avoiding function calls if the first characters are not the same. */ | |
74 | ||
bd5d07d9 | 75 | #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b)) |
2e4964ad FF |
76 | #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0) |
77 | #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0) | |
78 | ||
dd577ca5 | 79 | /* The character GNU C++ uses to build identifiers that must be unique from |
bd5635a1 RP |
80 | the program's identifiers (such as $this and $$vptr). */ |
81 | #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */ | |
82 | ||
81afee37 FF |
83 | /* Check if a character is one of the commonly used C++ marker characters. */ |
84 | extern int is_cplus_marker PARAMS ((int)); | |
bd5635a1 RP |
85 | |
86 | extern int quit_flag; | |
87 | extern int immediate_quit; | |
51b80b00 | 88 | extern int sevenbit_strings; |
d747e0af | 89 | |
6f54efdc | 90 | extern void quit PARAMS ((void)); |
bd5635a1 | 91 | |
c023fbf4 KH |
92 | #define QUIT { \ |
93 | if (quit_flag) quit (); \ | |
94 | if (interactive_hook) interactive_hook (); \ | |
95 | PROGRESS (1); \ | |
96 | } | |
bd5635a1 | 97 | |
e58de8a2 FF |
98 | /* Command classes are top-level categories into which commands are broken |
99 | down for "help" purposes. | |
100 | Notes on classes: class_alias is for alias commands which are not | |
101 | abbreviations of the original command. class-pseudo is for commands | |
102 | which are not really commands nor help topics ("stop"). */ | |
bd5635a1 RP |
103 | |
104 | enum command_class | |
105 | { | |
106 | /* Special args to help_list */ | |
107 | all_classes = -2, all_commands = -1, | |
108 | /* Classes of commands */ | |
109 | no_class = -1, class_run = 0, class_vars, class_stack, | |
110 | class_files, class_support, class_info, class_breakpoint, | |
e58de8a2 FF |
111 | class_alias, class_obscure, class_user, class_maintenance, |
112 | class_pseudo | |
bd5635a1 RP |
113 | }; |
114 | ||
bd5d07d9 FF |
115 | /* Languages represented in the symbol table and elsewhere. |
116 | This should probably be in language.h, but since enum's can't | |
117 | be forward declared to satisfy opaque references before their | |
118 | actual definition, needs to be here. */ | |
119 | ||
120 | enum language | |
121 | { | |
122 | language_unknown, /* Language not known */ | |
123 | language_auto, /* Placeholder for automatic setting */ | |
124 | language_c, /* C */ | |
125 | language_cplus, /* C++ */ | |
bd5d07d9 | 126 | language_chill, /* Chill */ |
e52bfe0c | 127 | language_fortran, /* Fortran */ |
754e5da2 | 128 | language_m2, /* Modula-2 */ |
0e4ca328 PB |
129 | language_asm, /* Assembly language */ |
130 | language_scm /* Scheme / Guile */ | |
bd5d07d9 FF |
131 | }; |
132 | ||
bd5635a1 RP |
133 | /* the cleanup list records things that have to be undone |
134 | if an error happens (descriptors to be closed, memory to be freed, etc.) | |
135 | Each link in the chain records a function to call and an | |
136 | argument to give it. | |
137 | ||
138 | Use make_cleanup to add an element to the cleanup chain. | |
139 | Use do_cleanups to do all cleanup actions back to a given | |
140 | point in the chain. Use discard_cleanups to remove cleanups | |
141 | from the chain back to a given point, not doing them. */ | |
142 | ||
143 | struct cleanup | |
144 | { | |
145 | struct cleanup *next; | |
d747e0af MT |
146 | void (*function) PARAMS ((PTR)); |
147 | PTR arg; | |
bd5635a1 RP |
148 | }; |
149 | ||
413cba82 JL |
150 | |
151 | /* The ability to declare that a function never returns is useful, but | |
152 | not really required to compile GDB successfully, so the NORETURN and | |
153 | ATTR_NORETURN macros normally expand into nothing. */ | |
154 | ||
155 | /* If compiling with older versions of GCC, a function may be declared | |
156 | "volatile" to indicate that it does not return. */ | |
157 | ||
158 | #ifndef NORETURN | |
159 | # if defined(__GNUC__) \ | |
b6d70e15 | 160 | && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)) |
413cba82 JL |
161 | # define NORETURN volatile |
162 | # else | |
163 | # define NORETURN /* nothing */ | |
164 | # endif | |
165 | #endif | |
166 | ||
167 | /* GCC 2.5 and later versions define a function attribute "noreturn", | |
b6d70e15 SC |
168 | which is the preferred way to declare that a function never returns. |
169 | However GCC 2.7 appears to be the first version in which this fully | |
170 | works everywhere we use it. */ | |
413cba82 JL |
171 | |
172 | #ifndef ATTR_NORETURN | |
