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 /* Process memory area starting at ADDR with length SIZE.  Area is readable iff
 366    READ is non-zero, writable if WRITE is non-zero, executable if EXEC is
 367    non-zero.  Area is possibly changed against its original file based copy if
 368    MODIFIED is non-zero.  DATA is 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 /* Take over the 'find_mapped_memory' vector from exec.c.  */
 375 extern void exec_set_find_memory_regions
 376   (int (*func) (find_memory_region_ftype func, void *data));
 377
 378 /* Possible lvalue types.  Like enum language, this should be in
 379    value.h, but needs to be here for the same reason.  */
 380
 381 enum lval_type
 382   {
 383     /* Not an lval.  */
 384     not_lval,
 385     /* In memory.  */
 386     lval_memory,
 387     /* In a register.  Registers are relative to a frame.  */
 388     lval_register,
 389     /* In a gdb internal variable.  */
 390     lval_internalvar,
 391     /* Part of a gdb internal variable (structure field).  */
 392     lval_internalvar_component,
 393     /* Value's bits are fetched and stored using functions provided by
 394        its creator.  */
 395     lval_computed
 396   };
 397
 398 /* Control types for commands */
 399
 400 enum misc_command_type
 401   {
 402     ok_command,
 403     end_command,
 404     else_command,
 405     nop_command
 406   };
 407
 408 enum command_control_type
 409   {
 410     simple_control,
 411     break_control,
 412     continue_control,
 413     while_control,
 414     if_control,
 415     commands_control,
 416     python_control,
 417     while_stepping_control,
 418     invalid_control
 419   };
 420
 421 /* Structure for saved commands lines
 422    (for breakpoints, defined commands, etc).  */
 423
 424 struct command_line
 425   {
 426     struct command_line *next;
 427     char *line;
 428     enum command_control_type control_type;
 429     /* The number of elements in body_list.  */
 430     int body_count;
 431     /* For composite commands, the nested lists of commands.  For
 432        example, for "if" command this will contain the then branch and
 433        the else branch, if that is available.  */
 434     struct command_line **body_list;
 435   };
 436
 437 extern struct command_line *read_command_lines (char *, int, int,
 438                                                 void (*)(char *, void *),
 439                                                 void *);
 440 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
 441                                                   void (*)(char *, void *),
 442                                                   void *);
 443
 444 extern void free_command_lines (struct command_line **);
 445
 446 /* Parameters of the "info proc" command.  */
 447
 448 enum info_proc_what
 449   {
 450     /* Display the default cmdline, cwd and exe outputs.  */
 451     IP_MINIMAL,
 452
 453     /* Display `info proc mappings'.  */
 454     IP_MAPPINGS,
 455
 456     /* Display `info proc status'.  */
 457     IP_STATUS,
 458
 459     /* Display `info proc stat'.  */
 460     IP_STAT,
 461
 462     /* Display `info proc cmdline'.  */
 463     IP_CMDLINE,
 464
 465     /* Display `info proc exe'.  */
 466     IP_EXE,
 467
 468     /* Display `info proc cwd'.  */
 469     IP_CWD,
 470
 471     /* Display all of the above.  */
 472     IP_ALL
 473   };
 474
 475 /* String containing the current directory (what getwd would return).  */
 476
 477 extern char *current_directory;
 478
 479 /* Default radixes for input and output.  Only some values supported.  */
 480 extern unsigned input_radix;
 481 extern unsigned output_radix;
 482
 483 /* Possibilities for prettyprint parameters to routines which print
 484    things.  Like enum language, this should be in value.h, but needs
 485    to be here for the same reason.  FIXME:  If we can eliminate this
 486    as an arg to LA_VAL_PRINT, then we can probably move it back to
 487    value.h.  */
 488
 489 enum val_prettyprint
 490   {
 491     Val_no_prettyprint = 0,
 492     Val_prettyprint,
 493     /* Use the default setting which the user has specified.  */
 494     Val_pretty_default
 495   };
 496
 497 /* Optional native machine support.  Non-native (and possibly pure
 498    multi-arch) targets do not need a "nm.h" file.  This will be a
 499    symlink to one of the nm-*.h files, built by the `configure'
 500    script.  */
 501
 502 #ifdef GDB_NM_FILE
 503 #include "nm.h"
 504 #endif
 505
 506 /* Assume that fopen accepts the letter "b" in the mode string.
