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 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/>. */
26 #include "config.h" /* Generated by configure. */
28 #include <sys/types.h>
30 #include <errno.h> /* System call error return status. */
34 /* The libdecnumber library, on which GDB depends, includes a header file
35 called gstdint.h instead of relying directly on stdint.h. GDB, on the
36 other hand, includes stdint.h directly, relying on the fact that gnulib
37 generates a copy if the system doesn't provide one or if it is missing
38 some features. Unfortunately, gstdint.h and stdint.h cannot be included
39 at the same time, which may happen when we include a file from
42 The following macro definition effectively prevents the inclusion of
43 gstdint.h, as all the definitions it provides are guarded against
44 the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h
45 included, so it's ok to blank out gstdint.h. */
46 #define GCC_GENERATED_STDINT_H 1
58 /* First include ansidecl.h so we can use the various macro definitions
59 here and in all subsequent file inclusions. */
63 #include "gdb_locale.h"
65 #include "gdb_wchar.h"
67 /* For ``enum target_signal''. */
68 #include "gdb/signals.h"
70 /* Just in case they're not defined in stdio.h. */
79 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
80 It is used as an access modifier in calls to open(), where it acts
81 similarly to the "b" character in fopen()'s MODE argument. On Posix
82 platforms it should be a no-op, so it is defined as 0 here. This
83 ensures that the symbol may be used freely elsewhere in gdb. */
89 #include <stdarg.h> /* For va_list. */
91 #include "libiberty.h"
93 /* Rather than duplicate all the logic in BFD for figuring out what
94 types to use (which can be pretty complicated), symply define them
95 in terms of the corresponding type from BFD. */
99 /* A byte from the program being debugged. */
100 typedef bfd_byte gdb_byte
;
102 /* An address in the program being debugged. Host byte order. */
103 typedef bfd_vma CORE_ADDR
;
105 /* The largest CORE_ADDR value. */
106 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
108 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
114 #define LONGEST BFD_HOST_64_BIT
115 #define ULONGEST BFD_HOST_U_64_BIT
119 #ifdef CC_HAS_LONG_LONG
120 #define LONGEST long long
121 #define ULONGEST unsigned long long
123 #ifdef BFD_HOST_64_BIT
124 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
125 (e.g. i386-windows) so try it. */
126 #define LONGEST BFD_HOST_64_BIT
127 #define ULONGEST BFD_HOST_U_64_BIT
130 #define ULONGEST unsigned long
134 #endif /* No BFD64 */
136 #endif /* ! LONGEST */
139 #define min(a, b) ((a) < (b) ? (a) : (b))
142 #define max(a, b) ((a) > (b) ? (a) : (b))
145 /* Check if a character is one of the commonly used C++ marker characters. */
146 extern int is_cplus_marker (int);
148 /* enable xdb commands if set */
149 extern int xdb_commands
;
151 /* enable dbx commands if set */
152 extern int dbx_commands
;
154 /* System root path, used to find libraries etc. */
155 extern char *gdb_sysroot
;
157 /* GDB datadir, used to store data files. */
158 extern char *gdb_datadir
;
160 /* Search path for separate debug files. */
161 extern char *debug_file_directory
;
163 extern int quit_flag
;
164 extern int immediate_quit
;
165 extern int sevenbit_strings
;
167 extern void quit (void);
169 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
170 benefits of having a ``QUIT'' macro rather than a function are
171 marginal. If the overhead of a QUIT function call is proving
172 significant then its calling frequency should probably be reduced
173 [kingdon]. A profile analyzing the current situtation is
177 if (quit_flag) quit (); \
178 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
181 /* Languages represented in the symbol table and elsewhere.