b6d70e15 | 173 | # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7 |
413cba82 JL |
174 | # define ATTR_NORETURN __attribute__ ((noreturn)) |
175 | # else | |
176 | # define ATTR_NORETURN /* nothing */ | |
177 | # endif | |
178 | #endif | |
179 | ||
180 | #ifndef ATTR_FORMAT | |
b6d70e15 | 181 | # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 && defined (__ANSI_PROTOTYPES) |
413cba82 JL |
182 | # define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y))) |
183 | # else | |
184 | # define ATTR_FORMAT(type, x, y) /* nothing */ | |
185 | # endif | |
186 | #endif | |
187 | ||
637b1661 SG |
188 | /* Needed for various prototypes */ |
189 | ||
190 | #ifdef __STDC__ | |
191 | struct symtab; | |
192 | struct breakpoint; | |
193 | #endif | |
194 | ||
d747e0af MT |
195 | /* From blockframe.c */ |
196 | ||
6f54efdc | 197 | extern int inside_entry_func PARAMS ((CORE_ADDR)); |
d747e0af | 198 | |
6f54efdc | 199 | extern int inside_entry_file PARAMS ((CORE_ADDR addr)); |
d747e0af | 200 | |
6f54efdc | 201 | extern int inside_main_func PARAMS ((CORE_ADDR pc)); |
d747e0af | 202 | |
7532cf10 FF |
203 | /* From ch-lang.c, for the moment. (FIXME) */ |
204 | ||
6f54efdc | 205 | extern char *chill_demangle PARAMS ((const char *)); |
7532cf10 | 206 | |
d747e0af MT |
207 | /* From utils.c */ |
208 | ||
6f54efdc | 209 | extern int strcmp_iw PARAMS ((const char *, const char *)); |
d630b615 | 210 | |
6f54efdc | 211 | extern char *safe_strerror PARAMS ((int)); |
e146177e | 212 | |
6f54efdc | 213 | extern char *safe_strsignal PARAMS ((int)); |
e146177e | 214 | |
6f54efdc | 215 | extern void init_malloc PARAMS ((void *)); |
d747e0af | 216 | |
6f54efdc | 217 | extern void request_quit PARAMS ((int)); |
d747e0af | 218 | |
6f54efdc | 219 | extern void do_cleanups PARAMS ((struct cleanup *)); |
d747e0af | 220 | |
6f54efdc | 221 | extern void discard_cleanups PARAMS ((struct cleanup *)); |
d747e0af MT |
222 | |
223 | /* The bare make_cleanup function is one of those rare beasts that | |
224 | takes almost any type of function as the first arg and anything that | |
225 | will fit in a "void *" as the second arg. | |
226 | ||
227 | Should be, once all calls and called-functions are cleaned up: | |
228 | extern struct cleanup * | |
84d59861 | 229 | make_cleanup PARAMS ((void (*function) (void *), void *)); |
d747e0af MT |
230 | |
231 | Until then, lint and/or various type-checking compiler options will | |
232 | complain about make_cleanup calls. It'd be wrong to just cast things, | |
233 | since the type actually passed when the function is called would be | |
234 | wrong. */ | |
235 | ||
6f54efdc | 236 | extern struct cleanup *make_cleanup (); |
d747e0af | 237 | |
6f54efdc | 238 | extern struct cleanup *save_cleanups PARAMS ((void)); |
d747e0af | 239 | |
6f54efdc | 240 | extern void restore_cleanups PARAMS ((struct cleanup *)); |
d747e0af | 241 | |
6f54efdc | 242 | extern void free_current_contents PARAMS ((char **)); |
d747e0af | 243 | |
6f54efdc | 244 | extern void null_cleanup PARAMS ((char **)); |
d747e0af | 245 | |
6f54efdc | 246 | extern int myread PARAMS ((int, char *, int)); |
d747e0af | 247 | |
413cba82 JL |
248 | extern int query PARAMS((char *, ...)) |
249 | ATTR_FORMAT(printf, 1, 2); | |
6c803036 | 250 | \f |
96f7edbd JK |
251 | /* Annotation stuff. */ |
252 | ||
6c803036 JK |
253 | extern int annotation_level; /* in stack.c */ |
254 | \f | |
6f54efdc | 255 | extern void begin_line PARAMS ((void)); |
51b80b00 | 256 | |
6f54efdc | 257 | extern void wrap_here PARAMS ((char *)); |
d747e0af | 258 | |
6f54efdc | 259 | extern void reinitialize_more_filter PARAMS ((void)); |
d747e0af | 260 | |
04f566a3 JK |
261 | typedef FILE GDB_FILE; |
262 | #define gdb_stdout stdout | |
263 | #define gdb_stderr stderr | |
264 | ||
6f54efdc | 265 | extern void gdb_flush PARAMS ((GDB_FILE *)); |
04f566a3 | 266 | |
6f54efdc | 267 | extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode)); |
04f566a3 | 268 | |
6f54efdc | 269 | extern void fputs_filtered PARAMS ((const char *, GDB_FILE *)); |
04f566a3 | 270 | |
6f54efdc | 271 | extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *)); |
d747e0af | 272 | |
8989d4fc | 273 | extern int fputc_unfiltered PARAMS ((int c, GDB_FILE *)); |
04f566a3 | 274 | |
8989d4fc | 275 | extern int putchar_unfiltered PARAMS ((int c)); |
d747e0af | 276 | |
81afee37 | 277 | extern void puts_filtered PARAMS ((const char *)); |
d747e0af | 278 | |
81afee37 | 279 | extern void puts_unfiltered PARAMS ((const char *)); |
04f566a3 | 280 | |
