1 /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
3 /* Basic, host-specific, and target-specific definitions for GDB.
4 Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
5 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009,
6 2010, 2011 Free Software Foundation, Inc.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 # error gdbserver should not include gdb/defs.h
30 #include "config.h" /* Generated by configure. */
32 #include <sys/types.h>
34 #include <errno.h> /* System call error return status. */
38 /* The libdecnumber library, on which GDB depends, includes a header file
39 called gstdint.h instead of relying directly on stdint.h. GDB, on the
40 other hand, includes stdint.h directly, relying on the fact that gnulib
41 generates a copy if the system doesn't provide one or if it is missing
42 some features. Unfortunately, gstdint.h and stdint.h cannot be included
43 at the same time, which may happen when we include a file from
46 The following macro definition effectively prevents the inclusion of
47 gstdint.h, as all the definitions it provides are guarded against
48 the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h
49 included, so it's ok to blank out gstdint.h. */
50 #define GCC_GENERATED_STDINT_H 1
62 /* First include ansidecl.h so we can use the various macro definitions
63 here and in all subsequent file inclusions. */
67 #include "gdb_locale.h"
69 #include "gdb_wchar.h"
71 /* For ``enum target_signal''. */
72 #include "gdb/signals.h"
74 /* Just in case they're not defined in stdio.h. */
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. */
93 #include <stdarg.h> /* For va_list. */
95 #include "libiberty.h"
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. */
104 /* A byte from the program being debugged. */
105 typedef bfd_byte gdb_byte
;
107 /* An address in the program being debugged. Host byte order. */
108 typedef bfd_vma CORE_ADDR
;
110 /* The largest CORE_ADDR value. */
111 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
113 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
119 #define LONGEST BFD_HOST_64_BIT
120 #define ULONGEST BFD_HOST_U_64_BIT
124 #ifdef CC_HAS_LONG_LONG
125 #define LONGEST long long
126 #define ULONGEST unsigned long long
128 #ifdef BFD_HOST_64_BIT
129 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
130 (e.g. i386-windows) so try it. */
131 #define LONGEST BFD_HOST_64_BIT
132 #define ULONGEST BFD_HOST_U_64_BIT
135 #define ULONGEST unsigned long
139 #endif /* No BFD64 */
141 #endif /* ! LONGEST */
144 #define min(a, b) ((a) < (b) ? (a) : (b))
147 #define max(a, b) ((a) > (b) ? (a) : (b))
152 /* Check if a character is one of the commonly used C++ marker characters. */
153 extern int is_cplus_marker (int);
155 /* Enable xdb commands if set. */
156 extern int xdb_commands
;
158 /* Enable dbx commands if set. */
159 extern int dbx_commands
;
161 /* System root path, used to find libraries etc. */
162 extern char *gdb_sysroot
;
164 /* GDB datadir, used to store data files. */
165 extern char *gdb_datadir
;
167 /* If non-NULL, the possibly relocated path to python's "lib" directory
168 specified with --with-python. */
169 extern char *python_libdir
;
171 /* Search path for separate debug files. */
172 extern char *debug_file_directory
;
174 extern int quit_flag
;
175 extern int immediate_quit
;
176 extern int sevenbit_strings
;
178 extern void quit (void);
180 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
181 benefits of having a ``QUIT'' macro rather than a function are
182 marginal. If the overhead of a QUIT function call is proving
183 significant then its calling frequency should probably be reduced
184 [kingdon]. A profile analyzing the current situtation is
188 if (quit_flag) quit (); \
189 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
192 /* Languages represented in the symbol table and elsewhere.
193 This should probably be in language.h, but since enum's can't
194 be forward declared to satisfy opaque references before their
195 actual definition, needs to be here. */
199 language_unknown
, /* Language not known */
200 language_auto
, /* Placeholder for automatic setting */
202 language_cplus
, /* C++ */
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 */
220 unspecified_precision
223 /* A generic, not quite boolean, enumeration. */
231 /* Potential ways that a function can return a value of a given type. */
232 enum return_value_convention
234 /* Where the return value has been squeezed into one or more
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
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
,
258 /* the cleanup list records things that have to be undone
259 if an error happens (descriptors to be closed, memory to be freed, etc.)
