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 | ||
637b1661 SG |
130 | /* Needed for various prototypes */ |
131 | ||
132 | #ifdef __STDC__ | |
133 | struct symtab; | |
134 | struct breakpoint; | |
135 | #endif | |
136 | ||
d747e0af MT |
137 | /* From blockframe.c */ |
138 | ||
6f54efdc | 139 | extern int inside_entry_func PARAMS ((CORE_ADDR)); |
d747e0af | 140 | |
6f54efdc | 141 | extern int inside_entry_file PARAMS ((CORE_ADDR addr)); |
d747e0af | 142 | |
6f54efdc | 143 | extern int inside_main_func PARAMS ((CORE_ADDR pc)); |
d747e0af | 144 | |
7532cf10 FF |
145 | /* From ch-lang.c, for the moment. (FIXME) */ |
146 | ||
6f54efdc | 147 | extern char *chill_demangle PARAMS ((const char *)); |
7532cf10 | 148 | |
d747e0af MT |
149 | /* From utils.c */ |
150 | ||
6f54efdc | 151 | extern int strcmp_iw PARAMS ((const char *, const char *)); |
d630b615 | 152 | |
6f54efdc | 153 | extern char *safe_strerror PARAMS ((int)); |
e146177e | 154 | |
6f54efdc | 155 | extern char *safe_strsignal PARAMS ((int)); |
e146177e | 156 | |
6f54efdc | 157 | extern void init_malloc PARAMS ((void *)); |
d747e0af | 158 | |
6f54efdc | 159 | extern void request_quit PARAMS ((int)); |
d747e0af | 160 | |
6f54efdc | 161 | extern void do_cleanups PARAMS ((struct cleanup *)); |
d747e0af | 162 | |
6f54efdc | 163 | extern void discard_cleanups PARAMS ((struct cleanup *)); |
d747e0af MT |
164 | |
165 | /* The bare make_cleanup function is one of those rare beasts that | |
166 | takes almost any type of function as the first arg and anything that | |
167 | will fit in a "void *" as the second arg. | |
168 | ||
169 | Should be, once all calls and called-functions are cleaned up: | |
170 | extern struct cleanup * | |
84d59861 | 171 | make_cleanup PARAMS ((void (*function) (void *), void *)); |
d747e0af MT |
172 | |
173 | Until then, lint and/or various type-checking compiler options will | |
174 | complain about make_cleanup calls. It'd be wrong to just cast things, | |
175 | since the type actually passed when the function is called would be | |
176 | wrong. */ | |
177 | ||
6f54efdc | 178 | extern struct cleanup *make_cleanup (); |
d747e0af | 179 | |
6f54efdc | 180 | extern struct cleanup *save_cleanups PARAMS ((void)); |
d747e0af | 181 | |
6f54efdc | 182 | extern void restore_cleanups PARAMS ((struct cleanup *)); |
d747e0af | 183 | |
6f54efdc | 184 | extern void free_current_contents PARAMS ((char **)); |
d747e0af | 185 | |
6f54efdc | 186 | extern void null_cleanup PARAMS ((char **)); |
d747e0af | 187 | |
6f54efdc | 188 | extern int myread PARAMS ((int, char *, int)); |
d747e0af | 189 | |
6f54efdc | 190 | extern int query (); |
6c803036 | 191 | \f |
96f7edbd JK |
192 | /* Annotation stuff. */ |
193 | ||
6c803036 JK |
194 | extern int annotation_level; /* in stack.c */ |
195 | \f | |
6f54efdc | 196 | extern void begin_line PARAMS ((void)); |
51b80b00 | 197 | |
6f54efdc | 198 | extern void wrap_here PARAMS ((char *)); |
d747e0af | 199 | |
6f54efdc | 200 | extern void reinitialize_more_filter PARAMS ((void)); |
d747e0af | 201 | |
04f566a3 JK |
202 | typedef FILE GDB_FILE; |
203 | #define gdb_stdout stdout | |
204 | #define gdb_stderr stderr | |
205 | ||
6f54efdc | 206 | extern int print_insn PARAMS ((CORE_ADDR, GDB_FILE *)); |
04f566a3 | 207 | |
6f54efdc | 208 | extern void gdb_flush PARAMS ((GDB_FILE *)); |
04f566a3 | 209 | |
6f54efdc | 210 | extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode)); |
04f566a3 | 211 | |
6f54efdc | 212 | extern void fputs_filtered PARAMS ((const char *, GDB_FILE *)); |
04f566a3 | 213 | |
6f54efdc | 214 | extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *)); |
d747e0af | 215 | |
6f54efdc | 216 | extern void fputc_unfiltered PARAMS ((int, GDB_FILE *)); |
04f566a3 | 217 | |
6f54efdc | 218 | extern void putc_unfiltered PARAMS ((int)); |
04f566a3 JK |
219 | |
220 | #define putchar_unfiltered(C) putc_unfiltered(C) | |
d747e0af | 221 | |
6f54efdc | 222 | extern void puts_filtered PARAMS ((char *)); |
d747e0af | 223 | |
