Commit | Line | Data |
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7d9884b9 | 1 | /* Basic, host-specific, and target-specific definitions for GDB. |
6f54efdc SS |
2 | Copyright (C) 1986, 1989, 1991, 1992, 1993, 1994 |
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 | |
c1ace5b5 | 21 | #if !defined (DEFS_H) |
d747e0af MT |
22 | #define DEFS_H 1 |
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 | ||
7343d716 JK |
36 | /* For BFD64 and bfd_vma. */ |
37 | #include "bfd.h" | |
38 | ||
39 | /* An address in the program being debugged. Host byte order. Rather | |
40 | than duplicate all the logic in BFD which figures out what type | |
41 | this is (long, long long, etc.) and whether it needs to be 64 | |
42 | bits (the host/target interactions are subtle), we just use | |
43 | bfd_vma. */ | |
44 | ||
45 | typedef bfd_vma CORE_ADDR; | |
bd5635a1 RP |
46 | |
47 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
48 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
49 | ||
2e4964ad FF |
50 | /* Gdb does *lots* of string compares. Use macros to speed them up by |
51 | avoiding function calls if the first characters are not the same. */ | |
52 | ||
bd5d07d9 | 53 | #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b)) |
2e4964ad FF |
54 | #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0) |
55 | #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0) | |
56 | ||
dd577ca5 | 57 | /* The character GNU C++ uses to build identifiers that must be unique from |
bd5635a1 RP |
58 | the program's identifiers (such as $this and $$vptr). */ |
59 | #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */ | |
60 | ||
e146177e | 61 | #include <errno.h> /* System call error return status */ |
bd5635a1 RP |
62 | |
63 | extern int quit_flag; | |
64 | extern int immediate_quit; | |
51b80b00 | 65 | extern int sevenbit_strings; |
d747e0af | 66 | |
6f54efdc | 67 | extern void quit PARAMS ((void)); |
bd5635a1 | 68 | |
637b1661 | 69 | #define QUIT { if (quit_flag) quit (); if (interactive_hook) interactive_hook (); } |
bd5635a1 | 70 | |
e58de8a2 FF |
71 | /* Command classes are top-level categories into which commands are broken |
72 | down for "help" purposes. | |
73 | Notes on classes: class_alias is for alias commands which are not | |
74 | abbreviations of the original command. class-pseudo is for commands | |
75 | which are not really commands nor help topics ("stop"). */ | |
bd5635a1 RP |
76 | |
77 | enum command_class | |
78 | { | |
79 | /* Special args to help_list */ | |
80 | all_classes = -2, all_commands = -1, | |
81 | /* Classes of commands */ | |
82 | no_class = -1, class_run = 0, class_vars, class_stack, | |
83 | class_files, class_support, class_info, class_breakpoint, | |
e58de8a2 FF |
84 | class_alias, class_obscure, class_user, class_maintenance, |
85 | class_pseudo | |
bd5635a1 RP |
86 | }; |
87 | ||
bd5d07d9 FF |
88 | /* Languages represented in the symbol table and elsewhere. |
89 | This should probably be in language.h, but since enum's can't | |
90 | be forward declared to satisfy opaque references before their | |
91 | actual definition, needs to be here. */ | |
92 | ||
93 | enum language | |
94 | { | |
95 | language_unknown, /* Language not known */ | |
96 | language_auto, /* Placeholder for automatic setting */ | |
97 | language_c, /* C */ | |
98 | language_cplus, /* C++ */ | |
bd5d07d9 | 99 | language_chill, /* Chill */ |
e52bfe0c | 100 | language_fortran, /* Fortran */ |
754e5da2 SG |
101 | language_m2, /* Modula-2 */ |
102 | language_asm /* Assembly language */ | |
bd5d07d9 FF |
103 | }; |
104 | ||
bd5635a1 RP |
105 | /* the cleanup list records things that have to be undone |
106 | if an error happens (descriptors to be closed, memory to be freed, etc.) | |
107 | Each link in the chain records a function to call and an | |
108 | argument to give it. | |
109 | ||
110 | Use make_cleanup to add an element to the cleanup chain. | |
111 | Use do_cleanups to do all cleanup actions back to a given | |
112 | point in the chain. Use discard_cleanups to remove cleanups | |
113 | from the chain back to a given point, not doing them. */ | |
114 | ||
115 | struct cleanup | |
116 | { | |
117 | struct cleanup *next; | |
d747e0af MT |
118 | void (*function) PARAMS ((PTR)); |
119 | PTR arg; | |
bd5635a1 RP |
120 | }; |
121 | ||
637b1661 SG |
122 | /* Needed for various prototypes */ |
123 | ||
124 | #ifdef __STDC__ | |
125 | struct symtab; | |
126 | struct breakpoint; | |
127 | #endif | |
128 | ||
d747e0af MT |
129 | /* From blockframe.c */ |
130 | ||
6f54efdc | 131 | extern int inside_entry_func PARAMS ((CORE_ADDR)); |
