gdb/defs.h - gdb

Data types defined

Macros defined

Source code

  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) 1986-2015 Free Software Foundation, Inc.

  6.    This file is part of GDB.

  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.

  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.

  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/>.  */

  21. #ifndef DEFS_H
  22. ‌#define DEFS_H

  24. #ifdef GDBSERVER
  25. #  error gdbserver should not include gdb/defs.h
  26. #endif

  28. #include "common-defs.h"

  30. #include <sys/types.h>
  31. #include <limits.h>
  32. #include <stdint.h>

  34. /* The libdecnumber library, on which GDB depends, includes a header file
  35.    called gstdint.h instead of relying directly on stdint.h.  GDB, on the
  36.    other hand, includes stdint.h directly, relying on the fact that gnulib
  37.    generates a copy if the system doesn't provide one or if it is missing
  38.    some features.  Unfortunately, gstdint.h and stdint.h cannot be included
  39.    at the same time, which may happen when we include a file from
  40.    libdecnumber.

  42.    The following macro definition effectively prevents the inclusion of
  43.    gstdint.h, as all the definitions it provides are guarded against
  44.    the GCC_GENERATED_STDINT_H macro.  We already have gnulib/stdint.h
  45.    included, so it's ok to blank out gstdint.h.  */
  46. ‌#define GCC_GENERATED_STDINT_H 1

  48. #include <unistd.h>

  50. #include <fcntl.h>

  52. #include "gdb_wchar.h"

  54. #include "ui-file.h"

  56. #include "host-defs.h"

  58. /* Scope types enumerator.  List the types of scopes the compiler will
  59.    accept.  */

  61. ‌enum compile_i_scope_types
  62.   {
  63.     COMPILE_I_INVALID_SCOPE,

  65.     /* A simple scope.  Wrap an expression into a simple scope that
  66.        takes no arguments, returns no value, and uses the generic
  67.        function name "_gdb_expr". */

  69.     COMPILE_I_SIMPLE_SCOPE,

  71.     /* Do not wrap the expression,
  72.        it has to provide function "_gdb_expr" on its own.  */
  73.     COMPILE_I_RAW_SCOPE,
  74.   };

  76. /* Just in case they're not defined in stdio.h.  */

  78. #ifndef SEEK_SET
  79. ‌#define SEEK_SET 0
  80. #endif
  81. #ifndef SEEK_CUR
  82. ‌#define SEEK_CUR 1
  83. #endif

  85. /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
  86.    It is used as an access modifier in calls to open(), where it acts
  87.    similarly to the "b" character in fopen()'s MODE argument.  On Posix
  88.    platforms it should be a no-op, so it is defined as 0 here.  This
  89.    ensures that the symbol may be used freely elsewhere in gdb.  */

  91. #ifndef O_BINARY
  92. ‌#define O_BINARY 0
  93. #endif

  95. #include "hashtab.h"

  97. #ifndef min
  98. ‌#define min(a, b) ((a) < (b) ? (a) : (b))
  99. #endif
  100. #ifndef max
  101. ‌#define max(a, b) ((a) > (b) ? (a) : (b))
  102. #endif

  104. /* * Enable xdb commands if set.  */
  105. extern int xdb_commands;

  107. /* * Enable dbx commands if set.  */
  108. extern int dbx_commands;

  110. /* * System root path, used to find libraries etc.  */
  111. extern char *gdb_sysroot;

  113. /* * GDB datadir, used to store data files.  */
  114. extern char *gdb_datadir;

  116. /* * If non-NULL, the possibly relocated path to python's "lib" directory
  117.    specified with --with-python.  */
  118. extern char *python_libdir;

  120. /* * Search path for separate debug files.  */
  121. extern char *debug_file_directory;

  123. /* GDB has two methods for handling SIGINT.  When immediate_quit is
  124.    nonzero, a SIGINT results in an immediate longjmp out of the signal
  125.    handler.  Otherwise, SIGINT simply sets a flag; code that might
  126.    take a long time, and which ought to be interruptible, checks this
  127.    flag using the QUIT macro.

