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. */
42 /* First include ansidecl.h so we can use the various macro definitions
43 here and in all subsequent file inclusions. */
47 #include "gdb_locale.h"
49 /* For ``enum target_signal''. */
50 #include "gdb/signals.h"
52 /* Just in case they're not defined in stdio.h. */
61 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
62 It is used as an access modifier in calls to open(), where it acts
63 similarly to the "b" character in fopen()'s MODE argument. On Posix
64 platforms it should be a no-op, so it is defined as 0 here. This
65 ensures that the symbol may be used freely elsewhere in gdb. */
71 #include <stdarg.h> /* For va_list. */
73 #include "libiberty.h"
75 /* Rather than duplicate all the logic in BFD for figuring out what
76 types to use (which can be pretty complicated), symply define them
77 in terms of the corresponding type from BFD. */
81 /* A byte from the program being debugged. */
82 typedef bfd_byte gdb_byte
;
84 /* An address in the program being debugged. Host byte order. */
85 typedef bfd_vma CORE_ADDR
;
87 /* The largest CORE_ADDR value. */
88 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
90 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
96 #define LONGEST BFD_HOST_64_BIT
97 #define ULONGEST BFD_HOST_U_64_BIT
101 #ifdef CC_HAS_LONG_LONG
102 #define LONGEST long long
103 #define ULONGEST unsigned long long
105 #ifdef BFD_HOST_64_BIT
106 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
107 (e.g. i386-windows) so try it. */
108 #define LONGEST BFD_HOST_64_BIT
109 #define ULONGEST BFD_HOST_U_64_BIT
112 #define ULONGEST unsigned long
116 #endif /* No BFD64 */
118 #endif /* ! LONGEST */
121 #define min(a, b) ((a) < (b) ? (a) : (b))
124 #define max(a, b) ((a) > (b) ? (a) : (b))
127 /* Check if a character is one of the commonly used C++ marker characters. */
128 extern int is_cplus_marker (int);
130 /* enable xdb commands if set */
131 extern int xdb_commands
;
133 /* enable dbx commands if set */
134 extern int dbx_commands
;
136 /* System root path, used to find libraries etc. */
137 extern char *gdb_sysroot
;
139 /* Search path for separate debug files. */
140 extern char *debug_file_directory
;
142 extern int quit_flag
;
143 extern int immediate_quit
;
144 extern int sevenbit_strings
;
146 extern void quit (void);
148 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
149 benefits of having a ``QUIT'' macro rather than a function are
150 marginal. If the overhead of a QUIT function call is proving
151 significant then its calling frequency should probably be reduced
152 [kingdon]. A profile analyzing the current situtation is
156 /* do twice to force compiler warning */
157 #define QUIT_FIXME "FIXME"
158 #define QUIT_FIXME "ignoring redefinition of QUIT"
161 if (quit_flag) quit (); \
162 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
166 /* Languages represented in the symbol table and elsewhere.
167 This should probably be in language.h, but since enum's can't
168 be forward declared to satisfy opaque references before their
169 actual definition, needs to be here. */
173 language_unknown
, /* Language not known */
174 language_auto
, /* Placeholder for automatic setting */
176 language_cplus
, /* C++ */
177 language_objc
, /* Objective-C */
178 language_java
, /* Java */
179 language_fortran
, /* Fortran */
180 language_m2
, /* Modula-2 */
181 language_asm
, /* Assembly language */
182 language_pascal
, /* Pascal */
183 language_ada
, /* Ada */
184 language_scm
, /* Guile Scheme */
185 language_minimal
, /* All other languages, minimal support only */
193 unspecified_precision
196 /* A generic, not quite boolean, enumeration. */
204 /* Potential ways that a function can return a value of a given type. */
205 enum return_value_convention
207 /* Where the return value has been squeezed into one or more
209 RETURN_VALUE_REGISTER_CONVENTION
,
210 /* Commonly known as the "struct return convention". The caller
211 passes an additional hidden first parameter to the caller. That
212 parameter contains the address at which the value being returned
213 should be stored. While typically, and historically, used for
214 large structs, this is convention is applied to values of many
216 RETURN_VALUE_STRUCT_CONVENTION
,
217 /* Like the "struct return convention" above, but where the ABI
218 guarantees that the called function stores the address at which
219 the value being returned is stored in a well-defined location,
220 such as a register or memory slot in the stack frame. Don't use
221 this if the ABI doesn't explicitly guarantees this. */
222 RETURN_VALUE_ABI_RETURNS_ADDRESS
,
223 /* Like the "struct return convention" above, but where the ABI
224 guarantees that the address at which the value being returned is
225 stored will be available in a well-defined location, such as a
226 register or memory slot in the stack frame. Don't use this if
227 the ABI doesn't explicitly guarantees this. */
228 RETURN_VALUE_ABI_PRESERVES_ADDRESS
,
231 /* the cleanup list records things that have to be undone
232 if an error happens (descriptors to be closed, memory to be freed, etc.)
