1 /* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
2 /* Basic, host-specific, and target-specific definitions for GDB.
3 Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
4 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
5 Free Software Foundation, Inc.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 #include "config.h" /* Generated by configure. */
27 #include <sys/types.h>
29 #include <errno.h> /* System call error return status. */
33 /* The libdecnumber library, on which GDB depends, includes a header file
34 called gstdint.h instead of relying directly on stdint.h. GDB, on the
35 other hand, includes stdint.h directly, relying on the fact that gnulib
36 generates a copy if the system doesn't provide one or if it is missing
37 some features. Unfortunately, gstdint.h and stdint.h cannot be included
38 at the same time, which may happen when we include a file from
41 The following macro definition effectively prevents the inclusion of
42 gstdint.h, as all the definitions it provides are guarded against
43 the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h
44 included, so it's ok to blank out gstdint.h. */
45 #define GCC_GENERATED_STDINT_H 1
57 /* First include ansidecl.h so we can use the various macro definitions
58 here and in all subsequent file inclusions. */
62 #include "gdb_locale.h"
64 /* For ``enum target_signal''. */
65 #include "gdb/signals.h"
67 /* Just in case they're not defined in stdio.h. */
76 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
77 It is used as an access modifier in calls to open(), where it acts
78 similarly to the "b" character in fopen()'s MODE argument. On Posix
79 platforms it should be a no-op, so it is defined as 0 here. This
80 ensures that the symbol may be used freely elsewhere in gdb. */
86 #include <stdarg.h> /* For va_list. */
88 #include "libiberty.h"
90 /* Rather than duplicate all the logic in BFD for figuring out what
91 types to use (which can be pretty complicated), symply define them
92 in terms of the corresponding type from BFD. */
96 /* A byte from the program being debugged. */
97 typedef bfd_byte gdb_byte
;
99 /* An address in the program being debugged. Host byte order. */
100 typedef bfd_vma CORE_ADDR
;
102 /* The largest CORE_ADDR value. */
103 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
105 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
111 #define LONGEST BFD_HOST_64_BIT
112 #define ULONGEST BFD_HOST_U_64_BIT
116 #ifdef CC_HAS_LONG_LONG
117 #define LONGEST long long
118 #define ULONGEST unsigned long long
120 #ifdef BFD_HOST_64_BIT
121 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
122 (e.g. i386-windows) so try it. */
123 #define LONGEST BFD_HOST_64_BIT
124 #define ULONGEST BFD_HOST_U_64_BIT
127 #define ULONGEST unsigned long
131 #endif /* No BFD64 */
133 #endif /* ! LONGEST */
136 #define min(a, b) ((a) < (b) ? (a) : (b))
139 #define max(a, b) ((a) > (b) ? (a) : (b))
142 /* Check if a character is one of the commonly used C++ marker characters. */
143 extern int is_cplus_marker (int);
145 /* enable xdb commands if set */
146 extern int xdb_commands
;
148 /* enable dbx commands if set */
149 extern int dbx_commands
;
151 /* System root path, used to find libraries etc. */
152 extern char *gdb_sysroot
;
154 /* Search path for separate debug files. */
155 extern char *debug_file_directory
;
157 extern int quit_flag
;
158 extern int immediate_quit
;
159 extern int sevenbit_strings
;
161 extern void quit (void);
163 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
164 benefits of having a ``QUIT'' macro rather than a function are
165 marginal. If the overhead of a QUIT function call is proving
166 significant then its calling frequency should probably be reduced
167 [kingdon]. A profile analyzing the current situtation is
171 if (quit_flag) quit (); \
172 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
175 /* Languages represented in the symbol table and elsewhere.
