1 /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
3 /* Basic, host-specific, and target-specific definitions for GDB.
4 Copyright (C) 1986, 1988-2005, 2007-2012 Free Software Foundation,
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/>. */
26 # error gdbserver should not include gdb/defs.h
29 #include "config.h" /* Generated by configure. */
31 #include <sys/types.h>
33 #include <errno.h> /* System call error return status. */
37 /* The libdecnumber library, on which GDB depends, includes a header file
38 called gstdint.h instead of relying directly on stdint.h. GDB, on the
39 other hand, includes stdint.h directly, relying on the fact that gnulib
40 generates a copy if the system doesn't provide one or if it is missing
41 some features. Unfortunately, gstdint.h and stdint.h cannot be included
42 at the same time, which may happen when we include a file from
45 The following macro definition effectively prevents the inclusion of
46 gstdint.h, as all the definitions it provides are guarded against
47 the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h
48 included, so it's ok to blank out gstdint.h. */
49 #define GCC_GENERATED_STDINT_H 1
61 /* First include ansidecl.h so we can use the various macro definitions
62 here and in all subsequent file inclusions. */
66 #include "gdb_locale.h"
68 #include "gdb_wchar.h"
70 /* For ``enum gdb_signal''. */
71 #include "gdb/signals.h"
73 /* Just in case they're not defined in stdio.h. */
82 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
83 It is used as an access modifier in calls to open(), where it acts
84 similarly to the "b" character in fopen()'s MODE argument. On Posix
85 platforms it should be a no-op, so it is defined as 0 here. This
86 ensures that the symbol may be used freely elsewhere in gdb. */
92 #include <stdarg.h> /* For va_list. */
94 #include "libiberty.h"
97 /* Rather than duplicate all the logic in BFD for figuring out what
98 types to use (which can be pretty complicated), symply define them
99 in terms of the corresponding type from BFD. */
103 /* A byte from the program being debugged. */
104 typedef bfd_byte gdb_byte;
106 /* An address in the program being debugged. Host byte order. */
107 typedef bfd_vma CORE_ADDR;
109 /* The largest CORE_ADDR value. */
110 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
112 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
118 #define LONGEST BFD_HOST_64_BIT
119 #define ULONGEST BFD_HOST_U_64_BIT
123 #ifdef CC_HAS_LONG_LONG
124 #define LONGEST long long
125 #define ULONGEST unsigned long long
127 #ifdef BFD_HOST_64_BIT
128 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
129 (e.g. i386-windows) so try it. */
130 #define LONGEST BFD_HOST_64_BIT
131 #define ULONGEST BFD_HOST_U_64_BIT
134 #define ULONGEST unsigned long
138 #endif /* No BFD64 */
140 #endif /* ! LONGEST */
143 #define min(a, b) ((a) < (b) ? (a) : (b))
146 #define max(a, b) ((a) > (b) ? (a) : (b))
151 /* Enable xdb commands if set. */
152 extern int xdb_commands;
154 /* Enable dbx commands if set. */
155 extern int dbx_commands;
157 /* System root path, used to find libraries etc. */
158 extern char *gdb_sysroot;
160 /* GDB datadir, used to store data files. */
161 extern char *gdb_datadir;
163 /* If non-NULL, the possibly relocated path to python's "lib" directory
164 specified with --with-python. */
165 extern char *python_libdir;
167 /* Search path for separate debug files. */
168 extern char *debug_file_directory;
170 extern int quit_flag;
171 extern int immediate_quit;
172 extern int sevenbit_strings;
174 extern void quit (void);
176 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
177 benefits of having a ``QUIT'' macro rather than a function are
178 marginal. If the overhead of a QUIT function call is proving
179 significant then its calling frequency should probably be reduced
180 [kingdon]. A profile analyzing the current situtation is
184 if (quit_flag) quit (); \
185 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
188 /* Languages represented in the symbol table and elsewhere.