182 This should probably be in language.h, but since enum's can't
183 be forward declared to satisfy opaque references before their
184 actual definition, needs to be here. */
188 language_unknown
, /* Language not known */
189 language_auto
, /* Placeholder for automatic setting */
191 language_cplus
, /* C++ */
193 language_objc
, /* Objective-C */
194 language_java
, /* Java */
195 language_fortran
, /* Fortran */
196 language_m2
, /* Modula-2 */
197 language_asm
, /* Assembly language */
198 language_pascal
, /* Pascal */
199 language_ada
, /* Ada */
200 language_scm
, /* Guile Scheme */
201 language_minimal
, /* All other languages, minimal support only */
209 unspecified_precision
212 /* A generic, not quite boolean, enumeration. */
220 /* Potential ways that a function can return a value of a given type. */
221 enum return_value_convention
223 /* Where the return value has been squeezed into one or more
225 RETURN_VALUE_REGISTER_CONVENTION
,
226 /* Commonly known as the "struct return convention". The caller
227 passes an additional hidden first parameter to the caller. That
228 parameter contains the address at which the value being returned
229 should be stored. While typically, and historically, used for
230 large structs, this is convention is applied to values of many
232 RETURN_VALUE_STRUCT_CONVENTION
,
233 /* Like the "struct return convention" above, but where the ABI
234 guarantees that the called function stores the address at which
235 the value being returned is stored in a well-defined location,
236 such as a register or memory slot in the stack frame. Don't use
237 this if the ABI doesn't explicitly guarantees this. */
238 RETURN_VALUE_ABI_RETURNS_ADDRESS
,
239 /* Like the "struct return convention" above, but where the ABI
240 guarantees that the address at which the value being returned is
241 stored will be available in a well-defined location, such as a
242 register or memory slot in the stack frame. Don't use this if
243 the ABI doesn't explicitly guarantees this. */
244 RETURN_VALUE_ABI_PRESERVES_ADDRESS
,
247 /* the cleanup list records things that have to be undone
248 if an error happens (descriptors to be closed, memory to be freed, etc.)
249 Each link in the chain records a function to call and an
252 Use make_cleanup to add an element to the cleanup chain.
253 Use do_cleanups to do all cleanup actions back to a given
254 point in the chain. Use discard_cleanups to remove cleanups
255 from the chain back to a given point, not doing them.
257 If the argument is pointer to allocated memory, then you need to
258 to additionally set the 'free_arg' member to a function that will
259 free that memory. This function will be called both when the cleanup
260 is executed and when it's discarded. */
264 struct cleanup
*next
;
265 void (*function
) (void *);
266 void (*free_arg
) (void *);
270 /* Be conservative and use enum bitfields only with GCC.
271 This is copied from gcc 3.3.1, system.h. */
273 #if defined(__GNUC__) && (__GNUC__ >= 2)
274 #define ENUM_BITFIELD(TYPE) enum TYPE
276 #define ENUM_BITFIELD(TYPE) unsigned int
279 /* vec.h-style vectors of strings want a typedef for char * . */
281 typedef char * char_ptr
;
283 /* Needed for various prototypes */
292 extern void initialize_utils (void);
294 extern void notice_quit (void);
296 extern int strcmp_iw (const char *, const char *);
298 extern int strcmp_iw_ordered (const char *, const char *);
300 extern int streq (const char *, const char *);
302 extern int subset_compare (char *, char *);
304 extern char *safe_strerror (int);
306 #define ALL_CLEANUPS ((struct cleanup *)0)
308 extern void do_cleanups (struct cleanup
*);
309 extern void do_final_cleanups (struct cleanup
*);
311 extern void discard_cleanups (struct cleanup
*);
312 extern void discard_final_cleanups (struct cleanup
*);
313 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
315 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
316 make_cleanup function declarations below. Do not use this typedef
317 as a cast when passing functions into the make_cleanup() code.
