1 /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
3 /* Basic, host-specific, and target-specific definitions for GDB.
4 Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
5 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009,
6 2010 Free Software Foundation, Inc.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
26 #include "config.h" /* Generated by configure. */
28 #include <sys/types.h>
30 #include <errno.h> /* System call error return status. */
34 /* The libdecnumber library, on which GDB depends, includes a header file
35 called gstdint.h instead of relying directly on stdint.h. GDB, on the
36 other hand, includes stdint.h directly, relying on the fact that gnulib
37 generates a copy if the system doesn't provide one or if it is missing
38 some features. Unfortunately, gstdint.h and stdint.h cannot be included
39 at the same time, which may happen when we include a file from
42 The following macro definition effectively prevents the inclusion of
43 gstdint.h, as all the definitions it provides are guarded against
44 the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h
45 included, so it's ok to blank out gstdint.h. */
46 #define GCC_GENERATED_STDINT_H 1
58 /* First include ansidecl.h so we can use the various macro definitions
59 here and in all subsequent file inclusions. */
63 #include "gdb_locale.h"
65 #include "gdb_wchar.h"
67 /* For ``enum target_signal''. */
68 #include "gdb/signals.h"
70 /* Just in case they're not defined in stdio.h. */
79 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
80 It is used as an access modifier in calls to open(), where it acts
81 similarly to the "b" character in fopen()'s MODE argument. On Posix
82 platforms it should be a no-op, so it is defined as 0 here. This
83 ensures that the symbol may be used freely elsewhere in gdb. */
89 #include <stdarg.h> /* For va_list. */
91 #include "libiberty.h"
93 /* Rather than duplicate all the logic in BFD for figuring out what
94 types to use (which can be pretty complicated), symply define them
95 in terms of the corresponding type from BFD. */
99 /* A byte from the program being debugged. */
100 typedef bfd_byte gdb_byte;
102 /* An address in the program being debugged. Host byte order. */
103 typedef bfd_vma CORE_ADDR;
105 /* The largest CORE_ADDR value. */
106 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
108 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
114 #define LONGEST BFD_HOST_64_BIT
115 #define ULONGEST BFD_HOST_U_64_BIT
119 #ifdef CC_HAS_LONG_LONG
120 #define LONGEST long long
121 #define ULONGEST unsigned long long
123 #ifdef BFD_HOST_64_BIT
124 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
125 (e.g. i386-windows) so try it. */
126 #define LONGEST BFD_HOST_64_BIT
127 #define ULONGEST BFD_HOST_U_64_BIT
130 #define ULONGEST unsigned long
134 #endif /* No BFD64 */
136 #endif /* ! LONGEST */
139 #define min(a, b) ((a) < (b) ? (a) : (b))
142 #define max(a, b) ((a) > (b) ? (a) : (b))
145 /* Check if a character is one of the commonly used C++ marker characters. */
146 extern int is_cplus_marker (int);
148 /* enable xdb commands if set */
149 extern int xdb_commands;
151 /* enable dbx commands if set */
152 extern int dbx_commands;
154 /* System root path, used to find libraries etc. */
155 extern char *gdb_sysroot;
157 /* GDB datadir, used to store data files. */
158 extern char *gdb_datadir;
160 /* If non-NULL, the possibly relocated path to python's "lib" directory
161 specified with --with-python. */
162 extern char *python_libdir;
164 /* Search path for separate debug files. */
165 extern char *debug_file_directory;
167 extern int quit_flag;
168 extern int immediate_quit;
169 extern int sevenbit_strings;
171 extern void quit (void);
173 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
174 benefits of having a ``QUIT'' macro rather than a function are
175 marginal. If the overhead of a QUIT function call is proving
176 significant then its calling frequency should probably be reduced
177 [kingdon]. A profile analyzing the current situtation is
181 if (quit_flag) quit (); \
182 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
185 /* Languages represented in the symbol table and elsewhere.
