gdb/defs.h

   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) 1986-2014 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 3 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, see <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef DEFS_H
  22 #define DEFS_H
  23
  24 #ifdef GDBSERVER
  25 #  error gdbserver should not include gdb/defs.h
  26 #endif
  27
  28 #include "common-defs.h"
  29
  30 #include <sys/types.h>
  31 #include <errno.h>              /* System call error return status.  */
  32 #include <limits.h>
  33 #include <stdint.h>
  34
  35 /* The libdecnumber library, on which GDB depends, includes a header file
  36    called gstdint.h instead of relying directly on stdint.h.  GDB, on the
  37    other hand, includes stdint.h directly, relying on the fact that gnulib
  38    generates a copy if the system doesn't provide one or if it is missing
  39    some features.  Unfortunately, gstdint.h and stdint.h cannot be included
  40    at the same time, which may happen when we include a file from
  41    libdecnumber.
  42
  43    The following macro definition effectively prevents the inclusion of
  44    gstdint.h, as all the definitions it provides are guarded against
  45    the GCC_GENERATED_STDINT_H macro.  We already have gnulib/stdint.h
  46    included, so it's ok to blank out gstdint.h.  */
  47 #define GCC_GENERATED_STDINT_H 1
  48
  49 #include <unistd.h>
  50
  51 #include <fcntl.h>
  52
  53 #include "gdb_locale.h"
  54
  55 #include "gdb_wchar.h"
  56
  57 #include "ui-file.h"
  58
  59 #include "host-defs.h"
  60
  61 /* Just in case they're not defined in stdio.h.  */
  62
  63 #ifndef SEEK_SET
  64 #define SEEK_SET 0
  65 #endif
  66 #ifndef SEEK_CUR
  67 #define SEEK_CUR 1
  68 #endif
  69
  70 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
  71    It is used as an access modifier in calls to open(), where it acts
  72    similarly to the "b" character in fopen()'s MODE argument.  On Posix
  73    platforms it should be a no-op, so it is defined as 0 here.  This
  74    ensures that the symbol may be used freely elsewhere in gdb.  */
  75
  76 #ifndef O_BINARY
  77 #define O_BINARY 0
  78 #endif
  79
  80 #include "hashtab.h"
  81
  82 /* Rather than duplicate all the logic in BFD for figuring out what
  83    types to use (which can be pretty complicated), symply define them
  84    in terms of the corresponding type from BFD.  */
  85
  86 #include "bfd.h"
  87
  88 /* * A byte from the program being debugged.  */
  89 typedef bfd_byte gdb_byte;
  90
  91 /* * An address in the program being debugged.  Host byte order.  */
  92 typedef bfd_vma CORE_ADDR;
  93
  94 /* * The largest CORE_ADDR value.  */
  95 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
  96
  97 /* This is to make sure that LONGEST is at least as big as CORE_ADDR.  */
  98
  99 #ifdef BFD64
 100
 101 #define LONGEST BFD_HOST_64_BIT
 102 #define ULONGEST BFD_HOST_U_64_BIT
 103
 104 #else /* No BFD64 */
 105
 106 #define LONGEST long long
 107 #define ULONGEST unsigned long long
 108
 109 #endif /* No BFD64 */
 110
 111 #ifndef min
 112 #define min(a, b) ((a) < (b) ? (a) : (b))
 113 #endif
 114 #ifndef max
 115 #define max(a, b) ((a) > (b) ? (a) : (b))
 116 #endif
 117
 118 #include "ptid.h"
 119
 120 /* * Enable xdb commands if set.  */
 121 extern int xdb_commands;
 122
 123 /* * Enable dbx commands if set.  */
 124 extern int dbx_commands;
 125
 126 /* * System root path, used to find libraries etc.  */
 127 extern char *gdb_sysroot;
 128
 129 /* * GDB datadir, used to store data files.  */
 130 extern char *gdb_datadir;
 131
 132 /* * If non-NULL, the possibly relocated path to python's "lib" directory
 133    specified with --with-python.  */
 134 extern char *python_libdir;
 135
 136 /* * Search path for separate debug files.  */
 137 extern char *debug_file_directory;
 138
 139 /* GDB has two methods for handling SIGINT.  When immediate_quit is
 140    nonzero, a SIGINT results in an immediate longjmp out of the signal
 141    handler.  Otherwise, SIGINT simply sets a flag; code that might
 142    take a long time, and which ought to be interruptible, checks this
 143    flag using the QUIT macro.
