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, 2009,
5 2010 Free Software Foundation, Inc.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 #include "config.h" /* Generated by configure. */
27 #include <sys/types.h>
29 #include <errno.h> /* System call error return status. */
33 /* The libdecnumber library, on which GDB depends, includes a header file
34 called gstdint.h instead of relying directly on stdint.h. GDB, on the
35 other hand, includes stdint.h directly, relying on the fact that gnulib
36 generates a copy if the system doesn't provide one or if it is missing
37 some features. Unfortunately, gstdint.h and stdint.h cannot be included
38 at the same time, which may happen when we include a file from
41 The following macro definition effectively prevents the inclusion of
42 gstdint.h, as all the definitions it provides are guarded against
43 the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h
44 included, so it's ok to blank out gstdint.h. */
45 #define GCC_GENERATED_STDINT_H 1
57 /* First include ansidecl.h so we can use the various macro definitions
58 here and in all subsequent file inclusions. */
62 #include "gdb_locale.h"
64 #include "gdb_wchar.h"
66 /* For ``enum target_signal''. */
67 #include "gdb/signals.h"
69 /* Just in case they're not defined in stdio.h. */
78 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
79 It is used as an access modifier in calls to open(), where it acts
80 similarly to the "b" character in fopen()'s MODE argument. On Posix
81 platforms it should be a no-op, so it is defined as 0 here. This
82 ensures that the symbol may be used freely elsewhere in gdb. */
88 #include <stdarg.h> /* For va_list. */
90 #include "libiberty.h"
92 /* Rather than duplicate all the logic in BFD for figuring out what
93 types to use (which can be pretty complicated), symply define them
94 in terms of the corresponding type from BFD. */
98 /* A byte from the program being debugged. */
99 typedef bfd_byte gdb_byte;
101 /* An address in the program being debugged. Host byte order. */
102 typedef bfd_vma CORE_ADDR;
104 /* The largest CORE_ADDR value. */
105 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
107 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
113 #define LONGEST BFD_HOST_64_BIT
114 #define ULONGEST BFD_HOST_U_64_BIT
118 #ifdef CC_HAS_LONG_LONG
119 #define LONGEST long long
120 #define ULONGEST unsigned long long
122 #ifdef BFD_HOST_64_BIT
123 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
124 (e.g. i386-windows) so try it. */
125 #define LONGEST BFD_HOST_64_BIT
126 #define ULONGEST BFD_HOST_U_64_BIT
129 #define ULONGEST unsigned long
133 #endif /* No BFD64 */
135 #endif /* ! LONGEST */
138 #define min(a, b) ((a) < (b) ? (a) : (b))
141 #define max(a, b) ((a) > (b) ? (a) : (b))
144 /* Check if a character is one of the commonly used C++ marker characters. */
145 extern int is_cplus_marker (int);
147 /* enable xdb commands if set */
148 extern int xdb_commands;
150 /* enable dbx commands if set */
151 extern int dbx_commands;
153 /* System root path, used to find libraries etc. */
154 extern char *gdb_sysroot;
156 /* GDB datadir, used to store data files. */
157 extern char *gdb_datadir;
159 /* Search path for separate debug files. */
160 extern char *debug_file_directory;
162 extern int quit_flag;
163 extern int immediate_quit;
164 extern int sevenbit_strings;
166 extern void quit (void);
168 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
169 benefits of having a ``QUIT'' macro rather than a function are
170 marginal. If the overhead of a QUIT function call is proving
171 significant then its calling frequency should probably be reduced
172 [kingdon]. A profile analyzing the current situtation is
176 if (quit_flag) quit (); \
177 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
180 /* Languages represented in the symbol table and elsewhere.