186 This should probably be in language.h, but since enum's can't
187 be forward declared to satisfy opaque references before their
188 actual definition, needs to be here. */
192 language_unknown, /* Language not known */
193 language_auto, /* Placeholder for automatic setting */
195 language_cplus, /* C++ */
197 language_objc, /* Objective-C */
198 language_java, /* Java */
199 language_fortran, /* Fortran */
200 language_m2, /* Modula-2 */
201 language_asm, /* Assembly language */
202 language_pascal, /* Pascal */
203 language_ada, /* Ada */
204 language_scm, /* Guile Scheme */
205 language_minimal, /* All other languages, minimal support only */
213 unspecified_precision
216 /* A generic, not quite boolean, enumeration. */
224 /* Potential ways that a function can return a value of a given type. */
225 enum return_value_convention
227 /* Where the return value has been squeezed into one or more
229 RETURN_VALUE_REGISTER_CONVENTION,
230 /* Commonly known as the "struct return convention". The caller
231 passes an additional hidden first parameter to the caller. That
232 parameter contains the address at which the value being returned
233 should be stored. While typically, and historically, used for
234 large structs, this is convention is applied to values of many
236 RETURN_VALUE_STRUCT_CONVENTION,
237 /* Like the "struct return convention" above, but where the ABI
238 guarantees that the called function stores the address at which
239 the value being returned is stored in a well-defined location,
240 such as a register or memory slot in the stack frame. Don't use
241 this if the ABI doesn't explicitly guarantees this. */
242 RETURN_VALUE_ABI_RETURNS_ADDRESS,
243 /* Like the "struct return convention" above, but where the ABI
244 guarantees that the address at which the value being returned is
245 stored will be available in a well-defined location, such as a
246 register or memory slot in the stack frame. Don't use this if
247 the ABI doesn't explicitly guarantees this. */
248 RETURN_VALUE_ABI_PRESERVES_ADDRESS,
251 /* the cleanup list records things that have to be undone
252 if an error happens (descriptors to be closed, memory to be freed, etc.)
253 Each link in the chain records a function to call and an
256 Use make_cleanup to add an element to the cleanup chain.
257 Use do_cleanups to do all cleanup actions back to a given
258 point in the chain. Use discard_cleanups to remove cleanups
259 from the chain back to a given point, not doing them.
261 If the argument is pointer to allocated memory, then you need to
262 to additionally set the 'free_arg' member to a function that will
263 free that memory. This function will be called both when the cleanup
264 is executed and when it's discarded. */
268 struct cleanup *next;
269 void (*function) (void *);
270 void (*free_arg) (void *);
274 /* Be conservative and use enum bitfields only with GCC.
275 This is copied from gcc 3.3.1, system.h. */
277 #if defined(__GNUC__) && (__GNUC__ >= 2)
278 #define ENUM_BITFIELD(TYPE) enum TYPE
280 #define ENUM_BITFIELD(TYPE) unsigned int
283 /* vec.h-style vectors of strings want a typedef for char * . */
285 typedef char * char_ptr;
287 /* Needed for various prototypes */
296 extern void initialize_utils (void);
298 extern void notice_quit (void);
300 extern int strcmp_iw (const char *, const char *);
302 extern int strcmp_iw_ordered (const char *, const char *);
304 extern int streq (const char *, const char *);
306 extern int subset_compare (char *, char *);
308 extern char *safe_strerror (int);
310 extern void set_display_time (int);
312 extern void set_display_space (int);
314 #define ALL_CLEANUPS ((struct cleanup *)0)
316 extern void do_cleanups (struct cleanup *);
317 extern void do_final_cleanups (struct cleanup *);
319 extern void discard_cleanups (struct cleanup *);
320 extern void discard_final_cleanups (struct cleanup *);
321 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
323 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
324 make_cleanup function declarations below. Do not use this typedef
325 as a cast when passing functions into the make_cleanup() code.