 144
 145    These functions use the extension_language_ops API to allow extension
 146    language(s) and GDB SIGINT handling to coexist seamlessly.  */
 147
 148 /* * Clear the quit flag.  */
 149 extern void clear_quit_flag (void);
 150 /* * Evaluate to non-zero if the quit flag is set, zero otherwise.  This
 151    will clear the quit flag as a side effect.  */
 152 extern int check_quit_flag (void);
 153 /* * Set the quit flag.  */
 154 extern void set_quit_flag (void);
 155
 156 /* Flag that function quit should call quit_force.  */
 157 extern volatile int sync_quit_force_run;
 158
 159 extern int immediate_quit;
 160
 161 extern void quit (void);
 162
 163 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
 164    benefits of having a ``QUIT'' macro rather than a function are
 165    marginal.  If the overhead of a QUIT function call is proving
 166    significant then its calling frequency should probably be reduced
 167    [kingdon].  A profile analyzing the current situtation is
 168    needed.  */
 169
 170 #define QUIT { \
 171   if (check_quit_flag () || sync_quit_force_run) quit (); \
 172   if (deprecated_interactive_hook) deprecated_interactive_hook (); \
 173 }
 174
 175 /* * Languages represented in the symbol table and elsewhere.
 176    This should probably be in language.h, but since enum's can't
 177    be forward declared to satisfy opaque references before their
 178    actual definition, needs to be here.  */
 179
 180 enum language
 181   {
 182     language_unknown,           /* Language not known */
 183     language_auto,              /* Placeholder for automatic setting */
 184     language_c,                 /* C */
 185     language_cplus,             /* C++ */
 186     language_d,                 /* D */
 187     language_go,                /* Go */
 188     language_objc,              /* Objective-C */
 189     language_java,              /* Java */
 190     language_fortran,           /* Fortran */
 191     language_m2,                /* Modula-2 */
 192     language_asm,               /* Assembly language */
 193     language_pascal,            /* Pascal */
 194     language_ada,               /* Ada */
 195     language_opencl,            /* OpenCL */
 196     language_minimal,           /* All other languages, minimal support only */
 197     nr_languages
 198   };
 199
 200 enum precision_type
 201   {
 202     single_precision,
 203     double_precision,
 204     unspecified_precision
 205   };
 206
 207 /* * A generic, not quite boolean, enumeration.  This is used for
 208    set/show commands in which the options are on/off/automatic.  */
 209 enum auto_boolean
 210 {
 211   AUTO_BOOLEAN_TRUE,
 212   AUTO_BOOLEAN_FALSE,
 213   AUTO_BOOLEAN_AUTO
 214 };
 215
 216 /* * Potential ways that a function can return a value of a given
 217    type.  */
 218
 219 enum return_value_convention
 220 {
 221   /* * Where the return value has been squeezed into one or more
 222      registers.  */
 223   RETURN_VALUE_REGISTER_CONVENTION,
 224   /* * Commonly known as the "struct return convention".  The caller
 225      passes an additional hidden first parameter to the caller.  That
 226      parameter contains the address at which the value being returned
 227      should be stored.  While typically, and historically, used for
 228      large structs, this is convention is applied to values of many
 229      different types.  */
 230   RETURN_VALUE_STRUCT_CONVENTION,
 231   /* * Like the "struct return convention" above, but where the ABI
 232      guarantees that the called function stores the address at which
 233      the value being returned is stored in a well-defined location,
 234      such as a register or memory slot in the stack frame.  Don't use
 235      this if the ABI doesn't explicitly guarantees this.  */
 236   RETURN_VALUE_ABI_RETURNS_ADDRESS,
 237   /* * Like the "struct return convention" above, but where the ABI
 238      guarantees that the address at which the value being returned is
 239      stored will be available in a well-defined location, such as a
 240      register or memory slot in the stack frame.  Don't use this if
 241      the ABI doesn't explicitly guarantees this.  */
 242   RETURN_VALUE_ABI_PRESERVES_ADDRESS,
 243 };
 244
 245 /* Needed for various prototypes */
 246
 247 struct symtab;
 248 struct breakpoint;
 249 struct frame_info;
 250 struct gdbarch;
 251 struct value;
 252
 253 /* From main.c.  */
 254
 255 /* This really belong in utils.c (path-utils.c?), but it references some
 256    globals that are currently only available to main.c.  */
 257 extern char *relocate_gdb_directory (const char *initial, int flag);
 258
 259 \f
 260 /* Annotation stuff.  */
 261
 262 extern int annotation_level;    /* in stack.c */
 263 \f
 264
 265 /* From regex.c or libc.  BSD 4.4 declares this with the argument type as
 266    "const char *" in unistd.h, so we can't declare the argument
 267    as "char *".  */
 268
 269 extern char *re_comp (const char *);
 270
 271 /* From symfile.c */
 272
 273 extern void symbol_file_command (char *, int);
 274
 275 /* * Remote targets may wish to use this as their load function.  */
 276 extern void generic_load (const char *name, int from_tty);
 277
 278 /* * Report on STREAM the performance of memory transfer operation,
 279    such as 'load'.
