1 /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it 2 for now. */ 3 /* Basic, host-specific, and target-specific definitions for GDB. 4 Copyright (C) 1986, 1988-2005, 2007-2012 Free Software Foundation, 5 Inc. 6 7 This file is part of GDB. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 21 22 #ifndef DEFS_H 23 #define DEFS_H 24 25 #ifdef GDBSERVER 26 # error gdbserver should not include gdb/defs.h 27 #endif 28 29 #include "config.h" /* Generated by configure. */ 30 31 #include <sys/types.h> 32 #include <stdio.h> 33 #include <errno.h> /* System call error return status. */ 34 #include <limits.h> 35 #include <stdint.h> 36 37 /* The libdecnumber library, on which GDB depends, includes a header file 38 called gstdint.h instead of relying directly on stdint.h. GDB, on the 39 other hand, includes stdint.h directly, relying on the fact that gnulib 40 generates a copy if the system doesn't provide one or if it is missing 41 some features. Unfortunately, gstdint.h and stdint.h cannot be included 42 at the same time, which may happen when we include a file from 43 libdecnumber. 44 45 The following macro definition effectively prevents the inclusion of 46 gstdint.h, as all the definitions it provides are guarded against 47 the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h 48 included, so it's ok to blank out gstdint.h. */ 49 #define GCC_GENERATED_STDINT_H 1 50 51 #ifdef HAVE_STDDEF_H 52 #include <stddef.h> 53 #endif 54 55 #ifdef HAVE_UNISTD_H 56 #include <unistd.h> 57 #endif 58 59 #include <fcntl.h> 60 61 /* First include ansidecl.h so we can use the various macro definitions 62 here and in all subsequent file inclusions. */ 63 64 #include "ansidecl.h" 65 66 #include "gdb_locale.h" 67 68 #include "gdb_wchar.h" 69 70 /* For ``enum target_signal''. */ 71 #include "gdb/signals.h" 72 73 /* Just in case they're not defined in stdio.h. */ 74 75 #ifndef SEEK_SET 76 #define SEEK_SET 0 77 #endif 78 #ifndef SEEK_CUR 79 #define SEEK_CUR 1 80 #endif 81 82 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms. 83 It is used as an access modifier in calls to open(), where it acts 84 similarly to the "b" character in fopen()'s MODE argument. On Posix 85 platforms it should be a no-op, so it is defined as 0 here. This 86 ensures that the symbol may be used freely elsewhere in gdb. */ 87 88 #ifndef O_BINARY 89 #define O_BINARY 0 90 #endif 91 92 #include <stdarg.h> /* For va_list. */ 93 94 #include "libiberty.h" 95 #include "hashtab.h" 96 97 /* Rather than duplicate all the logic in BFD for figuring out what 98 types to use (which can be pretty complicated), symply define them 99 in terms of the corresponding type from BFD. */ 100 101 #include "bfd.h" 102 103 /* A byte from the program being debugged. */ 104 typedef bfd_byte gdb_byte; 105 106 /* An address in the program being debugged. Host byte order. */ 107 typedef bfd_vma CORE_ADDR; 108 109 /* The largest CORE_ADDR value. */ 110 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0) 111 112 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */ 113 114 #ifndef LONGEST 115 116 #ifdef BFD64 117 118 #define LONGEST BFD_HOST_64_BIT 119 #define ULONGEST BFD_HOST_U_64_BIT 120 121 #else /* No BFD64 */ 122 123 #ifdef CC_HAS_LONG_LONG 124 #define LONGEST long long 125 #define ULONGEST unsigned long long 126 #else 127 #ifdef BFD_HOST_64_BIT 128 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long 129 (e.g. i386-windows) so try it. */ 130 #define LONGEST BFD_HOST_64_BIT 131 #define ULONGEST BFD_HOST_U_64_BIT 132 #else 133 #define LONGEST long 134 #define ULONGEST unsigned long 135 #endif 136 #endif 137 138 #endif /* No BFD64 */ 139 140 #endif /* ! LONGEST */ 141 142 #ifndef min 143 #define min(a, b) ((a) < (b) ? (a) : (b)) 144 #endif 145 #ifndef max 146 #define max(a, b) ((a) > (b) ? (a) : (b)) 147 #endif 148 149 #include "ptid.h" 150 151 /* Enable xdb commands if set. */ 152 extern int xdb_commands; 153 154 /* Enable dbx commands if set. */ 155 extern int dbx_commands; 156 157 /* System root path, used to find libraries etc. */ 158 extern char *gdb_sysroot; 159 160 /* GDB datadir, used to store data files. */ 161 extern char *gdb_datadir; 162 163 /* If non-NULL, the possibly relocated path to python's "lib" directory 164 specified with --with-python. */ 165 extern char *python_libdir; 166 167 /* Search path for separate debug files. */ 168 extern char *debug_file_directory; 169 170 extern int quit_flag; 171 extern int immediate_quit; 172 extern int sevenbit_strings; 173 174 extern void quit (void); 175 176 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance 177 benefits of having a ``QUIT'' macro rather than a function are 178 marginal. If the overhead of a QUIT function call is proving 179 significant then its calling frequency should probably be reduced 180 [kingdon]. A profile analyzing the current situtation is 181 needed. */ 182 183 #define QUIT { \ 184 if (quit_flag) quit (); \ 185 if (deprecated_interactive_hook) deprecated_interactive_hook (); \ 186 } 187 188 /* Languages represented in the symbol table and elsewhere. 