326 Instead either use a bounce function or add a wrapper function.
327 Calling a f(char*) function with f(void*) is non-portable. */
328 typedef void (make_cleanup_ftype) (void *);
330 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
332 extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
333 void (*dtor) (void *));
335 extern struct cleanup *make_cleanup_freeargv (char **);
338 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
340 struct section_addr_info;
341 extern struct cleanup *(make_cleanup_free_section_addr_info
342 (struct section_addr_info *));
344 extern struct cleanup *make_cleanup_close (int fd);
346 extern struct cleanup *make_cleanup_fclose (FILE *file);
348 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
351 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
353 extern struct cleanup *make_cleanup_restore_integer (int *variable);
354 extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
357 extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
359 extern struct cleanup *
360 make_cleanup_restore_ui_file (struct ui_file **variable);
362 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
364 extern struct cleanup *make_my_cleanup (struct cleanup **,
365 make_cleanup_ftype *, void *);
367 extern struct cleanup *make_my_cleanup2 (struct cleanup **,
368 make_cleanup_ftype *, void *,
369 void (*free_arg) (void *));
371 extern struct cleanup *save_cleanups (void);
372 extern struct cleanup *save_final_cleanups (void);
373 extern struct cleanup *save_my_cleanups (struct cleanup **);
375 extern void restore_cleanups (struct cleanup *);
376 extern void restore_final_cleanups (struct cleanup *);
377 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
379 extern void free_current_contents (void *);
381 extern void null_cleanup (void *);
383 extern struct cleanup *make_command_stats_cleanup (int);
385 extern int myread (int, char *, int);
387 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
388 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
389 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
391 extern void init_page_info (void);
393 extern struct cleanup *make_cleanup_restore_page_info (void);
394 extern struct cleanup *
395 set_batch_flag_and_make_cleanup_restore_page_info (void);
397 extern char *gdb_realpath (const char *);
398 extern char *xfullpath (const char *);
400 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
401 unsigned char *buf, size_t len);
403 ULONGEST strtoulst (const char *num, const char **trailer, int base);
405 char *ldirname (const char *filename);
407 char **gdb_buildargv (const char *);
409 int compare_positive_ints (const void *ap, const void *bp);
411 /* A wrapper for bfd_errmsg to produce a more helpful error message
412 in the case of bfd_error_file_ambiguously recognized.
413 MATCHING, if non-NULL, is the corresponding argument to
414 bfd_check_format_matches, and will be freed. */
416 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
418 extern int parse_pid_to_attach (char *args);
420 /* From demangle.c */
422 extern void set_demangling_style (char *);
425 /* Annotation stuff. */
427 extern int annotation_level; /* in stack.c */
429 extern void begin_line (void);
431 extern void wrap_here (char *);
433 extern void reinitialize_more_filter (void);
436 extern struct ui_file *gdb_stdout;
438 extern struct ui_file *gdb_stdin;
439 /* Serious error notifications */
440 extern struct ui_file *gdb_stderr;
441 /* Log/debug/trace messages that should bypass normal stdout/stderr
442 filtering. For moment, always call this stream using
443 *_unfiltered. In the very near future that restriction shall be
444 removed - either call shall be unfiltered. (cagney 1999-06-13). */
445 extern struct ui_file *gdb_stdlog;
446 /* Target output that should bypass normal stdout/stderr filtering.
447 For moment, always call this stream using *_unfiltered. In the
448 very near future that restriction shall be removed - either call
449 shall be unfiltered. (cagney 1999-07-02). */
450 extern struct ui_file *gdb_stdtarg;
451 extern struct ui_file *gdb_stdtargerr;
452 extern struct ui_file *gdb_stdtargin;
456 /* More generic printf like operations. Filtered versions may return
457 non-locally on error. */
459 extern void fputs_filtered (const char *, struct ui_file *);
461 extern void fputs_unfiltered (const char *, struct ui_file *);
463 extern int fputc_filtered (int c, struct ui_file *);
465 extern int fputc_unfiltered (int c, struct ui_file *);
467 extern int putchar_filtered (int c);
469 extern int putchar_unfiltered (int c);
471 extern void puts_filtered (const char *);
473 extern void puts_unfiltered (const char *);
475 extern void puts_filtered_tabular (char *string, int width, int right);
477 extern void puts_debug (char *prefix, char *string, char *suffix);
479 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
481 extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTRIBUTE_PRINTF (2, 0);
483 extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
485 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTRIBUTE_PRINTF (3, 4);
487 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
489 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
491 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
493 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTRIBUTE_PRINTF (2, 0);
495 extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
497 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
499 extern void print_spaces (int, struct ui_file *);
501 extern void print_spaces_filtered (int, struct ui_file *);
503 extern char *n_spaces (int);
505 extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);
507 extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);
509 extern void fputstrn_filtered (const char *str, int n, int quotr, struct ui_file * stream);
511 extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);
513 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
514 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
516 extern const char *host_address_to_string (const void *addr);
518 /* Convert CORE_ADDR to string in platform-specific manner.
