gdb/defs.h

   1 /* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
   2 /* Basic, host-specific, and target-specific definitions for GDB.
   3    Copyright (C) 1986, 1989, 1991-1996, 1998-2000
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 59 Temple Place - Suite 330,
  21    Boston, MA 02111-1307, USA.  */
  22
  23 #ifndef DEFS_H
  24 #define DEFS_H
  25
  26 #include "config.h"             /* Generated by configure */
  27 #include <stdio.h>
  28 #include <errno.h>              /* System call error return status */
  29 #include <limits.h>
  30
  31 #ifdef HAVE_STDDEF_H
  32 #include <stddef.h>
  33 #else
  34 #include <sys/types.h>          /* for size_t */
  35 #endif
  36
  37 #ifdef HAVE_UNISTD_H
  38 #include <unistd.h>
  39 #endif
  40
  41 /* Just in case they're not defined in stdio.h. */
  42
  43 #ifndef SEEK_SET
  44 #define SEEK_SET 0
  45 #endif
  46 #ifndef SEEK_CUR
  47 #define SEEK_CUR 1
  48 #endif
  49
  50 /* First include ansidecl.h so we can use the various macro definitions
  51    here and in all subsequent file inclusions.  */
  52
  53 #include "ansidecl.h"
  54
  55 #include <stdarg.h>             /* for va_list */
  56
  57 #include "libiberty.h"
  58
  59 #include "progress.h"
  60
  61 #ifdef USE_MMALLOC
  62 #include "mmalloc.h"
  63 #endif
  64
  65 /* For BFD64 and bfd_vma.  */
  66 #include "bfd.h"
  67
  68
  69 /* The target is partially multi-arched.  Both "tm.h" and the
  70    multi-arch vector provide definitions.  "tm.h" normally overrides
  71    the multi-arch vector (but there are a few exceptions).  */
  72
  73 #define GDB_MULTI_ARCH_PARTIAL 1
  74
  75 /* The target is multi-arched.  The MULTI-ARCH vector provides all
  76    definitions.  "tm.h" is included and may provide definitions of
  77    non- multi-arch macros..  */
  78
  79 #define GDB_MULTI_ARCH_TM 2
  80
  81 /* The target is pure multi-arch.  The MULTI-ARCH vector provides all
  82    definitions.  "tm.h" is linked to an empty file. */
  83
  84 #define GDB_MULTI_ARCH_PURE 3
  85
  86
  87
  88 /* An address in the program being debugged.  Host byte order.  Rather
  89    than duplicate all the logic in BFD which figures out what type
  90    this is (long, long long, etc.) and whether it needs to be 64
  91    bits (the host/target interactions are subtle), we just use
  92    bfd_vma.  */
  93
  94 typedef bfd_vma CORE_ADDR;
  95
  96 /* This is to make sure that LONGEST is at least as big as CORE_ADDR.  */
  97
  98 #ifndef LONGEST
  99
 100 #ifdef BFD64
 101
 102 #define LONGEST BFD_HOST_64_BIT
 103 #define ULONGEST BFD_HOST_U_64_BIT
 104
 105 #else /* No BFD64 */
 106
 107 #ifdef CC_HAS_LONG_LONG
 108 #define LONGEST long long
 109 #define ULONGEST unsigned long long
 110 #else
 111 #ifdef BFD_HOST_64_BIT
 112 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
 113    (e.g. i386-windows) so try it.  */
 114 #define LONGEST BFD_HOST_64_BIT
 115 #define ULONGEST BFD_HOST_U_64_BIT
 116 #else
 117 #define LONGEST long
 118 #define ULONGEST unsigned long
 119 #endif
 120 #endif
 121
 122 #endif /* No BFD64 */
 123
 124 #endif /* ! LONGEST */
 125
 126 #ifndef min
 127 #define min(a, b) ((a) < (b) ? (a) : (b))
 128 #endif
 129 #ifndef max
 130 #define max(a, b) ((a) > (b) ? (a) : (b))
 131 #endif
 132
 133 /* Macros to do string compares.
 134
 135    NOTE: cagney/2000-03-14:
 136
 137    While old code can continue to refer to these macros, new code is
 138    probably better off using strcmp() directly vis: ``strcmp() == 0''
 139    and ``strcmp() != 0''.
 140
 141    This is because modern compilers can directly inline strcmp()
 142    making the original justification for these macros - avoid function
 143    call overhead by pre-testing the first characters
 144    (``*X==*Y?...:0'') - redundant.
 145
 146    ``Even if [...] testing the first character does have a modest
 147    performance improvement, I'd rather that whenever a performance
 148    issue is found that we spend the effort on algorithmic
 149    optimizations than micro-optimizing.'' J.T. */
 150
 151 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
 152 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
 153 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
 154
 155 /* The character GNU C++ uses to build identifiers that must be unique from
 156    the program's identifiers (such as $this and $$vptr).  */
 157 #define CPLUS_MARKER '$'        /* May be overridden to '.' for SysV */
 158
 159 /* Check if a character is one of the commonly used C++ marker characters.  */
 160 extern int is_cplus_marker (int);
 161
 162 /* use tui interface if non-zero */
 163 extern int tui_version;
 164
 165 #if defined(TUI)
 166 /* all invocations of TUIDO should have two sets of parens */
 167 #define TUIDO(x)        tuiDo x
 168 #else
 169 #define TUIDO(x)
 170 #endif
 171
 172 /* enable xdb commands if set */
 173 extern int xdb_commands;
 174
 175 /* enable dbx commands if set */
 176 extern int dbx_commands;
 177
 178 extern int quit_flag;
 179 extern int immediate_quit;
 180 extern int sevenbit_strings;
 181
 182 extern void quit (void);
 183
 184 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
 185    benefits of having a ``QUIT'' macro rather than a function are
 186    marginal.  If the overhead of a QUIT function call is proving
 187    significant then its calling frequency should probably be reduced
 188    [kingdon].  A profile analyzing the current situtation is
 189    needed. */
 190
 191 #ifdef QUIT
 192 /* do twice to force compiler warning */
 193 #define QUIT_FIXME "FIXME"
 194 #define QUIT_FIXME "ignoring redefinition of QUIT"
 195 #else
 196 #define QUIT { \
 197   if (quit_flag) quit (); \
 198   if (interactive_hook) interactive_hook (); \
 199   PROGRESS (1); \
 200 }
 201 #endif
 202
 203 /* Languages represented in the symbol table and elsewhere.
