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"
97 /* Rather than duplicate all the logic in BFD for figuring out what
98 types to use (which can be pretty complicated), symply define them
99 in terms of the corresponding type from BFD. */
103 /* A byte from the program being debugged. */
104 typedef bfd_byte gdb_byte
;
106 /* An address in the program being debugged. Host byte order. */
107 typedef bfd_vma CORE_ADDR
;
109 /* The largest CORE_ADDR value. */
110 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
112 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
118 #define LONGEST BFD_HOST_64_BIT
119 #define ULONGEST BFD_HOST_U_64_BIT
123 #ifdef CC_HAS_LONG_LONG
124 #define LONGEST long long
125 #define ULONGEST unsigned long long
127 #ifdef BFD_HOST_64_BIT
128 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
129 (e.g. i386-windows) so try it. */
130 #define LONGEST BFD_HOST_64_BIT
131 #define ULONGEST BFD_HOST_U_64_BIT
134 #define ULONGEST unsigned long
138 #endif /* No BFD64 */
140 #endif /* ! LONGEST */
143 #define min(a, b) ((a) < (b) ? (a) : (b))
146 #define max(a, b) ((a) > (b) ? (a) : (b))
151 /* Check if a character is one of the commonly used C++ marker characters. */
152 extern int is_cplus_marker (int);
154 /* Enable xdb commands if set. */
155 extern int xdb_commands
;
157 /* Enable dbx commands if set. */
158 extern int dbx_commands
;
160 /* System root path, used to find libraries etc. */
161 extern char *gdb_sysroot
;
163 /* GDB datadir, used to store data files. */
164 extern char *gdb_datadir
;
166 /* If non-NULL, the possibly relocated path to python's "lib" directory
167 specified with --with-python. */
168 extern char *python_libdir
;
170 /* Search path for separate debug files. */
171 extern char *debug_file_directory
;
173 extern int quit_flag
;
174 extern int immediate_quit
;
175 extern int sevenbit_strings
;
177 extern void quit (void);
179 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
180 benefits of having a ``QUIT'' macro rather than a function are
181 marginal. If the overhead of a QUIT function call is proving
182 significant then its calling frequency should probably be reduced
183 [kingdon]. A profile analyzing the current situtation is
187 if (quit_flag) quit (); \
188 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
191 /* Languages represented in the symbol table and elsewhere.
192 This should probably be in language.h, but since enum's can't
193 be forward declared to satisfy opaque references before their
194 actual definition, needs to be here. */
198 language_unknown
, /* Language not known */
199 language_auto
, /* Placeholder for automatic setting */
201 language_cplus
, /* C++ */
203 language_objc
, /* Objective-C */
204 language_java
, /* Java */
205 language_fortran
, /* Fortran */
206 language_m2
, /* Modula-2 */
207 language_asm
, /* Assembly language */
208 language_pascal
, /* Pascal */
209 language_ada
, /* Ada */
210 language_opencl
, /* OpenCL */
211 language_minimal
, /* All other languages, minimal support only */
219 unspecified_precision
222 /* A generic, not quite boolean, enumeration. */
230 /* Potential ways that a function can return a value of a given type. */
231 enum return_value_convention
233 /* Where the return value has been squeezed into one or more
235 RETURN_VALUE_REGISTER_CONVENTION
,
236 /* Commonly known as the "struct return convention". The caller
237 passes an additional hidden first parameter to the caller. That
238 parameter contains the address at which the value being returned
239 should be stored. While typically, and historically, used for
240 large structs, this is convention is applied to values of many
242 RETURN_VALUE_STRUCT_CONVENTION
,
243 /* Like the "struct return convention" above, but where the ABI
244 guarantees that the called function stores the address at which
245 the value being returned is stored in a well-defined location,
246 such as a register or memory slot in the stack frame. Don't use
247 this if the ABI doesn't explicitly guarantees this. */
248 RETURN_VALUE_ABI_RETURNS_ADDRESS
,
249 /* Like the "struct return convention" above, but where the ABI
250 guarantees that the address at which the value being returned is
251 stored will be available in a well-defined location, such as a
252 register or memory slot in the stack frame. Don't use this if
253 the ABI doesn't explicitly guarantees this. */
254 RETURN_VALUE_ABI_PRESERVES_ADDRESS
,
257 /* the cleanup list records things that have to be undone
258 if an error happens (descriptors to be closed, memory to be freed, etc.)