6f54efdc | 224 | extern void puts_unfiltered PARAMS ((char *)); |
04f566a3 | 225 | |
6f54efdc | 226 | extern void vprintf_filtered (); |
51b80b00 | 227 | |
6f54efdc | 228 | extern void vfprintf_filtered (); |
a8e033f2 | 229 | |
6f54efdc | 230 | extern void fprintf_filtered (); |
d747e0af | 231 | |
6f54efdc | 232 | extern void fprintfi_filtered (); |
a8e033f2 | 233 | |
6f54efdc | 234 | extern void printf_filtered (); |
d747e0af | 235 | |
6f54efdc | 236 | extern void printfi_filtered (); |
a8e033f2 | 237 | |
6f54efdc | 238 | extern void vprintf_unfiltered (); |
04f566a3 | 239 | |
6f54efdc | 240 | extern void vfprintf_unfiltered (); |
04f566a3 | 241 | |
6f54efdc | 242 | extern void fprintf_unfiltered (); |
d747e0af | 243 | |
6f54efdc | 244 | extern void printf_unfiltered (); |
04f566a3 | 245 | |
6f54efdc | 246 | extern void print_spaces PARAMS ((int, GDB_FILE *)); |
04f566a3 | 247 | |
6f54efdc | 248 | extern void print_spaces_filtered PARAMS ((int, GDB_FILE *)); |
d747e0af | 249 | |
6f54efdc | 250 | extern char *n_spaces PARAMS ((int)); |
d747e0af | 251 | |
6f54efdc | 252 | extern void gdb_printchar PARAMS ((int, GDB_FILE *, int)); |
d747e0af | 253 | |
833e0d94 JK |
254 | extern void gdb_print_address PARAMS ((void *, GDB_FILE *)); |
255 | ||
6f54efdc SS |
256 | extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *, |
257 | enum language, int)); | |
d747e0af | 258 | |
6f54efdc | 259 | extern void perror_with_name PARAMS ((char *)); |
d747e0af | 260 | |
6f54efdc | 261 | extern void print_sys_errmsg PARAMS ((char *, int)); |
d747e0af | 262 | |
1bef45ea JK |
263 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as |
264 | "const char *" in unistd.h, so we can't declare the argument | |
265 | as "char *". */ | |
d747e0af | 266 | |
6f54efdc | 267 | extern char *re_comp PARAMS ((const char *)); |
d747e0af MT |
268 | |
269 | /* From symfile.c */ | |
270 | ||
6f54efdc | 271 | extern void symbol_file_command PARAMS ((char *, int)); |
d747e0af MT |
272 | |
273 | /* From main.c */ | |
274 | ||
6f54efdc | 275 | extern char *skip_quoted PARAMS ((char *)); |
d630b615 | 276 | |
6f54efdc | 277 | extern char *gdb_readline PARAMS ((char *)); |
d747e0af | 278 | |
6f54efdc | 279 | extern char *command_line_input PARAMS ((char *, int, char *)); |
d747e0af | 280 | |
6f54efdc | 281 | extern void print_prompt PARAMS ((void)); |
d747e0af | 282 | |
6f54efdc | 283 | extern int input_from_terminal_p PARAMS ((void)); |
d747e0af | 284 | |
bd5635a1 | 285 | /* From printcmd.c */ |
d747e0af | 286 | |
6f54efdc | 287 | extern void set_next_address PARAMS ((CORE_ADDR)); |
d747e0af | 288 | |
6f54efdc SS |
289 | extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int, |
290 | char *)); | |
d747e0af | 291 | |
6f54efdc | 292 | extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *)); |
833e0d94 | 293 | |
6f54efdc | 294 | extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *)); |
bd5635a1 | 295 | |
e1ce8aa5 | 296 | /* From source.c */ |
d747e0af | 297 | |
6f54efdc | 298 | extern int openp PARAMS ((char *, int, char *, int, int, char **)); |
d747e0af | 299 | |
6f54efdc | 300 | extern void mod_path PARAMS ((char *, char **)); |
d747e0af | 301 | |
6f54efdc | 302 | extern void directory_command PARAMS ((char *, int)); |
d747e0af | 303 | |
6f54efdc | 304 | extern void init_source_path PARAMS ((void)); |
d747e0af | 305 | |
637b1661 SG |
306 | extern char *symtab_to_filename PARAMS ((struct symtab *)); |
307 | ||
d747e0af MT |
308 | /* From findvar.c */ |
309 | ||
6f54efdc | 310 | extern int read_relative_register_raw_bytes PARAMS ((int, char *)); |
e1ce8aa5 | 311 | |
bd5635a1 | 312 | /* From readline (but not in any readline .h files). */ |
d747e0af | 313 | |
6f54efdc | 314 | extern char *tilde_expand PARAMS ((char *)); |
bd5635a1 | 315 | |
78751d4f PS |
316 | /* Control types for commands */ |
317 | ||
318 | enum misc_command_type | |
319 | { | |
320 | ok_command, | |
321 | end_command, | |
322 | else_command, | |
323 | nop_command | |
324 | }; | |
325 | ||