81afee37 | 281 | extern void vprintf_filtered PARAMS ((const char *, va_list)) |
413cba82 | 282 | ATTR_FORMAT(printf, 1, 0); |
51b80b00 | 283 | |
81afee37 | 284 | extern void vfprintf_filtered PARAMS ((FILE *, const char *, va_list)) |
413cba82 | 285 | ATTR_FORMAT(printf, 2, 0); |
a8e033f2 | 286 | |
81afee37 | 287 | extern void fprintf_filtered PARAMS ((FILE *, const char *, ...)) |
413cba82 | 288 | ATTR_FORMAT(printf, 2, 3); |
d747e0af | 289 | |
81afee37 | 290 | extern void fprintfi_filtered PARAMS ((int, FILE *, const char *, ...)) |
413cba82 | 291 | ATTR_FORMAT(printf, 3, 4); |
a8e033f2 | 292 | |
81afee37 | 293 | extern void printf_filtered PARAMS ((const char *, ...)) |
413cba82 | 294 | ATTR_FORMAT(printf, 1, 2); |
d747e0af | 295 | |
81afee37 | 296 | extern void printfi_filtered PARAMS ((int, const char *, ...)) |
413cba82 | 297 | ATTR_FORMAT(printf, 2, 3); |
a8e033f2 | 298 | |
81afee37 | 299 | extern void vprintf_unfiltered PARAMS ((const char *, va_list)) |
413cba82 | 300 | ATTR_FORMAT(printf, 1, 0); |
04f566a3 | 301 | |
81afee37 | 302 | extern void vfprintf_unfiltered PARAMS ((FILE *, const char *, va_list)) |
413cba82 | 303 | ATTR_FORMAT(printf, 2, 0); |
04f566a3 | 304 | |
81afee37 | 305 | extern void fprintf_unfiltered PARAMS ((FILE *, const char *, ...)) |
413cba82 | 306 | ATTR_FORMAT(printf, 2, 3); |
d747e0af | 307 | |
81afee37 | 308 | extern void printf_unfiltered PARAMS ((const char *, ...)) |
413cba82 | 309 | ATTR_FORMAT(printf, 1, 2); |
04f566a3 | 310 | |
6f54efdc | 311 | extern void print_spaces PARAMS ((int, GDB_FILE *)); |
04f566a3 | 312 | |
6f54efdc | 313 | extern void print_spaces_filtered PARAMS ((int, GDB_FILE *)); |
d747e0af | 314 | |
6f54efdc | 315 | extern char *n_spaces PARAMS ((int)); |
d747e0af | 316 | |
6f54efdc | 317 | extern void gdb_printchar PARAMS ((int, GDB_FILE *, int)); |
d747e0af | 318 | |
833e0d94 JK |
319 | extern void gdb_print_address PARAMS ((void *, GDB_FILE *)); |
320 | ||
6f54efdc SS |
321 | extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *, |
322 | enum language, int)); | |
d747e0af | 323 | |
6f54efdc | 324 | extern void perror_with_name PARAMS ((char *)); |
d747e0af | 325 | |
6f54efdc | 326 | extern void print_sys_errmsg PARAMS ((char *, int)); |
d747e0af | 327 | |
1bef45ea JK |
328 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as |
329 | "const char *" in unistd.h, so we can't declare the argument | |
330 | as "char *". */ | |
d747e0af | 331 | |
6f54efdc | 332 | extern char *re_comp PARAMS ((const char *)); |
d747e0af MT |
333 | |
334 | /* From symfile.c */ | |
335 | ||
6f54efdc | 336 | extern void symbol_file_command PARAMS ((char *, int)); |
d747e0af | 337 | |
eba08643 | 338 | /* From top.c */ |
d747e0af | 339 | |
6f54efdc | 340 | extern char *skip_quoted PARAMS ((char *)); |
d630b615 | 341 | |
6f54efdc | 342 | extern char *gdb_readline PARAMS ((char *)); |
d747e0af | 343 | |
6f54efdc | 344 | extern char *command_line_input PARAMS ((char *, int, char *)); |
d747e0af | 345 | |
6f54efdc | 346 | extern void print_prompt PARAMS ((void)); |
d747e0af | 347 | |
6f54efdc | 348 | extern int input_from_terminal_p PARAMS ((void)); |
d747e0af | 349 | |
eba08643 C |
350 | extern int info_verbose; |
351 | ||
bd5635a1 | 352 | /* From printcmd.c */ |
d747e0af | 353 | |
6f54efdc | 354 | extern void set_next_address PARAMS ((CORE_ADDR)); |
d747e0af | 355 | |
6f54efdc SS |
356 | extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int, |
357 | char *)); | |
d747e0af | 358 | |
6f54efdc | 359 | extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *)); |
833e0d94 | 360 | |
6f54efdc | 361 | extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *)); |
bd5635a1 | 362 | |
e1ce8aa5 | 363 | /* From source.c */ |
d747e0af | 364 | |
6f54efdc | 365 | extern int openp PARAMS ((char *, int, char *, int, int, char **)); |
d747e0af | 366 | |
6f54efdc | 367 | extern void mod_path PARAMS ((char *, char **)); |
d747e0af | 368 | |
6f54efdc | 369 | extern void directory_command PARAMS ((char *, int)); |
d747e0af | 370 | |
6f54efdc | 371 | extern void init_source_path PARAMS ((void)); |
d747e0af | 372 | |
637b1661 SG |
373 | extern char *symtab_to_filename PARAMS ((struct symtab *)); |
374 | ||
d747e0af MT |
375 | /* From findvar.c */ |
376 | ||
6f54efdc | 377 | extern int read_relative_register_raw_bytes PARAMS ((int, char *)); |
e1ce8aa5 | 378 | |
bd5635a1 | 379 | /* From readline (but not in any readline .h files). */ |
d747e0af | 380 | |
6f54efdc | 381 | extern char *tilde_expand PARAMS ((char *)); |
bd5635a1 | 382 | |