 280    @param DATA_COUNT is the number of bytes transferred.
 281    @param WRITE_COUNT is the number of separate write operations, or 0,
 282    if that information is not available.
 283    @param START_TIME is the time at which an operation was started.
 284    @param END_TIME is the time at which an operation ended.  */
 285 struct timeval;
 286 extern void print_transfer_performance (struct ui_file *stream,
 287                                         unsigned long data_count,
 288                                         unsigned long write_count,
 289                                         const struct timeval *start_time,
 290                                         const struct timeval *end_time);
 291
 292 /* From top.c */
 293
 294 typedef void initialize_file_ftype (void);
 295
 296 extern char *gdb_readline (char *);
 297
 298 extern char *gdb_readline_wrapper (char *);
 299
 300 extern char *command_line_input (char *, int, char *);
 301
 302 extern void print_prompt (void);
 303
 304 extern int input_from_terminal_p (void);
 305
 306 extern int info_verbose;
 307
 308 /* From printcmd.c */
 309
 310 extern void set_next_address (struct gdbarch *, CORE_ADDR);
 311
 312 extern int print_address_symbolic (struct gdbarch *, CORE_ADDR,
 313                                    struct ui_file *, int, char *);
 314
 315 extern int build_address_symbolic (struct gdbarch *,
 316                                    CORE_ADDR addr,
 317                                    int do_demangle,
 318                                    char **name,
 319                                    int *offset,
 320                                    char **filename,
 321                                    int *line,
 322                                    int *unmapped);
 323
 324 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
 325 extern const char *pc_prefix (CORE_ADDR);
 326
 327 /* From source.c */
 328
 329 /* See openp function definition for their description.  */
 330 #define OPF_TRY_CWD_FIRST     0x01
 331 #define OPF_SEARCH_IN_PATH    0x02
 332 #define OPF_RETURN_REALPATH   0x04
 333
 334 extern int openp (const char *, int, const char *, int, char **);
 335
 336 extern int source_full_path_of (const char *, char **);
 337
 338 extern void mod_path (char *, char **);
 339
 340 extern void add_path (char *, char **, int);
 341
 342 extern void directory_switch (char *, int);
 343
 344 extern char *source_path;
 345
 346 extern void init_source_path (void);
 347
 348 /* From exec.c */
 349
 350 /* * Process memory area starting at ADDR with length SIZE.  Area is
 351    readable iff READ is non-zero, writable if WRITE is non-zero,
 352    executable if EXEC is non-zero.  Area is possibly changed against
 353    its original file based copy if MODIFIED is non-zero.  DATA is
 354    passed without changes from a caller.  */
 355
 356 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
 357                                          int read, int write, int exec,
 358                                          int modified, void *data);
 359
 360 /* * Possible lvalue types.  Like enum language, this should be in
 361    value.h, but needs to be here for the same reason.  */
 362
 363 enum lval_type
 364   {
 365     /* * Not an lval.  */
 366     not_lval,
 367     /* * In memory.  */
 368     lval_memory,
 369     /* * In a register.  Registers are relative to a frame.  */
 370     lval_register,
 371     /* * In a gdb internal variable.  */
 372     lval_internalvar,
 373     /* * Value encapsulates a callable defined in an extension language.  */
 374     lval_xcallable,
 375     /* * Part of a gdb internal variable (structure field).  */
 376     lval_internalvar_component,
 377     /* * Value's bits are fetched and stored using functions provided
 378        by its creator.  */
 379     lval_computed
 380   };
 381
 382 /* * Control types for commands.  */
 383
 384 enum misc_command_type
 385   {
 386     ok_command,
 387     end_command,
 388     else_command,
 389     nop_command
 390   };
 391
 392 enum command_control_type
 393   {
 394     simple_control,
 395     break_control,
 396     continue_control,
 397     while_control,
 398     if_control,
 399     commands_control,
 400     python_control,
 401     guile_control,
 402     while_stepping_control,
 403     invalid_control
 404   };
 405
 406 /* * Structure for saved commands lines (for breakpoints, defined
 407    commands, etc).  */
 408
 409 struct command_line
 410   {