189 This should probably be in language.h, but since enum's can't
190 be forward declared to satisfy opaque references before their
191 actual definition, needs to be here. */
195 language_unknown, /* Language not known */
196 language_auto, /* Placeholder for automatic setting */
198 language_cplus, /* C++ */
200 language_go, /* Go */
201 language_objc, /* Objective-C */
202 language_java, /* Java */
203 language_fortran, /* Fortran */
204 language_m2, /* Modula-2 */
205 language_asm, /* Assembly language */
206 language_pascal, /* Pascal */
207 language_ada, /* Ada */
208 language_opencl, /* OpenCL */
209 language_minimal, /* All other languages, minimal support only */
217 unspecified_precision
220 /* A generic, not quite boolean, enumeration. */
228 /* Potential ways that a function can return a value of a given type. */
229 enum return_value_convention
231 /* Where the return value has been squeezed into one or more
233 RETURN_VALUE_REGISTER_CONVENTION,
234 /* Commonly known as the "struct return convention". The caller
235 passes an additional hidden first parameter to the caller. That
236 parameter contains the address at which the value being returned
237 should be stored. While typically, and historically, used for
238 large structs, this is convention is applied to values of many
240 RETURN_VALUE_STRUCT_CONVENTION,
241 /* Like the "struct return convention" above, but where the ABI
242 guarantees that the called function stores the address at which
243 the value being returned is stored in a well-defined location,
244 such as a register or memory slot in the stack frame. Don't use
245 this if the ABI doesn't explicitly guarantees this. */
246 RETURN_VALUE_ABI_RETURNS_ADDRESS,
247 /* Like the "struct return convention" above, but where the ABI
248 guarantees that the address at which the value being returned is
249 stored will be available in a well-defined location, such as a
250 register or memory slot in the stack frame. Don't use this if
251 the ABI doesn't explicitly guarantees this. */
252 RETURN_VALUE_ABI_PRESERVES_ADDRESS,
255 /* vec.h-style vectors of strings want a typedef for char * or const char *. */
257 typedef char * char_ptr;
258 typedef const char * const_char_ptr;
260 /* Needed for various prototypes */
270 /* This really belong in utils.c (path-utils.c?), but it references some
271 globals that are currently only available to main.c. */
272 extern char *relocate_gdb_directory (const char *initial, int flag);
276 extern void initialize_utils (void);
278 extern void notice_quit (void);
280 extern int strcmp_iw (const char *, const char *);
282 extern int strcmp_iw_ordered (const char *, const char *);
284 extern int streq (const char *, const char *);
286 extern int subset_compare (char *, char *);
288 extern char *safe_strerror (int);
290 extern void set_display_time (int);
292 extern void set_display_space (int);
294 /* Cleanup utilities. */
296 #include "cleanups.h"
298 extern struct cleanup *make_cleanup_freeargv (char **);
301 extern struct cleanup *make_cleanup_dyn_string_delete (struct dyn_string *);
304 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
307 extern struct cleanup *
308 make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
310 struct section_addr_info;
311 extern struct cleanup *(make_cleanup_free_section_addr_info
312 (struct section_addr_info *));
314 extern struct cleanup *make_cleanup_close (int fd);
316 extern struct cleanup *make_cleanup_fclose (FILE *file);
318 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
321 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
323 extern struct cleanup *make_cleanup_restore_integer (int *variable);
324 extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
327 extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
329 extern struct cleanup *
330 make_cleanup_restore_ui_file (struct ui_file **variable);
332 extern struct cleanup *make_cleanup_value_free_to_mark (struct value *);
333 extern struct cleanup *make_cleanup_value_free (struct value *);
336 extern struct cleanup *make_cleanup_free_so (struct so_list *so);
338 extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
340 extern void free_current_contents (void *);
342 extern struct cleanup *make_command_stats_cleanup (int);
344 extern int myread (int, char *, int);
346 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
347 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
348 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
350 extern void init_page_info (void);
352 extern struct cleanup *make_cleanup_restore_page_info (void);
353 extern struct cleanup *
354 set_batch_flag_and_make_cleanup_restore_page_info (void);
356 extern char *gdb_realpath (const char *);
357 extern char *xfullpath (const char *);
359 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
360 unsigned char *buf, size_t len);
362 ULONGEST strtoulst (const char *num, const char **trailer, int base);
364 char *ldirname (const char *filename);
366 char **gdb_buildargv (const char *);
368 int compare_positive_ints (const void *ap, const void *bp);
369 int compare_strings (const void *ap, const void *bp);
371 /* A wrapper for bfd_errmsg to produce a more helpful error message
372 in the case of bfd_error_file_ambiguously recognized.
