| 1 | /* Basic, host-specific, and target-specific definitions for GDB. |
| 2 | Copyright (C) 1986, 1989, 1991 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 19 | |
| 20 | #if !defined (DEFS_H) |
| 21 | #define DEFS_H 1 |
| 22 | |
| 23 | #include <stdio.h> |
| 24 | |
| 25 | /* First include ansidecl.h so we can use the various macro definitions |
| 26 | here and in all subsequent file inclusions. */ |
| 27 | |
| 28 | #include "ansidecl.h" |
| 29 | |
| 30 | /* An address in the program being debugged. Host byte order. */ |
| 31 | typedef unsigned int CORE_ADDR; |
| 32 | |
| 33 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
| 34 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
| 35 | |
| 36 | /* The character C++ uses to build identifiers that must be unique from |
| 37 | the program's identifiers (such as $this and $$vptr). */ |
| 38 | #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */ |
| 39 | |
| 40 | #include <errno.h> /* System call error return status */ |
| 41 | |
| 42 | extern int quit_flag; |
| 43 | extern int immediate_quit; |
| 44 | |
| 45 | extern void |
| 46 | quit PARAMS ((void)); |
| 47 | |
| 48 | #define QUIT { if (quit_flag) quit (); } |
| 49 | |
| 50 | /* Notes on classes: class_alias is for alias commands which are not |
| 51 | abbreviations of the original command. */ |
| 52 | |
| 53 | enum command_class |
| 54 | { |
| 55 | /* Special args to help_list */ |
| 56 | all_classes = -2, all_commands = -1, |
| 57 | /* Classes of commands */ |
| 58 | no_class = -1, class_run = 0, class_vars, class_stack, |
| 59 | class_files, class_support, class_info, class_breakpoint, |
| 60 | class_alias, class_obscure, class_user, class_maintenance |
| 61 | }; |
| 62 | |
| 63 | /* the cleanup list records things that have to be undone |
| 64 | if an error happens (descriptors to be closed, memory to be freed, etc.) |
| 65 | Each link in the chain records a function to call and an |
| 66 | argument to give it. |
| 67 | |
| 68 | Use make_cleanup to add an element to the cleanup chain. |
| 69 | Use do_cleanups to do all cleanup actions back to a given |
| 70 | point in the chain. Use discard_cleanups to remove cleanups |
| 71 | from the chain back to a given point, not doing them. */ |
| 72 | |
| 73 | struct cleanup |
| 74 | { |
| 75 | struct cleanup *next; |
| 76 | void (*function) PARAMS ((PTR)); |
| 77 | PTR arg; |
| 78 | }; |
| 79 | |
| 80 | /* From blockframe.c */ |
| 81 | |
| 82 | extern int |
| 83 | inside_entry_func PARAMS ((CORE_ADDR)); |
| 84 | |
| 85 | extern int |
| 86 | inside_entry_file PARAMS ((CORE_ADDR addr)); |
| 87 | |
| 88 | extern int |
| 89 | inside_main_func PARAMS ((CORE_ADDR pc)); |
| 90 | |
| 91 | /* From cplus-dem.c */ |
| 92 | |
| 93 | extern char * |
| 94 | cplus_demangle PARAMS ((const char *, int)); |
| 95 | |
| 96 | extern char * |
| 97 | cplus_mangle_opname PARAMS ((char *, int)); |
| 98 | |
| 99 | /* From libmmalloc.a (memory mapped malloc library) */ |
| 100 | |
| 101 | extern PTR |
| 102 | mmalloc_attach PARAMS ((int, PTR)); |
| 103 | |
| 104 | extern PTR |
| 105 | mmalloc_detach PARAMS ((PTR)); |
| 106 | |
| 107 | extern PTR |
| 108 | mmalloc PARAMS ((PTR, long)); |
| 109 | |
| 110 | extern PTR |
| 111 | mrealloc PARAMS ((PTR, PTR, long)); |
| 112 | |
| 113 | extern void |
