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 /* vec.h-style vectors of strings want a typedef for char * . */
317 typedef char * char_ptr;
319 /* Needed for various prototypes */
328 extern void initialize_utils (void);
330 extern void notice_quit (void);
332 extern int strcmp_iw (const char *, const char *);
334 extern int strcmp_iw_ordered (const char *, const char *);
336 extern int streq (const char *, const char *);
338 extern int subset_compare (char *, char *);
340 extern char *safe_strerror (int);
342 #define ALL_CLEANUPS ((struct cleanup *)0)
344 extern void do_cleanups (struct cleanup *);
345 extern void do_final_cleanups (struct cleanup *);
347 extern void discard_cleanups (struct cleanup *);
348 extern void discard_final_cleanups (struct cleanup *);
349 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
351 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
352 make_cleanup function declarations below. Do not use this typedef
353 as a cast when passing functions into the make_cleanup() code.
354 Instead either use a bounce function or add a wrapper function.
355 Calling a f(char*) function with f(void*) is non-portable. */
356 typedef void (make_cleanup_ftype) (void *);
358 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
360 extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
361 void (*dtor) (void *));
363 extern struct cleanup *make_cleanup_freeargv (char **);
366 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
368 struct section_addr_info;
369 extern struct cleanup *(make_cleanup_free_section_addr_info
370 (struct section_addr_info *));
372 extern struct cleanup *make_cleanup_close (int fd);
374 extern struct cleanup *make_cleanup_fclose (FILE *file);
376 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
379 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
381 extern struct cleanup *make_cleanup_restore_integer (int *variable);
383 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
385 extern struct cleanup *make_my_cleanup (struct cleanup **,
386 make_cleanup_ftype *, void *);
388 extern struct cleanup *make_my_cleanup2 (struct cleanup **,
389 make_cleanup_ftype *, void *,
390 void (*free_arg) (void *));
392 extern struct cleanup *save_cleanups (void);
393 extern struct cleanup *save_final_cleanups (void);
394 extern struct cleanup *save_my_cleanups (struct cleanup **);
396 extern void restore_cleanups (struct cleanup *);
397 extern void restore_final_cleanups (struct cleanup *);
398 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
400 extern void free_current_contents (void *);
402 extern void null_cleanup (void *);
404 extern int myread (int, char *, int);
406 extern int query (const char *, ...) ATTR_FORMAT (printf, 1, 2);
407 extern int nquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
408 extern int yquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
410 extern void init_page_info (void);
412 extern char *gdb_realpath (const char *);
413 extern char *xfullpath (const char *);
415 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
416 unsigned char *buf, size_t len);
418 ULONGEST strtoulst (const char *num, const char **trailer, int base);
420 char *ldirname (const char *filename);
422 char **gdb_buildargv (const char *);
424 int compare_positive_ints (const void *ap, const void *bp);
426 /* A wrapper for bfd_errmsg to produce a more helpful error message
427 in the case of bfd_error_file_ambiguously recognized.
428 MATCHING, if non-NULL, is the corresponding argument to
429 bfd_check_format_matches, and will be freed. */
431 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
433 extern int parse_pid_to_attach (char *args);
435 /* From demangle.c */
437 extern void set_demangling_style (char *);
440 /* Annotation stuff. */
442 extern int annotation_level; /* in stack.c */
444 extern void begin_line (void);
446 extern void wrap_here (char *);
448 extern void reinitialize_more_filter (void);
451 extern struct ui_file *gdb_stdout;
453 extern struct ui_file *gdb_stdin;
454 /* Serious error notifications */
455 extern struct ui_file *gdb_stderr;
456 /* Log/debug/trace messages that should bypass normal stdout/stderr
457 filtering. For moment, always call this stream using
458 *_unfiltered. In the very near future that restriction shall be
459 removed - either call shall be unfiltered. (cagney 1999-06-13). */
460 extern struct ui_file *gdb_stdlog;
461 /* Target output that should bypass normal stdout/stderr filtering.