326 | enum command_control_type | |
327 | { | |
328 | simple_control, | |
329 | break_control, | |
330 | continue_control, | |
331 | while_control, | |
332 | if_control, | |
333 | invalid_control | |
334 | }; | |
335 | ||
bd5635a1 RP |
336 | /* Structure for saved commands lines |
337 | (for breakpoints, defined commands, etc). */ | |
338 | ||
339 | struct command_line | |
340 | { | |
341 | struct command_line *next; | |
342 | char *line; | |
78751d4f PS |
343 | enum command_control_type control_type; |
344 | int body_count; | |
345 | struct command_line **body_list; | |
bd5635a1 RP |
346 | }; |
347 | ||
6f54efdc | 348 | extern struct command_line *read_command_lines PARAMS ((void)); |
d747e0af | 349 | |
6f54efdc | 350 | extern void free_command_lines PARAMS ((struct command_line **)); |
bd5635a1 RP |
351 | |
352 | /* String containing the current directory (what getwd would return). */ | |
353 | ||
d747e0af | 354 | extern char *current_directory; |
bd5635a1 RP |
355 | |
356 | /* Default radixes for input and output. Only some values supported. */ | |
357 | extern unsigned input_radix; | |
358 | extern unsigned output_radix; | |
359 | ||
a8a69e63 FF |
360 | /* Possibilities for prettyprint parameters to routines which print |
361 | things. Like enum language, this should be in value.h, but needs | |
362 | to be here for the same reason. FIXME: If we can eliminate this | |
363 | as an arg to LA_VAL_PRINT, then we can probably move it back to | |
364 | value.h. */ | |
365 | ||
366 | enum val_prettyprint | |
367 | { | |
368 | Val_no_prettyprint = 0, | |
369 | Val_prettyprint, | |
370 | /* Use the default setting which the user has specified. */ | |
371 | Val_pretty_default | |
372 | }; | |
373 | ||
0a5d35ed SG |
374 | \f |
375 | /* Host machine definition. This will be a symlink to one of the | |
376 | xm-*.h files, built by the `configure' script. */ | |
377 | ||
378 | #include "xm.h" | |
379 | ||
e58de8a2 FF |
380 | /* Native machine support. This will be a symlink to one of the |
381 | nm-*.h files, built by the `configure' script. */ | |
382 | ||
383 | #include "nm.h" | |
384 | ||
c023fbf4 KH |
385 | /* Target machine definition. This will be a symlink to one of the |
386 | tm-*.h files, built by the `configure' script. */ | |
387 | ||
388 | #include "tm.h" | |
389 | ||
e146177e SEF |
390 | /* If the xm.h file did not define the mode string used to open the |
391 | files, assume that binary files are opened the same way as text | |
392 | files */ | |
393 | #ifndef FOPEN_RB | |
394 | #include "fopen-same.h" | |
395 | #endif | |
396 | ||
0a5d35ed SG |
397 | /* |
398 | * Allow things in gdb to be declared "const". If compiling ANSI, it | |
399 | * just works. If compiling with gcc but non-ansi, redefine to __const__. | |
400 | * If non-ansi, non-gcc, then eliminate "const" entirely, making those | |
401 | * objects be read-write rather than read-only. | |
402 | */ | |
403 | ||
404 | #ifndef const | |
405 | #ifndef __STDC__ | |
406 | # ifdef __GNUC__ | |
407 | # define const __const__ | |
408 | # else | |
409 | # define const /*nothing*/ | |
410 | # endif /* GNUC */ | |
411 | #endif /* STDC */ | |
412 | #endif /* const */ | |
413 | ||
414 | #ifndef volatile | |
415 | #ifndef __STDC__ | |
416 | # ifdef __GNUC__ | |
417 | # define volatile __volatile__ | |
418 | # else | |
419 | # define volatile /*nothing*/ | |
420 | # endif /* GNUC */ | |
421 | #endif /* STDC */ | |
422 | #endif /* volatile */ | |
423 | ||
6f54efdc SS |
424 | /* The ability to declare that a function never returns is useful, but |
425 | not really required to compile GDB successfully, so the NORETURN and | |
426 | ATTR_NORETURN macros normally expand into nothing. */ | |
427 | ||
428 | /* If compiling with older versions of GCC, a function may be declared | |
429 | "volatile" to indicate that it does not return. */ | |
d747e0af MT |
430 | |
431 | #ifndef NORETURN | |
6f54efdc SS |
432 | # if defined(__GNUC__) \ |
433 | && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)) | |
