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, 1988-2005, 2007-2012 Free Software Foundation,
   5    Inc.
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  21
  22 #ifndef DEFS_H
  23 #define DEFS_H
  24
  25 #ifdef GDBSERVER
  26 #  error gdbserver should not include gdb/defs.h
  27 #endif
  28
  29 #include "config.h"             /* Generated by configure.  */
  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 #ifdef HAVE_STDDEF_H
  52 #include <stddef.h>
  53 #endif
  54
  55 #ifdef HAVE_UNISTD_H
  56 #include <unistd.h>
  57 #endif
  58
  59 #include <fcntl.h>
  60
  61 /* First include ansidecl.h so we can use the various macro definitions
  62    here and in all subsequent file inclusions.  */
  63
  64 #include "ansidecl.h"
  65
  66 #include "gdb_locale.h"
  67
  68 #include "gdb_wchar.h"
  69
  70 /* For ``enum gdb_signal''.  */
  71 #include "gdb/signals.h"
  72
  73 #include "ui-file.h"
  74
  75 #include "host-defs.h"
  76
  77 /* Just in case they're not defined in stdio.h.  */
  78
  79 #ifndef SEEK_SET
  80 #define SEEK_SET 0
  81 #endif
  82 #ifndef SEEK_CUR
  83 #define SEEK_CUR 1
  84 #endif
  85
  86 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
  87    It is used as an access modifier in calls to open(), where it acts
  88    similarly to the "b" character in fopen()'s MODE argument.  On Posix
  89    platforms it should be a no-op, so it is defined as 0 here.  This
  90    ensures that the symbol may be used freely elsewhere in gdb.  */
  91
  92 #ifndef O_BINARY
  93 #define O_BINARY 0
  94 #endif
  95
  96 #include <stdarg.h>             /* For va_list.  */
  97
  98 #include "libiberty.h"
  99 #include "hashtab.h"
 100
 101 /* Rather than duplicate all the logic in BFD for figuring out what
 102    types to use (which can be pretty complicated), symply define them
 103    in terms of the corresponding type from BFD.  */
 104
 105 #include "bfd.h"
 106
 107 /* A byte from the program being debugged.  */
 108 typedef bfd_byte gdb_byte;
 109
 110 /* An address in the program being debugged.  Host byte order.  */
 111 typedef bfd_vma CORE_ADDR;
 112
 113 /* The largest CORE_ADDR value.  */
 114 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
 115
 116 /* This is to make sure that LONGEST is at least as big as CORE_ADDR.  */
 117
 118 #ifndef LONGEST
 119
 120 #ifdef BFD64
 121
 122 #define LONGEST BFD_HOST_64_BIT
 123 #define ULONGEST BFD_HOST_U_64_BIT
 124
 125 #else /* No BFD64 */
 126
 127 #ifdef CC_HAS_LONG_LONG
 128 #define LONGEST long long
 129 #define ULONGEST unsigned long long
 130 #else
 131 #ifdef BFD_HOST_64_BIT
 132 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
 133    (e.g. i386-windows) so try it.  */
 134 #define LONGEST BFD_HOST_64_BIT
 135 #define ULONGEST BFD_HOST_U_64_BIT
 136 #else
 137 #define LONGEST long
 138 #define ULONGEST unsigned long
 139 #endif
 140 #endif
 141
 142 #endif /* No BFD64 */
 143
 144 #endif /* ! LONGEST */
 145
 146 #ifndef min
 147 #define min(a, b) ((a) < (b) ? (a) : (b))
 148 #endif
 149 #ifndef max
 150 #define max(a, b) ((a) > (b) ? (a) : (b))
 151 #endif
 152
 153 #include "ptid.h"
 154
 155 /* Enable xdb commands if set.  */
 156 extern int xdb_commands;
 157
 158 /* Enable dbx commands if set.  */
 159 extern int dbx_commands;
 160
 161 /* System root path, used to find libraries etc.  */
 162 extern char *gdb_sysroot;
 163
 164 /* GDB datadir, used to store data files.  */
 165 extern char *gdb_datadir;
 166
 167 /* If non-NULL, the possibly relocated path to python's "lib" directory
 168    specified with --with-python.  */
 169 extern char *python_libdir;
 170
 171 /* Search path for separate debug files.  */
 172 extern char *debug_file_directory;
 173
 174 extern int quit_flag;
 175 extern int immediate_quit;
 176
 177 extern void quit (void);
 178
 179 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
 180    benefits of having a ``QUIT'' macro rather than a function are
 181    marginal.  If the overhead of a QUIT function call is proving
 182    significant then its calling frequency should probably be reduced
 183    [kingdon].  A profile analyzing the current situtation is
 184    needed.  */
 185
 186 #define QUIT { \
 187   if (quit_flag) quit (); \
 188   if (deprecated_interactive_hook) deprecated_interactive_hook (); \
 189 }
 190
 191 /* Languages represented in the symbol table and elsewhere.