189 This should probably be in language.h, but since enum's can't 190 be forward declared to satisfy opaque references before their 191 actual definition, needs to be here. */ 192 193 enum language 194 { 195 language_unknown, /* Language not known */ 196 language_auto, /* Placeholder for automatic setting */ 197 language_c, /* C */ 198 language_cplus, /* C++ */ 199 language_d, /* D */ 200 language_objc, /* Objective-C */ 201 language_java, /* Java */ 202 language_fortran, /* Fortran */ 203 language_m2, /* Modula-2 */ 204 language_asm, /* Assembly language */ 205 language_pascal, /* Pascal */ 206 language_ada, /* Ada */ 207 language_opencl, /* OpenCL */ 208 language_minimal, /* All other languages, minimal support only */ 209 nr_languages 210 }; 211 212 enum precision_type 213 { 214 single_precision, 215 double_precision, 216 unspecified_precision 217 }; 218 219 /* A generic, not quite boolean, enumeration. */ 220 enum auto_boolean 221 { 222 AUTO_BOOLEAN_TRUE, 223 AUTO_BOOLEAN_FALSE, 224 AUTO_BOOLEAN_AUTO 225 }; 226 227 /* Potential ways that a function can return a value of a given type. */ 228 enum return_value_convention 229 { 230 /* Where the return value has been squeezed into one or more 231 registers. */ 232 RETURN_VALUE_REGISTER_CONVENTION, 233 /* Commonly known as the "struct return convention". The caller 234 passes an additional hidden first parameter to the caller. That 235 parameter contains the address at which the value being returned 236 should be stored. While typically, and historically, used for 237 large structs, this is convention is applied to values of many 238 different types. */ 239 RETURN_VALUE_STRUCT_CONVENTION, 240 /* Like the "struct return convention" above, but where the ABI 241 guarantees that the called function stores the address at which 242 the value being returned is stored in a well-defined location, 243 such as a register or memory slot in the stack frame. Don't use 244 this if the ABI doesn't explicitly guarantees this. */ 245 RETURN_VALUE_ABI_RETURNS_ADDRESS, 246 /* Like the "struct return convention" above, but where the ABI 247 guarantees that the address at which the value being returned is 248 stored will be available in a well-defined location, such as a 249 register or memory slot in the stack frame. Don't use this if 250 the ABI doesn't explicitly guarantees this. */ 251 RETURN_VALUE_ABI_PRESERVES_ADDRESS, 252 }; 253 254 /* the cleanup list records things that have to be undone 255 if an error happens (descriptors to be closed, memory to be freed, etc.) 256 Each link in the chain records a function to call and an 257 argument to give it. 258 259 Use make_cleanup to add an element to the cleanup chain. 260 Use do_cleanups to do all cleanup actions back to a given 261 point in the chain. Use discard_cleanups to remove cleanups 262 from the chain back to a given point, not doing them. 263 264 If the argument is pointer to allocated memory, then you need 265 to additionally set the 'free_arg' member to a function that will 266 free that memory. This function will be called both when the cleanup 267 is executed and when it's discarded. */ 268 269 struct cleanup 270 { 271 struct cleanup *next; 272 void (*function) (void *); 273 void (*free_arg) (void *); 274 void *arg; 275 }; 276 277 /* vec.h-style vectors of strings want a typedef for char * or const char *. */ 278 279 typedef char * char_ptr; 280 typedef const char * const_char_ptr; 281 282 /* Needed for various prototypes */ 283 284 struct symtab; 285 struct breakpoint; 286 struct frame_info; 287 struct gdbarch; 288 struct value; 289 290 /* From main.c. */ 291 292 /* This really belong in utils.c (path-utils.c?), but it references some 293 globals that are currently only available to main.c. */ 294 extern char *relocate_gdb_directory (const char *initial, int flag); 295 296 /* From utils.c */ 297 298 extern void initialize_utils (void); 299 300 extern void notice_quit (void); 301 302 extern int strcmp_iw (const char *, const char *); 303 304 extern int strcmp_iw_ordered (const char *, const char *); 305 306 extern int streq (const char *, const char *); 307 308 extern int subset_compare (char *, char *); 309 310 extern char *safe_strerror (int); 311 312 extern void set_display_time (int); 313 314 extern void set_display_space (int); 315 316 #define ALL_CLEANUPS ((struct cleanup *)0) 317 318 extern void do_cleanups (struct cleanup *); 319 extern void do_final_cleanups (struct cleanup *); 320 321 extern void discard_cleanups (struct cleanup *); 322 extern void discard_final_cleanups (struct cleanup *); 323 extern void discard_my_cleanups (struct cleanup **, struct cleanup *); 324 325 /* NOTE: cagney/2000-03-04: This typedef is strictly for the 326 make_cleanup function declarations below. Do not use this typedef 327 as a cast when passing functions into the make_cleanup() code. 328 Instead either use a bounce function or add a wrapper function. 