434 | # define NORETURN volatile | |
e676a15f | 435 | # else |
6f54efdc SS |
436 | # define NORETURN /* nothing */ |
437 | # endif | |
438 | #endif | |
439 | ||
440 | /* GCC 2.5 and later versions define a function attribute "noreturn", | |
441 | which is the preferred way to declare that a function never returns. */ | |
442 | ||
443 | #ifndef ATTR_NORETURN | |
444 | # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 5 | |
445 | # define ATTR_NORETURN __attribute__ ((noreturn)) | |
446 | # else | |
447 | # define ATTR_NORETURN /* nothing */ | |
e676a15f | 448 | # endif |
d747e0af MT |
449 | #endif |
450 | ||
0a5d35ed SG |
451 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */ |
452 | ||
bd5635a1 | 453 | #if !defined (UINT_MAX) |
38dc5e12 | 454 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ |
bd5635a1 RP |
455 | #endif |
456 | ||
e1ce8aa5 | 457 | #if !defined (INT_MAX) |
dd577ca5 | 458 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
e1ce8aa5 JK |
459 | #endif |
460 | ||
461 | #if !defined (INT_MIN) | |
38dc5e12 SG |
462 | #define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */ |
463 | #endif | |
464 | ||
465 | #if !defined (ULONG_MAX) | |
466 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ | |
467 | #endif | |
468 | ||
469 | #if !defined (LONG_MAX) | |
470 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ | |
e1ce8aa5 JK |
471 | #endif |
472 | ||
7343d716 JK |
473 | #ifdef BFD64 |
474 | ||
475 | /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */ | |
476 | ||
70126bf9 | 477 | #define LONGEST BFD_HOST_64_BIT |
7343d716 JK |
478 | |
479 | #else /* No BFD64 */ | |
480 | ||
fad466eb SS |
481 | /* If all compilers for this host support "long long" and we want to |
482 | use it for LONGEST (the performance hit is about 10% on a testsuite | |
483 | run based on one DECstation test), then the xm.h file can define | |
484 | CC_HAS_LONG_LONG. | |
485 | ||
486 | Using GCC 1.39 on BSDI with long long causes about 700 new | |
487 | testsuite failures. Using long long for LONGEST on the DECstation | |
488 | causes 3 new FAILs in the testsuite and many heuristic fencepost | |
489 | warnings. These are not investigated, but a first guess would be | |
490 | that the BSDI problems are GCC bugs in long long support and the | |
491 | latter are GDB bugs. */ | |
7efb57c3 FF |
492 | |
493 | #ifndef CC_HAS_LONG_LONG | |
fad466eb | 494 | # if defined (__GNUC__) && defined (FORCE_LONG_LONG) |
7efb57c3 FF |
495 | # define CC_HAS_LONG_LONG 1 |
496 | # endif | |
497 | #endif | |
fad466eb | 498 | |
7efb57c3 FF |
499 | /* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work. |
500 | CC_HAS_LONG_LONG is defined if the host compiler supports "long long" | |
501 | variables and we wish to make use of that support. */ | |
d747e0af MT |
502 | |
503 | #ifndef LONGEST | |
7efb57c3 FF |
504 | # ifdef CC_HAS_LONG_LONG |
505 | # define LONGEST long long | |
506 | # else | |
507 | # define LONGEST long | |
508 | # endif | |
509 | #endif | |
510 | ||
7343d716 JK |
511 | #endif /* No BFD64 */ |
512 | ||
7efb57c3 FF |
513 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of |
514 | arguments to a function, number in a value history, register number, etc.) | |
515 | where the value must not be larger than can fit in an int. */ | |
516 | ||
fb0f4231 | 517 | extern int longest_to_int PARAMS ((LONGEST)); |
d747e0af | 518 | |
0a5d35ed SG |
519 | /* Assorted functions we can declare, now that const and volatile are |
520 | defined. */ | |
d747e0af | 521 | |
6f54efdc | 522 | extern char *savestring PARAMS ((const char *, int)); |
d747e0af | 523 | |
6f54efdc | 524 | extern char *msavestring PARAMS ((void *, const char *, int)); |
318bf84f | 525 | |
6f54efdc | 526 | extern char *strsave PARAMS ((const char *)); |
d747e0af | 527 | |
6f54efdc | 528 | extern char *mstrsave PARAMS ((void *, const char *)); |
318bf84f | 529 | |
6f54efdc | 530 | extern PTR xmalloc PARAMS ((long)); |
d747e0af | 531 | |
