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 /* If non-NULL, the possibly relocated path to python's "lib" directory
161 specified with --with-python. */
162 extern char *python_libdir
;
164 /* Search path for separate debug files. */
165 extern char *debug_file_directory
;
167 extern int quit_flag
;
168 extern int immediate_quit
;
169 extern int sevenbit_strings
;
171 extern void quit (void);
173 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
174 benefits of having a ``QUIT'' macro rather than a function are
175 marginal. If the overhead of a QUIT function call is proving
176 significant then its calling frequency should probably be reduced
177 [kingdon]. A profile analyzing the current situtation is
181 if (quit_flag) quit (); \
182 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
185 /* Languages represented in the symbol table and elsewhere.
186 This should probably be in language.h, but since enum's can't
187 be forward declared to satisfy opaque references before their
188 actual definition, needs to be here. */
192 language_unknown
, /* Language not known */
193 language_auto
, /* Placeholder for automatic setting */
195 language_cplus
, /* C++ */
197 language_objc
, /* Objective-C */
198 language_java
, /* Java */
199 language_fortran
, /* Fortran */
200 language_m2
, /* Modula-2 */
201 language_asm
, /* Assembly language */
202 language_pascal
, /* Pascal */
203 language_ada
, /* Ada */
204 language_scm
, /* Guile Scheme */
205 language_minimal
, /* All other languages, minimal support only */
213 unspecified_precision
216 /* A generic, not quite boolean, enumeration. */
224 /* Potential ways that a function can return a value of a given type. */
225 enum return_value_convention
227 /* Where the return value has been squeezed into one or more
229 RETURN_VALUE_REGISTER_CONVENTION
,
230 /* Commonly known as the "struct return convention". The caller
231 passes an additional hidden first parameter to the caller. That
232 parameter contains the address at which the value being returned
233 should be stored. While typically, and historically, used for
234 large structs, this is convention is applied to values of many
236 RETURN_VALUE_STRUCT_CONVENTION
,
237 /* Like the "struct return convention" above, but where the ABI
238 guarantees that the called function stores the address at which
239 the value being returned is stored in a well-defined location,
240 such as a register or memory slot in the stack frame. Don't use
241 this if the ABI doesn't explicitly guarantees this. */
242 RETURN_VALUE_ABI_RETURNS_ADDRESS
,
243 /* Like the "struct return convention" above, but where the ABI
244 guarantees that the address at which the value being returned is
245 stored will be available in a well-defined location, such as a
246 register or memory slot in the stack frame. Don't use this if
247 the ABI doesn't explicitly guarantees this. */
248 RETURN_VALUE_ABI_PRESERVES_ADDRESS
,
251 /* the cleanup list records things that have to be undone
252 if an error happens (descriptors to be closed, memory to be freed, etc.)
253 Each link in the chain records a function to call and an
256 Use make_cleanup to add an element to the cleanup chain.
257 Use do_cleanups to do all cleanup actions back to a given
258 point in the chain. Use discard_cleanups to remove cleanups
259 from the chain back to a given point, not doing them.
261 If the argument is pointer to allocated memory, then you need to
262 to additionally set the 'free_arg' member to a function that will
263 free that memory. This function will be called both when the cleanup
264 is executed and when it's discarded. */
268 struct cleanup
*next
;
269 void (*function
) (void *);
270 void (*free_arg
) (void *);
274 /* Be conservative and use enum bitfields only with GCC.
275 This is copied from gcc 3.3.1, system.h. */
277 #if defined(__GNUC__) && (__GNUC__ >= 2)
278 #define ENUM_BITFIELD(TYPE) enum TYPE
280 #define ENUM_BITFIELD(TYPE) unsigned int
283 /* vec.h-style vectors of strings want a typedef for char * . */
285 typedef char * char_ptr
;
287 /* Needed for various prototypes */
296 extern void initialize_utils (void);
298 extern void notice_quit (void);
300 extern int strcmp_iw (const char *, const char *);
302 extern int strcmp_iw_ordered (const char *, const char *);
304 extern int streq (const char *, const char *);
306 extern int subset_compare (char *, char *);
308 extern char *safe_strerror (int);
310 #define ALL_CLEANUPS ((struct cleanup *)0)
312 extern void do_cleanups (struct cleanup
*);
313 extern void do_final_cleanups (struct cleanup
*);
315 extern void discard_cleanups (struct cleanup
*);
316 extern void discard_final_cleanups (struct cleanup
*);
317 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
319 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
320 make_cleanup function declarations below. Do not use this typedef
321 as a cast when passing functions into the make_cleanup() code.