  129.    These functions use the extension_language_ops API to allow extension
  130.    language(s) and GDB SIGINT handling to coexist seamlessly.  */

  132. /* * Clear the quit flag.  */
  133. extern void clear_quit_flag (void);
  134. /* * Evaluate to non-zero if the quit flag is set, zero otherwise.  This
  135.    will clear the quit flag as a side effect.  */
  136. extern int check_quit_flag (void);
  137. /* * Set the quit flag.  */
  138. extern void set_quit_flag (void);

  140. /* Flag that function quit should call quit_force.  */
  141. extern volatile int sync_quit_force_run;

  143. extern int immediate_quit;

  145. extern void quit (void);

  147. /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
  148.    benefits of having a ``QUIT'' macro rather than a function are
  149.    marginal.  If the overhead of a QUIT function call is proving
  150.    significant then its calling frequency should probably be reduced
  151.    [kingdon].  A profile analyzing the current situtation is
  152.    needed.  */

  154. ‌#define QUIT { \
  155.   if (check_quit_flag () || sync_quit_force_run) quit (); \
  156.   if (deprecated_interactive_hook) deprecated_interactive_hook (); \
  157. }

  159. /* * Languages represented in the symbol table and elsewhere.
  160.    This should probably be in language.h, but since enum's can't
  161.    be forward declared to satisfy opaque references before their
  162.    actual definition, needs to be here.  */

  164. ‌enum language
  165.   {
  166.     language_unknown,                /* Language not known */
  167.     language_auto,                /* Placeholder for automatic setting */
  168.     language_c,                        /* C */
  169.     language_cplus,                /* C++ */
  170.     language_d,                        /* D */
  171.     language_go,                /* Go */
  172.     language_objc,                /* Objective-C */
  173.     language_java,                /* Java */
  174.     language_fortran,                /* Fortran */
  175.     language_m2,                /* Modula-2 */
  176.     language_asm,                /* Assembly language */
  177.     language_pascal,                /* Pascal */
  178.     language_ada,                /* Ada */
  179.     language_opencl,                /* OpenCL */
  180.     language_minimal,                /* All other languages, minimal support only */
  181.     nr_languages
  182.   };

  184. ‌enum precision_type
  185.   {
  186.     single_precision,
  187.     double_precision,
  188.     unspecified_precision
  189.   };

  191. /* * A generic, not quite boolean, enumeration.  This is used for
  192.    set/show commands in which the options are on/off/automatic.  */
  193. ‌enum auto_boolean
  194. {
  195.   AUTO_BOOLEAN_TRUE,
  196.   AUTO_BOOLEAN_FALSE,
  197.   AUTO_BOOLEAN_AUTO
  198. };

  200. /* * Potential ways that a function can return a value of a given
  201.    type.  */

  203. ‌enum return_value_convention
  204. {
  205.   /* * Where the return value has been squeezed into one or more
  206.      registers.  */
  207.   RETURN_VALUE_REGISTER_CONVENTION,
  208.   /* * Commonly known as the "struct return convention".  The caller
  209.      passes an additional hidden first parameter to the caller.  That
  210.      parameter contains the address at which the value being returned
  211.      should be stored.  While typically, and historically, used for
  212.      large structs, this is convention is applied to values of many
  213.      different types.  */
  214.   RETURN_VALUE_STRUCT_CONVENTION,
  215.   /* * Like the "struct return convention" above, but where the ABI
  216.      guarantees that the called function stores the address at which
  217.      the value being returned is stored in a well-defined location,
  218.      such as a register or memory slot in the stack frame.  Don't use
  219.      this if the ABI doesn't explicitly guarantees this.  */
  220.   RETURN_VALUE_ABI_RETURNS_ADDRESS,
  221.   /* * Like the "struct return convention" above, but where the ABI
  222.      guarantees that the address at which the value being returned is
  223.      stored will be available in a well-defined location, such as a
  224.      register or memory slot in the stack frame.  Don't use this if
  225.      the ABI doesn't explicitly guarantees this.  */
  226.   RETURN_VALUE_ABI_PRESERVES_ADDRESS,
  227. };

  229. /* Needed for various prototypes */

  231. struct symtab;
  232. struct breakpoint;
  233. struct frame_info;
  234. struct gdbarch;
  235. struct value;

  237. /* From main.c.  */

  239. /* This really belong in utils.c (path-utils.c?), but it references some
  240.    globals that are currently only available to main.c.  */
  241. extern char *relocate_gdb_directory (const char *initial, int flag);