 192    This should probably be in language.h, but since enum's can't
 193    be forward declared to satisfy opaque references before their
 194    actual definition, needs to be here.  */
 195
 196 enum language
 197   {
 198     language_unknown,           /* Language not known */
 199     language_auto,              /* Placeholder for automatic setting */
 200     language_c,                 /* C */
 201     language_cplus,             /* C++ */
 202     language_d,                 /* D */
 203     language_go,                /* Go */
 204     language_objc,              /* Objective-C */
 205     language_java,              /* Java */
 206     language_fortran,           /* Fortran */
 207     language_m2,                /* Modula-2 */
 208     language_asm,               /* Assembly language */
 209     language_pascal,            /* Pascal */
 210     language_ada,               /* Ada */
 211     language_opencl,            /* OpenCL */
 212     language_minimal,           /* All other languages, minimal support only */
 213     nr_languages
 214   };
 215
 216 enum precision_type
 217   {
 218     single_precision,
 219     double_precision,
 220     unspecified_precision
 221   };
 222
 223 /* A generic, not quite boolean, enumeration.  */
 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 type.  */
 232 enum return_value_convention
 233 {
 234   /* Where the return value has been squeezed into one or more
 235      registers.  */
 236   RETURN_VALUE_REGISTER_CONVENTION,
 237   /* Commonly known as the "struct return convention".  The caller
 238      passes an additional hidden first parameter to the caller.  That
 239      parameter contains the address at which the value being returned
 240      should be stored.  While typically, and historically, used for
 241      large structs, this is convention is applied to values of many
 242      different types.  */
 243   RETURN_VALUE_STRUCT_CONVENTION,
 244   /* Like the "struct return convention" above, but where the ABI
 245      guarantees that the called function stores the address at which
 246      the value being returned is stored in a well-defined location,
 247      such as a register or memory slot in the stack frame.  Don't use
 248      this if the ABI doesn't explicitly guarantees this.  */
 249   RETURN_VALUE_ABI_RETURNS_ADDRESS,
 250   /* Like the "struct return convention" above, but where the ABI
 251      guarantees that the address at which the value being returned is
 252      stored will be available in a well-defined location, such as a
 253      register or memory slot in the stack frame.  Don't use this if
 254      the ABI doesn't explicitly guarantees this.  */
 255   RETURN_VALUE_ABI_PRESERVES_ADDRESS,
 256 };
 257
 258 /* Needed for various prototypes */
 259
 260 struct symtab;
 261 struct breakpoint;
 262 struct frame_info;
 263 struct gdbarch;
 264 struct value;
 265
 266 /* From main.c.  */
 267
 268 /* This really belong in utils.c (path-utils.c?), but it references some
 269    globals that are currently only available to main.c.  */
 270 extern char *relocate_gdb_directory (const char *initial, int flag);
 271
 272 \f
 273 /* Annotation stuff.  */
 274
 275 extern int annotation_level;    /* in stack.c */
 276 \f
 277
 278 /* From regex.c or libc.  BSD 4.4 declares this with the argument type as
 279    "const char *" in unistd.h, so we can't declare the argument
 280    as "char *".  */
 281
 282 extern char *re_comp (const char *);
 283
 284 /* From symfile.c */
 285
 286 extern void symbol_file_command (char *, int);
 287
 288 /* Remote targets may wish to use this as their load function.  */
 289 extern void generic_load (char *name, int from_tty);
 290
 291 /* Report on STREAM the performance of memory transfer operation,
 292    such as 'load'.
