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 /* Enable xdb commands if set. */
153 extern int xdb_commands
;
155 /* Enable dbx commands if set. */
156 extern int dbx_commands
;
158 /* System root path, used to find libraries etc. */
159 extern char *gdb_sysroot
;
161 /* GDB datadir, used to store data files. */
162 extern char *gdb_datadir
;
164 /* If non-NULL, the possibly relocated path to python's "lib" directory
165 specified with --with-python. */
166 extern char *python_libdir
;
168 /* Search path for separate debug files. */
169 extern char *debug_file_directory
;
171 extern int quit_flag
;
172 extern int immediate_quit
;
173 extern int sevenbit_strings
;
175 extern void quit (void);
177 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
178 benefits of having a ``QUIT'' macro rather than a function are
179 marginal. If the overhead of a QUIT function call is proving
180 significant then its calling frequency should probably be reduced
181 [kingdon]. A profile analyzing the current situtation is
185 if (quit_flag) quit (); \
186 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
189 /* Languages represented in the symbol table and elsewhere.
190 This should probably be in language.h, but since enum's can't
191 be forward declared to satisfy opaque references before their
192 actual definition, needs to be here. */
196 language_unknown
, /* Language not known */
197 language_auto
, /* Placeholder for automatic setting */
199 language_cplus
, /* C++ */
201 language_objc
, /* Objective-C */
202 language_java
, /* Java */
203 language_fortran
, /* Fortran */
204 language_m2
, /* Modula-2 */
205 language_asm
, /* Assembly language */
206 language_pascal
, /* Pascal */
207 language_ada
, /* Ada */
208 language_opencl
, /* OpenCL */
209 language_minimal
, /* All other languages, minimal support only */
217 unspecified_precision
220 /* A generic, not quite boolean, enumeration. */
228 /* Potential ways that a function can return a value of a given type. */
229 enum return_value_convention
231 /* Where the return value has been squeezed into one or more
233 RETURN_VALUE_REGISTER_CONVENTION
,
234 /* Commonly known as the "struct return convention". The caller
235 passes an additional hidden first parameter to the caller. That
236 parameter contains the address at which the value being returned
237 should be stored. While typically, and historically, used for
238 large structs, this is convention is applied to values of many
240 RETURN_VALUE_STRUCT_CONVENTION
,
241 /* Like the "struct return convention" above, but where the ABI
242 guarantees that the called function stores the address at which
243 the value being returned is stored in a well-defined location,
244 such as a register or memory slot in the stack frame. Don't use
245 this if the ABI doesn't explicitly guarantees this. */
246 RETURN_VALUE_ABI_RETURNS_ADDRESS
,
247 /* Like the "struct return convention" above, but where the ABI
248 guarantees that the address at which the value being returned is
249 stored will be available in a well-defined location, such as a
250 register or memory slot in the stack frame. Don't use this if
251 the ABI doesn't explicitly guarantees this. */
252 RETURN_VALUE_ABI_PRESERVES_ADDRESS
,
255 /* the cleanup list records things that have to be undone
256 if an error happens (descriptors to be closed, memory to be freed, etc.)
257 Each link in the chain records a function to call and an
260 Use make_cleanup to add an element to the cleanup chain.
261 Use do_cleanups to do all cleanup actions back to a given
262 point in the chain. Use discard_cleanups to remove cleanups
263 from the chain back to a given point, not doing them.
265 If the argument is pointer to allocated memory, then you need
266 to additionally set the 'free_arg' member to a function that will
267 free that memory. This function will be called both when the cleanup
268 is executed and when it's discarded. */
272 struct cleanup
*next
;
273 void (*function
) (void *);
274 void (*free_arg
) (void *);
278 /* vec.h-style vectors of strings want a typedef for char * or const char *. */
280 typedef char * char_ptr
;
281 typedef const char * const_char_ptr
;
283 /* Needed for various prototypes */
293 /* This really belong in utils.c (path-utils.c?), but it references some
294 globals that are currently only available to main.c. */
295 extern char *relocate_gdb_directory (const char *initial
, int flag
);
299 extern void initialize_utils (void);
301 extern void notice_quit (void);
303 extern int strcmp_iw (const char *, const char *);
305 extern int strcmp_iw_ordered (const char *, const char *);
307 extern int streq (const char *, const char *);
309 extern int subset_compare (char *, char *);
311 extern char *safe_strerror (int);
313 extern void set_display_time (int);
315 extern void set_display_space (int);
317 #define ALL_CLEANUPS ((struct cleanup *)0)
319 extern void do_cleanups (struct cleanup
*);
320 extern void do_final_cleanups (struct cleanup
*);
322 extern void discard_cleanups (struct cleanup
*);
323 extern void discard_final_cleanups (struct cleanup
*);
324 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
326 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
327 make_cleanup function declarations below. Do not use this typedef
328 as a cast when passing functions into the make_cleanup() code.