  244. /* Annotation stuff.  */

  246. extern int annotation_level;        /* in stack.c */


  249. /* From regex.c or libc.  BSD 4.4 declares this with the argument type as
  250.    "const char *" in unistd.h, so we can't declare the argument
  251.    as "char *".  */

  253. extern char *re_comp (const char *);

  255. /* From symfile.c */

  257. extern void symbol_file_command (char *, int);

  259. /* * Remote targets may wish to use this as their load function.  */
  260. extern void generic_load (const char *name, int from_tty);

  262. /* * Report on STREAM the performance of memory transfer operation,
  263.    such as 'load'.
  264.    @param DATA_COUNT is the number of bytes transferred.
  265.    @param WRITE_COUNT is the number of separate write operations, or 0,
  266.    if that information is not available.
  267.    @param START_TIME is the time at which an operation was started.
  268.    @param END_TIME is the time at which an operation ended.  */
  269. struct timeval;
  270. extern void print_transfer_performance (struct ui_file *stream,
  271.                                         unsigned long data_count,
  272.                                         unsigned long write_count,
  273.                                         const struct timeval *start_time,
  274.                                         const struct timeval *end_time);

  276. /* From top.c */

  278. ‌typedef void initialize_file_ftype (void);

  280. extern char *gdb_readline (const char *);

  282. extern char *gdb_readline_wrapper (const char *);

  284. extern char *command_line_input (const char *, int, char *);

  286. extern void print_prompt (void);

  288. extern int input_from_terminal_p (void);

  290. extern int info_verbose;

  292. /* From printcmd.c */

  294. extern void set_next_address (struct gdbarch *, CORE_ADDR);

  296. extern int print_address_symbolic (struct gdbarch *, CORE_ADDR,
  297.                                    struct ui_file *, int, char *);

  299. extern int build_address_symbolic (struct gdbarch *,
  300.                                    CORE_ADDR addr,
  301.                                    int do_demangle,
  302.                                    char **name,
  303.                                    int *offset,
  304.                                    char **filename,
  305.                                    int *line,
  306.                                    int *unmapped);

  308. extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
  309. extern const char *pc_prefix (CORE_ADDR);

  311. /* From source.c */

  313. /* See openp function definition for their description.  */
  314. ‌#define OPF_TRY_CWD_FIRST     0x01
  315. ‌#define OPF_SEARCH_IN_PATH    0x02
  316. ‌#define OPF_RETURN_REALPATH   0x04

  318. extern int openp (const char *, int, const char *, int, char **);

  320. extern int source_full_path_of (const char *, char **);

  322. extern void mod_path (char *, char **);

  324. extern void add_path (char *, char **, int);

  326. extern void directory_switch (char *, int);

  328. extern char *source_path;

  330. extern void init_source_path (void);

  332. /* From exec.c */

  334. /* * Process memory area starting at ADDR with length SIZE.  Area is
  335.    readable iff READ is non-zero, writable if WRITE is non-zero,
  336.    executable if EXEC is non-zero.  Area is possibly changed against
  337.    its original file based copy if MODIFIED is non-zero.  DATA is
  338.    passed without changes from a caller.  */

  340. ‌typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
  341.                                          int read, int write, int exec,
  342.                                          int modified, void *data);

  344. /* * Possible lvalue types.  Like enum language, this should be in
  345.    value.h, but needs to be here for the same reason.  */

  347. ‌enum lval_type
  348.   {
  349.     /* * Not an lval.  */
  350.     not_lval,
  351.     /* * In memory.  */
  352.     lval_memory,
  353.     /* * In a register.  Registers are relative to a frame.  */
  354.     lval_register,
  355.     /* * In a gdb internal variable.  */
  356.     lval_internalvar,
  357.     /* * Value encapsulates a callable defined in an extension language.  */
  358.     lval_xcallable,
  359.     /* * Part of a gdb internal variable (structure field).  */
  360.     lval_internalvar_component,
  361.     /* * Value's bits are fetched and stored using functions provided
  362.        by its creator.  */
  363.     lval_computed
  364.   };