6f54efdc | 532 | extern PTR xrealloc PARAMS ((PTR, long)); |
318bf84f | 533 | |
6f54efdc | 534 | extern PTR xmmalloc PARAMS ((PTR, long)); |
318bf84f | 535 | |
6f54efdc | 536 | extern PTR xmrealloc PARAMS ((PTR, PTR, long)); |
318bf84f | 537 | |
6f54efdc | 538 | extern int parse_escape PARAMS ((char **)); |
d747e0af | 539 | |
86db943c | 540 | extern char *reg_names[]; |
d747e0af | 541 | |
833e0d94 JK |
542 | /* Message to be printed before the error message, when an error occurs. */ |
543 | ||
544 | extern char *error_pre_print; | |
545 | ||
546 | /* Message to be printed before the warning message, when a warning occurs. */ | |
547 | ||
548 | extern char *warning_pre_print; | |
549 | ||
6f54efdc | 550 | extern NORETURN void error () ATTR_NORETURN; |
a0cf4681 JK |
551 | |
552 | extern void error_begin PARAMS ((void)); | |
d747e0af | 553 | |
6f54efdc | 554 | extern NORETURN void fatal () ATTR_NORETURN; |
d747e0af | 555 | |
6f54efdc | 556 | extern NORETURN void exit PARAMS ((int)) ATTR_NORETURN; /* 4.10.4.3 */ |
d747e0af | 557 | |
6f54efdc | 558 | extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN; |
318bf84f | 559 | |
2fcdae93 PS |
560 | /* Reasons for calling return_to_top_level. */ |
561 | enum return_reason { | |
562 | /* User interrupt. */ | |
563 | RETURN_QUIT, | |
564 | ||
565 | /* Any other error. */ | |
566 | RETURN_ERROR | |
567 | }; | |
568 | ||
569 | #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT) | |
570 | #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR) | |
571 | #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR) | |
572 | typedef int return_mask; | |
573 | ||
6f54efdc SS |
574 | extern NORETURN void |
575 | return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN; | |
2fcdae93 | 576 | |
6f54efdc SS |
577 | extern int |
578 | catch_errors PARAMS ((int (*) (char *), void *, char *, return_mask)); | |
d747e0af | 579 | |
6f54efdc | 580 | extern void warning_setup PARAMS ((void)); |
d747e0af | 581 | |
6f54efdc | 582 | extern void warning (); |
d747e0af | 583 | |
97e7b66f DE |
584 | /* Global functions from other, non-gdb GNU thingies. |
585 | Libiberty thingies are no longer declared here. We include libiberty.h | |
586 | above, instead. */ | |
d747e0af | 587 | |
6f54efdc | 588 | extern char *getenv PARAMS ((const char *)); |
d747e0af | 589 | |
e146177e SEF |
590 | /* From other system libraries */ |
591 | ||
592 | #ifndef PSIGNAL_IN_SIGNAL_H | |
6f54efdc | 593 | extern void psignal PARAMS ((unsigned, const char *)); |
e146177e SEF |
594 | #endif |
595 | ||
d747e0af MT |
596 | /* For now, we can't include <stdlib.h> because it conflicts with |
597 | "../include/getopt.h". (FIXME) | |
598 | ||
318bf84f FF |
599 | However, if a function is defined in the ANSI C standard and a prototype |
600 | for that function is defined and visible in any header file in an ANSI | |
601 | conforming environment, then that prototype must match the definition in | |
602 | the ANSI standard. So we can just duplicate them here without conflict, | |
d747e0af MT |
603 | since they must be the same in all conforming ANSI environments. If |
604 | these cause problems, then the environment is not ANSI conformant. */ | |
605 | ||
0a5d35ed | 606 | #ifdef __STDC__ |
d747e0af | 607 | #include <stddef.h> |
0a5d35ed | 608 | #endif |
d747e0af | 609 | |
6f54efdc | 610 | extern int fclose PARAMS ((GDB_FILE *stream)); /* 4.9.5.1 */ |
d747e0af | 611 | |
6f54efdc | 612 | extern void perror PARAMS ((const char *)); /* 4.9.10.4 */ |
e146177e | 613 | |
6f54efdc | 614 | extern double atof PARAMS ((const char *nptr)); /* 4.10.1.1 */ |
d747e0af | 615 | |
6f54efdc | 616 | extern int atoi PARAMS ((const char *)); /* 4.10.1.2 */ |
51b57ded | 617 | |
d747e0af | 618 | #ifndef MALLOC_INCOMPATIBLE |
318bf84f | 619 | |
6f54efdc | 620 | extern PTR malloc PARAMS ((size_t size)); /* 4.10.3.3 */ |
d747e0af | 621 | |
6f54efdc | 622 | extern PTR realloc PARAMS ((void *ptr, size_t size)); /* 4.10.3.4 */ |
d747e0af | 623 | |