| 114 | mfree PARAMS ((PTR, PTR)); |
| 115 | |
| 116 | extern int |
| 117 | mmalloc_setkey PARAMS ((PTR, int, PTR)); |
| 118 | |
| 119 | extern PTR |
| 120 | mmalloc_getkey PARAMS ((PTR, int)); |
| 121 | |
| 122 | /* From utils.c */ |
| 123 | |
| 124 | extern char * |
| 125 | demangle_and_match PARAMS ((const char *, const char *, int)); |
| 126 | |
| 127 | extern int |
| 128 | strcmp_iw PARAMS ((const char *, const char *)); |
| 129 | |
| 130 | extern char * |
| 131 | safe_strerror PARAMS ((int)); |
| 132 | |
| 133 | extern char * |
| 134 | safe_strsignal PARAMS ((int)); |
| 135 | |
| 136 | extern void |
| 137 | init_malloc PARAMS ((PTR)); |
| 138 | |
| 139 | extern void |
| 140 | request_quit PARAMS ((int)); |
| 141 | |
| 142 | extern void |
| 143 | do_cleanups PARAMS ((struct cleanup *)); |
| 144 | |
| 145 | extern void |
| 146 | discard_cleanups PARAMS ((struct cleanup *)); |
| 147 | |
| 148 | /* The bare make_cleanup function is one of those rare beasts that |
| 149 | takes almost any type of function as the first arg and anything that |
| 150 | will fit in a "void *" as the second arg. |
| 151 | |
| 152 | Should be, once all calls and called-functions are cleaned up: |
| 153 | extern struct cleanup * |
| 154 | make_cleanup PARAMS ((void (*function) (PTR), PTR)); |
| 155 | |
| 156 | Until then, lint and/or various type-checking compiler options will |
| 157 | complain about make_cleanup calls. It'd be wrong to just cast things, |
| 158 | since the type actually passed when the function is called would be |
| 159 | wrong. */ |
| 160 | |
| 161 | extern struct cleanup * |
| 162 | make_cleanup (); |
| 163 | |
| 164 | extern struct cleanup * |
| 165 | save_cleanups PARAMS ((void)); |
| 166 | |
| 167 | extern void |
| 168 | restore_cleanups PARAMS ((struct cleanup *)); |
| 169 | |
| 170 | extern void |
| 171 | free_current_contents PARAMS ((char **)); |
| 172 | |
| 173 | extern void |
| 174 | null_cleanup PARAMS ((char **)); |
| 175 | |
| 176 | extern int |
| 177 | myread PARAMS ((int, char *, int)); |
| 178 | |
| 179 | extern int |
| 180 | query (); |
| 181 | |
| 182 | extern void |
| 183 | wrap_here PARAMS ((char *)); |
| 184 | |
| 185 | extern void |
| 186 | reinitialize_more_filter PARAMS ((void)); |
| 187 | |
| 188 | extern int |
| 189 | print_insn PARAMS ((CORE_ADDR, FILE *)); |
| 190 | |
| 191 | extern void |
| 192 | fputs_filtered PARAMS ((const char *, FILE *)); |
| 193 | |
| 194 | extern void |
| 195 | puts_filtered PARAMS ((char *)); |
| 196 | |
| 197 | extern void |
| 198 | fprintf_filtered (); |
| 199 | |
| 200 | extern void |
| 201 | printf_filtered (); |
| 202 | |
| 203 | extern void |
| 204 | print_spaces PARAMS ((int, FILE *)); |
| 205 | |
| 206 | extern void |
| 207 | print_spaces_filtered PARAMS ((int, FILE *)); |
| 208 | |
| 209 | extern char * |
| 210 | n_spaces PARAMS ((int)); |
| 211 | |
| 212 | extern void |
| 213 | printchar PARAMS ((int, FILE *, int)); |
| 214 | |
| 215 | extern char * |
| 216 | strdup_demangled PARAMS ((const char *)); |
| 217 | |
| 218 | extern void |
| 219 | fprint_symbol PARAMS ((FILE *, char *)); |
| 220 | |
| 221 | extern void |
| 222 | fputs_demangled PARAMS ((char *, FILE *, int)); |
| 223 | |
| 224 | extern void |
| 225 | perror_with_name PARAMS ((char *)); |
| 226 | |
| 227 | extern void |