519 This is usually formatted similar to 0x%lx. */
520 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
523 extern char *plongest (LONGEST l);
524 /* %u for ULONGEST */
525 extern char *pulongest (ULONGEST l);
527 extern char *phex (ULONGEST l, int sizeof_l);
528 extern char *phex_nz (ULONGEST l, int sizeof_l);
529 extern char *int_string (LONGEST, int, int, int, int);
531 /* Convert a CORE_ADDR into a HEX string with leading zeros.
532 The output from core_addr_to_string() can be passed direct to
533 string_to_core_addr(). */
534 extern const char *core_addr_to_string (const CORE_ADDR addr);
535 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
536 extern CORE_ADDR string_to_core_addr (const char *my_string);
538 /* Return a string that contains a number formatted as a hex
540 extern char *hex_string (LONGEST);
541 extern char *hex_string_custom (LONGEST, int);
543 extern void fprintf_symbol_filtered (struct ui_file *, char *,
546 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
548 extern void print_sys_errmsg (const char *, int);
550 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
551 "const char *" in unistd.h, so we can't declare the argument
554 extern char *re_comp (const char *);
558 extern void symbol_file_command (char *, int);
560 /* Remote targets may wish to use this as their load function. */
561 extern void generic_load (char *name, int from_tty);
563 /* Report on STREAM the performance of memory transfer operation,
565 DATA_COUNT is the number of bytes transferred.
566 WRITE_COUNT is the number of separate write operations, or 0,
567 if that information is not available.
568 START_TIME is the time at which an operation was started.
569 END_TIME is the time at which an operation ended. */
571 extern void print_transfer_performance (struct ui_file *stream,
572 unsigned long data_count,
573 unsigned long write_count,
574 const struct timeval *start_time,
575 const struct timeval *end_time);
579 typedef void initialize_file_ftype (void);
581 extern char *skip_quoted (char *);
583 extern char *gdb_readline (char *);
585 extern char *gdb_readline_wrapper (char *);
587 extern char *command_line_input (char *, int, char *);
589 extern void print_prompt (void);
591 extern int input_from_terminal_p (void);
593 extern int info_verbose;
595 /* From printcmd.c */
597 extern void set_next_address (struct gdbarch *, CORE_ADDR);
599 extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
600 struct ui_file *, int, char *);
602 extern int build_address_symbolic (struct gdbarch *,
611 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
612 extern const char *pc_prefix (CORE_ADDR);
616 #define OPF_TRY_CWD_FIRST 0x01
617 #define OPF_SEARCH_IN_PATH 0x02
619 extern int openp (const char *, int, const char *, int, char **);
621 extern int source_full_path_of (const char *, char **);
623 extern void mod_path (char *, char **);
625 extern void add_path (char *, char **, int);
627 extern void directory_command (char *, int);
629 extern void directory_switch (char *, int);
631 extern char *source_path;
633 extern void init_source_path (void);
637 /* Take over the 'find_mapped_memory' vector from exec.c. */
638 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR,
644 /* Possible lvalue types. Like enum language, this should be in
645 value.h, but needs to be here for the same reason. */
653 /* In a register. Registers are relative to a frame. */
655 /* In a gdb internal variable. */
657 /* Part of a gdb internal variable (structure field). */
658 lval_internalvar_component,
659 /* Value's bits are fetched and stored using functions provided by
664 /* Control types for commands */
666 enum misc_command_type
674 enum command_control_type
683 while_stepping_control,
687 /* Structure for saved commands lines
688 (for breakpoints, defined commands, etc). */
692 struct command_line *next;
694 enum command_control_type control_type;
695 /* The number of elements in body_list. */
697 /* For composite commands, the nested lists of
698 commands. For example, for "if" command this
699 will contain the then branch and the else
700 branch, if that is available. */
701 struct command_line **body_list;
704 extern struct command_line *read_command_lines (char *, int, int,
705 void (*)(char *, void *),
707 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
708 void (*)(char *, void *),
711 extern void free_command_lines (struct command_line **);
713 /* To continue the execution commands when running gdb asynchronously.