233 Each link in the chain records a function to call and an
236 Use make_cleanup to add an element to the cleanup chain.
237 Use do_cleanups to do all cleanup actions back to a given
238 point in the chain. Use discard_cleanups to remove cleanups
239 from the chain back to a given point, not doing them. */
243 struct cleanup
*next
;
244 void (*function
) (void *);
249 /* The ability to declare that a function never returns is useful, but
250 not really required to compile GDB successfully, so the NORETURN and
251 ATTR_NORETURN macros normally expand into nothing. */
253 /* If compiling with older versions of GCC, a function may be declared
254 "volatile" to indicate that it does not return. */
257 #if defined(__GNUC__) \
258 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
259 #define NORETURN volatile
261 #define NORETURN /* nothing */
265 /* GCC 2.5 and later versions define a function attribute "noreturn",
266 which is the preferred way to declare that a function never returns.
267 However GCC 2.7 appears to be the first version in which this fully
268 works everywhere we use it. */
270 #ifndef ATTR_NORETURN
271 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
272 #define ATTR_NORETURN __attribute__ ((noreturn))
274 #define ATTR_NORETURN /* nothing */
279 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
280 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
282 #define ATTR_FORMAT(type, x, y) /* nothing */
286 /* Be conservative and use enum bitfields only with GCC.
287 This is copied from gcc 3.3.1, system.h. */
289 #if defined(__GNUC__) && (__GNUC__ >= 2)
290 #define ENUM_BITFIELD(TYPE) enum TYPE
292 #define ENUM_BITFIELD(TYPE) unsigned int
295 /* Needed for various prototypes */
303 extern void initialize_utils (void);
305 extern void notice_quit (void);
307 extern int strcmp_iw (const char *, const char *);
309 extern int strcmp_iw_ordered (const char *, const char *);
311 extern int streq (const char *, const char *);
313 extern int subset_compare (char *, char *);
315 extern char *safe_strerror (int);
317 #define ALL_CLEANUPS ((struct cleanup *)0)
319 extern void do_cleanups (struct cleanup
*);
320 extern void do_final_cleanups (struct cleanup
*);
321 extern void do_exec_cleanups (struct cleanup
*);
323 extern void discard_cleanups (struct cleanup
*);
324 extern void discard_final_cleanups (struct cleanup
*);
325 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
327 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
328 make_cleanup function declarations below. Do not use this typedef
329 as a cast when passing functions into the make_cleanup() code.
330 Instead either use a bounce function or add a wrapper function.
331 Calling a f(char*) function with f(void*) is non-portable. */
332 typedef void (make_cleanup_ftype
) (void *);
334 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
336 extern struct cleanup
*make_cleanup_freeargv (char **);
339 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
341 struct section_addr_info
;
342 extern struct cleanup
*(make_cleanup_free_section_addr_info
343 (struct section_addr_info
*));
345 extern struct cleanup
*make_cleanup_close (int fd
);
347 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
349 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
351 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
352 make_cleanup_ftype
*, void *);
354 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, 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 *, ...) ATTR_FORMAT (printf
, 1, 2);
371 extern int nquery (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
372 extern int yquery (const char *, ...) ATTR_FORMAT (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 /* From demangle.c */
388 extern void set_demangling_style (char *);
391 /* Annotation stuff. */
393 extern int annotation_level
; /* in stack.c */
395 extern void begin_line (void);
397 extern void wrap_here (char *);
399 extern void reinitialize_more_filter (void);
402 extern struct ui_file
*gdb_stdout
;
404 extern struct ui_file
*gdb_stdin
;
405 /* Serious error notifications */
406 extern struct ui_file
*gdb_stderr
;
407 /* Log/debug/trace messages that should bypass normal stdout/stderr
408 filtering. For moment, always call this stream using
409 *_unfiltered. In the very near future that restriction shall be
410 removed - either call shall be unfiltered. (cagney 1999-06-13). */
411 extern struct ui_file
*gdb_stdlog
;
412 /* Target output that should bypass normal stdout/stderr filtering.