329 Instead either use a bounce function or add a wrapper function.
330 Calling a f(char*) function with f(void*) is non-portable. */
331 typedef void (make_cleanup_ftype
) (void *);
333 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
335 extern struct cleanup
*make_cleanup_dtor (make_cleanup_ftype
*, void *,
336 void (*dtor
) (void *));
338 extern struct cleanup
*make_cleanup_freeargv (char **);
341 extern struct cleanup
*make_cleanup_dyn_string_delete (struct dyn_string
*);
344 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
347 extern struct cleanup
*
348 make_cleanup_ui_out_redirect_pop (struct ui_out
*uiout
);
350 struct section_addr_info
;
351 extern struct cleanup
*(make_cleanup_free_section_addr_info
352 (struct section_addr_info
*));
354 extern struct cleanup
*make_cleanup_close (int fd
);
356 extern struct cleanup
*make_cleanup_fclose (FILE *file
);
358 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
361 extern struct cleanup
*make_cleanup_obstack_free (struct obstack
*obstack
);
363 extern struct cleanup
*make_cleanup_restore_integer (int *variable
);
364 extern struct cleanup
*make_cleanup_restore_uinteger (unsigned int *variable
);
367 extern struct cleanup
*make_cleanup_unpush_target (struct target_ops
*ops
);
369 extern struct cleanup
*
370 make_cleanup_restore_ui_file (struct ui_file
**variable
);
372 extern struct cleanup
*make_cleanup_value_free_to_mark (struct value
*);
373 extern struct cleanup
*make_cleanup_value_free (struct value
*);
376 extern struct cleanup
*make_cleanup_free_so (struct so_list
*so
);
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
);
443 /* Annotation stuff. */
445 extern int annotation_level
; /* in stack.c */
447 extern void begin_line (void);
449 extern void wrap_here (char *);
451 extern void reinitialize_more_filter (void);
454 extern struct ui_file
*gdb_stdout
;
456 extern struct ui_file
*gdb_stdin
;
457 /* Serious error notifications */
458 extern struct ui_file
*gdb_stderr
;
459 /* Log/debug/trace messages that should bypass normal stdout/stderr
460 filtering. For moment, always call this stream using
461 *_unfiltered. In the very near future that restriction shall be
462 removed - either call shall be unfiltered. (cagney 1999-06-13). */
463 extern struct ui_file
*gdb_stdlog
;
464 /* Target output that should bypass normal stdout/stderr filtering.
465 For moment, always call this stream using *_unfiltered. In the
466 very near future that restriction shall be removed - either call
467 shall be unfiltered. (cagney 1999-07-02). */
468 extern struct ui_file
*gdb_stdtarg
;
469 extern struct ui_file
*gdb_stdtargerr
;
470 extern struct ui_file
*gdb_stdtargin
;
474 /* More generic printf like operations. Filtered versions may return
475 non-locally on error. */
477 extern void fputs_filtered (const char *, struct ui_file
*);
479 extern void fputs_unfiltered (const char *, struct ui_file
*);
481 extern int fputc_filtered (int c
, struct ui_file
*);
483 extern int fputc_unfiltered (int c
, struct ui_file
*);
485 extern int putchar_filtered (int c
);
487 extern int putchar_unfiltered (int c
);
489 extern void puts_filtered (const char *);
491 extern void puts_unfiltered (const char *);
493 extern void puts_filtered_tabular (char *string
, int width
, int right
);
495 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
497 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
499 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list)
500 ATTRIBUTE_PRINTF (2, 0);
502 extern void fprintf_filtered (struct ui_file
*, const char *, ...)
503 ATTRIBUTE_PRINTF (2, 3);
505 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...)