6f54efdc | 624 | extern void free PARAMS ((void *)); /* 4.10.3.2 */ |
318bf84f FF |
625 | |
626 | #endif /* MALLOC_INCOMPATIBLE */ | |
d747e0af | 627 | |
d630b615 | 628 | extern void |
d747e0af MT |
629 | qsort PARAMS ((void *base, size_t nmemb, /* 4.10.5.2 */ |
630 | size_t size, | |
fad466eb | 631 | int (*compar)(const void *, const void *))); |
d747e0af | 632 | |
0f552c5f | 633 | #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */ |
6f54efdc | 634 | extern PTR memcpy PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */ |
51b57ded | 635 | |
6f54efdc | 636 | extern int memcmp PARAMS ((const void *, const void *, size_t)); /* 4.11.4.1 */ |
38dc5e12 | 637 | #endif |
51b57ded | 638 | |
6f54efdc | 639 | extern char *strchr PARAMS ((const char *, int)); /* 4.11.5.2 */ |
d747e0af | 640 | |
6f54efdc | 641 | extern char *strrchr PARAMS ((const char *, int)); /* 4.11.5.5 */ |
d747e0af | 642 | |
6f54efdc | 643 | extern char *strstr PARAMS ((const char *, const char *)); /* 4.11.5.7 */ |
e146177e | 644 | |
6f54efdc | 645 | extern char *strtok PARAMS ((char *, const char *)); /* 4.11.5.8 */ |
d747e0af | 646 | |
0f552c5f | 647 | #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */ |
6f54efdc | 648 | extern PTR memset PARAMS ((void *, int, size_t)); /* 4.11.6.1 */ |
0f552c5f | 649 | #endif |
51b57ded | 650 | |
6f54efdc | 651 | extern char *strerror PARAMS ((int)); /* 4.11.6.2 */ |
e2aab031 | 652 | |
0a5d35ed SG |
653 | /* Various possibilities for alloca. */ |
654 | #ifndef alloca | |
655 | # ifdef __GNUC__ | |
656 | # define alloca __builtin_alloca | |
7343d716 | 657 | # else /* Not GNU C */ |
0a5d35ed | 658 | # ifdef sparc |
22fd4704 | 659 | # include <alloca.h> /* NOTE: Doesn't declare alloca() */ |
e676a15f | 660 | # endif |
7343d716 JK |
661 | |
662 | /* We need to be careful not to declare this in a way which conflicts with | |
663 | bison. Bison never declares it as char *, but under various circumstances | |
664 | (like __hpux) we need to use void *. */ | |
665 | # if defined (__STDC__) || defined (__hpux) | |
666 | extern void *alloca (); | |
667 | # else /* Don't use void *. */ | |
0f552c5f | 668 | extern char *alloca (); |
7343d716 JK |
669 | # endif /* Don't use void *. */ |
670 | # endif /* Not GNU C */ | |
671 | #endif /* alloca not defined */ | |
e2aab031 | 672 | |
479f0f18 | 673 | /* HOST_BYTE_ORDER must be defined to one of these. */ |
a10c0d36 | 674 | |
0a5d35ed SG |
675 | #if !defined (BIG_ENDIAN) |
676 | #define BIG_ENDIAN 4321 | |
677 | #endif | |
a10c0d36 | 678 | |
0a5d35ed SG |
679 | #if !defined (LITTLE_ENDIAN) |
680 | #define LITTLE_ENDIAN 1234 | |
681 | #endif | |
a10c0d36 | 682 | |
2fcdae93 | 683 | /* Target-system-dependent parameters for GDB. */ |
7d9884b9 | 684 | |
479f0f18 SG |
685 | #ifdef TARGET_BYTE_ORDER_SELECTABLE |
686 | /* The target endianness is selectable at runtime. Define | |
687 | TARGET_BYTE_ORDER to be a variable. The user can use the `set | |
688 | endian' command to change it. */ | |
689 | #undef TARGET_BYTE_ORDER | |
690 | #define TARGET_BYTE_ORDER target_byte_order | |
691 | extern int target_byte_order; | |
692 | #endif | |
693 | ||
694 | extern void set_endian_from_file PARAMS ((bfd *)); | |
695 | ||
04f566a3 JK |
696 | /* Number of bits in a char or unsigned char for the target machine. |
697 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ | |
698 | #if !defined (TARGET_CHAR_BIT) | |
699 | #define TARGET_CHAR_BIT 8 | |
700 | #endif | |
701 | ||
702 | /* Number of bits in a short or unsigned short for the target machine. */ | |
703 | #if !defined (TARGET_SHORT_BIT) | |
704 | #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT) | |
705 | #endif | |
706 | ||
707 | /* Number of bits in an int or unsigned int for the target machine. */ | |
708 | #if !defined (TARGET_INT_BIT) | |
709 | #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT) | |
710 | #endif | |
711 | ||
712 | /* Number of bits in a long or unsigned long for the target machine. */ | |
713 | #if !defined (TARGET_LONG_BIT) | |