d747e0af | 132 | |
6f54efdc | 133 | extern int inside_entry_file PARAMS ((CORE_ADDR addr)); |
d747e0af | 134 | |
6f54efdc | 135 | extern int inside_main_func PARAMS ((CORE_ADDR pc)); |
d747e0af | 136 | |
7532cf10 FF |
137 | /* From ch-lang.c, for the moment. (FIXME) */ |
138 | ||
6f54efdc | 139 | extern char *chill_demangle PARAMS ((const char *)); |
7532cf10 | 140 | |
2e4964ad | 141 | /* From libiberty.a */ |
d747e0af | 142 | |
6f54efdc | 143 | extern char *cplus_demangle PARAMS ((const char *, int)); |
d747e0af | 144 | |
6f54efdc | 145 | extern char *cplus_mangle_opname PARAMS ((char *, int)); |
d747e0af | 146 | |
318bf84f | 147 | /* From libmmalloc.a (memory mapped malloc library) */ |
d747e0af | 148 | |
6f54efdc | 149 | extern PTR mmalloc_attach PARAMS ((int, PTR)); |
d747e0af | 150 | |
6f54efdc | 151 | extern PTR mmalloc_detach PARAMS ((PTR)); |
d747e0af | 152 | |
6f54efdc | 153 | extern PTR mmalloc PARAMS ((PTR, long)); |
d747e0af | 154 | |
6f54efdc | 155 | extern PTR mrealloc PARAMS ((PTR, PTR, long)); |
d747e0af | 156 | |
6f54efdc | 157 | extern void mfree PARAMS ((PTR, PTR)); |
d747e0af | 158 | |
6f54efdc | 159 | extern int mmalloc_setkey PARAMS ((PTR, int, PTR)); |
d747e0af | 160 | |
6f54efdc | 161 | extern PTR mmalloc_getkey PARAMS ((PTR, int)); |
d747e0af MT |
162 | |
163 | /* From utils.c */ | |
164 | ||
6f54efdc | 165 | extern int strcmp_iw PARAMS ((const char *, const char *)); |
d630b615 | 166 | |
6f54efdc | 167 | extern char *safe_strerror PARAMS ((int)); |
e146177e | 168 | |
6f54efdc | 169 | extern char *safe_strsignal PARAMS ((int)); |
e146177e | 170 | |
6f54efdc | 171 | extern void init_malloc PARAMS ((void *)); |
d747e0af | 172 | |
6f54efdc | 173 | extern void request_quit PARAMS ((int)); |
d747e0af | 174 | |
6f54efdc | 175 | extern void do_cleanups PARAMS ((struct cleanup *)); |
d747e0af | 176 | |
6f54efdc | 177 | extern void discard_cleanups PARAMS ((struct cleanup *)); |
d747e0af MT |
178 | |
179 | /* The bare make_cleanup function is one of those rare beasts that | |
180 | takes almost any type of function as the first arg and anything that | |
181 | will fit in a "void *" as the second arg. | |
182 | ||
183 | Should be, once all calls and called-functions are cleaned up: | |
184 | extern struct cleanup * | |
84d59861 | 185 | make_cleanup PARAMS ((void (*function) (void *), void *)); |
d747e0af MT |
186 | |
187 | Until then, lint and/or various type-checking compiler options will | |
188 | complain about make_cleanup calls. It'd be wrong to just cast things, | |
189 | since the type actually passed when the function is called would be | |
190 | wrong. */ | |
191 | ||
6f54efdc | 192 | extern struct cleanup *make_cleanup (); |
d747e0af | 193 | |
6f54efdc | 194 | extern struct cleanup *save_cleanups PARAMS ((void)); |
d747e0af | 195 | |
6f54efdc | 196 | extern void restore_cleanups PARAMS ((struct cleanup *)); |
d747e0af | 197 | |
6f54efdc | 198 | extern void free_current_contents PARAMS ((char **)); |
d747e0af | 199 | |
6f54efdc | 200 | extern void null_cleanup PARAMS ((char **)); |
d747e0af | 201 | |
6f54efdc | 202 | extern int myread PARAMS ((int, char *, int)); |
d747e0af | 203 | |
6f54efdc | 204 | extern int query (); |
6c803036 | 205 | \f |
96f7edbd JK |
206 | /* Annotation stuff. */ |
207 | ||
6c803036 JK |
208 | extern int annotation_level; /* in stack.c */ |
209 | \f | |
6f54efdc | 210 | extern void begin_line PARAMS ((void)); |
51b80b00 | 211 | |
6f54efdc | 212 | extern void wrap_here PARAMS ((char *)); |
d747e0af | 213 | |
6f54efdc | 214 | extern void reinitialize_more_filter PARAMS ((void)); |
d747e0af | 215 | |
04f566a3 JK |
216 | typedef FILE GDB_FILE; |
217 | #define gdb_stdout stdout | |
218 | #define gdb_stderr stderr | |
219 | ||
6f54efdc | 220 | extern int print_insn PARAMS ((CORE_ADDR, GDB_FILE *)); |
04f566a3 | 221 | |
6f54efdc | 222 | extern void gdb_flush PARAMS ((GDB_FILE *)); |
04f566a3 | 223 | |
6f54efdc | 224 | extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode)); |
04f566a3 | 225 | |
6f54efdc | 226 | extern void fputs_filtered PARAMS ((const char *, GDB_FILE *)); |
04f566a3 | 227 | |
6f54efdc | 228 | extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *)); |
d747e0af | 229 | |
6f54efdc | 230 | extern void fputc_unfiltered PARAMS ((int, GDB_FILE *)); |
04f566a3 | 231 | |
6f54efdc | 232 | extern void putc_unfiltered PARAMS ((int)); |
04f566a3 JK |
233 | |
234 | #define putchar_unfiltered(C) putc_unfiltered(C) | |
d747e0af | 235 | |
6f54efdc | 236 | extern void puts_filtered PARAMS ((char *)); |
d747e0af | 237 | |