 204    This should probably be in language.h, but since enum's can't
 205    be forward declared to satisfy opaque references before their
 206    actual definition, needs to be here. */
 207
 208 enum language
 209   {
 210     language_unknown,           /* Language not known */
 211     language_auto,              /* Placeholder for automatic setting */
 212     language_c,                 /* C */
 213     language_cplus,             /* C++ */
 214     language_java,              /* Java */
 215     language_chill,             /* Chill */
 216     language_fortran,           /* Fortran */
 217     language_m2,                /* Modula-2 */
 218     language_asm,               /* Assembly language */
 219     language_scm,               /* Scheme / Guile */
 220     language_pascal             /* Pascal */
 221   };
 222
 223 enum precision_type
 224   {
 225     single_precision,
 226     double_precision,
 227     unspecified_precision
 228   };
 229
 230 /* the cleanup list records things that have to be undone
 231    if an error happens (descriptors to be closed, memory to be freed, etc.)
 232    Each link in the chain records a function to call and an
 233    argument to give it.
 234
 235    Use make_cleanup to add an element to the cleanup chain.
 236    Use do_cleanups to do all cleanup actions back to a given
 237    point in the chain.  Use discard_cleanups to remove cleanups
 238    from the chain back to a given point, not doing them.  */
 239
 240 struct cleanup
 241   {
 242     struct cleanup *next;
 243     void (*function) (PTR);
 244     PTR arg;
 245   };
 246
 247
 248 /* The ability to declare that a function never returns is useful, but
 249    not really required to compile GDB successfully, so the NORETURN and
 250    ATTR_NORETURN macros normally expand into nothing.  */
 251
 252 /* If compiling with older versions of GCC, a function may be declared
 253    "volatile" to indicate that it does not return.  */
 254
 255 #ifndef NORETURN
 256 #if defined(__GNUC__) \
 257      && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
 258 #define NORETURN volatile
 259 #else
 260 #define NORETURN                /* nothing */
 261 #endif
 262 #endif
 263
 264 /* GCC 2.5 and later versions define a function attribute "noreturn",
 265    which is the preferred way to declare that a function never returns.
 266    However GCC 2.7 appears to be the first version in which this fully
 267    works everywhere we use it. */
 268
 269 #ifndef ATTR_NORETURN
 270 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
 271 #define ATTR_NORETURN __attribute__ ((noreturn))
 272 #else
 273 #define ATTR_NORETURN           /* nothing */
 274 #endif
 275 #endif
 276
 277 #ifndef ATTR_FORMAT
 278 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
 279 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
 280 #else
 281 #define ATTR_FORMAT(type, x, y) /* nothing */
 282 #endif
 283 #endif
 284
 285 /* Needed for various prototypes */
 286
 287 struct symtab;
 288 struct breakpoint;
 289
 290 /* From blockframe.c */
 291
 292 extern int inside_entry_func (CORE_ADDR);
 293
 294 extern int inside_entry_file (CORE_ADDR addr);
 295
 296 extern int inside_main_func (CORE_ADDR pc);
 297
 298 /* From ch-lang.c, for the moment. (FIXME) */
 299
 300 extern char *chill_demangle (const char *);
 301
 302 /* From utils.c */
 303
 304 extern void initialize_utils (void);
 305
 306 extern void notice_quit (void);
 307
 308 extern int strcmp_iw (const char *, const char *);
 309
 310 extern int subset_compare (char *, char *);
 311
 312 extern char *safe_strerror (int);
 313
 314 extern void init_malloc (void *);
 315
 316 extern void request_quit (int);
 317
 318 extern void do_cleanups (struct cleanup *);
 319 extern void do_final_cleanups (struct cleanup *);
 320 extern void do_my_cleanups (struct cleanup **, struct cleanup *);
 321 extern void do_run_cleanups (struct cleanup *);
 322 extern void do_exec_cleanups (struct cleanup *);
 323 extern void do_exec_error_cleanups (struct cleanup *);
 324
 325 extern void discard_cleanups (struct cleanup *);
 326 extern void discard_final_cleanups (struct cleanup *);
 327 extern void discard_exec_error_cleanups (struct cleanup *);
 328 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
 329
 330 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
 331    make_cleanup function declarations below. Do not use this typedef
 332    as a cast when passing functions into the make_cleanup() code.