322 Instead either use a bounce function or add a wrapper function.
323 Calling a f(char*) function with f(void*) is non-portable. */
324 typedef void (make_cleanup_ftype
) (void *);
326 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
328 extern struct cleanup
*make_cleanup_dtor (make_cleanup_ftype
*, void *,
329 void (*dtor
) (void *));
331 extern struct cleanup
*make_cleanup_freeargv (char **);
334 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
336 struct section_addr_info
;
337 extern struct cleanup
*(make_cleanup_free_section_addr_info
338 (struct section_addr_info
*));
340 extern struct cleanup
*make_cleanup_close (int fd
);
342 extern struct cleanup
*make_cleanup_fclose (FILE *file
);
344 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
347 extern struct cleanup
*make_cleanup_obstack_free (struct obstack
*obstack
);
349 extern struct cleanup
*make_cleanup_restore_integer (int *variable
);
351 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
353 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
354 make_cleanup_ftype
*, void *);
356 extern struct cleanup
*make_my_cleanup2 (struct cleanup
**,
357 make_cleanup_ftype
*, void *,
358 void (*free_arg
) (void *));
360 extern struct cleanup
*save_cleanups (void);
361 extern struct cleanup
*save_final_cleanups (void);
362 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
364 extern void restore_cleanups (struct cleanup
*);
365 extern void restore_final_cleanups (struct cleanup
*);
366 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
368 extern void free_current_contents (void *);
370 extern void null_cleanup (void *);
372 extern int myread (int, char *, int);
374 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
375 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
376 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
378 extern void init_page_info (void);
380 extern char *gdb_realpath (const char *);
381 extern char *xfullpath (const char *);
383 extern unsigned long gnu_debuglink_crc32 (unsigned long crc
,
384 unsigned char *buf
, size_t len
);
386 ULONGEST
strtoulst (const char *num
, const char **trailer
, int base
);
388 char *ldirname (const char *filename
);
390 char **gdb_buildargv (const char *);
392 int compare_positive_ints (const void *ap
, const void *bp
);
394 /* A wrapper for bfd_errmsg to produce a more helpful error message
395 in the case of bfd_error_file_ambiguously recognized.
396 MATCHING, if non-NULL, is the corresponding argument to
397 bfd_check_format_matches, and will be freed. */
399 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag
, char **matching
);
401 extern int parse_pid_to_attach (char *args
);
403 /* From demangle.c */
405 extern void set_demangling_style (char *);
408 /* Annotation stuff. */
410 extern int annotation_level
; /* in stack.c */
412 extern void begin_line (void);
414 extern void wrap_here (char *);
416 extern void reinitialize_more_filter (void);
419 extern struct ui_file
*gdb_stdout
;
421 extern struct ui_file
*gdb_stdin
;
422 /* Serious error notifications */
423 extern struct ui_file
*gdb_stderr
;
424 /* Log/debug/trace messages that should bypass normal stdout/stderr
425 filtering. For moment, always call this stream using
426 *_unfiltered. In the very near future that restriction shall be
427 removed - either call shall be unfiltered. (cagney 1999-06-13). */
428 extern struct ui_file
*gdb_stdlog
;
429 /* Target output that should bypass normal stdout/stderr filtering.