714 A continuation structure contains a pointer to a function to be called
715 to finish the command, once the target has stopped. Such mechanism is
716 used by the finish and until commands, and in the remote protocol
717 when opening an extended-remote connection. */
725 /* Thread specific continuations. */
727 extern void add_continuation (struct thread_info *,
728 void (*)(void *), void *,
730 extern void do_all_continuations (void);
731 extern void do_all_continuations_thread (struct thread_info *);
732 extern void discard_all_continuations (void);
733 extern void discard_all_continuations_thread (struct thread_info *);
735 extern void add_intermediate_continuation (struct thread_info *,
736 void (*)(void *), void *,
738 extern void do_all_intermediate_continuations (void);
739 extern void do_all_intermediate_continuations_thread (struct thread_info *);
740 extern void discard_all_intermediate_continuations (void);
741 extern void discard_all_intermediate_continuations_thread (struct thread_info *);
743 /* Inferior specific (any thread) continuations. */
745 extern void add_inferior_continuation (void (*) (void *),
748 extern void do_all_inferior_continuations (void);
749 extern void discard_all_inferior_continuations (struct inferior *inf);
751 /* String containing the current directory (what getwd would return). */
753 extern char *current_directory;
755 /* Default radixes for input and output. Only some values supported. */
756 extern unsigned input_radix;
757 extern unsigned output_radix;
759 /* Possibilities for prettyprint parameters to routines which print
760 things. Like enum language, this should be in value.h, but needs
761 to be here for the same reason. FIXME: If we can eliminate this
762 as an arg to LA_VAL_PRINT, then we can probably move it back to
767 Val_no_prettyprint = 0,
769 /* Use the default setting which the user has specified. */
773 /* The ptid struct is a collection of the various "ids" necessary
774 for identifying the inferior. This consists of the process id
775 (pid), thread id (tid), and other fields necessary for uniquely
776 identifying the inferior process/thread being debugged. When
777 manipulating ptids, the constructors, accessors, and predicate
778 declared in inferior.h should be used. These are as follows:
780 ptid_build - Make a new ptid from a pid, lwp, and tid.
781 pid_to_ptid - Make a new ptid from just a pid.
782 ptid_get_pid - Fetch the pid component of a ptid.
783 ptid_get_lwp - Fetch the lwp component of a ptid.
784 ptid_get_tid - Fetch the tid component of a ptid.
785 ptid_equal - Test to see if two ptids are equal.
786 ptid_is_pid - Test to see if this ptid represents a process id.
788 Please do NOT access the struct ptid members directly (except, of
789 course, in the implementation of the above ptid manipulation
797 /* Lightweight process id */
804 typedef struct ptid ptid_t;
808 /* Optional native machine support. Non-native (and possibly pure
809 multi-arch) targets do not need a "nm.h" file. This will be a
810 symlink to one of the nm-*.h files, built by the `configure'
817 /* Assume that fopen accepts the letter "b" in the mode string.
818 It is demanded by ISO C9X, and should be supported on all
819 platforms that claim to have a standard-conforming C library. On
820 true POSIX systems it will be ignored and have no effect. There
821 may still be systems without a standard-conforming C library where
822 an ISO C9X compiler (GCC) is available. Known examples are SunOS
823 4.x and 4.3BSD. This assumption means these systems are no longer
826 # include "fopen-bin.h"
829 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
830 FIXME: Assumes 2's complement arithmetic */
832 #if !defined (UINT_MAX)
833 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
836 #if !defined (INT_MAX)
837 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
840 #if !defined (INT_MIN)
841 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
844 #if !defined (ULONG_MAX)
845 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
848 #if !defined (LONG_MAX)
849 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
852 #if !defined (ULONGEST_MAX)
853 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
856 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
857 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
860 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
861 arguments to a function, number in a value history, register number, etc.)
862 where the value must not be larger than can fit in an int. */
864 extern int longest_to_int (LONGEST);
866 /* Assorted functions we can declare, now that const and volatile are
869 extern char *savestring (const char *, size_t);
871 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
873 extern void xfree (void *);
875 /* Like xmalloc, but zero the memory. */
876 extern void *xzalloc (size_t);
878 /* Utility macros to allocate typed memory. Avoids errors like:
879 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
880 sizeof (struct foo), 0). */
881 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
882 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
883 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
885 /* Like asprintf/vasprintf but get an internal_error if the call
887 extern void xasprintf (char **ret, const char *format, ...) ATTRIBUTE_PRINTF (2, 3);
888 extern void xvasprintf (char **ret, const char *format, va_list ap)
889 ATTRIBUTE_PRINTF (2, 0);
891 /* Like asprintf and vasprintf, but return the string, throw an error
893 extern char *xstrprintf (const char *format, ...) ATTRIBUTE_PRINTF (1, 2);
894 extern char *xstrvprintf (const char *format, va_list ap)
895 ATTRIBUTE_PRINTF (1, 0);
897 /* Like snprintf, but throw an error if the output buffer is too small. */
898 extern int xsnprintf (char *str, size_t size, const char *format, ...)
