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 "config.h"             /* Generated by configure.  */
  29 #include "build-gnulib/config.h"
  30
  31 #include <sys/types.h>
  32 #include <stdio.h>
  33 #include <errno.h>              /* System call error return status.  */
  34 #include <limits.h>
  35 #include <stdint.h>
  36
  37 /* The libdecnumber library, on which GDB depends, includes a header file
  38    called gstdint.h instead of relying directly on stdint.h.  GDB, on the
  39    other hand, includes stdint.h directly, relying on the fact that gnulib
  40    generates a copy if the system doesn't provide one or if it is missing
  41    some features.  Unfortunately, gstdint.h and stdint.h cannot be included
  42    at the same time, which may happen when we include a file from
  43    libdecnumber.
  44
  45    The following macro definition effectively prevents the inclusion of
  46    gstdint.h, as all the definitions it provides are guarded against
  47    the GCC_GENERATED_STDINT_H macro.  We already have gnulib/stdint.h
  48    included, so it's ok to blank out gstdint.h.  */
  49 #define GCC_GENERATED_STDINT_H 1
  50
  51 #include <stddef.h>
  52
  53 #include <unistd.h>
  54
  55 /* For gnulib's PATH_MAX.  */
  56 #include "pathmax.h"
  57
  58 #include <fcntl.h>
  59
  60 /* First include ansidecl.h so we can use the various macro definitions
  61    here and in all subsequent file inclusions.  */
  62
  63 #include "ansidecl.h"
  64
  65 #include "gdb_locale.h"
  66
  67 #include "gdb_wchar.h"
  68
  69 /* For ``enum gdb_signal''.  */
  70 #include "gdb/signals.h"
  71
  72 #include "ui-file.h"
  73
  74 #include "host-defs.h"
  75
  76 /* Just in case they're not defined in stdio.h.  */
  77
  78 #ifndef SEEK_SET
  79 #define SEEK_SET 0
  80 #endif
  81 #ifndef SEEK_CUR
  82 #define SEEK_CUR 1
  83 #endif
  84
  85 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
  86    It is used as an access modifier in calls to open(), where it acts
  87    similarly to the "b" character in fopen()'s MODE argument.  On Posix
  88    platforms it should be a no-op, so it is defined as 0 here.  This
  89    ensures that the symbol may be used freely elsewhere in gdb.  */
  90
  91 #ifndef O_BINARY
  92 #define O_BINARY 0
  93 #endif
  94
  95 #include <stdarg.h>             /* For va_list.  */
  96
  97 #include "libiberty.h"
  98 #include "hashtab.h"
  99
 100 /* Rather than duplicate all the logic in BFD for figuring out what
 101    types to use (which can be pretty complicated), symply define them
 102    in terms of the corresponding type from BFD.  */
 103
 104 #include "bfd.h"
 105
 106 /* * A byte from the program being debugged.  */
 107 typedef bfd_byte gdb_byte;
 108
 109 /* * An address in the program being debugged.  Host byte order.  */
 110 typedef bfd_vma CORE_ADDR;
 111
 112 /* * The largest CORE_ADDR value.  */
 113 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
 114
 115 /* This is to make sure that LONGEST is at least as big as CORE_ADDR.  */
 116
 117 #ifdef BFD64
 118
 119 #define LONGEST BFD_HOST_64_BIT
 120 #define ULONGEST BFD_HOST_U_64_BIT
 121
 122 #else /* No BFD64 */
 123
 124 #define LONGEST long long
 125 #define ULONGEST unsigned long long
 126
 127 #endif /* No BFD64 */
 128
 129 #ifndef min
 130 #define min(a, b) ((a) < (b) ? (a) : (b))
 131 #endif
 132 #ifndef max
 133 #define max(a, b) ((a) > (b) ? (a) : (b))
 134 #endif
 135
 136 #include "ptid.h"
 137
 138 /* * Enable xdb commands if set.  */
 139 extern int xdb_commands;
 140
 141 /* * Enable dbx commands if set.  */
 142 extern int dbx_commands;
 143
 144 /* * System root path, used to find libraries etc.  */
 145 extern char *gdb_sysroot;
 146
 147 /* * GDB datadir, used to store data files.  */
 148 extern char *gdb_datadir;
 149
 150 /* * If non-NULL, the possibly relocated path to python's "lib" directory
 151    specified with --with-python.  */
 152 extern char *python_libdir;
 153
 154 /* * Search path for separate debug files.  */
 155 extern char *debug_file_directory;
 156
 157 /* GDB has two methods for handling SIGINT.  When immediate_quit is
 158    nonzero, a SIGINT results in an immediate longjmp out of the signal
 159    handler.  Otherwise, SIGINT simply sets a flag; code that might
 160    take a long time, and which ought to be interruptible, checks this
 161    flag using the QUIT macro.