| 228 | print_sys_errmsg PARAMS ((char *, int)); |
| 229 | |
| 230 | /* From regex.c */ |
| 231 | |
| 232 | extern char * |
| 233 | re_comp PARAMS ((char *)); |
| 234 | |
| 235 | /* From symfile.c */ |
| 236 | |
| 237 | extern void |
| 238 | symbol_file_command PARAMS ((char *, int)); |
| 239 | |
| 240 | /* From main.c */ |
| 241 | |
| 242 | extern char * |
| 243 | skip_quoted PARAMS ((char *)); |
| 244 | |
| 245 | extern char * |
| 246 | gdb_readline PARAMS ((char *)); |
| 247 | |
| 248 | extern char * |
| 249 | command_line_input PARAMS ((char *, int)); |
| 250 | |
| 251 | extern void |
| 252 | print_prompt PARAMS ((void)); |
| 253 | |
| 254 | extern int |
| 255 | batch_mode PARAMS ((void)); |
| 256 | |
| 257 | extern int |
| 258 | input_from_terminal_p PARAMS ((void)); |
| 259 | |
| 260 | extern int |
| 261 | catch_errors PARAMS ((int (*) (char *), char *, char *)); |
| 262 | |
| 263 | /* From printcmd.c */ |
| 264 | |
| 265 | extern void |
| 266 | set_next_address PARAMS ((CORE_ADDR)); |
| 267 | |
| 268 | extern void |
| 269 | print_address_symbolic PARAMS ((CORE_ADDR, FILE *, int, char *)); |
| 270 | |
| 271 | extern void |
| 272 | print_address PARAMS ((CORE_ADDR, FILE *)); |
| 273 | |
| 274 | /* From source.c */ |
| 275 | |
| 276 | extern int |
| 277 | openp PARAMS ((char *, int, char *, int, int, char **)); |
| 278 | |
| 279 | extern void |
| 280 | mod_path PARAMS ((char *, char **)); |
| 281 | |
| 282 | extern void |
| 283 | directory_command PARAMS ((char *, int)); |
| 284 | |
| 285 | extern void |
| 286 | init_source_path PARAMS ((void)); |
| 287 | |
| 288 | /* From findvar.c */ |
| 289 | |
| 290 | extern int |
| 291 | read_relative_register_raw_bytes PARAMS ((int, char *)); |
| 292 | |
| 293 | /* From readline (but not in any readline .h files). */ |
| 294 | |
| 295 | extern char * |
| 296 | tilde_expand PARAMS ((char *)); |
| 297 | |
| 298 | /* Structure for saved commands lines |
| 299 | (for breakpoints, defined commands, etc). */ |
| 300 | |
| 301 | struct command_line |
| 302 | { |
| 303 | struct command_line *next; |
| 304 | char *line; |
| 305 | }; |
| 306 | |
| 307 | extern struct command_line * |
| 308 | read_command_lines PARAMS ((void)); |
| 309 | |
| 310 | extern void |
| 311 | free_command_lines PARAMS ((struct command_line **)); |
| 312 | |
| 313 | /* String containing the current directory (what getwd would return). */ |
| 314 | |
| 315 | extern char *current_directory; |
| 316 | |
| 317 | /* Default radixes for input and output. Only some values supported. */ |
| 318 | extern unsigned input_radix; |
| 319 | extern unsigned output_radix; |
| 320 | |
| 321 | /* Baud rate specified for communication with serial target systems. */ |
| 322 | extern char *baud_rate; |
| 323 | |
| 324 | /* Languages represented in the symbol table and elsewhere. */ |
| 325 | |
| 326 | enum language |
| 327 | { |
| 328 | language_unknown, /* Language not known */ |
| 329 | language_auto, /* Placeholder for automatic setting */ |
| 330 | language_c, /* C */ |
| 331 | language_cplus, /* C++ */ |
| 332 | language_m2 /* Modula-2 */ |
| 333 | }; |
| 334 | |
| 335 | /* Return a format string for printf that will print a number in the local |
| 336 | (language-specific) hexadecimal format. Result is static and is |
| 337 | overwritten by the next call. local_hex_format_custom takes printf |