714 | #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT) | |
715 | #endif | |
716 | ||
717 | /* Number of bits in a long long or unsigned long long for the target machine. */ | |
718 | #if !defined (TARGET_LONG_LONG_BIT) | |
719 | #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT) | |
720 | #endif | |
721 | ||
722 | /* Number of bits in a float for the target machine. */ | |
723 | #if !defined (TARGET_FLOAT_BIT) | |
724 | #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT) | |
725 | #endif | |
726 | ||
727 | /* Number of bits in a double for the target machine. */ | |
728 | #if !defined (TARGET_DOUBLE_BIT) | |
729 | #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT) | |
730 | #endif | |
731 | ||
732 | /* Number of bits in a long double for the target machine. */ | |
733 | #if !defined (TARGET_LONG_DOUBLE_BIT) | |
734 | #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT) | |
735 | #endif | |
736 | ||
737 | /* Number of bits in a "complex" for the target machine. */ | |
738 | #if !defined (TARGET_COMPLEX_BIT) | |
739 | #define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT) | |
740 | #endif | |
741 | ||
742 | /* Number of bits in a "double complex" for the target machine. */ | |
743 | #if !defined (TARGET_DOUBLE_COMPLEX_BIT) | |
744 | #define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT) | |
745 | #endif | |
746 | ||
747 | /* Number of bits in a pointer for the target machine */ | |
748 | #if !defined (TARGET_PTR_BIT) | |
749 | #define TARGET_PTR_BIT TARGET_INT_BIT | |
750 | #endif | |
751 | ||
752 | /* If we picked up a copy of CHAR_BIT from a configuration file | |
753 | (which may get it by including <limits.h>) then use it to set | |
754 | the number of bits in a host char. If not, use the same size | |
755 | as the target. */ | |
756 | ||
757 | #if defined (CHAR_BIT) | |
758 | #define HOST_CHAR_BIT CHAR_BIT | |
759 | #else | |
760 | #define HOST_CHAR_BIT TARGET_CHAR_BIT | |
761 | #endif | |
762 | ||
7d9884b9 JG |
763 | /* The bit byte-order has to do just with numbering of bits in |
764 | debugging symbols and such. Conceptually, it's quite separate | |
765 | from byte/word byte order. */ | |
766 | ||
767 | #if !defined (BITS_BIG_ENDIAN) | |
479f0f18 SG |
768 | #ifndef TARGET_BYTE_ORDER_SELECTABLE |
769 | ||
7d9884b9 JG |
770 | #if TARGET_BYTE_ORDER == BIG_ENDIAN |
771 | #define BITS_BIG_ENDIAN 1 | |
772 | #endif /* Big endian. */ | |
773 | ||
774 | #if TARGET_BYTE_ORDER == LITTLE_ENDIAN | |
775 | #define BITS_BIG_ENDIAN 0 | |
776 | #endif /* Little endian. */ | |
479f0f18 SG |
777 | |
778 | #else /* defined (TARGET_BYTE_ORDER_SELECTABLE) */ | |
779 | ||
780 | #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN) | |
781 | ||
782 | #endif /* defined (TARGET_BYTE_ORDER_SELECTABLE) */ | |
7d9884b9 JG |
783 | #endif /* BITS_BIG_ENDIAN not defined. */ |
784 | ||
e3c16900 | 785 | /* In findvar.c. */ |
e3c16900 | 786 | |
6f54efdc SS |
787 | extern LONGEST extract_signed_integer PARAMS ((void *, int)); |
788 | ||
789 | extern unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int)); | |
790 | ||
791 | extern CORE_ADDR extract_address PARAMS ((void *, int)); | |
792 | ||
793 | extern void store_signed_integer PARAMS ((void *, int, LONGEST)); | |
794 | ||
795 | extern void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST)); | |
796 | ||
797 | extern void store_address PARAMS ((void *, int, CORE_ADDR)); | |
798 | ||
799 | extern double extract_floating PARAMS ((void *, int)); | |
04f566a3 | 800 | |
6f54efdc | 801 | extern void store_floating PARAMS ((void *, int, double)); |
e3c16900 | 802 | \f |
7d9884b9 JG |
803 | /* On some machines there are bits in addresses which are not really |
804 | part of the address, but are used by the kernel, the hardware, etc. | |
805 | for special purposes. ADDR_BITS_REMOVE takes out any such bits | |
806 | so we get a "real" address such as one would find in a symbol | |
04f566a3 | 807 | table. This is used only for addresses of instructions, and even then |