 162
 163    These functions use the extension_language_ops API to allow extension
 164    language(s) and GDB SIGINT handling to coexist seamlessly.  */
 165
 166 /* * Clear the quit flag.  */
 167 extern void clear_quit_flag (void);
 168 /* * Evaluate to non-zero if the quit flag is set, zero otherwise.  This
 169    will clear the quit flag as a side effect.  */
 170 extern int check_quit_flag (void);
 171 /* * Set the quit flag.  */
 172 extern void set_quit_flag (void);
 173
 174 extern int immediate_quit;
 175
 176 extern void quit (void);
 177
 178 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
 179    benefits of having a ``QUIT'' macro rather than a function are
 180    marginal.  If the overhead of a QUIT function call is proving
 181    significant then its calling frequency should probably be reduced
 182    [kingdon].  A profile analyzing the current situtation is
 183    needed.  */
 184
 185 #define QUIT { \
 186   if (check_quit_flag ()) quit (); \
 187   if (deprecated_interactive_hook) deprecated_interactive_hook (); \
 188 }
 189
 190 /* * Languages represented in the symbol table and elsewhere.
 191    This should probably be in language.h, but since enum's can't
 192    be forward declared to satisfy opaque references before their
 193    actual definition, needs to be here.  */
 194
 195 enum language
 196   {
 197     language_unknown,           /* Language not known */
 198     language_auto,              /* Placeholder for automatic setting */
 199     language_c,                 /* C */
 200     language_cplus,             /* C++ */
 201     language_d,                 /* D */
 202     language_go,                /* Go */
 203     language_objc,              /* Objective-C */
 204     language_java,              /* Java */
 205     language_fortran,           /* Fortran */
 206     language_m2,                /* Modula-2 */
 207     language_asm,               /* Assembly language */
 208     language_pascal,            /* Pascal */
 209     language_ada,               /* Ada */
 210     language_opencl,            /* OpenCL */
 211     language_minimal,           /* All other languages, minimal support only */
 212     nr_languages
 213   };
 214
 215 enum precision_type
 216   {
 217     single_precision,
 218     double_precision,
 219     unspecified_precision
 220   };
 221
 222 /* * A generic, not quite boolean, enumeration.  This is used for
 223    set/show commands in which the options are on/off/automatic.  */
 224 enum auto_boolean
 225 {
 226   AUTO_BOOLEAN_TRUE,
 227   AUTO_BOOLEAN_FALSE,
 228   AUTO_BOOLEAN_AUTO
 229 };
 230
 231 /* * Potential ways that a function can return a value of a given
 232    type.  */
 233
 234 enum return_value_convention
 235 {
 236   /* * Where the return value has been squeezed into one or more
 237      registers.  */
 238   RETURN_VALUE_REGISTER_CONVENTION,
 239   /* * Commonly known as the "struct return convention".  The caller
 240      passes an additional hidden first parameter to the caller.  That
 241      parameter contains the address at which the value being returned
 242      should be stored.  While typically, and historically, used for
 243      large structs, this is convention is applied to values of many
 244      different types.  */
 245   RETURN_VALUE_STRUCT_CONVENTION,
 246   /* * Like the "struct return convention" above, but where the ABI
 247      guarantees that the called function stores the address at which
 248      the value being returned is stored in a well-defined location,
 249      such as a register or memory slot in the stack frame.  Don't use
 250      this if the ABI doesn't explicitly guarantees this.  */
 251   RETURN_VALUE_ABI_RETURNS_ADDRESS,
 252   /* * Like the "struct return convention" above, but where the ABI
 253      guarantees that the address at which the value being returned is
 254      stored will be available in a well-defined location, such as a
 255      register or memory slot in the stack frame.  Don't use this if
 256      the ABI doesn't explicitly guarantees this.  */
 257   RETURN_VALUE_ABI_PRESERVES_ADDRESS,
 258 };
 259
 260 /* Needed for various prototypes */
 261
 262 struct symtab;
 263 struct breakpoint;
 264 struct frame_info;
 265 struct gdbarch;
 266 struct value;
 267
 268 /* From main.c.  */
 269
 270 /* This really belong in utils.c (path-utils.c?), but it references some
 271    globals that are currently only available to main.c.  */
 272 extern char *relocate_gdb_directory (const char *initial, int flag);
 273
 274 \f
 275 /* Annotation stuff.  */
 276
 277 extern int annotation_level;    /* in stack.c */
 278 \f
 279
 280 /* From regex.c or libc.  BSD 4.4 declares this with the argument type as
 281    "const char *" in unistd.h, so we can't declare the argument
 282    as "char *".  */
 283
 284 extern char *re_comp (const char *);
 285
 286 /* From symfile.c */
 287
 288 extern void symbol_file_command (char *, int);
 289
 290 /* * Remote targets may wish to use this as their load function.  */
 291 extern void generic_load (char *name, int from_tty);
 292
 293 /* * Report on STREAM the performance of memory transfer operation,
 294    such as 'load'.