 333    Instead either use a bounce function or add a wrapper function.
 334    Calling a f(char*) function with f(void*) is non-portable. */
 335 typedef void (make_cleanup_ftype) (void *);
 336
 337 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
 338
 339 extern struct cleanup *make_cleanup_freeargv (char **);
 340
 341 struct ui_file;
 342 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
 343
 344 extern struct cleanup *make_cleanup_close (int fd);
 345
 346 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
 347
 348 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
 349
 350 extern struct cleanup *make_my_cleanup (struct cleanup **,
 351                                         make_cleanup_ftype *, void *);
 352
 353 extern struct cleanup *make_run_cleanup (make_cleanup_ftype *, void *);
 354
 355 extern struct cleanup *make_exec_cleanup (make_cleanup_ftype *, void *);
 356 extern struct cleanup *make_exec_error_cleanup (make_cleanup_ftype *, void *);
 357
 358 extern struct cleanup *save_cleanups (void);
 359 extern struct cleanup *save_final_cleanups (void);
 360 extern struct cleanup *save_my_cleanups (struct cleanup **);
 361
 362 extern void restore_cleanups (struct cleanup *);
 363 extern void restore_final_cleanups (struct cleanup *);
 364 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
 365
 366 extern void free_current_contents (void *);
 367
 368 extern void null_cleanup (void *);
 369
 370 extern void xfree (void *);
 371
 372 extern int myread (int, char *, int);
 373
 374 extern int query (char *, ...) ATTR_FORMAT (printf, 1, 2);
 375
 376 #if !defined (USE_MMALLOC)
 377 /* NOTE: cagney/2000-03-04: The mmalloc functions need to use PTR
 378    rather than void* so that they are consistent with
 379    ../mmalloc/mmalloc.h. */
 380 extern PTR mcalloc (PTR, size_t, size_t);
 381 extern PTR mmalloc (PTR, size_t);
 382 extern PTR mrealloc (PTR, PTR, size_t);
 383 extern void mfree (PTR, PTR);
 384 #endif
 385
 386 extern void init_page_info (void);
 387
 388 extern CORE_ADDR host_pointer_to_address (void *ptr);
 389 extern void *address_to_host_pointer (CORE_ADDR addr);
 390
 391 /* From demangle.c */
 392
 393 extern void set_demangling_style (char *);
 394
 395 /* From tm.h */
 396
 397 struct type;
 398 typedef int (use_struct_convention_fn) (int gcc_p, struct type * value_type);
 399 extern use_struct_convention_fn generic_use_struct_convention;
 400
 401 typedef unsigned char *(breakpoint_from_pc_fn) (CORE_ADDR * pcptr, int *lenptr);
 402 \f
 403 /* Annotation stuff.  */
 404
 405 extern int annotation_level;    /* in stack.c */
 406 \f
 407 extern void begin_line (void);
 408
 409 extern void wrap_here (char *);
 410
 411 extern void reinitialize_more_filter (void);
 412
 413 /* Normal results */
 414 extern struct ui_file *gdb_stdout;
 415 /* Serious error notifications */
 416 extern struct ui_file *gdb_stderr;
 417 /* Log/debug/trace messages that should bypass normal stdout/stderr
 418    filtering.  For momement, always call this stream using
 419    *_unfiltered. In the very near future that restriction shall be
 420    removed - either call shall be unfiltered. (cagney 1999-06-13). */
 421 extern struct ui_file *gdb_stdlog;
 422 /* Target output that should bypass normal stdout/stderr filtering.
 423    For momement, always call this stream using *_unfiltered. In the
 424    very near future that restriction shall be removed - either call
 425    shall be unfiltered. (cagney 1999-07-02). */
 426 extern struct ui_file *gdb_stdtarg;
 427
 428 #if defined(TUI)
 429 #include "tui.h"
 430 #include "tuiCommand.h"
 431 #include "tuiData.h"
 432 #include "tuiIO.h"
 433 #include "tuiLayout.h"
 434 #include "tuiWin.h"
 435 #endif
 436
 437 #include "ui-file.h"
 438
 439 /* More generic printf like operations */
 440
 441 extern void fputs_filtered (const char *, struct ui_file *);
 442
 443 extern void fputs_unfiltered (const char *, struct ui_file *);
 444
 445 extern int fputc_filtered (int c, struct ui_file *);
 446
 447 extern int fputc_unfiltered (int c, struct ui_file *);
 448
 449 extern int putchar_unfiltered (int c);
 450
 451 extern void puts_filtered (const char *);
 452
 453 extern void puts_unfiltered (const char *);
 454
 455 extern void puts_debug (char *prefix, char *string, char *suffix);
 456
 457 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
 458
 459 extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
 460
 461 extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
 462
 463 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 3, 4);
 464
 465 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
 466
 467 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);
 468
 469 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
 470
 471 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
 472
 473 extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
 474
 475 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
 476
 477 extern void print_spaces (int, struct ui_file *);
 478
 479 extern void print_spaces_filtered (int, struct ui_file *);
 480
 481 extern char *n_spaces (int);
 482
 483 extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);
 484
 485 extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);
 486
 487 extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);
 488
 489 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
 490 extern void gdb_print_host_address (void *addr, struct ui_file *stream);
 491
 492 /* Convert a CORE_ADDR into a HEX string.  paddr() is like %08lx.