 293    DATA_COUNT is the number of bytes transferred.
 294    WRITE_COUNT is the number of separate write operations, or 0,
 295    if that information is not available.
 296    START_TIME is the time at which an operation was started.
 297    END_TIME is the time at which an operation ended.  */
 298 struct timeval;
 299 extern void print_transfer_performance (struct ui_file *stream,
 300                                         unsigned long data_count,
 301                                         unsigned long write_count,
 302                                         const struct timeval *start_time,
 303                                         const struct timeval *end_time);
 304
 305 /* From top.c */
 306
 307 typedef void initialize_file_ftype (void);
 308
 309 extern char *skip_quoted (char *);
 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 #define OPF_TRY_CWD_FIRST     0x01
 345 #define OPF_SEARCH_IN_PATH    0x02
 346
 347 extern int openp (const char *, int, const char *, int, char **);
 348
 349 extern int source_full_path_of (const char *, char **);
 350
 351 extern void mod_path (char *, char **);
 352
 353 extern void add_path (char *, char **, int);
 354
 355 extern void directory_command (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 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
 366                                          int read, int write, int exec,
 367                                          void *data);
 368
 369 /* Take over the 'find_mapped_memory' vector from exec.c.  */
 370 extern void exec_set_find_memory_regions
 371   (int (*func) (find_memory_region_ftype func, void *data));
 372
 373 /* Possible lvalue types.  Like enum language, this should be in
 374    value.h, but needs to be here for the same reason.  */
 375
 376 enum lval_type
 377   {
 378     /* Not an lval.  */
 379     not_lval,
 380     /* In memory.  */
 381     lval_memory,
 382     /* In a register.  Registers are relative to a frame.  */
 383     lval_register,
 384     /* In a gdb internal variable.  */
 385     lval_internalvar,
 386     /* Part of a gdb internal variable (structure field).  */
 387     lval_internalvar_component,
 388     /* Value's bits are fetched and stored using functions provided by
 389        its creator.  */
 390     lval_computed
 391   };
 392
 393 /* Control types for commands */
 394
 395 enum misc_command_type
 396   {
 397     ok_command,
 398     end_command,
 399     else_command,
 400     nop_command
 401   };
 402
 403 enum command_control_type
 404   {
 405     simple_control,
 406     break_control,
 407     continue_control,
 408     while_control,
 409     if_control,
 410     commands_control,
 411     python_control,
 412     while_stepping_control,
 413     invalid_control
 414   };
 415
 416 /* Structure for saved commands lines
 417    (for breakpoints, defined commands, etc).  */
 418
 419 struct command_line
 420   {
 421     struct command_line *next;
 422     char *line;
 423     enum command_control_type control_type;
 424     /* The number of elements in body_list.  */
 425     int body_count;
 426     /* For composite commands, the nested lists of commands.  For
 427        example, for "if" command this will contain the then branch and
 428        the else branch, if that is available.  */
 429     struct command_line **body_list;
 430   };
 431
 432 extern struct command_line *read_command_lines (char *, int, int,
 433                                                 void (*)(char *, void *),
 434                                                 void *);
 435 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
 436                                                   void (*)(char *, void *),
 437                                                   void *);
 438
 439 extern void free_command_lines (struct command_line **);
 440
 441 /* Parameters of the "info proc" command.  */
 442
 443 enum info_proc_what
 444   {
 445     /* Display the default cmdline, cwd and exe outputs.  */
 446     IP_MINIMAL,
 447
 448     /* Display `info proc mappings'.  */
 449     IP_MAPPINGS,
 450
 451     /* Display `info proc status'.  */
 452     IP_STATUS,
 453
 454     /* Display `info proc stat'.  */
 455     IP_STAT,
 456
 457     /* Display `info proc cmdline'.  */
 458     IP_CMDLINE,
 459
 460     /* Display `info proc exe'.  */
 461     IP_EXE,
 462
 463     /* Display `info proc cwd'.  */
 464     IP_CWD,
 465
 466     /* Display all of the above.  */
 467     IP_ALL
 468   };
 469
 470 /* String containing the current directory (what getwd would return).  */
 471
 472 extern char *current_directory;
 473
 474 /* Default radixes for input and output.  Only some values supported.  */
 475 extern unsigned input_radix;
 476 extern unsigned output_radix;
 477
 478 /* Possibilities for prettyprint parameters to routines which print
 479    things.  Like enum language, this should be in value.h, but needs
 480    to be here for the same reason.  FIXME:  If we can eliminate this
 481    as an arg to LA_VAL_PRINT, then we can probably move it back to
 482    value.h.  */
 483
 484 enum val_prettyprint
 485   {
 486     Val_no_prettyprint = 0,
 487     Val_prettyprint,
 488     /* Use the default setting which the user has specified.  */
 489     Val_pretty_default
 490   };
 491
 492 /* Optional native machine support.  Non-native (and possibly pure
 493    multi-arch) targets do not need a "nm.h" file.  This will be a
 494    symlink to one of the nm-*.h files, built by the `configure'
 495    script.  */
 496
 497 #ifdef GDB_NM_FILE
 498 #include "nm.h"
 499 #endif
 500
 501 /* Assume that fopen accepts the letter "b" in the mode string.