 295    @param DATA_COUNT is the number of bytes transferred.
 296    @param WRITE_COUNT is the number of separate write operations, or 0,
 297    if that information is not available.
 298    @param START_TIME is the time at which an operation was started.
 299    @param END_TIME is the time at which an operation ended.  */
 300 struct timeval;
 301 extern void print_transfer_performance (struct ui_file *stream,
 302                                         unsigned long data_count,
 303                                         unsigned long write_count,
 304                                         const struct timeval *start_time,
 305                                         const struct timeval *end_time);
 306
 307 /* From top.c */
 308
 309 typedef void initialize_file_ftype (void);
 310
 311 extern char *gdb_readline (char *);
 312
 313 extern char *gdb_readline_wrapper (char *);
 314
 315 extern char *command_line_input (char *, int, char *);
 316
 317 extern void print_prompt (void);
 318
 319 extern int input_from_terminal_p (void);
 320
 321 extern int info_verbose;
 322
 323 /* From printcmd.c */
 324
 325 extern void set_next_address (struct gdbarch *, CORE_ADDR);
 326
 327 extern int print_address_symbolic (struct gdbarch *, CORE_ADDR,
 328                                    struct ui_file *, int, char *);
 329
 330 extern int build_address_symbolic (struct gdbarch *,
 331                                    CORE_ADDR addr,
 332                                    int do_demangle,
 333                                    char **name,
 334                                    int *offset,
 335                                    char **filename,
 336                                    int *line,
 337                                    int *unmapped);
 338
 339 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
 340 extern const char *pc_prefix (CORE_ADDR);
 341
 342 /* From source.c */
 343
 344 /* See openp function definition for their description.  */
 345 #define OPF_TRY_CWD_FIRST     0x01
 346 #define OPF_SEARCH_IN_PATH    0x02
 347 #define OPF_RETURN_REALPATH   0x04
 348
 349 extern int openp (const char *, int, const char *, int, char **);
 350
 351 extern int source_full_path_of (const char *, char **);
 352
 353 extern void mod_path (char *, char **);
 354
 355 extern void add_path (char *, char **, int);
 356
 357 extern void directory_switch (char *, int);
 358
 359 extern char *source_path;
 360
 361 extern void init_source_path (void);
 362
 363 /* From exec.c */
 364
 365 /* * Process memory area starting at ADDR with length SIZE.  Area is
 366    readable iff READ is non-zero, writable if WRITE is non-zero,
 367    executable if EXEC is non-zero.  Area is possibly changed against
 368    its original file based copy if MODIFIED is non-zero.  DATA is
 369    passed without changes from a caller.  */
 370
 371 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
 372                                          int read, int write, int exec,
 373                                          int modified, void *data);
 374
 375 /* * Possible lvalue types.  Like enum language, this should be in
 376    value.h, but needs to be here for the same reason.  */
 377
 378 enum lval_type
 379   {
 380     /* * Not an lval.  */
 381     not_lval,
 382     /* * In memory.  */
 383     lval_memory,
 384     /* * In a register.  Registers are relative to a frame.  */
 385     lval_register,
 386     /* * In a gdb internal variable.  */
 387     lval_internalvar,
 388     /* * Part of a gdb internal variable (structure field).  */
 389     lval_internalvar_component,
 390     /* * Value's bits are fetched and stored using functions provided
 391        by its creator.  */
 392     lval_computed
 393   };
 394
 395 /* * Control types for commands.  */
 396
 397 enum misc_command_type
 398   {
 399     ok_command,
 400     end_command,
 401     else_command,
 402     nop_command
 403   };
 404
 405 enum command_control_type
 406   {
 407     simple_control,
 408     break_control,
 409     continue_control,
 410     while_control,
 411     if_control,
 412     commands_control,
 413     python_control,
 414     guile_control,
 415     while_stepping_control,
 416     invalid_control
 417   };
 418
 419 /* * Structure for saved commands lines (for breakpoints, defined
 420    commands, etc).  */
 421
 422 struct command_line
 423   {
 424     struct command_line *next;
 425     char *line;