176 This should probably be in language.h, but since enum's can't
177 be forward declared to satisfy opaque references before their
178 actual definition, needs to be here. */
182 language_unknown
, /* Language not known */
183 language_auto
, /* Placeholder for automatic setting */
185 language_cplus
, /* C++ */
186 language_objc
, /* Objective-C */
187 language_java
, /* Java */
188 language_fortran
, /* Fortran */
189 language_m2
, /* Modula-2 */
190 language_asm
, /* Assembly language */
191 language_pascal
, /* Pascal */
192 language_ada
, /* Ada */
193 language_scm
, /* Guile Scheme */
194 language_minimal
, /* All other languages, minimal support only */
202 unspecified_precision
205 /* A generic, not quite boolean, enumeration. */
213 /* Potential ways that a function can return a value of a given type. */
214 enum return_value_convention
216 /* Where the return value has been squeezed into one or more
218 RETURN_VALUE_REGISTER_CONVENTION
,
219 /* Commonly known as the "struct return convention". The caller
220 passes an additional hidden first parameter to the caller. That
221 parameter contains the address at which the value being returned
222 should be stored. While typically, and historically, used for
223 large structs, this is convention is applied to values of many
225 RETURN_VALUE_STRUCT_CONVENTION
,
226 /* Like the "struct return convention" above, but where the ABI
227 guarantees that the called function stores the address at which
228 the value being returned is stored in a well-defined location,
229 such as a register or memory slot in the stack frame. Don't use
230 this if the ABI doesn't explicitly guarantees this. */
231 RETURN_VALUE_ABI_RETURNS_ADDRESS
,
232 /* Like the "struct return convention" above, but where the ABI
233 guarantees that the address at which the value being returned is
234 stored will be available in a well-defined location, such as a
235 register or memory slot in the stack frame. Don't use this if
236 the ABI doesn't explicitly guarantees this. */
237 RETURN_VALUE_ABI_PRESERVES_ADDRESS
,
240 /* the cleanup list records things that have to be undone
241 if an error happens (descriptors to be closed, memory to be freed, etc.)
242 Each link in the chain records a function to call and an
245 Use make_cleanup to add an element to the cleanup chain.
246 Use do_cleanups to do all cleanup actions back to a given
247 point in the chain. Use discard_cleanups to remove cleanups
248 from the chain back to a given point, not doing them.
250 If the argument is pointer to allocated memory, then you need to
251 to additionally set the 'free_arg' member to a function that will
252 free that memory. This function will be called both when the cleanup
253 is executed and when it's discarded. */
257 struct cleanup
*next
;
258 void (*function
) (void *);
259 void (*free_arg
) (void *);
264 /* The ability to declare that a function never returns is useful, but
265 not really required to compile GDB successfully, so the NORETURN and
266 ATTR_NORETURN macros normally expand into nothing. */
268 /* If compiling with older versions of GCC, a function may be declared
269 "volatile" to indicate that it does not return. */
272 #if defined(__GNUC__) \
273 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
274 #define NORETURN volatile
276 #define NORETURN /* nothing */
280 /* GCC 2.5 and later versions define a function attribute "noreturn",
281 which is the preferred way to declare that a function never returns.
282 However GCC 2.7 appears to be the first version in which this fully
283 works everywhere we use it. */
285 #ifndef ATTR_NORETURN
286 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
287 #define ATTR_NORETURN __attribute__ ((noreturn))
289 #define ATTR_NORETURN /* nothing */
294 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
295 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
297 #define ATTR_FORMAT(type, x, y) /* nothing */
301 /* Be conservative and use enum bitfields only with GCC.
302 This is copied from gcc 3.3.1, system.h. */
304 #if defined(__GNUC__) && (__GNUC__ >= 2)
305 #define ENUM_BITFIELD(TYPE) enum TYPE
307 #define ENUM_BITFIELD(TYPE) unsigned int
310 /* Needed for various prototypes */
319 extern void initialize_utils (void);
321 extern void notice_quit (void);
323 extern int strcmp_iw (const char *, const char *);
325 extern int strcmp_iw_ordered (const char *, const char *);
327 extern int streq (const char *, const char *);
329 extern int subset_compare (char *, char *);
331 extern char *safe_strerror (int);
333 #define ALL_CLEANUPS ((struct cleanup *)0)
335 extern void do_cleanups (struct cleanup
*);
336 extern void do_final_cleanups (struct cleanup
*);
338 extern void discard_cleanups (struct cleanup
*);
339 extern void discard_final_cleanups (struct cleanup
*);
340 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
342 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
343 make_cleanup function declarations below. Do not use this typedef
344 as a cast when passing functions into the make_cleanup() code.