 493    paddr_nz() is like %lx.  paddr_u() is like %lu. paddr_width() is
 494    for ``%*''. */
 495 extern int strlen_paddr (void);
 496 extern char *paddr (CORE_ADDR addr);
 497 extern char *paddr_nz (CORE_ADDR addr);
 498 extern char *paddr_u (CORE_ADDR addr);
 499 extern char *paddr_d (LONGEST addr);
 500
 501 extern char *phex (ULONGEST l, int sizeof_l);
 502 extern char *phex_nz (ULONGEST l, int sizeof_l);
 503
 504 extern void fprintf_symbol_filtered (struct ui_file *, char *,
 505                                      enum language, int);
 506
 507 extern NORETURN void perror_with_name (char *) ATTR_NORETURN;
 508
 509 extern void print_sys_errmsg (char *, int);
 510
 511 /* From regex.c or libc.  BSD 4.4 declares this with the argument type as
 512    "const char *" in unistd.h, so we can't declare the argument
 513    as "char *".  */
 514
 515 extern char *re_comp (const char *);
 516
 517 /* From symfile.c */
 518
 519 extern void symbol_file_command (char *, int);
 520
 521 /* Remote targets may wish to use this as their load function.  */
 522 extern void generic_load (char *name, int from_tty);
 523
 524 /* Summarise a download */
 525 extern void print_transfer_performance (struct ui_file *stream,
 526                                         unsigned long data_count,
 527                                         unsigned long write_count,
 528                                         unsigned long time_count);
 529
 530 /* From top.c */
 531
 532 typedef void initialize_file_ftype (void);
 533
 534 extern char *skip_quoted (char *);
 535
 536 extern char *gdb_readline (char *);
 537
 538 extern char *command_line_input (char *, int, char *);
 539
 540 extern void print_prompt (void);
 541
 542 extern int input_from_terminal_p (void);
 543
 544 extern int info_verbose;
 545
 546 /* From printcmd.c */
 547
 548 extern void set_next_address (CORE_ADDR);
 549
 550 extern void print_address_symbolic (CORE_ADDR, struct ui_file *, int,
 551                                     char *);
 552
 553 extern int build_address_symbolic (CORE_ADDR addr,
 554                                    int do_demangle,
 555                                    char **name,
 556                                    int *offset,
 557                                    char **filename,
 558                                    int *line,
 559                                    int *unmapped);
 560
 561 extern void print_address_numeric (CORE_ADDR, int, struct ui_file *);
 562
 563 extern void print_address (CORE_ADDR, struct ui_file *);
 564
 565 /* From source.c */
 566
 567 extern int openp (char *, int, char *, int, int, char **);
 568
 569 extern int source_full_path_of (char *, char **);
 570
 571 extern void mod_path (char *, char **);
 572
 573 extern void directory_command (char *, int);
 574
 575 extern void init_source_path (void);
 576
 577 extern char *symtab_to_filename (struct symtab *);
 578
 579 /* From exec.c */
 580
 581 extern void exec_set_section_offsets (bfd_signed_vma text_off,
 582                                       bfd_signed_vma data_off,
 583                                       bfd_signed_vma bss_off);
 584
 585 /* From findvar.c */
 586
 587 extern int read_relative_register_raw_bytes (int, char *);
 588
 589 /* Possible lvalue types.  Like enum language, this should be in
 590    value.h, but needs to be here for the same reason. */
 591
 592 enum lval_type
 593   {
 594     /* Not an lval. */
 595     not_lval,
 596     /* In memory.  Could be a saved register.  */
 597     lval_memory,
 598     /* In a register.  */
 599     lval_register,
 600     /* In a gdb internal variable.  */
 601     lval_internalvar,
 602     /* Part of a gdb internal variable (structure field).  */
 603     lval_internalvar_component,
 604     /* In a register series in a frame not the current one, which may have been
 605        partially saved or saved in different places (otherwise would be
 606        lval_register or lval_memory).  */
 607     lval_reg_frame_relative
 608   };
 609
 610 struct frame_info;
 611
 612 /* From readline (but not in any readline .h files).  */
 613
 614 extern char *tilde_expand (char *);
 615
 616 /* Control types for commands */
 617
 618 enum misc_command_type
 619   {
 620     ok_command,
 621     end_command,
 622     else_command,
 623     nop_command
 624   };
 625
 626 enum command_control_type
 627   {
 628     simple_control,
 629     break_control,
 630     continue_control,
 631     while_control,
 632     if_control,
 633     invalid_control
 634   };
 635
 636 /* Structure for saved commands lines
 637    (for breakpoints, defined commands, etc).  */
 638
 639 struct command_line
 640   {
 641     struct command_line *next;
 642     char *line;
 643     enum command_control_type control_type;
 644     int body_count;
 645     struct command_line **body_list;
 646   };
 647
 648 extern struct command_line *read_command_lines (char *, int);
 649
 650 extern void free_command_lines (struct command_line **);
 651
 652 /* To continue the execution commands when running gdb asynchronously.
 653    A continuation structure contains a pointer to a function to be called
 654    to finish the command, once the target has stopped. Such mechanism is
 655    used bt the finish and until commands, and in the remote protocol