| 338 | options like "08" or "l" (to produce e.g. %08x or %lx). */ |
| 339 | |
| 340 | #define local_hex_format() (current_language->la_hex_format) |
| 341 | |
| 342 | extern char * |
| 343 | local_hex_format_custom PARAMS ((char *)); /* language.c */ |
| 344 | |
| 345 | /* Return a string that contains a number formatted in the local |
| 346 | (language-specific) hexadecimal format. Result is static and is |
| 347 | overwritten by the next call. local_hex_string_custom takes printf |
| 348 | options like "08" or "l". */ |
| 349 | |
| 350 | extern char * |
| 351 | local_hex_string PARAMS ((int)); /* language.c */ |
| 352 | |
| 353 | extern char * |
| 354 | local_hex_string_custom PARAMS ((int, char *)); /* language.c */ |
| 355 | |
| 356 | \f |
| 357 | /* Host machine definition. This will be a symlink to one of the |
| 358 | xm-*.h files, built by the `configure' script. */ |
| 359 | |
| 360 | #include "xm.h" |
| 361 | |
| 362 | /* If the xm.h file did not define the mode string used to open the |
| 363 | files, assume that binary files are opened the same way as text |
| 364 | files */ |
| 365 | #ifndef FOPEN_RB |
| 366 | #include "fopen-same.h" |
| 367 | #endif |
| 368 | |
| 369 | /* |
| 370 | * Allow things in gdb to be declared "const". If compiling ANSI, it |
| 371 | * just works. If compiling with gcc but non-ansi, redefine to __const__. |
| 372 | * If non-ansi, non-gcc, then eliminate "const" entirely, making those |
| 373 | * objects be read-write rather than read-only. |
| 374 | */ |
| 375 | |
| 376 | #ifndef const |
| 377 | #ifndef __STDC__ |
| 378 | # ifdef __GNUC__ |
| 379 | # define const __const__ |
| 380 | # else |
| 381 | # define const /*nothing*/ |
| 382 | # endif /* GNUC */ |
| 383 | #endif /* STDC */ |
| 384 | #endif /* const */ |
| 385 | |
| 386 | #ifndef volatile |
| 387 | #ifndef __STDC__ |
| 388 | # ifdef __GNUC__ |
| 389 | # define volatile __volatile__ |
| 390 | # else |
| 391 | # define volatile /*nothing*/ |
| 392 | # endif /* GNUC */ |
| 393 | #endif /* STDC */ |
| 394 | #endif /* volatile */ |
| 395 | |
| 396 | /* Some compilers (many AT&T SVR4 compilers for instance), do not accept |
| 397 | declarations of functions that never return (exit for instance) as |
| 398 | "volatile void". For such compilers "NORETURN" can be defined away |
| 399 | to keep them happy */ |
| 400 | |
| 401 | #ifndef NORETURN |
| 402 | # ifdef __lucid |
| 403 | # define NORETURN /*nothing*/ |
| 404 | # else |
| 405 | # define NORETURN volatile |
| 406 | # endif |
| 407 | #endif |
| 408 | |
| 409 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */ |
| 410 | |
| 411 | #if !defined (UINT_MAX) |
| 412 | #define UINT_MAX 0xffffffff |
| 413 | #endif |
| 414 | |
| 415 | #if !defined (LONG_MAX) |
| 416 | #define LONG_MAX 0x7fffffff |
| 417 | #endif |
| 418 | |
| 419 | #if !defined (INT_MAX) |
| 420 | #define INT_MAX 0x7fffffff |
| 421 | #endif |
| 422 | |
| 423 | #if !defined (INT_MIN) |
| 424 | /* Two's complement, 32 bit. */ |
| 425 | #define INT_MIN -0x80000000 |
| 426 | #endif |
| 427 | |
| 428 | /* Number of bits in a char or unsigned char for the target machine. |
| 429 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ |
| 430 | #if !defined (TARGET_CHAR_BIT) |
| 431 | #define TARGET_CHAR_BIT 8 |
| 432 | #endif |