373 MATCHING, if non-NULL, is the corresponding argument to
374 bfd_check_format_matches, and will be freed. */
376 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
378 extern int parse_pid_to_attach (char *args);
380 extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
382 extern int producer_is_gcc_ge_4 (const char *producer);
384 extern void substitute_path_component (char **stringp, const char *from,
388 extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
391 extern int gdb_filename_fnmatch (const char *pattern, const char *string,
395 /* Annotation stuff. */
397 extern int annotation_level; /* in stack.c */
399 extern void begin_line (void);
401 extern void wrap_here (char *);
403 extern void reinitialize_more_filter (void);
406 extern struct ui_file *gdb_stdout;
408 extern struct ui_file *gdb_stdin;
409 /* Serious error notifications */
410 extern struct ui_file *gdb_stderr;
411 /* Log/debug/trace messages that should bypass normal stdout/stderr
412 filtering. For moment, always call this stream using
413 *_unfiltered. In the very near future that restriction shall be
414 removed - either call shall be unfiltered. (cagney 1999-06-13). */
415 extern struct ui_file *gdb_stdlog;
416 /* Target output that should bypass normal stdout/stderr filtering.
417 For moment, always call this stream using *_unfiltered. In the
418 very near future that restriction shall be removed - either call
419 shall be unfiltered. (cagney 1999-07-02). */
420 extern struct ui_file *gdb_stdtarg;
421 extern struct ui_file *gdb_stdtargerr;
422 extern struct ui_file *gdb_stdtargin;
426 /* More generic printf like operations. Filtered versions may return
427 non-locally on error. */
429 extern void fputs_filtered (const char *, struct ui_file *);
431 extern void fputs_unfiltered (const char *, struct ui_file *);
433 extern int fputc_filtered (int c, struct ui_file *);
435 extern int fputc_unfiltered (int c, struct ui_file *);
437 extern int putchar_filtered (int c);
439 extern int putchar_unfiltered (int c);
441 extern void puts_filtered (const char *);
443 extern void puts_unfiltered (const char *);
445 extern void puts_filtered_tabular (char *string, int width, int right);
447 extern void puts_debug (char *prefix, char *string, char *suffix);
449 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
451 extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
452 ATTRIBUTE_PRINTF (2, 0);
454 extern void fprintf_filtered (struct ui_file *, const char *, ...)
455 ATTRIBUTE_PRINTF (2, 3);
457 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
458 ATTRIBUTE_PRINTF (3, 4);
460 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
462 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
464 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
466 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
467 ATTRIBUTE_PRINTF (2, 0);
469 extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
470 ATTRIBUTE_PRINTF (2, 3);
472 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
474 extern void print_spaces (int, struct ui_file *);
476 extern void print_spaces_filtered (int, struct ui_file *);
478 extern char *n_spaces (int);
480 extern void fputstr_filtered (const char *str, int quotr,
481 struct ui_file * stream);
483 extern void fputstr_unfiltered (const char *str, int quotr,
484 struct ui_file * stream);
486 extern void fputstrn_filtered (const char *str, int n, int quotr,
487 struct ui_file * stream);
489 extern void fputstrn_unfiltered (const char *str, int n, int quotr,
490 struct ui_file * stream);
492 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
493 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
495 extern const char *host_address_to_string (const void *addr);
497 /* Convert CORE_ADDR to string in platform-specific manner.