 411     struct command_line *next;
 412     char *line;
 413     enum command_control_type control_type;
 414     /* * The number of elements in body_list.  */
 415     int body_count;
 416     /* * For composite commands, the nested lists of commands.  For
 417        example, for "if" command this will contain the then branch and
 418        the else branch, if that is available.  */
 419     struct command_line **body_list;
 420   };
 421
 422 extern struct command_line *read_command_lines (char *, int, int,
 423                                                 void (*)(char *, void *),
 424                                                 void *);
 425 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
 426                                                   void (*)(char *, void *),
 427                                                   void *);
 428
 429 extern void free_command_lines (struct command_line **);
 430
 431 /* * Parameters of the "info proc" command.  */
 432
 433 enum info_proc_what
 434   {
 435     /* * Display the default cmdline, cwd and exe outputs.  */
 436     IP_MINIMAL,
 437
 438     /* * Display `info proc mappings'.  */
 439     IP_MAPPINGS,
 440
 441     /* * Display `info proc status'.  */
 442     IP_STATUS,
 443
 444     /* * Display `info proc stat'.  */
 445     IP_STAT,
 446
 447     /* * Display `info proc cmdline'.  */
 448     IP_CMDLINE,
 449
 450     /* * Display `info proc exe'.  */
 451     IP_EXE,
 452
 453     /* * Display `info proc cwd'.  */
 454     IP_CWD,
 455
 456     /* * Display all of the above.  */
 457     IP_ALL
 458   };
 459
 460 /* * String containing the current directory (what getwd would return).  */
 461
 462 extern char *current_directory;
 463
 464 /* * Default radixes for input and output.  Only some values supported.  */
 465 extern unsigned input_radix;
 466 extern unsigned output_radix;
 467
 468 /* * Possibilities for prettyformat parameters to routines which print
 469    things.  Like enum language, this should be in value.h, but needs
 470    to be here for the same reason.  FIXME:  If we can eliminate this
 471    as an arg to LA_VAL_PRINT, then we can probably move it back to
 472    value.h.  */
 473
 474 enum val_prettyformat
 475   {
 476     Val_no_prettyformat = 0,
 477     Val_prettyformat,
 478     /* * Use the default setting which the user has specified.  */
 479     Val_prettyformat_default
 480   };
 481
 482 /* * Optional native machine support.  Non-native (and possibly pure
 483    multi-arch) targets do not need a "nm.h" file.  This will be a
 484    symlink to one of the nm-*.h files, built by the `configure'
 485    script.  */
 486
 487 #ifdef GDB_NM_FILE
 488 #include "nm.h"
 489 #endif
 490
 491 /* Assume that fopen accepts the letter "b" in the mode string.
 492    It is demanded by ISO C9X, and should be supported on all
 493    platforms that claim to have a standard-conforming C library.  On
 494    true POSIX systems it will be ignored and have no effect.  There
 495    may still be systems without a standard-conforming C library where
 496    an ISO C9X compiler (GCC) is available.  Known examples are SunOS
 497    4.x and 4.3BSD.  This assumption means these systems are no longer
 498    supported.  */
 499 #ifndef FOPEN_RB
 500 # include "fopen-bin.h"
 501 #endif
 502
 503 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
 504    FIXME: Assumes 2's complement arithmetic.  */
 505
 506 #if !defined (UINT_MAX)
 507 #define UINT_MAX ((unsigned int)(~0))       /* 0xFFFFFFFF for 32-bits */
 508 #endif
 509
 510 #if !defined (INT_MAX)
 511 #define INT_MAX ((int)(UINT_MAX >> 1))      /* 0x7FFFFFFF for 32-bits */
 512 #endif
 513
 514 #if !defined (INT_MIN)
 515 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
 516 #endif
 517
 518 #if !defined (ULONG_MAX)
 519 #define ULONG_MAX ((unsigned long)(~0L))    /* 0xFFFFFFFF for 32-bits */
 520 #endif
 521
 522 #if !defined (LONG_MAX)
 523 #define LONG_MAX ((long)(ULONG_MAX >> 1))   /* 0x7FFFFFFF for 32-bits */
 524 #endif
 525
 526 #if !defined (ULONGEST_MAX)
 527 #define ULONGEST_MAX (~(ULONGEST)0)        /* 0xFFFFFFFFFFFFFFFF for 64-bits */
 528 #endif
 529
 530 #if !defined (LONGEST_MAX)                 /* 0x7FFFFFFFFFFFFFFF for 64-bits */
 531 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
 532 #endif
 533
 534 /* * Convert a LONGEST to an int.  This is used in contexts (e.g. number of
 535    arguments to a function, number in a value history, register number, etc.)