899 ATTRIBUTE_PRINTF (3, 4);
901 extern int parse_escape (struct gdbarch *, char **);
903 /* Message to be printed before the error message, when an error occurs. */
905 extern char *error_pre_print;
907 /* Message to be printed before the error message, when an error occurs. */
909 extern char *quit_pre_print;
911 /* Message to be printed before the warning message, when a warning occurs. */
913 extern char *warning_pre_print;
915 extern void verror (const char *fmt, va_list ap)
916 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
918 extern void error (const char *fmt, ...)
919 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
921 extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
923 extern void vfatal (const char *fmt, va_list ap)
924 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
926 extern void fatal (const char *fmt, ...)
927 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
929 extern void internal_verror (const char *file, int line, const char *,
931 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
933 extern void internal_error (const char *file, int line, const char *, ...)
934 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 4);
936 extern void internal_vwarning (const char *file, int line,
937 const char *, va_list ap)
938 ATTRIBUTE_PRINTF (3, 0);
940 extern void internal_warning (const char *file, int line,
941 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
943 extern void nomem (long) ATTRIBUTE_NORETURN;
945 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
947 extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
949 /* List of known OS ABIs. If you change this, make sure to update the
953 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
955 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
962 GDB_OSABI_FREEBSD_AOUT,
963 GDB_OSABI_FREEBSD_ELF,
964 GDB_OSABI_NETBSD_AOUT,
965 GDB_OSABI_NETBSD_ELF,
966 GDB_OSABI_OPENBSD_ELF,
980 GDB_OSABI_INVALID /* keep this last */
983 /* Global functions from other, non-gdb GNU thingies.
984 Libiberty thingies are no longer declared here. We include libiberty.h
987 /* From other system libraries */
997 #define min(a, b) ((a) < (b) ? (a) : (b))
1000 #define max(a, b) ((a) > (b) ? (a) : (b))
1005 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1008 /* Various possibilities for alloca. */
1011 #define alloca __builtin_alloca
1012 #else /* Not GNU C */
1013 #ifdef HAVE_ALLOCA_H
1020 /* We need to be careful not to declare this in a way which conflicts with
1021 bison. Bison never declares it as char *, but under various circumstances
1022 (like __hpux) we need to use void *. */
1023 extern void *alloca ();
1024 #endif /* Not _AIX */
1025 #endif /* Not HAVE_ALLOCA_H */
1026 #endif /* Not GNU C */
1027 #endif /* alloca not defined */
1029 /* Dynamic target-system-dependent parameters for GDB. */
1030 #include "gdbarch.h"
1032 /* Maximum size of a register. Something small, but large enough for
1033 all known ISAs. If it turns out to be too small, make it bigger. */
1035 enum { MAX_REGISTER_SIZE = 32 };
1037 /* Static target-system-dependent parameters for GDB. */
1039 /* Number of bits in a char or unsigned char for the target machine.