259 Each link in the chain records a function to call and an
262 Use make_cleanup to add an element to the cleanup chain.
263 Use do_cleanups to do all cleanup actions back to a given
264 point in the chain. Use discard_cleanups to remove cleanups
265 from the chain back to a given point, not doing them.
267 If the argument is pointer to allocated memory, then you need
268 to additionally set the 'free_arg' member to a function that will
269 free that memory. This function will be called both when the cleanup
270 is executed and when it's discarded. */
274 struct cleanup
*next
;
275 void (*function
) (void *);
276 void (*free_arg
) (void *);
280 /* vec.h-style vectors of strings want a typedef for char * or const char *. */
282 typedef char * char_ptr
;
283 typedef const char * const_char_ptr
;
285 /* Needed for various prototypes */
295 /* This really belong in utils.c (path-utils.c?), but it references some
296 globals that are currently only available to main.c. */
297 extern char *relocate_gdb_directory (const char *initial
, int flag
);
301 extern void initialize_utils (void);
303 extern void notice_quit (void);
305 extern int strcmp_iw (const char *, const char *);
307 extern int strcmp_iw_ordered (const char *, const char *);
309 extern int streq (const char *, const char *);
311 extern int subset_compare (char *, char *);
313 extern char *safe_strerror (int);
315 extern void set_display_time (int);
317 extern void set_display_space (int);
319 #define ALL_CLEANUPS ((struct cleanup *)0)
321 extern void do_cleanups (struct cleanup
*);
322 extern void do_final_cleanups (struct cleanup
*);
324 extern void discard_cleanups (struct cleanup
*);
325 extern void discard_final_cleanups (struct cleanup
*);
326 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
328 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
329 make_cleanup function declarations below. Do not use this typedef
330 as a cast when passing functions into the make_cleanup() code.
331 Instead either use a bounce function or add a wrapper function.
332 Calling a f(char*) function with f(void*) is non-portable. */
333 typedef void (make_cleanup_ftype
) (void *);
335 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
337 extern struct cleanup
*make_cleanup_dtor (make_cleanup_ftype
*, void *,
338 void (*dtor
) (void *));
340 extern struct cleanup
*make_cleanup_freeargv (char **);
343 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
346 extern struct cleanup
*
347 make_cleanup_ui_out_redirect_pop (struct ui_out
*uiout
);
349 struct section_addr_info
;
350 extern struct cleanup
*(make_cleanup_free_section_addr_info
351 (struct section_addr_info
*));
353 extern struct cleanup
*make_cleanup_close (int fd
);
355 extern struct cleanup
*make_cleanup_fclose (FILE *file
);
357 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
360 extern struct cleanup
*make_cleanup_obstack_free (struct obstack
*obstack
);
362 extern struct cleanup
*make_cleanup_restore_integer (int *variable
);
363 extern struct cleanup
*make_cleanup_restore_uinteger (unsigned int *variable
);
366 extern struct cleanup
*make_cleanup_unpush_target (struct target_ops
*ops
);
368 extern struct cleanup
*
369 make_cleanup_restore_ui_file (struct ui_file
**variable
);
371 extern struct cleanup
*make_cleanup_value_free_to_mark (struct value
*);
372 extern struct cleanup
*make_cleanup_value_free (struct value
*);
374 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
376 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
377 make_cleanup_ftype
*, void *);
379 extern struct cleanup
*make_my_cleanup2 (struct cleanup
**,
380 make_cleanup_ftype
*, void *,
381 void (*free_arg
) (void *));
383 extern struct cleanup
*save_cleanups (void);
384 extern struct cleanup
*save_final_cleanups (void);
385 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
387 extern void restore_cleanups (struct cleanup
*);
388 extern void restore_final_cleanups (struct cleanup
*);
389 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
391 extern void free_current_contents (void *);
393 extern void null_cleanup (void *);
395 extern struct cleanup
*make_command_stats_cleanup (int);
397 extern int myread (int, char *, int);
399 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
400 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
401 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
403 extern void init_page_info (void);
405 extern struct cleanup
*make_cleanup_restore_page_info (void);
406 extern struct cleanup
*
407 set_batch_flag_and_make_cleanup_restore_page_info (void);
409 extern char *gdb_realpath (const char *);
410 extern char *xfullpath (const char *);
412 extern unsigned long gnu_debuglink_crc32 (unsigned long crc
,
413 unsigned char *buf
, size_t len
);
415 ULONGEST
strtoulst (const char *num
, const char **trailer
, int base
);
417 char *ldirname (const char *filename
);
419 char **gdb_buildargv (const char *);
421 int compare_positive_ints (const void *ap
, const void *bp
);
423 /* A wrapper for bfd_errmsg to produce a more helpful error message
424 in the case of bfd_error_file_ambiguously recognized.