506 ATTRIBUTE_PRINTF (3, 4);
508 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
510 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
512 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
514 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list)
515 ATTRIBUTE_PRINTF (2, 0);
517 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...)
518 ATTRIBUTE_PRINTF (2, 3);
520 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
522 extern void print_spaces (int, struct ui_file
*);
524 extern void print_spaces_filtered (int, struct ui_file
*);
526 extern char *n_spaces (int);
528 extern void fputstr_filtered (const char *str
, int quotr
,
529 struct ui_file
* stream
);
531 extern void fputstr_unfiltered (const char *str
, int quotr
,
532 struct ui_file
* stream
);
534 extern void fputstrn_filtered (const char *str
, int n
, int quotr
,
535 struct ui_file
* stream
);
537 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
,
538 struct ui_file
* stream
);
540 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
541 extern void gdb_print_host_address (const void *addr
, struct ui_file
*stream
);
543 extern const char *host_address_to_string (const void *addr
);
545 /* Convert CORE_ADDR to string in platform-specific manner.
546 This is usually formatted similar to 0x%lx. */
547 extern const char *paddress (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
549 /* Return a string representation in hexadecimal notation of ADDRESS,
550 which is suitable for printing. */
552 extern const char *print_core_address (struct gdbarch
*gdbarch
,
555 /* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
557 extern hashval_t
core_addr_hash (const void *ap
);
558 extern int core_addr_eq (const void *ap
, const void *bp
);
561 extern char *plongest (LONGEST l
);
562 /* %u for ULONGEST */
563 extern char *pulongest (ULONGEST l
);
565 extern char *phex (ULONGEST l
, int sizeof_l
);
566 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
567 extern char *int_string (LONGEST
, int, int, int, int);
569 /* Convert a CORE_ADDR into a HEX string with leading zeros.
570 The output from core_addr_to_string() can be passed direct to
571 string_to_core_addr(). */
572 extern const char *core_addr_to_string (const CORE_ADDR addr
);
573 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
574 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
576 /* Return a string that contains a number formatted as a hex
578 extern char *hex_string (LONGEST
);
579 extern char *hex_string_custom (LONGEST
, int);
581 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
584 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN
;
586 extern void print_sys_errmsg (const char *, int);
588 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
589 "const char *" in unistd.h, so we can't declare the argument
592 extern char *re_comp (const char *);
596 extern void symbol_file_command (char *, int);
598 /* Remote targets may wish to use this as their load function. */
599 extern void generic_load (char *name
, int from_tty
);
601 /* Report on STREAM the performance of memory transfer operation,
603 DATA_COUNT is the number of bytes transferred.
604 WRITE_COUNT is the number of separate write operations, or 0,
605 if that information is not available.
606 START_TIME is the time at which an operation was started.
607 END_TIME is the time at which an operation ended. */
609 extern void print_transfer_performance (struct ui_file
*stream
,
610 unsigned long data_count
,
611 unsigned long write_count
,
612 const struct timeval
*start_time
,
613 const struct timeval
*end_time
);
617 typedef void initialize_file_ftype (void);
619 extern char *skip_quoted (char *);
621 extern char *gdb_readline (char *);
623 extern char *gdb_readline_wrapper (char *);
625 extern char *command_line_input (char *, int, char *);
627 extern void print_prompt (void);
629 extern int input_from_terminal_p (void);
631 extern int info_verbose
;
633 /* From printcmd.c */
635 extern void set_next_address (struct gdbarch
*, CORE_ADDR
);
637 extern void print_address_symbolic (struct gdbarch
*, CORE_ADDR
,
638 struct ui_file
*, int, char *);
640 extern int build_address_symbolic (struct gdbarch
*,
649 extern void print_address (struct gdbarch
*, CORE_ADDR
, struct ui_file
*);
650 extern const char *pc_prefix (CORE_ADDR
);
654 #define OPF_TRY_CWD_FIRST 0x01
655 #define OPF_SEARCH_IN_PATH 0x02
657 extern int openp (const char *, int, const char *, int, char **);
659 extern int source_full_path_of (const char *, char **);
661 extern void mod_path (char *, char **);
663 extern void add_path (char *, char **, int);
665 extern void directory_command (char *, int);
667 extern void directory_switch (char *, int);
669 extern char *source_path
;
671 extern void init_source_path (void);
675 typedef int (*find_memory_region_ftype
) (CORE_ADDR addr
, unsigned long size
,
676 int read
, int write
, int exec
,
679 /* Take over the 'find_mapped_memory' vector from exec.c. */