1040 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1041 #if !defined (TARGET_CHAR_BIT)
1042 #define TARGET_CHAR_BIT 8
1045 /* If we picked up a copy of CHAR_BIT from a configuration file
1046 (which may get it by including <limits.h>) then use it to set
1047 the number of bits in a host char. If not, use the same size
1050 #if defined (CHAR_BIT)
1051 #define HOST_CHAR_BIT CHAR_BIT
1053 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1058 extern LONGEST extract_signed_integer (const gdb_byte *, int,
1061 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
1064 extern int extract_long_unsigned_integer (const gdb_byte *, int,
1065 enum bfd_endian, LONGEST *);
1067 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1070 extern void store_signed_integer (gdb_byte *, int,
1071 enum bfd_endian, LONGEST);
1073 extern void store_unsigned_integer (gdb_byte *, int,
1074 enum bfd_endian, ULONGEST);
1076 extern void store_typed_address (gdb_byte *buf, struct type *type,
1082 extern int watchdog;
1084 /* Hooks for alternate command interfaces. */
1086 /* The name of the interpreter if specified on the command line. */
1087 extern char *interpreter_p;
1089 /* If a given interpreter matches INTERPRETER_P then it should update
1090 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1091 per-interpreter implementation. */
1092 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1093 should be moved here. */
1095 struct target_waitstatus;
1096 struct cmd_list_element;
1098 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1099 extern void (*deprecated_post_add_symbol_hook) (void);
1100 extern void (*selected_frame_level_changed_hook) (int);
1101 extern int (*deprecated_ui_loop_hook) (int signo);
1102 extern void (*deprecated_init_ui_hook) (char *argv0);
1103 extern void (*deprecated_command_loop_hook) (void);
1104 extern void (*deprecated_show_load_progress) (const char *section,
1105 unsigned long section_sent,
1106 unsigned long section_size,
1107 unsigned long total_sent,
1108 unsigned long total_size);
1109 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1110 int line, int stopline,
1112 extern int (*deprecated_query_hook) (const char *, va_list)
1113 ATTRIBUTE_FPTR_PRINTF(1,0);
1114 extern void (*deprecated_warning_hook) (const char *, va_list)
1115 ATTRIBUTE_FPTR_PRINTF(1,0);
1116 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1117 extern void (*deprecated_interactive_hook) (void);
1118 extern void (*deprecated_readline_begin_hook) (char *, ...)
1119 ATTRIBUTE_FPTR_PRINTF_1;
1120 extern char *(*deprecated_readline_hook) (char *);
1121 extern void (*deprecated_readline_end_hook) (void);
1122 extern void (*deprecated_register_changed_hook) (int regno);
1123 extern void (*deprecated_context_hook) (int);
1124 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1125 struct target_waitstatus *status,
1128 extern void (*deprecated_attach_hook) (void);
1129 extern void (*deprecated_detach_hook) (void);
1130 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1131 char *cmd, int from_tty);
1133 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1135 extern void (*deprecated_error_begin_hook) (void);
1137 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1141 /* Inhibit window interface if non-zero. */
1143 extern int use_windows;
1145 /* Definitions of filename-related things. */
1147 /* Host specific things. */
1151 # define GLOBAL_CURDIR
1152 # define DIRNAME_SEPARATOR ';'
1155 #if !defined (__CYGWIN__) && defined (_WIN32)
1156 # define DIRNAME_SEPARATOR ';'
1159 #ifndef DIRNAME_SEPARATOR
1160 #define DIRNAME_SEPARATOR ':'
1163 #ifndef SLASH_STRING
1164 #define SLASH_STRING "/"
1167 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1168 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1169 in the code actually refer to a lightweight process id, i.e,
1170 something that can be considered a process id in its own right for
1171 certain purposes. */
1174 #define PIDGET(PTID) (ptid_get_pid (PTID))
1175 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1176 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1179 /* Define well known filenos if the system does not define them. */
1180 #ifndef STDIN_FILENO
1181 #define STDIN_FILENO 0
1183 #ifndef STDOUT_FILENO
1184 #define STDOUT_FILENO 1
1186 #ifndef STDERR_FILENO
1187 #define STDERR_FILENO 2
1190 /* If this definition isn't overridden by the header files, assume
1191 that isatty and fileno exist on this system. */
1193 #define ISATTY(FP) (isatty (fileno (FP)))
1196 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1197 power of 2). Round up/down when necessary. Examples of correct
1200 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1201 write_memory (addr, value, len);
1206 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1207 write_memory (sp, value, len);
1209 Note that uses such as:
1211 write_memory (addr, value, len);
1212 addr += align_up (len, 8);
1216 sp -= align_up (len, 8);
1217 write_memory (sp, value, len);
1219 are typically not correct as they don't ensure that the address (SP
1220 or ADDR) is correctly aligned (relying on previous alignment to
1221 keep things right). This is also why the methods are called
1222 "align_..." instead of "round_..." as the latter reads better with
1223 this incorrect coding style. */
1225 extern ULONGEST align_up (ULONGEST v, int n);
1226 extern ULONGEST align_down (ULONGEST v, int n);
1228 /* Allocation and deallocation functions for the libiberty hash table
1229 which use obstacks. */
1230 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1231 void dummy_obstack_deallocate (void *object, void *data);
1233 /* From progspace.c */
1235 extern void initialize_progspace (void);
1236 extern void initialize_inferiors (void);
1238 #endif /* #ifndef DEFS_H */