413 For moment, always call this stream using *_unfiltered. In the
414 very near future that restriction shall be removed - either call
415 shall be unfiltered. (cagney 1999-07-02). */
416 extern struct ui_file
*gdb_stdtarg
;
417 extern struct ui_file
*gdb_stdtargerr
;
418 extern struct ui_file
*gdb_stdtargin
;
422 /* More generic printf like operations. Filtered versions may return
423 non-locally on error. */
425 extern void fputs_filtered (const char *, struct ui_file
*);
427 extern void fputs_unfiltered (const char *, struct ui_file
*);
429 extern int fputc_filtered (int c
, struct ui_file
*);
431 extern int fputc_unfiltered (int c
, struct ui_file
*);
433 extern int putchar_filtered (int c
);
435 extern int putchar_unfiltered (int c
);
437 extern void puts_filtered (const char *);
439 extern void puts_unfiltered (const char *);
441 extern void puts_filtered_tabular (char *string
, int width
, int right
);
443 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
445 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
447 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
449 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
451 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
453 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
455 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
457 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
459 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
461 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
463 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
465 extern void print_spaces (int, struct ui_file
*);
467 extern void print_spaces_filtered (int, struct ui_file
*);
469 extern char *n_spaces (int);
471 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
473 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
475 extern void fputstrn_filtered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
477 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
479 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
480 extern void gdb_print_host_address (const void *addr
, struct ui_file
*stream
);
482 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
483 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
485 extern int strlen_paddr (void);
486 extern char *paddr (CORE_ADDR addr
);
487 extern char *paddr_nz (CORE_ADDR addr
);
488 extern char *paddr_u (CORE_ADDR addr
);
489 extern char *paddr_d (LONGEST addr
);
491 /* Like 0x%lx, replaces deprecated_print_address_numeric. */
492 extern const char *paddress (CORE_ADDR addr
);
494 extern char *phex (ULONGEST l
, int sizeof_l
);
495 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
496 extern char *int_string (LONGEST
, int, int, int, int);
498 /* Like paddr() only print/scan raw CORE_ADDR. The output from
499 core_addr_to_string() can be passed direct to
500 string_to_core_addr(). */
501 extern const char *core_addr_to_string (const CORE_ADDR addr
);
502 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
503 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
505 /* Return a string that contains a number formatted as a hex
507 extern char *hex_string (LONGEST
);
508 extern char *hex_string_custom (LONGEST
, int);
510 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
513 extern NORETURN
void perror_with_name (const char *) ATTR_NORETURN
;
515 extern void print_sys_errmsg (const char *, int);
517 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
518 "const char *" in unistd.h, so we can't declare the argument
521 extern char *re_comp (const char *);
525 extern void symbol_file_command (char *, int);
527 /* Remote targets may wish to use this as their load function. */
528 extern void generic_load (char *name
, int from_tty
);
530 /* Report on STREAM the performance of memory transfer operation,
532 DATA_COUNT is the number of bytes transferred.
533 WRITE_COUNT is the number of separate write operations, or 0,
534 if that information is not available.