680 extern void exec_set_find_memory_regions
681 (int (*func
) (find_memory_region_ftype func
, void *data
));
683 /* Possible lvalue types. Like enum language, this should be in
684 value.h, but needs to be here for the same reason. */
692 /* In a register. Registers are relative to a frame. */
694 /* In a gdb internal variable. */
696 /* Part of a gdb internal variable (structure field). */
697 lval_internalvar_component
,
698 /* Value's bits are fetched and stored using functions provided by
703 /* Control types for commands */
705 enum misc_command_type
713 enum command_control_type
722 while_stepping_control
,
726 /* Structure for saved commands lines
727 (for breakpoints, defined commands, etc). */
731 struct command_line
*next
;
733 enum command_control_type control_type
;
734 /* The number of elements in body_list. */
736 /* For composite commands, the nested lists of commands. For
737 example, for "if" command this will contain the then branch and
738 the else branch, if that is available. */
739 struct command_line
**body_list
;
742 extern struct command_line
*read_command_lines (char *, int, int,
743 void (*)(char *, void *),
745 extern struct command_line
*read_command_lines_1 (char * (*) (void), int,
746 void (*)(char *, void *),
749 extern void free_command_lines (struct command_line
**);
751 /* String containing the current directory (what getwd would return). */
753 extern char *current_directory
;
755 /* Default radixes for input and output. Only some values supported. */
756 extern unsigned input_radix
;
757 extern unsigned output_radix
;
759 /* Possibilities for prettyprint parameters to routines which print
760 things. Like enum language, this should be in value.h, but needs
761 to be here for the same reason. FIXME: If we can eliminate this
762 as an arg to LA_VAL_PRINT, then we can probably move it back to
767 Val_no_prettyprint
= 0,
769 /* Use the default setting which the user has specified. */
773 /* Optional native machine support. Non-native (and possibly pure
774 multi-arch) targets do not need a "nm.h" file. This will be a
775 symlink to one of the nm-*.h files, built by the `configure'
782 /* Assume that fopen accepts the letter "b" in the mode string.
783 It is demanded by ISO C9X, and should be supported on all
784 platforms that claim to have a standard-conforming C library. On
785 true POSIX systems it will be ignored and have no effect. There
786 may still be systems without a standard-conforming C library where
787 an ISO C9X compiler (GCC) is available. Known examples are SunOS
788 4.x and 4.3BSD. This assumption means these systems are no longer
791 # include "fopen-bin.h"
794 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
795 FIXME: Assumes 2's complement arithmetic. */
797 #if !defined (UINT_MAX)
798 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
801 #if !defined (INT_MAX)
802 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
805 #if !defined (INT_MIN)
806 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
809 #if !defined (ULONG_MAX)
810 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
813 #if !defined (LONG_MAX)
814 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
817 #if !defined (ULONGEST_MAX)
818 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
821 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
822 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
825 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
826 arguments to a function, number in a value history, register number, etc.)
827 where the value must not be larger than can fit in an int. */
829 extern int longest_to_int (LONGEST
);
831 /* Assorted functions we can declare, now that const and volatile are
834 extern char *savestring (const char *, size_t);
836 /* Utility macros to allocate typed memory. Avoids errors like:
837 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
838 sizeof (struct foo), 0). */
839 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
840 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
841 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
843 #include "common-utils.h"
845 extern int parse_escape (struct gdbarch
*, char **);
847 /* Message to be printed before the error message, when an error occurs. */
849 extern char *error_pre_print
;
851 /* Message to be printed before the error message, when an error occurs. */
853 extern char *quit_pre_print
;
855 /* Message to be printed before the warning message, when a warning occurs. */
857 extern char *warning_pre_print
;
859 extern void verror (const char *fmt
, va_list ap
)
860 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
862 extern void error (const char *fmt
, ...)
863 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
865 extern void error_stream (struct ui_file
*) ATTRIBUTE_NORETURN
;
867 extern void vfatal (const char *fmt
, va_list ap
)
868 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
870 extern void fatal (const char *fmt
, ...)
