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 /* For ``enum gdb_signal''.  */
  58 #include "gdb/signals.h"
  59
  60 #include "ui-file.h"
  61
  62 #include "host-defs.h"
  63
  64 /* Just in case they're not defined in stdio.h.  */
  65
  66 #ifndef SEEK_SET
  67 #define SEEK_SET 0
  68 #endif
  69 #ifndef SEEK_CUR
  70 #define SEEK_CUR 1
  71 #endif
  72
  73 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
  74    It is used as an access modifier in calls to open(), where it acts
  75    similarly to the "b" character in fopen()'s MODE argument.  On Posix
  76    platforms it should be a no-op, so it is defined as 0 here.  This
  77    ensures that the symbol may be used freely elsewhere in gdb.  */
  78
  79 #ifndef O_BINARY
  80 #define O_BINARY 0
  81 #endif
  82
  83 #include "hashtab.h"
  84
  85 /* Rather than duplicate all the logic in BFD for figuring out what
  86    types to use (which can be pretty complicated), symply define them
  87    in terms of the corresponding type from BFD.  */
  88
  89 #include "bfd.h"
  90
  91 /* * A byte from the program being debugged.  */
  92 typedef bfd_byte gdb_byte;
  93
  94 /* * An address in the program being debugged.  Host byte order.  */
  95 typedef bfd_vma CORE_ADDR;
  96
  97 /* * The largest CORE_ADDR value.  */
  98 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
  99
 100 /* This is to make sure that LONGEST is at least as big as CORE_ADDR.  */
 101
 102 #ifdef BFD64
 103
 104 #define LONGEST BFD_HOST_64_BIT
 105 #define ULONGEST BFD_HOST_U_64_BIT
 106
 107 #else /* No BFD64 */
 108
 109 #define LONGEST long long
 110 #define ULONGEST unsigned long long
 111
 112 #endif /* No BFD64 */
 113
 114 #ifndef min
 115 #define min(a, b) ((a) < (b) ? (a) : (b))
 116 #endif
 117 #ifndef max
 118 #define max(a, b) ((a) > (b) ? (a) : (b))
 119 #endif
 120
 121 #include "ptid.h"
 122
 123 /* * Enable xdb commands if set.  */
 124 extern int xdb_commands;
 125
 126 /* * Enable dbx commands if set.  */
 127 extern int dbx_commands;
 128
 129 /* * System root path, used to find libraries etc.  */
 130 extern char *gdb_sysroot;
 131
 132 /* * GDB datadir, used to store data files.  */
 133 extern char *gdb_datadir;
 134
 135 /* * If non-NULL, the possibly relocated path to python's "lib" directory
 136    specified with --with-python.  */
 137 extern char *python_libdir;
 138
 139 /* * Search path for separate debug files.  */
 140 extern char *debug_file_directory;
 141
 142 /* GDB has two methods for handling SIGINT.  When immediate_quit is
 143    nonzero, a SIGINT results in an immediate longjmp out of the signal
 144    handler.  Otherwise, SIGINT simply sets a flag; code that might
 145    take a long time, and which ought to be interruptible, checks this
 146    flag using the QUIT macro.
 147
 148    These functions use the extension_language_ops API to allow extension
 149    language(s) and GDB SIGINT handling to coexist seamlessly.  */
 150
 151 /* * Clear the quit flag.  */
 152 extern void clear_quit_flag (void);
 153 /* * Evaluate to non-zero if the quit flag is set, zero otherwise.  This
 154    will clear the quit flag as a side effect.  */
 155 extern int check_quit_flag (void);
 156 /* * Set the quit flag.  */
 157 extern void set_quit_flag (void);
 158
 159 /* Flag that function quit should call quit_force.  */
 160 extern volatile int sync_quit_force_run;
 161
 162 extern int immediate_quit;
 163
 164 extern void quit (void);
 165
 166 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
 167    benefits of having a ``QUIT'' macro rather than a function are
 168    marginal.  If the overhead of a QUIT function call is proving
 169    significant then its calling frequency should probably be reduced
 170    [kingdon].  A profile analyzing the current situtation is
 171    needed.  */
 172
 173 #define QUIT { \
 174   if (check_quit_flag () || sync_quit_force_run) quit (); \
 175   if (deprecated_interactive_hook) deprecated_interactive_hook (); \
 176 }
 177
 178 /* * Languages represented in the symbol table and elsewhere.