260 Each link in the chain records a function to call and an
263 Use make_cleanup to add an element to the cleanup chain.
264 Use do_cleanups to do all cleanup actions back to a given
265 point in the chain. Use discard_cleanups to remove cleanups
266 from the chain back to a given point, not doing them.
268 If the argument is pointer to allocated memory, then you need
269 to additionally set the 'free_arg' member to a function that will
270 free that memory. This function will be called both when the cleanup
271 is executed and when it's discarded. */
275 struct cleanup
*next
;
276 void (*function
) (void *);
277 void (*free_arg
) (void *);
281 /* vec.h-style vectors of strings want a typedef for char * or const char *. */
283 typedef char * char_ptr
;
284 typedef const char * const_char_ptr
;
286 /* Needed for various prototypes */
296 /* This really belong in utils.c (path-utils.c?), but it references some
297 globals that are currently only available to main.c. */
298 extern char *relocate_gdb_directory (const char *initial
, int flag
);
302 extern void initialize_utils (void);
304 extern void notice_quit (void);
306 extern int strcmp_iw (const char *, const char *);
308 extern int strcmp_iw_ordered (const char *, const char *);
310 extern int streq (const char *, const char *);
312 extern int subset_compare (char *, char *);
314 extern char *safe_strerror (int);
316 extern void set_display_time (int);
318 extern void set_display_space (int);
320 #define ALL_CLEANUPS ((struct cleanup *)0)
322 extern void do_cleanups (struct cleanup
*);
323 extern void do_final_cleanups (struct cleanup
*);
325 extern void discard_cleanups (struct cleanup
*);
326 extern void discard_final_cleanups (struct cleanup
*);
327 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
329 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
330 make_cleanup function declarations below. Do not use this typedef
331 as a cast when passing functions into the make_cleanup() code.
332 Instead either use a bounce function or add a wrapper function.
333 Calling a f(char*) function with f(void*) is non-portable. */
334 typedef void (make_cleanup_ftype
) (void *);
336 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
338 extern struct cleanup
*make_cleanup_dtor (make_cleanup_ftype
*, void *,
339 void (*dtor
) (void *));
341 extern struct cleanup
*make_cleanup_freeargv (char **);
344 extern struct cleanup
*make_cleanup_dyn_string_delete (struct dyn_string
*);
347 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
350 extern struct cleanup
*
351 make_cleanup_ui_out_redirect_pop (struct ui_out
*uiout
);
353 struct section_addr_info
;
354 extern struct cleanup
*(make_cleanup_free_section_addr_info
355 (struct section_addr_info
*));
357 extern struct cleanup
*make_cleanup_close (int fd
);
359 extern struct cleanup
*make_cleanup_fclose (FILE *file
);
361 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
364 extern struct cleanup
*make_cleanup_obstack_free (struct obstack
*obstack
);
366 extern struct cleanup
*make_cleanup_restore_integer (int *variable
);
367 extern struct cleanup
*make_cleanup_restore_uinteger (unsigned int *variable
);
370 extern struct cleanup
*make_cleanup_unpush_target (struct target_ops
*ops
);
372 extern struct cleanup
*
373 make_cleanup_restore_ui_file (struct ui_file
**variable
);
375 extern struct cleanup
*make_cleanup_value_free_to_mark (struct value
*);
376 extern struct cleanup
*make_cleanup_value_free (struct value
*);
378 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
380 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
381 make_cleanup_ftype
*, void *);
383 extern struct cleanup
*make_cleanup_htab_delete (htab_t htab
);
385 extern struct cleanup
*make_my_cleanup2 (struct cleanup
**,
386 make_cleanup_ftype
*, void *,
387 void (*free_arg
) (void *));
389 extern struct cleanup
*save_cleanups (void);
390 extern struct cleanup
*save_final_cleanups (void);
391 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
393 extern void restore_cleanups (struct cleanup
*);
394 extern void restore_final_cleanups (struct cleanup
*);
395 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
397 extern void free_current_contents (void *);
399 extern void null_cleanup (void *);
401 extern struct cleanup
*make_command_stats_cleanup (int);
403 extern int myread (int, char *, int);
405 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
406 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
407 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
409 extern void init_page_info (void);
411 extern struct cleanup
*make_cleanup_restore_page_info (void);
412 extern struct cleanup
*
413 set_batch_flag_and_make_cleanup_restore_page_info (void);
415 extern char *gdb_realpath (const char *);
416 extern char *xfullpath (const char *);
418 extern unsigned long gnu_debuglink_crc32 (unsigned long crc
,
419 unsigned char *buf
, size_t len
);
421 ULONGEST
strtoulst (const char *num
, const char **trailer
, int base
);
423 char *ldirname (const char *filename
);
425 char **gdb_buildargv (const char *);
427 int compare_positive_ints (const void *ap
, const void *bp
);
429 /* A wrapper for bfd_errmsg to produce a more helpful error message
430 in the case of bfd_error_file_ambiguously recognized.