 656    when opening an extended-remote connection. */
 657
 658 struct continuation_arg
 659   {
 660     struct continuation_arg *next;
 661     union continuation_data {
 662       void *pointer;
 663       int   integer;
 664       long  longint;
 665     } data;
 666   };
 667
 668 struct continuation
 669   {
 670     void (*continuation_hook) (struct continuation_arg *);
 671     struct continuation_arg *arg_list;
 672     struct continuation *next;
 673   };
 674 struct continuation continuation;
 675
 676 /* In infrun.c. */
 677 extern struct continuation *cmd_continuation;
 678 /* Used only by the step_1 function. */
 679 extern struct continuation *intermediate_continuation;
 680
 681 /* From utils.c */
 682 extern void add_continuation (void (*)(struct continuation_arg *),
 683                               struct continuation_arg *);
 684 extern void do_all_continuations (void);
 685 extern void discard_all_continuations (void);
 686
 687 extern void add_intermediate_continuation (void (*)(struct continuation_arg *),
 688                               struct continuation_arg *);
 689 extern void do_all_intermediate_continuations (void);
 690 extern void discard_all_intermediate_continuations (void);
 691
 692 /* String containing the current directory (what getwd would return).  */
 693
 694 extern char *current_directory;
 695
 696 /* Default radixes for input and output.  Only some values supported.  */
 697 extern unsigned input_radix;
 698 extern unsigned output_radix;
 699
 700 /* Possibilities for prettyprint parameters to routines which print
 701    things.  Like enum language, this should be in value.h, but needs
 702    to be here for the same reason.  FIXME:  If we can eliminate this
 703    as an arg to LA_VAL_PRINT, then we can probably move it back to
 704    value.h. */
 705
 706 enum val_prettyprint
 707   {
 708     Val_no_prettyprint = 0,
 709     Val_prettyprint,
 710     /* Use the default setting which the user has specified.  */
 711     Val_pretty_default
 712   };
 713 \f
 714
 715 /* Optional host machine definition.  Pure autoconf targets will not
 716    need a "xm.h" file.  This will be a symlink to one of the xm-*.h
 717    files, built by the `configure' script.  */
 718
 719 #ifdef GDB_XM_FILE
 720 #include "xm.h"
 721 #endif
 722
 723 /* Optional native machine support.  Non-native (and possibly pure
 724    multi-arch) targets do not need a "nm.h" file.  This will be a
 725    symlink to one of the nm-*.h files, built by the `configure'
 726    script.  */
 727
 728 #ifdef GDB_NM_FILE
 729 #include "nm.h"
 730 #endif
 731
 732 /* Optional target machine definition.  Pure multi-arch configurations
 733    do not need a "tm.h" file.  This will be a symlink to one of the
 734    tm-*.h files, built by the `configure' script.  */
 735
 736 #ifdef GDB_TM_FILE
 737 #include "tm.h"
 738 #endif
 739
 740 /* GDB_MULTI_ARCH is normally set by configure.in using information
 741    from configure.tgt or the config/%/%.mt Makefile fragment.  Since
 742    some targets have defined it in their "tm.h" file, delay providing
 743    a default definition until after "tm.h" has been included.. */
 744
 745 #ifndef GDB_MULTI_ARCH
 746 #define GDB_MULTI_ARCH 0
 747 #endif
 748
 749
 750 /* If the xm.h file did not define the mode string used to open the
 751    files, assume that binary files are opened the same way as text
 752    files */
 753 #ifndef FOPEN_RB
 754 #include "fopen-same.h"
 755 #endif
 756
 757 /* Microsoft C can't deal with const pointers */
 758
 759 #ifdef _MSC_VER
 760 #define CONST_PTR
 761 #else
 762 #define CONST_PTR const
 763 #endif
 764
 765 /*
 766  * Allow things in gdb to be declared "volatile".  If compiling ANSI, it
 767  * just works.  If compiling with gcc but non-ansi, redefine to __volatile__.
 768  * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
 769  * objects be read-write rather than read-only.
 770  */
 771
 772 #ifndef volatile
 773 #ifndef __STDC__
 774 #ifdef __GNUC__
 775 #define volatile __volatile__
 776 #else
 777 #define volatile                /* nothing */
 778 #endif /* GNUC */
 779 #endif /* STDC */
 780 #endif /* volatile */
 781
 782 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
 783    FIXME: Assumes 2's complement arithmetic */
 784
 785 #if !defined (UINT_MAX)
 786 #define UINT_MAX ((unsigned int)(~0))   /* 0xFFFFFFFF for 32-bits */
 787 #endif
 788
 789 #if !defined (INT_MAX)
 790 #define INT_MAX ((int)(UINT_MAX >> 1))  /* 0x7FFFFFFF for 32-bits */
 791 #endif
 792
 793 #if !defined (INT_MIN)
 794 #define INT_MIN ((int)((int) ~0 ^ INT_MAX))     /* 0x80000000 for 32-bits */
 795 #endif
 796
 797 #if !defined (ULONG_MAX)
 798 #define ULONG_MAX ((unsigned long)(~0L))        /* 0xFFFFFFFF for 32-bits */
 799 #endif
 800
 801 #if !defined (LONG_MAX)
 802 #define LONG_MAX ((long)(ULONG_MAX >> 1))       /* 0x7FFFFFFF for 32-bits */
 803 #endif
 804
 805 #if !defined (ULONGEST_MAX)
 806 #define ULONGEST_MAX (~(ULONGEST)0)        /* 0xFFFFFFFFFFFFFFFF for 64-bits */
 807 #endif
 808
 809 #if !defined (LONGEST_MAX)                 /* 0x7FFFFFFFFFFFFFFF for 64-bits */
 810 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
 811 #endif
 812
 813 /* Convert a LONGEST to an int.  This is used in contexts (e.g. number of
 814    arguments to a function, number in a value history, register number, etc.)