e3c16900 JK |
808 | I'm not sure it's used in all contexts. It exists to deal with there |
809 | being a few stray bits in the PC which would mislead us, not as some sort | |
04f566a3 JK |
810 | of generic thing to handle alignment or segmentation (it's possible it |
811 | should be in TARGET_READ_PC instead). */ | |
7d9884b9 JG |
812 | #if !defined (ADDR_BITS_REMOVE) |
813 | #define ADDR_BITS_REMOVE(addr) (addr) | |
7d9884b9 JG |
814 | #endif /* No ADDR_BITS_REMOVE. */ |
815 | ||
d747e0af MT |
816 | /* From valops.c */ |
817 | ||
6f54efdc | 818 | extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int)); |
d747e0af | 819 | |
6f54efdc | 820 | extern CORE_ADDR push_word PARAMS ((CORE_ADDR, unsigned LONGEST)); |
d747e0af | 821 | |
0239d9b3 FF |
822 | /* Some parts of gdb might be considered optional, in the sense that they |
823 | are not essential for being able to build a working, usable debugger | |
824 | for a specific environment. For example, the maintenance commands | |
825 | are there for the benefit of gdb maintainers. As another example, | |
826 | some environments really don't need gdb's that are able to read N | |
827 | different object file formats. In order to make it possible (but | |
828 | not necessarily recommended) to build "stripped down" versions of | |
829 | gdb, the following defines control selective compilation of those | |
830 | parts of gdb which can be safely left out when necessary. Note that | |
831 | the default is to include everything. */ | |
832 | ||
833 | #ifndef MAINTENANCE_CMDS | |
834 | #define MAINTENANCE_CMDS 1 | |
835 | #endif | |
836 | ||
09722039 SG |
837 | #include "dis-asm.h" /* Get defs for disassemble_info */ |
838 | ||
18b46e7c SS |
839 | extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr, |
840 | int len, disassemble_info *info)); | |
841 | ||
842 | extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr, | |
843 | disassemble_info *info)); | |
844 | ||
845 | extern void dis_asm_print_address PARAMS ((bfd_vma addr, | |
846 | disassemble_info *info)); | |
847 | ||
848 | extern int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info*)); | |
849 | ||
850 | /* Hooks for alternate command interfaces. */ | |
851 | ||
09722039 SG |
852 | #ifdef __STDC__ |
853 | struct target_waitstatus; | |
854 | struct cmd_list_element; | |
855 | #endif | |
856 | ||
8164ec2e SG |
857 | extern void (*init_ui_hook) PARAMS ((void)); |
858 | extern void (*command_loop_hook) PARAMS ((void)); | |
18b46e7c SS |
859 | extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer, |
860 | FILE *stream)); | |
861 | extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s, | |
862 | int line, int stopline, | |
863 | int noerror)); | |
864 | extern int (*query_hook) PARAMS ((void)); | |
8164ec2e SG |
865 | extern void (*flush_hook) PARAMS ((FILE *stream)); |
866 | extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b)); | |
867 | extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); | |
868 | extern void (*enable_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); | |
869 | extern void (*disable_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); | |
637b1661 | 870 | extern void (*interactive_hook) PARAMS ((void)); |
16041d53 | 871 | extern void (*registers_changed_hook) PARAMS ((void)); |
09722039 SG |
872 | extern int (*dis_asm_read_memory_hook) PARAMS ((bfd_vma memaddr, |
873 | bfd_byte *myaddr, int len, | |
874 | disassemble_info *info)); | |
479f0f18 SG |
875 | |
876 | extern int (*target_wait_hook) PARAMS ((int pid, | |
877 | struct target_waitstatus *status)); | |
878 | ||
879 | extern void (*call_command_hook) PARAMS ((struct cmd_list_element *c, | |
880 | char *cmd, int from_tty)); | |
881 | ||
18b46e7c | 882 | extern NORETURN void (*error_hook) PARAMS ((void)); |
86db943c | 883 | |
754e5da2 SG |
884 | /* Inhibit window interface if non-zero. */ |
885 | ||
c5197511 | 886 | extern int use_windows; |
754e5da2 | 887 | |
09722039 | 888 | #endif /* #ifndef DEFS_H */ |