| 433 | |
| 434 | /* Number of bits in a short or unsigned short for the target machine. */ |
| 435 | #if !defined (TARGET_SHORT_BIT) |
| 436 | #define TARGET_SHORT_BIT (sizeof (short) * TARGET_CHAR_BIT) |
| 437 | #endif |
| 438 | |
| 439 | /* Number of bits in an int or unsigned int for the target machine. */ |
| 440 | #if !defined (TARGET_INT_BIT) |
| 441 | #define TARGET_INT_BIT (sizeof (int) * TARGET_CHAR_BIT) |
| 442 | #endif |
| 443 | |
| 444 | /* Number of bits in a long or unsigned long for the target machine. */ |
| 445 | #if !defined (TARGET_LONG_BIT) |
| 446 | #define TARGET_LONG_BIT (sizeof (long) * TARGET_CHAR_BIT) |
| 447 | #endif |
| 448 | |
| 449 | /* Number of bits in a long long or unsigned long long for the target machine. */ |
| 450 | #if !defined (TARGET_LONG_LONG_BIT) |
| 451 | #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT) |
| 452 | #endif |
| 453 | |
| 454 | /* Number of bits in a float for the target machine. */ |
| 455 | #if !defined (TARGET_FLOAT_BIT) |
| 456 | #define TARGET_FLOAT_BIT (sizeof (float) * TARGET_CHAR_BIT) |
| 457 | #endif |
| 458 | |
| 459 | /* Number of bits in a double for the target machine. */ |
| 460 | #if !defined (TARGET_DOUBLE_BIT) |
| 461 | #define TARGET_DOUBLE_BIT (sizeof (double) * TARGET_CHAR_BIT) |
| 462 | #endif |
| 463 | |
| 464 | /* Number of bits in a long double for the target machine. */ |
| 465 | #if !defined (TARGET_LONG_DOUBLE_BIT) |
| 466 | #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT) |
| 467 | #endif |
| 468 | |
| 469 | /* Number of bits in a "complex" for the target machine. */ |
| 470 | #if !defined (TARGET_COMPLEX_BIT) |
| 471 | #define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT) |
| 472 | #endif |
| 473 | |
| 474 | /* Number of bits in a "double complex" for the target machine. */ |
| 475 | #if !defined (TARGET_DOUBLE_COMPLEX_BIT) |
| 476 | #define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT) |
| 477 | #endif |
| 478 | |
| 479 | /* Number of bits in a pointer for the target machine */ |
| 480 | #if !defined (TARGET_PTR_BIT) |
| 481 | #define TARGET_PTR_BIT TARGET_INT_BIT |
| 482 | #endif |
| 483 | |
| 484 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number |
| 485 | of arguments to a function, number in a value history, register |
| 486 | number, etc.) where the value must not be larger than can fit |
| 487 | in an int. */ |
| 488 | #if !defined (longest_to_int) |
| 489 | #if defined (LONG_LONG) |
| 490 | #define longest_to_int(x) (((x) > INT_MAX || (x) < INT_MIN) \ |
| 491 | ? (error ("Value out of range."),0) : (int) (x)) |
| 492 | #else /* No LONG_LONG. */ |
| 493 | /* Assume sizeof (int) == sizeof (long). */ |
| 494 | #define longest_to_int(x) ((int) (x)) |
| 495 | #endif /* No LONG_LONG. */ |
| 496 | #endif /* No longest_to_int. */ |
| 497 | |
| 498 | /* This should not be a typedef, because "unsigned LONGEST" needs |
| 499 | to work. LONG_LONG is defined if the host has "long long". */ |
| 500 | |
| 501 | #ifndef LONGEST |
| 502 | # ifdef LONG_LONG |
| 503 | # define LONGEST long long |
| 504 | # else |
| 505 | # define LONGEST long |
| 506 | # endif |
| 507 | #endif |
| 508 | |
| 509 | /* Assorted functions we can declare, now that const and volatile are |
| 510 | defined. */ |
| 511 | |
| 512 | extern char * |