78751d4f PS |
383 | /* Control types for commands */ |
384 | ||
385 | enum misc_command_type | |
386 | { | |
387 | ok_command, | |
388 | end_command, | |
389 | else_command, | |
390 | nop_command | |
391 | }; | |
392 | ||
393 | enum command_control_type | |
394 | { | |
395 | simple_control, | |
396 | break_control, | |
397 | continue_control, | |
398 | while_control, | |
399 | if_control, | |
400 | invalid_control | |
401 | }; | |
402 | ||
bd5635a1 RP |
403 | /* Structure for saved commands lines |
404 | (for breakpoints, defined commands, etc). */ | |
405 | ||
406 | struct command_line | |
407 | { | |
408 | struct command_line *next; | |
409 | char *line; | |
78751d4f PS |
410 | enum command_control_type control_type; |
411 | int body_count; | |
412 | struct command_line **body_list; | |
bd5635a1 RP |
413 | }; |
414 | ||
6f54efdc | 415 | extern struct command_line *read_command_lines PARAMS ((void)); |
d747e0af | 416 | |
6f54efdc | 417 | extern void free_command_lines PARAMS ((struct command_line **)); |
bd5635a1 RP |
418 | |
419 | /* String containing the current directory (what getwd would return). */ | |
420 | ||
d747e0af | 421 | extern char *current_directory; |
bd5635a1 RP |
422 | |
423 | /* Default radixes for input and output. Only some values supported. */ | |
424 | extern unsigned input_radix; | |
425 | extern unsigned output_radix; | |
426 | ||
a8a69e63 FF |
427 | /* Possibilities for prettyprint parameters to routines which print |
428 | things. Like enum language, this should be in value.h, but needs | |
429 | to be here for the same reason. FIXME: If we can eliminate this | |
430 | as an arg to LA_VAL_PRINT, then we can probably move it back to | |
431 | value.h. */ | |
432 | ||
433 | enum val_prettyprint | |
434 | { | |
435 | Val_no_prettyprint = 0, | |
436 | Val_prettyprint, | |
437 | /* Use the default setting which the user has specified. */ | |
438 | Val_pretty_default | |
439 | }; | |
440 | ||
0a5d35ed SG |
441 | \f |
442 | /* Host machine definition. This will be a symlink to one of the | |
443 | xm-*.h files, built by the `configure' script. */ | |
444 | ||
445 | #include "xm.h" | |
446 | ||
e58de8a2 FF |
447 | /* Native machine support. This will be a symlink to one of the |
448 | nm-*.h files, built by the `configure' script. */ | |
449 | ||
450 | #include "nm.h" | |
451 | ||
c023fbf4 KH |
452 | /* Target machine definition. This will be a symlink to one of the |
453 | tm-*.h files, built by the `configure' script. */ | |
454 | ||
455 | #include "tm.h" | |
456 | ||
e146177e SEF |
457 | /* If the xm.h file did not define the mode string used to open the |
458 | files, assume that binary files are opened the same way as text | |
459 | files */ | |
460 | #ifndef FOPEN_RB | |
461 | #include "fopen-same.h" | |
462 | #endif | |
463 | ||
0a5d35ed SG |
464 | /* |
465 | * Allow things in gdb to be declared "const". If compiling ANSI, it | |
466 | * just works. If compiling with gcc but non-ansi, redefine to __const__. | |
467 | * If non-ansi, non-gcc, then eliminate "const" entirely, making those | |
468 | * objects be read-write rather than read-only. | |
469 | */ | |
470 | ||
471 | #ifndef const | |
472 | #ifndef __STDC__ | |
473 | # ifdef __GNUC__ | |
474 | # define const __const__ | |
475 | # else | |
476 | # define const /*nothing*/ | |
477 | # endif /* GNUC */ | |
478 | #endif /* STDC */ | |
479 | #endif /* const */ | |
480 | ||
481 | #ifndef volatile | |
482 | #ifndef __STDC__ | |
483 | # ifdef __GNUC__ | |
484 | # define volatile __volatile__ | |
485 | # else | |
486 | # define volatile /*nothing*/ | |
487 | # endif /* GNUC */ | |
488 | #endif /* STDC */ | |
489 | #endif /* volatile */ | |
490 | ||
491 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */ | |
492 | ||
bd5635a1 | 493 | #if !defined (UINT_MAX) |
38dc5e12 | 494 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ |
bd5635a1 RP |
495 | #endif |
496 | ||
e1ce8aa5 | 497 | #if !defined (INT_MAX) |
dd577ca5 | 498 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
e1ce8aa5 JK |
499 | #endif |
500 | ||
501 | #if !defined (INT_MIN) | |
38dc5e12 SG |
502 | #define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */ |
503 | #endif | |
504 | ||
505 | #if !defined (ULONG_MAX) | |
506 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ | |
507 | #endif | |
508 | ||
509 | #if !defined (LONG_MAX) | |
510 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ | |
e1ce8aa5 JK |
511 | #endif |
512 | ||
7343d716 JK |
513 | #ifdef BFD64 |
514 | ||