181 This should probably be in language.h, but since enum's can't
182 be forward declared to satisfy opaque references before their
183 actual definition, needs to be here. */
187 language_unknown, /* Language not known */
188 language_auto, /* Placeholder for automatic setting */
190 language_cplus, /* C++ */
191 language_objc, /* Objective-C */
192 language_java, /* Java */
193 language_fortran, /* Fortran */
194 language_m2, /* Modula-2 */
195 language_asm, /* Assembly language */
196 language_pascal, /* Pascal */
197 language_ada, /* Ada */
198 language_scm, /* Guile Scheme */
199 language_minimal, /* All other languages, minimal support only */
207 unspecified_precision
210 /* A generic, not quite boolean, enumeration. */
218 /* Potential ways that a function can return a value of a given type. */
219 enum return_value_convention
221 /* Where the return value has been squeezed into one or more
223 RETURN_VALUE_REGISTER_CONVENTION,
224 /* Commonly known as the "struct return convention". The caller
225 passes an additional hidden first parameter to the caller. That
226 parameter contains the address at which the value being returned
227 should be stored. While typically, and historically, used for
228 large structs, this is convention is applied to values of many
230 RETURN_VALUE_STRUCT_CONVENTION,
231 /* Like the "struct return convention" above, but where the ABI
232 guarantees that the called function stores the address at which
233 the value being returned is stored in a well-defined location,
234 such as a register or memory slot in the stack frame. Don't use
235 this if the ABI doesn't explicitly guarantees this. */
236 RETURN_VALUE_ABI_RETURNS_ADDRESS,
237 /* Like the "struct return convention" above, but where the ABI
238 guarantees that the address at which the value being returned is
239 stored will be available in a well-defined location, such as a
240 register or memory slot in the stack frame. Don't use this if
241 the ABI doesn't explicitly guarantees this. */
242 RETURN_VALUE_ABI_PRESERVES_ADDRESS,
245 /* the cleanup list records things that have to be undone
246 if an error happens (descriptors to be closed, memory to be freed, etc.)
247 Each link in the chain records a function to call and an
250 Use make_cleanup to add an element to the cleanup chain.
251 Use do_cleanups to do all cleanup actions back to a given
252 point in the chain. Use discard_cleanups to remove cleanups
253 from the chain back to a given point, not doing them.
255 If the argument is pointer to allocated memory, then you need to
256 to additionally set the 'free_arg' member to a function that will
257 free that memory. This function will be called both when the cleanup
258 is executed and when it's discarded. */
262 struct cleanup *next;
263 void (*function) (void *);
264 void (*free_arg) (void *);
269 /* The ability to declare that a function never returns is useful, but
270 not really required to compile GDB successfully, so the NORETURN and
271 ATTR_NORETURN macros normally expand into nothing. */
273 /* If compiling with older versions of GCC, a function may be declared
274 "volatile" to indicate that it does not return. */
277 #if defined(__GNUC__) \
278 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
279 #define NORETURN volatile
281 #define NORETURN /* nothing */
285 /* GCC 2.5 and later versions define a function attribute "noreturn",
286 which is the preferred way to declare that a function never returns.
287 However GCC 2.7 appears to be the first version in which this fully
288 works everywhere we use it. */
290 #ifndef ATTR_NORETURN
291 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
292 #define ATTR_NORETURN __attribute__ ((noreturn))
294 #define ATTR_NORETURN /* nothing */
299 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
300 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
302 #define ATTR_FORMAT(type, x, y) /* nothing */
306 /* Be conservative and use enum bitfields only with GCC.
307 This is copied from gcc 3.3.1, system.h. */
309 #if defined(__GNUC__) && (__GNUC__ >= 2)
310 #define ENUM_BITFIELD(TYPE) enum TYPE
312 #define ENUM_BITFIELD(TYPE) unsigned int
315 /* Needed for various prototypes */
324 extern void initialize_utils (void);
326 extern void notice_quit (void);
328 extern int strcmp_iw (const char *, const char *);
330 extern int strcmp_iw_ordered (const char *, const char *);
332 extern int streq (const char *, const char *);
334 extern int subset_compare (char *, char *);
336 extern char *safe_strerror (int);
338 #define ALL_CLEANUPS ((struct cleanup *)0)
340 extern void do_cleanups (struct cleanup *);
341 extern void do_final_cleanups (struct cleanup *);
343 extern void discard_cleanups (struct cleanup *);
344 extern void discard_final_cleanups (struct cleanup *);
345 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
347 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
348 make_cleanup function declarations below. Do not use this typedef
349 as a cast when passing functions into the make_cleanup() code.