 536    where the value must not be larger than can fit in an int.  */
 537
 538 extern int longest_to_int (LONGEST);
 539
 540 #include "common-utils.h"
 541
 542 /* * List of known OS ABIs.  If you change this, make sure to update the
 543    table in osabi.c.  */
 544 enum gdb_osabi
 545 {
 546   GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info.  */
 547
 548   GDB_OSABI_UNKNOWN = 0,        /* keep this zero */
 549
 550   GDB_OSABI_SVR4,
 551   GDB_OSABI_HURD,
 552   GDB_OSABI_SOLARIS,
 553   GDB_OSABI_OSF1,
 554   GDB_OSABI_LINUX,
 555   GDB_OSABI_FREEBSD_AOUT,
 556   GDB_OSABI_FREEBSD_ELF,
 557   GDB_OSABI_NETBSD_AOUT,
 558   GDB_OSABI_NETBSD_ELF,
 559   GDB_OSABI_OPENBSD_ELF,
 560   GDB_OSABI_WINCE,
 561   GDB_OSABI_GO32,
 562   GDB_OSABI_IRIX,
 563   GDB_OSABI_HPUX_ELF,
 564   GDB_OSABI_HPUX_SOM,
 565   GDB_OSABI_QNXNTO,
 566   GDB_OSABI_CYGWIN,
 567   GDB_OSABI_AIX,
 568   GDB_OSABI_DICOS,
 569   GDB_OSABI_DARWIN,
 570   GDB_OSABI_SYMBIAN,
 571   GDB_OSABI_OPENVMS,
 572   GDB_OSABI_LYNXOS178,
 573   GDB_OSABI_NEWLIB,
 574
 575   GDB_OSABI_INVALID             /* keep this last */
 576 };
 577
 578 /* Global functions from other, non-gdb GNU thingies.
 579    Libiberty thingies are no longer declared here.  We include libiberty.h
 580    above, instead.  */
 581
 582 /* From other system libraries */
 583
 584 #ifndef atof
 585 extern double atof (const char *);      /* X3.159-1989  4.10.1.1 */
 586 #endif
 587
 588 /* Various possibilities for alloca.  */
 589 #ifndef alloca
 590 #ifdef __GNUC__
 591 #define alloca __builtin_alloca
 592 #else /* Not GNU C */
 593 #ifdef HAVE_ALLOCA_H
 594 #include <alloca.h>
 595 #else
 596 #ifdef _AIX
 597 #pragma alloca
 598 #else
 599
 600 /* We need to be careful not to declare this in a way which conflicts with
 601    bison.  Bison never declares it as char *, but under various circumstances
 602    (like __hpux) we need to use void *.  */
 603 extern void *alloca ();
 604 #endif /* Not _AIX */
 605 #endif /* Not HAVE_ALLOCA_H */
 606 #endif /* Not GNU C */
 607 #endif /* alloca not defined */
 608
 609 /* Dynamic target-system-dependent parameters for GDB.  */
 610 #include "gdbarch.h"
 611
 612 /* * Maximum size of a register.  Something small, but large enough for
 613    all known ISAs.  If it turns out to be too small, make it bigger.  */
 614
 615 enum { MAX_REGISTER_SIZE = 64 };
 616
 617 /* Static target-system-dependent parameters for GDB.  */
 618
 619 /* * Number of bits in a char or unsigned char for the target machine.