329 Calling a f(char*) function with f(void*) is non-portable. */ 330 typedef void (make_cleanup_ftype) (void *); 331 332 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *); 333 334 extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *, 335 void (*dtor) (void *)); 336 337 extern struct cleanup *make_cleanup_freeargv (char **); 338 339 struct dyn_string; 340 extern struct cleanup *make_cleanup_dyn_string_delete (struct dyn_string *); 341 342 struct ui_file; 343 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *); 344 345 struct ui_out; 346 extern struct cleanup * 347 make_cleanup_ui_out_redirect_pop (struct ui_out *uiout); 348 349 struct section_addr_info; 350 extern struct cleanup *(make_cleanup_free_section_addr_info 351 (struct section_addr_info *)); 352 353 extern struct cleanup *make_cleanup_close (int fd); 354 355 extern struct cleanup *make_cleanup_fclose (FILE *file); 356 357 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd); 358 359 struct obstack; 360 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack); 361 362 extern struct cleanup *make_cleanup_restore_integer (int *variable); 363 extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable); 364 365 struct target_ops; 366 extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops); 367 368 extern struct cleanup * 369 make_cleanup_restore_ui_file (struct ui_file **variable); 370 371 extern struct cleanup *make_cleanup_value_free_to_mark (struct value *); 372 extern struct cleanup *make_cleanup_value_free (struct value *); 373 374 struct so_list; 375 extern struct cleanup *make_cleanup_free_so (struct so_list *so); 376 377 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *); 378 379 extern struct cleanup *make_my_cleanup (struct cleanup **, 380 make_cleanup_ftype *, void *); 381 382 extern struct cleanup *make_cleanup_htab_delete (htab_t htab); 383 384 extern struct cleanup *make_my_cleanup2 (struct cleanup **, 385 make_cleanup_ftype *, void *, 386 void (*free_arg) (void *)); 387 388 extern struct cleanup *save_cleanups (void); 389 extern struct cleanup *save_final_cleanups (void); 390 extern struct cleanup *save_my_cleanups (struct cleanup **); 391 392 extern void restore_cleanups (struct cleanup *); 393 extern void restore_final_cleanups (struct cleanup *); 394 extern void restore_my_cleanups (struct cleanup **, struct cleanup *); 395 396 extern void free_current_contents (void *); 397 398 extern void null_cleanup (void *); 399 400 extern struct cleanup *make_command_stats_cleanup (int); 401 402 extern int myread (int, char *, int); 403 404 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2); 405 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2); 406 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2); 407 408 extern void init_page_info (void); 409 410 extern struct cleanup *make_cleanup_restore_page_info (void); 411 extern struct cleanup * 412 set_batch_flag_and_make_cleanup_restore_page_info (void); 413 414 extern char *gdb_realpath (const char *); 415 extern char *xfullpath (const char *); 416 417 extern unsigned long gnu_debuglink_crc32 (unsigned long crc, 418 unsigned char *buf, size_t len); 419 420 ULONGEST strtoulst (const char *num, const char **trailer, int base); 421 422 char *ldirname (const char *filename); 423 424 char **gdb_buildargv (const char *); 425 426 int compare_positive_ints (const void *ap, const void *bp); 427 int compare_strings (const void *ap, const void *bp); 428 429 /* A wrapper for bfd_errmsg to produce a more helpful error message 430 in the case of bfd_error_file_ambiguously recognized. 