535 START_TIME is the time at which an operation was started.
536 END_TIME is the time at which an operation ended. */
538 extern void print_transfer_performance (struct ui_file
*stream
,
539 unsigned long data_count
,
540 unsigned long write_count
,
541 const struct timeval
*start_time
,
542 const struct timeval
*end_time
);
546 typedef void initialize_file_ftype (void);
548 extern char *skip_quoted (char *);
550 extern char *gdb_readline (char *);
552 extern char *gdb_readline_wrapper (char *);
554 extern char *command_line_input (char *, int, char *);
556 extern void print_prompt (void);
558 extern int input_from_terminal_p (void);
560 extern int info_verbose
;
562 /* From printcmd.c */
564 extern void set_next_address (CORE_ADDR
);
566 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
569 extern int build_address_symbolic (CORE_ADDR addr
,
577 extern void deprecated_print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
579 extern void print_address (CORE_ADDR
, struct ui_file
*);
583 #define OPF_TRY_CWD_FIRST 0x01
584 #define OPF_SEARCH_IN_PATH 0x02
586 extern int openp (const char *, int, const char *, int, int, char **);
588 extern int source_full_path_of (char *, char **);
590 extern void mod_path (char *, char **);
592 extern void add_path (char *, char **, int);
594 extern void directory_command (char *, int);
596 extern void directory_switch (char *, int);
598 extern char *source_path
;
600 extern void init_source_path (void);
602 extern void init_last_source_visited (void);
606 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
607 bfd_signed_vma data_off
,
608 bfd_signed_vma bss_off
);
610 /* Take over the 'find_mapped_memory' vector from exec.c. */
611 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR
,
617 /* Possible lvalue types. Like enum language, this should be in
618 value.h, but needs to be here for the same reason. */
626 /* In a register. Registers are relative to a frame. */
628 /* In a gdb internal variable. */
630 /* Part of a gdb internal variable (structure field). */
631 lval_internalvar_component
634 /* Control types for commands */
636 enum misc_command_type
644 enum command_control_type
655 /* Structure for saved commands lines
656 (for breakpoints, defined commands, etc). */
660 struct command_line
*next
;
662 enum command_control_type control_type
;
664 struct command_line
**body_list
;
667 extern struct command_line
*read_command_lines (char *, int);
669 extern void free_command_lines (struct command_line
**);
671 /* To continue the execution commands when running gdb asynchronously.
672 A continuation structure contains a pointer to a function to be called
673 to finish the command, once the target has stopped. Such mechanism is
674 used by the finish and until commands, and in the remote protocol
675 when opening an extended-remote connection. */
677 struct continuation_arg
679 struct continuation_arg
*next
;
680 union continuation_data
{
689 void (*continuation_hook
) (struct continuation_arg
*);
690 struct continuation_arg
*arg_list
;
691 struct continuation
*next
;
695 extern struct continuation
*cmd_continuation
;
696 /* Used only by the step_1 function. */
697 extern struct continuation
*intermediate_continuation
;
700 extern void add_continuation (void (*)(struct continuation_arg
*),
701 struct continuation_arg
*);
702 extern void do_all_continuations (void);
703 extern void discard_all_continuations (void);
705 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
706 struct continuation_arg
*);
707 extern void do_all_intermediate_continuations (void);
708 extern void discard_all_intermediate_continuations (void);
710 /* String containing the current directory (what getwd would return). */
712 extern char *current_directory
;
714 /* Default radixes for input and output. Only some values supported. */
715 extern unsigned input_radix
;
716 extern unsigned output_radix
;
718 /* Possibilities for prettyprint parameters to routines which print
719 things. Like enum language, this should be in value.h, but needs
720 to be here for the same reason. FIXME: If we can eliminate this
721 as an arg to LA_VAL_PRINT, then we can probably move it back to
726 Val_no_prettyprint
= 0,
728 /* Use the default setting which the user has specified. */
732 /* The ptid struct is a collection of the various "ids" necessary
733 for identifying the inferior. This consists of the process id
734 (pid), thread id (tid), and other fields necessary for uniquely
735 identifying the inferior process/thread being debugged. When
736 manipulating ptids, the constructors, accessors, and predicate
737 declared in inferior.h should be used. These are as follows:
739 ptid_build - Make a new ptid from a pid, lwp, and tid.
740 pid_to_ptid - Make a new ptid from just a pid.
741 ptid_get_pid - Fetch the pid component of a ptid.
742 ptid_get_lwp - Fetch the lwp component of a ptid.