318 Instead either use a bounce function or add a wrapper function.
319 Calling a f(char*) function with f(void*) is non-portable. */
320 typedef void (make_cleanup_ftype
) (void *);
322 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
324 extern struct cleanup
*make_cleanup_dtor (make_cleanup_ftype
*, void *,
325 void (*dtor
) (void *));
327 extern struct cleanup
*make_cleanup_freeargv (char **);
330 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
332 struct section_addr_info
;
333 extern struct cleanup
*(make_cleanup_free_section_addr_info
334 (struct section_addr_info
*));
336 extern struct cleanup
*make_cleanup_close (int fd
);
338 extern struct cleanup
*make_cleanup_fclose (FILE *file
);
340 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
343 extern struct cleanup
*make_cleanup_obstack_free (struct obstack
*obstack
);
345 extern struct cleanup
*make_cleanup_restore_integer (int *variable
);
347 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
349 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
350 make_cleanup_ftype
*, void *);
352 extern struct cleanup
*make_my_cleanup2 (struct cleanup
**,
353 make_cleanup_ftype
*, void *,
354 void (*free_arg
) (void *));
356 extern struct cleanup
*save_cleanups (void);
357 extern struct cleanup
*save_final_cleanups (void);
358 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
360 extern void restore_cleanups (struct cleanup
*);
361 extern void restore_final_cleanups (struct cleanup
*);
362 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
364 extern void free_current_contents (void *);
366 extern void null_cleanup (void *);
368 extern int myread (int, char *, int);
370 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
371 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
372 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
374 extern void init_page_info (void);
376 extern char *gdb_realpath (const char *);
377 extern char *xfullpath (const char *);
379 extern unsigned long gnu_debuglink_crc32 (unsigned long crc
,
380 unsigned char *buf
, size_t len
);
382 ULONGEST
strtoulst (const char *num
, const char **trailer
, int base
);
384 char *ldirname (const char *filename
);
386 char **gdb_buildargv (const char *);
388 int compare_positive_ints (const void *ap
, const void *bp
);
390 /* A wrapper for bfd_errmsg to produce a more helpful error message
391 in the case of bfd_error_file_ambiguously recognized.
392 MATCHING, if non-NULL, is the corresponding argument to
393 bfd_check_format_matches, and will be freed. */
395 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag
, char **matching
);
397 extern int parse_pid_to_attach (char *args
);
399 /* From demangle.c */
401 extern void set_demangling_style (char *);
404 /* Annotation stuff. */
406 extern int annotation_level
; /* in stack.c */
408 extern void begin_line (void);
410 extern void wrap_here (char *);
412 extern void reinitialize_more_filter (void);
415 extern struct ui_file
*gdb_stdout
;
417 extern struct ui_file
*gdb_stdin
;
418 /* Serious error notifications */
419 extern struct ui_file
*gdb_stderr
;
420 /* Log/debug/trace messages that should bypass normal stdout/stderr
421 filtering. For moment, always call this stream using
422 *_unfiltered. In the very near future that restriction shall be
423 removed - either call shall be unfiltered. (cagney 1999-06-13). */
424 extern struct ui_file
*gdb_stdlog
;
425 /* Target output that should bypass normal stdout/stderr filtering.
426 For moment, always call this stream using *_unfiltered. In the
427 very near future that restriction shall be removed - either call
428 shall be unfiltered. (cagney 1999-07-02). */
429 extern struct ui_file
*gdb_stdtarg
;
430 extern struct ui_file
*gdb_stdtargerr
;
431 extern struct ui_file
*gdb_stdtargin
;
435 /* More generic printf like operations. Filtered versions may return
436 non-locally on error. */
438 extern void fputs_filtered (const char *, struct ui_file
*);
440 extern void fputs_unfiltered (const char *, struct ui_file
*);
442 extern int fputc_filtered (int c
, struct ui_file
*);
444 extern int fputc_unfiltered (int c
, struct ui_file
*);
446 extern int putchar_filtered (int c
);
448 extern int putchar_unfiltered (int c
);
450 extern void puts_filtered (const char *);
452 extern void puts_unfiltered (const char *);
454 extern void puts_filtered_tabular (char *string
, int width
, int right
);
456 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
458 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
460 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTRIBUTE_PRINTF (2, 0);
462 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
464 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTRIBUTE_PRINTF (3, 4);
466 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
468 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
470 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
472 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTRIBUTE_PRINTF (2, 0);
474 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
476 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
478 extern void print_spaces (int, struct ui_file
*);
480 extern void print_spaces_filtered (int, struct ui_file
*);
482 extern char *n_spaces (int);
484 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
486 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
488 extern void fputstrn_filtered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
490 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
492 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
493 extern void gdb_print_host_address (const void *addr
, struct ui_file
*stream
);
495 extern const char *host_address_to_string (const void *addr
);
497 /* Convert CORE_ADDR to string in platform-specific manner.