871 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
873 extern void internal_verror (const char *file
, int line
, const char *,
875 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (3, 0);
877 extern void internal_vwarning (const char *file
, int line
,
878 const char *, va_list ap
)
879 ATTRIBUTE_PRINTF (3, 0);
881 extern void internal_warning (const char *file
, int line
,
882 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
884 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
886 extern void vwarning (const char *, va_list args
) ATTRIBUTE_PRINTF (1, 0);
888 /* List of known OS ABIs. If you change this, make sure to update the
892 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
894 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
901 GDB_OSABI_FREEBSD_AOUT
,
902 GDB_OSABI_FREEBSD_ELF
,
903 GDB_OSABI_NETBSD_AOUT
,
904 GDB_OSABI_NETBSD_ELF
,
905 GDB_OSABI_OPENBSD_ELF
,
919 GDB_OSABI_INVALID
/* keep this last */
922 /* Global functions from other, non-gdb GNU thingies.
923 Libiberty thingies are no longer declared here. We include libiberty.h
926 /* From other system libraries */
936 #define min(a, b) ((a) < (b) ? (a) : (b))
939 #define max(a, b) ((a) > (b) ? (a) : (b))
944 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
947 /* Various possibilities for alloca. */
950 #define alloca __builtin_alloca
951 #else /* Not GNU C */
959 /* We need to be careful not to declare this in a way which conflicts with
960 bison. Bison never declares it as char *, but under various circumstances
961 (like __hpux) we need to use void *. */
962 extern void *alloca ();
963 #endif /* Not _AIX */
964 #endif /* Not HAVE_ALLOCA_H */
965 #endif /* Not GNU C */
966 #endif /* alloca not defined */
968 /* Dynamic target-system-dependent parameters for GDB. */
971 /* Maximum size of a register. Something small, but large enough for
972 all known ISAs. If it turns out to be too small, make it bigger. */
974 enum { MAX_REGISTER_SIZE
= 64 };
976 /* Static target-system-dependent parameters for GDB. */
978 /* Number of bits in a char or unsigned char for the target machine.
979 Just like CHAR_BIT in <limits.h> but describes the target machine. */
980 #if !defined (TARGET_CHAR_BIT)
981 #define TARGET_CHAR_BIT 8
984 /* If we picked up a copy of CHAR_BIT from a configuration file
985 (which may get it by including <limits.h>) then use it to set
986 the number of bits in a host char. If not, use the same size
989 #if defined (CHAR_BIT)
990 #define HOST_CHAR_BIT CHAR_BIT
992 #define HOST_CHAR_BIT TARGET_CHAR_BIT
997 extern LONGEST
extract_signed_integer (const gdb_byte
*, int,
1000 extern ULONGEST
extract_unsigned_integer (const gdb_byte
*, int,
1003 extern int extract_long_unsigned_integer (const gdb_byte
*, int,
1004 enum bfd_endian
, LONGEST
*);
1006 extern CORE_ADDR
extract_typed_address (const gdb_byte
*buf
,
1009 extern void store_signed_integer (gdb_byte
*, int,
1010 enum bfd_endian
, LONGEST
);
1012 extern void store_unsigned_integer (gdb_byte
*, int,
1013 enum bfd_endian
, ULONGEST
);
1015 extern void store_typed_address (gdb_byte
*buf
, struct type
*type
,
1021 extern int watchdog
;
1023 /* Hooks for alternate command interfaces. */
1025 /* The name of the interpreter if specified on the command line. */
1026 extern char *interpreter_p
;
1028 /* If a given interpreter matches INTERPRETER_P then it should update
1029 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1030 per-interpreter implementation. */
1031 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1032 should be moved here. */
1034 struct target_waitstatus
;
1035 struct cmd_list_element
;
1037 extern void (*deprecated_pre_add_symbol_hook
) (const char *);
1038 extern void (*deprecated_post_add_symbol_hook
) (void);
1039 extern void (*selected_frame_level_changed_hook
) (int);
1040 extern int (*deprecated_ui_loop_hook
) (int signo
);
1041 extern void (*deprecated_init_ui_hook
) (char *argv0
);
1042 extern void (*deprecated_command_loop_hook
) (void);
1043 extern void (*deprecated_show_load_progress
) (const char *section
,
1044 unsigned long section_sent
,
1045 unsigned long section_size
,
1046 unsigned long total_sent
,
1047 unsigned long total_size
);
1048 extern void (*deprecated_print_frame_info_listing_hook
) (struct symtab
* s
,
1052 extern int (*deprecated_query_hook
) (const char *, va_list)
1053 ATTRIBUTE_FPTR_PRINTF(1,0);
1054 extern void (*deprecated_warning_hook
) (const char *, va_list)
1055 ATTRIBUTE_FPTR_PRINTF(1,0);
1056 extern void (*deprecated_flush_hook
) (struct ui_file
* stream
);
1057 extern void (*deprecated_interactive_hook
) (void);
1058 extern void (*deprecated_readline_begin_hook
) (char *, ...)