743 ptid_get_tid - Fetch the tid component of a ptid.
744 ptid_equal - Test to see if two ptids are equal.
746 Please do NOT access the struct ptid members directly (except, of
747 course, in the implementation of the above ptid manipulation
755 /* Lightweight process id */
762 typedef struct ptid ptid_t
;
766 /* Optional native machine support. Non-native (and possibly pure
767 multi-arch) targets do not need a "nm.h" file. This will be a
768 symlink to one of the nm-*.h files, built by the `configure'
775 /* Assume that fopen accepts the letter "b" in the mode string.
776 It is demanded by ISO C9X, and should be supported on all
777 platforms that claim to have a standard-conforming C library. On
778 true POSIX systems it will be ignored and have no effect. There
779 may still be systems without a standard-conforming C library where
780 an ISO C9X compiler (GCC) is available. Known examples are SunOS
781 4.x and 4.3BSD. This assumption means these systems are no longer
784 # include "fopen-bin.h"
787 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
788 FIXME: Assumes 2's complement arithmetic */
790 #if !defined (UINT_MAX)
791 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
794 #if !defined (INT_MAX)
795 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
798 #if !defined (INT_MIN)
799 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
802 #if !defined (ULONG_MAX)
803 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
806 #if !defined (LONG_MAX)
807 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
810 #if !defined (ULONGEST_MAX)
811 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
814 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
815 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
818 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
819 arguments to a function, number in a value history, register number, etc.)
820 where the value must not be larger than can fit in an int. */
822 extern int longest_to_int (LONGEST
);
824 /* Assorted functions we can declare, now that const and volatile are
827 extern char *savestring (const char *, size_t);
829 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
831 extern void xfree (void *);
833 /* Like xmalloc, but zero the memory. */
834 extern void *xzalloc (size_t);
836 /* Utility macros to allocate typed memory. Avoids errors like:
837 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
838 sizeof (struct foo), 0). */
839 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
840 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
841 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
843 /* Like asprintf/vasprintf but get an internal_error if the call
845 extern void xasprintf (char **ret
, const char *format
, ...) ATTR_FORMAT (printf
, 2, 3);
846 extern void xvasprintf (char **ret
, const char *format
, va_list ap
)
847 ATTR_FORMAT (printf
, 2, 0);
849 /* Like asprintf and vasprintf, but return the string, throw an error
851 extern char *xstrprintf (const char *format
, ...) ATTR_FORMAT (printf
, 1, 2);
852 extern char *xstrvprintf (const char *format
, va_list ap
)
853 ATTR_FORMAT (printf
, 1, 0);
855 /* Like snprintf, but throw an error if the output buffer is too small. */
856 extern int xsnprintf (char *str
, size_t size
, const char *format
, ...)
857 ATTR_FORMAT (printf
, 3, 4);
859 extern int parse_escape (char **);
861 /* Message to be printed before the error message, when an error occurs. */
863 extern char *error_pre_print
;
865 /* Message to be printed before the error message, when an error occurs. */
867 extern char *quit_pre_print
;
869 /* Message to be printed before the warning message, when a warning occurs. */
871 extern char *warning_pre_print
;
873 extern NORETURN
void verror (const char *fmt
, va_list ap
)
874 ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 0);
876 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
878 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
880 extern NORETURN
void vfatal (const char *fmt
, va_list ap
)
881 ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 0);
883 extern NORETURN
void fatal (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
885 extern NORETURN
void internal_verror (const char *file
, int line
,
886 const char *, va_list ap
)
887 ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 0);
889 extern NORETURN
void internal_error (const char *file
, int line
,
890 const char *, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 4);
892 extern void internal_vwarning (const char *file
, int line
,
893 const char *, va_list ap
)
894 ATTR_FORMAT (printf
, 3, 0);
896 extern void internal_warning (const char *file
, int line
,
897 const char *, ...) ATTR_FORMAT (printf
, 3, 4);
899 extern NORETURN
void nomem (long) ATTR_NORETURN
;
901 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
903 extern void vwarning (const char *, va_list args
) ATTR_FORMAT (printf
, 1, 0);
905 /* List of known OS ABIs. If you change this, make sure to update the
909 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
911 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
918 GDB_OSABI_FREEBSD_AOUT
,
919 GDB_OSABI_FREEBSD_ELF
,
920 GDB_OSABI_NETBSD_AOUT
,
921 GDB_OSABI_NETBSD_ELF
,
922 GDB_OSABI_OPENBSD_ELF
,
935 GDB_OSABI_INVALID
/* keep this last */
938 /* Global functions from other, non-gdb GNU thingies.