498 This is usually formatted similar to 0x%lx. */
499 extern const char *paddress (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
502 extern char *plongest (LONGEST l
);
503 /* %u for ULONGEST */
504 extern char *pulongest (ULONGEST l
);
506 extern char *phex (ULONGEST l
, int sizeof_l
);
507 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
508 extern char *int_string (LONGEST
, int, int, int, int);
510 /* Convert a CORE_ADDR into a HEX string with leading zeros.
511 The output from core_addr_to_string() can be passed direct to
512 string_to_core_addr(). */
513 extern const char *core_addr_to_string (const CORE_ADDR addr
);
514 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
515 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
517 /* Return a string that contains a number formatted as a hex
519 extern char *hex_string (LONGEST
);
520 extern char *hex_string_custom (LONGEST
, int);
522 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
525 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN
;
527 extern void print_sys_errmsg (const char *, int);
529 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
530 "const char *" in unistd.h, so we can't declare the argument
533 extern char *re_comp (const char *);
537 extern void symbol_file_command (char *, int);
539 /* Remote targets may wish to use this as their load function. */
540 extern void generic_load (char *name
, int from_tty
);
542 /* Report on STREAM the performance of memory transfer operation,
544 DATA_COUNT is the number of bytes transferred.
545 WRITE_COUNT is the number of separate write operations, or 0,
546 if that information is not available.
547 START_TIME is the time at which an operation was started.
548 END_TIME is the time at which an operation ended. */
550 extern void print_transfer_performance (struct ui_file
*stream
,
551 unsigned long data_count
,
552 unsigned long write_count
,
553 const struct timeval
*start_time
,
554 const struct timeval
*end_time
);
558 typedef void initialize_file_ftype (void);
560 extern char *skip_quoted (char *);
562 extern char *gdb_readline (char *);
564 extern char *gdb_readline_wrapper (char *);
566 extern char *command_line_input (char *, int, char *);
568 extern void print_prompt (void);
570 extern int input_from_terminal_p (void);
572 extern int info_verbose
;
574 /* From printcmd.c */
576 extern void set_next_address (struct gdbarch
*, CORE_ADDR
);
578 extern void print_address_symbolic (struct gdbarch
*, CORE_ADDR
,
579 struct ui_file
*, int, char *);
581 extern int build_address_symbolic (struct gdbarch
*,
590 extern void print_address (struct gdbarch
*, CORE_ADDR
, struct ui_file
*);
591 extern const char *pc_prefix (CORE_ADDR
);
595 #define OPF_TRY_CWD_FIRST 0x01
596 #define OPF_SEARCH_IN_PATH 0x02
598 extern int openp (const char *, int, const char *, int, char **);
600 extern int source_full_path_of (const char *, char **);
602 extern void mod_path (char *, char **);
604 extern void add_path (char *, char **, int);
606 extern void directory_command (char *, int);
608 extern void directory_switch (char *, int);
610 extern char *source_path
;
612 extern void init_source_path (void);
616 /* Take over the 'find_mapped_memory' vector from exec.c. */
617 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR
,
623 /* Possible lvalue types. Like enum language, this should be in
624 value.h, but needs to be here for the same reason. */
632 /* In a register. Registers are relative to a frame. */
634 /* In a gdb internal variable. */
636 /* Part of a gdb internal variable (structure field). */
637 lval_internalvar_component
,
638 /* Value's bits are fetched and stored using functions provided by