| 513 | savestring PARAMS ((const char *, int)); |
| 514 | |
| 515 | extern char * |
| 516 | msavestring PARAMS ((void *, const char *, int)); |
| 517 | |
| 518 | extern char * |
| 519 | strsave PARAMS ((const char *)); |
| 520 | |
| 521 | extern char * |
| 522 | mstrsave PARAMS ((void *, const char *)); |
| 523 | |
| 524 | extern char * |
| 525 | concat PARAMS ((char *, ...)); |
| 526 | |
| 527 | extern PTR |
| 528 | xmalloc PARAMS ((long)); |
| 529 | |
| 530 | extern PTR |
| 531 | xrealloc PARAMS ((PTR, long)); |
| 532 | |
| 533 | extern PTR |
| 534 | xmmalloc PARAMS ((PTR, long)); |
| 535 | |
| 536 | extern PTR |
| 537 | xmrealloc PARAMS ((PTR, PTR, long)); |
| 538 | |
| 539 | extern PTR |
| 540 | mmalloc PARAMS ((PTR, long)); |
| 541 | |
| 542 | extern PTR |
| 543 | mrealloc PARAMS ((PTR, PTR, long)); |
| 544 | |
| 545 | extern void |
| 546 | mfree PARAMS ((PTR, PTR)); |
| 547 | |
| 548 | extern int |
| 549 | mmcheck PARAMS ((PTR, void (*) (void))); |
| 550 | |
| 551 | extern int |
| 552 | mmtrace PARAMS ((void)); |
| 553 | |
| 554 | extern int |
| 555 | parse_escape PARAMS ((char **)); |
| 556 | |
| 557 | extern const char * const reg_names[]; |
| 558 | |
| 559 | extern NORETURN void /* Does not return to the caller. */ |
| 560 | error (); |
| 561 | |
| 562 | extern NORETURN void /* Does not return to the caller. */ |
| 563 | fatal (); |
| 564 | |
| 565 | extern NORETURN void /* Not specified as volatile in ... */ |
| 566 | exit PARAMS ((int)); /* 4.10.4.3 */ |
| 567 | |
| 568 | extern NORETURN void /* Does not return to the caller. */ |
| 569 | nomem PARAMS ((long)); |
| 570 | |
| 571 | extern NORETURN void /* Does not return to the caller. */ |
| 572 | return_to_top_level PARAMS ((void)); |
| 573 | |
| 574 | extern void |
| 575 | warning_setup PARAMS ((void)); |
| 576 | |
| 577 | extern void |
| 578 | warning (); |
| 579 | |
| 580 | /* Global functions from other, non-gdb GNU thingies (libiberty for |
| 581 | instance) */ |
| 582 | |
| 583 | extern char * |
| 584 | basename PARAMS ((char *)); |
| 585 | |
| 586 | extern char * |
| 587 | getenv PARAMS ((CONST char *)); |
| 588 | |
| 589 | extern char ** |
| 590 | buildargv PARAMS ((char *)); |
| 591 | |
| 592 | extern void |
| 593 | freeargv PARAMS ((char **)); |
| 594 | |
| 595 | extern char * |
| 596 | strerrno PARAMS ((int)); |
| 597 | |
| 598 | extern char * |
| 599 | strsigno PARAMS ((int)); |
| 600 | |
| 601 | extern int |
| 602 | errno_max PARAMS ((void)); |
| 603 | |
| 604 | extern int |
| 605 | signo_max PARAMS ((void)); |
| 606 | |
| 607 | extern int |
| 608 | strtoerrno PARAMS ((char *)); |
| 609 | |
| 610 | extern int |
| 611 | strtosigno PARAMS ((char *)); |
| 612 | |
| 613 | extern char * |
| 614 | strsignal PARAMS ((int)); |
| 615 | |
| 616 | /* From other system libraries */ |
| 617 | |
| 618 | #ifndef PSIGNAL_IN_SIGNAL_H |
| 619 | extern void |
| 620 | psignal PARAMS ((unsigned, char *)); |
| 621 | #endif |
| 622 | |
| 623 | /* For now, we can't include <stdlib.h> because it conflicts with |
| 624 | "../include/getopt.h". (FIXME) |
| 625 | |
| 626 | However, if a function is defined in the ANSI C standard and a prototype |
| 627 | for that function is defined and visible in any header file in an ANSI |
| 628 | conforming environment, then that prototype must match the definition in |