  366. /* * Control types for commands.  */

  368. ‌enum misc_command_type
  369.   {
  370.     ok_command,
  371.     end_command,
  372.     else_command,
  373.     nop_command
  374.   };

  376. ‌enum command_control_type
  377.   {
  378.     simple_control,
  379.     break_control,
  380.     continue_control,
  381.     while_control,
  382.     if_control,
  383.     commands_control,
  384.     python_control,
  385.     compile_control,
  386.     guile_control,
  387.     while_stepping_control,
  388.     invalid_control
  389.   };

  391. /* * Structure for saved commands lines (for breakpoints, defined
  392.    commands, etc).  */

  394. ‌struct command_line
  395.   {
  396.     struct command_line *next;
  397.     char *line;
  398.     enum command_control_type control_type;
  399.     union
  400.       {
  401.         struct
  402.           {
  403.             enum compile_i_scope_types scope;
  404.           }
  405.         compile;
  406.       }
  407.     control_u;
  408.     /* * The number of elements in body_list.  */
  409.     int body_count;
  410.     /* * For composite commands, the nested lists of commands.  For
  411.        example, for "if" command this will contain the then branch and
  412.        the else branch, if that is available.  */
  413.     struct command_line **body_list;
  414.   };

  416. extern struct command_line *read_command_lines (char *, int, int,
  417.                                                 void (*)(char *, void *),
  418.                                                 void *);
  419. extern struct command_line *read_command_lines_1 (char * (*) (void), int,
  420.                                                   void (*)(char *, void *),
  421.                                                   void *);

  423. extern void free_command_lines (struct command_line **);

  425. /* * Parameters of the "info proc" command.  */

  427. ‌enum info_proc_what
  428.   {
  429.     /* * Display the default cmdline, cwd and exe outputs.  */
  430.     IP_MINIMAL,

  432.     /* * Display `info proc mappings'.  */
  433.     IP_MAPPINGS,

  435.     /* * Display `info proc status'.  */
  436.     IP_STATUS,

  438.     /* * Display `info proc stat'.  */
  439.     IP_STAT,

  441.     /* * Display `info proc cmdline'.  */
  442.     IP_CMDLINE,

  444.     /* * Display `info proc exe'.  */
  445.     IP_EXE,

  447.     /* * Display `info proc cwd'.  */
  448.     IP_CWD,

  450.     /* * Display all of the above.  */
  451.     IP_ALL
  452.   };

  454. /* * String containing the current directory (what getwd would return).  */

  456. extern char *current_directory;

  458. /* * Default radixes for input and output.  Only some values supported.  */
  459. extern unsigned input_radix;
  460. extern unsigned output_radix;

  462. /* * Possibilities for prettyformat parameters to routines which print
  463.    things.  Like enum language, this should be in value.h, but needs
  464.    to be here for the same reason.  FIXME:  If we can eliminate this
  465.    as an arg to LA_VAL_PRINT, then we can probably move it back to
  466.    value.h.  */

  468. ‌enum val_prettyformat
  469.   {
  470.     Val_no_prettyformat = 0,
  471.     Val_prettyformat,
  472.     /* * Use the default setting which the user has specified.  */
  473.     Val_prettyformat_default
  474.   };

  476. /* * Optional native machine support.  Non-native (and possibly pure
  477.    multi-arch) targets do not need a "nm.h" file.  This will be a
  478.    symlink to one of the nm-*.h files, built by the `configure'
  479.    script.  */

  481. #ifdef GDB_NM_FILE
  482. #include "nm.h"
  483. #endif

  485. /* Assume that fopen accepts the letter "b" in the mode string.
  486.    It is demanded by ISO C9X, and should be supported on all
  487.    platforms that claim to have a standard-conforming C library.  On
  488.    true POSIX systems it will be ignored and have no effect.  There
  489.    may still be systems without a standard-conforming C library where
  490.    an ISO C9X compiler (GCC) is available.  Known examples are SunOS
  491.    4.x and 4.3BSD.  This assumption means these systems are no longer
  492.    supported.  */
  493. #ifndef FOPEN_RB
  494. # include "fopen-bin.h"
  495. #endif

  497. /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
  498.    FIXME: Assumes 2's complement arithmetic.  */

  500. #if !defined (UINT_MAX)
  501. ‌#define        UINT_MAX ((unsigned int)(~0))            /* 0xFFFFFFFF for 32-bits */
  502. #endif