515 | /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */ | |
516 | ||
70126bf9 | 517 | #define LONGEST BFD_HOST_64_BIT |
7343d716 JK |
518 | |
519 | #else /* No BFD64 */ | |
520 | ||
fad466eb SS |
521 | /* If all compilers for this host support "long long" and we want to |
522 | use it for LONGEST (the performance hit is about 10% on a testsuite | |
523 | run based on one DECstation test), then the xm.h file can define | |
524 | CC_HAS_LONG_LONG. | |
525 | ||
526 | Using GCC 1.39 on BSDI with long long causes about 700 new | |
527 | testsuite failures. Using long long for LONGEST on the DECstation | |
528 | causes 3 new FAILs in the testsuite and many heuristic fencepost | |
529 | warnings. These are not investigated, but a first guess would be | |
530 | that the BSDI problems are GCC bugs in long long support and the | |
531 | latter are GDB bugs. */ | |
7efb57c3 FF |
532 | |
533 | #ifndef CC_HAS_LONG_LONG | |
fad466eb | 534 | # if defined (__GNUC__) && defined (FORCE_LONG_LONG) |
7efb57c3 FF |
535 | # define CC_HAS_LONG_LONG 1 |
536 | # endif | |
537 | #endif | |
fad466eb | 538 | |
7efb57c3 FF |
539 | /* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work. |
540 | CC_HAS_LONG_LONG is defined if the host compiler supports "long long" | |
541 | variables and we wish to make use of that support. */ | |
d747e0af MT |
542 | |
543 | #ifndef LONGEST | |
7efb57c3 FF |
544 | # ifdef CC_HAS_LONG_LONG |
545 | # define LONGEST long long | |
546 | # else | |
547 | # define LONGEST long | |
548 | # endif | |
549 | #endif | |
550 | ||
7343d716 JK |
551 | #endif /* No BFD64 */ |
552 | ||
7efb57c3 FF |
553 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of |
554 | arguments to a function, number in a value history, register number, etc.) | |
555 | where the value must not be larger than can fit in an int. */ | |
556 | ||
fb0f4231 | 557 | extern int longest_to_int PARAMS ((LONGEST)); |
d747e0af | 558 | |
0a5d35ed SG |
559 | /* Assorted functions we can declare, now that const and volatile are |
560 | defined. */ | |
d747e0af | 561 | |
6f54efdc | 562 | extern char *savestring PARAMS ((const char *, int)); |
d747e0af | 563 | |
6f54efdc | 564 | extern char *msavestring PARAMS ((void *, const char *, int)); |
318bf84f | 565 | |
6f54efdc | 566 | extern char *strsave PARAMS ((const char *)); |
d747e0af | 567 | |
6f54efdc | 568 | extern char *mstrsave PARAMS ((void *, const char *)); |
318bf84f | 569 | |
6f54efdc | 570 | extern PTR xmmalloc PARAMS ((PTR, long)); |
318bf84f | 571 | |
6f54efdc | 572 | extern PTR xmrealloc PARAMS ((PTR, PTR, long)); |
318bf84f | 573 | |
6f54efdc | 574 | extern int parse_escape PARAMS ((char **)); |
d747e0af | 575 | |
86db943c | 576 | extern char *reg_names[]; |
d747e0af | 577 | |
833e0d94 JK |
578 | /* Message to be printed before the error message, when an error occurs. */ |
579 | ||
580 | extern char *error_pre_print; | |
581 | ||
8989d4fc JK |
582 | /* Message to be printed before the error message, when an error occurs. */ |
583 | ||
584 | extern char *quit_pre_print; | |
585 | ||
833e0d94 JK |
586 | /* Message to be printed before the warning message, when a warning occurs. */ |
587 | ||
588 | extern char *warning_pre_print; | |
589 | ||
85c613aa | 590 | extern NORETURN void error PARAMS((char *, ...)) ATTR_NORETURN; |
a0cf4681 JK |
591 | |
592 | extern void error_begin PARAMS ((void)); | |
d747e0af | 593 | |
85c613aa | 594 | extern NORETURN void fatal PARAMS((char *, ...)) ATTR_NORETURN; |
d747e0af | 595 | |
6f54efdc | 596 | extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN; |
318bf84f | 597 | |
2fcdae93 PS |
598 | /* Reasons for calling return_to_top_level. */ |
599 | enum return_reason { | |
600 | /* User interrupt. */ | |
601 | RETURN_QUIT, | |
602 | ||
603 | /* Any other error. */ | |
604 | RETURN_ERROR | |
605 | }; | |
606 | ||
607 | #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT) | |
608 | #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR) | |
609 | #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR) | |
610 | typedef int return_mask; | |
611 | ||
6f54efdc SS |
612 | extern NORETURN void |
613 | return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN; | |
2fcdae93 | 614 | |
6f54efdc SS |
615 | extern int |
616 | catch_errors PARAMS ((int (*) (char *), void *, char *, return_mask)); | |
d747e0af | 617 | |
8989d4fc | 618 | extern void warning_begin PARAMS ((void)); |
d747e0af | 619 | |
413cba82 JL |
620 | extern void warning PARAMS ((char *, ...)) |