 507    It is demanded by ISO C9X, and should be supported on all
 508    platforms that claim to have a standard-conforming C library.  On
 509    true POSIX systems it will be ignored and have no effect.  There
 510    may still be systems without a standard-conforming C library where
 511    an ISO C9X compiler (GCC) is available.  Known examples are SunOS
 512    4.x and 4.3BSD.  This assumption means these systems are no longer
 513    supported.  */
 514 #ifndef FOPEN_RB
 515 # include "fopen-bin.h"
 516 #endif
 517
 518 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
 519    FIXME: Assumes 2's complement arithmetic.  */
 520
 521 #if !defined (UINT_MAX)
 522 #define UINT_MAX ((unsigned int)(~0))       /* 0xFFFFFFFF for 32-bits */
 523 #endif
 524
 525 #if !defined (INT_MAX)
 526 #define INT_MAX ((int)(UINT_MAX >> 1))      /* 0x7FFFFFFF for 32-bits */
 527 #endif
 528
 529 #if !defined (INT_MIN)
 530 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
 531 #endif
 532
 533 #if !defined (ULONG_MAX)
 534 #define ULONG_MAX ((unsigned long)(~0L))    /* 0xFFFFFFFF for 32-bits */
 535 #endif
 536
 537 #if !defined (LONG_MAX)
 538 #define LONG_MAX ((long)(ULONG_MAX >> 1))   /* 0x7FFFFFFF for 32-bits */
 539 #endif
 540
 541 #if !defined (ULONGEST_MAX)
 542 #define ULONGEST_MAX (~(ULONGEST)0)        /* 0xFFFFFFFFFFFFFFFF for 64-bits */
 543 #endif
 544
 545 #if !defined (LONGEST_MAX)                 /* 0x7FFFFFFFFFFFFFFF for 64-bits */
 546 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
 547 #endif
 548
 549 /* Convert a LONGEST to an int.  This is used in contexts (e.g. number of
 550    arguments to a function, number in a value history, register number, etc.)
 551    where the value must not be larger than can fit in an int.  */
 552
 553 extern int longest_to_int (LONGEST);
 554
 555 /* Utility macros to allocate typed memory.  Avoids errors like:
 556    struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
 557    sizeof (struct foo), 0).  */
 558 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
 559 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
 560 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
 561
 562 #include "common-utils.h"
 563
 564 /* List of known OS ABIs.  If you change this, make sure to update the
 565    table in osabi.c.  */
 566 enum gdb_osabi
 567 {
 568   GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info.  */
 569
 570   GDB_OSABI_UNKNOWN = 0,        /* keep this zero */
 571
 572   GDB_OSABI_SVR4,
 573   GDB_OSABI_HURD,
 574   GDB_OSABI_SOLARIS,
 575   GDB_OSABI_OSF1,
 576   GDB_OSABI_LINUX,
 577   GDB_OSABI_FREEBSD_AOUT,
 578   GDB_OSABI_FREEBSD_ELF,
 579   GDB_OSABI_NETBSD_AOUT,
 580   GDB_OSABI_NETBSD_ELF,
 581   GDB_OSABI_OPENBSD_ELF,
 582   GDB_OSABI_WINCE,
 583   GDB_OSABI_GO32,
 584   GDB_OSABI_IRIX,
 585   GDB_OSABI_INTERIX,
 586   GDB_OSABI_HPUX_ELF,
 587   GDB_OSABI_HPUX_SOM,
 588   GDB_OSABI_QNXNTO,
 589   GDB_OSABI_CYGWIN,
 590   GDB_OSABI_AIX,
 591   GDB_OSABI_DICOS,
 592   GDB_OSABI_DARWIN,
 593   GDB_OSABI_SYMBIAN,
 594   GDB_OSABI_OPENVMS,
 595
 596   GDB_OSABI_INVALID             /* keep this last */
 597 };
 598
 599 /* Global functions from other, non-gdb GNU thingies.