350 Instead either use a bounce function or add a wrapper function.
351 Calling a f(char*) function with f(void*) is non-portable. */
352 typedef void (make_cleanup_ftype) (void *);
354 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
356 extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
357 void (*dtor) (void *));
359 extern struct cleanup *make_cleanup_freeargv (char **);
362 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
364 struct section_addr_info;
365 extern struct cleanup *(make_cleanup_free_section_addr_info
366 (struct section_addr_info *));
368 extern struct cleanup *make_cleanup_close (int fd);
370 extern struct cleanup *make_cleanup_fclose (FILE *file);
372 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
375 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
377 extern struct cleanup *make_cleanup_restore_integer (int *variable);
379 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
381 extern struct cleanup *make_my_cleanup (struct cleanup **,
382 make_cleanup_ftype *, void *);
384 extern struct cleanup *make_my_cleanup2 (struct cleanup **,
385 make_cleanup_ftype *, void *,
386 void (*free_arg) (void *));
388 extern struct cleanup *save_cleanups (void);
389 extern struct cleanup *save_final_cleanups (void);
390 extern struct cleanup *save_my_cleanups (struct cleanup **);
392 extern void restore_cleanups (struct cleanup *);
393 extern void restore_final_cleanups (struct cleanup *);
394 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
396 extern void free_current_contents (void *);
398 extern void null_cleanup (void *);
400 extern int myread (int, char *, int);
402 extern int query (const char *, ...) ATTR_FORMAT (printf, 1, 2);
403 extern int nquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
404 extern int yquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
406 extern void init_page_info (void);
408 extern char *gdb_realpath (const char *);
409 extern char *xfullpath (const char *);
411 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
412 unsigned char *buf, size_t len);
414 ULONGEST strtoulst (const char *num, const char **trailer, int base);
416 char *ldirname (const char *filename);
418 char **gdb_buildargv (const char *);
420 int compare_positive_ints (const void *ap, const void *bp);
422 /* A wrapper for bfd_errmsg to produce a more helpful error message
423 in the case of bfd_error_file_ambiguously recognized.
424 MATCHING, if non-NULL, is the corresponding argument to
425 bfd_check_format_matches, and will be freed. */
427 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
429 extern int parse_pid_to_attach (char *args);
431 /* From demangle.c */
433 extern void set_demangling_style (char *);
436 /* Annotation stuff. */
438 extern int annotation_level; /* in stack.c */
440 extern void begin_line (void);
442 extern void wrap_here (char *);
444 extern void reinitialize_more_filter (void);
447 extern struct ui_file *gdb_stdout;
449 extern struct ui_file *gdb_stdin;
450 /* Serious error notifications */
451 extern struct ui_file *gdb_stderr;
452 /* Log/debug/trace messages that should bypass normal stdout/stderr
453 filtering. For moment, always call this stream using
454 *_unfiltered. In the very near future that restriction shall be
455 removed - either call shall be unfiltered. (cagney 1999-06-13). */
456 extern struct ui_file *gdb_stdlog;
457 /* Target output that should bypass normal stdout/stderr filtering.
458 For moment, always call this stream using *_unfiltered. In the
459 very near future that restriction shall be removed - either call
460 shall be unfiltered. (cagney 1999-07-02). */
461 extern struct ui_file *gdb_stdtarg;
462 extern struct ui_file *gdb_stdtargerr;
463 extern struct ui_file *gdb_stdtargin;
467 /* More generic printf like operations. Filtered versions may return
468 non-locally on error. */
470 extern void fputs_filtered (const char *, struct ui_file *);
472 extern void fputs_unfiltered (const char *, struct ui_file *);
474 extern int fputc_filtered (int c, struct ui_file *);
476 extern int fputc_unfiltered (int c, struct ui_file *);
478 extern int putchar_filtered (int c);
480 extern int putchar_unfiltered (int c);
482 extern void puts_filtered (const char *);
484 extern void puts_unfiltered (const char *);
486 extern void puts_filtered_tabular (char *string, int width, int right);
488 extern void puts_debug (char *prefix, char *string, char *suffix);
490 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
492 extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
494 extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
496 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 3, 4);
498 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
500 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);
502 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
504 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
506 extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
508 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
510 extern void print_spaces (int, struct ui_file *);
512 extern void print_spaces_filtered (int, struct ui_file *);
514 extern char *n_spaces (int);
516 extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);
518 extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);
520 extern void fputstrn_filtered (const char *str, int n, int quotr, struct ui_file * stream);
522 extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);
524 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
525 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
527 extern const char *host_address_to_string (const void *addr);
529 /* Convert CORE_ADDR to string in platform-specific manner.