 179    This should probably be in language.h, but since enum's can't
 180    be forward declared to satisfy opaque references before their
 181    actual definition, needs to be here.  */
 182
 183 enum language
 184   {
 185     language_unknown,           /* Language not known */
 186     language_auto,              /* Placeholder for automatic setting */
 187     language_c,                 /* C */
 188     language_cplus,             /* C++ */
 189     language_d,                 /* D */
 190     language_go,                /* Go */
 191     language_objc,              /* Objective-C */
 192     language_java,              /* Java */
 193     language_fortran,           /* Fortran */
 194     language_m2,                /* Modula-2 */
 195     language_asm,               /* Assembly language */
 196     language_pascal,            /* Pascal */
 197     language_ada,               /* Ada */
 198     language_opencl,            /* OpenCL */
 199     language_minimal,           /* All other languages, minimal support only */
 200     nr_languages
 201   };
 202
 203 enum precision_type
 204   {
 205     single_precision,
 206     double_precision,
 207     unspecified_precision
 208   };
 209
 210 /* * A generic, not quite boolean, enumeration.  This is used for
 211    set/show commands in which the options are on/off/automatic.  */
 212 enum auto_boolean
 213 {
 214   AUTO_BOOLEAN_TRUE,
 215   AUTO_BOOLEAN_FALSE,
 216   AUTO_BOOLEAN_AUTO
 217 };
 218
 219 /* * Potential ways that a function can return a value of a given
 220    type.  */
 221
 222 enum return_value_convention
 223 {
 224   /* * Where the return value has been squeezed into one or more
 225      registers.  */
 226   RETURN_VALUE_REGISTER_CONVENTION,
 227   /* * Commonly known as the "struct return convention".  The caller
 228      passes an additional hidden first parameter to the caller.  That
 229      parameter contains the address at which the value being returned
 230      should be stored.  While typically, and historically, used for
 231      large structs, this is convention is applied to values of many
 232      different types.  */
 233   RETURN_VALUE_STRUCT_CONVENTION,
 234   /* * Like the "struct return convention" above, but where the ABI
 235      guarantees that the called function stores the address at which
 236      the value being returned is stored in a well-defined location,
 237      such as a register or memory slot in the stack frame.  Don't use
 238      this if the ABI doesn't explicitly guarantees this.  */
 239   RETURN_VALUE_ABI_RETURNS_ADDRESS,
 240   /* * Like the "struct return convention" above, but where the ABI
 241      guarantees that the address at which the value being returned is
 242      stored will be available in a well-defined location, such as a
 243      register or memory slot in the stack frame.  Don't use this if
 244      the ABI doesn't explicitly guarantees this.  */
 245   RETURN_VALUE_ABI_PRESERVES_ADDRESS,
 246 };
 247
 248 /* Needed for various prototypes */
 249
 250 struct symtab;
 251 struct breakpoint;
 252 struct frame_info;
 253 struct gdbarch;
 254 struct value;
 255
 256 /* From main.c.  */
 257
 258 /* This really belong in utils.c (path-utils.c?), but it references some
 259    globals that are currently only available to main.c.  */
 260 extern char *relocate_gdb_directory (const char *initial, int flag);
 261
 262 \f
 263 /* Annotation stuff.  */
 264
 265 extern int annotation_level;    /* in stack.c */
 266 \f
 267
 268 /* From regex.c or libc.  BSD 4.4 declares this with the argument type as
 269    "const char *" in unistd.h, so we can't declare the argument
 270    as "char *".  */
 271
 272 extern char *re_comp (const char *);
 273
 274 /* From symfile.c */
 275
 276 extern void symbol_file_command (char *, int);
 277
 278 /* * Remote targets may wish to use this as their load function.  */
 279 extern void generic_load (const char *name, int from_tty);
 280
 281 /* * Report on STREAM the performance of memory transfer operation,
 282    such as 'load'.
 283    @param DATA_COUNT is the number of bytes transferred.
