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