431 MATCHING, if non-NULL, is the corresponding argument to 432 bfd_check_format_matches, and will be freed. */ 433 434 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching); 435 436 extern int parse_pid_to_attach (char *args); 437 438 extern struct cleanup *make_bpstat_clear_actions_cleanup (void); 439 440 extern int producer_is_gcc_ge_4 (const char *producer); 441 442 443 /* Annotation stuff. */ 444 445 extern int annotation_level; /* in stack.c */ 446 447 extern void begin_line (void); 448 449 extern void wrap_here (char *); 450 451 extern void reinitialize_more_filter (void); 452 453 /* Normal results */ 454 extern struct ui_file *gdb_stdout; 455 /* Input stream */ 456 extern struct ui_file *gdb_stdin; 457 /* Serious error notifications */ 458 extern struct ui_file *gdb_stderr; 459 /* Log/debug/trace messages that should bypass normal stdout/stderr 460 filtering. For moment, always call this stream using 461 *_unfiltered. In the very near future that restriction shall be 462 removed - either call shall be unfiltered. (cagney 1999-06-13). */ 463 extern struct ui_file *gdb_stdlog; 464 /* Target output that should bypass normal stdout/stderr filtering. 465 For moment, always call this stream using *_unfiltered. In the 466 very near future that restriction shall be removed - either call 467 shall be unfiltered. (cagney 1999-07-02). */ 468 extern struct ui_file *gdb_stdtarg; 469 extern struct ui_file *gdb_stdtargerr; 470 extern struct ui_file *gdb_stdtargin; 471 472 #include "ui-file.h" 473 474 /* More generic printf like operations. Filtered versions may return 475 non-locally on error. */ 476 477 extern void fputs_filtered (const char *, struct ui_file *); 478 479 extern void fputs_unfiltered (const char *, struct ui_file *); 480 481 extern int fputc_filtered (int c, struct ui_file *); 482 483 extern int fputc_unfiltered (int c, struct ui_file *); 484 485 extern int putchar_filtered (int c); 486 487 extern int putchar_unfiltered (int c); 488 489 extern void puts_filtered (const char *); 490 491 extern void puts_unfiltered (const char *); 492 493 extern void puts_filtered_tabular (char *string, int width, int right); 494 495 extern void puts_debug (char *prefix, char *string, char *suffix); 496 497 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0); 498 499 extern void vfprintf_filtered (struct ui_file *, const char *, va_list) 500 ATTRIBUTE_PRINTF (2, 0); 501 502 extern void fprintf_filtered (struct ui_file *, const char *, ...) 503 ATTRIBUTE_PRINTF (2, 3); 504 505 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) 506 ATTRIBUTE_PRINTF (3, 4); 507 508 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2); 509 510 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3); 511 512 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0); 513 514 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) 515 ATTRIBUTE_PRINTF (2, 0); 516 517 extern void fprintf_unfiltered (struct ui_file *, const char *, ...) 518 ATTRIBUTE_PRINTF (2, 3); 519 520 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2); 521 522 extern void print_spaces (int, struct ui_file *); 523 524 extern void print_spaces_filtered (int, struct ui_file *); 525 526 extern char *n_spaces (int); 527 528 extern void fputstr_filtered (const char *str, int quotr, 529 struct ui_file * stream); 530 531 extern void fputstr_unfiltered (const char *str, int quotr, 532 struct ui_file * stream); 533 534 extern void fputstrn_filtered (const char *str, int n, int quotr, 535 struct ui_file * stream); 536 537 extern void fputstrn_unfiltered (const char *str, int n, int quotr, 538 struct ui_file * stream); 539 540 /* Display the host ADDR on STREAM formatted as ``0x%x''. */ 541 extern void gdb_print_host_address (const void *addr, struct ui_file *stream); 542 543 extern const char *host_address_to_string (const void *addr); 544 545 /* Convert CORE_ADDR to string in platform-specific manner. 546 This is usually formatted similar to 0x%lx. */ 547 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr); 548 549 /* Return a string representation in hexadecimal notation of ADDRESS, 550 which is suitable for printing. */ 551 552 extern const char *print_core_address (struct gdbarch *gdbarch, 553 CORE_ADDR address); 554 555 /* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */ 556 557 extern hashval_t core_addr_hash (const void *ap); 558 extern int core_addr_eq (const void *ap, const void *bp); 559 560 /* %d for LONGEST */ 561 extern char *plongest (LONGEST l); 562 /* %u for ULONGEST */ 563 extern char *pulongest (ULONGEST l); 564 565 extern char *phex (ULONGEST l, int sizeof_l); 566 extern char *phex_nz (ULONGEST l, int sizeof_l); 567 extern char *int_string (LONGEST, int, int, int, int); 568 569 /* Convert a CORE_ADDR into a HEX string with leading zeros. 