 815    where the value must not be larger than can fit in an int.  */
 816
 817 extern int longest_to_int (LONGEST);
 818
 819 /* Assorted functions we can declare, now that const and volatile are
 820    defined.  */
 821
 822 extern char *savestring (const char *, int);
 823
 824 extern char *msavestring (void *, const char *, int);
 825
 826 extern char *strsave (const char *);
 827
 828 extern char *mstrsave (void *, const char *);
 829
 830 /* FIXME; was long, but this causes compile errors in msvc if already
 831    defined */
 832 #ifdef _MSC_VER
 833 extern PTR xmmalloc (PTR, size_t);
 834 extern PTR xmrealloc (PTR, PTR, size_t);
 835 #else
 836 extern PTR xmmalloc (PTR, long);
 837 extern PTR xmrealloc (PTR, PTR, long);
 838 #endif
 839
 840 /* Like asprintf/vasprintf but get an internal_error if the call
 841    fails. */
 842 extern void xasprintf (char **ret, const char *format, ...) ATTR_FORMAT (printf, 2, 3);
 843 extern void xvasprintf (char **ret, const char *format, va_list ap);
 844
 845 extern int parse_escape (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 NORETURN void verror (const char *fmt, va_list ap) ATTR_NORETURN;
 860
 861 extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN;
 862
 863 /* DEPRECATED: Use error(), verror() or error_stream(). */
 864 extern NORETURN void error_begin (void);
 865
 866 extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;
 867
 868 /* Returns a freshly allocate buffer containing the last error
 869    message.  */
 870 extern char *error_last_message (void);
 871
 872 extern NORETURN void internal_verror (const char *, va_list ap) ATTR_NORETURN;
 873
 874 extern NORETURN void internal_error (char *, ...) ATTR_NORETURN;
 875
 876 extern NORETURN void nomem (long) ATTR_NORETURN;
 877
 878 /* Reasons for calling return_to_top_level.  Note: enum value 0 is
 879    reserved for internal use as the return value from an initial
 880    setjmp().  */
 881
 882 enum return_reason
 883   {
 884     /* User interrupt.  */
 885     RETURN_QUIT = 1,
 886     /* Any other error.  */
 887     RETURN_ERROR
 888   };
 889
 890 #define ALL_CLEANUPS    ((struct cleanup *)0)
 891
 892 #define RETURN_MASK(reason)     (1 << (int)(reason))
 893 #define RETURN_MASK_QUIT        RETURN_MASK (RETURN_QUIT)
 894 #define RETURN_MASK_ERROR       RETURN_MASK (RETURN_ERROR)
 895 #define RETURN_MASK_ALL         (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
 896 typedef int return_mask;
 897
 898 extern NORETURN void return_to_top_level (enum return_reason) ATTR_NORETURN;
 899
 900 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
 901    otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
 902    probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
 903    value. It's unfortunate that, catch_errors() does not return an
 904    indication of the exact exception that it caught - quit_flag might
 905    help. */
 906
 907 typedef int (catch_errors_ftype) (PTR);
 908 extern int catch_errors (catch_errors_ftype *, PTR, char *, return_mask);
 909
 910 /* Template to catch_errors() that wraps calls to command
 911    functions. */
 912
 913 typedef void (catch_command_errors_ftype) (char *, int);
 914 extern int catch_command_errors (catch_command_errors_ftype *func, char *command, int from_tty, return_mask);
 915
 916 extern void warning_begin (void);
 917
 918 extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);
 919
 920 /* Global functions from other, non-gdb GNU thingies.
 921    Libiberty thingies are no longer declared here.  We include libiberty.h
 922    above, instead.  */
 923
 924 #ifndef GETENV_PROVIDED
 925 extern char *getenv (const char *);
 926 #endif
 927
 928 /* From other system libraries */
 929
 930 #ifdef HAVE_STDDEF_H
 931 #include <stddef.h>
 932 #endif
 933
 934 #ifdef HAVE_STDLIB_H
 935 #if defined(_MSC_VER) && !defined(__cplusplus)
 936 /* msvc defines these in stdlib.h for c code */
 937 #undef min
 938 #undef max
 939 #endif
 940 #include <stdlib.h>
 941 #endif
 942 #ifndef min
 943 #define min(a, b) ((a) < (b) ? (a) : (b))
 944 #endif
 945 #ifndef max
 946 #define max(a, b) ((a) > (b) ? (a) : (b))
 947 #endif
 948
 949
 950 /* We take the address of fclose later, but some stdio's forget
 951    to declare this.  We can't always declare it since there's
 952    no way to declare the parameters without upsetting some compiler
 953    somewhere. */
 954
 955 #ifndef FCLOSE_PROVIDED
 956 extern int fclose (FILE *);
 957 #endif
 958
 959 #ifndef atof
 960 extern double atof (const char *);      /* X3.159-1989  4.10.1.1 */
 961 #endif
 962
 963 #ifndef MALLOC_INCOMPATIBLE
 964
 965 #ifdef NEED_DECLARATION_MALLOC
 966 extern PTR malloc ();
 967 #endif
 968
 969 #ifdef NEED_DECLARATION_REALLOC
 970 extern PTR realloc ();
 971 #endif
 972
 973 #ifdef NEED_DECLARATION_FREE
 974 extern void free ();
 975 #endif
 976
 977 #endif /* MALLOC_INCOMPATIBLE */
 978
 979 /* Various possibilities for alloca.  */
 980 #ifndef alloca
 981 #ifdef __GNUC__
 982 #define alloca __builtin_alloca
 983 #else /* Not GNU C */
 984 #ifdef HAVE_ALLOCA_H
 985 #include <alloca.h>
 986 #else
 987 #ifdef _AIX
 988 #pragma alloca
 989 #else
 990
 991 /* We need to be careful not to declare this in a way which conflicts with
 992    bison.  Bison never declares it as char *, but under various circumstances
 993    (like __hpux) we need to use void *.  */
 994 #if defined (__STDC__) || defined (__hpux)
 995 extern void *alloca ();
 996 #else /* Don't use void *.  */
 997 extern char *alloca ();
 998 #endif /* Don't use void *.  */
 999 #endif /* Not _AIX */
1000 #endif /* Not HAVE_ALLOCA_H */
1001 #endif /* Not GNU C */
1002 #endif /* alloca not defined */
1003
1004 /* HOST_BYTE_ORDER must be defined to one of these.  */
1005
1006 #ifdef HAVE_ENDIAN_H
1007 #include <endian.h>
1008 #endif
1009
1010 #if !defined (BIG_ENDIAN)
1011 #define BIG_ENDIAN 4321
1012 #endif
1013
1014 #if !defined (LITTLE_ENDIAN)
1015 #define LITTLE_ENDIAN 1234
1016 #endif
1017
1018 /* Dynamic target-system-dependent parameters for GDB. */
1019 #include "gdbarch.h"
1020 #if (GDB_MULTI_ARCH == 0)
1021 /* Multi-arch targets _should_ be including "arch-utils.h" directly
1022    into their *-tdep.c file.  This is a prop to help old non-
1023    multi-arch targets to continue to compile. */
1024 #include "arch-utils.h"
1025 #endif
1026
1027 /* Static target-system-dependent parameters for GDB. */
1028
1029 /* Number of bits in a char or unsigned char for the target machine.