6f54efdc | 238 | extern void puts_unfiltered PARAMS ((char *)); |
04f566a3 | 239 | |
6f54efdc | 240 | extern void vprintf_filtered (); |
51b80b00 | 241 | |
6f54efdc | 242 | extern void vfprintf_filtered (); |
a8e033f2 | 243 | |
6f54efdc | 244 | extern void fprintf_filtered (); |
d747e0af | 245 | |
6f54efdc | 246 | extern void fprintfi_filtered (); |
a8e033f2 | 247 | |
6f54efdc | 248 | extern void printf_filtered (); |
d747e0af | 249 | |
6f54efdc | 250 | extern void printfi_filtered (); |
a8e033f2 | 251 | |
6f54efdc | 252 | extern void vprintf_unfiltered (); |
04f566a3 | 253 | |
6f54efdc | 254 | extern void vfprintf_unfiltered (); |
04f566a3 | 255 | |
6f54efdc | 256 | extern void fprintf_unfiltered (); |
d747e0af | 257 | |
6f54efdc | 258 | extern void printf_unfiltered (); |
04f566a3 | 259 | |
6f54efdc | 260 | extern void print_spaces PARAMS ((int, GDB_FILE *)); |
04f566a3 | 261 | |
6f54efdc | 262 | extern void print_spaces_filtered PARAMS ((int, GDB_FILE *)); |
d747e0af | 263 | |
6f54efdc | 264 | extern char *n_spaces PARAMS ((int)); |
d747e0af | 265 | |
6f54efdc | 266 | extern void gdb_printchar PARAMS ((int, GDB_FILE *, int)); |
d747e0af | 267 | |
833e0d94 JK |
268 | extern void gdb_print_address PARAMS ((void *, GDB_FILE *)); |
269 | ||
6f54efdc SS |
270 | extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *, |
271 | enum language, int)); | |
d747e0af | 272 | |
6f54efdc | 273 | extern void perror_with_name PARAMS ((char *)); |
d747e0af | 274 | |
6f54efdc | 275 | extern void print_sys_errmsg PARAMS ((char *, int)); |
d747e0af | 276 | |
1bef45ea JK |
277 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as |
278 | "const char *" in unistd.h, so we can't declare the argument | |
279 | as "char *". */ | |
d747e0af | 280 | |
6f54efdc | 281 | extern char *re_comp PARAMS ((const char *)); |
d747e0af MT |
282 | |
283 | /* From symfile.c */ | |
284 | ||
6f54efdc | 285 | extern void symbol_file_command PARAMS ((char *, int)); |
d747e0af MT |
286 | |
287 | /* From main.c */ | |
288 | ||
6f54efdc | 289 | extern char *skip_quoted PARAMS ((char *)); |
d630b615 | 290 | |
6f54efdc | 291 | extern char *gdb_readline PARAMS ((char *)); |
d747e0af | 292 | |
6f54efdc | 293 | extern char *command_line_input PARAMS ((char *, int, char *)); |
d747e0af | 294 | |
6f54efdc | 295 | extern void print_prompt PARAMS ((void)); |
d747e0af | 296 | |
6f54efdc | 297 | extern int input_from_terminal_p PARAMS ((void)); |
d747e0af | 298 | |
bd5635a1 | 299 | /* From printcmd.c */ |
d747e0af | 300 | |
6f54efdc | 301 | extern void set_next_address PARAMS ((CORE_ADDR)); |
d747e0af | 302 | |
6f54efdc SS |
303 | extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int, |
304 | char *)); | |
d747e0af | 305 | |
6f54efdc | 306 | extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *)); |
833e0d94 | 307 | |
6f54efdc | 308 | extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *)); |
bd5635a1 | 309 | |
e1ce8aa5 | 310 | /* From source.c */ |
d747e0af | 311 | |
6f54efdc | 312 | extern int openp PARAMS ((char *, int, char *, int, int, char **)); |
d747e0af | 313 | |
6f54efdc | 314 | extern void mod_path PARAMS ((char *, char **)); |
d747e0af | 315 | |
6f54efdc | 316 | extern void directory_command PARAMS ((char *, int)); |
d747e0af | 317 | |
6f54efdc | 318 | extern void init_source_path PARAMS ((void)); |
d747e0af | 319 | |
637b1661 SG |
320 | extern char *symtab_to_filename PARAMS ((struct symtab *)); |
321 | ||
d747e0af MT |
322 | /* From findvar.c */ |
323 | ||
6f54efdc | 324 | extern int read_relative_register_raw_bytes PARAMS ((int, char *)); |
e1ce8aa5 | 325 | |
bd5635a1 | 326 | /* From readline (but not in any readline .h files). */ |
d747e0af | 327 | |
6f54efdc | 328 | extern char *tilde_expand PARAMS ((char *)); |
bd5635a1 | 329 | |
78751d4f PS |
330 | /* Control types for commands */ |
331 | ||
332 | enum misc_command_type | |
333 | { | |
334 | ok_command, | |
335 | end_command, | |
336 | else_command, | |
337 | nop_command | |
338 | }; | |
339 | ||
340 | enum command_control_type | |
341 | { | |
342 | simple_control, | |
343 | break_control, | |
344 | continue_control, | |
345 | while_control, | |
346 | if_control, | |
347 | invalid_control | |
348 | }; | |
349 | ||
bd5635a1 RP |
350 | /* Structure for saved commands lines |
351 | (for breakpoints, defined commands, etc). */ | |
352 | ||
353 | struct command_line | |
354 | { | |
355 | struct command_line *next; | |
356 | char *line; | |
78751d4f PS |
357 | enum command_control_type control_type; |
358 | int body_count; | |
359 | struct command_line **body_list; | |