345 Instead either use a bounce function or add a wrapper function.
346 Calling a f(char*) function with f(void*) is non-portable. */
347 typedef void (make_cleanup_ftype
) (void *);
349 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
351 extern struct cleanup
*make_cleanup_dtor (make_cleanup_ftype
*, void *,
352 void (*dtor
) (void *));
354 extern struct cleanup
*make_cleanup_freeargv (char **);
357 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
359 struct section_addr_info
;
360 extern struct cleanup
*(make_cleanup_free_section_addr_info
361 (struct section_addr_info
*));
363 extern struct cleanup
*make_cleanup_close (int fd
);
365 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
367 extern struct cleanup
*make_cleanup_restore_integer (int *variable
);
369 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
371 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
372 make_cleanup_ftype
*, void *);
374 extern struct cleanup
*make_my_cleanup2 (struct cleanup
**,
375 make_cleanup_ftype
*, void *,
376 void (*free_arg
) (void *));
378 extern struct cleanup
*save_cleanups (void);
379 extern struct cleanup
*save_final_cleanups (void);
380 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
382 extern void restore_cleanups (struct cleanup
*);
383 extern void restore_final_cleanups (struct cleanup
*);
384 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
386 extern void free_current_contents (void *);
388 extern void null_cleanup (void *);
390 extern int myread (int, char *, int);
392 extern int query (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
393 extern int nquery (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
394 extern int yquery (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
396 extern void init_page_info (void);
398 extern char *gdb_realpath (const char *);
399 extern char *xfullpath (const char *);
401 extern unsigned long gnu_debuglink_crc32 (unsigned long crc
,
402 unsigned char *buf
, size_t len
);
404 ULONGEST
strtoulst (const char *num
, const char **trailer
, int base
);
406 char *ldirname (const char *filename
);
408 /* From demangle.c */
410 extern void set_demangling_style (char *);
413 /* Annotation stuff. */
415 extern int annotation_level
; /* in stack.c */
417 extern void begin_line (void);
419 extern void wrap_here (char *);
421 extern void reinitialize_more_filter (void);
424 extern struct ui_file
*gdb_stdout
;
426 extern struct ui_file
*gdb_stdin
;
427 /* Serious error notifications */
428 extern struct ui_file
*gdb_stderr
;
429 /* Log/debug/trace messages that should bypass normal stdout/stderr
430 filtering. For moment, always call this stream using
431 *_unfiltered. In the very near future that restriction shall be
432 removed - either call shall be unfiltered. (cagney 1999-06-13). */
433 extern struct ui_file
*gdb_stdlog
;
434 /* Target output that should bypass normal stdout/stderr filtering.
435 For moment, always call this stream using *_unfiltered. In the
436 very near future that restriction shall be removed - either call
437 shall be unfiltered. (cagney 1999-07-02). */
438 extern struct ui_file
*gdb_stdtarg
;
439 extern struct ui_file
*gdb_stdtargerr
;
440 extern struct ui_file
*gdb_stdtargin
;
444 /* More generic printf like operations. Filtered versions may return
445 non-locally on error. */
447 extern void fputs_filtered (const char *, struct ui_file
*);
449 extern void fputs_unfiltered (const char *, struct ui_file
*);
451 extern int fputc_filtered (int c
, struct ui_file
*);
453 extern int fputc_unfiltered (int c
, struct ui_file
*);
455 extern int putchar_filtered (int c
);
457 extern int putchar_unfiltered (int c
);
459 extern void puts_filtered (const char *);
461 extern void puts_unfiltered (const char *);
463 extern void puts_filtered_tabular (char *string
, int width
, int right
);
465 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
467 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
469 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
471 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
473 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
475 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
477 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
479 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
481 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
483 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
485 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
487 extern void print_spaces (int, struct ui_file
*);
489 extern void print_spaces_filtered (int, struct ui_file
*);
491 extern char *n_spaces (int);
493 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
495 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
497 extern void fputstrn_filtered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
499 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
501 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
502 extern void gdb_print_host_address (const void *addr
, struct ui_file
*stream
);
504 extern const char *host_address_to_string (const void *addr
);
506 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
507 paddr_nz() is like %lx. */
508 extern int strlen_paddr (void);
509 extern char *paddr (CORE_ADDR addr
);
510 extern char *paddr_nz (CORE_ADDR addr
);
513 extern const char *paddress (CORE_ADDR addr
);
516 extern char *plongest (LONGEST l
);
517 /* %u for ULONGEST */
518 extern char *pulongest (ULONGEST l
);
520 extern char *phex (ULONGEST l
, int sizeof_l
);
521 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
522 extern char *int_string (LONGEST
, int, int, int, int);
524 /* Like paddr() only print/scan raw CORE_ADDR. The output from
525 core_addr_to_string() can be passed direct to
526 string_to_core_addr(). */
527 extern const char *core_addr_to_string (const CORE_ADDR addr
);
528 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
529 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
531 /* Return a string that contains a number formatted as a hex
533 extern char *hex_string (LONGEST
);
534 extern char *hex_string_custom (LONGEST
, int);
536 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
539 extern NORETURN
void perror_with_name (const char *) ATTR_NORETURN
;
541 extern void print_sys_errmsg (const char *, int);
543 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
544 "const char *" in unistd.h, so we can't declare the argument
547 extern char *re_comp (const char *);
551 extern void symbol_file_command (char *, int);
553 /* Remote targets may wish to use this as their load function. */
554 extern void generic_load (char *name
, int from_tty
);