430 For moment, always call this stream using *_unfiltered. In the
431 very near future that restriction shall be removed - either call
432 shall be unfiltered. (cagney 1999-07-02). */
433 extern struct ui_file
*gdb_stdtarg
;
434 extern struct ui_file
*gdb_stdtargerr
;
435 extern struct ui_file
*gdb_stdtargin
;
439 /* More generic printf like operations. Filtered versions may return
440 non-locally on error. */
442 extern void fputs_filtered (const char *, struct ui_file
*);
444 extern void fputs_unfiltered (const char *, struct ui_file
*);
446 extern int fputc_filtered (int c
, struct ui_file
*);
448 extern int fputc_unfiltered (int c
, struct ui_file
*);
450 extern int putchar_filtered (int c
);
452 extern int putchar_unfiltered (int c
);
454 extern void puts_filtered (const char *);
456 extern void puts_unfiltered (const char *);
458 extern void puts_filtered_tabular (char *string
, int width
, int right
);
460 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
462 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
464 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTRIBUTE_PRINTF (2, 0);
466 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
468 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTRIBUTE_PRINTF (3, 4);
470 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
472 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
474 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
476 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTRIBUTE_PRINTF (2, 0);
478 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
480 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
482 extern void print_spaces (int, struct ui_file
*);
484 extern void print_spaces_filtered (int, struct ui_file
*);
486 extern char *n_spaces (int);
488 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
490 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
492 extern void fputstrn_filtered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
494 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
496 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
497 extern void gdb_print_host_address (const void *addr
, struct ui_file
*stream
);
499 extern const char *host_address_to_string (const void *addr
);
501 /* Convert CORE_ADDR to string in platform-specific manner.
502 This is usually formatted similar to 0x%lx. */
503 extern const char *paddress (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
506 extern char *plongest (LONGEST l
);
507 /* %u for ULONGEST */
508 extern char *pulongest (ULONGEST l
);
510 extern char *phex (ULONGEST l
, int sizeof_l
);
511 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
512 extern char *int_string (LONGEST
, int, int, int, int);
514 /* Convert a CORE_ADDR into a HEX string with leading zeros.
515 The output from core_addr_to_string() can be passed direct to
516 string_to_core_addr(). */
517 extern const char *core_addr_to_string (const CORE_ADDR addr
);
518 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
519 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
521 /* Return a string that contains a number formatted as a hex
523 extern char *hex_string (LONGEST
);
524 extern char *hex_string_custom (LONGEST
, int);
526 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
529 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN
;
531 extern void print_sys_errmsg (const char *, int);
533 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
534 "const char *" in unistd.h, so we can't declare the argument
537 extern char *re_comp (const char *);
541 extern void symbol_file_command (char *, int);
543 /* Remote targets may wish to use this as their load function. */
544 extern void generic_load (char *name
, int from_tty
);
546 /* Report on STREAM the performance of memory transfer operation,
548 DATA_COUNT is the number of bytes transferred.
549 WRITE_COUNT is the number of separate write operations, or 0,
550 if that information is not available.
551 START_TIME is the time at which an operation was started.
552 END_TIME is the time at which an operation ended. */
554 extern void print_transfer_performance (struct ui_file
*stream
,
555 unsigned long data_count
,
556 unsigned long write_count
,
557 const struct timeval
*start_time
,
558 const struct timeval
*end_time
);
562 typedef void initialize_file_ftype (void);
564 extern char *skip_quoted (char *);
566 extern char *gdb_readline (char *);
568 extern char *gdb_readline_wrapper (char *);
570 extern char *command_line_input (char *, int, char *);
572 extern void print_prompt (void);
574 extern int input_from_terminal_p (void);
576 extern int info_verbose
;
578 /* From printcmd.c */
580 extern void set_next_address (struct gdbarch
*, CORE_ADDR
);