 284    @param WRITE_COUNT is the number of separate write operations, or 0,
 285    if that information is not available.
 286    @param START_TIME is the time at which an operation was started.
 287    @param END_TIME is the time at which an operation ended.  */
 288 struct timeval;
 289 extern void print_transfer_performance (struct ui_file *stream,
 290                                         unsigned long data_count,
 291                                         unsigned long write_count,
 292                                         const struct timeval *start_time,
 293                                         const struct timeval *end_time);
 294
 295 /* From top.c */
 296
 297 typedef void initialize_file_ftype (void);
 298
 299 extern char *gdb_readline (char *);
 300
 301 extern char *gdb_readline_wrapper (char *);
 302
 303 extern char *command_line_input (char *, int, char *);
 304
 305 extern void print_prompt (void);
 306
 307 extern int input_from_terminal_p (void);
 308
 309 extern int info_verbose;
 310
 311 /* From printcmd.c */
 312
 313 extern void set_next_address (struct gdbarch *, CORE_ADDR);
 314
 315 extern int print_address_symbolic (struct gdbarch *, CORE_ADDR,
 316                                    struct ui_file *, int, char *);
 317
 318 extern int build_address_symbolic (struct gdbarch *,
 319                                    CORE_ADDR addr,
 320                                    int do_demangle,
 321                                    char **name,
 322                                    int *offset,
 323                                    char **filename,
 324                                    int *line,
 325                                    int *unmapped);
 326
 327 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
 328 extern const char *pc_prefix (CORE_ADDR);
 329
 330 /* From source.c */
 331
 332 /* See openp function definition for their description.  */
 333 #define OPF_TRY_CWD_FIRST     0x01
 334 #define OPF_SEARCH_IN_PATH    0x02
 335 #define OPF_RETURN_REALPATH   0x04
 336
 337 extern int openp (const char *, int, const char *, int, char **);
 338
 339 extern int source_full_path_of (const char *, char **);
 340
 341 extern void mod_path (char *, char **);
 342
 343 extern void add_path (char *, char **, int);
 344
 345 extern void directory_switch (char *, int);
 346
 347 extern char *source_path;
 348
 349 extern void init_source_path (void);
 350
 351 /* From exec.c */
 352
 353 /* * Process memory area starting at ADDR with length SIZE.  Area is
 354    readable iff READ is non-zero, writable if WRITE is non-zero,
 355    executable if EXEC is non-zero.  Area is possibly changed against
 356    its original file based copy if MODIFIED is non-zero.  DATA is
 357    passed without changes from a caller.  */
 358
 359 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
 360                                          int read, int write, int exec,
 361                                          int modified, void *data);
 362
 363 /* * Possible lvalue types.  Like enum language, this should be in
 364    value.h, but needs to be here for the same reason.  */
 365
 366 enum lval_type
 367   {
 368     /* * Not an lval.  */
 369     not_lval,
 370     /* * In memory.  */
 371     lval_memory,
 372     /* * In a register.  Registers are relative to a frame.  */
 373     lval_register,
 374     /* * In a gdb internal variable.  */
 375     lval_internalvar,
 376     /* * Value encapsulates a callable defined in an extension language.  */
 377     lval_xcallable,
 378     /* * Part of a gdb internal variable (structure field).  */
 379     lval_internalvar_component,
 380     /* * Value's bits are fetched and stored using functions provided
 381        by its creator.  */
 382     lval_computed
 383   };
 384
 385 /* * Control types for commands.  */
 386
 387 enum misc_command_type
 388   {
 389     ok_command,
 390     end_command,
 391     else_command,
 392     nop_command
 393   };
 394
 395 enum command_control_type
 396   {
 397     simple_control,
 398     break_control,
 399     continue_control,
 400     while_control,
 401     if_control,
 402     commands_control,
 403     python_control,
 404     guile_control,
 405     while_stepping_control,
 406     invalid_control
 407   };
 408
 409 /* * Structure for saved commands lines (for breakpoints, defined
 410    commands, etc).  */
 411
 412 struct command_line
 413   {
 414     struct command_line *next;