462 For moment, always call this stream using *_unfiltered. In the
463 very near future that restriction shall be removed - either call
464 shall be unfiltered. (cagney 1999-07-02). */
465 extern struct ui_file *gdb_stdtarg;
466 extern struct ui_file *gdb_stdtargerr;
467 extern struct ui_file *gdb_stdtargin;
471 /* More generic printf like operations. Filtered versions may return
472 non-locally on error. */
474 extern void fputs_filtered (const char *, struct ui_file *);
476 extern void fputs_unfiltered (const char *, struct ui_file *);
478 extern int fputc_filtered (int c, struct ui_file *);
480 extern int fputc_unfiltered (int c, struct ui_file *);
482 extern int putchar_filtered (int c);
484 extern int putchar_unfiltered (int c);
486 extern void puts_filtered (const char *);
488 extern void puts_unfiltered (const char *);
490 extern void puts_filtered_tabular (char *string, int width, int right);
492 extern void puts_debug (char *prefix, char *string, char *suffix);
494 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
496 extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
498 extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
500 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 3, 4);
502 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
504 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);
506 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
508 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
510 extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
512 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
514 extern void print_spaces (int, struct ui_file *);
516 extern void print_spaces_filtered (int, struct ui_file *);
518 extern char *n_spaces (int);
520 extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);
522 extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);
524 extern void fputstrn_filtered (const char *str, int n, int quotr, struct ui_file * stream);
526 extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);
528 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
529 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
531 extern const char *host_address_to_string (const void *addr);
533 /* Convert CORE_ADDR to string in platform-specific manner.
534 This is usually formatted similar to 0x%lx. */
535 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
538 extern char *plongest (LONGEST l);
539 /* %u for ULONGEST */
540 extern char *pulongest (ULONGEST l);
542 extern char *phex (ULONGEST l, int sizeof_l);
543 extern char *phex_nz (ULONGEST l, int sizeof_l);
544 extern char *int_string (LONGEST, int, int, int, int);
546 /* Convert a CORE_ADDR into a HEX string with leading zeros.
547 The output from core_addr_to_string() can be passed direct to
548 string_to_core_addr(). */
549 extern const char *core_addr_to_string (const CORE_ADDR addr);
550 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
551 extern CORE_ADDR string_to_core_addr (const char *my_string);
553 /* Return a string that contains a number formatted as a hex
555 extern char *hex_string (LONGEST);
556 extern char *hex_string_custom (LONGEST, int);
558 extern void fprintf_symbol_filtered (struct ui_file *, char *,
561 extern NORETURN void perror_with_name (const char *) ATTR_NORETURN;
563 extern void print_sys_errmsg (const char *, int);
565 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
566 "const char *" in unistd.h, so we can't declare the argument
569 extern char *re_comp (const char *);
573 extern void symbol_file_command (char *, int);
575 /* Remote targets may wish to use this as their load function. */
576 extern void generic_load (char *name, int from_tty);
578 /* Report on STREAM the performance of memory transfer operation,
580 DATA_COUNT is the number of bytes transferred.
581 WRITE_COUNT is the number of separate write operations, or 0,
582 if that information is not available.