582 extern void print_address_symbolic (struct gdbarch
*, CORE_ADDR
,
583 struct ui_file
*, int, char *);
585 extern int build_address_symbolic (struct gdbarch
*,
594 extern void print_address (struct gdbarch
*, CORE_ADDR
, struct ui_file
*);
595 extern const char *pc_prefix (CORE_ADDR
);
599 #define OPF_TRY_CWD_FIRST 0x01
600 #define OPF_SEARCH_IN_PATH 0x02
602 extern int openp (const char *, int, const char *, int, char **);
604 extern int source_full_path_of (const char *, char **);
606 extern void mod_path (char *, char **);
608 extern void add_path (char *, char **, int);
610 extern void directory_command (char *, int);
612 extern void directory_switch (char *, int);
614 extern char *source_path
;
616 extern void init_source_path (void);
620 /* Take over the 'find_mapped_memory' vector from exec.c. */
621 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR
,
627 /* Possible lvalue types. Like enum language, this should be in
628 value.h, but needs to be here for the same reason. */
636 /* In a register. Registers are relative to a frame. */
638 /* In a gdb internal variable. */
640 /* Part of a gdb internal variable (structure field). */
641 lval_internalvar_component
,
642 /* Value's bits are fetched and stored using functions provided by
647 /* Control types for commands */
649 enum misc_command_type
657 enum command_control_type
666 while_stepping_control
,
670 /* Structure for saved commands lines
671 (for breakpoints, defined commands, etc). */
675 struct command_line
*next
;
677 enum command_control_type control_type
;
678 /* The number of elements in body_list. */
680 /* For composite commands, the nested lists of
681 commands. For example, for "if" command this
682 will contain the then branch and the else
683 branch, if that is available. */
684 struct command_line
**body_list
;
687 extern struct command_line
*read_command_lines (char *, int, int,
688 void (*)(char *, void *),
690 extern struct command_line
*read_command_lines_1 (char * (*) (void), int,
691 void (*)(char *, void *),
694 extern void free_command_lines (struct command_line
**);
696 /* To continue the execution commands when running gdb asynchronously.
697 A continuation structure contains a pointer to a function to be called
698 to finish the command, once the target has stopped. Such mechanism is
699 used by the finish and until commands, and in the remote protocol
700 when opening an extended-remote connection. */
708 /* Thread specific continuations. */
710 extern void add_continuation (struct thread_info
*,
711 void (*)(void *), void *,
713 extern void do_all_continuations (void);
714 extern void do_all_continuations_thread (struct thread_info
*);
715 extern void discard_all_continuations (void);
716 extern void discard_all_continuations_thread (struct thread_info
*);
718 extern void add_intermediate_continuation (struct thread_info
*,
719 void (*)(void *), void *,
721 extern void do_all_intermediate_continuations (void);
722 extern void do_all_intermediate_continuations_thread (struct thread_info
*);
723 extern void discard_all_intermediate_continuations (void);
724 extern void discard_all_intermediate_continuations_thread (struct thread_info
*);
726 /* Inferior specific (any thread) continuations. */
728 extern void add_inferior_continuation (void (*) (void *),
731 extern void do_all_inferior_continuations (void);
732 extern void discard_all_inferior_continuations (struct inferior
*inf
);
734 /* String containing the current directory (what getwd would return). */
736 extern char *current_directory
;
738 /* Default radixes for input and output. Only some values supported. */
739 extern unsigned input_radix
;
740 extern unsigned output_radix
;
742 /* Possibilities for prettyprint parameters to routines which print
743 things. Like enum language, this should be in value.h, but needs
744 to be here for the same reason. FIXME: If we can eliminate this
745 as an arg to LA_VAL_PRINT, then we can probably move it back to
750 Val_no_prettyprint
= 0,
752 /* Use the default setting which the user has specified. */
756 /* The ptid struct is a collection of the various "ids" necessary
757 for identifying the inferior. This consists of the process id
758 (pid), thread id (tid), and other fields necessary for uniquely
759 identifying the inferior process/thread being debugged. When
760 manipulating ptids, the constructors, accessors, and predicate
761 declared in inferior.h should be used. These are as follows:
763 ptid_build - Make a new ptid from a pid, lwp, and tid.
764 pid_to_ptid - Make a new ptid from just a pid.
765 ptid_get_pid - Fetch the pid component of a ptid.
766 ptid_get_lwp - Fetch the lwp component of a ptid.
767 ptid_get_tid - Fetch the tid component of a ptid.
768 ptid_equal - Test to see if two ptids are equal.
