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 <stdarg.h>             /* For va_list.  */
  94
  95 #include "libiberty.h"
  96 #include "hashtab.h"
  97
  98 /* Rather than duplicate all the logic in BFD for figuring out what
  99    types to use (which can be pretty complicated), symply define them
 100    in terms of the corresponding type from BFD.  */
 101
 102 #include "bfd.h"
 103
 104 /* * A byte from the program being debugged.  */
 105 typedef bfd_byte gdb_byte;
 106
 107 /* * An address in the program being debugged.  Host byte order.  */
 108 typedef bfd_vma CORE_ADDR;
 109
 110 /* * The largest CORE_ADDR value.  */
 111 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
 112
 113 /* This is to make sure that LONGEST is at least as big as CORE_ADDR.  */
 114
 115 #ifdef BFD64
 116
 117 #define LONGEST BFD_HOST_64_BIT
 118 #define ULONGEST BFD_HOST_U_64_BIT
 119
 120 #else /* No BFD64 */
 121
 122 #define LONGEST long long
 123 #define ULONGEST unsigned long long
 124
 125 #endif /* No BFD64 */
 126
 127 #ifndef min
 128 #define min(a, b) ((a) < (b) ? (a) : (b))
 129 #endif
 130 #ifndef max
 131 #define max(a, b) ((a) > (b) ? (a) : (b))
 132 #endif
 133
 134 #include "ptid.h"
 135
 136 /* * Enable xdb commands if set.  */
 137 extern int xdb_commands;
 138
 139 /* * Enable dbx commands if set.  */
 140 extern int dbx_commands;
 141
 142 /* * System root path, used to find libraries etc.  */
 143 extern char *gdb_sysroot;
 144
 145 /* * GDB datadir, used to store data files.  */
 146 extern char *gdb_datadir;
 147
 148 /* * If non-NULL, the possibly relocated path to python's "lib" directory
 149    specified with --with-python.  */
 150 extern char *python_libdir;
 151
 152 /* * Search path for separate debug files.  */
 153 extern char *debug_file_directory;
 154
 155 /* GDB has two methods for handling SIGINT.  When immediate_quit is
 156    nonzero, a SIGINT results in an immediate longjmp out of the signal
 157    handler.  Otherwise, SIGINT simply sets a flag; code that might
 158    take a long time, and which ought to be interruptible, checks this
 159    flag using the QUIT macro.
 160
 161    These functions use the extension_language_ops API to allow extension
 162    language(s) and GDB SIGINT handling to coexist seamlessly.  */
 163
 164 /* * Clear the quit flag.  */
 165 extern void clear_quit_flag (void);
 166 /* * Evaluate to non-zero if the quit flag is set, zero otherwise.  This
 167    will clear the quit flag as a side effect.  */
 168 extern int check_quit_flag (void);
 169 /* * Set the quit flag.  */
 170 extern void set_quit_flag (void);
 171
 172 /* Flag that function quit should call quit_force.  */
 173 extern volatile int sync_quit_force_run;
 174
 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 (check_quit_flag () || sync_quit_force_run) 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.  This is used for
 224    set/show commands in which the options are on/off/automatic.  */
 225 enum auto_boolean
 226 {
 227   AUTO_BOOLEAN_TRUE,
 228   AUTO_BOOLEAN_FALSE,
 229   AUTO_BOOLEAN_AUTO
 230 };
 231
 232 /* * Potential ways that a function can return a value of a given
 233    type.  */
 234
 235 enum return_value_convention
 236 {
 237   /* * Where the return value has been squeezed into one or more
 238      registers.  */
 239   RETURN_VALUE_REGISTER_CONVENTION,
 240   /* * Commonly known as the "struct return convention".  The caller
 241      passes an additional hidden first parameter to the caller.  That
 242      parameter contains the address at which the value being returned
 243      should be stored.  While typically, and historically, used for
 244      large structs, this is convention is applied to values of many
 245      different types.  */
 246   RETURN_VALUE_STRUCT_CONVENTION,
 247   /* * Like the "struct return convention" above, but where the ABI
 248      guarantees that the called function stores the address at which
 249      the value being returned is stored in a well-defined location,
 250      such as a register or memory slot in the stack frame.  Don't use
 251      this if the ABI doesn't explicitly guarantees this.  */
 252   RETURN_VALUE_ABI_RETURNS_ADDRESS,
 253   /* * Like the "struct return convention" above, but where the ABI
 254      guarantees that the address at which the value being returned is
 255      stored will be available in a well-defined location, such as a
 256      register or memory slot in the stack frame.  Don't use this if
 257      the ABI doesn't explicitly guarantees this.  */
 258   RETURN_VALUE_ABI_PRESERVES_ADDRESS,
 259 };
 260
 261 /* Needed for various prototypes */
 262
 263 struct symtab;
 264 struct breakpoint;
 265 struct frame_info;
 266 struct gdbarch;
 267 struct value;