570 The output from core_addr_to_string() can be passed direct to 571 string_to_core_addr(). */ 572 extern const char *core_addr_to_string (const CORE_ADDR addr); 573 extern const char *core_addr_to_string_nz (const CORE_ADDR addr); 574 extern CORE_ADDR string_to_core_addr (const char *my_string); 575 576 /* Return a string that contains a number formatted as a hex 577 string. */ 578 extern char *hex_string (LONGEST); 579 extern char *hex_string_custom (LONGEST, int); 580 581 extern void fprintf_symbol_filtered (struct ui_file *, char *, 582 enum language, int); 583 584 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN; 585 586 extern void print_sys_errmsg (const char *, int); 587 588 /* From regex.c or libc. BSD 4.4 declares this with the argument type as 589 "const char *" in unistd.h, so we can't declare the argument 590 as "char *". */ 591 592 extern char *re_comp (const char *); 593 594 /* From symfile.c */ 595 596 extern void symbol_file_command (char *, int); 597 598 /* Remote targets may wish to use this as their load function. */ 599 extern void generic_load (char *name, int from_tty); 600 601 /* Report on STREAM the performance of memory transfer operation, 602 such as 'load'. 603 DATA_COUNT is the number of bytes transferred. 604 WRITE_COUNT is the number of separate write operations, or 0, 605 if that information is not available. 606 START_TIME is the time at which an operation was started. 607 END_TIME is the time at which an operation ended. */ 608 struct timeval; 609 extern void print_transfer_performance (struct ui_file *stream, 610 unsigned long data_count, 611 unsigned long write_count, 612 const struct timeval *start_time, 613 const struct timeval *end_time); 614 615 /* From top.c */ 616 617 typedef void initialize_file_ftype (void); 618 619 extern char *skip_quoted (char *); 620 621 extern char *gdb_readline (char *); 622 623 extern char *gdb_readline_wrapper (char *); 624 625 extern char *command_line_input (char *, int, char *); 626 627 extern void print_prompt (void); 628 629 extern int input_from_terminal_p (void); 630 631 extern int info_verbose; 632 633 /* From printcmd.c */ 634 635 extern void set_next_address (struct gdbarch *, CORE_ADDR); 636 637 extern void print_address_symbolic (struct gdbarch *, CORE_ADDR, 638 struct ui_file *, int, char *); 639 640 extern int build_address_symbolic (struct gdbarch *, 641 CORE_ADDR addr, 642 int do_demangle, 643 char **name, 644 int *offset, 645 char **filename, 646 int *line, 647 int *unmapped); 648 649 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *); 650 extern const char *pc_prefix (CORE_ADDR); 651 652 /* From source.c */ 653 654 #define OPF_TRY_CWD_FIRST 0x01 655 #define OPF_SEARCH_IN_PATH 0x02 656 657 extern int openp (const char *, int, const char *, int, char **); 658 659 extern int source_full_path_of (const char *, char **); 660 661 extern void mod_path (char *, char **); 662 663 extern void add_path (char *, char **, int); 664 665 extern void directory_command (char *, int); 666 667 extern void directory_switch (char *, int); 668 669 extern char *source_path; 670 671 extern void init_source_path (void); 672 673 /* From exec.c */ 674 675 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size, 676 int read, int write, int exec, 677 void *data); 678 679 /* Take over the 'find_mapped_memory' vector from exec.c. */ 680 extern void exec_set_find_memory_regions 681 (int (*func) (find_memory_region_ftype func, void *data)); 682 683 /* Possible lvalue types. Like enum language, this should be in 684 value.h, but needs to be here for the same reason. */ 685 686 enum lval_type 687 { 688 /* Not an lval. */ 689 not_lval, 690 /* In memory. */ 691 lval_memory, 692 /* In a register. Registers are relative to a frame. */ 693 lval_register, 694 /* In a gdb internal variable. */ 695 lval_internalvar, 696 /* Part of a gdb internal variable (structure field). */ 697 lval_internalvar_component, 698 /* Value's bits are fetched and stored using functions provided by 699 its creator. */ 700 lval_computed 701 }; 702 703 /* Control types for commands */ 704 705 enum misc_command_type 706 { 707 ok_command, 708 end_command, 709 else_command, 710 nop_command 711 }; 712 713 enum command_control_type 714 { 715 simple_control, 716 break_control, 717 continue_control, 718 while_control, 719 if_control, 720 commands_control, 721 python_control, 722 while_stepping_control, 723 invalid_control 724 }; 725 726 /* Structure for saved commands lines 727 (for breakpoints, defined commands, etc). */ 728 729 struct command_line 730 { 731 struct command_line *next; 732 char *line; 733 enum command_control_type control_type; 734 /* The number of elements in body_list. */ 735 int body_count; 736 /* For composite commands, the nested lists of commands. For 737 example, for "if" command this will contain the then branch and 738 the else branch, if that is available. */ 739 struct command_line **body_list; 740 }; 741 742 extern struct command_line *read_command_lines (char *, int, int, 743 void (*)(char *, void *), 744 void *); 745 extern struct command_line *read_command_lines_1 (char * (*) (void), int, 746 void (*)(char *, void *), 747 void *); 748 749 extern void free_command_lines (struct command_line **); 750 751 /* String containing the current directory (what getwd would return). */ 752 753 extern char *current_directory; 754 755 /* Default radixes for input and output. Only some values supported. */ 756 extern unsigned input_radix; 757 extern unsigned output_radix; 758 759 /* Possibilities for prettyprint parameters to routines which print 760 things. Like enum language, this should be in value.h, but needs 761 to be here for the same reason. FIXME: If we can eliminate this 762 as an arg to LA_VAL_PRINT, then we can probably move it back to 763 value.h. */ 764 765 enum val_prettyprint 766 { 767 Val_no_prettyprint = 0, 768 Val_prettyprint, 769 /* Use the default setting which the user has specified. */ 770 Val_pretty_default 771 }; 772 773 /* Optional native machine support. Non-native (and possibly pure 774 multi-arch) targets do not need a "nm.h" file. This will be a 775 symlink to one of the nm-*.h files, built by the `configure' 776 script. */ 777 778 #ifdef GDB_NM_FILE 779 #include "nm.h" 780 #endif 781 782 /* Assume that fopen accepts the letter "b" in the mode string. 783 It is demanded by ISO C9X, and should be supported on all 784 platforms that claim to have a standard-conforming C library. On 785 true POSIX systems it will be ignored and have no effect. There 786 may still be systems without a standard-conforming C library where 787 an ISO C9X compiler (GCC) is available. Known examples are SunOS 788 4.x and 4.3BSD. This assumption means these systems are no longer 789 supported. */ 790 #ifndef FOPEN_RB 791 # include "fopen-bin.h" 792 #endif 793 794 /* Defaults for system-wide constants (if not defined by xm.h, we fake it). 795 FIXME: Assumes 2's complement arithmetic. */ 796 797 #if !defined (UINT_MAX) 798 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ 799 #endif 800 801 #if !defined (INT_MAX) 802 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ 803 #endif 804 805 #if !defined (INT_MIN) 806 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */ 807 #endif 808 809 #if !defined (ULONG_MAX) 810 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ 811 #endif 812 813 #if !defined (LONG_MAX) 814 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ 815 #endif 816 817 #if !defined (ULONGEST_MAX) 818 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */ 819 #endif 820 821 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */ 822 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1)) 823 #endif 824 825 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of 826 arguments to a function, number in a value history, register number, etc.) 827 where the value must not be larger than can fit in an int. */ 828 829 extern int longest_to_int (LONGEST); 830 831 /* Assorted functions we can declare, now that const and volatile are 832 defined. */ 833 834 extern char *savestring (const char *, size_t); 835 836 /* Utility macros to allocate typed memory. Avoids errors like: 837 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo, 838 sizeof (struct foo), 0). */ 839 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE))) 840 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE))) 841 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE))) 842 843 #include "common-utils.h" 844 845 extern int parse_escape (struct gdbarch *, char **); 846 847 /* Message to be printed before the error message, when an error occurs. */ 848 849 extern char *error_pre_print; 850 851 /* Message to be printed before the error message, when an error occurs. */ 852 853 extern char *quit_pre_print; 854 855 /* Message to be printed before the warning message, when a warning occurs. */ 856 857 extern char *warning_pre_print; 858 859 extern void verror (const char *fmt, va_list ap) 860 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0); 861 862 extern void error (const char *fmt, ...) 863 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2); 864 865 extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN; 866 867 extern void vfatal (const char *fmt, va_list ap) 868 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0); 869 870 extern void fatal (const char *fmt, ...) 