530 This is usually formatted similar to 0x%lx. */
531 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
534 extern char *plongest (LONGEST l);
535 /* %u for ULONGEST */
536 extern char *pulongest (ULONGEST l);
538 extern char *phex (ULONGEST l, int sizeof_l);
539 extern char *phex_nz (ULONGEST l, int sizeof_l);
540 extern char *int_string (LONGEST, int, int, int, int);
542 /* Convert a CORE_ADDR into a HEX string with leading zeros.
543 The output from core_addr_to_string() can be passed direct to
544 string_to_core_addr(). */
545 extern const char *core_addr_to_string (const CORE_ADDR addr);
546 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
547 extern CORE_ADDR string_to_core_addr (const char *my_string);
549 /* Return a string that contains a number formatted as a hex
551 extern char *hex_string (LONGEST);
552 extern char *hex_string_custom (LONGEST, int);
554 extern void fprintf_symbol_filtered (struct ui_file *, char *,
557 extern NORETURN void perror_with_name (const char *) ATTR_NORETURN;
559 extern void print_sys_errmsg (const char *, int);
561 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
562 "const char *" in unistd.h, so we can't declare the argument
565 extern char *re_comp (const char *);
569 extern void symbol_file_command (char *, int);
571 /* Remote targets may wish to use this as their load function. */
572 extern void generic_load (char *name, int from_tty);
574 /* Report on STREAM the performance of memory transfer operation,
576 DATA_COUNT is the number of bytes transferred.
577 WRITE_COUNT is the number of separate write operations, or 0,
578 if that information is not available.
579 START_TIME is the time at which an operation was started.
580 END_TIME is the time at which an operation ended. */
582 extern void print_transfer_performance (struct ui_file *stream,
583 unsigned long data_count,
584 unsigned long write_count,
585 const struct timeval *start_time,
586 const struct timeval *end_time);
590 typedef void initialize_file_ftype (void);
592 extern char *skip_quoted (char *);
594 extern char *gdb_readline (char *);
596 extern char *gdb_readline_wrapper (char *);
598 extern char *command_line_input (char *, int, char *);
600 extern void print_prompt (void);
602 extern int input_from_terminal_p (void);
604 extern int info_verbose;
606 /* From printcmd.c */
608 extern void set_next_address (struct gdbarch *, CORE_ADDR);
610 extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
611 struct ui_file *, int, char *);
613 extern int build_address_symbolic (struct gdbarch *,
622 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
623 extern const char *pc_prefix (CORE_ADDR);
627 #define OPF_TRY_CWD_FIRST 0x01
628 #define OPF_SEARCH_IN_PATH 0x02
630 extern int openp (const char *, int, const char *, int, char **);
632 extern int source_full_path_of (const char *, char **);
634 extern void mod_path (char *, char **);
636 extern void add_path (char *, char **, int);
638 extern void directory_command (char *, int);
640 extern void directory_switch (char *, int);
642 extern char *source_path;
644 extern void init_source_path (void);
648 /* Take over the 'find_mapped_memory' vector from exec.c. */
649 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR,
655 /* Possible lvalue types. Like enum language, this should be in
656 value.h, but needs to be here for the same reason. */
664 /* In a register. Registers are relative to a frame. */
666 /* In a gdb internal variable. */
668 /* Part of a gdb internal variable (structure field). */
669 lval_internalvar_component,
670 /* Value's bits are fetched and stored using functions provided by
675 /* Control types for commands */
677 enum misc_command_type
685 enum command_control_type
697 /* Structure for saved commands lines
698 (for breakpoints, defined commands, etc). */
702 struct command_line *next;
704 enum command_control_type control_type;
706 struct command_line **body_list;
709 extern struct command_line *read_command_lines (char *, int, int);
710 extern struct command_line *read_command_lines_1 (char * (*) (), int);
712 extern void free_command_lines (struct command_line **);
714 /* To continue the execution commands when running gdb asynchronously.