bd5635a1 RP |
360 | }; |
361 | ||
6f54efdc | 362 | extern struct command_line *read_command_lines PARAMS ((void)); |
d747e0af | 363 | |
6f54efdc | 364 | extern void free_command_lines PARAMS ((struct command_line **)); |
bd5635a1 RP |
365 | |
366 | /* String containing the current directory (what getwd would return). */ | |
367 | ||
d747e0af | 368 | extern char *current_directory; |
bd5635a1 RP |
369 | |
370 | /* Default radixes for input and output. Only some values supported. */ | |
371 | extern unsigned input_radix; | |
372 | extern unsigned output_radix; | |
373 | ||
a8a69e63 FF |
374 | /* Possibilities for prettyprint parameters to routines which print |
375 | things. Like enum language, this should be in value.h, but needs | |
376 | to be here for the same reason. FIXME: If we can eliminate this | |
377 | as an arg to LA_VAL_PRINT, then we can probably move it back to | |
378 | value.h. */ | |
379 | ||
380 | enum val_prettyprint | |
381 | { | |
382 | Val_no_prettyprint = 0, | |
383 | Val_prettyprint, | |
384 | /* Use the default setting which the user has specified. */ | |
385 | Val_pretty_default | |
386 | }; | |
387 | ||
0a5d35ed SG |
388 | \f |
389 | /* Host machine definition. This will be a symlink to one of the | |
390 | xm-*.h files, built by the `configure' script. */ | |
391 | ||
392 | #include "xm.h" | |
393 | ||
e58de8a2 FF |
394 | /* Native machine support. This will be a symlink to one of the |
395 | nm-*.h files, built by the `configure' script. */ | |
396 | ||
397 | #include "nm.h" | |
398 | ||
e146177e SEF |
399 | /* If the xm.h file did not define the mode string used to open the |
400 | files, assume that binary files are opened the same way as text | |
401 | files */ | |
402 | #ifndef FOPEN_RB | |
403 | #include "fopen-same.h" | |
404 | #endif | |
405 | ||
0a5d35ed SG |
406 | /* |
407 | * Allow things in gdb to be declared "const". If compiling ANSI, it | |
408 | * just works. If compiling with gcc but non-ansi, redefine to __const__. | |
409 | * If non-ansi, non-gcc, then eliminate "const" entirely, making those | |
410 | * objects be read-write rather than read-only. | |
411 | */ | |
412 | ||
413 | #ifndef const | |
414 | #ifndef __STDC__ | |
415 | # ifdef __GNUC__ | |
416 | # define const __const__ | |
417 | # else | |
418 | # define const /*nothing*/ | |
419 | # endif /* GNUC */ | |
420 | #endif /* STDC */ | |
421 | #endif /* const */ | |
422 | ||
423 | #ifndef volatile | |
424 | #ifndef __STDC__ | |
425 | # ifdef __GNUC__ | |
426 | # define volatile __volatile__ | |
427 | # else | |
428 | # define volatile /*nothing*/ | |
429 | # endif /* GNUC */ | |
430 | #endif /* STDC */ | |
431 | #endif /* volatile */ | |
432 | ||
6f54efdc SS |
433 | /* The ability to declare that a function never returns is useful, but |
434 | not really required to compile GDB successfully, so the NORETURN and | |
435 | ATTR_NORETURN macros normally expand into nothing. */ | |
436 | ||
437 | /* If compiling with older versions of GCC, a function may be declared | |
438 | "volatile" to indicate that it does not return. */ | |
d747e0af MT |
439 | |
440 | #ifndef NORETURN | |
6f54efdc SS |
441 | # if defined(__GNUC__) \ |
442 | && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)) | |
443 | # define NORETURN volatile | |
e676a15f | 444 | # else |
6f54efdc SS |
445 | # define NORETURN /* nothing */ |
446 | # endif | |
447 | #endif | |
448 | ||
449 | /* GCC 2.5 and later versions define a function attribute "noreturn", | |
450 | which is the preferred way to declare that a function never returns. */ | |
451 | ||
452 | #ifndef ATTR_NORETURN | |
453 | # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 5 | |
454 | # define ATTR_NORETURN __attribute__ ((noreturn)) | |
455 | # else | |
456 | # define ATTR_NORETURN /* nothing */ | |
e676a15f | 457 | # endif |
d747e0af MT |
458 | #endif |
459 | ||
0a5d35ed SG |
460 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */ |
461 | ||
bd5635a1 | 462 | #if !defined (UINT_MAX) |
38dc5e12 | 463 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ |
bd5635a1 RP |
464 | #endif |
465 | ||
e1ce8aa5 | 466 | #if !defined (INT_MAX) |
dd577ca5 | 467 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
e1ce8aa5 JK |
468 | #endif |
469 | ||
470 | #if !defined (INT_MIN) | |
38dc5e12 SG |
471 | #define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */ |
472 | #endif | |
473 | ||
474 | #if !defined (ULONG_MAX) | |
475 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ | |
476 | #endif | |
477 | ||
478 | #if !defined (LONG_MAX) | |
479 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ | |
e1ce8aa5 JK |
480 | #endif |
481 | ||
7343d716 JK |
482 | #ifdef BFD64 |
483 | ||
484 | /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */ | |
485 | ||
70126bf9 | 486 | #define LONGEST BFD_HOST_64_BIT |
7343d716 JK |
487 | |
488 | #else /* No BFD64 */ | |
489 | ||
fad466eb SS |
490 | /* If all compilers for this host support "long long" and we want to |
491 | use it for LONGEST (the performance hit is about 10% on a testsuite | |
492 | run based on one DECstation test), then the xm.h file can define | |
493 | CC_HAS_LONG_LONG. | |
494 | ||
495 | Using GCC 1.39 on BSDI with long long causes about 700 new | |
496 | testsuite failures. Using long long for LONGEST on the DECstation | |
497 | causes 3 new FAILs in the testsuite and many heuristic fencepost | |
498 | warnings. These are not investigated, but a first guess would be | |
499 | that the BSDI problems are GCC bugs in long long support and the | |
500 | latter are GDB bugs. */ | |
7efb57c3 FF |
501 | |
502 | #ifndef CC_HAS_LONG_LONG | |
fad466eb | 503 | # if defined (__GNUC__) && defined (FORCE_LONG_LONG) |
7efb57c3 FF |
504 | # define CC_HAS_LONG_LONG 1 |
505 | # endif | |
506 | #endif | |
fad466eb | 507 | |
7efb57c3 FF |
508 | /* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work. |
509 | CC_HAS_LONG_LONG is defined if the host compiler supports "long long" | |
510 | variables and we wish to make use of that support. */ | |
d747e0af MT |
511 | |
512 | #ifndef LONGEST | |
7efb57c3 FF |
513 | # ifdef CC_HAS_LONG_LONG |
514 | # define LONGEST long long | |
515 | # else | |
516 | # define LONGEST long | |
517 | # endif | |
518 | #endif | |
519 | ||
7343d716 JK |
520 | #endif /* No BFD64 */ |
521 | ||
7efb57c3 FF |
522 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of |
523 | arguments to a function, number in a value history, register number, etc.) | |
524 | where the value must not be larger than can fit in an int. */ | |
525 | ||
fb0f4231 | 526 | extern int longest_to_int PARAMS ((LONGEST)); |
d747e0af | 527 | |
0a5d35ed SG |
528 | /* Assorted functions we can declare, now that const and volatile are |
529 | defined. */ | |
d747e0af | 530 | |
6f54efdc | 531 | extern char *savestring PARAMS ((const char *, int)); |
d747e0af | 532 | |
6f54efdc | 533 | extern char *msavestring PARAMS ((void *, const char *, int)); |
318bf84f | 534 | |
6f54efdc | 535 | extern char *strsave PARAMS ((const char *)); |
d747e0af | 536 | |
6f54efdc | 537 | extern char *mstrsave PARAMS ((void *, const char *)); |
318bf84f | 538 | |
6f54efdc | 539 | extern PTR xmalloc PARAMS ((long)); |
d747e0af | 540 | |
6f54efdc | 541 | extern PTR xrealloc PARAMS ((PTR, long)); |
318bf84f | 542 | |
6f54efdc | 543 | extern PTR xmmalloc PARAMS ((PTR, long)); |
318bf84f | 544 | |
6f54efdc | 545 | extern PTR xmrealloc PARAMS ((PTR, PTR, long)); |
318bf84f | 546 | |
6f54efdc | 547 | extern PTR mmalloc PARAMS ((PTR, long)); |
318bf84f | 548 | |
6f54efdc | 549 | extern PTR mrealloc PARAMS ((PTR, PTR, long)); |
318bf84f | 550 | |
6f54efdc | 551 | extern void mfree PARAMS ((PTR, PTR)); |
318bf84f | 552 | |
6f54efdc | 553 | extern int mmcheck PARAMS ((PTR, void (*) (void))); |
318bf84f | 554 | |
6f54efdc | 555 | extern int mmtrace PARAMS ((void)); |
d747e0af | 556 | |
6f54efdc | 557 | extern int parse_escape PARAMS ((char **)); |
d747e0af | 558 | |
e676a15f | 559 | extern const char * const reg_names[]; |
d747e0af | 560 | |
833e0d94 JK |
561 | /* Message to be printed before the error message, when an error occurs. */ |
562 | ||
563 | extern char *error_pre_print; | |
564 | ||
565 | /* Message to be printed before the warning message, when a warning occurs. */ | |
566 | ||
567 | extern char *warning_pre_print; | |
568 | ||
6f54efdc | 569 | extern NORETURN void error () ATTR_NORETURN; |
a0cf4681 JK |
570 | |
571 | extern void error_begin PARAMS ((void)); | |
d747e0af | 572 | |
6f54efdc | 573 | extern NORETURN void fatal () ATTR_NORETURN; |
d747e0af | 574 | |
6f54efdc | 575 | extern NORETURN void exit PARAMS ((int)) ATTR_NORETURN; /* 4.10.4.3 */ |
d747e0af | 576 | |
6f54efdc | 577 | extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN; |
318bf84f | 578 | |
2fcdae93 PS |
579 | /* Reasons for calling return_to_top_level. */ |
580 | enum return_reason { | |
581 | /* User interrupt. */ | |
582 | RETURN_QUIT, | |
583 | ||
584 | /* Any other error. */ | |
585 | RETURN_ERROR | |
586 | }; | |
587 | ||
588 | #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT) | |
589 | #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR) | |