 502    It is demanded by ISO C9X, and should be supported on all
 503    platforms that claim to have a standard-conforming C library.  On
 504    true POSIX systems it will be ignored and have no effect.  There
 505    may still be systems without a standard-conforming C library where
 506    an ISO C9X compiler (GCC) is available.  Known examples are SunOS
 507    4.x and 4.3BSD.  This assumption means these systems are no longer
 508    supported.  */
 509 #ifndef FOPEN_RB
 510 # include "fopen-bin.h"
 511 #endif
 512
 513 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
 514    FIXME: Assumes 2's complement arithmetic.  */
 515
 516 #if !defined (UINT_MAX)
 517 #define UINT_MAX ((unsigned int)(~0))       /* 0xFFFFFFFF for 32-bits */
 518 #endif
 519
 520 #if !defined (INT_MAX)
 521 #define INT_MAX ((int)(UINT_MAX >> 1))      /* 0x7FFFFFFF for 32-bits */
 522 #endif
 523
 524 #if !defined (INT_MIN)
 525 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
 526 #endif
 527
 528 #if !defined (ULONG_MAX)
 529 #define ULONG_MAX ((unsigned long)(~0L))    /* 0xFFFFFFFF for 32-bits */
 530 #endif
 531
 532 #if !defined (LONG_MAX)
 533 #define LONG_MAX ((long)(ULONG_MAX >> 1))   /* 0x7FFFFFFF for 32-bits */
 534 #endif
 535
 536 #if !defined (ULONGEST_MAX)
 537 #define ULONGEST_MAX (~(ULONGEST)0)        /* 0xFFFFFFFFFFFFFFFF for 64-bits */
 538 #endif
 539
 540 #if !defined (LONGEST_MAX)                 /* 0x7FFFFFFFFFFFFFFF for 64-bits */
 541 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
 542 #endif
 543
 544 /* Convert a LONGEST to an int.  This is used in contexts (e.g. number of
 545    arguments to a function, number in a value history, register number, etc.)
 546    where the value must not be larger than can fit in an int.  */
 547
 548 extern int longest_to_int (LONGEST);
 549
 550 /* Utility macros to allocate typed memory.  Avoids errors like:
 551    struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
 552    sizeof (struct foo), 0).  */
 553 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
 554 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
 555 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
 556
 557 #include "common-utils.h"
 558
 559 /* List of known OS ABIs.  If you change this, make sure to update the
 560    table in osabi.c.  */
 561 enum gdb_osabi
 562 {
 563   GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info.  */
 564
 565   GDB_OSABI_UNKNOWN = 0,        /* keep this zero */
 566
 567   GDB_OSABI_SVR4,
 568   GDB_OSABI_HURD,
 569   GDB_OSABI_SOLARIS,
 570   GDB_OSABI_OSF1,
 571   GDB_OSABI_LINUX,
 572   GDB_OSABI_FREEBSD_AOUT,
 573   GDB_OSABI_FREEBSD_ELF,
 574   GDB_OSABI_NETBSD_AOUT,
 575   GDB_OSABI_NETBSD_ELF,
 576   GDB_OSABI_OPENBSD_ELF,
 577   GDB_OSABI_WINCE,
 578   GDB_OSABI_GO32,
 579   GDB_OSABI_IRIX,
 580   GDB_OSABI_INTERIX,
 581   GDB_OSABI_HPUX_ELF,
 582   GDB_OSABI_HPUX_SOM,
 583   GDB_OSABI_QNXNTO,
 584   GDB_OSABI_CYGWIN,
 585   GDB_OSABI_AIX,
 586   GDB_OSABI_DICOS,
 587   GDB_OSABI_DARWIN,
 588   GDB_OSABI_SYMBIAN,
 589   GDB_OSABI_OPENVMS,
 590
 591   GDB_OSABI_INVALID             /* keep this last */
 592 };
 593
 594 /* Global functions from other, non-gdb GNU thingies.