425 MATCHING, if non-NULL, is the corresponding argument to
426 bfd_check_format_matches, and will be freed. */
428 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag
, char **matching
);
430 extern int parse_pid_to_attach (char *args
);
432 extern struct cleanup
*make_bpstat_clear_actions_cleanup (void);
434 /* From demangle.c */
436 extern void set_demangling_style (char *);
439 /* Annotation stuff. */
441 extern int annotation_level
; /* in stack.c */
443 extern void begin_line (void);
445 extern void wrap_here (char *);
447 extern void reinitialize_more_filter (void);
450 extern struct ui_file
*gdb_stdout
;
452 extern struct ui_file
*gdb_stdin
;
453 /* Serious error notifications */
454 extern struct ui_file
*gdb_stderr
;
455 /* Log/debug/trace messages that should bypass normal stdout/stderr
456 filtering. For moment, always call this stream using
457 *_unfiltered. In the very near future that restriction shall be
458 removed - either call shall be unfiltered. (cagney 1999-06-13). */
459 extern struct ui_file
*gdb_stdlog
;
460 /* Target output that should bypass normal stdout/stderr filtering.
461 For moment, always call this stream using *_unfiltered. In the
462 very near future that restriction shall be removed - either call
463 shall be unfiltered. (cagney 1999-07-02). */
464 extern struct ui_file
*gdb_stdtarg
;
465 extern struct ui_file
*gdb_stdtargerr
;
466 extern struct ui_file
*gdb_stdtargin
;
470 /* More generic printf like operations. Filtered versions may return
471 non-locally on error. */
473 extern void fputs_filtered (const char *, struct ui_file
*);
475 extern void fputs_unfiltered (const char *, struct ui_file
*);
477 extern int fputc_filtered (int c
, struct ui_file
*);
479 extern int fputc_unfiltered (int c
, struct ui_file
*);
481 extern int putchar_filtered (int c
);
483 extern int putchar_unfiltered (int c
);
485 extern void puts_filtered (const char *);
487 extern void puts_unfiltered (const char *);
489 extern void puts_filtered_tabular (char *string
, int width
, int right
);
491 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
493 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
495 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list)
496 ATTRIBUTE_PRINTF (2, 0);
498 extern void fprintf_filtered (struct ui_file
*, const char *, ...)
499 ATTRIBUTE_PRINTF (2, 3);
501 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...)
502 ATTRIBUTE_PRINTF (3, 4);
504 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
506 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
508 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
510 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list)
511 ATTRIBUTE_PRINTF (2, 0);
513 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...)
514 ATTRIBUTE_PRINTF (2, 3);
516 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
518 extern void print_spaces (int, struct ui_file
*);
520 extern void print_spaces_filtered (int, struct ui_file
*);
522 extern char *n_spaces (int);
524 extern void fputstr_filtered (const char *str
, int quotr
,
525 struct ui_file
* stream
);
527 extern void fputstr_unfiltered (const char *str
, int quotr
,
528 struct ui_file
* stream
);
530 extern void fputstrn_filtered (const char *str
, int n
, int quotr
,
531 struct ui_file
* stream
);
533 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
,
534 struct ui_file
* stream
);
536 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
537 extern void gdb_print_host_address (const void *addr
, struct ui_file
*stream
);
539 extern const char *host_address_to_string (const void *addr
);
541 /* Convert CORE_ADDR to string in platform-specific manner.