1030    Just like CHAR_BIT in <limits.h> but describes the target machine.  */
1031 #if !defined (TARGET_CHAR_BIT)
1032 #define TARGET_CHAR_BIT 8
1033 #endif
1034
1035 /* If we picked up a copy of CHAR_BIT from a configuration file
1036    (which may get it by including <limits.h>) then use it to set
1037    the number of bits in a host char.  If not, use the same size
1038    as the target. */
1039
1040 #if defined (CHAR_BIT)
1041 #define HOST_CHAR_BIT CHAR_BIT
1042 #else
1043 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1044 #endif
1045
1046 /* The bit byte-order has to do just with numbering of bits in
1047    debugging symbols and such.  Conceptually, it's quite separate
1048    from byte/word byte order.  */
1049
1050 #if !defined (BITS_BIG_ENDIAN)
1051 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1052 #endif
1053
1054 /* In findvar.c.  */
1055
1056 extern LONGEST extract_signed_integer (void *, int);
1057
1058 extern ULONGEST extract_unsigned_integer (void *, int);
1059
1060 extern int extract_long_unsigned_integer (void *, int, LONGEST *);
1061
1062 extern CORE_ADDR extract_address (void *, int);
1063
1064 extern CORE_ADDR extract_typed_address (void *buf, struct type *type);
1065
1066 extern void store_signed_integer (void *, int, LONGEST);
1067
1068 extern void store_unsigned_integer (void *, int, ULONGEST);
1069
1070 extern void store_address (void *, int, LONGEST);
1071
1072 extern void store_typed_address (void *buf, struct type *type, CORE_ADDR addr);
1073
1074 /* Setup definitions for host and target floating point formats.  We need to
1075    consider the format for `float', `double', and `long double' for both target
1076    and host.  We need to do this so that we know what kind of conversions need
1077    to be done when converting target numbers to and from the hosts DOUBLEST
1078    data type.  */
1079
1080 /* This is used to indicate that we don't know the format of the floating point
1081    number.  Typically, this is useful for native ports, where the actual format
1082    is irrelevant, since no conversions will be taking place.  */
1083
1084 extern const struct floatformat floatformat_unknown;
1085
1086 #if HOST_BYTE_ORDER == BIG_ENDIAN
1087 #ifndef HOST_FLOAT_FORMAT
1088 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1089 #endif
1090 #ifndef HOST_DOUBLE_FORMAT
1091 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1092 #endif
1093 #else /* LITTLE_ENDIAN */
1094 #ifndef HOST_FLOAT_FORMAT
1095 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1096 #endif
1097 #ifndef HOST_DOUBLE_FORMAT
1098 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1099 #endif
1100 #endif
1101
1102 #ifndef HOST_LONG_DOUBLE_FORMAT
1103 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1104 #endif
1105
1106 /* Use `long double' if the host compiler supports it.  (Note that this is not
1107    necessarily any longer than `double'.  On SunOS/gcc, it's the same as
1108    double.)  This is necessary because GDB internally converts all floating
1109    point values to the widest type supported by the host.
1110
1111    There are problems however, when the target `long double' is longer than the
1112    host's `long double'.  In general, we'll probably reduce the precision of
1113    any such values and print a warning.  */
1114
1115 #ifdef HAVE_LONG_DOUBLE
1116 typedef long double DOUBLEST;
1117 #else
1118 typedef double DOUBLEST;
1119 #endif
1120
1121 extern void floatformat_to_doublest (const struct floatformat *,
1122                                      char *, DOUBLEST *);
1123 extern void floatformat_from_doublest (const struct floatformat *,
1124                                        DOUBLEST *, char *);
1125 extern DOUBLEST extract_floating (void *, int);
1126
1127 extern void store_floating (void *, int, DOUBLEST);
1128 \f
1129 /* On some machines there are bits in addresses which are not really
1130    part of the address, but are used by the kernel, the hardware, etc.
1131    for special purposes.  ADDR_BITS_REMOVE takes out any such bits
1132    so we get a "real" address such as one would find in a symbol
1133    table.  This is used only for addresses of instructions, and even then
1134    I'm not sure it's used in all contexts.  It exists to deal with there
1135    being a few stray bits in the PC which would mislead us, not as some sort
1136    of generic thing to handle alignment or segmentation (it's possible it
1137    should be in TARGET_READ_PC instead). */
1138 #if !defined (ADDR_BITS_REMOVE)
1139 #define ADDR_BITS_REMOVE(addr) (addr)
1140 #endif /* No ADDR_BITS_REMOVE.  */
1141
1142 /* From valops.c */
1143
1144 extern CORE_ADDR push_bytes (CORE_ADDR, char *, int);
1145
1146 extern CORE_ADDR push_word (CORE_ADDR, ULONGEST);
1147
1148 extern int watchdog;
1149
1150 /* Hooks for alternate command interfaces.  */
1151
1152 #ifdef UI_OUT
1153 /* The name of the interpreter if specified on the command line. */
1154 extern char *interpreter_p;
1155 #endif
1156
1157 /* If a given interpreter matches INTERPRETER_P then it should update
1158    command_loop_hook and init_ui_hook with the per-interpreter
1159    implementation. */
1160 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1161
1162 struct target_waitstatus;
1163 struct cmd_list_element;
1164
1165 /* Should the asynchronous variant of the interpreter (using the
1166    event-loop) be enabled? */
1167 extern int event_loop_p;
1168
1169 extern void (*init_ui_hook) (char *argv0);
1170 extern void (*command_loop_hook) (void);
1171 extern void (*show_load_progress) (const char *section,
1172                                    unsigned long section_sent,