 268
 269 /* From main.c.  */
 270
 271 /* This really belong in utils.c (path-utils.c?), but it references some
 272    globals that are currently only available to main.c.  */
 273 extern char *relocate_gdb_directory (const char *initial, int flag);
 274
 275 \f
 276 /* Annotation stuff.  */
 277
 278 extern int annotation_level;    /* in stack.c */
 279 \f
 280
 281 /* From regex.c or libc.  BSD 4.4 declares this with the argument type as
 282    "const char *" in unistd.h, so we can't declare the argument
 283    as "char *".  */
 284
 285 extern char *re_comp (const char *);
 286
 287 /* From symfile.c */
 288
 289 extern void symbol_file_command (char *, int);
 290
 291 /* * Remote targets may wish to use this as their load function.  */
 292 extern void generic_load (const char *name, int from_tty);
 293
 294 /* * Report on STREAM the performance of memory transfer operation,
 295    such as 'load'.
 296    @param DATA_COUNT is the number of bytes transferred.
 297    @param WRITE_COUNT is the number of separate write operations, or 0,
 298    if that information is not available.
 299    @param START_TIME is the time at which an operation was started.
 300    @param END_TIME is the time at which an operation ended.  */
 301 struct timeval;
 302 extern void print_transfer_performance (struct ui_file *stream,
 303                                         unsigned long data_count,
 304                                         unsigned long write_count,
 305                                         const struct timeval *start_time,
 306                                         const struct timeval *end_time);
 307
 308 /* From top.c */
 309
 310 typedef void initialize_file_ftype (void);
 311
 312 extern char *gdb_readline (char *);
 313
 314 extern char *gdb_readline_wrapper (char *);
 315
 316 extern char *command_line_input (char *, int, char *);
 317
 318 extern void print_prompt (void);
 319
 320 extern int input_from_terminal_p (void);
 321
 322 extern int info_verbose;
 323
 324 /* From printcmd.c */
 325
 326 extern void set_next_address (struct gdbarch *, CORE_ADDR);
 327
 328 extern int print_address_symbolic (struct gdbarch *, CORE_ADDR,
 329                                    struct ui_file *, int, char *);
 330
 331 extern int build_address_symbolic (struct gdbarch *,
 332                                    CORE_ADDR addr,
 333                                    int do_demangle,
 334                                    char **name,
 335                                    int *offset,
 336                                    char **filename,
 337                                    int *line,
 338                                    int *unmapped);
 339
 340 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
 341 extern const char *pc_prefix (CORE_ADDR);
 342
 343 /* From source.c */
 344
 345 /* See openp function definition for their description.  */
 346 #define OPF_TRY_CWD_FIRST     0x01
 347 #define OPF_SEARCH_IN_PATH    0x02
 348 #define OPF_RETURN_REALPATH   0x04
 349
 350 extern int openp (const char *, int, const char *, int, char **);
 351
 352 extern int source_full_path_of (const char *, char **);
 353
 354 extern void mod_path (char *, char **);
 355
 356 extern void add_path (char *, char **, int);
 357
 358 extern void directory_switch (char *, int);
 359
 360 extern char *source_path;
 361
 362 extern void init_source_path (void);
 363
 364 /* From exec.c */
 365
 366 /* * Process memory area starting at ADDR with length SIZE.  Area is
 367    readable iff READ is non-zero, writable if WRITE is non-zero,
 368    executable if EXEC is non-zero.  Area is possibly changed against
 369    its original file based copy if MODIFIED is non-zero.  DATA is
 370    passed without changes from a caller.  */
 371
 372 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
 373                                          int read, int write, int exec,
 374                                          int modified, void *data);
 375
 376 /* * Possible lvalue types.  Like enum language, this should be in
 377    value.h, but needs to be here for the same reason.  */
 378
 379 enum lval_type
 380   {
 381     /* * Not an lval.  */
 382     not_lval,
 383     /* * In memory.  */
 384     lval_memory,
 385     /* * In a register.  Registers are relative to a frame.  */
 386     lval_register,
 387     /* * In a gdb internal variable.  */
 388     lval_internalvar,
 389     /* * Value encapsulates a callable defined in an extension language.  */
 390     lval_xcallable,
 391     /* * Part of a gdb internal variable (structure field).  */
 392     lval_internalvar_component,
 393     /* * Value's bits are fetched and stored using functions provided