542 This is usually formatted similar to 0x%lx. */
543 extern const char *paddress (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
545 /* Return a string representation in hexadecimal notation of ADDRESS,
546 which is suitable for printing. */
548 extern const char *print_core_address (struct gdbarch
*gdbarch
,
552 extern char *plongest (LONGEST l
);
553 /* %u for ULONGEST */
554 extern char *pulongest (ULONGEST l
);
556 extern char *phex (ULONGEST l
, int sizeof_l
);
557 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
558 extern char *int_string (LONGEST
, int, int, int, int);
560 /* Convert a CORE_ADDR into a HEX string with leading zeros.
561 The output from core_addr_to_string() can be passed direct to
562 string_to_core_addr(). */
563 extern const char *core_addr_to_string (const CORE_ADDR addr
);
564 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
565 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
567 /* Return a string that contains a number formatted as a hex
569 extern char *hex_string (LONGEST
);
570 extern char *hex_string_custom (LONGEST
, int);
572 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
575 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN
;
577 extern void print_sys_errmsg (const char *, int);
579 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
580 "const char *" in unistd.h, so we can't declare the argument
583 extern char *re_comp (const char *);
587 extern void symbol_file_command (char *, int);
589 /* Remote targets may wish to use this as their load function. */
590 extern void generic_load (char *name
, int from_tty
);
592 /* Report on STREAM the performance of memory transfer operation,
594 DATA_COUNT is the number of bytes transferred.
595 WRITE_COUNT is the number of separate write operations, or 0,
596 if that information is not available.
597 START_TIME is the time at which an operation was started.
598 END_TIME is the time at which an operation ended. */
600 extern void print_transfer_performance (struct ui_file
*stream
,
601 unsigned long data_count
,
602 unsigned long write_count
,
603 const struct timeval
*start_time
,
604 const struct timeval
*end_time
);
608 typedef void initialize_file_ftype (void);
610 extern char *skip_quoted (char *);
612 extern char *gdb_readline (char *);
614 extern char *gdb_readline_wrapper (char *);
616 extern char *command_line_input (char *, int, char *);
618 extern void print_prompt (void);
620 extern int input_from_terminal_p (void);
622 extern int info_verbose
;
624 /* From printcmd.c */
626 extern void set_next_address (struct gdbarch
*, CORE_ADDR
);
628 extern void print_address_symbolic (struct gdbarch
*, CORE_ADDR
,
629 struct ui_file
*, int, char *);
631 extern int build_address_symbolic (struct gdbarch
*,
640 extern void print_address (struct gdbarch
*, CORE_ADDR
, struct ui_file
*);
641 extern const char *pc_prefix (CORE_ADDR
);
645 #define OPF_TRY_CWD_FIRST 0x01
646 #define OPF_SEARCH_IN_PATH 0x02
648 extern int openp (const char *, int, const char *, int, char **);
650 extern int source_full_path_of (const char *, char **);
652 extern void mod_path (char *, char **);
654 extern void add_path (char *, char **, int);
656 extern void directory_command (char *, int);
658 extern void directory_switch (char *, int);
660 extern char *source_path
;
662 extern void init_source_path (void);
666 typedef int (*find_memory_region_ftype
) (CORE_ADDR addr
, unsigned long size
,
667 int read
, int write
, int exec
,
670 /* Take over the 'find_mapped_memory' vector from exec.c. */
671 extern void exec_set_find_memory_regions
672 (int (*func
) (find_memory_region_ftype func
, void *data
));
674 /* Possible lvalue types. Like enum language, this should be in
675 value.h, but needs to be here for the same reason. */
683 /* In a register. Registers are relative to a frame. */
685 /* In a gdb internal variable. */
687 /* Part of a gdb internal variable (structure field). */
688 lval_internalvar_component
,
689 /* Value's bits are fetched and stored using functions provided by
694 /* Control types for commands */
696 enum misc_command_type
704 enum command_control_type
713 while_stepping_control
,
717 /* Structure for saved commands lines
718 (for breakpoints, defined commands, etc). */