 426     enum command_control_type control_type;
 427     /* * The number of elements in body_list.  */
 428     int body_count;
 429     /* * For composite commands, the nested lists of commands.  For
 430        example, for "if" command this will contain the then branch and
 431        the else branch, if that is available.  */
 432     struct command_line **body_list;
 433   };
 434
 435 extern struct command_line *read_command_lines (char *, int, int,
 436                                                 void (*)(char *, void *),
 437                                                 void *);
 438 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
 439                                                   void (*)(char *, void *),
 440                                                   void *);
 441
 442 extern void free_command_lines (struct command_line **);
 443
 444 /* * Parameters of the "info proc" command.  */
 445
 446 enum info_proc_what
 447   {
 448     /* * Display the default cmdline, cwd and exe outputs.  */
 449     IP_MINIMAL,
 450
 451     /* * Display `info proc mappings'.  */
 452     IP_MAPPINGS,
 453
 454     /* * Display `info proc status'.  */
 455     IP_STATUS,
 456
 457     /* * Display `info proc stat'.  */
 458     IP_STAT,
 459
 460     /* * Display `info proc cmdline'.  */
 461     IP_CMDLINE,
 462
 463     /* * Display `info proc exe'.  */
 464     IP_EXE,
 465
 466     /* * Display `info proc cwd'.  */
 467     IP_CWD,
 468
 469     /* * Display all of the above.  */
 470     IP_ALL
 471   };
 472
 473 /* * String containing the current directory (what getwd would return).  */
 474
 475 extern char *current_directory;
 476
 477 /* * Default radixes for input and output.  Only some values supported.  */
 478 extern unsigned input_radix;
 479 extern unsigned output_radix;
 480
 481 /* * Possibilities for prettyformat parameters to routines which print
 482    things.  Like enum language, this should be in value.h, but needs
 483    to be here for the same reason.  FIXME:  If we can eliminate this
 484    as an arg to LA_VAL_PRINT, then we can probably move it back to
 485    value.h.  */
 486
 487 enum val_prettyformat
 488   {
 489     Val_no_prettyformat = 0,
 490     Val_prettyformat,
 491     /* * Use the default setting which the user has specified.  */
 492     Val_prettyformat_default
 493   };
 494
 495 /* * Optional native machine support.  Non-native (and possibly pure
 496    multi-arch) targets do not need a "nm.h" file.  This will be a
 497    symlink to one of the nm-*.h files, built by the `configure'
 498    script.  */
 499
 500 #ifdef GDB_NM_FILE
 501 #include "nm.h"
 502 #endif
 503
 504 /* Assume that fopen accepts the letter "b" in the mode string.
 505    It is demanded by ISO C9X, and should be supported on all
 506    platforms that claim to have a standard-conforming C library.  On
 507    true POSIX systems it will be ignored and have no effect.  There
 508    may still be systems without a standard-conforming C library where
 509    an ISO C9X compiler (GCC) is available.  Known examples are SunOS
 510    4.x and 4.3BSD.  This assumption means these systems are no longer
 511    supported.  */
 512 #ifndef FOPEN_RB
 513 # include "fopen-bin.h"
 514 #endif
 515
 516 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
 517    FIXME: Assumes 2's complement arithmetic.  */
 518
 519 #if !defined (UINT_MAX)
 520 #define UINT_MAX ((unsigned int)(~0))       /* 0xFFFFFFFF for 32-bits */
 521 #endif
 522
 523 #if !defined (INT_MAX)
 524 #define INT_MAX ((int)(UINT_MAX >> 1))      /* 0x7FFFFFFF for 32-bits */
 525 #endif
 526
 527 #if !defined (INT_MIN)
 528 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
 529 #endif
 530
 531 #if !defined (ULONG_MAX)
 532 #define ULONG_MAX ((unsigned long)(~0L))    /* 0xFFFFFFFF for 32-bits */
 533 #endif
 534
 535 #if !defined (LONG_MAX)
 536 #define LONG_MAX ((long)(ULONG_MAX >> 1))   /* 0x7FFFFFFF for 32-bits */
 537 #endif
 538
 539 #if !defined (ULONGEST_MAX)
 540 #define ULONGEST_MAX (~(ULONGEST)0)        /* 0xFFFFFFFFFFFFFFFF for 64-bits */
 541 #endif
 542
 543 #if !defined (LONGEST_MAX)                 /* 0x7FFFFFFFFFFFFFFF for 64-bits */
 544 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
 545 #endif
 546
 547 /* * Convert a LONGEST to an int.  This is used in contexts (e.g. number of
 548    arguments to a function, number in a value history, register number, etc.)