590 | #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR) | |
591 | typedef int return_mask; | |
592 | ||
6f54efdc SS |
593 | extern NORETURN void |
594 | return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN; | |
2fcdae93 | 595 | |
6f54efdc SS |
596 | extern int |
597 | catch_errors PARAMS ((int (*) (char *), void *, char *, return_mask)); | |
d747e0af | 598 | |
6f54efdc | 599 | extern void warning_setup PARAMS ((void)); |
d747e0af | 600 | |
6f54efdc | 601 | extern void warning (); |
d747e0af | 602 | |
97e7b66f DE |
603 | /* Global functions from other, non-gdb GNU thingies. |
604 | Libiberty thingies are no longer declared here. We include libiberty.h | |
605 | above, instead. */ | |
d747e0af | 606 | |
6f54efdc | 607 | extern char *getenv PARAMS ((const char *)); |
d747e0af | 608 | |
e146177e SEF |
609 | /* From other system libraries */ |
610 | ||
611 | #ifndef PSIGNAL_IN_SIGNAL_H | |
6f54efdc | 612 | extern void psignal PARAMS ((unsigned, const char *)); |
e146177e SEF |
613 | #endif |
614 | ||
d747e0af MT |
615 | /* For now, we can't include <stdlib.h> because it conflicts with |
616 | "../include/getopt.h". (FIXME) | |
617 | ||
318bf84f FF |
618 | However, if a function is defined in the ANSI C standard and a prototype |
619 | for that function is defined and visible in any header file in an ANSI | |
620 | conforming environment, then that prototype must match the definition in | |
621 | the ANSI standard. So we can just duplicate them here without conflict, | |
d747e0af MT |
622 | since they must be the same in all conforming ANSI environments. If |
623 | these cause problems, then the environment is not ANSI conformant. */ | |
624 | ||
0a5d35ed | 625 | #ifdef __STDC__ |
d747e0af | 626 | #include <stddef.h> |
0a5d35ed | 627 | #endif |
d747e0af | 628 | |
6f54efdc | 629 | extern int fclose PARAMS ((GDB_FILE *stream)); /* 4.9.5.1 */ |
d747e0af | 630 | |
6f54efdc | 631 | extern void perror PARAMS ((const char *)); /* 4.9.10.4 */ |
e146177e | 632 | |
6f54efdc | 633 | extern double atof PARAMS ((const char *nptr)); /* 4.10.1.1 */ |
d747e0af | 634 | |
6f54efdc | 635 | extern int atoi PARAMS ((const char *)); /* 4.10.1.2 */ |
51b57ded | 636 | |
d747e0af | 637 | #ifndef MALLOC_INCOMPATIBLE |
318bf84f | 638 | |
6f54efdc | 639 | extern PTR malloc PARAMS ((size_t size)); /* 4.10.3.3 */ |
d747e0af | 640 | |
6f54efdc | 641 | extern PTR realloc PARAMS ((void *ptr, size_t size)); /* 4.10.3.4 */ |
d747e0af | 642 | |
6f54efdc | 643 | extern void free PARAMS ((void *)); /* 4.10.3.2 */ |
318bf84f FF |
644 | |
645 | #endif /* MALLOC_INCOMPATIBLE */ | |
d747e0af | 646 | |
d630b615 | 647 | extern void |
d747e0af MT |
648 | qsort PARAMS ((void *base, size_t nmemb, /* 4.10.5.2 */ |
649 | size_t size, | |
fad466eb | 650 | int (*compar)(const void *, const void *))); |
d747e0af | 651 | |
0f552c5f | 652 | #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */ |
6f54efdc | 653 | extern PTR memcpy PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */ |
51b57ded | 654 | |
6f54efdc | 655 | extern int memcmp PARAMS ((const void *, const void *, size_t)); /* 4.11.4.1 */ |
38dc5e12 | 656 | #endif |
51b57ded | 657 | |
6f54efdc | 658 | extern char *strchr PARAMS ((const char *, int)); /* 4.11.5.2 */ |
d747e0af | 659 | |
6f54efdc | 660 | extern char *strrchr PARAMS ((const char *, int)); /* 4.11.5.5 */ |
d747e0af | 661 | |
6f54efdc | 662 | extern char *strstr PARAMS ((const char *, const char *)); /* 4.11.5.7 */ |
e146177e | 663 | |
6f54efdc | 664 | extern char *strtok PARAMS ((char *, const char *)); /* 4.11.5.8 */ |
d747e0af | 665 | |
0f552c5f | 666 | #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */ |
6f54efdc | 667 | extern PTR memset PARAMS ((void *, int, size_t)); /* 4.11.6.1 */ |
0f552c5f | 668 | #endif |
51b57ded | 669 | |
6f54efdc | 670 | extern char *strerror PARAMS ((int)); /* 4.11.6.2 */ |
e2aab031 | 671 | |
0a5d35ed SG |
672 | /* Various possibilities for alloca. */ |
673 | #ifndef alloca | |
674 | # ifdef __GNUC__ | |
675 | # define alloca __builtin_alloca | |
7343d716 | 676 | # else /* Not GNU C */ |
0a5d35ed | 677 | # ifdef sparc |
22fd4704 | 678 | # include <alloca.h> /* NOTE: Doesn't declare alloca() */ |
e676a15f | 679 | # endif |
7343d716 JK |
680 | |
681 | /* We need to be careful not to declare this in a way which conflicts with | |
682 | bison. Bison never declares it as char *, but under various circumstances | |
683 | (like __hpux) we need to use void *. */ | |
684 | # if defined (__STDC__) || defined (__hpux) | |
685 | extern void *alloca (); | |
686 | # else /* Don't use void *. */ | |
0f552c5f | 687 | extern char *alloca (); |