| 629 | the ANSI standard. So we can just duplicate them here without conflict, |
| 630 | since they must be the same in all conforming ANSI environments. If |
| 631 | these cause problems, then the environment is not ANSI conformant. */ |
| 632 | |
| 633 | #ifdef __STDC__ |
| 634 | #include <stddef.h> |
| 635 | #endif |
| 636 | |
| 637 | extern int |
| 638 | fclose PARAMS ((FILE *stream)); /* 4.9.5.1 */ |
| 639 | |
| 640 | extern void |
| 641 | perror PARAMS ((const char *)); /* 4.9.10.4 */ |
| 642 | |
| 643 | extern double |
| 644 | atof PARAMS ((const char *nptr)); /* 4.10.1.1 */ |
| 645 | |
| 646 | extern int |
| 647 | atoi PARAMS ((const char *)); /* 4.10.1.2 */ |
| 648 | |
| 649 | #ifndef MALLOC_INCOMPATIBLE |
| 650 | |
| 651 | extern PTR |
| 652 | malloc PARAMS ((size_t size)); /* 4.10.3.3 */ |
| 653 | |
| 654 | extern PTR |
| 655 | realloc PARAMS ((void *ptr, size_t size)); /* 4.10.3.4 */ |
| 656 | |
| 657 | extern void |
| 658 | free PARAMS ((void *)); /* 4.10.3.2 */ |
| 659 | |
| 660 | #endif /* MALLOC_INCOMPATIBLE */ |
| 661 | |
| 662 | extern void |
| 663 | qsort PARAMS ((void *base, size_t nmemb, /* 4.10.5.2 */ |
| 664 | size_t size, |
| 665 | int (*comp)(const void *, const void *))); |
| 666 | |
| 667 | #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */ |
| 668 | extern PTR |
| 669 | memcpy PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */ |
| 670 | #endif |
| 671 | |
| 672 | extern int |
| 673 | memcmp PARAMS ((const void *, const void *, size_t)); /* 4.11.4.1 */ |
| 674 | |
| 675 | extern char * |
| 676 | strchr PARAMS ((const char *, int)); /* 4.11.5.2 */ |
| 677 | |
| 678 | extern char * |
| 679 | strrchr PARAMS ((const char *, int)); /* 4.11.5.5 */ |
| 680 | |
| 681 | extern char * |
| 682 | strstr PARAMS ((const char *, const char *)); /* 4.11.5.7 */ |
| 683 | |
| 684 | extern char * |
| 685 | strtok PARAMS ((char *, const char *)); /* 4.11.5.8 */ |
| 686 | |
| 687 | #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */ |
| 688 | extern PTR |
| 689 | memset PARAMS ((void *, int, size_t)); /* 4.11.6.1 */ |
| 690 | #endif |
| 691 | |
| 692 | extern char * |
| 693 | strerror PARAMS ((int)); /* 4.11.6.2 */ |
| 694 | |
| 695 | /* Various possibilities for alloca. */ |
| 696 | #ifndef alloca |
| 697 | # ifdef __GNUC__ |
| 698 | # define alloca __builtin_alloca |
| 699 | # else |
| 700 | # ifdef sparc |
| 701 | # include <alloca.h> /* NOTE: Doesn't declare alloca() */ |
| 702 | # endif |
| 703 | # ifdef __STDC__ |
| 704 | extern void *alloca (size_t); |
| 705 | # else /* __STDC__ */ |
| 706 | extern char *alloca (); |
| 707 | # endif |
| 708 | # endif |
| 709 | #endif |
| 710 | |
| 711 | /* TARGET_BYTE_ORDER and HOST_BYTE_ORDER must be defined to one of these. */ |
| 712 | |
| 713 | #if !defined (BIG_ENDIAN) |
| 714 | #define BIG_ENDIAN 4321 |
| 715 | #endif |
| 716 | |
| 717 | #if !defined (LITTLE_ENDIAN) |
| 718 | #define LITTLE_ENDIAN 1234 |
| 719 | #endif |
| 720 | |
| 721 | /* Target-system-dependent parameters for GDB. |
| 722 | |
| 723 | The standard thing is to include defs.h. However, files that are |
| 724 | specific to a particular target can define TM_FILE_OVERRIDE before |
| 725 | including defs.h, then can include any particular tm-file they desire. */ |
| 726 | |