 394        by 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     guile_control,
 418     while_stepping_control,
 419     invalid_control
 420   };
 421
 422 /* * Structure for saved commands lines (for breakpoints, defined
 423    commands, etc).  */
 424
 425 struct command_line
 426   {
 427     struct command_line *next;
 428     char *line;
 429     enum command_control_type control_type;
 430     /* * The number of elements in body_list.  */
 431     int body_count;
 432     /* * For composite commands, the nested lists of commands.  For
 433        example, for "if" command this will contain the then branch and
 434        the else branch, if that is available.  */
 435     struct command_line **body_list;
 436   };
 437
 438 extern struct command_line *read_command_lines (char *, int, int,
 439                                                 void (*)(char *, void *),
 440                                                 void *);
 441 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
 442                                                   void (*)(char *, void *),
 443                                                   void *);
 444
 445 extern void free_command_lines (struct command_line **);
 446
 447 /* * Parameters of the "info proc" command.  */
 448
 449 enum info_proc_what
 450   {
 451     /* * Display the default cmdline, cwd and exe outputs.  */
 452     IP_MINIMAL,
 453
 454     /* * Display `info proc mappings'.  */
 455     IP_MAPPINGS,
 456
 457     /* * Display `info proc status'.  */
 458     IP_STATUS,
 459
 460     /* * Display `info proc stat'.  */
 461     IP_STAT,
 462
 463     /* * Display `info proc cmdline'.  */
 464     IP_CMDLINE,
 465
 466     /* * Display `info proc exe'.  */
 467     IP_EXE,
 468
 469     /* * Display `info proc cwd'.  */
 470     IP_CWD,
 471
 472     /* * Display all of the above.  */
 473     IP_ALL
 474   };
 475
 476 /* * String containing the current directory (what getwd would return).  */
 477
 478 extern char *current_directory;
 479
 480 /* * Default radixes for input and output.  Only some values supported.  */
 481 extern unsigned input_radix;
 482 extern unsigned output_radix;
 483
 484 /* * Possibilities for prettyformat parameters to routines which print
 485    things.  Like enum language, this should be in value.h, but needs
 486    to be here for the same reason.  FIXME:  If we can eliminate this
 487    as an arg to LA_VAL_PRINT, then we can probably move it back to
 488    value.h.  */
 489
 490 enum val_prettyformat
 491   {
 492     Val_no_prettyformat = 0,
 493     Val_prettyformat,
 494     /* * Use the default setting which the user has specified.  */
 495     Val_prettyformat_default
 496   };
 497
 498 /* * Optional native machine support.  Non-native (and possibly pure
 499    multi-arch) targets do not need a "nm.h" file.  This will be a
 500    symlink to one of the nm-*.h files, built by the `configure'
 501    script.  */
 502
 503 #ifdef GDB_NM_FILE
 504 #include "nm.h"
 505 #endif
 506
 507 /* Assume that fopen accepts the letter "b" in the mode string.
 508    It is demanded by ISO C9X, and should be supported on all
 509    platforms that claim to have a standard-conforming C library.  On
 510    true POSIX systems it will be ignored and have no effect.  There
 511    may still be systems without a standard-conforming C library where
 512    an ISO C9X compiler (GCC) is available.  Known examples are SunOS
 513    4.x and 4.3BSD.  This assumption means these systems are no longer
 514    supported.  */
 515 #ifndef FOPEN_RB
 516 # include "fopen-bin.h"
 517 #endif
 518
 519 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
 520    FIXME: Assumes 2's complement arithmetic.  */
 521
 522 #if !defined (UINT_MAX)
 523 #define UINT_MAX ((unsigned int)(~0))       /* 0xFFFFFFFF for 32-bits */
 524 #endif
 525
 526 #if !defined (INT_MAX)
 527 #define INT_MAX ((int)(UINT_MAX >> 1))      /* 0x7FFFFFFF for 32-bits */
 528 #endif
 529
 530 #if !defined (INT_MIN)
 531 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
 532 #endif
 533
 534 #if !defined (ULONG_MAX)
 535 #define ULONG_MAX ((unsigned long)(~0L))    /* 0xFFFFFFFF for 32-bits */
 536 #endif
 537
 538 #if !defined (LONG_MAX)
 539 #define LONG_MAX ((long)(ULONG_MAX >> 1))   /* 0x7FFFFFFF for 32-bits */
 540 #endif
 541
 542 #if !defined (ULONGEST_MAX)
 543 #define ULONGEST_MAX (~(ULONGEST)0)        /* 0xFFFFFFFFFFFFFFFF for 64-bits */
 544 #endif
 545
 546 #if !defined (LONGEST_MAX)                 /* 0x7FFFFFFFFFFFFFFF for 64-bits */
 547 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
 548 #endif
 549
 550 /* * Convert a LONGEST to an int.  This is used in contexts (e.g. number of
 551    arguments to a function, number in a value history, register number, etc.)