722 struct command_line
*next
;
724 enum command_control_type control_type
;
725 /* The number of elements in body_list. */
727 /* For composite commands, the nested lists of commands. For
728 example, for "if" command this will contain the then branch and
729 the else branch, if that is available. */
730 struct command_line
**body_list
;
733 extern struct command_line
*read_command_lines (char *, int, int,
734 void (*)(char *, void *),
736 extern struct command_line
*read_command_lines_1 (char * (*) (void), int,
737 void (*)(char *, void *),
740 extern void free_command_lines (struct command_line
**);
742 /* String containing the current directory (what getwd would return). */
744 extern char *current_directory
;
746 /* Default radixes for input and output. Only some values supported. */
747 extern unsigned input_radix
;
748 extern unsigned output_radix
;
750 /* Possibilities for prettyprint parameters to routines which print
751 things. Like enum language, this should be in value.h, but needs
752 to be here for the same reason. FIXME: If we can eliminate this
753 as an arg to LA_VAL_PRINT, then we can probably move it back to
758 Val_no_prettyprint
= 0,
760 /* Use the default setting which the user has specified. */
764 /* Optional native machine support. Non-native (and possibly pure
765 multi-arch) targets do not need a "nm.h" file. This will be a
766 symlink to one of the nm-*.h files, built by the `configure'
773 /* Assume that fopen accepts the letter "b" in the mode string.
774 It is demanded by ISO C9X, and should be supported on all
775 platforms that claim to have a standard-conforming C library. On
776 true POSIX systems it will be ignored and have no effect. There
777 may still be systems without a standard-conforming C library where
778 an ISO C9X compiler (GCC) is available. Known examples are SunOS
779 4.x and 4.3BSD. This assumption means these systems are no longer
782 # include "fopen-bin.h"
785 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
786 FIXME: Assumes 2's complement arithmetic. */
788 #if !defined (UINT_MAX)
789 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
792 #if !defined (INT_MAX)
793 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
796 #if !defined (INT_MIN)
797 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
800 #if !defined (ULONG_MAX)
801 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
804 #if !defined (LONG_MAX)
805 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
808 #if !defined (ULONGEST_MAX)
809 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
812 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
813 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
816 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
817 arguments to a function, number in a value history, register number, etc.)
818 where the value must not be larger than can fit in an int. */
820 extern int longest_to_int (LONGEST
);
822 /* Assorted functions we can declare, now that const and volatile are
825 extern char *savestring (const char *, size_t);
827 /* Utility macros to allocate typed memory. Avoids errors like:
828 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
829 sizeof (struct foo), 0). */
830 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
831 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
832 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
834 #include "common-utils.h"
836 extern int parse_escape (struct gdbarch
*, char **);
838 /* Message to be printed before the error message, when an error occurs. */
840 extern char *error_pre_print
;
842 /* Message to be printed before the error message, when an error occurs. */
844 extern char *quit_pre_print
;
846 /* Message to be printed before the warning message, when a warning occurs. */
848 extern char *warning_pre_print
;
850 extern void verror (const char *fmt
, va_list ap
)
851 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
853 extern void error (const char *fmt
, ...)
854 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
856 extern void error_stream (struct ui_file
*) ATTRIBUTE_NORETURN
;
858 extern void vfatal (const char *fmt
, va_list ap
)
859 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
861 extern void fatal (const char *fmt
, ...)