769 ptid_is_pid - Test to see if this ptid represents a process id.
771 Please do NOT access the struct ptid members directly (except, of
772 course, in the implementation of the above ptid manipulation
780 /* Lightweight process id */
787 typedef struct ptid ptid_t
;
791 /* Optional native machine support. Non-native (and possibly pure
792 multi-arch) targets do not need a "nm.h" file. This will be a
793 symlink to one of the nm-*.h files, built by the `configure'
800 /* Assume that fopen accepts the letter "b" in the mode string.
801 It is demanded by ISO C9X, and should be supported on all
802 platforms that claim to have a standard-conforming C library. On
803 true POSIX systems it will be ignored and have no effect. There
804 may still be systems without a standard-conforming C library where
805 an ISO C9X compiler (GCC) is available. Known examples are SunOS
806 4.x and 4.3BSD. This assumption means these systems are no longer
809 # include "fopen-bin.h"
812 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
813 FIXME: Assumes 2's complement arithmetic */
815 #if !defined (UINT_MAX)
816 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
819 #if !defined (INT_MAX)
820 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
823 #if !defined (INT_MIN)
824 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
827 #if !defined (ULONG_MAX)
828 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
831 #if !defined (LONG_MAX)
832 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
835 #if !defined (ULONGEST_MAX)
836 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
839 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
840 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
843 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
844 arguments to a function, number in a value history, register number, etc.)
845 where the value must not be larger than can fit in an int. */
847 extern int longest_to_int (LONGEST
);
849 /* Assorted functions we can declare, now that const and volatile are
852 extern char *savestring (const char *, size_t);
854 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
856 extern void xfree (void *);
858 /* Like xmalloc, but zero the memory. */
859 extern void *xzalloc (size_t);
861 /* Utility macros to allocate typed memory. Avoids errors like:
862 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
863 sizeof (struct foo), 0). */
864 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
865 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
866 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
868 /* Like asprintf/vasprintf but get an internal_error if the call
870 extern void xasprintf (char **ret
, const char *format
, ...) ATTRIBUTE_PRINTF (2, 3);
871 extern void xvasprintf (char **ret
, const char *format
, va_list ap
)
872 ATTRIBUTE_PRINTF (2, 0);
874 /* Like asprintf and vasprintf, but return the string, throw an error
876 extern char *xstrprintf (const char *format
, ...) ATTRIBUTE_PRINTF (1, 2);
877 extern char *xstrvprintf (const char *format
, va_list ap
)
878 ATTRIBUTE_PRINTF (1, 0);
880 /* Like snprintf, but throw an error if the output buffer is too small. */
881 extern int xsnprintf (char *str
, size_t size
, const char *format
, ...)
882 ATTRIBUTE_PRINTF (3, 4);
884 extern int parse_escape (struct gdbarch
*, char **);
886 /* Message to be printed before the error message, when an error occurs. */
888 extern char *error_pre_print
;
890 /* Message to be printed before the error message, when an error occurs. */
892 extern char *quit_pre_print
;
894 /* Message to be printed before the warning message, when a warning occurs. */
896 extern char *warning_pre_print
;
898 extern void verror (const char *fmt
, va_list ap
)
899 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
901 extern void error (const char *fmt
, ...)
902 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
904 extern void error_stream (struct ui_file
*) ATTRIBUTE_NORETURN
;
906 extern void vfatal (const char *fmt
, va_list ap
)
907 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
909 extern void fatal (const char *fmt
, ...)
910 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
912 extern void internal_verror (const char *file
, int line
, const char *,
914 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (3, 0);
916 extern void internal_error (const char *file
, int line
, const char *, ...)