 600    Libiberty thingies are no longer declared here.  We include libiberty.h
 601    above, instead.  */
 602
 603 /* From other system libraries */
 604
 605 #ifdef HAVE_STDDEF_H
 606 #include <stddef.h>
 607 #endif
 608
 609 #ifdef HAVE_STDLIB_H
 610 #include <stdlib.h>
 611 #endif
 612 #ifndef min
 613 #define min(a, b) ((a) < (b) ? (a) : (b))
 614 #endif
 615 #ifndef max
 616 #define max(a, b) ((a) > (b) ? (a) : (b))
 617 #endif
 618
 619
 620 #ifndef atof
 621 extern double atof (const char *);      /* X3.159-1989  4.10.1.1 */
 622 #endif
 623
 624 /* Various possibilities for alloca.  */
 625 #ifndef alloca
 626 #ifdef __GNUC__
 627 #define alloca __builtin_alloca
 628 #else /* Not GNU C */
 629 #ifdef HAVE_ALLOCA_H
 630 #include <alloca.h>
 631 #else
 632 #ifdef _AIX
 633 #pragma alloca
 634 #else
 635
 636 /* We need to be careful not to declare this in a way which conflicts with
 637    bison.  Bison never declares it as char *, but under various circumstances
 638    (like __hpux) we need to use void *.  */
 639 extern void *alloca ();
 640 #endif /* Not _AIX */
 641 #endif /* Not HAVE_ALLOCA_H */
 642 #endif /* Not GNU C */
 643 #endif /* alloca not defined */
 644
 645 /* Dynamic target-system-dependent parameters for GDB.  */
 646 #include "gdbarch.h"
 647
 648 /* Maximum size of a register.  Something small, but large enough for
 649    all known ISAs.  If it turns out to be too small, make it bigger.  */
 650
 651 enum { MAX_REGISTER_SIZE = 64 };
 652
 653 /* Static target-system-dependent parameters for GDB.  */
 654
 655 /* Number of bits in a char or unsigned char for the target machine.
 656    Just like CHAR_BIT in <limits.h> but describes the target machine.  */
 657 #if !defined (TARGET_CHAR_BIT)
 658 #define TARGET_CHAR_BIT 8
 659 #endif
 660
 661 /* If we picked up a copy of CHAR_BIT from a configuration file
 662    (which may get it by including <limits.h>) then use it to set
 663    the number of bits in a host char.  If not, use the same size
 664    as the target.  */
 665
 666 #if defined (CHAR_BIT)
 667 #define HOST_CHAR_BIT CHAR_BIT
 668 #else
 669 #define HOST_CHAR_BIT TARGET_CHAR_BIT
 670 #endif
 671
 672 /* In findvar.c.  */
 673
 674 extern LONGEST extract_signed_integer (const gdb_byte *, int,
 675                                        enum bfd_endian);
 676
 677 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
 678                                           enum bfd_endian);
 679
 680 extern int extract_long_unsigned_integer (const gdb_byte *, int,
 681                                           enum bfd_endian, LONGEST *);
 682
 683 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
 684                                         struct type *type);
 685
 686 extern void store_signed_integer (gdb_byte *, int,
 687                                   enum bfd_endian, LONGEST);
 688
 689 extern void store_unsigned_integer (gdb_byte *, int,
 690                                     enum bfd_endian, ULONGEST);
 691
 692 extern void store_typed_address (gdb_byte *buf, struct type *type,
 693                                  CORE_ADDR addr);
 694
 695 \f
 696 /* From valops.c */
 697
 698 extern int watchdog;
 699
 700 /* Hooks for alternate command interfaces.  */
 701
 702 /* The name of the interpreter if specified on the command line.  */
 703 extern char *interpreter_p;
 704
 705 /* If a given interpreter matches INTERPRETER_P then it should update
 706    deprecated_command_loop_hook and deprecated_init_ui_hook with the
 707    per-interpreter implementation.  */
 708 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
 709    should be moved here.  */
 710
 711 struct target_waitstatus;
 712 struct cmd_list_element;
 713
 714 extern void (*deprecated_pre_add_symbol_hook) (const char *);