871 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2); 872 873 extern void internal_verror (const char *file, int line, const char *, 874 va_list ap) 875 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0); 876 877 extern void internal_vwarning (const char *file, int line, 878 const char *, va_list ap) 879 ATTRIBUTE_PRINTF (3, 0); 880 881 extern void internal_warning (const char *file, int line, 882 const char *, ...) ATTRIBUTE_PRINTF (3, 4); 883 884 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2); 885 886 extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0); 887 888 /* List of known OS ABIs. If you change this, make sure to update the 889 table in osabi.c. */ 890 enum gdb_osabi 891 { 892 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */ 893 894 GDB_OSABI_UNKNOWN = 0, /* keep this zero */ 895 896 GDB_OSABI_SVR4, 897 GDB_OSABI_HURD, 898 GDB_OSABI_SOLARIS, 899 GDB_OSABI_OSF1, 900 GDB_OSABI_LINUX, 901 GDB_OSABI_FREEBSD_AOUT, 902 GDB_OSABI_FREEBSD_ELF, 903 GDB_OSABI_NETBSD_AOUT, 904 GDB_OSABI_NETBSD_ELF, 905 GDB_OSABI_OPENBSD_ELF, 906 GDB_OSABI_DRAGONFLY, 907 GDB_OSABI_WINCE, 908 GDB_OSABI_GO32, 909 GDB_OSABI_IRIX, 910 GDB_OSABI_INTERIX, 911 GDB_OSABI_HPUX_ELF, 912 GDB_OSABI_HPUX_SOM, 913 GDB_OSABI_QNXNTO, 914 GDB_OSABI_CYGWIN, 915 GDB_OSABI_AIX, 916 GDB_OSABI_DICOS, 917 GDB_OSABI_DARWIN, 918 GDB_OSABI_SYMBIAN, 919 920 GDB_OSABI_INVALID /* keep this last */ 921 }; 922 923 /* Global functions from other, non-gdb GNU thingies. 924 Libiberty thingies are no longer declared here. We include libiberty.h 925 above, instead. */ 926 927 /* From other system libraries */ 928 929 #ifdef HAVE_STDDEF_H 930 #include <stddef.h> 931 #endif 932 933 #ifdef HAVE_STDLIB_H 934 #include <stdlib.h> 935 #endif 936 #ifndef min 937 #define min(a, b) ((a) < (b) ? (a) : (b)) 938 #endif 939 #ifndef max 940 #define max(a, b) ((a) > (b) ? (a) : (b)) 941 #endif 942 943 944 #ifndef atof 945 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */ 946 #endif 947 948 /* Various possibilities for alloca. */ 949 #ifndef alloca 950 #ifdef __GNUC__ 951 #define alloca __builtin_alloca 952 #else /* Not GNU C */ 953 #ifdef HAVE_ALLOCA_H 954 #include <alloca.h> 955 #else 956 #ifdef _AIX 957 #pragma alloca 958 #else 959 960 /* We need to be careful not to declare this in a way which conflicts with 961 bison. Bison never declares it as char *, but under various circumstances 962 (like __hpux) we need to use void *. */ 963 extern void *alloca (); 964 #endif /* Not _AIX */ 965 #endif /* Not HAVE_ALLOCA_H */ 966 #endif /* Not GNU C */ 967 #endif /* alloca not defined */ 968 969 /* Dynamic target-system-dependent parameters for GDB. */ 970 #include "gdbarch.h" 971 972 /* Maximum size of a register. Something small, but large enough for 973 all known ISAs. If it turns out to be too small, make it bigger. */ 974 975 enum { MAX_REGISTER_SIZE = 64 }; 976 977 /* Static target-system-dependent parameters for GDB. */ 978 979 /* Number of bits in a char or unsigned char for the target machine. 980 Just like CHAR_BIT in <limits.h> but describes the target machine. */ 981 #if !defined (TARGET_CHAR_BIT) 982 #define TARGET_CHAR_BIT 8 983 #endif 984 985 /* If we picked up a copy of CHAR_BIT from a configuration file 986 (which may get it by including <limits.h>) then use it to set 987 the number of bits in a host char. If not, use the same size 988 as the target. */ 989 990 #if defined (CHAR_BIT) 991 #define HOST_CHAR_BIT CHAR_BIT 992 #else 993 #define HOST_CHAR_BIT TARGET_CHAR_BIT 994 #endif 995 996 /* In findvar.c. */ 997 998 extern LONGEST extract_signed_integer (const gdb_byte *, int, 999 enum bfd_endian); 1000 1001 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int, 1002 enum bfd_endian); 1003 1004 extern int extract_long_unsigned_integer (const gdb_byte *, int, 1005 enum bfd_endian, LONGEST *); 1006 1007 extern CORE_ADDR extract_typed_address (const gdb_byte *buf, 1008 struct type *type); 1009 1010 extern void store_signed_integer (gdb_byte *, int, 1011 enum bfd_endian, LONGEST); 1012 1013 extern void store_unsigned_integer (gdb_byte *, int, 1014 enum bfd_endian, ULONGEST); 1015 1016 extern void store_typed_address (gdb_byte *buf, struct type *type, 1017 CORE_ADDR addr); 1018 1019 1020 /* From valops.c */ 1021 1022 extern int watchdog; 1023 1024 /* Hooks for alternate command interfaces. */ 1025 1026 /* The name of the interpreter if specified on the command line. */ 1027 extern char *interpreter_p; 1028 1029 /* If a given interpreter matches INTERPRETER_P then it should update 1030 deprecated_command_loop_hook and deprecated_init_ui_hook with the 1031 per-interpreter implementation. */ 1032 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook 1033 should be moved here. */ 1034 1035 struct target_waitstatus; 1036 struct cmd_list_element; 1037 1038 extern void (*deprecated_pre_add_symbol_hook) (const char *); 1039 extern void (*deprecated_post_add_symbol_hook) (void); 1040 extern void (*selected_frame_level_changed_hook) (int); 1041 extern int (*deprecated_ui_loop_hook) (int signo); 1042 extern void (*deprecated_init_ui_hook) (char *argv0); 1043 extern void (*deprecated_command_loop_hook) (void); 1044 extern void (*deprecated_show_load_progress) (const char *section, 1045 unsigned long section_sent, 1046 unsigned long section_size, 1047 unsigned long total_sent, 1048 unsigned long total_size); 1049 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, 1050 int line, 1051 int stopline, 1052 int noerror); 1053 extern int (*deprecated_query_hook) (const char *, va_list) 1054 ATTRIBUTE_FPTR_PRINTF(1,0); 1055 extern void (*deprecated_warning_hook) (const char *, va_list) 1056 ATTRIBUTE_FPTR_PRINTF(1,0); 1057 extern void (*deprecated_flush_hook) (struct ui_file * stream); 1058 extern void (*deprecated_interactive_hook) (void); 1059 extern void (*deprecated_readline_begin_hook) (char *, ...) 