556 /* Report on STREAM the performance of memory transfer operation,
558 DATA_COUNT is the number of bytes transferred.
559 WRITE_COUNT is the number of separate write operations, or 0,
560 if that information is not available.
561 START_TIME is the time at which an operation was started.
562 END_TIME is the time at which an operation ended. */
564 extern void print_transfer_performance (struct ui_file
*stream
,
565 unsigned long data_count
,
566 unsigned long write_count
,
567 const struct timeval
*start_time
,
568 const struct timeval
*end_time
);
572 typedef void initialize_file_ftype (void);
574 extern char *skip_quoted (char *);
576 extern char *gdb_readline (char *);
578 extern char *gdb_readline_wrapper (char *);
580 extern char *command_line_input (char *, int, char *);
582 extern void print_prompt (void);
584 extern int input_from_terminal_p (void);
586 extern int info_verbose
;
588 /* From printcmd.c */
590 extern void set_next_address (struct gdbarch
*, CORE_ADDR
);
592 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
595 extern int build_address_symbolic (CORE_ADDR addr
,
603 extern void print_address (CORE_ADDR
, struct ui_file
*);
607 #define OPF_TRY_CWD_FIRST 0x01
608 #define OPF_SEARCH_IN_PATH 0x02
610 extern int openp (const char *, int, const char *, int, int, char **);
612 extern int source_full_path_of (char *, char **);
614 extern void mod_path (char *, char **);
616 extern void add_path (char *, char **, int);
618 extern void directory_command (char *, int);
620 extern void directory_switch (char *, int);
622 extern char *source_path
;
624 extern void init_source_path (void);
626 extern void init_last_source_visited (void);
630 /* Take over the 'find_mapped_memory' vector from exec.c. */
631 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR
,
637 /* Possible lvalue types. Like enum language, this should be in
638 value.h, but needs to be here for the same reason. */
646 /* In a register. Registers are relative to a frame. */
648 /* In a gdb internal variable. */
650 /* Part of a gdb internal variable (structure field). */
651 lval_internalvar_component
654 /* Control types for commands */
656 enum misc_command_type
664 enum command_control_type
676 /* Structure for saved commands lines
677 (for breakpoints, defined commands, etc). */
681 struct command_line
*next
;
683 enum command_control_type control_type
;
685 struct command_line
**body_list
;
688 extern struct command_line
*read_command_lines (char *, int, int);
690 extern void free_command_lines (struct command_line
**);
692 /* To continue the execution commands when running gdb asynchronously.
693 A continuation structure contains a pointer to a function to be called
694 to finish the command, once the target has stopped. Such mechanism is
695 used by the finish and until commands, and in the remote protocol
696 when opening an extended-remote connection. */
702 extern void add_continuation (struct thread_info
*,
703 void (*)(void *), void *,
705 extern void do_all_continuations (void);
706 extern void do_all_continuations_thread (struct thread_info
*);
707 extern void discard_all_continuations (void);
708 extern void discard_all_continuations_thread (struct thread_info
*);
710 extern void add_intermediate_continuation (struct thread_info
*,
711 void (*)(void *), void *,
713 extern void do_all_intermediate_continuations (void);
714 extern void do_all_intermediate_continuations_thread (struct thread_info
*);
715 extern void discard_all_intermediate_continuations (void);
716 extern void discard_all_intermediate_continuations_thread (struct thread_info
*);
718 /* String containing the current directory (what getwd would return). */
720 extern char *current_directory
;
722 /* Default radixes for input and output. Only some values supported. */
723 extern unsigned input_radix
;
724 extern unsigned output_radix
;
726 /* Possibilities for prettyprint parameters to routines which print
727 things. Like enum language, this should be in value.h, but needs
728 to be here for the same reason. FIXME: If we can eliminate this
729 as an arg to LA_VAL_PRINT, then we can probably move it back to
734 Val_no_prettyprint
= 0,
736 /* Use the default setting which the user has specified. */
740 /* The ptid struct is a collection of the various "ids" necessary
741 for identifying the inferior. This consists of the process id
742 (pid), thread id (tid), and other fields necessary for uniquely
743 identifying the inferior process/thread being debugged. When
744 manipulating ptids, the constructors, accessors, and predicate
745 declared in inferior.h should be used. These are as follows:
747 ptid_build - Make a new ptid from a pid, lwp, and tid.