621 | ATTR_FORMAT(printf, 1, 2); | |
d747e0af | 622 | |
97e7b66f DE |
623 | /* Global functions from other, non-gdb GNU thingies. |
624 | Libiberty thingies are no longer declared here. We include libiberty.h | |
625 | above, instead. */ | |
d747e0af | 626 | |
6b009ef6 | 627 | #ifndef GETENV_PROVIDED |
6f54efdc | 628 | extern char *getenv PARAMS ((const char *)); |
6b009ef6 | 629 | #endif |
d747e0af | 630 | |
e146177e SEF |
631 | /* From other system libraries */ |
632 | ||
0a5d35ed | 633 | #ifdef __STDC__ |
d747e0af | 634 | #include <stddef.h> |
e3be225e | 635 | #include <stdlib.h> |
0a5d35ed | 636 | #endif |
d747e0af | 637 | |
6b009ef6 SC |
638 | |
639 | /* We take the address of fclose later, but some stdio's forget | |
640 | to declare this. We can't always declare it since there's | |
641 | no way to declare the parameters without upsetting some compiler | |
642 | somewhere. */ | |
643 | ||
644 | #ifndef FCLOSE_PROVIDED | |
e3be225e | 645 | extern int fclose (); |
6b009ef6 | 646 | #endif |
e146177e | 647 | |
8989d4fc | 648 | #ifndef atof |
e3be225e | 649 | extern double atof (); |
8989d4fc | 650 | #endif |
51b57ded | 651 | |
d747e0af | 652 | #ifndef MALLOC_INCOMPATIBLE |
318bf84f | 653 | |
e3be225e | 654 | extern PTR malloc (); |
d747e0af | 655 | |
e3be225e | 656 | extern PTR realloc (); |
318bf84f | 657 | |
e3be225e | 658 | extern void free (); |
d747e0af | 659 | |
e3be225e | 660 | #endif /* MALLOC_INCOMPATIBLE */ |
d747e0af | 661 | |
81afee37 | 662 | #ifndef __WIN32__ |
031c4a7e FF |
663 | |
664 | #ifndef strchr | |
e3be225e | 665 | extern char *strchr (); |
031c4a7e | 666 | #endif |
51b57ded | 667 | |
031c4a7e | 668 | #ifndef strrchr |
e3be225e | 669 | extern char *strrchr (); |
031c4a7e | 670 | #endif |
d747e0af | 671 | |
031c4a7e | 672 | #ifndef strstr |
e3be225e | 673 | extern char *strstr (); |
031c4a7e | 674 | #endif |
e146177e | 675 | |
031c4a7e | 676 | #ifndef strtok |
e3be225e | 677 | extern char *strtok (); |
031c4a7e | 678 | #endif |
51b57ded | 679 | |
031c4a7e | 680 | #ifndef strerror |
e3be225e | 681 | extern char *strerror (); |
45993f61 | 682 | #endif |
e2aab031 | 683 | |
81afee37 | 684 | #endif /* !__WIN32__ */ |
031c4a7e | 685 | |
0a5d35ed SG |
686 | /* Various possibilities for alloca. */ |
687 | #ifndef alloca | |
688 | # ifdef __GNUC__ | |
689 | # define alloca __builtin_alloca | |
7343d716 | 690 | # else /* Not GNU C */ |
0a5d35ed | 691 | # ifdef sparc |
22fd4704 | 692 | # include <alloca.h> /* NOTE: Doesn't declare alloca() */ |
e676a15f | 693 | # endif |
7343d716 JK |
694 | |
695 | /* We need to be careful not to declare this in a way which conflicts with | |
696 | bison. Bison never declares it as char *, but under various circumstances | |
697 | (like __hpux) we need to use void *. */ | |
698 | # if defined (__STDC__) || defined (__hpux) | |
699 | extern void *alloca (); | |
700 | # else /* Don't use void *. */ | |
0f552c5f | 701 | extern char *alloca (); |
7343d716 JK |
702 | # endif /* Don't use void *. */ |
703 | # endif /* Not GNU C */ | |
704 | #endif /* alloca not defined */ | |
e2aab031 | 705 | |
479f0f18 | 706 | /* HOST_BYTE_ORDER must be defined to one of these. */ |
a10c0d36 | 707 | |
0a5d35ed SG |
708 | #if !defined (BIG_ENDIAN) |
709 | #define BIG_ENDIAN 4321 | |
710 | #endif | |
a10c0d36 | 711 | |
0a5d35ed SG |
712 | #if !defined (LITTLE_ENDIAN) |
713 | #define LITTLE_ENDIAN 1234 | |
714 | #endif | |
a10c0d36 | 715 | |
2fcdae93 | 716 | /* Target-system-dependent parameters for GDB. */ |
7d9884b9 | 717 | |
479f0f18 SG |
718 | #ifdef TARGET_BYTE_ORDER_SELECTABLE |
719 | /* The target endianness is selectable at runtime. Define | |
720 | TARGET_BYTE_ORDER to be a variable. The user can use the `set | |
721 | endian' command to change it. */ | |
722 | #undef TARGET_BYTE_ORDER | |
723 | #define TARGET_BYTE_ORDER target_byte_order | |
724 | extern int target_byte_order; | |
725 | #endif | |
726 | ||
727 | extern void set_endian_from_file PARAMS ((bfd *)); | |
728 | ||
04f566a3 JK |
729 | /* Number of bits in a char or unsigned char for the target machine. |
730 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ | |
731 | #if !defined (TARGET_CHAR_BIT) | |
732 | #define TARGET_CHAR_BIT 8 | |
733 | #endif | |
734 | ||
735 | /* Number of bits in a short or unsigned short for the target machine. */ | |
736 | #if !defined (TARGET_SHORT_BIT) | |
737 | #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT) | |
738 | #endif | |
739 | ||
740 | /* Number of bits in an int or unsigned int for the target machine. */ | |