1060 ATTRIBUTE_FPTR_PRINTF_1; 1061 extern char *(*deprecated_readline_hook) (char *); 1062 extern void (*deprecated_readline_end_hook) (void); 1063 extern void (*deprecated_register_changed_hook) (int regno); 1064 extern void (*deprecated_context_hook) (int); 1065 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid, 1066 struct target_waitstatus *status, 1067 int options); 1068 1069 extern void (*deprecated_attach_hook) (void); 1070 extern void (*deprecated_detach_hook) (void); 1071 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c, 1072 char *cmd, int from_tty); 1073 1074 extern void (*deprecated_set_hook) (struct cmd_list_element * c); 1075 1076 extern void (*deprecated_error_begin_hook) (void); 1077 1078 extern int (*deprecated_ui_load_progress_hook) (const char *section, 1079 unsigned long num); 1080 1081 1082 /* Inhibit window interface if non-zero. */ 1083 1084 extern int use_windows; 1085 1086 /* Definitions of filename-related things. */ 1087 1088 /* Host specific things. */ 1089 1090 #ifdef __MSDOS__ 1091 # define CANT_FORK 1092 # define GLOBAL_CURDIR 1093 # define DIRNAME_SEPARATOR ';' 1094 #endif 1095 1096 #if !defined (__CYGWIN__) && defined (_WIN32) 1097 # define DIRNAME_SEPARATOR ';' 1098 #endif 1099 1100 #ifndef DIRNAME_SEPARATOR 1101 #define DIRNAME_SEPARATOR ':' 1102 #endif 1103 1104 #ifndef SLASH_STRING 1105 #define SLASH_STRING "/" 1106 #endif 1107 1108 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID. 1109 The name ``TIDGET'' is a historical accident. Many uses of TIDGET 1110 in the code actually refer to a lightweight process id, i.e, 1111 something that can be considered a process id in its own right for 1112 certain purposes. */ 1113 1114 #ifndef PIDGET 1115 #define PIDGET(PTID) (ptid_get_pid (PTID)) 1116 #define TIDGET(PTID) (ptid_get_lwp (PTID)) 1117 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0) 1118 #endif 1119 1120 /* Define well known filenos if the system does not define them. */ 1121 #ifndef STDIN_FILENO 1122 #define STDIN_FILENO 0 1123 #endif 1124 #ifndef STDOUT_FILENO 1125 #define STDOUT_FILENO 1 1126 #endif 1127 #ifndef STDERR_FILENO 1128 #define STDERR_FILENO 2 1129 #endif 1130 1131 /* If this definition isn't overridden by the header files, assume 1132 that isatty and fileno exist on this system. */ 1133 #ifndef ISATTY 1134 #define ISATTY(FP) (isatty (fileno (FP))) 1135 #endif 1136 1137 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a 1138 power of 2). Round up/down when necessary. Examples of correct 1139 use include: 1140 1141 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment 1142 write_memory (addr, value, len); 1143 addr += len; 1144 1145 and: 1146 1147 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned 1148 write_memory (sp, value, len); 1149 1150 Note that uses such as: 1151 1152 write_memory (addr, value, len); 1153 addr += align_up (len, 8); 1154 1155 and: 1156 1157 sp -= align_up (len, 8); 1158 write_memory (sp, value, len); 1159 1160 are typically not correct as they don't ensure that the address (SP 1161 or ADDR) is correctly aligned (relying on previous alignment to 1162 keep things right). This is also why the methods are called 1163 "align_..." instead of "round_..." as the latter reads better with 1164 this incorrect coding style. */ 1165 1166 extern ULONGEST align_up (ULONGEST v, int n); 1167 extern ULONGEST align_down (ULONGEST v, int n); 1168 1169 /* Allocation and deallocation functions for the libiberty hash table 1170 which use obstacks. */ 1171 void *hashtab_obstack_allocate (void *data, size_t size, size_t count); 1172 void dummy_obstack_deallocate (void *object, void *data); 1173 1174 /* From progspace.c */ 1175 1176 extern void initialize_progspace (void); 1177 extern void initialize_inferiors (void); 1178 1179 /* For DragonFly kgdb */ 1180 extern int kernel_debugger; 1181 1182 /* Special block numbers */ 1183 1184 enum block_enum 1185 { 1186 GLOBAL_BLOCK = 0, 1187 STATIC_BLOCK = 1, 1188 FIRST_LOCAL_BLOCK = 2 1189 }; 1190 1191 #endif /* #ifndef DEFS_H */ 1192