748 pid_to_ptid - Make a new ptid from just a pid.
749 ptid_get_pid - Fetch the pid component of a ptid.
750 ptid_get_lwp - Fetch the lwp component of a ptid.
751 ptid_get_tid - Fetch the tid component of a ptid.
752 ptid_equal - Test to see if two ptids are equal.
754 Please do NOT access the struct ptid members directly (except, of
755 course, in the implementation of the above ptid manipulation
763 /* Lightweight process id */
770 typedef struct ptid ptid_t
;
774 /* Optional native machine support. Non-native (and possibly pure
775 multi-arch) targets do not need a "nm.h" file. This will be a
776 symlink to one of the nm-*.h files, built by the `configure'
783 /* Assume that fopen accepts the letter "b" in the mode string.
784 It is demanded by ISO C9X, and should be supported on all
785 platforms that claim to have a standard-conforming C library. On
786 true POSIX systems it will be ignored and have no effect. There
787 may still be systems without a standard-conforming C library where
788 an ISO C9X compiler (GCC) is available. Known examples are SunOS
789 4.x and 4.3BSD. This assumption means these systems are no longer
792 # include "fopen-bin.h"
795 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
796 FIXME: Assumes 2's complement arithmetic */
798 #if !defined (UINT_MAX)
799 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
802 #if !defined (INT_MAX)
803 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
806 #if !defined (INT_MIN)
807 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
810 #if !defined (ULONG_MAX)
811 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
814 #if !defined (LONG_MAX)
815 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
818 #if !defined (ULONGEST_MAX)
819 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
822 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
823 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
826 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
827 arguments to a function, number in a value history, register number, etc.)
828 where the value must not be larger than can fit in an int. */
830 extern int longest_to_int (LONGEST
);
832 /* Assorted functions we can declare, now that const and volatile are
835 extern char *savestring (const char *, size_t);
837 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
839 extern void xfree (void *);
841 /* Like xmalloc, but zero the memory. */
842 extern void *xzalloc (size_t);
844 /* Utility macros to allocate typed memory. Avoids errors like:
845 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
846 sizeof (struct foo), 0). */
847 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
848 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
849 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
851 /* Like asprintf/vasprintf but get an internal_error if the call
853 extern void xasprintf (char **ret
, const char *format
, ...) ATTR_FORMAT (printf
, 2, 3);
854 extern void xvasprintf (char **ret
, const char *format
, va_list ap
)
855 ATTR_FORMAT (printf
, 2, 0);
857 /* Like asprintf and vasprintf, but return the string, throw an error
859 extern char *xstrprintf (const char *format
, ...) ATTR_FORMAT (printf
, 1, 2);
860 extern char *xstrvprintf (const char *format
, va_list ap
)
861 ATTR_FORMAT (printf
, 1, 0);
863 /* Like snprintf, but throw an error if the output buffer is too small. */
864 extern int xsnprintf (char *str
, size_t size
, const char *format
, ...)