643 /* Control types for commands */
645 enum misc_command_type
653 enum command_control_type
662 while_stepping_control
,
666 /* Structure for saved commands lines
667 (for breakpoints, defined commands, etc). */
671 struct command_line
*next
;
673 enum command_control_type control_type
;
674 /* The number of elements in body_list. */
676 /* For composite commands, the nested lists of
677 commands. For example, for "if" command this
678 will contain the then branch and the else
679 branch, if that is available. */
680 struct command_line
**body_list
;
683 extern struct command_line
*read_command_lines (char *, int, int,
684 void (*)(char *, void *),
686 extern struct command_line
*read_command_lines_1 (char * (*) (void), int,
687 void (*)(char *, void *),
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. */
704 /* Thread specific continuations. */
706 extern void add_continuation (struct thread_info
*,
707 void (*)(void *), void *,
709 extern void do_all_continuations (void);
710 extern void do_all_continuations_thread (struct thread_info
*);
711 extern void discard_all_continuations (void);
712 extern void discard_all_continuations_thread (struct thread_info
*);
714 extern void add_intermediate_continuation (struct thread_info
*,
715 void (*)(void *), void *,
717 extern void do_all_intermediate_continuations (void);
718 extern void do_all_intermediate_continuations_thread (struct thread_info
*);
719 extern void discard_all_intermediate_continuations (void);
720 extern void discard_all_intermediate_continuations_thread (struct thread_info
*);
722 /* Inferior specific (any thread) continuations. */
724 extern void add_inferior_continuation (void (*) (void *),
727 extern void do_all_inferior_continuations (void);
728 extern void discard_all_inferior_continuations (struct inferior
*inf
);
730 /* String containing the current directory (what getwd would return). */
732 extern char *current_directory
;
734 /* Default radixes for input and output. Only some values supported. */
735 extern unsigned input_radix
;
736 extern unsigned output_radix
;
738 /* Possibilities for prettyprint parameters to routines which print
739 things. Like enum language, this should be in value.h, but needs
740 to be here for the same reason. FIXME: If we can eliminate this
741 as an arg to LA_VAL_PRINT, then we can probably move it back to
746 Val_no_prettyprint
= 0,
748 /* Use the default setting which the user has specified. */
752 /* The ptid struct is a collection of the various "ids" necessary
753 for identifying the inferior. This consists of the process id
754 (pid), thread id (tid), and other fields necessary for uniquely
755 identifying the inferior process/thread being debugged. When
756 manipulating ptids, the constructors, accessors, and predicate
757 declared in inferior.h should be used. These are as follows:
759 ptid_build - Make a new ptid from a pid, lwp, and tid.
760 pid_to_ptid - Make a new ptid from just a pid.
761 ptid_get_pid - Fetch the pid component of a ptid.
762 ptid_get_lwp - Fetch the lwp component of a ptid.
763 ptid_get_tid - Fetch the tid component of a ptid.
764 ptid_equal - Test to see if two ptids are equal.
765 ptid_is_pid - Test to see if this ptid represents a process id.
767 Please do NOT access the struct ptid members directly (except, of
768 course, in the implementation of the above ptid manipulation
776 /* Lightweight process id */
783 typedef struct ptid ptid_t
;
787 /* Optional native machine support. Non-native (and possibly pure
788 multi-arch) targets do not need a "nm.h" file. This will be a
789 symlink to one of the nm-*.h files, built by the `configure'
796 /* Assume that fopen accepts the letter "b" in the mode string.