  504. #if !defined (INT_MAX)
  505. ‌#define        INT_MAX ((int)(UINT_MAX >> 1))            /* 0x7FFFFFFF for 32-bits */
  506. #endif

  508. #if !defined (INT_MIN)
  509. ‌#define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
  510. #endif

  512. #if !defined (ULONG_MAX)
  513. ‌#define        ULONG_MAX ((unsigned long)(~0L))    /* 0xFFFFFFFF for 32-bits */
  514. #endif

  516. #if !defined (LONG_MAX)
  517. ‌#define        LONG_MAX ((long)(ULONG_MAX >> 1))   /* 0x7FFFFFFF for 32-bits */
  518. #endif

  520. #if !defined (ULONGEST_MAX)
  521. ‌#define        ULONGEST_MAX (~(ULONGEST)0)        /* 0xFFFFFFFFFFFFFFFF for 64-bits */
  522. #endif

  524. #if !defined (LONGEST_MAX)                 /* 0x7FFFFFFFFFFFFFFF for 64-bits */
  525. ‌#define        LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
  526. #endif

  528. /* * Convert a LONGEST to an int.  This is used in contexts (e.g. number of
  529.    arguments to a function, number in a value history, register number, etc.)
  530.    where the value must not be larger than can fit in an int.  */

  532. extern int longest_to_int (LONGEST);

  534. /* * List of known OS ABIs.  If you change this, make sure to update the
  535.    table in osabi.c.  */
  536. ‌enum gdb_osabi
  537. {
  538.   GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info.  */

  540.   GDB_OSABI_UNKNOWN = 0,        /* keep this zero */

  542.   GDB_OSABI_SVR4,
  543.   GDB_OSABI_HURD,
  544.   GDB_OSABI_SOLARIS,
  545.   GDB_OSABI_LINUX,
  546.   GDB_OSABI_FREEBSD_AOUT,
  547.   GDB_OSABI_FREEBSD_ELF,
  548.   GDB_OSABI_NETBSD_AOUT,
  549.   GDB_OSABI_NETBSD_ELF,
  550.   GDB_OSABI_OPENBSD_ELF,
  551.   GDB_OSABI_WINCE,
  552.   GDB_OSABI_GO32,
  553.   GDB_OSABI_IRIX,
  554.   GDB_OSABI_HPUX_ELF,
  555.   GDB_OSABI_HPUX_SOM,
  556.   GDB_OSABI_QNXNTO,
  557.   GDB_OSABI_CYGWIN,
  558.   GDB_OSABI_AIX,
  559.   GDB_OSABI_DICOS,
  560.   GDB_OSABI_DARWIN,
  561.   GDB_OSABI_SYMBIAN,
  562.   GDB_OSABI_OPENVMS,
  563.   GDB_OSABI_LYNXOS178,
  564.   GDB_OSABI_NEWLIB,
  565.   GDB_OSABI_SDE,

  567.   GDB_OSABI_INVALID                /* keep this last */
  568. };

  570. /* Global functions from other, non-gdb GNU thingies.
  571.    Libiberty thingies are no longer declared here.  We include libiberty.h
  572.    above, instead.  */

  574. /* From other system libraries */

  576. #ifndef atof
  577. extern double atof (const char *);        /* X3.159-1989  4.10.1.1 */
  578. #endif

  580. /* Dynamic target-system-dependent parameters for GDB.  */
  581. #include "gdbarch.h"

  583. /* * Maximum size of a register.  Something small, but large enough for
  584.    all known ISAs.  If it turns out to be too small, make it bigger.  */

  586. enum { MAX_REGISTER_SIZE = 64 };

  588. /* Static target-system-dependent parameters for GDB.  */

  590. /* * Number of bits in a char or unsigned char for the target machine.
  591.    Just like CHAR_BIT in <limits.h> but describes the target machine.  */
  592. #if !defined (TARGET_CHAR_BIT)
  593. ‌#define TARGET_CHAR_BIT 8
  594. #endif

  596. /* * If we picked up a copy of CHAR_BIT from a configuration file
  597.    (which may get it by including <limits.h>) then use it to set
  598.    the number of bits in a host char.  If not, use the same size
  599.    as the target.  */