865 ATTR_FORMAT (printf
, 3, 4);
867 extern int parse_escape (char **);
869 /* Message to be printed before the error message, when an error occurs. */
871 extern char *error_pre_print
;
873 /* Message to be printed before the error message, when an error occurs. */
875 extern char *quit_pre_print
;
877 /* Message to be printed before the warning message, when a warning occurs. */
879 extern char *warning_pre_print
;
881 extern NORETURN
void verror (const char *fmt
, va_list ap
)
882 ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 0);
884 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
886 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
888 extern NORETURN
void vfatal (const char *fmt
, va_list ap
)
889 ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 0);
891 extern NORETURN
void fatal (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
893 extern NORETURN
void internal_verror (const char *file
, int line
,
894 const char *, va_list ap
)
895 ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 0);
897 extern NORETURN
void internal_error (const char *file
, int line
,
898 const char *, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 4);
900 extern void internal_vwarning (const char *file
, int line
,
901 const char *, va_list ap
)
902 ATTR_FORMAT (printf
, 3, 0);
904 extern void internal_warning (const char *file
, int line
,
905 const char *, ...) ATTR_FORMAT (printf
, 3, 4);
907 extern NORETURN
void nomem (long) ATTR_NORETURN
;
909 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
911 extern void vwarning (const char *, va_list args
) ATTR_FORMAT (printf
, 1, 0);
913 /* List of known OS ABIs. If you change this, make sure to update the
917 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
919 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
926 GDB_OSABI_FREEBSD_AOUT
,
927 GDB_OSABI_FREEBSD_ELF
,
928 GDB_OSABI_NETBSD_AOUT
,
929 GDB_OSABI_NETBSD_ELF
,
930 GDB_OSABI_OPENBSD_ELF
,
944 GDB_OSABI_INVALID
/* keep this last */
947 /* Global functions from other, non-gdb GNU thingies.
948 Libiberty thingies are no longer declared here. We include libiberty.h
951 /* From other system libraries */
961 #define min(a, b) ((a) < (b) ? (a) : (b))
964 #define max(a, b) ((a) > (b) ? (a) : (b))
969 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
972 /* Various possibilities for alloca. */
975 #define alloca __builtin_alloca
976 #else /* Not GNU C */
984 /* We need to be careful not to declare this in a way which conflicts with
985 bison. Bison never declares it as char *, but under various circumstances
986 (like __hpux) we need to use void *. */
987 extern void *alloca ();
988 #endif /* Not _AIX */
989 #endif /* Not HAVE_ALLOCA_H */
990 #endif /* Not GNU C */
991 #endif /* alloca not defined */
993 /* Dynamic target-system-dependent parameters for GDB. */
996 /* Maximum size of a register. Something small, but large enough for
997 all known ISAs. If it turns out to be too small, make it bigger. */
999 enum { MAX_REGISTER_SIZE
= 16 };
1001 /* Static target-system-dependent parameters for GDB. */
1003 /* Number of bits in a char or unsigned char for the target machine.
1004 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1005 #if !defined (TARGET_CHAR_BIT)
1006 #define TARGET_CHAR_BIT 8
1009 /* If we picked up a copy of CHAR_BIT from a configuration file
1010 (which may get it by including <limits.h>) then use it to set
1011 the number of bits in a host char. If not, use the same size
1014 #if defined (CHAR_BIT)
1015 #define HOST_CHAR_BIT CHAR_BIT
1017 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1022 extern LONGEST
extract_signed_integer (const gdb_byte
*, int);
1024 extern ULONGEST
extract_unsigned_integer (const gdb_byte
*, int);
1026 extern int extract_long_unsigned_integer (const gdb_byte
*, int, LONGEST
*);
1028 extern CORE_ADDR
extract_typed_address (const gdb_byte
*buf
,
1031 extern void store_signed_integer (gdb_byte
*, int, LONGEST
);
1033 extern void store_unsigned_integer (gdb_byte
*, int, ULONGEST
);
1035 extern void store_typed_address (gdb_byte
*buf
, struct type
*type
,
1041 extern int watchdog
;
1043 /* Hooks for alternate command interfaces. */
1045 /* The name of the interpreter if specified on the command line. */
1046 extern char *interpreter_p
;
1048 /* If a given interpreter matches INTERPRETER_P then it should update
1049 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1050 per-interpreter implementation. */
1051 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1052 should be moved here. */
1054 struct target_waitstatus
;
1055 struct cmd_list_element
;
1057 extern void (*deprecated_pre_add_symbol_hook
) (const char *);
1058 extern void (*deprecated_post_add_symbol_hook
) (void);
1059 extern void (*selected_frame_level_changed_hook
) (int);
1060 extern int (*deprecated_ui_loop_hook
) (int signo
);
1061 extern void (*deprecated_init_ui_hook
) (char *argv0
);
1062 extern void (*deprecated_command_loop_hook
) (void);
1063 extern void (*deprecated_show_load_progress
) (const char *section
,
1064 unsigned long section_sent
,
1065 unsigned long section_size
,
1066 unsigned long total_sent
,
1067 unsigned long total_size
);
1068 extern void (*deprecated_print_frame_info_listing_hook
) (struct symtab
* s
,
1069 int line
, int stopline
,
1071 extern int (*deprecated_query_hook
) (const char *, va_list)
1072 ATTRIBUTE_FPTR_PRINTF(1,0);
1073 extern void (*deprecated_warning_hook
) (const char *, va_list)
1074 ATTRIBUTE_FPTR_PRINTF(1,0);
1075 extern void (*deprecated_flush_hook
) (struct ui_file
* stream
);
1076 extern void (*deprecated_interactive_hook
) (void);
1077 extern void (*deprecated_readline_begin_hook
) (char *, ...)
