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