7343d716 JK |
688 | # endif /* Don't use void *. */ |
689 | # endif /* Not GNU C */ | |
690 | #endif /* alloca not defined */ | |
e2aab031 | 691 | |
479f0f18 | 692 | /* HOST_BYTE_ORDER must be defined to one of these. */ |
a10c0d36 | 693 | |
0a5d35ed SG |
694 | #if !defined (BIG_ENDIAN) |
695 | #define BIG_ENDIAN 4321 | |
696 | #endif | |
a10c0d36 | 697 | |
0a5d35ed SG |
698 | #if !defined (LITTLE_ENDIAN) |
699 | #define LITTLE_ENDIAN 1234 | |
700 | #endif | |
a10c0d36 | 701 | |
2fcdae93 | 702 | /* Target-system-dependent parameters for GDB. */ |
7d9884b9 JG |
703 | |
704 | /* Target machine definition. This will be a symlink to one of the | |
705 | tm-*.h files, built by the `configure' script. */ | |
706 | ||
7d9884b9 | 707 | #include "tm.h" |
7d9884b9 | 708 | |
479f0f18 SG |
709 | #ifdef TARGET_BYTE_ORDER_SELECTABLE |
710 | /* The target endianness is selectable at runtime. Define | |
711 | TARGET_BYTE_ORDER to be a variable. The user can use the `set | |
712 | endian' command to change it. */ | |
713 | #undef TARGET_BYTE_ORDER | |
714 | #define TARGET_BYTE_ORDER target_byte_order | |
715 | extern int target_byte_order; | |
716 | #endif | |
717 | ||
718 | extern void set_endian_from_file PARAMS ((bfd *)); | |
719 | ||
04f566a3 JK |
720 | /* Number of bits in a char or unsigned char for the target machine. |
721 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ | |
722 | #if !defined (TARGET_CHAR_BIT) | |
723 | #define TARGET_CHAR_BIT 8 | |
724 | #endif | |
725 | ||
726 | /* Number of bits in a short or unsigned short for the target machine. */ | |
727 | #if !defined (TARGET_SHORT_BIT) | |
728 | #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT) | |
729 | #endif | |
730 | ||
731 | /* Number of bits in an int or unsigned int for the target machine. */ | |
732 | #if !defined (TARGET_INT_BIT) | |
733 | #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT) | |
734 | #endif | |
735 | ||
736 | /* Number of bits in a long or unsigned long for the target machine. */ | |
737 | #if !defined (TARGET_LONG_BIT) | |
738 | #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT) | |
739 | #endif | |
740 | ||
741 | /* Number of bits in a long long or unsigned long long for the target machine. */ | |
742 | #if !defined (TARGET_LONG_LONG_BIT) | |
743 | #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT) | |
744 | #endif | |
745 | ||
746 | /* Number of bits in a float for the target machine. */ | |
747 | #if !defined (TARGET_FLOAT_BIT) | |
748 | #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT) | |
749 | #endif | |
750 | ||
751 | /* Number of bits in a double for the target machine. */ | |
752 | #if !defined (TARGET_DOUBLE_BIT) | |
753 | #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT) | |
754 | #endif | |
755 | ||
756 | /* Number of bits in a long double for the target machine. */ | |
757 | #if !defined (TARGET_LONG_DOUBLE_BIT) | |
758 | #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT) | |
759 | #endif | |
760 | ||
761 | /* Number of bits in a "complex" for the target machine. */ | |
762 | #if !defined (TARGET_COMPLEX_BIT) | |
763 | #define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT) | |
764 | #endif | |
765 | ||
766 | /* Number of bits in a "double complex" for the target machine. */ | |
767 | #if !defined (TARGET_DOUBLE_COMPLEX_BIT) | |
768 | #define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT) | |
769 | #endif | |
770 | ||
771 | /* Number of bits in a pointer for the target machine */ | |
772 | #if !defined (TARGET_PTR_BIT) | |
773 | #define TARGET_PTR_BIT TARGET_INT_BIT | |
774 | #endif | |
775 | ||
776 | /* If we picked up a copy of CHAR_BIT from a configuration file | |
777 | (which may get it by including <limits.h>) then use it to set | |
778 | the number of bits in a host char. If not, use the same size | |
779 | as the target. */ | |
780 | ||
781 | #if defined (CHAR_BIT) | |
782 | #define HOST_CHAR_BIT CHAR_BIT | |
783 | #else | |
784 | #define HOST_CHAR_BIT TARGET_CHAR_BIT | |
785 | #endif | |
786 | ||
7d9884b9 JG |
787 | /* The bit byte-order has to do just with numbering of bits in |
788 | debugging symbols and such. Conceptually, it's quite separate | |
789 | from byte/word byte order. */ | |
790 | ||
791 | #if !defined (BITS_BIG_ENDIAN) | |
479f0f18 SG |
792 | #ifndef TARGET_BYTE_ORDER_SELECTABLE |
793 | ||
7d9884b9 JG |
794 | #if TARGET_BYTE_ORDER == BIG_ENDIAN |
795 | #define BITS_BIG_ENDIAN 1 | |
796 | #endif /* Big endian. */ | |
797 | ||
798 | #if TARGET_BYTE_ORDER == LITTLE_ENDIAN | |
799 | #define BITS_BIG_ENDIAN 0 | |