797 It is demanded by ISO C9X, and should be supported on all
798 platforms that claim to have a standard-conforming C library. On
799 true POSIX systems it will be ignored and have no effect. There
800 may still be systems without a standard-conforming C library where
801 an ISO C9X compiler (GCC) is available. Known examples are SunOS
802 4.x and 4.3BSD. This assumption means these systems are no longer
805 # include "fopen-bin.h"
808 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
809 FIXME: Assumes 2's complement arithmetic */
811 #if !defined (UINT_MAX)
812 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
815 #if !defined (INT_MAX)
816 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
819 #if !defined (INT_MIN)
820 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
823 #if !defined (ULONG_MAX)
824 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
827 #if !defined (LONG_MAX)
828 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
831 #if !defined (ULONGEST_MAX)
832 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
835 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
836 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
839 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
840 arguments to a function, number in a value history, register number, etc.)
841 where the value must not be larger than can fit in an int. */
843 extern int longest_to_int (LONGEST
);
845 /* Assorted functions we can declare, now that const and volatile are
848 extern char *savestring (const char *, size_t);
850 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
852 extern void xfree (void *);
854 /* Like xmalloc, but zero the memory. */
855 extern void *xzalloc (size_t);
857 /* Utility macros to allocate typed memory. Avoids errors like:
858 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
859 sizeof (struct foo), 0). */
860 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
861 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
862 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
864 /* Like asprintf/vasprintf but get an internal_error if the call
866 extern void xasprintf (char **ret
, const char *format
, ...) ATTRIBUTE_PRINTF (2, 3);
867 extern void xvasprintf (char **ret
, const char *format
, va_list ap
)
868 ATTRIBUTE_PRINTF (2, 0);
870 /* Like asprintf and vasprintf, but return the string, throw an error
872 extern char *xstrprintf (const char *format
, ...) ATTRIBUTE_PRINTF (1, 2);
873 extern char *xstrvprintf (const char *format
, va_list ap
)
874 ATTRIBUTE_PRINTF (1, 0);
876 /* Like snprintf, but throw an error if the output buffer is too small. */
877 extern int xsnprintf (char *str
, size_t size
, const char *format
, ...)
878 ATTRIBUTE_PRINTF (3, 4);
880 extern int parse_escape (struct gdbarch
*, char **);
882 /* Message to be printed before the error message, when an error occurs. */
884 extern char *error_pre_print
;
886 /* Message to be printed before the error message, when an error occurs. */
888 extern char *quit_pre_print
;
890 /* Message to be printed before the warning message, when a warning occurs. */
892 extern char *warning_pre_print
;
894 extern void verror (const char *fmt
, va_list ap
)
895 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
897 extern void error (const char *fmt
, ...)
898 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
900 extern void error_stream (struct ui_file
*) ATTRIBUTE_NORETURN
;
902 extern void vfatal (const char *fmt
, va_list ap
)
903 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
905 extern void fatal (const char *fmt
, ...)
906 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
908 extern void internal_verror (const char *file
, int line
, const char *,
910 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (3, 0);
912 extern void internal_error (const char *file
, int line
, const char *, ...)
913 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (3, 4);
915 extern void internal_vwarning (const char *file
, int line
,
916 const char *, va_list ap
)
917 ATTRIBUTE_PRINTF (3, 0);
919 extern void internal_warning (const char *file
, int line
,
920 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
922 extern void nomem (long) ATTRIBUTE_NORETURN
;
924 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
926 extern void vwarning (const char *, va_list args
) ATTRIBUTE_PRINTF (1, 0);
928 /* List of known OS ABIs. If you change this, make sure to update the
932 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
934 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
941 GDB_OSABI_FREEBSD_AOUT
,
942 GDB_OSABI_FREEBSD_ELF
,
943 GDB_OSABI_NETBSD_AOUT
,
944 GDB_OSABI_NETBSD_ELF
,
945 GDB_OSABI_OPENBSD_ELF
,
959 GDB_OSABI_INVALID
/* keep this last */
962 /* Global functions from other, non-gdb GNU thingies.