917 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (3, 4);
919 extern void internal_vwarning (const char *file
, int line
,
920 const char *, va_list ap
)
921 ATTRIBUTE_PRINTF (3, 0);
923 extern void internal_warning (const char *file
, int line
,
924 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
926 extern void nomem (long) ATTRIBUTE_NORETURN
;
928 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
930 extern void vwarning (const char *, va_list args
) ATTRIBUTE_PRINTF (1, 0);
932 /* List of known OS ABIs. If you change this, make sure to update the
936 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
938 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
945 GDB_OSABI_FREEBSD_AOUT
,
946 GDB_OSABI_FREEBSD_ELF
,
947 GDB_OSABI_NETBSD_AOUT
,
948 GDB_OSABI_NETBSD_ELF
,
949 GDB_OSABI_OPENBSD_ELF
,
963 GDB_OSABI_INVALID
/* keep this last */
966 /* Global functions from other, non-gdb GNU thingies.
967 Libiberty thingies are no longer declared here. We include libiberty.h
970 /* From other system libraries */
980 #define min(a, b) ((a) < (b) ? (a) : (b))
983 #define max(a, b) ((a) > (b) ? (a) : (b))
988 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
991 /* Various possibilities for alloca. */
994 #define alloca __builtin_alloca
995 #else /* Not GNU C */
1003 /* We need to be careful not to declare this in a way which conflicts with
1004 bison. Bison never declares it as char *, but under various circumstances
1005 (like __hpux) we need to use void *. */
1006 extern void *alloca ();
1007 #endif /* Not _AIX */
1008 #endif /* Not HAVE_ALLOCA_H */
1009 #endif /* Not GNU C */
1010 #endif /* alloca not defined */
1012 /* Dynamic target-system-dependent parameters for GDB. */
1013 #include "gdbarch.h"
1015 /* Maximum size of a register. Something small, but large enough for
1016 all known ISAs. If it turns out to be too small, make it bigger. */
1018 enum { MAX_REGISTER_SIZE
= 32 };
1020 /* Static target-system-dependent parameters for GDB. */
1022 /* Number of bits in a char or unsigned char for the target machine.
1023 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1024 #if !defined (TARGET_CHAR_BIT)
1025 #define TARGET_CHAR_BIT 8
1028 /* If we picked up a copy of CHAR_BIT from a configuration file
1029 (which may get it by including <limits.h>) then use it to set
1030 the number of bits in a host char. If not, use the same size
1033 #if defined (CHAR_BIT)
1034 #define HOST_CHAR_BIT CHAR_BIT
1036 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1041 extern LONGEST
extract_signed_integer (const gdb_byte
*, int,
1044 extern ULONGEST
extract_unsigned_integer (const gdb_byte
*, int,
1047 extern int extract_long_unsigned_integer (const gdb_byte
*, int,
1048 enum bfd_endian
, LONGEST
*);
1050 extern CORE_ADDR
extract_typed_address (const gdb_byte
*buf
,
1053 extern void store_signed_integer (gdb_byte
*, int,
1054 enum bfd_endian
, LONGEST
);
1056 extern void store_unsigned_integer (gdb_byte
*, int,
1057 enum bfd_endian
, ULONGEST
);
1059 extern void store_typed_address (gdb_byte
*buf
, struct type
*type
,
1065 extern int watchdog
;
1067 /* Hooks for alternate command interfaces. */
1069 /* The name of the interpreter if specified on the command line. */
1070 extern char *interpreter_p
;
1072 /* If a given interpreter matches INTERPRETER_P then it should update
1073 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1074 per-interpreter implementation. */
1075 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1076 should be moved here. */
1078 struct target_waitstatus
;
1079 struct cmd_list_element
;
1081 extern void (*deprecated_pre_add_symbol_hook
) (const char *);
1082 extern void (*deprecated_post_add_symbol_hook
) (void);
1083 extern void (*selected_frame_level_changed_hook
) (int);
1084 extern int (*deprecated_ui_loop_hook
) (int signo
);
1085 extern void (*deprecated_init_ui_hook
) (char *argv0
);
1086 extern void (*deprecated_command_loop_hook
) (void);
1087 extern void (*deprecated_show_load_progress
) (const char *section
,
1088 unsigned long section_sent
,
1089 unsigned long section_size
,
1090 unsigned long total_sent
,
1091 unsigned long total_size
);
1092 extern void (*deprecated_print_frame_info_listing_hook
) (struct symtab
* s
,
1093 int line
, int stopline
,
1095 extern int (*deprecated_query_hook
) (const char *, va_list)
1096 ATTRIBUTE_FPTR_PRINTF(1,0);
1097 extern void (*deprecated_warning_hook
) (const char *, va_list)
1098 ATTRIBUTE_FPTR_PRINTF(1,0);
1099 extern void (*deprecated_flush_hook
) (struct ui_file
* stream
);
1100 extern void (*deprecated_interactive_hook
) (void);
1101 extern void (*deprecated_readline_begin_hook
) (char *, ...)