862 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
864 extern void internal_verror (const char *file
, int line
, const char *,
866 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (3, 0);
868 extern void internal_vwarning (const char *file
, int line
,
869 const char *, va_list ap
)
870 ATTRIBUTE_PRINTF (3, 0);
872 extern void internal_warning (const char *file
, int line
,
873 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
875 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
877 extern void vwarning (const char *, va_list args
) ATTRIBUTE_PRINTF (1, 0);
879 /* List of known OS ABIs. If you change this, make sure to update the
883 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
885 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
892 GDB_OSABI_FREEBSD_AOUT
,
893 GDB_OSABI_FREEBSD_ELF
,
894 GDB_OSABI_NETBSD_AOUT
,
895 GDB_OSABI_NETBSD_ELF
,
896 GDB_OSABI_OPENBSD_ELF
,
910 GDB_OSABI_INVALID
/* keep this last */
913 /* Global functions from other, non-gdb GNU thingies.
914 Libiberty thingies are no longer declared here. We include libiberty.h
917 /* From other system libraries */
927 #define min(a, b) ((a) < (b) ? (a) : (b))
930 #define max(a, b) ((a) > (b) ? (a) : (b))
935 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
938 /* Various possibilities for alloca. */
941 #define alloca __builtin_alloca
942 #else /* Not GNU C */
950 /* We need to be careful not to declare this in a way which conflicts with
951 bison. Bison never declares it as char *, but under various circumstances
952 (like __hpux) we need to use void *. */
953 extern void *alloca ();
954 #endif /* Not _AIX */
955 #endif /* Not HAVE_ALLOCA_H */
956 #endif /* Not GNU C */
957 #endif /* alloca not defined */
959 /* Dynamic target-system-dependent parameters for GDB. */
962 /* Maximum size of a register. Something small, but large enough for
963 all known ISAs. If it turns out to be too small, make it bigger. */
965 enum { MAX_REGISTER_SIZE
= 64 };
967 /* Static target-system-dependent parameters for GDB. */
969 /* Number of bits in a char or unsigned char for the target machine.
970 Just like CHAR_BIT in <limits.h> but describes the target machine. */
971 #if !defined (TARGET_CHAR_BIT)
972 #define TARGET_CHAR_BIT 8
975 /* If we picked up a copy of CHAR_BIT from a configuration file
976 (which may get it by including <limits.h>) then use it to set
977 the number of bits in a host char. If not, use the same size
980 #if defined (CHAR_BIT)
981 #define HOST_CHAR_BIT CHAR_BIT
983 #define HOST_CHAR_BIT TARGET_CHAR_BIT
988 extern LONGEST
extract_signed_integer (const gdb_byte
*, int,
991 extern ULONGEST
extract_unsigned_integer (const gdb_byte
*, int,
994 extern int extract_long_unsigned_integer (const gdb_byte
*, int,
995 enum bfd_endian
, LONGEST
*);
997 extern CORE_ADDR
extract_typed_address (const gdb_byte
*buf
,
1000 extern void store_signed_integer (gdb_byte
*, int,
1001 enum bfd_endian
, LONGEST
);
1003 extern void store_unsigned_integer (gdb_byte
*, int,
1004 enum bfd_endian
, ULONGEST
);
1006 extern void store_typed_address (gdb_byte
*buf
, struct type
*type
,
1012 extern int watchdog
;
1014 /* Hooks for alternate command interfaces. */
1016 /* The name of the interpreter if specified on the command line. */
1017 extern char *interpreter_p
;
1019 /* If a given interpreter matches INTERPRETER_P then it should update
1020 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1021 per-interpreter implementation. */
1022 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1023 should be moved here. */
1025 struct target_waitstatus
;
1026 struct cmd_list_element
;
1028 extern void (*deprecated_pre_add_symbol_hook
) (const char *);
1029 extern void (*deprecated_post_add_symbol_hook
) (void);
1030 extern void (*selected_frame_level_changed_hook
) (int);
1031 extern int (*deprecated_ui_loop_hook
) (int signo
);
1032 extern void (*deprecated_init_ui_hook
) (char *argv0
);
1033 extern void (*deprecated_command_loop_hook
) (void);
1034 extern void (*deprecated_show_load_progress
) (const char *section
,
1035 unsigned long section_sent
,
1036 unsigned long section_size
,
1037 unsigned long total_sent
,
1038 unsigned long total_size
);
1039 extern void (*deprecated_print_frame_info_listing_hook
) (struct symtab
* s
,
1043 extern int (*deprecated_query_hook
) (const char *, va_list)
1044 ATTRIBUTE_FPTR_PRINTF(1,0);
1045 extern void (*deprecated_warning_hook
) (const char *, va_list)
1046 ATTRIBUTE_FPTR_PRINTF(1,0);
1047 extern void (*deprecated_flush_hook
) (struct ui_file
* stream
);
1048 extern void (*deprecated_interactive_hook
) (void);
1049 extern void (*deprecated_readline_begin_hook
) (char *, ...)