 620    Just like CHAR_BIT in <limits.h> but describes the target machine.  */
 621 #if !defined (TARGET_CHAR_BIT)
 622 #define TARGET_CHAR_BIT 8
 623 #endif
 624
 625 /* * If we picked up a copy of CHAR_BIT from a configuration file
 626    (which may get it by including <limits.h>) then use it to set
 627    the number of bits in a host char.  If not, use the same size
 628    as the target.  */
 629
 630 #if defined (CHAR_BIT)
 631 #define HOST_CHAR_BIT CHAR_BIT
 632 #else
 633 #define HOST_CHAR_BIT TARGET_CHAR_BIT
 634 #endif
 635
 636 /* In findvar.c.  */
 637
 638 extern LONGEST extract_signed_integer (const gdb_byte *, int,
 639                                        enum bfd_endian);
 640
 641 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
 642                                           enum bfd_endian);
 643
 644 extern int extract_long_unsigned_integer (const gdb_byte *, int,
 645                                           enum bfd_endian, LONGEST *);
 646
 647 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
 648                                         struct type *type);
 649
 650 extern void store_signed_integer (gdb_byte *, int,
 651                                   enum bfd_endian, LONGEST);
 652
 653 extern void store_unsigned_integer (gdb_byte *, int,
 654                                     enum bfd_endian, ULONGEST);
 655
 656 extern void store_typed_address (gdb_byte *buf, struct type *type,
 657                                  CORE_ADDR addr);
 658
 659 \f
 660 /* From valops.c */
 661
 662 extern int watchdog;
 663
 664 /* Hooks for alternate command interfaces.  */
 665
 666 /* * The name of the interpreter if specified on the command line.  */
 667 extern char *interpreter_p;
 668
 669 /* If a given interpreter matches INTERPRETER_P then it should update
 670    deprecated_init_ui_hook with the per-interpreter implementation.  */
 671 /* FIXME: deprecated_init_ui_hook should be moved here.  */
 672
 673 struct target_waitstatus;
 674 struct cmd_list_element;
 675
 676 extern void (*deprecated_pre_add_symbol_hook) (const char *);
 677 extern void (*deprecated_post_add_symbol_hook) (void);
 678 extern void (*selected_frame_level_changed_hook) (int);
 679 extern int (*deprecated_ui_loop_hook) (int signo);
 680 extern void (*deprecated_init_ui_hook) (char *argv0);
 681 extern void (*deprecated_show_load_progress) (const char *section,
 682                                               unsigned long section_sent,
 683                                               unsigned long section_size,
 684                                               unsigned long total_sent,
 685                                               unsigned long total_size);
 686 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
 687                                                          int line,
 688                                                          int stopline,
 689                                                          int noerror);
 690 extern int (*deprecated_query_hook) (const char *, va_list)
 691      ATTRIBUTE_FPTR_PRINTF(1,0);
 692 extern void (*deprecated_warning_hook) (const char *, va_list)
 693      ATTRIBUTE_FPTR_PRINTF(1,0);
 694 extern void (*deprecated_interactive_hook) (void);
 695 extern void (*deprecated_readline_begin_hook) (char *, ...)
 696      ATTRIBUTE_FPTR_PRINTF_1;
 697 extern char *(*deprecated_readline_hook) (char *);
 698 extern void (*deprecated_readline_end_hook) (void);
 699 extern void (*deprecated_register_changed_hook) (int regno);
 700 extern void (*deprecated_context_hook) (int);
 701 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
 702                                               struct target_waitstatus *status,
 703                                               int options);
 704
 705 extern void (*deprecated_attach_hook) (void);
 706 extern void (*deprecated_detach_hook) (void);
 707 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
 708                                              char *cmd, int from_tty);
 709
 710 extern int (*deprecated_ui_load_progress_hook) (const char *section,
 711                                                 unsigned long num);
 712
 713 /* If this definition isn't overridden by the header files, assume
 714    that isatty and fileno exist on this system.  */
 715 #ifndef ISATTY
 716 #define ISATTY(FP)      (isatty (fileno (FP)))
 717 #endif
 718
 719 /* * A width that can achieve a better legibility for GDB MI mode.  */
 720 #define GDB_MI_MSG_WIDTH  80
 721
 722 /* From progspace.c */
 723
 724 extern void initialize_progspace (void);
 725 extern void initialize_inferiors (void);
 726
 727 /* * Special block numbers */
 728
 729 enum block_enum
 730 {
 731   GLOBAL_BLOCK = 0,
 732   STATIC_BLOCK = 1,
 733   FIRST_LOCAL_BLOCK = 2
 734 };
 735
 736 #include "utils.h"
 737
 738 #endif /* #ifndef DEFS_H */