  601. #if defined (CHAR_BIT)
  602. ‌#define HOST_CHAR_BIT CHAR_BIT
  603. #else
  604. ‌#define HOST_CHAR_BIT TARGET_CHAR_BIT
  605. #endif

  607. /* In findvar.c.  */

  609. extern LONGEST extract_signed_integer (const gdb_byte *, int,
  610.                                        enum bfd_endian);

  612. extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
  613.                                           enum bfd_endian);

  615. extern int extract_long_unsigned_integer (const gdb_byte *, int,
  616.                                           enum bfd_endian, LONGEST *);

  618. extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
  619.                                         struct type *type);

  621. extern void store_signed_integer (gdb_byte *, int,
  622.                                   enum bfd_endian, LONGEST);

  624. extern void store_unsigned_integer (gdb_byte *, int,
  625.                                     enum bfd_endian, ULONGEST);

  627. extern void store_typed_address (gdb_byte *buf, struct type *type,
  628.                                  CORE_ADDR addr);


  631. /* From valops.c */

  633. extern int watchdog;

  635. /* Hooks for alternate command interfaces.  */

  637. /* * The name of the interpreter if specified on the command line.  */
  638. extern char *interpreter_p;

  640. /* If a given interpreter matches INTERPRETER_P then it should update
  641.    deprecated_init_ui_hook with the per-interpreter implementation.  */
  642. /* FIXME: deprecated_init_ui_hook should be moved here.  */

  644. struct target_waitstatus;
  645. struct cmd_list_element;

  647. extern void (*deprecated_pre_add_symbol_hook) (const char *);
  648. extern void (*deprecated_post_add_symbol_hook) (void);
  649. extern void (*selected_frame_level_changed_hook) (int);
  650. extern int (*deprecated_ui_loop_hook) (int signo);
  651. extern void (*deprecated_init_ui_hook) (char *argv0);
  652. extern void (*deprecated_show_load_progress) (const char *section,
  653.                                               unsigned long section_sent,
  654.                                               unsigned long section_size,
  655.                                               unsigned long total_sent,
  656.                                               unsigned long total_size);
  657. extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
  658.                                                          int line,
  659.                                                          int stopline,
  660.                                                          int noerror);
  661. extern int (*deprecated_query_hook) (const char *, va_list)
  662.      ATTRIBUTE_FPTR_PRINTF(1,0);
  663. extern void (*deprecated_warning_hook) (const char *, va_list)
  664.      ATTRIBUTE_FPTR_PRINTF(1,0);
  665. extern void (*deprecated_interactive_hook) (void);
  666. extern void (*deprecated_readline_begin_hook) (char *, ...)
  667.      ATTRIBUTE_FPTR_PRINTF_1;
  668. extern char *(*deprecated_readline_hook) (const char *);
  669. extern void (*deprecated_readline_end_hook) (void);
  670. extern void (*deprecated_register_changed_hook) (int regno);
  671. extern void (*deprecated_context_hook) (int);
  672. extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
  673.                                               struct target_waitstatus *status,
  674.                                               int options);

  676. extern void (*deprecated_attach_hook) (void);
  677. extern void (*deprecated_detach_hook) (void);
  678. extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
  679.                                              char *cmd, int from_tty);

  681. extern int (*deprecated_ui_load_progress_hook) (const char *section,
  682.                                                 unsigned long num);

  684. /* If this definition isn't overridden by the header files, assume
  685.    that isatty and fileno exist on this system.  */
  686. #ifndef ISATTY
  687. ‌#define ISATTY(FP)        (isatty (fileno (FP)))
  688. #endif

  690. /* * A width that can achieve a better legibility for GDB MI mode.  */
  691. ‌#define GDB_MI_MSG_WIDTH  80

  693. /* From progspace.c */

  695. extern void initialize_progspace (void);
  696. extern void initialize_inferiors (void);

  698. /* * Special block numbers */

  700. ‌enum block_enum
  701. {
  702.   GLOBAL_BLOCK = 0,
  703.   STATIC_BLOCK = 1,
  704.   FIRST_LOCAL_BLOCK = 2
  705. };

  707. #include "utils.h"

  709. #endif /* #ifndef DEFS_H */