1173                                    unsigned long section_size,
1174                                    unsigned long total_sent,
1175                                    unsigned long total_size);
1176 extern void (*print_frame_info_listing_hook) (struct symtab * s,
1177                                               int line, int stopline,
1178                                               int noerror);
1179 extern struct frame_info *parse_frame_specification (char *frame_exp);
1180 extern int (*query_hook) (const char *, va_list);
1181 extern void (*warning_hook) (const char *, va_list);
1182 extern void (*flush_hook) (struct ui_file * stream);
1183 extern void (*create_breakpoint_hook) (struct breakpoint * b);
1184 extern void (*delete_breakpoint_hook) (struct breakpoint * bpt);
1185 extern void (*modify_breakpoint_hook) (struct breakpoint * bpt);
1186 extern void (*interactive_hook) (void);
1187 extern void (*registers_changed_hook) (void);
1188 extern void (*readline_begin_hook) (char *,...);
1189 extern char *(*readline_hook) (char *);
1190 extern void (*readline_end_hook) (void);
1191 extern void (*register_changed_hook) (int regno);
1192 extern void (*memory_changed_hook) (CORE_ADDR addr, int len);
1193 extern void (*context_hook) (int);
1194 extern int (*target_wait_hook) (int pid, struct target_waitstatus * status);
1195
1196 extern void (*attach_hook) (void);
1197 extern void (*detach_hook) (void);
1198 extern void (*call_command_hook) (struct cmd_list_element * c,
1199                                   char *cmd, int from_tty);
1200
1201 extern void (*set_hook) (struct cmd_list_element * c);
1202
1203 extern NORETURN void (*error_hook) (void) ATTR_NORETURN;
1204
1205 extern void (*error_begin_hook) (void);
1206
1207 extern int (*ui_load_progress_hook) (const char *section, unsigned long num);
1208
1209
1210 /* Inhibit window interface if non-zero. */
1211
1212 extern int use_windows;
1213
1214 /* Symbolic definitions of filename-related things.  */
1215 /* FIXME, this doesn't work very well if host and executable
1216    filesystems conventions are different.  */
1217
1218 #ifndef DIRNAME_SEPARATOR
1219 #define DIRNAME_SEPARATOR ':'
1220 #endif
1221
1222 #ifndef SLASH_P
1223 #if defined(__GO32__)||defined(_WIN32)
1224 #define SLASH_P(X) ((X)=='\\')
1225 #else
1226 #define SLASH_P(X) ((X)=='/')
1227 #endif
1228 #endif
1229
1230 #ifndef SLASH_CHAR
1231 #if defined(__GO32__)||defined(_WIN32)
1232 #define SLASH_CHAR '\\'
1233 #else
1234 #define SLASH_CHAR '/'
1235 #endif
1236 #endif
1237
1238 #ifndef SLASH_STRING
1239 #if defined(__GO32__)||defined(_WIN32)
1240 #define SLASH_STRING "\\"
1241 #else
1242 #define SLASH_STRING "/"
1243 #endif
1244 #endif
1245
1246 #ifndef ROOTED_P
1247 #define ROOTED_P(X) (SLASH_P((X)[0]))
1248 #endif
1249
1250 /* On some systems, PIDGET is defined to extract the inferior pid from
1251    an internal pid that has the thread id and pid in seperate bit
1252    fields.  If not defined, then just use the entire internal pid as
1253    the actual pid. */
1254
1255 #ifndef PIDGET
1256 #define PIDGET(PID) (PID)
1257 #define TIDGET(PID) 0
1258 #define MERGEPID(PID, TID) (PID)
1259 #endif
1260
1261 /* If under Cygwin, provide backwards compatibility with older
1262    Cygwin compilers that don't define the current cpp define. */
1263 #ifdef __CYGWIN32__
1264 #ifndef __CYGWIN__
1265 #define __CYGWIN__
1266 #endif
1267 #endif
1268
1269 /* Define well known filenos if the system does not define them.  */
1270 #ifndef STDIN_FILENO
1271 #define STDIN_FILENO   0
1272 #endif
1273 #ifndef STDOUT_FILENO
1274 #define STDOUT_FILENO  1
1275 #endif
1276 #ifndef STDERR_FILENO
1277 #define STDERR_FILENO  2
1278 #endif
1279
1280 /* If this definition isn't overridden by the header files, assume
1281    that isatty and fileno exist on this system.  */
1282 #ifndef ISATTY
1283 #define ISATTY(FP)      (isatty (fileno (FP)))
1284 #endif
1285
1286 \f
1287 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1288    libgdb.h or gdblib.h. */
1289
1290 /* Return-code (RC) from a gdb library call.  (The abreviation RC is
1291    taken from the sim/common directory.) */
1292
1293 enum gdb_rc {
1294   /* The operation failed.  The failure message can be fetched by
1295      calling ``char *error_last_message(void)''. The value is
1296      determined by the catch_errors() interface. */
1297   /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1298      internal / quit indication it is not possible to return that
1299      here. */
1300   GDB_RC_FAIL = 0,
1301   /* No error occured but nothing happened. Due to the catch_errors()
1302      interface, this must be non-zero. */
1303   GDB_RC_NONE = 1,
1304   /* The operation was successful. Due to the catch_errors()
1305      interface, this must be non-zero. */
1306   GDB_RC_OK = 2
1307 };
1308
1309
1310 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1311    function will ``print'' the object on ``output''). */
1312 enum gdb_rc gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum);
1313
1314 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1315 enum gdb_rc gdb_breakpoint (char *address, char *condition,
1316                             int hardwareflag, int tempflag,
1317                             int thread, int ignore_count);
1318 enum gdb_rc gdb_thread_select (/* output object */ char *tidstr);
1319
1320 #ifdef UI_OUT
1321 /* Print a list of known thread ids. */
1322 enum gdb_rc gdb_list_thread_ids (/* output object */);
1323
1324 /* Switch thread and print notification. */
1325 #endif
1326 #endif /* #ifndef DEFS_H */