715 A continuation structure contains a pointer to a function to be called
716 to finish the command, once the target has stopped. Such mechanism is
717 used by the finish and until commands, and in the remote protocol
718 when opening an extended-remote connection. */
726 /* Thread specific continuations. */
728 extern void add_continuation (struct thread_info *,
729 void (*)(void *), void *,
731 extern void do_all_continuations (void);
732 extern void do_all_continuations_thread (struct thread_info *);
733 extern void discard_all_continuations (void);
734 extern void discard_all_continuations_thread (struct thread_info *);
736 extern void add_intermediate_continuation (struct thread_info *,
737 void (*)(void *), void *,
739 extern void do_all_intermediate_continuations (void);
740 extern void do_all_intermediate_continuations_thread (struct thread_info *);
741 extern void discard_all_intermediate_continuations (void);
742 extern void discard_all_intermediate_continuations_thread (struct thread_info *);
744 /* Inferior specific (any thread) continuations. */
746 extern void add_inferior_continuation (void (*) (void *),
749 extern void do_all_inferior_continuations (void);
750 extern void discard_all_inferior_continuations (struct inferior *inf);
752 /* String containing the current directory (what getwd would return). */
754 extern char *current_directory;
756 /* Default radixes for input and output. Only some values supported. */
757 extern unsigned input_radix;
758 extern unsigned output_radix;
760 /* Possibilities for prettyprint parameters to routines which print
761 things. Like enum language, this should be in value.h, but needs
762 to be here for the same reason. FIXME: If we can eliminate this
763 as an arg to LA_VAL_PRINT, then we can probably move it back to
768 Val_no_prettyprint = 0,
770 /* Use the default setting which the user has specified. */
774 /* The ptid struct is a collection of the various "ids" necessary
775 for identifying the inferior. This consists of the process id
776 (pid), thread id (tid), and other fields necessary for uniquely
777 identifying the inferior process/thread being debugged. When
778 manipulating ptids, the constructors, accessors, and predicate
779 declared in inferior.h should be used. These are as follows:
781 ptid_build - Make a new ptid from a pid, lwp, and tid.
782 pid_to_ptid - Make a new ptid from just a pid.
783 ptid_get_pid - Fetch the pid component of a ptid.
784 ptid_get_lwp - Fetch the lwp component of a ptid.
785 ptid_get_tid - Fetch the tid component of a ptid.
786 ptid_equal - Test to see if two ptids are equal.
787 ptid_is_pid - Test to see if this ptid represents a process id.
789 Please do NOT access the struct ptid members directly (except, of
790 course, in the implementation of the above ptid manipulation
798 /* Lightweight process id */
805 typedef struct ptid ptid_t;
809 /* Optional native machine support. Non-native (and possibly pure
810 multi-arch) targets do not need a "nm.h" file. This will be a
811 symlink to one of the nm-*.h files, built by the `configure'
818 /* Assume that fopen accepts the letter "b" in the mode string.
819 It is demanded by ISO C9X, and should be supported on all
820 platforms that claim to have a standard-conforming C library. On
821 true POSIX systems it will be ignored and have no effect. There
822 may still be systems without a standard-conforming C library where
823 an ISO C9X compiler (GCC) is available. Known examples are SunOS
824 4.x and 4.3BSD. This assumption means these systems are no longer
827 # include "fopen-bin.h"
830 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
831 FIXME: Assumes 2's complement arithmetic */
833 #if !defined (UINT_MAX)
834 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
837 #if !defined (INT_MAX)
838 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
841 #if !defined (INT_MIN)
842 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
845 #if !defined (ULONG_MAX)
846 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
849 #if !defined (LONG_MAX)
850 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
853 #if !defined (ULONGEST_MAX)
854 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
857 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
858 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
861 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
862 arguments to a function, number in a value history, register number, etc.)
863 where the value must not be larger than can fit in an int. */
865 extern int longest_to_int (LONGEST);
867 /* Assorted functions we can declare, now that const and volatile are
870 extern char *savestring (const char *, size_t);
872 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
874 extern void xfree (void *);
876 /* Like xmalloc, but zero the memory. */
877 extern void *xzalloc (size_t);
879 /* Utility macros to allocate typed memory. Avoids errors like:
880 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
881 sizeof (struct foo), 0). */
882 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
883 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
884 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
886 /* Like asprintf/vasprintf but get an internal_error if the call
888 extern void xasprintf (char **ret, const char *format, ...) ATTR_FORMAT (printf, 2, 3);
889 extern void xvasprintf (char **ret, const char *format, va_list ap)
890 ATTR_FORMAT (printf, 2, 0);
892 /* Like asprintf and vasprintf, but return the string, throw an error
894 extern char *xstrprintf (const char *format, ...) ATTR_FORMAT (printf, 1, 2);
895 extern char *xstrvprintf (const char *format, va_list ap)
896 ATTR_FORMAT (printf, 1, 0);
898 /* Like snprintf, but throw an error if the output buffer is too small. */
899 extern int xsnprintf (char *str, size_t size, const char *format, ...)