939 Libiberty thingies are no longer declared here. We include libiberty.h
942 /* From other system libraries */
952 #define min(a, b) ((a) < (b) ? (a) : (b))
955 #define max(a, b) ((a) > (b) ? (a) : (b))
960 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
963 /* Various possibilities for alloca. */
966 #define alloca __builtin_alloca
967 #else /* Not GNU C */
975 /* We need to be careful not to declare this in a way which conflicts with
976 bison. Bison never declares it as char *, but under various circumstances
977 (like __hpux) we need to use void *. */
978 extern void *alloca ();
979 #endif /* Not _AIX */
980 #endif /* Not HAVE_ALLOCA_H */
981 #endif /* Not GNU C */
982 #endif /* alloca not defined */
984 /* Dynamic target-system-dependent parameters for GDB. */
987 /* Maximum size of a register. Something small, but large enough for
988 all known ISAs. If it turns out to be too small, make it bigger. */
990 enum { MAX_REGISTER_SIZE
= 16 };
992 /* Static target-system-dependent parameters for GDB. */
994 /* Number of bits in a char or unsigned char for the target machine.
995 Just like CHAR_BIT in <limits.h> but describes the target machine. */
996 #if !defined (TARGET_CHAR_BIT)
997 #define TARGET_CHAR_BIT 8
1000 /* If we picked up a copy of CHAR_BIT from a configuration file
1001 (which may get it by including <limits.h>) then use it to set
1002 the number of bits in a host char. If not, use the same size
1005 #if defined (CHAR_BIT)
1006 #define HOST_CHAR_BIT CHAR_BIT
1008 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1013 extern LONGEST
extract_signed_integer (const gdb_byte
*, int);
1015 extern ULONGEST
extract_unsigned_integer (const gdb_byte
*, int);
1017 extern int extract_long_unsigned_integer (const gdb_byte
*, int, LONGEST
*);
1019 extern CORE_ADDR
extract_typed_address (const gdb_byte
*buf
,
1022 extern void store_signed_integer (gdb_byte
*, int, LONGEST
);
1024 extern void store_unsigned_integer (gdb_byte
*, int, ULONGEST
);
1026 extern void store_typed_address (gdb_byte
*buf
, struct type
*type
,
1032 extern int watchdog
;
1034 /* Hooks for alternate command interfaces. */
1036 /* The name of the interpreter if specified on the command line. */
1037 extern char *interpreter_p
;
1039 /* If a given interpreter matches INTERPRETER_P then it should update
1040 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1041 per-interpreter implementation. */
1042 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1043 should be moved here. */
1045 struct target_waitstatus
;
1046 struct cmd_list_element
;
1048 extern void (*deprecated_pre_add_symbol_hook
) (const char *);
1049 extern void (*deprecated_post_add_symbol_hook
) (void);
1050 extern void (*selected_frame_level_changed_hook
) (int);
1051 extern int (*deprecated_ui_loop_hook
) (int signo
);
1052 extern void (*deprecated_init_ui_hook
) (char *argv0
);
1053 extern void (*deprecated_command_loop_hook
) (void);
1054 extern void (*deprecated_show_load_progress
) (const char *section
,
1055 unsigned long section_sent
,
1056 unsigned long section_size
,
1057 unsigned long total_sent
,
1058 unsigned long total_size
);
1059 extern void (*deprecated_print_frame_info_listing_hook
) (struct symtab
* s
,
1060 int line
, int stopline
,
1062 extern int (*deprecated_query_hook
) (const char *, va_list)
1063 ATTRIBUTE_FPTR_PRINTF(1,0);
1064 extern void (*deprecated_warning_hook
) (const char *, va_list)
1065 ATTRIBUTE_FPTR_PRINTF(1,0);
1066 extern void (*deprecated_flush_hook
) (struct ui_file
* stream
);
1067 extern void (*deprecated_create_breakpoint_hook
) (struct breakpoint
* b
);
1068 extern void (*deprecated_delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1069 extern void (*deprecated_modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1070 extern void (*deprecated_interactive_hook
) (void);
1071 extern void (*deprecated_readline_begin_hook
) (char *, ...)