 595    Libiberty thingies are no longer declared here.  We include libiberty.h
 596    above, instead.  */
 597
 598 /* From other system libraries */
 599
 600 #ifdef HAVE_STDDEF_H
 601 #include <stddef.h>
 602 #endif
 603
 604 #ifdef HAVE_STDLIB_H
 605 #include <stdlib.h>
 606 #endif
 607 #ifndef min
 608 #define min(a, b) ((a) < (b) ? (a) : (b))
 609 #endif
 610 #ifndef max
 611 #define max(a, b) ((a) > (b) ? (a) : (b))
 612 #endif
 613
 614
 615 #ifndef atof
 616 extern double atof (const char *);      /* X3.159-1989  4.10.1.1 */
 617 #endif
 618
 619 /* Various possibilities for alloca.  */
 620 #ifndef alloca
 621 #ifdef __GNUC__
 622 #define alloca __builtin_alloca
 623 #else /* Not GNU C */
 624 #ifdef HAVE_ALLOCA_H
 625 #include <alloca.h>
 626 #else
 627 #ifdef _AIX
 628 #pragma alloca
 629 #else
 630
 631 /* We need to be careful not to declare this in a way which conflicts with
 632    bison.  Bison never declares it as char *, but under various circumstances
 633    (like __hpux) we need to use void *.  */
 634 extern void *alloca ();
 635 #endif /* Not _AIX */
 636 #endif /* Not HAVE_ALLOCA_H */
 637 #endif /* Not GNU C */
 638 #endif /* alloca not defined */
 639
 640 /* Dynamic target-system-dependent parameters for GDB.  */
 641 #include "gdbarch.h"
 642
 643 /* Maximum size of a register.  Something small, but large enough for
 644    all known ISAs.  If it turns out to be too small, make it bigger.  */
 645
 646 enum { MAX_REGISTER_SIZE = 64 };
 647
 648 /* Static target-system-dependent parameters for GDB.  */
 649
 650 /* Number of bits in a char or unsigned char for the target machine.
 651    Just like CHAR_BIT in <limits.h> but describes the target machine.  */
 652 #if !defined (TARGET_CHAR_BIT)
 653 #define TARGET_CHAR_BIT 8
 654 #endif
 655
 656 /* If we picked up a copy of CHAR_BIT from a configuration file
 657    (which may get it by including <limits.h>) then use it to set
 658    the number of bits in a host char.  If not, use the same size
 659    as the target.  */
 660
 661 #if defined (CHAR_BIT)
 662 #define HOST_CHAR_BIT CHAR_BIT
 663 #else
 664 #define HOST_CHAR_BIT TARGET_CHAR_BIT
 665 #endif
 666
 667 /* In findvar.c.  */
 668
 669 extern LONGEST extract_signed_integer (const gdb_byte *, int,
 670                                        enum bfd_endian);
 671
 672 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
 673                                           enum bfd_endian);
 674
 675 extern int extract_long_unsigned_integer (const gdb_byte *, int,
 676                                           enum bfd_endian, LONGEST *);
 677
 678 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
 679                                         struct type *type);
 680
 681 extern void store_signed_integer (gdb_byte *, int,
 682                                   enum bfd_endian, LONGEST);
 683
 684 extern void store_unsigned_integer (gdb_byte *, int,
 685                                     enum bfd_endian, ULONGEST);
 686
 687 extern void store_typed_address (gdb_byte *buf, struct type *type,
 688                                  CORE_ADDR addr);
 689
 690 \f
 691 /* From valops.c */
 692
 693 extern int watchdog;
 694
 695 /* Hooks for alternate command interfaces.  */
 696
 697 /* The name of the interpreter if specified on the command line.  */
 698 extern char *interpreter_p;
 699
 700 /* If a given interpreter matches INTERPRETER_P then it should update
 701    deprecated_command_loop_hook and deprecated_init_ui_hook with the
 702    per-interpreter implementation.  */
 703 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
 704    should be moved here.  */
 705
 706 struct target_waitstatus;
 707 struct cmd_list_element;
 708
 709 extern void (*deprecated_pre_add_symbol_hook) (const char *);