431 MATCHING, if non-NULL, is the corresponding argument to
432 bfd_check_format_matches, and will be freed. */
434 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag
, char **matching
);
436 extern int parse_pid_to_attach (char *args
);
438 extern struct cleanup
*make_bpstat_clear_actions_cleanup (void);
440 extern int producer_is_gcc_ge_4 (const char *producer
);
442 /* From demangle.c */
444 extern void set_demangling_style (char *);
447 /* Annotation stuff. */
449 extern int annotation_level
; /* in stack.c */
451 extern void begin_line (void);
453 extern void wrap_here (char *);
455 extern void reinitialize_more_filter (void);
458 extern struct ui_file
*gdb_stdout
;
460 extern struct ui_file
*gdb_stdin
;
461 /* Serious error notifications */
462 extern struct ui_file
*gdb_stderr
;
463 /* Log/debug/trace messages that should bypass normal stdout/stderr
464 filtering. For moment, always call this stream using
465 *_unfiltered. In the very near future that restriction shall be
466 removed - either call shall be unfiltered. (cagney 1999-06-13). */
467 extern struct ui_file
*gdb_stdlog
;
468 /* Target output that should bypass normal stdout/stderr filtering.
469 For moment, always call this stream using *_unfiltered. In the
470 very near future that restriction shall be removed - either call
471 shall be unfiltered. (cagney 1999-07-02). */
472 extern struct ui_file
*gdb_stdtarg
;
473 extern struct ui_file
*gdb_stdtargerr
;
474 extern struct ui_file
*gdb_stdtargin
;
478 /* More generic printf like operations. Filtered versions may return
479 non-locally on error. */
481 extern void fputs_filtered (const char *, struct ui_file
*);
483 extern void fputs_unfiltered (const char *, struct ui_file
*);
485 extern int fputc_filtered (int c
, struct ui_file
*);
487 extern int fputc_unfiltered (int c
, struct ui_file
*);
489 extern int putchar_filtered (int c
);
491 extern int putchar_unfiltered (int c
);
493 extern void puts_filtered (const char *);
495 extern void puts_unfiltered (const char *);
497 extern void puts_filtered_tabular (char *string
, int width
, int right
);
499 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
501 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
503 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list)
504 ATTRIBUTE_PRINTF (2, 0);
506 extern void fprintf_filtered (struct ui_file
*, const char *, ...)
507 ATTRIBUTE_PRINTF (2, 3);
509 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...)
510 ATTRIBUTE_PRINTF (3, 4);
512 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
514 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
516 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
518 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list)
519 ATTRIBUTE_PRINTF (2, 0);
521 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...)
522 ATTRIBUTE_PRINTF (2, 3);
524 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
526 extern void print_spaces (int, struct ui_file
*);
528 extern void print_spaces_filtered (int, struct ui_file
*);
530 extern char *n_spaces (int);
532 extern void fputstr_filtered (const char *str
, int quotr
,
533 struct ui_file
* stream
);
535 extern void fputstr_unfiltered (const char *str
, int quotr
,
536 struct ui_file
* stream
);
538 extern void fputstrn_filtered (const char *str
, int n
, int quotr
,
539 struct ui_file
* stream
);
541 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
,
542 struct ui_file
* stream
);
544 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
545 extern void gdb_print_host_address (const void *addr
, struct ui_file
*stream
);
547 extern const char *host_address_to_string (const void *addr
);
549 /* Convert CORE_ADDR to string in platform-specific manner.