 549    where the value must not be larger than can fit in an int.  */
 550
 551 extern int longest_to_int (LONGEST);
 552
 553 #include "common-utils.h"
 554
 555 /* * List of known OS ABIs.  If you change this, make sure to update the
 556    table in osabi.c.  */
 557 enum gdb_osabi
 558 {
 559   GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info.  */
 560
 561   GDB_OSABI_UNKNOWN = 0,        /* keep this zero */
 562
 563   GDB_OSABI_SVR4,
 564   GDB_OSABI_HURD,
 565   GDB_OSABI_SOLARIS,
 566   GDB_OSABI_OSF1,
 567   GDB_OSABI_LINUX,
 568   GDB_OSABI_FREEBSD_AOUT,
 569   GDB_OSABI_FREEBSD_ELF,
 570   GDB_OSABI_NETBSD_AOUT,
 571   GDB_OSABI_NETBSD_ELF,
 572   GDB_OSABI_OPENBSD_ELF,
 573   GDB_OSABI_WINCE,
 574   GDB_OSABI_GO32,
 575   GDB_OSABI_IRIX,
 576   GDB_OSABI_HPUX_ELF,
 577   GDB_OSABI_HPUX_SOM,
 578   GDB_OSABI_QNXNTO,
 579   GDB_OSABI_CYGWIN,
 580   GDB_OSABI_AIX,
 581   GDB_OSABI_DICOS,
 582   GDB_OSABI_DARWIN,
 583   GDB_OSABI_SYMBIAN,
 584   GDB_OSABI_OPENVMS,
 585   GDB_OSABI_LYNXOS178,
 586   GDB_OSABI_NEWLIB,
 587
 588   GDB_OSABI_INVALID             /* keep this last */
 589 };
 590
 591 /* Global functions from other, non-gdb GNU thingies.
 592    Libiberty thingies are no longer declared here.  We include libiberty.h
 593    above, instead.  */
 594
 595 /* From other system libraries */
 596
 597 #include <stdlib.h>
 598
 599
 600 #ifndef atof
 601 extern double atof (const char *);      /* X3.159-1989  4.10.1.1 */
 602 #endif
 603
 604 /* Various possibilities for alloca.  */
 605 #ifndef alloca
 606 #ifdef __GNUC__
 607 #define alloca __builtin_alloca
 608 #else /* Not GNU C */
 609 #ifdef HAVE_ALLOCA_H
 610 #include <alloca.h>
 611 #else
 612 #ifdef _AIX
 613 #pragma alloca
 614 #else
 615
 616 /* We need to be careful not to declare this in a way which conflicts with
 617    bison.  Bison never declares it as char *, but under various circumstances
 618    (like __hpux) we need to use void *.  */
 619 extern void *alloca ();
 620 #endif /* Not _AIX */
 621 #endif /* Not HAVE_ALLOCA_H */
 622 #endif /* Not GNU C */
 623 #endif /* alloca not defined */
 624
 625 /* Dynamic target-system-dependent parameters for GDB.  */
 626 #include "gdbarch.h"
 627
 628 /* * Maximum size of a register.  Something small, but large enough for
 629    all known ISAs.  If it turns out to be too small, make it bigger.  */
 630
 631 enum { MAX_REGISTER_SIZE = 64 };
 632
 633 /* Static target-system-dependent parameters for GDB.  */
 634
 635 /* * Number of bits in a char or unsigned char for the target machine.