900 ATTR_FORMAT (printf, 3, 4);
902 extern int parse_escape (char **);
904 /* Message to be printed before the error message, when an error occurs. */
906 extern char *error_pre_print;
908 /* Message to be printed before the error message, when an error occurs. */
910 extern char *quit_pre_print;
912 /* Message to be printed before the warning message, when a warning occurs. */
914 extern char *warning_pre_print;
916 extern NORETURN void verror (const char *fmt, va_list ap)
917 ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);
919 extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
921 extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;
923 extern NORETURN void vfatal (const char *fmt, va_list ap)
924 ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);
926 extern NORETURN void fatal (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
928 extern NORETURN void internal_verror (const char *file, int line,
929 const char *, va_list ap)
930 ATTR_NORETURN ATTR_FORMAT (printf, 3, 0);
932 extern NORETURN void internal_error (const char *file, int line,
933 const char *, ...) ATTR_NORETURN ATTR_FORMAT (printf, 3, 4);
935 extern void internal_vwarning (const char *file, int line,
936 const char *, va_list ap)
937 ATTR_FORMAT (printf, 3, 0);
939 extern void internal_warning (const char *file, int line,
940 const char *, ...) ATTR_FORMAT (printf, 3, 4);
942 extern NORETURN void nomem (long) ATTR_NORETURN;
944 extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);
946 extern void vwarning (const char *, va_list args) ATTR_FORMAT (printf, 1, 0);
948 /* List of known OS ABIs. If you change this, make sure to update the
952 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
954 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
961 GDB_OSABI_FREEBSD_AOUT,
962 GDB_OSABI_FREEBSD_ELF,
963 GDB_OSABI_NETBSD_AOUT,
964 GDB_OSABI_NETBSD_ELF,
965 GDB_OSABI_OPENBSD_ELF,
979 GDB_OSABI_INVALID /* keep this last */
982 /* Global functions from other, non-gdb GNU thingies.
983 Libiberty thingies are no longer declared here. We include libiberty.h
986 /* From other system libraries */
996 #define min(a, b) ((a) < (b) ? (a) : (b))
999 #define max(a, b) ((a) > (b) ? (a) : (b))
1004 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1007 /* Various possibilities for alloca. */
1010 #define alloca __builtin_alloca
1011 #else /* Not GNU C */
1012 #ifdef HAVE_ALLOCA_H
1019 /* We need to be careful not to declare this in a way which conflicts with
1020 bison. Bison never declares it as char *, but under various circumstances
1021 (like __hpux) we need to use void *. */
1022 extern void *alloca ();
1023 #endif /* Not _AIX */
1024 #endif /* Not HAVE_ALLOCA_H */
1025 #endif /* Not GNU C */
1026 #endif /* alloca not defined */
1028 /* Dynamic target-system-dependent parameters for GDB. */
1029 #include "gdbarch.h"
1031 /* Maximum size of a register. Something small, but large enough for
1032 all known ISAs. If it turns out to be too small, make it bigger. */
1034 enum { MAX_REGISTER_SIZE = 32 };
1036 /* Static target-system-dependent parameters for GDB. */
1038 /* Number of bits in a char or unsigned char for the target machine.