550 This is usually formatted similar to 0x%lx. */
551 extern const char *paddress (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
553 /* Return a string representation in hexadecimal notation of ADDRESS,
554 which is suitable for printing. */
556 extern const char *print_core_address (struct gdbarch
*gdbarch
,
559 /* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
561 extern hashval_t
core_addr_hash (const void *ap
);
562 extern int core_addr_eq (const void *ap
, const void *bp
);
565 extern char *plongest (LONGEST l
);
566 /* %u for ULONGEST */
567 extern char *pulongest (ULONGEST l
);
569 extern char *phex (ULONGEST l
, int sizeof_l
);
570 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
571 extern char *int_string (LONGEST
, int, int, int, int);
573 /* Convert a CORE_ADDR into a HEX string with leading zeros.
574 The output from core_addr_to_string() can be passed direct to
575 string_to_core_addr(). */
576 extern const char *core_addr_to_string (const CORE_ADDR addr
);
577 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
578 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
580 /* Return a string that contains a number formatted as a hex
582 extern char *hex_string (LONGEST
);
583 extern char *hex_string_custom (LONGEST
, int);
585 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
588 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN
;
590 extern void print_sys_errmsg (const char *, int);
592 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
593 "const char *" in unistd.h, so we can't declare the argument
596 extern char *re_comp (const char *);
600 extern void symbol_file_command (char *, int);
602 /* Remote targets may wish to use this as their load function. */
603 extern void generic_load (char *name
, int from_tty
);
605 /* Report on STREAM the performance of memory transfer operation,
607 DATA_COUNT is the number of bytes transferred.
608 WRITE_COUNT is the number of separate write operations, or 0,
609 if that information is not available.
610 START_TIME is the time at which an operation was started.
611 END_TIME is the time at which an operation ended. */
613 extern void print_transfer_performance (struct ui_file
*stream
,
614 unsigned long data_count
,
615 unsigned long write_count
,
616 const struct timeval
*start_time
,
617 const struct timeval
*end_time
);
621 typedef void initialize_file_ftype (void);
623 extern char *skip_quoted (char *);
625 extern char *gdb_readline (char *);
627 extern char *gdb_readline_wrapper (char *);
629 extern char *command_line_input (char *, int, char *);
631 extern void print_prompt (void);
633 extern int input_from_terminal_p (void);
635 extern int info_verbose
;
637 /* From printcmd.c */
639 extern void set_next_address (struct gdbarch
*, CORE_ADDR
);
641 extern void print_address_symbolic (struct gdbarch
*, CORE_ADDR
,
642 struct ui_file
*, int, char *);
644 extern int build_address_symbolic (struct gdbarch
*,
653 extern void print_address (struct gdbarch
*, CORE_ADDR
, struct ui_file
*);
654 extern const char *pc_prefix (CORE_ADDR
);
658 #define OPF_TRY_CWD_FIRST 0x01
659 #define OPF_SEARCH_IN_PATH 0x02
661 extern int openp (const char *, int, const char *, int, char **);
663 extern int source_full_path_of (const char *, char **);
665 extern void mod_path (char *, char **);
667 extern void add_path (char *, char **, int);
669 extern void directory_command (char *, int);
671 extern void directory_switch (char *, int);
673 extern char *source_path
;
675 extern void init_source_path (void);
679 typedef int (*find_memory_region_ftype
) (CORE_ADDR addr
, unsigned long size
,
680 int read
, int write
, int exec
,
683 /* Take over the 'find_mapped_memory' vector from exec.c. */
684 extern void exec_set_find_memory_regions
685 (int (*func
) (find_memory_region_ftype func
, void *data
));
687 /* Possible lvalue types. Like enum language, this should be in
688 value.h, but needs to be here for the same reason. */
696 /* In a register. Registers are relative to a frame. */
698 /* In a gdb internal variable. */
700 /* Part of a gdb internal variable (structure field). */
701 lval_internalvar_component
,
702 /* Value's bits are fetched and stored using functions provided by
707 /* Control types for commands */
709 enum misc_command_type
717 enum command_control_type
726 while_stepping_control
,