 415     char *line;
 416     enum command_control_type control_type;
 417     /* * The number of elements in body_list.  */
 418     int body_count;
 419     /* * For composite commands, the nested lists of commands.  For
 420        example, for "if" command this will contain the then branch and
 421        the else branch, if that is available.  */
 422     struct command_line **body_list;
 423   };
 424
 425 extern struct command_line *read_command_lines (char *, int, int,
 426                                                 void (*)(char *, void *),
 427                                                 void *);
 428 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
 429                                                   void (*)(char *, void *),
 430                                                   void *);
 431
 432 extern void free_command_lines (struct command_line **);
 433
 434 /* * Parameters of the "info proc" command.  */
 435
 436 enum info_proc_what
 437   {
 438     /* * Display the default cmdline, cwd and exe outputs.  */
 439     IP_MINIMAL,
 440
 441     /* * Display `info proc mappings'.  */
 442     IP_MAPPINGS,
 443
 444     /* * Display `info proc status'.  */
 445     IP_STATUS,
 446
 447     /* * Display `info proc stat'.  */
 448     IP_STAT,
 449
 450     /* * Display `info proc cmdline'.  */
 451     IP_CMDLINE,
 452
 453     /* * Display `info proc exe'.  */
 454     IP_EXE,
 455
 456     /* * Display `info proc cwd'.  */
 457     IP_CWD,
 458
 459     /* * Display all of the above.  */
 460     IP_ALL
 461   };
 462
 463 /* * String containing the current directory (what getwd would return).  */
 464
 465 extern char *current_directory;
 466
 467 /* * Default radixes for input and output.  Only some values supported.  */
 468 extern unsigned input_radix;
 469 extern unsigned output_radix;
 470
 471 /* * Possibilities for prettyformat parameters to routines which print
 472    things.  Like enum language, this should be in value.h, but needs
 473    to be here for the same reason.  FIXME:  If we can eliminate this
 474    as an arg to LA_VAL_PRINT, then we can probably move it back to
 475    value.h.  */
 476
 477 enum val_prettyformat
 478   {
 479     Val_no_prettyformat = 0,
 480     Val_prettyformat,
 481     /* * Use the default setting which the user has specified.  */
 482     Val_prettyformat_default
 483   };
 484
 485 /* * Optional native machine support.  Non-native (and possibly pure
 486    multi-arch) targets do not need a "nm.h" file.  This will be a
 487    symlink to one of the nm-*.h files, built by the `configure'
 488    script.  */
 489
 490 #ifdef GDB_NM_FILE
 491 #include "nm.h"
 492 #endif
 493
 494 /* Assume that fopen accepts the letter "b" in the mode string.
 495    It is demanded by ISO C9X, and should be supported on all
 496    platforms that claim to have a standard-conforming C library.  On
 497    true POSIX systems it will be ignored and have no effect.  There
 498    may still be systems without a standard-conforming C library where
 499    an ISO C9X compiler (GCC) is available.  Known examples are SunOS
 500    4.x and 4.3BSD.  This assumption means these systems are no longer
 501    supported.  */
 502 #ifndef FOPEN_RB
 503 # include "fopen-bin.h"
 504 #endif
 505
 506 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
 507    FIXME: Assumes 2's complement arithmetic.  */
 508
 509 #if !defined (UINT_MAX)
 510 #define UINT_MAX ((unsigned int)(~0))       /* 0xFFFFFFFF for 32-bits */
 511 #endif
 512
 513 #if !defined (INT_MAX)
 514 #define INT_MAX ((int)(UINT_MAX >> 1))      /* 0x7FFFFFFF for 32-bits */
 515 #endif
 516
 517 #if !defined (INT_MIN)
 518 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
 519 #endif
 520
 521 #if !defined (ULONG_MAX)
 522 #define ULONG_MAX ((unsigned long)(~0L))    /* 0xFFFFFFFF for 32-bits */
 523 #endif
 524
 525 #if !defined (LONG_MAX)
 526 #define LONG_MAX ((long)(ULONG_MAX >> 1))   /* 0x7FFFFFFF for 32-bits */
 527 #endif
 528
 529 #if !defined (ULONGEST_MAX)
 530 #define ULONGEST_MAX (~(ULONGEST)0)        /* 0xFFFFFFFFFFFFFFFF for 64-bits */
 531 #endif
 532
 533 #if !defined (LONGEST_MAX)                 /* 0x7FFFFFFFFFFFFFFF for 64-bits */
 534 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
 535 #endif
 536
 537 /* * Convert a LONGEST to an int.  This is used in contexts (e.g. number of
 538    arguments to a function, number in a value history, register number, etc.)