583 START_TIME is the time at which an operation was started.
584 END_TIME is the time at which an operation ended. */
586 extern void print_transfer_performance (struct ui_file *stream,
587 unsigned long data_count,
588 unsigned long write_count,
589 const struct timeval *start_time,
590 const struct timeval *end_time);
594 typedef void initialize_file_ftype (void);
596 extern char *skip_quoted (char *);
598 extern char *gdb_readline (char *);
600 extern char *gdb_readline_wrapper (char *);
602 extern char *command_line_input (char *, int, char *);
604 extern void print_prompt (void);
606 extern int input_from_terminal_p (void);
608 extern int info_verbose;
610 /* From printcmd.c */
612 extern void set_next_address (struct gdbarch *, CORE_ADDR);
614 extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
615 struct ui_file *, int, char *);
617 extern int build_address_symbolic (struct gdbarch *,
626 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
627 extern const char *pc_prefix (CORE_ADDR);
631 #define OPF_TRY_CWD_FIRST 0x01
632 #define OPF_SEARCH_IN_PATH 0x02
634 extern int openp (const char *, int, const char *, int, char **);
636 extern int source_full_path_of (const char *, char **);
638 extern void mod_path (char *, char **);
640 extern void add_path (char *, char **, int);
642 extern void directory_command (char *, int);
644 extern void directory_switch (char *, int);
646 extern char *source_path;
648 extern void init_source_path (void);
652 /* Take over the 'find_mapped_memory' vector from exec.c. */
653 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR,
659 /* Possible lvalue types. Like enum language, this should be in
660 value.h, but needs to be here for the same reason. */
668 /* In a register. Registers are relative to a frame. */
670 /* In a gdb internal variable. */
672 /* Part of a gdb internal variable (structure field). */
673 lval_internalvar_component,
674 /* Value's bits are fetched and stored using functions provided by
679 /* Control types for commands */
681 enum misc_command_type
689 enum command_control_type
698 while_stepping_control,
702 /* Structure for saved commands lines
703 (for breakpoints, defined commands, etc). */
707 struct command_line *next;
709 enum command_control_type control_type;
710 /* The number of elements in body_list. */
712 /* For composite commands, the nested lists of
713 commands. For example, for "if" command this
714 will contain the then branch and the else
715 branch, if that is available. */
716 struct command_line **body_list;
719 extern struct command_line *read_command_lines (char *, int, int,
720 void (*)(char *, void *),
722 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
723 void (*)(char *, void *),
726 extern void free_command_lines (struct command_line **);
728 /* To continue the execution commands when running gdb asynchronously.
729 A continuation structure contains a pointer to a function to be called
730 to finish the command, once the target has stopped. Such mechanism is
731 used by the finish and until commands, and in the remote protocol
732 when opening an extended-remote connection. */
740 /* Thread specific continuations. */
742 extern void add_continuation (struct thread_info *,
743 void (*)(void *), void *,
745 extern void do_all_continuations (void);
746 extern void do_all_continuations_thread (struct thread_info *);
747 extern void discard_all_continuations (void);
748 extern void discard_all_continuations_thread (struct thread_info *);
750 extern void add_intermediate_continuation (struct thread_info *,
751 void (*)(void *), void *,
753 extern void do_all_intermediate_continuations (void);
754 extern void do_all_intermediate_continuations_thread (struct thread_info *);
755 extern void discard_all_intermediate_continuations (void);
756 extern void discard_all_intermediate_continuations_thread (struct thread_info *);
758 /* Inferior specific (any thread) continuations. */
760 extern void add_inferior_continuation (void (*) (void *),
763 extern void do_all_inferior_continuations (void);
764 extern void discard_all_inferior_continuations (struct inferior *inf);
766 /* String containing the current directory (what getwd would return). */
768 extern char *current_directory;
770 /* Default radixes for input and output. Only some values supported. */
771 extern unsigned input_radix;
772 extern unsigned output_radix;
774 /* Possibilities for prettyprint parameters to routines which print
775 things. Like enum language, this should be in value.h, but needs
776 to be here for the same reason. FIXME: If we can eliminate this
777 as an arg to LA_VAL_PRINT, then we can probably move it back to
782 Val_no_prettyprint = 0,
784 /* Use the default setting which the user has specified. */
788 /* The ptid struct is a collection of the various "ids" necessary
789 for identifying the inferior. This consists of the process id
790 (pid), thread id (tid), and other fields necessary for uniquely
791 identifying the inferior process/thread being debugged. When
792 manipulating ptids, the constructors, accessors, and predicate
793 declared in inferior.h should be used. These are as follows:
795 ptid_build - Make a new ptid from a pid, lwp, and tid.