 710 extern void (*deprecated_post_add_symbol_hook) (void);
 711 extern void (*selected_frame_level_changed_hook) (int);
 712 extern int (*deprecated_ui_loop_hook) (int signo);
 713 extern void (*deprecated_init_ui_hook) (char *argv0);
 714 extern void (*deprecated_command_loop_hook) (void);
 715 extern void (*deprecated_show_load_progress) (const char *section,
 716                                               unsigned long section_sent,
 717                                               unsigned long section_size,
 718                                               unsigned long total_sent,
 719                                               unsigned long total_size);
 720 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
 721                                                          int line,
 722                                                          int stopline,
 723                                                          int noerror);
 724 extern int (*deprecated_query_hook) (const char *, va_list)
 725      ATTRIBUTE_FPTR_PRINTF(1,0);
 726 extern void (*deprecated_warning_hook) (const char *, va_list)
 727      ATTRIBUTE_FPTR_PRINTF(1,0);
 728 extern void (*deprecated_flush_hook) (struct ui_file * stream);
 729 extern void (*deprecated_interactive_hook) (void);
 730 extern void (*deprecated_readline_begin_hook) (char *, ...)
 731      ATTRIBUTE_FPTR_PRINTF_1;
 732 extern char *(*deprecated_readline_hook) (char *);
 733 extern void (*deprecated_readline_end_hook) (void);
 734 extern void (*deprecated_register_changed_hook) (int regno);
 735 extern void (*deprecated_context_hook) (int);
 736 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
 737                                               struct target_waitstatus *status,
 738                                               int options);
 739
 740 extern void (*deprecated_attach_hook) (void);
 741 extern void (*deprecated_detach_hook) (void);
 742 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
 743                                              char *cmd, int from_tty);
 744
 745 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
 746
 747 extern int (*deprecated_ui_load_progress_hook) (const char *section,
 748                                                 unsigned long num);
 749
 750 /* Inhibit window interface if non-zero.  */
 751
 752 extern int use_windows;
 753
 754 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
 755    The name ``TIDGET'' is a historical accident.  Many uses of TIDGET
 756    in the code actually refer to a lightweight process id, i.e,
 757    something that can be considered a process id in its own right for
 758    certain purposes.  */
 759
 760 #ifndef PIDGET
 761 #define PIDGET(PTID) (ptid_get_pid (PTID))
 762 #define TIDGET(PTID) (ptid_get_lwp (PTID))
 763 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
 764 #endif
 765
 766 /* Define well known filenos if the system does not define them.  */
 767 #ifndef STDIN_FILENO
 768 #define STDIN_FILENO   0
 769 #endif
 770 #ifndef STDOUT_FILENO
 771 #define STDOUT_FILENO  1
 772 #endif
 773 #ifndef STDERR_FILENO
 774 #define STDERR_FILENO  2
 775 #endif
 776
 777 /* If this definition isn't overridden by the header files, assume
 778    that isatty and fileno exist on this system.  */
 779 #ifndef ISATTY
 780 #define ISATTY(FP)      (isatty (fileno (FP)))
 781 #endif
 782
 783 /* A width that can achieve a better legibility for GDB MI mode.  */
 784 #define GDB_MI_MSG_WIDTH  80
 785
 786 /* From progspace.c */
 787
 788 extern void initialize_progspace (void);
 789 extern void initialize_inferiors (void);
 790
 791 /* Special block numbers */
 792
 793 enum block_enum
 794 {
 795   GLOBAL_BLOCK = 0,
 796   STATIC_BLOCK = 1,
 797   FIRST_LOCAL_BLOCK = 2
 798 };
 799
 800 #include "utils.h"
 801
 802 #endif /* #ifndef DEFS_H */