 552    where the value must not be larger than can fit in an int.  */
 553
 554 extern int longest_to_int (LONGEST);
 555
 556 #include "common-utils.h"
 557
 558 /* * List of known OS ABIs.  If you change this, make sure to update the
 559    table in osabi.c.  */
 560 enum gdb_osabi
 561 {
 562   GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info.  */
 563
 564   GDB_OSABI_UNKNOWN = 0,        /* keep this zero */
 565
 566   GDB_OSABI_SVR4,
 567   GDB_OSABI_HURD,
 568   GDB_OSABI_SOLARIS,
 569   GDB_OSABI_OSF1,
 570   GDB_OSABI_LINUX,
 571   GDB_OSABI_FREEBSD_AOUT,
 572   GDB_OSABI_FREEBSD_ELF,
 573   GDB_OSABI_NETBSD_AOUT,
 574   GDB_OSABI_NETBSD_ELF,
 575   GDB_OSABI_OPENBSD_ELF,
 576   GDB_OSABI_WINCE,
 577   GDB_OSABI_GO32,
 578   GDB_OSABI_IRIX,
 579   GDB_OSABI_HPUX_ELF,
 580   GDB_OSABI_HPUX_SOM,
 581   GDB_OSABI_QNXNTO,
 582   GDB_OSABI_CYGWIN,
 583   GDB_OSABI_AIX,
 584   GDB_OSABI_DICOS,
 585   GDB_OSABI_DARWIN,
 586   GDB_OSABI_SYMBIAN,
 587   GDB_OSABI_OPENVMS,
 588   GDB_OSABI_LYNXOS178,
 589   GDB_OSABI_NEWLIB,
 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 #include <stdlib.h>
 601
 602
 603 #ifndef atof
 604 extern double atof (const char *);      /* X3.159-1989  4.10.1.1 */
 605 #endif
 606
 607 /* Various possibilities for alloca.  */
 608 #ifndef alloca
 609 #ifdef __GNUC__
 610 #define alloca __builtin_alloca
 611 #else /* Not GNU C */
 612 #ifdef HAVE_ALLOCA_H
 613 #include <alloca.h>
 614 #else
 615 #ifdef _AIX
 616 #pragma alloca
 617 #else
 618
 619 /* We need to be careful not to declare this in a way which conflicts with
 620    bison.  Bison never declares it as char *, but under various circumstances
 621    (like __hpux) we need to use void *.  */
 622 extern void *alloca ();
 623 #endif /* Not _AIX */
 624 #endif /* Not HAVE_ALLOCA_H */
 625 #endif /* Not GNU C */
 626 #endif /* alloca not defined */
 627
 628 /* Dynamic target-system-dependent parameters for GDB.  */
 629 #include "gdbarch.h"
 630
 631 /* * Maximum size of a register.  Something small, but large enough for
 632    all known ISAs.  If it turns out to be too small, make it bigger.  */
 633
 634 enum { MAX_REGISTER_SIZE = 64 };
 635
 636 /* Static target-system-dependent parameters for GDB.  */
 637
 638 /* * Number of bits in a char or unsigned char for the target machine.