963 Libiberty thingies are no longer declared here. We include libiberty.h
966 /* From other system libraries */
976 #define min(a, b) ((a) < (b) ? (a) : (b))
979 #define max(a, b) ((a) > (b) ? (a) : (b))
984 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
987 /* Various possibilities for alloca. */
990 #define alloca __builtin_alloca
991 #else /* Not GNU C */
999 /* We need to be careful not to declare this in a way which conflicts with
1000 bison. Bison never declares it as char *, but under various circumstances
1001 (like __hpux) we need to use void *. */
1002 extern void *alloca ();
1003 #endif /* Not _AIX */
1004 #endif /* Not HAVE_ALLOCA_H */
1005 #endif /* Not GNU C */
1006 #endif /* alloca not defined */
1008 /* Dynamic target-system-dependent parameters for GDB. */
1009 #include "gdbarch.h"
1011 /* Maximum size of a register. Something small, but large enough for
1012 all known ISAs. If it turns out to be too small, make it bigger. */
1014 enum { MAX_REGISTER_SIZE
= 32 };
1016 /* Static target-system-dependent parameters for GDB. */
1018 /* Number of bits in a char or unsigned char for the target machine.
1019 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1020 #if !defined (TARGET_CHAR_BIT)
1021 #define TARGET_CHAR_BIT 8
1024 /* If we picked up a copy of CHAR_BIT from a configuration file
1025 (which may get it by including <limits.h>) then use it to set
1026 the number of bits in a host char. If not, use the same size
1029 #if defined (CHAR_BIT)
1030 #define HOST_CHAR_BIT CHAR_BIT
1032 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1037 extern LONGEST
extract_signed_integer (const gdb_byte
*, int,
1040 extern ULONGEST
extract_unsigned_integer (const gdb_byte
*, int,
1043 extern int extract_long_unsigned_integer (const gdb_byte
*, int,
1044 enum bfd_endian
, LONGEST
*);
1046 extern CORE_ADDR
extract_typed_address (const gdb_byte
*buf
,
1049 extern void store_signed_integer (gdb_byte
*, int,
1050 enum bfd_endian
, LONGEST
);
1052 extern void store_unsigned_integer (gdb_byte
*, int,
1053 enum bfd_endian
, ULONGEST
);
1055 extern void store_typed_address (gdb_byte
*buf
, struct type
*type
,
1061 extern int watchdog
;
1063 /* Hooks for alternate command interfaces. */
1065 /* The name of the interpreter if specified on the command line. */
1066 extern char *interpreter_p
;
1068 /* If a given interpreter matches INTERPRETER_P then it should update
1069 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1070 per-interpreter implementation. */
1071 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1072 should be moved here. */
1074 struct target_waitstatus
;
1075 struct cmd_list_element
;
1077 extern void (*deprecated_pre_add_symbol_hook
) (const char *);
1078 extern void (*deprecated_post_add_symbol_hook
) (void);
1079 extern void (*selected_frame_level_changed_hook
) (int);
1080 extern int (*deprecated_ui_loop_hook
) (int signo
);
1081 extern void (*deprecated_init_ui_hook
) (char *argv0
);
1082 extern void (*deprecated_command_loop_hook
) (void);
1083 extern void (*deprecated_show_load_progress
) (const char *section
,
1084 unsigned long section_sent
,
1085 unsigned long section_size
,
1086 unsigned long total_sent
,
1087 unsigned long total_size
);
1088 extern void (*deprecated_print_frame_info_listing_hook
) (struct symtab
* s
,
1089 int line
, int stopline
,
1091 extern int (*deprecated_query_hook
) (const char *, va_list)
1092 ATTRIBUTE_FPTR_PRINTF(1,0);
1093 extern void (*deprecated_warning_hook
) (const char *, va_list)
1094 ATTRIBUTE_FPTR_PRINTF(1,0);
1095 extern void (*deprecated_flush_hook
) (struct ui_file
* stream
);
1096 extern void (*deprecated_interactive_hook
) (void);
1097 extern void (*deprecated_readline_begin_hook
) (char *, ...)