1059 ATTRIBUTE_FPTR_PRINTF_1
;
1060 extern char *(*deprecated_readline_hook
) (char *);
1061 extern void (*deprecated_readline_end_hook
) (void);
1062 extern void (*deprecated_register_changed_hook
) (int regno
);
1063 extern void (*deprecated_context_hook
) (int);
1064 extern ptid_t (*deprecated_target_wait_hook
) (ptid_t ptid
,
1065 struct target_waitstatus
*status
,
1068 extern void (*deprecated_attach_hook
) (void);
1069 extern void (*deprecated_detach_hook
) (void);
1070 extern void (*deprecated_call_command_hook
) (struct cmd_list_element
* c
,
1071 char *cmd
, int from_tty
);
1073 extern void (*deprecated_set_hook
) (struct cmd_list_element
* c
);
1075 extern void (*deprecated_error_begin_hook
) (void);
1077 extern int (*deprecated_ui_load_progress_hook
) (const char *section
,
1081 /* Inhibit window interface if non-zero. */
1083 extern int use_windows
;
1085 /* Definitions of filename-related things. */
1087 /* Host specific things. */
1091 # define GLOBAL_CURDIR
1092 # define DIRNAME_SEPARATOR ';'
1095 #if !defined (__CYGWIN__) && defined (_WIN32)
1096 # define DIRNAME_SEPARATOR ';'
1099 #ifndef DIRNAME_SEPARATOR
1100 #define DIRNAME_SEPARATOR ':'
1103 #ifndef SLASH_STRING
1104 #define SLASH_STRING "/"
1107 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1108 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1109 in the code actually refer to a lightweight process id, i.e,
1110 something that can be considered a process id in its own right for
1111 certain purposes. */
1114 #define PIDGET(PTID) (ptid_get_pid (PTID))
1115 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1116 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1119 /* Define well known filenos if the system does not define them. */
1120 #ifndef STDIN_FILENO
1121 #define STDIN_FILENO 0
1123 #ifndef STDOUT_FILENO
1124 #define STDOUT_FILENO 1
1126 #ifndef STDERR_FILENO
1127 #define STDERR_FILENO 2
1130 /* If this definition isn't overridden by the header files, assume
1131 that isatty and fileno exist on this system. */
1133 #define ISATTY(FP) (isatty (fileno (FP)))
1136 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1137 power of 2). Round up/down when necessary. Examples of correct
1140 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1141 write_memory (addr, value, len);
1146 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1147 write_memory (sp, value, len);
1149 Note that uses such as:
1151 write_memory (addr, value, len);
1152 addr += align_up (len, 8);
1156 sp -= align_up (len, 8);
1157 write_memory (sp, value, len);
1159 are typically not correct as they don't ensure that the address (SP
1160 or ADDR) is correctly aligned (relying on previous alignment to
1161 keep things right). This is also why the methods are called
1162 "align_..." instead of "round_..." as the latter reads better with
1163 this incorrect coding style. */
1165 extern ULONGEST
align_up (ULONGEST v
, int n
);
1166 extern ULONGEST
align_down (ULONGEST v
, int n
);
1168 /* Allocation and deallocation functions for the libiberty hash table
1169 which use obstacks. */
1170 void *hashtab_obstack_allocate (void *data
, size_t size
, size_t count
);
1171 void dummy_obstack_deallocate (void *object
, void *data
);
1173 /* From progspace.c */
1175 extern void initialize_progspace (void);
1176 extern void initialize_inferiors (void);
1178 /* Special block numbers */
1184 FIRST_LOCAL_BLOCK
= 2
1187 #endif /* #ifndef DEFS_H */