1072 ATTRIBUTE_FPTR_PRINTF_1
;
1073 extern char *(*deprecated_readline_hook
) (char *);
1074 extern void (*deprecated_readline_end_hook
) (void);
1075 extern void (*deprecated_register_changed_hook
) (int regno
);
1076 extern void (*deprecated_memory_changed_hook
) (CORE_ADDR addr
, int len
);
1077 extern void (*deprecated_context_hook
) (int);
1078 extern ptid_t (*deprecated_target_wait_hook
) (ptid_t ptid
,
1079 struct target_waitstatus
* status
);
1081 extern void (*deprecated_attach_hook
) (void);
1082 extern void (*deprecated_detach_hook
) (void);
1083 extern void (*deprecated_call_command_hook
) (struct cmd_list_element
* c
,
1084 char *cmd
, int from_tty
);
1086 extern void (*deprecated_set_hook
) (struct cmd_list_element
* c
);
1088 extern void (*deprecated_error_hook
) (void);
1090 extern void (*deprecated_error_begin_hook
) (void);
1092 extern int (*deprecated_ui_load_progress_hook
) (const char *section
,
1096 /* Inhibit window interface if non-zero. */
1098 extern int use_windows
;
1100 /* Symbolic definitions of filename-related things. */
1101 /* FIXME, this doesn't work very well if host and executable
1102 filesystems conventions are different. */
1106 # define GLOBAL_CURDIR
1107 # define DIRNAME_SEPARATOR ';'
1110 #if !defined (__CYGWIN__) && defined (_WIN32)
1111 # define DIRNAME_SEPARATOR ';'
1114 #ifndef DIRNAME_SEPARATOR
1115 #define DIRNAME_SEPARATOR ':'
1118 #ifndef SLASH_STRING
1119 #define SLASH_STRING "/"
1122 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1123 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1124 in the code actually refer to a lightweight process id, i.e,
1125 something that can be considered a process id in its own right for
1126 certain purposes. */
1129 #define PIDGET(PTID) (ptid_get_pid (PTID))
1130 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1131 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1134 /* Define well known filenos if the system does not define them. */
1135 #ifndef STDIN_FILENO
1136 #define STDIN_FILENO 0
1138 #ifndef STDOUT_FILENO
1139 #define STDOUT_FILENO 1
1141 #ifndef STDERR_FILENO
1142 #define STDERR_FILENO 2
1145 /* If this definition isn't overridden by the header files, assume
1146 that isatty and fileno exist on this system. */
1148 #define ISATTY(FP) (isatty (fileno (FP)))
1151 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1152 power of 2). Round up/down when necessary. Examples of correct
1155 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1156 write_memory (addr, value, len);
1161 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1162 write_memory (sp, value, len);
1164 Note that uses such as:
1166 write_memory (addr, value, len);
1167 addr += align_up (len, 8);
1171 sp -= align_up (len, 8);
1172 write_memory (sp, value, len);
1174 are typically not correct as they don't ensure that the address (SP
1175 or ADDR) is correctly aligned (relying on previous alignment to
1176 keep things right). This is also why the methods are called
1177 "align_..." instead of "round_..." as the latter reads better with
1178 this incorrect coding style. */
1180 extern ULONGEST
align_up (ULONGEST v
, int n
);
1181 extern ULONGEST
align_down (ULONGEST v
, int n
);
1183 /* Allocation and deallocation functions for the libiberty hash table
1184 which use obstacks. */
1185 void *hashtab_obstack_allocate (void *data
, size_t size
, size_t count
);
1186 void dummy_obstack_deallocate (void *object
, void *data
);
1188 #endif /* #ifndef DEFS_H */