730 /* Structure for saved commands lines
731 (for breakpoints, defined commands, etc). */
735 struct command_line
*next
;
737 enum command_control_type control_type
;
738 /* The number of elements in body_list. */
740 /* For composite commands, the nested lists of commands. For
741 example, for "if" command this will contain the then branch and
742 the else branch, if that is available. */
743 struct command_line
**body_list
;
746 extern struct command_line
*read_command_lines (char *, int, int,
747 void (*)(char *, void *),
749 extern struct command_line
*read_command_lines_1 (char * (*) (void), int,
750 void (*)(char *, void *),
753 extern void free_command_lines (struct command_line
**);
755 /* String containing the current directory (what getwd would return). */
757 extern char *current_directory
;
759 /* Default radixes for input and output. Only some values supported. */
760 extern unsigned input_radix
;
761 extern unsigned output_radix
;
763 /* Possibilities for prettyprint parameters to routines which print
764 things. Like enum language, this should be in value.h, but needs
765 to be here for the same reason. FIXME: If we can eliminate this
766 as an arg to LA_VAL_PRINT, then we can probably move it back to
771 Val_no_prettyprint
= 0,
773 /* Use the default setting which the user has specified. */
777 /* Optional native machine support. Non-native (and possibly pure
778 multi-arch) targets do not need a "nm.h" file. This will be a
779 symlink to one of the nm-*.h files, built by the `configure'
786 /* Assume that fopen accepts the letter "b" in the mode string.
787 It is demanded by ISO C9X, and should be supported on all
788 platforms that claim to have a standard-conforming C library. On
789 true POSIX systems it will be ignored and have no effect. There
790 may still be systems without a standard-conforming C library where
791 an ISO C9X compiler (GCC) is available. Known examples are SunOS
792 4.x and 4.3BSD. This assumption means these systems are no longer
795 # include "fopen-bin.h"
798 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
799 FIXME: Assumes 2's complement arithmetic. */
801 #if !defined (UINT_MAX)
802 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
805 #if !defined (INT_MAX)
806 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
809 #if !defined (INT_MIN)
810 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
813 #if !defined (ULONG_MAX)
814 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
817 #if !defined (LONG_MAX)
818 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
821 #if !defined (ULONGEST_MAX)
822 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
825 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
826 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
829 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
830 arguments to a function, number in a value history, register number, etc.)
831 where the value must not be larger than can fit in an int. */
833 extern int longest_to_int (LONGEST
);
835 /* Assorted functions we can declare, now that const and volatile are
838 extern char *savestring (const char *, size_t);
840 /* Utility macros to allocate typed memory. Avoids errors like:
841 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
842 sizeof (struct foo), 0). */
843 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
844 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
845 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
847 #include "common-utils.h"
849 extern int parse_escape (struct gdbarch
*, char **);
851 /* Message to be printed before the error message, when an error occurs. */
853 extern char *error_pre_print
;
855 /* Message to be printed before the error message, when an error occurs. */
857 extern char *quit_pre_print
;
859 /* Message to be printed before the warning message, when a warning occurs. */
861 extern char *warning_pre_print
;
863 extern void verror (const char *fmt
, va_list ap
)
864 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
866 extern void error (const char *fmt
, ...)
867 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
869 extern void error_stream (struct ui_file
*) ATTRIBUTE_NORETURN
;
871 extern void vfatal (const char *fmt
, va_list ap
)
872 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
874 extern void fatal (const char *fmt
, ...)