 636    Just like CHAR_BIT in <limits.h> but describes the target machine.  */
 637 #if !defined (TARGET_CHAR_BIT)
 638 #define TARGET_CHAR_BIT 8
 639 #endif
 640
 641 /* * If we picked up a copy of CHAR_BIT from a configuration file
 642    (which may get it by including <limits.h>) then use it to set
 643    the number of bits in a host char.  If not, use the same size
 644    as the target.  */
 645
 646 #if defined (CHAR_BIT)
 647 #define HOST_CHAR_BIT CHAR_BIT
 648 #else
 649 #define HOST_CHAR_BIT TARGET_CHAR_BIT
 650 #endif
 651
 652 /* In findvar.c.  */
 653
 654 extern LONGEST extract_signed_integer (const gdb_byte *, int,
 655                                        enum bfd_endian);
 656
 657 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
 658                                           enum bfd_endian);
 659
 660 extern int extract_long_unsigned_integer (const gdb_byte *, int,
 661                                           enum bfd_endian, LONGEST *);
 662
 663 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
 664                                         struct type *type);
 665
 666 extern void store_signed_integer (gdb_byte *, int,
 667                                   enum bfd_endian, LONGEST);
 668
 669 extern void store_unsigned_integer (gdb_byte *, int,
 670                                     enum bfd_endian, ULONGEST);
 671
 672 extern void store_typed_address (gdb_byte *buf, struct type *type,
 673                                  CORE_ADDR addr);
 674
 675 \f
 676 /* From valops.c */
 677
 678 extern int watchdog;
 679
 680 /* Hooks for alternate command interfaces.  */
 681
 682 /* * The name of the interpreter if specified on the command line.  */
 683 extern char *interpreter_p;
 684
 685 /* If a given interpreter matches INTERPRETER_P then it should update
 686    deprecated_init_ui_hook with the per-interpreter implementation.  */
 687 /* FIXME: deprecated_init_ui_hook should be moved here.  */
 688
 689 struct target_waitstatus;
 690 struct cmd_list_element;
 691
 692 extern void (*deprecated_pre_add_symbol_hook) (const char *);
 693 extern void (*deprecated_post_add_symbol_hook) (void);
 694 extern void (*selected_frame_level_changed_hook) (int);
 695 extern int (*deprecated_ui_loop_hook) (int signo);
 696 extern void (*deprecated_init_ui_hook) (char *argv0);
 697 extern void (*deprecated_show_load_progress) (const char *section,
 698                                               unsigned long section_sent,
 699                                               unsigned long section_size,
 700                                               unsigned long total_sent,
 701                                               unsigned long total_size);
 702 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
 703                                                          int line,
 704                                                          int stopline,
 705                                                          int noerror);
 706 extern int (*deprecated_query_hook) (const char *, va_list)
 707      ATTRIBUTE_FPTR_PRINTF(1,0);
 708 extern void (*deprecated_warning_hook) (const char *, va_list)
 709      ATTRIBUTE_FPTR_PRINTF(1,0);
 710 extern void (*deprecated_interactive_hook) (void);
 711 extern void (*deprecated_readline_begin_hook) (char *, ...)
 712      ATTRIBUTE_FPTR_PRINTF_1;
 713 extern char *(*deprecated_readline_hook) (char *);
 714 extern void (*deprecated_readline_end_hook) (void);
 715 extern void (*deprecated_register_changed_hook) (int regno);
 716 extern void (*deprecated_context_hook) (int);
 717 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
 718                                               struct target_waitstatus *status,
 719                                               int options);
 720
 721 extern void (*deprecated_attach_hook) (void);
 722 extern void (*deprecated_detach_hook) (void);
 723 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
 724                                              char *cmd, int from_tty);
 725
 726 extern int (*deprecated_ui_load_progress_hook) (const char *section,
 727                                                 unsigned long num);
 728
 729 /* If this definition isn't overridden by the header files, assume
 730    that isatty and fileno exist on this system.  */
 731 #ifndef ISATTY
 732 #define ISATTY(FP)      (isatty (fileno (FP)))
 733 #endif
 734
 735 /* * A width that can achieve a better legibility for GDB MI mode.  */
 736 #define GDB_MI_MSG_WIDTH  80
 737
 738 /* From progspace.c */
 739
 740 extern void initialize_progspace (void);
 741 extern void initialize_inferiors (void);
 742
 743 /* * Special block numbers */
 744
 745 enum block_enum
 746 {
 747   GLOBAL_BLOCK = 0,
 748   STATIC_BLOCK = 1,
 749   FIRST_LOCAL_BLOCK = 2
 750 };
 751
 752 #include "utils.h"
 753
 754 #endif /* #ifndef DEFS_H */