741 | #if !defined (TARGET_INT_BIT) | |
742 | #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT) | |
743 | #endif | |
744 | ||
745 | /* Number of bits in a long or unsigned long for the target machine. */ | |
746 | #if !defined (TARGET_LONG_BIT) | |
747 | #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT) | |
748 | #endif | |
749 | ||
750 | /* Number of bits in a long long or unsigned long long for the target machine. */ | |
751 | #if !defined (TARGET_LONG_LONG_BIT) | |
752 | #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT) | |
753 | #endif | |
754 | ||
755 | /* Number of bits in a float for the target machine. */ | |
756 | #if !defined (TARGET_FLOAT_BIT) | |
757 | #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT) | |
758 | #endif | |
759 | ||
760 | /* Number of bits in a double for the target machine. */ | |
761 | #if !defined (TARGET_DOUBLE_BIT) | |
762 | #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT) | |
763 | #endif | |
764 | ||
765 | /* Number of bits in a long double for the target machine. */ | |
766 | #if !defined (TARGET_LONG_DOUBLE_BIT) | |
767 | #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT) | |
768 | #endif | |
769 | ||
04f566a3 JK |
770 | /* Number of bits in a pointer for the target machine */ |
771 | #if !defined (TARGET_PTR_BIT) | |
772 | #define TARGET_PTR_BIT TARGET_INT_BIT | |
773 | #endif | |
774 | ||
775 | /* If we picked up a copy of CHAR_BIT from a configuration file | |
776 | (which may get it by including <limits.h>) then use it to set | |
777 | the number of bits in a host char. If not, use the same size | |
778 | as the target. */ | |
779 | ||
780 | #if defined (CHAR_BIT) | |
781 | #define HOST_CHAR_BIT CHAR_BIT | |
782 | #else | |
783 | #define HOST_CHAR_BIT TARGET_CHAR_BIT | |
784 | #endif | |
785 | ||
7d9884b9 JG |
786 | /* The bit byte-order has to do just with numbering of bits in |
787 | debugging symbols and such. Conceptually, it's quite separate | |
788 | from byte/word byte order. */ | |
789 | ||
790 | #if !defined (BITS_BIG_ENDIAN) | |
479f0f18 SG |
791 | #ifndef TARGET_BYTE_ORDER_SELECTABLE |
792 | ||
7d9884b9 JG |
793 | #if TARGET_BYTE_ORDER == BIG_ENDIAN |
794 | #define BITS_BIG_ENDIAN 1 | |
795 | #endif /* Big endian. */ | |
796 | ||
797 | #if TARGET_BYTE_ORDER == LITTLE_ENDIAN | |
798 | #define BITS_BIG_ENDIAN 0 | |
799 | #endif /* Little endian. */ | |
479f0f18 SG |
800 | |
801 | #else /* defined (TARGET_BYTE_ORDER_SELECTABLE) */ | |
802 | ||
803 | #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN) | |
804 | ||
805 | #endif /* defined (TARGET_BYTE_ORDER_SELECTABLE) */ | |
7d9884b9 JG |
806 | #endif /* BITS_BIG_ENDIAN not defined. */ |
807 | ||
e3c16900 | 808 | /* In findvar.c. */ |
e3c16900 | 809 | |
6f54efdc SS |
810 | extern LONGEST extract_signed_integer PARAMS ((void *, int)); |
811 | ||
812 | extern unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int)); | |
813 | ||
814 | extern CORE_ADDR extract_address PARAMS ((void *, int)); | |
815 | ||
816 | extern void store_signed_integer PARAMS ((void *, int, LONGEST)); | |
817 | ||
818 | extern void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST)); | |
819 | ||
820 | extern void store_address PARAMS ((void *, int, CORE_ADDR)); | |
821 | ||
822 | extern double extract_floating PARAMS ((void *, int)); | |
04f566a3 | 823 | |
6f54efdc | 824 | extern void store_floating PARAMS ((void *, int, double)); |
e3c16900 | 825 | \f |
7d9884b9 JG |
826 | /* On some machines there are bits in addresses which are not really |
827 | part of the address, but are used by the kernel, the hardware, etc. | |
828 | for special purposes. ADDR_BITS_REMOVE takes out any such bits | |
829 | so we get a "real" address such as one would find in a symbol | |
04f566a3 | 830 | table. This is used only for addresses of instructions, and even then |
e3c16900 JK |
831 | I'm not sure it's used in all contexts. It exists to deal with there |
832 | being a few stray bits in the PC which would mislead us, not as some sort | |
04f566a3 JK |
833 | of generic thing to handle alignment or segmentation (it's possible it |
834 | should be in TARGET_READ_PC instead). */ | |
7d9884b9 JG |
835 | #if !defined (ADDR_BITS_REMOVE) |
836 | #define ADDR_BITS_REMOVE(addr) (addr) | |
7d9884b9 JG |
837 | #endif /* No ADDR_BITS_REMOVE. */ |
838 | ||
d747e0af MT |
839 | /* From valops.c */ |
840 | ||
6f54efdc | 841 | extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int)); |
d747e0af | 842 | |