 715 extern void (*deprecated_post_add_symbol_hook) (void);
 716 extern void (*selected_frame_level_changed_hook) (int);
 717 extern int (*deprecated_ui_loop_hook) (int signo);
 718 extern void (*deprecated_init_ui_hook) (char *argv0);
 719 extern void (*deprecated_command_loop_hook) (void);
 720 extern void (*deprecated_show_load_progress) (const char *section,
 721                                               unsigned long section_sent,
 722                                               unsigned long section_size,
 723                                               unsigned long total_sent,
 724                                               unsigned long total_size);
 725 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
 726                                                          int line,
 727                                                          int stopline,
 728                                                          int noerror);
 729 extern int (*deprecated_query_hook) (const char *, va_list)
 730      ATTRIBUTE_FPTR_PRINTF(1,0);
 731 extern void (*deprecated_warning_hook) (const char *, va_list)
 732      ATTRIBUTE_FPTR_PRINTF(1,0);
 733 extern void (*deprecated_flush_hook) (struct ui_file * stream);
 734 extern void (*deprecated_interactive_hook) (void);
 735 extern void (*deprecated_readline_begin_hook) (char *, ...)
 736      ATTRIBUTE_FPTR_PRINTF_1;
 737 extern char *(*deprecated_readline_hook) (char *);
 738 extern void (*deprecated_readline_end_hook) (void);
 739 extern void (*deprecated_register_changed_hook) (int regno);
 740 extern void (*deprecated_context_hook) (int);
 741 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
 742                                               struct target_waitstatus *status,
 743                                               int options);
 744
 745 extern void (*deprecated_attach_hook) (void);
 746 extern void (*deprecated_detach_hook) (void);
 747 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
 748                                              char *cmd, int from_tty);
 749
 750 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
 751
 752 extern int (*deprecated_ui_load_progress_hook) (const char *section,
 753                                                 unsigned long num);
 754
 755 /* Inhibit window interface if non-zero.  */
 756
 757 extern int use_windows;
 758
 759 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
 760    The name ``TIDGET'' is a historical accident.  Many uses of TIDGET
 761    in the code actually refer to a lightweight process id, i.e,
 762    something that can be considered a process id in its own right for
 763    certain purposes.  */
 764
 765 #ifndef PIDGET
 766 #define PIDGET(PTID) (ptid_get_pid (PTID))
 767 #define TIDGET(PTID) (ptid_get_lwp (PTID))
 768 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
 769 #endif
 770
 771 /* Define well known filenos if the system does not define them.  */
 772 #ifndef STDIN_FILENO
 773 #define STDIN_FILENO   0
 774 #endif
 775 #ifndef STDOUT_FILENO
 776 #define STDOUT_FILENO  1
 777 #endif
 778 #ifndef STDERR_FILENO
 779 #define STDERR_FILENO  2
 780 #endif
 781
 782 /* If this definition isn't overridden by the header files, assume
 783    that isatty and fileno exist on this system.  */
 784 #ifndef ISATTY
 785 #define ISATTY(FP)      (isatty (fileno (FP)))
 786 #endif
 787
 788 /* A width that can achieve a better legibility for GDB MI mode.  */
 789 #define GDB_MI_MSG_WIDTH  80
 790
 791 /* From progspace.c */
 792
 793 extern void initialize_progspace (void);
 794 extern void initialize_inferiors (void);
 795
 796 /* Special block numbers */
 797
 798 enum block_enum
 799 {
 800   GLOBAL_BLOCK = 0,
 801   STATIC_BLOCK = 1,
 802   FIRST_LOCAL_BLOCK = 2
 803 };
 804
 805 #include "utils.h"
 806
 807 #endif /* #ifndef DEFS_H */