1098 ATTRIBUTE_FPTR_PRINTF_1
;
1099 extern char *(*deprecated_readline_hook
) (char *);
1100 extern void (*deprecated_readline_end_hook
) (void);
1101 extern void (*deprecated_register_changed_hook
) (int regno
);
1102 extern void (*deprecated_context_hook
) (int);
1103 extern ptid_t (*deprecated_target_wait_hook
) (ptid_t ptid
,
1104 struct target_waitstatus
*status
,
1107 extern void (*deprecated_attach_hook
) (void);
1108 extern void (*deprecated_detach_hook
) (void);
1109 extern void (*deprecated_call_command_hook
) (struct cmd_list_element
* c
,
1110 char *cmd
, int from_tty
);
1112 extern void (*deprecated_set_hook
) (struct cmd_list_element
* c
);
1114 extern void (*deprecated_error_begin_hook
) (void);
1116 extern int (*deprecated_ui_load_progress_hook
) (const char *section
,
1120 /* Inhibit window interface if non-zero. */
1122 extern int use_windows
;
1124 /* Definitions of filename-related things. */
1126 /* Host specific things. */
1130 # define GLOBAL_CURDIR
1131 # define DIRNAME_SEPARATOR ';'
1134 #if !defined (__CYGWIN__) && defined (_WIN32)
1135 # define DIRNAME_SEPARATOR ';'
1138 #ifndef DIRNAME_SEPARATOR
1139 #define DIRNAME_SEPARATOR ':'
1142 #ifndef SLASH_STRING
1143 #define SLASH_STRING "/"
1146 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1147 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1148 in the code actually refer to a lightweight process id, i.e,
1149 something that can be considered a process id in its own right for
1150 certain purposes. */
1153 #define PIDGET(PTID) (ptid_get_pid (PTID))
1154 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1155 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1158 /* Define well known filenos if the system does not define them. */
1159 #ifndef STDIN_FILENO
1160 #define STDIN_FILENO 0
1162 #ifndef STDOUT_FILENO
1163 #define STDOUT_FILENO 1
1165 #ifndef STDERR_FILENO
1166 #define STDERR_FILENO 2
1169 /* If this definition isn't overridden by the header files, assume
1170 that isatty and fileno exist on this system. */
1172 #define ISATTY(FP) (isatty (fileno (FP)))
1175 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1176 power of 2). Round up/down when necessary. Examples of correct
1179 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1180 write_memory (addr, value, len);
1185 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1186 write_memory (sp, value, len);
1188 Note that uses such as:
1190 write_memory (addr, value, len);
1191 addr += align_up (len, 8);
1195 sp -= align_up (len, 8);
1196 write_memory (sp, value, len);
1198 are typically not correct as they don't ensure that the address (SP
1199 or ADDR) is correctly aligned (relying on previous alignment to
1200 keep things right). This is also why the methods are called
1201 "align_..." instead of "round_..." as the latter reads better with
1202 this incorrect coding style. */
1204 extern ULONGEST
align_up (ULONGEST v
, int n
);
1205 extern ULONGEST
align_down (ULONGEST v
, int n
);
1207 /* Allocation and deallocation functions for the libiberty hash table
1208 which use obstacks. */
1209 void *hashtab_obstack_allocate (void *data
, size_t size
, size_t count
);
1210 void dummy_obstack_deallocate (void *object
, void *data
);
1212 /* From progspace.c */
1214 extern void initialize_progspace (void);
1215 extern void initialize_inferiors (void);
1217 #endif /* #ifndef DEFS_H */