 539    where the value must not be larger than can fit in an int.  */
 540
 541 extern int longest_to_int (LONGEST);
 542
 543 #include "common-utils.h"
 544
 545 /* * List of known OS ABIs.  If you change this, make sure to update the
 546    table in osabi.c.  */
 547 enum gdb_osabi
 548 {
 549   GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info.  */
 550
 551   GDB_OSABI_UNKNOWN = 0,        /* keep this zero */
 552
 553   GDB_OSABI_SVR4,
 554   GDB_OSABI_HURD,
 555   GDB_OSABI_SOLARIS,
 556   GDB_OSABI_OSF1,
 557   GDB_OSABI_LINUX,
 558   GDB_OSABI_FREEBSD_AOUT,
 559   GDB_OSABI_FREEBSD_ELF,
 560   GDB_OSABI_NETBSD_AOUT,
 561   GDB_OSABI_NETBSD_ELF,
 562   GDB_OSABI_OPENBSD_ELF,
 563   GDB_OSABI_WINCE,
 564   GDB_OSABI_GO32,
 565   GDB_OSABI_IRIX,
 566   GDB_OSABI_HPUX_ELF,
 567   GDB_OSABI_HPUX_SOM,
 568   GDB_OSABI_QNXNTO,
 569   GDB_OSABI_CYGWIN,
 570   GDB_OSABI_AIX,
 571   GDB_OSABI_DICOS,
 572   GDB_OSABI_DARWIN,
 573   GDB_OSABI_SYMBIAN,
 574   GDB_OSABI_OPENVMS,
 575   GDB_OSABI_LYNXOS178,
 576   GDB_OSABI_NEWLIB,
 577
 578   GDB_OSABI_INVALID             /* keep this last */
 579 };
 580
 581 /* Global functions from other, non-gdb GNU thingies.
 582    Libiberty thingies are no longer declared here.  We include libiberty.h
 583    above, instead.  */
 584
 585 /* From other system libraries */
 586
 587 #ifndef atof
 588 extern double atof (const char *);      /* X3.159-1989  4.10.1.1 */
 589 #endif
 590
 591 /* Various possibilities for alloca.  */
 592 #ifndef alloca
 593 #ifdef __GNUC__
 594 #define alloca __builtin_alloca
 595 #else /* Not GNU C */
 596 #ifdef HAVE_ALLOCA_H
 597 #include <alloca.h>
 598 #else
 599 #ifdef _AIX
 600 #pragma alloca
 601 #else
 602
 603 /* We need to be careful not to declare this in a way which conflicts with
 604    bison.  Bison never declares it as char *, but under various circumstances
 605    (like __hpux) we need to use void *.  */
 606 extern void *alloca ();
 607 #endif /* Not _AIX */
 608 #endif /* Not HAVE_ALLOCA_H */
 609 #endif /* Not GNU C */
 610 #endif /* alloca not defined */
 611
 612 /* Dynamic target-system-dependent parameters for GDB.  */
 613 #include "gdbarch.h"
 614
 615 /* * Maximum size of a register.  Something small, but large enough for
 616    all known ISAs.  If it turns out to be too small, make it bigger.  */
 617
 618 enum { MAX_REGISTER_SIZE = 64 };
 619
 620 /* Static target-system-dependent parameters for GDB.  */
 621
 622 /* * Number of bits in a char or unsigned char for the target machine.