1078 ATTRIBUTE_FPTR_PRINTF_1
;
1079 extern char *(*deprecated_readline_hook
) (char *);
1080 extern void (*deprecated_readline_end_hook
) (void);
1081 extern void (*deprecated_register_changed_hook
) (int regno
);
1082 extern void (*deprecated_memory_changed_hook
) (CORE_ADDR addr
, int len
);
1083 extern void (*deprecated_context_hook
) (int);
1084 extern ptid_t (*deprecated_target_wait_hook
) (ptid_t ptid
,
1085 struct target_waitstatus
* status
);
1087 extern void (*deprecated_attach_hook
) (void);
1088 extern void (*deprecated_detach_hook
) (void);
1089 extern void (*deprecated_call_command_hook
) (struct cmd_list_element
* c
,
1090 char *cmd
, int from_tty
);
1092 extern void (*deprecated_set_hook
) (struct cmd_list_element
* c
);
1094 extern void (*deprecated_error_hook
) (void);
1096 extern void (*deprecated_error_begin_hook
) (void);
1098 extern int (*deprecated_ui_load_progress_hook
) (const char *section
,
1102 /* Inhibit window interface if non-zero. */
1104 extern int use_windows
;
1106 /* Symbolic definitions of filename-related things. */
1107 /* FIXME, this doesn't work very well if host and executable
1108 filesystems conventions are different. */
1112 # define GLOBAL_CURDIR
1113 # define DIRNAME_SEPARATOR ';'
1116 #if !defined (__CYGWIN__) && defined (_WIN32)
1117 # define DIRNAME_SEPARATOR ';'
1120 #ifndef DIRNAME_SEPARATOR
1121 #define DIRNAME_SEPARATOR ':'
1124 #ifndef SLASH_STRING
1125 #define SLASH_STRING "/"
1128 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1129 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1130 in the code actually refer to a lightweight process id, i.e,
1131 something that can be considered a process id in its own right for
1132 certain purposes. */
1135 #define PIDGET(PTID) (ptid_get_pid (PTID))
1136 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1137 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1140 /* Define well known filenos if the system does not define them. */
1141 #ifndef STDIN_FILENO
1142 #define STDIN_FILENO 0
1144 #ifndef STDOUT_FILENO
1145 #define STDOUT_FILENO 1
1147 #ifndef STDERR_FILENO
1148 #define STDERR_FILENO 2
1151 /* If this definition isn't overridden by the header files, assume
1152 that isatty and fileno exist on this system. */
1154 #define ISATTY(FP) (isatty (fileno (FP)))
1157 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1158 power of 2). Round up/down when necessary. Examples of correct
1161 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1162 write_memory (addr, value, len);
1167 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1168 write_memory (sp, value, len);
1170 Note that uses such as:
1172 write_memory (addr, value, len);
1173 addr += align_up (len, 8);
1177 sp -= align_up (len, 8);
1178 write_memory (sp, value, len);
1180 are typically not correct as they don't ensure that the address (SP
1181 or ADDR) is correctly aligned (relying on previous alignment to
1182 keep things right). This is also why the methods are called
1183 "align_..." instead of "round_..." as the latter reads better with
1184 this incorrect coding style. */
1186 extern ULONGEST
align_up (ULONGEST v
, int n
);
1187 extern ULONGEST
align_down (ULONGEST v
, int n
);
1189 /* Allocation and deallocation functions for the libiberty hash table
1190 which use obstacks. */
1191 void *hashtab_obstack_allocate (void *data
, size_t size
, size_t count
);
1192 void dummy_obstack_deallocate (void *object
, void *data
);
1194 #endif /* #ifndef DEFS_H */