796 pid_to_ptid - Make a new ptid from just a pid.
797 ptid_get_pid - Fetch the pid component of a ptid.
798 ptid_get_lwp - Fetch the lwp component of a ptid.
799 ptid_get_tid - Fetch the tid component of a ptid.
800 ptid_equal - Test to see if two ptids are equal.
801 ptid_is_pid - Test to see if this ptid represents a process id.
803 Please do NOT access the struct ptid members directly (except, of
804 course, in the implementation of the above ptid manipulation
812 /* Lightweight process id */
819 typedef struct ptid ptid_t;
823 /* Optional native machine support. Non-native (and possibly pure
824 multi-arch) targets do not need a "nm.h" file. This will be a
825 symlink to one of the nm-*.h files, built by the `configure'
832 /* Assume that fopen accepts the letter "b" in the mode string.
833 It is demanded by ISO C9X, and should be supported on all
834 platforms that claim to have a standard-conforming C library. On
835 true POSIX systems it will be ignored and have no effect. There
836 may still be systems without a standard-conforming C library where
837 an ISO C9X compiler (GCC) is available. Known examples are SunOS
838 4.x and 4.3BSD. This assumption means these systems are no longer
841 # include "fopen-bin.h"
844 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
845 FIXME: Assumes 2's complement arithmetic */
847 #if !defined (UINT_MAX)
848 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
851 #if !defined (INT_MAX)
852 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
855 #if !defined (INT_MIN)
856 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
859 #if !defined (ULONG_MAX)
860 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
863 #if !defined (LONG_MAX)
864 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
867 #if !defined (ULONGEST_MAX)
868 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
871 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
872 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
875 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
876 arguments to a function, number in a value history, register number, etc.)
877 where the value must not be larger than can fit in an int. */
879 extern int longest_to_int (LONGEST);
881 /* Assorted functions we can declare, now that const and volatile are
884 extern char *savestring (const char *, size_t);
886 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
888 extern void xfree (void *);
890 /* Like xmalloc, but zero the memory. */
891 extern void *xzalloc (size_t);
893 /* Utility macros to allocate typed memory. Avoids errors like:
894 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
895 sizeof (struct foo), 0). */
896 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
897 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
898 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
900 /* Like asprintf/vasprintf but get an internal_error if the call
902 extern void xasprintf (char **ret, const char *format, ...) ATTR_FORMAT (printf, 2, 3);
903 extern void xvasprintf (char **ret, const char *format, va_list ap)
904 ATTR_FORMAT (printf, 2, 0);
906 /* Like asprintf and vasprintf, but return the string, throw an error
908 extern char *xstrprintf (const char *format, ...) ATTR_FORMAT (printf, 1, 2);
909 extern char *xstrvprintf (const char *format, va_list ap)
910 ATTR_FORMAT (printf, 1, 0);
912 /* Like snprintf, but throw an error if the output buffer is too small. */
913 extern int xsnprintf (char *str, size_t size, const char *format, ...)
914 ATTR_FORMAT (printf, 3, 4);
916 extern int parse_escape (struct gdbarch *, char **);
918 /* Message to be printed before the error message, when an error occurs. */
920 extern char *error_pre_print;
922 /* Message to be printed before the error message, when an error occurs. */
924 extern char *quit_pre_print;
926 /* Message to be printed before the warning message, when a warning occurs. */
928 extern char *warning_pre_print;
930 extern NORETURN void verror (const char *fmt, va_list ap)
931 ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);
933 extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
935 extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;
937 extern NORETURN void vfatal (const char *fmt, va_list ap)
938 ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);
940 extern NORETURN void fatal (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
942 extern NORETURN void internal_verror (const char *file, int line,
943 const char *, va_list ap)
944 ATTR_NORETURN ATTR_FORMAT (printf, 3, 0);
946 extern NORETURN void internal_error (const char *file, int line,
947 const char *, ...) ATTR_NORETURN ATTR_FORMAT (printf, 3, 4);
949 extern void internal_vwarning (const char *file, int line,
950 const char *, va_list ap)
951 ATTR_FORMAT (printf, 3, 0);
953 extern void internal_warning (const char *file, int line,
954 const char *, ...) ATTR_FORMAT (printf, 3, 4);
956 extern NORETURN void nomem (long) ATTR_NORETURN;
958 extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);
960 extern void vwarning (const char *, va_list args) ATTR_FORMAT (printf, 1, 0);
962 /* List of known OS ABIs. If you change this, make sure to update the
966 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
968 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
975 GDB_OSABI_FREEBSD_AOUT,
976 GDB_OSABI_FREEBSD_ELF,
977 GDB_OSABI_NETBSD_AOUT,
978 GDB_OSABI_NETBSD_ELF,
979 GDB_OSABI_OPENBSD_ELF,
993 GDB_OSABI_INVALID /* keep this last */
996 /* Global functions from other, non-gdb GNU thingies.