 623    Just like CHAR_BIT in <limits.h> but describes the target machine.  */
 624 #if !defined (TARGET_CHAR_BIT)
 625 #define TARGET_CHAR_BIT 8
 626 #endif
 627
 628 /* * If we picked up a copy of CHAR_BIT from a configuration file
 629    (which may get it by including <limits.h>) then use it to set
 630    the number of bits in a host char.  If not, use the same size
 631    as the target.  */
 632
 633 #if defined (CHAR_BIT)
 634 #define HOST_CHAR_BIT CHAR_BIT
 635 #else
 636 #define HOST_CHAR_BIT TARGET_CHAR_BIT
 637 #endif
 638
 639 /* In findvar.c.  */
 640
 641 extern LONGEST extract_signed_integer (const gdb_byte *, int,
 642                                        enum bfd_endian);
 643
 644 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
 645                                           enum bfd_endian);
 646
 647 extern int extract_long_unsigned_integer (const gdb_byte *, int,
 648                                           enum bfd_endian, LONGEST *);
 649
 650 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
 651                                         struct type *type);
 652
 653 extern void store_signed_integer (gdb_byte *, int,
 654                                   enum bfd_endian, LONGEST);
 655
 656 extern void store_unsigned_integer (gdb_byte *, int,
 657                                     enum bfd_endian, ULONGEST);
 658
 659 extern void store_typed_address (gdb_byte *buf, struct type *type,
 660                                  CORE_ADDR addr);
 661
 662 \f
 663 /* From valops.c */
 664
 665 extern int watchdog;
 666
 667 /* Hooks for alternate command interfaces.  */
 668
 669 /* * The name of the interpreter if specified on the command line.  */
 670 extern char *interpreter_p;
 671
 672 /* If a given interpreter matches INTERPRETER_P then it should update
 673    deprecated_init_ui_hook with the per-interpreter implementation.  */
 674 /* FIXME: deprecated_init_ui_hook should be moved here.  */
 675
 676 struct target_waitstatus;
 677 struct cmd_list_element;
 678
 679 extern void (*deprecated_pre_add_symbol_hook) (const char *);
 680 extern void (*deprecated_post_add_symbol_hook) (void);
 681 extern void (*selected_frame_level_changed_hook) (int);
 682 extern int (*deprecated_ui_loop_hook) (int signo);
 683 extern void (*deprecated_init_ui_hook) (char *argv0);
 684 extern void (*deprecated_show_load_progress) (const char *section,
 685                                               unsigned long section_sent,
 686                                               unsigned long section_size,
 687                                               unsigned long total_sent,
 688                                               unsigned long total_size);
 689 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
 690                                                          int line,
 691                                                          int stopline,
 692                                                          int noerror);
 693 extern int (*deprecated_query_hook) (const char *, va_list)
 694      ATTRIBUTE_FPTR_PRINTF(1,0);
 695 extern void (*deprecated_warning_hook) (const char *, va_list)
 696      ATTRIBUTE_FPTR_PRINTF(1,0);
 697 extern void (*deprecated_interactive_hook) (void);
 698 extern void (*deprecated_readline_begin_hook) (char *, ...)
 699      ATTRIBUTE_FPTR_PRINTF_1;
 700 extern char *(*deprecated_readline_hook) (char *);
 701 extern void (*deprecated_readline_end_hook) (void);
 702 extern void (*deprecated_register_changed_hook) (int regno);
 703 extern void (*deprecated_context_hook) (int);
 704 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
 705                                               struct target_waitstatus *status,
 706                                               int options);
 707
 708 extern void (*deprecated_attach_hook) (void);
 709 extern void (*deprecated_detach_hook) (void);
 710 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
 711                                              char *cmd, int from_tty);
 712
 713 extern int (*deprecated_ui_load_progress_hook) (const char *section,
 714                                                 unsigned long num);
 715
 716 /* If this definition isn't overridden by the header files, assume
 717    that isatty and fileno exist on this system.  */
 718 #ifndef ISATTY
 719 #define ISATTY(FP)      (isatty (fileno (FP)))
 720 #endif
 721
 722 /* * A width that can achieve a better legibility for GDB MI mode.  */
 723 #define GDB_MI_MSG_WIDTH  80
 724
 725 /* From progspace.c */
 726
 727 extern void initialize_progspace (void);
 728 extern void initialize_inferiors (void);
 729
 730 /* * Special block numbers */
 731
 732 enum block_enum
 733 {
 734   GLOBAL_BLOCK = 0,
 735   STATIC_BLOCK = 1,
 736   FIRST_LOCAL_BLOCK = 2
 737 };
 738
 739 #include "utils.h"
 740
 741 #endif /* #ifndef DEFS_H */