1102 ATTRIBUTE_FPTR_PRINTF_1
;
1103 extern char *(*deprecated_readline_hook
) (char *);
1104 extern void (*deprecated_readline_end_hook
) (void);
1105 extern void (*deprecated_register_changed_hook
) (int regno
);
1106 extern void (*deprecated_context_hook
) (int);
1107 extern ptid_t (*deprecated_target_wait_hook
) (ptid_t ptid
,
1108 struct target_waitstatus
*status
,
1111 extern void (*deprecated_attach_hook
) (void);
1112 extern void (*deprecated_detach_hook
) (void);
1113 extern void (*deprecated_call_command_hook
) (struct cmd_list_element
* c
,
1114 char *cmd
, int from_tty
);
1116 extern void (*deprecated_set_hook
) (struct cmd_list_element
* c
);
1118 extern void (*deprecated_error_begin_hook
) (void);
1120 extern int (*deprecated_ui_load_progress_hook
) (const char *section
,
1124 /* Inhibit window interface if non-zero. */
1126 extern int use_windows
;
1128 /* Definitions of filename-related things. */
1130 /* Host specific things. */
1134 # define GLOBAL_CURDIR
1135 # define DIRNAME_SEPARATOR ';'
1138 #if !defined (__CYGWIN__) && defined (_WIN32)
1139 # define DIRNAME_SEPARATOR ';'
1142 #ifndef DIRNAME_SEPARATOR
1143 #define DIRNAME_SEPARATOR ':'
1146 #ifndef SLASH_STRING
1147 #define SLASH_STRING "/"
1150 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1151 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1152 in the code actually refer to a lightweight process id, i.e,
1153 something that can be considered a process id in its own right for
1154 certain purposes. */
1157 #define PIDGET(PTID) (ptid_get_pid (PTID))
1158 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1159 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1162 /* Define well known filenos if the system does not define them. */
1163 #ifndef STDIN_FILENO
1164 #define STDIN_FILENO 0
1166 #ifndef STDOUT_FILENO
1167 #define STDOUT_FILENO 1
1169 #ifndef STDERR_FILENO
1170 #define STDERR_FILENO 2
1173 /* If this definition isn't overridden by the header files, assume
1174 that isatty and fileno exist on this system. */
1176 #define ISATTY(FP) (isatty (fileno (FP)))
1179 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1180 power of 2). Round up/down when necessary. Examples of correct
1183 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1184 write_memory (addr, value, len);
1189 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1190 write_memory (sp, value, len);
1192 Note that uses such as:
1194 write_memory (addr, value, len);
1195 addr += align_up (len, 8);
1199 sp -= align_up (len, 8);
1200 write_memory (sp, value, len);
1202 are typically not correct as they don't ensure that the address (SP
1203 or ADDR) is correctly aligned (relying on previous alignment to
1204 keep things right). This is also why the methods are called
1205 "align_..." instead of "round_..." as the latter reads better with
1206 this incorrect coding style. */
1208 extern ULONGEST
align_up (ULONGEST v
, int n
);
1209 extern ULONGEST
align_down (ULONGEST v
, int n
);
1211 /* Allocation and deallocation functions for the libiberty hash table
1212 which use obstacks. */
1213 void *hashtab_obstack_allocate (void *data
, size_t size
, size_t count
);
1214 void dummy_obstack_deallocate (void *object
, void *data
);
1216 /* From progspace.c */
1218 extern void initialize_progspace (void);
1219 extern void initialize_inferiors (void);
1221 #endif /* #ifndef DEFS_H */