1039 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1040 #if !defined (TARGET_CHAR_BIT)
1041 #define TARGET_CHAR_BIT 8
1044 /* If we picked up a copy of CHAR_BIT from a configuration file
1045 (which may get it by including <limits.h>) then use it to set
1046 the number of bits in a host char. If not, use the same size
1049 #if defined (CHAR_BIT)
1050 #define HOST_CHAR_BIT CHAR_BIT
1052 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1057 extern LONGEST extract_signed_integer (const gdb_byte *, int,
1060 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
1063 extern int extract_long_unsigned_integer (const gdb_byte *, int,
1064 enum bfd_endian, LONGEST *);
1066 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1069 extern void store_signed_integer (gdb_byte *, int,
1070 enum bfd_endian, LONGEST);
1072 extern void store_unsigned_integer (gdb_byte *, int,
1073 enum bfd_endian, ULONGEST);
1075 extern void store_typed_address (gdb_byte *buf, struct type *type,
1081 extern int watchdog;
1083 /* Hooks for alternate command interfaces. */
1085 /* The name of the interpreter if specified on the command line. */
1086 extern char *interpreter_p;
1088 /* If a given interpreter matches INTERPRETER_P then it should update
1089 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1090 per-interpreter implementation. */
1091 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1092 should be moved here. */
1094 struct target_waitstatus;
1095 struct cmd_list_element;
1097 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1098 extern void (*deprecated_post_add_symbol_hook) (void);
1099 extern void (*selected_frame_level_changed_hook) (int);
1100 extern int (*deprecated_ui_loop_hook) (int signo);
1101 extern void (*deprecated_init_ui_hook) (char *argv0);
1102 extern void (*deprecated_command_loop_hook) (void);
1103 extern void (*deprecated_show_load_progress) (const char *section,
1104 unsigned long section_sent,
1105 unsigned long section_size,
1106 unsigned long total_sent,
1107 unsigned long total_size);
1108 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1109 int line, int stopline,
1111 extern int (*deprecated_query_hook) (const char *, va_list)
1112 ATTRIBUTE_FPTR_PRINTF(1,0);
1113 extern void (*deprecated_warning_hook) (const char *, va_list)
1114 ATTRIBUTE_FPTR_PRINTF(1,0);
1115 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1116 extern void (*deprecated_interactive_hook) (void);
1117 extern void (*deprecated_readline_begin_hook) (char *, ...)
1118 ATTRIBUTE_FPTR_PRINTF_1;
1119 extern char *(*deprecated_readline_hook) (char *);
1120 extern void (*deprecated_readline_end_hook) (void);
1121 extern void (*deprecated_register_changed_hook) (int regno);
1122 extern void (*deprecated_context_hook) (int);
1123 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1124 struct target_waitstatus *status,
1127 extern void (*deprecated_attach_hook) (void);
1128 extern void (*deprecated_detach_hook) (void);
1129 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1130 char *cmd, int from_tty);
1132 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1134 extern void (*deprecated_error_begin_hook) (void);
1136 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1140 /* Inhibit window interface if non-zero. */
1142 extern int use_windows;
1144 /* Symbolic definitions of filename-related things. */
1145 /* FIXME, this doesn't work very well if host and executable
1146 filesystems conventions are different. */
1150 # define GLOBAL_CURDIR
1151 # define DIRNAME_SEPARATOR ';'
1154 #if !defined (__CYGWIN__) && defined (_WIN32)
1155 # define DIRNAME_SEPARATOR ';'
1158 #ifndef DIRNAME_SEPARATOR
1159 #define DIRNAME_SEPARATOR ':'
1162 #ifndef SLASH_STRING
1163 #define SLASH_STRING "/"
1166 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1167 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1168 in the code actually refer to a lightweight process id, i.e,
1169 something that can be considered a process id in its own right for
1170 certain purposes. */
1173 #define PIDGET(PTID) (ptid_get_pid (PTID))
1174 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1175 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1178 /* Define well known filenos if the system does not define them. */
1179 #ifndef STDIN_FILENO
1180 #define STDIN_FILENO 0
1182 #ifndef STDOUT_FILENO
1183 #define STDOUT_FILENO 1
1185 #ifndef STDERR_FILENO
1186 #define STDERR_FILENO 2
1189 /* If this definition isn't overridden by the header files, assume
1190 that isatty and fileno exist on this system. */
1192 #define ISATTY(FP) (isatty (fileno (FP)))
1195 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1196 power of 2). Round up/down when necessary. Examples of correct
1199 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1200 write_memory (addr, value, len);
1205 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1206 write_memory (sp, value, len);
1208 Note that uses such as:
1210 write_memory (addr, value, len);
1211 addr += align_up (len, 8);
1215 sp -= align_up (len, 8);
1216 write_memory (sp, value, len);
1218 are typically not correct as they don't ensure that the address (SP
1219 or ADDR) is correctly aligned (relying on previous alignment to
1220 keep things right). This is also why the methods are called
1221 "align_..." instead of "round_..." as the latter reads better with
1222 this incorrect coding style. */
1224 extern ULONGEST align_up (ULONGEST v, int n);
1225 extern ULONGEST align_down (ULONGEST v, int n);
1227 /* Allocation and deallocation functions for the libiberty hash table
1228 which use obstacks. */
1229 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1230 void dummy_obstack_deallocate (void *object, void *data);
1232 /* From progspace.c */
1234 extern void initialize_progspace (void);
1235 extern void initialize_inferiors (void);
1237 #endif /* #ifndef DEFS_H */