997 Libiberty thingies are no longer declared here. We include libiberty.h
1000 /* From other system libraries */
1002 #ifdef HAVE_STDDEF_H
1006 #ifdef HAVE_STDLIB_H
1010 #define min(a, b) ((a) < (b) ? (a) : (b))
1013 #define max(a, b) ((a) > (b) ? (a) : (b))
1018 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1021 /* Various possibilities for alloca. */
1024 #define alloca __builtin_alloca
1025 #else /* Not GNU C */
1026 #ifdef HAVE_ALLOCA_H
1033 /* We need to be careful not to declare this in a way which conflicts with
1034 bison. Bison never declares it as char *, but under various circumstances
1035 (like __hpux) we need to use void *. */
1036 extern void *alloca ();
1037 #endif /* Not _AIX */
1038 #endif /* Not HAVE_ALLOCA_H */
1039 #endif /* Not GNU C */
1040 #endif /* alloca not defined */
1042 /* Dynamic target-system-dependent parameters for GDB. */
1043 #include "gdbarch.h"
1045 /* Maximum size of a register. Something small, but large enough for
1046 all known ISAs. If it turns out to be too small, make it bigger. */
1048 enum { MAX_REGISTER_SIZE = 32 };
1050 /* Static target-system-dependent parameters for GDB. */
1052 /* Number of bits in a char or unsigned char for the target machine.
1053 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1054 #if !defined (TARGET_CHAR_BIT)
1055 #define TARGET_CHAR_BIT 8
1058 /* If we picked up a copy of CHAR_BIT from a configuration file
1059 (which may get it by including <limits.h>) then use it to set
1060 the number of bits in a host char. If not, use the same size
1063 #if defined (CHAR_BIT)
1064 #define HOST_CHAR_BIT CHAR_BIT
1066 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1071 extern LONGEST extract_signed_integer (const gdb_byte *, int,
1074 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
1077 extern int extract_long_unsigned_integer (const gdb_byte *, int,
1078 enum bfd_endian, LONGEST *);
1080 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1083 extern void store_signed_integer (gdb_byte *, int,
1084 enum bfd_endian, LONGEST);
1086 extern void store_unsigned_integer (gdb_byte *, int,
1087 enum bfd_endian, ULONGEST);
1089 extern void store_typed_address (gdb_byte *buf, struct type *type,
1095 extern int watchdog;
1097 /* Hooks for alternate command interfaces. */
1099 /* The name of the interpreter if specified on the command line. */
1100 extern char *interpreter_p;
1102 /* If a given interpreter matches INTERPRETER_P then it should update
1103 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1104 per-interpreter implementation. */
1105 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1106 should be moved here. */
1108 struct target_waitstatus;
1109 struct cmd_list_element;
1111 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1112 extern void (*deprecated_post_add_symbol_hook) (void);
1113 extern void (*selected_frame_level_changed_hook) (int);
1114 extern int (*deprecated_ui_loop_hook) (int signo);
1115 extern void (*deprecated_init_ui_hook) (char *argv0);
1116 extern void (*deprecated_command_loop_hook) (void);
1117 extern void (*deprecated_show_load_progress) (const char *section,
1118 unsigned long section_sent,
1119 unsigned long section_size,
1120 unsigned long total_sent,
1121 unsigned long total_size);
1122 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1123 int line, int stopline,
1125 extern int (*deprecated_query_hook) (const char *, va_list)
1126 ATTRIBUTE_FPTR_PRINTF(1,0);
1127 extern void (*deprecated_warning_hook) (const char *, va_list)
1128 ATTRIBUTE_FPTR_PRINTF(1,0);
1129 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1130 extern void (*deprecated_interactive_hook) (void);
1131 extern void (*deprecated_readline_begin_hook) (char *, ...)