875 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
877 extern void internal_verror (const char *file
, int line
, const char *,
879 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (3, 0);
881 extern void internal_vwarning (const char *file
, int line
,
882 const char *, va_list ap
)
883 ATTRIBUTE_PRINTF (3, 0);
885 extern void internal_warning (const char *file
, int line
,
886 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
888 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
890 extern void vwarning (const char *, va_list args
) ATTRIBUTE_PRINTF (1, 0);
892 /* List of known OS ABIs. If you change this, make sure to update the
896 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
898 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
905 GDB_OSABI_FREEBSD_AOUT
,
906 GDB_OSABI_FREEBSD_ELF
,
907 GDB_OSABI_NETBSD_AOUT
,
908 GDB_OSABI_NETBSD_ELF
,
909 GDB_OSABI_OPENBSD_ELF
,
923 GDB_OSABI_INVALID
/* keep this last */
926 /* Global functions from other, non-gdb GNU thingies.
927 Libiberty thingies are no longer declared here. We include libiberty.h
930 /* From other system libraries */
940 #define min(a, b) ((a) < (b) ? (a) : (b))
943 #define max(a, b) ((a) > (b) ? (a) : (b))
948 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
951 /* Various possibilities for alloca. */
954 #define alloca __builtin_alloca
955 #else /* Not GNU C */
963 /* We need to be careful not to declare this in a way which conflicts with
964 bison. Bison never declares it as char *, but under various circumstances
965 (like __hpux) we need to use void *. */
966 extern void *alloca ();
967 #endif /* Not _AIX */
968 #endif /* Not HAVE_ALLOCA_H */
969 #endif /* Not GNU C */
970 #endif /* alloca not defined */
972 /* Dynamic target-system-dependent parameters for GDB. */
975 /* Maximum size of a register. Something small, but large enough for
976 all known ISAs. If it turns out to be too small, make it bigger. */
978 enum { MAX_REGISTER_SIZE
= 64 };
980 /* Static target-system-dependent parameters for GDB. */
982 /* Number of bits in a char or unsigned char for the target machine.
983 Just like CHAR_BIT in <limits.h> but describes the target machine. */
984 #if !defined (TARGET_CHAR_BIT)
985 #define TARGET_CHAR_BIT 8
988 /* If we picked up a copy of CHAR_BIT from a configuration file
989 (which may get it by including <limits.h>) then use it to set
990 the number of bits in a host char. If not, use the same size
993 #if defined (CHAR_BIT)
994 #define HOST_CHAR_BIT CHAR_BIT
996 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1001 extern LONGEST
extract_signed_integer (const gdb_byte
*, int,
1004 extern ULONGEST
extract_unsigned_integer (const gdb_byte
*, int,
1007 extern int extract_long_unsigned_integer (const gdb_byte
*, int,
1008 enum bfd_endian
, LONGEST
*);
1010 extern CORE_ADDR
extract_typed_address (const gdb_byte
*buf
,
1013 extern void store_signed_integer (gdb_byte
*, int,
1014 enum bfd_endian
, LONGEST
);
1016 extern void store_unsigned_integer (gdb_byte
*, int,
1017 enum bfd_endian
, ULONGEST
);
1019 extern void store_typed_address (gdb_byte
*buf
, struct type
*type
,
1025 extern int watchdog
;
1027 /* Hooks for alternate command interfaces. */
1029 /* The name of the interpreter if specified on the command line. */
1030 extern char *interpreter_p
;
1032 /* If a given interpreter matches INTERPRETER_P then it should update
1033 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1034 per-interpreter implementation. */
1035 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1036 should be moved here. */
1038 struct target_waitstatus
;
1039 struct cmd_list_element
;
1041 extern void (*deprecated_pre_add_symbol_hook
) (const char *);
1042 extern void (*deprecated_post_add_symbol_hook
) (void);
1043 extern void (*selected_frame_level_changed_hook
) (int);
1044 extern int (*deprecated_ui_loop_hook
) (int signo
);
1045 extern void (*deprecated_init_ui_hook
) (char *argv0
);
1046 extern void (*deprecated_command_loop_hook
) (void);
1047 extern void (*deprecated_show_load_progress
) (const char *section
,
1048 unsigned long section_sent
,
1049 unsigned long section_size
,
1050 unsigned long total_sent
,
1051 unsigned long total_size
);
1052 extern void (*deprecated_print_frame_info_listing_hook
) (struct symtab
* s
,
1056 extern int (*deprecated_query_hook
) (const char *, va_list)
1057 ATTRIBUTE_FPTR_PRINTF(1,0);
1058 extern void (*deprecated_warning_hook
) (const char *, va_list)
1059 ATTRIBUTE_FPTR_PRINTF(1,0);
1060 extern void (*deprecated_flush_hook
) (struct ui_file
* stream
);
1061 extern void (*deprecated_interactive_hook
) (void);
1062 extern void (*deprecated_readline_begin_hook
) (char *, ...)