6f54efdc | 843 | extern CORE_ADDR push_word PARAMS ((CORE_ADDR, unsigned LONGEST)); |
d747e0af | 844 | |
0239d9b3 FF |
845 | /* Some parts of gdb might be considered optional, in the sense that they |
846 | are not essential for being able to build a working, usable debugger | |
847 | for a specific environment. For example, the maintenance commands | |
848 | are there for the benefit of gdb maintainers. As another example, | |
849 | some environments really don't need gdb's that are able to read N | |
850 | different object file formats. In order to make it possible (but | |
851 | not necessarily recommended) to build "stripped down" versions of | |
852 | gdb, the following defines control selective compilation of those | |
853 | parts of gdb which can be safely left out when necessary. Note that | |
854 | the default is to include everything. */ | |
855 | ||
856 | #ifndef MAINTENANCE_CMDS | |
857 | #define MAINTENANCE_CMDS 1 | |
858 | #endif | |
859 | ||
45993f61 SC |
860 | #ifdef MAINTENANCE_CMDS |
861 | extern int watchdog; | |
862 | #endif | |
863 | ||
09722039 SG |
864 | #include "dis-asm.h" /* Get defs for disassemble_info */ |
865 | ||
18b46e7c SS |
866 | extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr, |
867 | int len, disassemble_info *info)); | |
868 | ||
869 | extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr, | |
870 | disassemble_info *info)); | |
871 | ||
872 | extern void dis_asm_print_address PARAMS ((bfd_vma addr, | |
873 | disassemble_info *info)); | |
874 | ||
875 | extern int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info*)); | |
876 | ||
877 | /* Hooks for alternate command interfaces. */ | |
878 | ||
09722039 SG |
879 | #ifdef __STDC__ |
880 | struct target_waitstatus; | |
881 | struct cmd_list_element; | |
882 | #endif | |
883 | ||
8164ec2e SG |
884 | extern void (*init_ui_hook) PARAMS ((void)); |
885 | extern void (*command_loop_hook) PARAMS ((void)); | |
18b46e7c SS |
886 | extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer, |
887 | FILE *stream)); | |
888 | extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s, | |
889 | int line, int stopline, | |
890 | int noerror)); | |
e3be225e | 891 | extern int (*query_hook) PARAMS (()); |
8164ec2e SG |
892 | extern void (*flush_hook) PARAMS ((FILE *stream)); |
893 | extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b)); | |
894 | extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); | |
326ae3e2 | 895 | extern void (*modify_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); |
b6d70e15 | 896 | extern void (*target_output_hook) PARAMS ((char *)); |
637b1661 | 897 | extern void (*interactive_hook) PARAMS ((void)); |
16041d53 | 898 | extern void (*registers_changed_hook) PARAMS ((void)); |
479f0f18 SG |
899 | |
900 | extern int (*target_wait_hook) PARAMS ((int pid, | |
901 | struct target_waitstatus *status)); | |
902 | ||
903 | extern void (*call_command_hook) PARAMS ((struct cmd_list_element *c, | |
904 | char *cmd, int from_tty)); | |
905 | ||
b6d70e15 | 906 | extern NORETURN void (*error_hook) PARAMS (()) ATTR_NORETURN; |
45993f61 SC |
907 | |
908 | ||
909 | ||
754e5da2 SG |
910 | /* Inhibit window interface if non-zero. */ |
911 | ||
c5197511 | 912 | extern int use_windows; |
754e5da2 | 913 | |
45993f61 SC |
914 | /* Symbolic definitions of filename-related things. */ |
915 | /* FIXME, this doesn't work very well if host and executable | |
916 | filesystems conventions are different. */ | |
917 | ||
918 | #ifndef DIRNAME_SEPARATOR | |
919 | #define DIRNAME_SEPARATOR ':' | |
920 | #endif | |
921 | ||
922 | #ifndef SLASH_P | |
81afee37 | 923 | #if defined(__GO32__)||defined(__WIN32__) |
b6d70e15 SC |
924 | #define SLASH_P(X) ((X)=='\\') |
925 | #else | |
45993f61 SC |
926 | #define SLASH_P(X) ((X)=='/') |
927 | #endif | |
b6d70e15 | 928 | #endif |
45993f61 SC |
929 | |
930 | #ifndef SLASH_CHAR | |
81afee37 | 931 | #if defined(__GO32__)||defined(__WIN32__) |
b6d70e15 SC |
932 | #define SLASH_CHAR '\\' |
933 | #else | |
45993f61 SC |
934 | #define SLASH_CHAR '/' |
935 | #endif | |
b6d70e15 | 936 | #endif |
45993f61 SC |
937 | |
938 | #ifndef SLASH_STRING | |
81afee37 | 939 | #if defined(__GO32__)||defined(__WIN32__) |
b6d70e15 SC |
940 | #define SLASH_STRING "\\" |
941 | #else | |
45993f61 SC |
942 | #define SLASH_STRING "/" |
943 | #endif | |
b6d70e15 | 944 | #endif |
45993f61 SC |
945 | |
946 | #ifndef ROOTED_P | |
947 | #define ROOTED_P(X) (SLASH_P((X)[0])) | |
948 | #endif | |
949 | ||
09722039 | 950 | #endif /* #ifndef DEFS_H */ |