800 | #endif /* Little endian. */ | |
479f0f18 SG |
801 | |
802 | #else /* defined (TARGET_BYTE_ORDER_SELECTABLE) */ | |
803 | ||
804 | #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN) | |
805 | ||
806 | #endif /* defined (TARGET_BYTE_ORDER_SELECTABLE) */ | |
7d9884b9 JG |
807 | #endif /* BITS_BIG_ENDIAN not defined. */ |
808 | ||
e3c16900 | 809 | /* In findvar.c. */ |
e3c16900 | 810 | |
6f54efdc SS |
811 | extern LONGEST extract_signed_integer PARAMS ((void *, int)); |
812 | ||
813 | extern unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int)); | |
814 | ||
815 | extern CORE_ADDR extract_address PARAMS ((void *, int)); | |
816 | ||
817 | extern void store_signed_integer PARAMS ((void *, int, LONGEST)); | |
818 | ||
819 | extern void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST)); | |
820 | ||
821 | extern void store_address PARAMS ((void *, int, CORE_ADDR)); | |
822 | ||
823 | extern double extract_floating PARAMS ((void *, int)); | |
04f566a3 | 824 | |
6f54efdc | 825 | extern void store_floating PARAMS ((void *, int, double)); |
e3c16900 | 826 | \f |
7d9884b9 JG |
827 | /* On some machines there are bits in addresses which are not really |
828 | part of the address, but are used by the kernel, the hardware, etc. | |
829 | for special purposes. ADDR_BITS_REMOVE takes out any such bits | |
830 | so we get a "real" address such as one would find in a symbol | |
04f566a3 | 831 | table. This is used only for addresses of instructions, and even then |
e3c16900 JK |
832 | I'm not sure it's used in all contexts. It exists to deal with there |
833 | being a few stray bits in the PC which would mislead us, not as some sort | |
04f566a3 JK |
834 | of generic thing to handle alignment or segmentation (it's possible it |
835 | should be in TARGET_READ_PC instead). */ | |
7d9884b9 JG |
836 | #if !defined (ADDR_BITS_REMOVE) |
837 | #define ADDR_BITS_REMOVE(addr) (addr) | |
7d9884b9 JG |
838 | #endif /* No ADDR_BITS_REMOVE. */ |
839 | ||
d747e0af MT |
840 | /* From valops.c */ |
841 | ||
6f54efdc | 842 | extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int)); |
d747e0af | 843 | |
6f54efdc | 844 | extern CORE_ADDR push_word PARAMS ((CORE_ADDR, unsigned LONGEST)); |
d747e0af | 845 | |
0239d9b3 FF |
846 | /* Some parts of gdb might be considered optional, in the sense that they |
847 | are not essential for being able to build a working, usable debugger | |
848 | for a specific environment. For example, the maintenance commands | |
849 | are there for the benefit of gdb maintainers. As another example, | |
850 | some environments really don't need gdb's that are able to read N | |
851 | different object file formats. In order to make it possible (but | |
852 | not necessarily recommended) to build "stripped down" versions of | |
853 | gdb, the following defines control selective compilation of those | |
854 | parts of gdb which can be safely left out when necessary. Note that | |
855 | the default is to include everything. */ | |
856 | ||
857 | #ifndef MAINTENANCE_CMDS | |
858 | #define MAINTENANCE_CMDS 1 | |
859 | #endif | |
860 | ||
754e5da2 SG |
861 | /* Hooks for alternate command interfaces. */ |
862 | ||
8164ec2e SG |
863 | extern void (*init_ui_hook) PARAMS ((void)); |
864 | extern void (*command_loop_hook) PARAMS ((void)); | |
865 | extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer)); | |
866 | extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s, int line, | |
754e5da2 | 867 | int stopline, int noerror)); |
8164ec2e SG |
868 | extern int (*query_hook) PARAMS (()); |
869 | extern void (*flush_hook) PARAMS ((FILE *stream)); | |
870 | extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b)); | |
871 | extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); | |
872 | extern void (*enable_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); | |
873 | extern void (*disable_breakpoint_hook) PARAMS ((struct breakpoint *bpt)); | |
637b1661 | 874 | extern void (*interactive_hook) PARAMS ((void)); |
754e5da2 | 875 | |
479f0f18 SG |
876 | #ifdef __STDC__ |
877 | struct target_waitstatus; | |
878 | struct cmd_list_element; | |
879 | #endif | |
880 | ||
881 | extern int (*target_wait_hook) PARAMS ((int pid, | |
882 | struct target_waitstatus *status)); | |
883 | ||
884 | extern void (*call_command_hook) PARAMS ((struct cmd_list_element *c, | |
885 | char *cmd, int from_tty)); | |
886 | ||
754e5da2 SG |
887 | /* Inhibit window interface if non-zero. */ |
888 | ||
c5197511 | 889 | extern int use_windows; |
754e5da2 | 890 | |
d747e0af | 891 | #endif /* !defined (DEFS_H) */ |