1063 ATTRIBUTE_FPTR_PRINTF_1
;
1064 extern char *(*deprecated_readline_hook
) (char *);
1065 extern void (*deprecated_readline_end_hook
) (void);
1066 extern void (*deprecated_register_changed_hook
) (int regno
);
1067 extern void (*deprecated_context_hook
) (int);
1068 extern ptid_t (*deprecated_target_wait_hook
) (ptid_t ptid
,
1069 struct target_waitstatus
*status
,
1072 extern void (*deprecated_attach_hook
) (void);
1073 extern void (*deprecated_detach_hook
) (void);
1074 extern void (*deprecated_call_command_hook
) (struct cmd_list_element
* c
,
1075 char *cmd
, int from_tty
);
1077 extern void (*deprecated_set_hook
) (struct cmd_list_element
* c
);
1079 extern void (*deprecated_error_begin_hook
) (void);
1081 extern int (*deprecated_ui_load_progress_hook
) (const char *section
,
1085 /* Inhibit window interface if non-zero. */
1087 extern int use_windows
;
1089 /* Definitions of filename-related things. */
1091 /* Host specific things. */
1095 # define GLOBAL_CURDIR
1096 # define DIRNAME_SEPARATOR ';'
1099 #if !defined (__CYGWIN__) && defined (_WIN32)
1100 # define DIRNAME_SEPARATOR ';'
1103 #ifndef DIRNAME_SEPARATOR
1104 #define DIRNAME_SEPARATOR ':'
1107 #ifndef SLASH_STRING
1108 #define SLASH_STRING "/"
1111 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1112 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1113 in the code actually refer to a lightweight process id, i.e,
1114 something that can be considered a process id in its own right for
1115 certain purposes. */
1118 #define PIDGET(PTID) (ptid_get_pid (PTID))
1119 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1120 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1123 /* Define well known filenos if the system does not define them. */
1124 #ifndef STDIN_FILENO
1125 #define STDIN_FILENO 0
1127 #ifndef STDOUT_FILENO
1128 #define STDOUT_FILENO 1
1130 #ifndef STDERR_FILENO
1131 #define STDERR_FILENO 2
1134 /* If this definition isn't overridden by the header files, assume
1135 that isatty and fileno exist on this system. */
1137 #define ISATTY(FP) (isatty (fileno (FP)))
1140 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1141 power of 2). Round up/down when necessary. Examples of correct
1144 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1145 write_memory (addr, value, len);
1150 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1151 write_memory (sp, value, len);
1153 Note that uses such as:
1155 write_memory (addr, value, len);
1156 addr += align_up (len, 8);
1160 sp -= align_up (len, 8);
1161 write_memory (sp, value, len);
1163 are typically not correct as they don't ensure that the address (SP
1164 or ADDR) is correctly aligned (relying on previous alignment to
1165 keep things right). This is also why the methods are called
1166 "align_..." instead of "round_..." as the latter reads better with
1167 this incorrect coding style. */
1169 extern ULONGEST
align_up (ULONGEST v
, int n
);
1170 extern ULONGEST
align_down (ULONGEST v
, int n
);
1172 /* Allocation and deallocation functions for the libiberty hash table
1173 which use obstacks. */
1174 void *hashtab_obstack_allocate (void *data
, size_t size
, size_t count
);
1175 void dummy_obstack_deallocate (void *object
, void *data
);
1177 /* From progspace.c */
1179 extern void initialize_progspace (void);
1180 extern void initialize_inferiors (void);
1182 /* Special block numbers */
1188 FIRST_LOCAL_BLOCK
= 2
1191 #endif /* #ifndef DEFS_H */