 639    Just like CHAR_BIT in <limits.h> but describes the target machine.  */
 640 #if !defined (TARGET_CHAR_BIT)
 641 #define TARGET_CHAR_BIT 8
 642 #endif
 643
 644 /* * If we picked up a copy of CHAR_BIT from a configuration file
 645    (which may get it by including <limits.h>) then use it to set
 646    the number of bits in a host char.  If not, use the same size
 647    as the target.  */
 648
 649 #if defined (CHAR_BIT)
 650 #define HOST_CHAR_BIT CHAR_BIT
 651 #else
 652 #define HOST_CHAR_BIT TARGET_CHAR_BIT
 653 #endif
 654
 655 /* In findvar.c.  */
 656
 657 extern LONGEST extract_signed_integer (const gdb_byte *, int,
 658                                        enum bfd_endian);
 659
 660 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
 661                                           enum bfd_endian);
 662
 663 extern int extract_long_unsigned_integer (const gdb_byte *, int,
 664                                           enum bfd_endian, LONGEST *);
 665
 666 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
 667                                         struct type *type);
 668
 669 extern void store_signed_integer (gdb_byte *, int,
 670                                   enum bfd_endian, LONGEST);
 671
 672 extern void store_unsigned_integer (gdb_byte *, int,
 673                                     enum bfd_endian, ULONGEST);
 674
 675 extern void store_typed_address (gdb_byte *buf, struct type *type,
 676                                  CORE_ADDR addr);
 677
 678 \f
 679 /* From valops.c */
 680
 681 extern int watchdog;
 682
 683 /* Hooks for alternate command interfaces.  */
 684
 685 /* * The name of the interpreter if specified on the command line.  */
 686 extern char *interpreter_p;
 687
 688 /* If a given interpreter matches INTERPRETER_P then it should update
 689    deprecated_init_ui_hook with the per-interpreter implementation.  */
 690 /* FIXME: deprecated_init_ui_hook should be moved here.  */
 691
 692 struct target_waitstatus;
 693 struct cmd_list_element;
 694
 695 extern void (*deprecated_pre_add_symbol_hook) (const char *);
 696 extern void (*deprecated_post_add_symbol_hook) (void);
 697 extern void (*selected_frame_level_changed_hook) (int);
 698 extern int (*deprecated_ui_loop_hook) (int signo);
 699 extern void (*deprecated_init_ui_hook) (char *argv0);
 700 extern void (*deprecated_show_load_progress) (const char *section,
 701                                               unsigned long section_sent,
 702                                               unsigned long section_size,
 703                                               unsigned long total_sent,
 704                                               unsigned long total_size);
 705 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
 706                                                          int line,
 707                                                          int stopline,
 708                                                          int noerror);
 709 extern int (*deprecated_query_hook) (const char *, va_list)
 710      ATTRIBUTE_FPTR_PRINTF(1,0);
 711 extern void (*deprecated_warning_hook) (const char *, va_list)
 712      ATTRIBUTE_FPTR_PRINTF(1,0);
 713 extern void (*deprecated_interactive_hook) (void);
 714 extern void (*deprecated_readline_begin_hook) (char *, ...)
 715      ATTRIBUTE_FPTR_PRINTF_1;
 716 extern char *(*deprecated_readline_hook) (char *);
 717 extern void (*deprecated_readline_end_hook) (void);
 718 extern void (*deprecated_register_changed_hook) (int regno);
 719 extern void (*deprecated_context_hook) (int);
 720 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
 721                                               struct target_waitstatus *status,
 722                                               int options);
 723
 724 extern void (*deprecated_attach_hook) (void);
 725 extern void (*deprecated_detach_hook) (void);
 726 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
 727                                              char *cmd, int from_tty);
 728
 729 extern int (*deprecated_ui_load_progress_hook) (const char *section,
 730                                                 unsigned long num);
 731
 732 /* If this definition isn't overridden by the header files, assume
 733    that isatty and fileno exist on this system.  */
 734 #ifndef ISATTY
 735 #define ISATTY(FP)      (isatty (fileno (FP)))
 736 #endif
 737
 738 /* * A width that can achieve a better legibility for GDB MI mode.  */
 739 #define GDB_MI_MSG_WIDTH  80
 740
 741 /* From progspace.c */
 742
 743 extern void initialize_progspace (void);
 744 extern void initialize_inferiors (void);
 745
 746 /* * Special block numbers */
 747
 748 enum block_enum
 749 {
 750   GLOBAL_BLOCK = 0,
 751   STATIC_BLOCK = 1,
 752   FIRST_LOCAL_BLOCK = 2
 753 };
 754
 755 #include "utils.h"
 756
 757 #endif /* #ifndef DEFS_H */