| 727 | /* Target machine definition. This will be a symlink to one of the |
| 728 | tm-*.h files, built by the `configure' script. */ |
| 729 | |
| 730 | #ifndef TM_FILE_OVERRIDE |
| 731 | #include "tm.h" |
| 732 | #endif |
| 733 | |
| 734 | /* The bit byte-order has to do just with numbering of bits in |
| 735 | debugging symbols and such. Conceptually, it's quite separate |
| 736 | from byte/word byte order. */ |
| 737 | |
| 738 | #if !defined (BITS_BIG_ENDIAN) |
| 739 | #if TARGET_BYTE_ORDER == BIG_ENDIAN |
| 740 | #define BITS_BIG_ENDIAN 1 |
| 741 | #endif /* Big endian. */ |
| 742 | |
| 743 | #if TARGET_BYTE_ORDER == LITTLE_ENDIAN |
| 744 | #define BITS_BIG_ENDIAN 0 |
| 745 | #endif /* Little endian. */ |
| 746 | #endif /* BITS_BIG_ENDIAN not defined. */ |
| 747 | |
| 748 | /* Swap LEN bytes at BUFFER between target and host byte-order. */ |
| 749 | #if TARGET_BYTE_ORDER == HOST_BYTE_ORDER |
| 750 | #define SWAP_TARGET_AND_HOST(buffer,len) |
| 751 | #else /* Target and host byte order differ. */ |
| 752 | #define SWAP_TARGET_AND_HOST(buffer,len) \ |
| 753 | { \ |
| 754 | char tmp; \ |
| 755 | char *p = (char *)(buffer); \ |
| 756 | char *q = ((char *)(buffer)) + len - 1; \ |
| 757 | for (; p < q; p++, q--) \ |
| 758 | { \ |
| 759 | tmp = *q; \ |
| 760 | *q = *p; \ |
| 761 | *p = tmp; \ |
| 762 | } \ |
| 763 | } |
| 764 | #endif /* Target and host byte order differ. */ |
| 765 | |
| 766 | /* On some machines there are bits in addresses which are not really |
| 767 | part of the address, but are used by the kernel, the hardware, etc. |
| 768 | for special purposes. ADDR_BITS_REMOVE takes out any such bits |
| 769 | so we get a "real" address such as one would find in a symbol |
| 770 | table. ADDR_BITS_SET sets those bits the way the system wants |
| 771 | them. */ |
| 772 | #if !defined (ADDR_BITS_REMOVE) |
| 773 | #define ADDR_BITS_REMOVE(addr) (addr) |
| 774 | #define ADDR_BITS_SET(addr) (addr) |
| 775 | #endif /* No ADDR_BITS_REMOVE. */ |
| 776 | |
| 777 | /* From valops.c */ |
| 778 | |
| 779 | extern CORE_ADDR |
| 780 | push_bytes PARAMS ((CORE_ADDR, char *, int)); |
| 781 | |
| 782 | /* In some modules, we don't have a definition of REGISTER_TYPE yet, so we |
| 783 | must avoid prototyping this function for now. FIXME. Should be: |
| 784 | extern CORE_ADDR |
| 785 | push_word PARAMS ((CORE_ADDR, REGISTER_TYPE)); |
| 786 | */ |
| 787 | extern CORE_ADDR |
| 788 | push_word (); |
| 789 | |
| 790 | /* Some parts of gdb might be considered optional, in the sense that they |
| 791 | are not essential for being able to build a working, usable debugger |
| 792 | for a specific environment. For example, the maintenance commands |
| 793 | are there for the benefit of gdb maintainers. As another example, |
| 794 | some environments really don't need gdb's that are able to read N |
| 795 | different object file formats. In order to make it possible (but |
| 796 | not necessarily recommended) to build "stripped down" versions of |
| 797 | gdb, the following defines control selective compilation of those |
| 798 | parts of gdb which can be safely left out when necessary. Note that |
| 799 | the default is to include everything. */ |
| 800 | |
| 801 | #ifndef MAINTENANCE_CMDS |
| 802 | #define MAINTENANCE_CMDS 1 |
| 803 | #endif |
| 804 | |
| 805 | #endif /* !defined (DEFS_H) */ |