1132 ATTRIBUTE_FPTR_PRINTF_1;
1133 extern char *(*deprecated_readline_hook) (char *);
1134 extern void (*deprecated_readline_end_hook) (void);
1135 extern void (*deprecated_register_changed_hook) (int regno);
1136 extern void (*deprecated_context_hook) (int);
1137 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1138 struct target_waitstatus *status,
1141 extern void (*deprecated_attach_hook) (void);
1142 extern void (*deprecated_detach_hook) (void);
1143 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1144 char *cmd, int from_tty);
1146 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1148 extern void (*deprecated_error_begin_hook) (void);
1150 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1154 /* Inhibit window interface if non-zero. */
1156 extern int use_windows;
1158 /* Symbolic definitions of filename-related things. */
1159 /* FIXME, this doesn't work very well if host and executable
1160 filesystems conventions are different. */
1164 # define GLOBAL_CURDIR
1165 # define DIRNAME_SEPARATOR ';'
1168 #if !defined (__CYGWIN__) && defined (_WIN32)
1169 # define DIRNAME_SEPARATOR ';'
1172 #ifndef DIRNAME_SEPARATOR
1173 #define DIRNAME_SEPARATOR ':'
1176 #ifndef SLASH_STRING
1177 #define SLASH_STRING "/"
1180 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1181 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1182 in the code actually refer to a lightweight process id, i.e,
1183 something that can be considered a process id in its own right for
1184 certain purposes. */
1187 #define PIDGET(PTID) (ptid_get_pid (PTID))
1188 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1189 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1192 /* Define well known filenos if the system does not define them. */
1193 #ifndef STDIN_FILENO
1194 #define STDIN_FILENO 0
1196 #ifndef STDOUT_FILENO
1197 #define STDOUT_FILENO 1
1199 #ifndef STDERR_FILENO
1200 #define STDERR_FILENO 2
1203 /* If this definition isn't overridden by the header files, assume
1204 that isatty and fileno exist on this system. */
1206 #define ISATTY(FP) (isatty (fileno (FP)))
1209 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1210 power of 2). Round up/down when necessary. Examples of correct
1213 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1214 write_memory (addr, value, len);
1219 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1220 write_memory (sp, value, len);
1222 Note that uses such as:
1224 write_memory (addr, value, len);
1225 addr += align_up (len, 8);
1229 sp -= align_up (len, 8);
1230 write_memory (sp, value, len);
1232 are typically not correct as they don't ensure that the address (SP
1233 or ADDR) is correctly aligned (relying on previous alignment to
1234 keep things right). This is also why the methods are called
1235 "align_..." instead of "round_..." as the latter reads better with
1236 this incorrect coding style. */
1238 extern ULONGEST align_up (ULONGEST v, int n);
1239 extern ULONGEST align_down (ULONGEST v, int n);
1241 /* Allocation and deallocation functions for the libiberty hash table
1242 which use obstacks. */
1243 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1244 void dummy_obstack_deallocate (void *object, void *data);
1246 /* From progspace.c */
1248 extern void initialize_progspace (void);
1249 extern void initialize_inferiors (void);
1251 #endif /* #ifndef DEFS_H */