1050 ATTRIBUTE_FPTR_PRINTF_1
;
1051 extern char *(*deprecated_readline_hook
) (char *);
1052 extern void (*deprecated_readline_end_hook
) (void);
1053 extern void (*deprecated_register_changed_hook
) (int regno
);
1054 extern void (*deprecated_context_hook
) (int);
1055 extern ptid_t (*deprecated_target_wait_hook
) (ptid_t ptid
,
1056 struct target_waitstatus
*status
,
1059 extern void (*deprecated_attach_hook
) (void);
1060 extern void (*deprecated_detach_hook
) (void);
1061 extern void (*deprecated_call_command_hook
) (struct cmd_list_element
* c
,
1062 char *cmd
, int from_tty
);
1064 extern void (*deprecated_set_hook
) (struct cmd_list_element
* c
);
1066 extern void (*deprecated_error_begin_hook
) (void);
1068 extern int (*deprecated_ui_load_progress_hook
) (const char *section
,
1072 /* Inhibit window interface if non-zero. */
1074 extern int use_windows
;
1076 /* Definitions of filename-related things. */
1078 /* Host specific things. */
1082 # define GLOBAL_CURDIR
1083 # define DIRNAME_SEPARATOR ';'
1086 #if !defined (__CYGWIN__) && defined (_WIN32)
1087 # define DIRNAME_SEPARATOR ';'
1090 #ifndef DIRNAME_SEPARATOR
1091 #define DIRNAME_SEPARATOR ':'
1094 #ifndef SLASH_STRING
1095 #define SLASH_STRING "/"
1098 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1099 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1100 in the code actually refer to a lightweight process id, i.e,
1101 something that can be considered a process id in its own right for
1102 certain purposes. */
1105 #define PIDGET(PTID) (ptid_get_pid (PTID))
1106 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1107 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1110 /* Define well known filenos if the system does not define them. */
1111 #ifndef STDIN_FILENO
1112 #define STDIN_FILENO 0
1114 #ifndef STDOUT_FILENO
1115 #define STDOUT_FILENO 1
1117 #ifndef STDERR_FILENO
1118 #define STDERR_FILENO 2
1121 /* If this definition isn't overridden by the header files, assume
1122 that isatty and fileno exist on this system. */
1124 #define ISATTY(FP) (isatty (fileno (FP)))
1127 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1128 power of 2). Round up/down when necessary. Examples of correct
1131 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1132 write_memory (addr, value, len);
1137 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1138 write_memory (sp, value, len);
1140 Note that uses such as:
1142 write_memory (addr, value, len);
1143 addr += align_up (len, 8);
1147 sp -= align_up (len, 8);
1148 write_memory (sp, value, len);
1150 are typically not correct as they don't ensure that the address (SP
1151 or ADDR) is correctly aligned (relying on previous alignment to
1152 keep things right). This is also why the methods are called
1153 "align_..." instead of "round_..." as the latter reads better with
1154 this incorrect coding style. */
1156 extern ULONGEST
align_up (ULONGEST v
, int n
);
1157 extern ULONGEST
align_down (ULONGEST v
, int n
);
1159 /* Allocation and deallocation functions for the libiberty hash table
1160 which use obstacks. */
1161 void *hashtab_obstack_allocate (void *data
, size_t size
, size_t count
);
1162 void dummy_obstack_deallocate (void *object
, void *data
);
1164 /* From progspace.c */
1166 extern void initialize_progspace (void);
1167 extern void initialize_inferiors (void);
1169 /* Special block numbers */
1175 FIRST_LOCAL_BLOCK
= 2
1178 #endif /* #ifndef DEFS_H */