498 This is usually formatted similar to 0x%lx. */
499 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
501 /* Return a string representation in hexadecimal notation of ADDRESS,
502 which is suitable for printing. */
504 extern const char *print_core_address (struct gdbarch *gdbarch,
507 /* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
509 extern hashval_t core_addr_hash (const void *ap);
510 extern int core_addr_eq (const void *ap, const void *bp);
513 extern char *plongest (LONGEST l);
514 /* %u for ULONGEST */
515 extern char *pulongest (ULONGEST l);
517 extern char *phex (ULONGEST l, int sizeof_l);
518 extern char *phex_nz (ULONGEST l, int sizeof_l);
519 extern char *int_string (LONGEST, int, int, int, int);
521 /* Convert a CORE_ADDR into a HEX string with leading zeros.
522 The output from core_addr_to_string() can be passed direct to
523 string_to_core_addr(). */
524 extern const char *core_addr_to_string (const CORE_ADDR addr);
525 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
526 extern CORE_ADDR string_to_core_addr (const char *my_string);
528 /* Return a string that contains a number formatted as a hex
530 extern char *hex_string (LONGEST);
531 extern char *hex_string_custom (LONGEST, int);
533 extern void fprintf_symbol_filtered (struct ui_file *, const char *,
536 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
538 extern void print_sys_errmsg (const char *, int);
540 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
541 "const char *" in unistd.h, so we can't declare the argument
544 extern char *re_comp (const char *);
548 extern void symbol_file_command (char *, int);
550 /* Remote targets may wish to use this as their load function. */
551 extern void generic_load (char *name, int from_tty);
553 /* Report on STREAM the performance of memory transfer operation,
555 DATA_COUNT is the number of bytes transferred.
556 WRITE_COUNT is the number of separate write operations, or 0,
557 if that information is not available.
558 START_TIME is the time at which an operation was started.
559 END_TIME is the time at which an operation ended. */
561 extern void print_transfer_performance (struct ui_file *stream,
562 unsigned long data_count,
563 unsigned long write_count,
564 const struct timeval *start_time,
565 const struct timeval *end_time);
569 typedef void initialize_file_ftype (void);
571 extern char *skip_quoted (char *);
573 extern char *gdb_readline (char *);
575 extern char *gdb_readline_wrapper (char *);
577 extern char *command_line_input (char *, int, char *);
579 extern void print_prompt (void);
581 extern int input_from_terminal_p (void);
583 extern int info_verbose;
585 /* From printcmd.c */
587 extern void set_next_address (struct gdbarch *, CORE_ADDR);
589 extern int print_address_symbolic (struct gdbarch *, CORE_ADDR,
590 struct ui_file *, int, char *);
592 extern int build_address_symbolic (struct gdbarch *,
601 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
602 extern const char *pc_prefix (CORE_ADDR);
606 #define OPF_TRY_CWD_FIRST 0x01
607 #define OPF_SEARCH_IN_PATH 0x02
609 extern int openp (const char *, int, const char *, int, char **);
611 extern int source_full_path_of (const char *, char **);
613 extern void mod_path (char *, char **);
615 extern void add_path (char *, char **, int);
617 extern void directory_command (char *, int);
619 extern void directory_switch (char *, int);
621 extern char *source_path;
623 extern void init_source_path (void);
627 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
628 int read, int write, int exec,
631 /* Take over the 'find_mapped_memory' vector from exec.c. */
632 extern void exec_set_find_memory_regions
633 (int (*func) (find_memory_region_ftype func, void *data));
635 /* Possible lvalue types. Like enum language, this should be in
636 value.h, but needs to be here for the same reason. */
644 /* In a register. Registers are relative to a frame. */
646 /* In a gdb internal variable. */
648 /* Part of a gdb internal variable (structure field). */
649 lval_internalvar_component,
650 /* Value's bits are fetched and stored using functions provided by
655 /* Control types for commands */
657 enum misc_command_type
665 enum command_control_type
674 while_stepping_control,
678 /* Structure for saved commands lines
679 (for breakpoints, defined commands, etc). */
683 struct command_line *next;
685 enum command_control_type control_type;
686 /* The number of elements in body_list. */
688 /* For composite commands, the nested lists of commands. For
689 example, for "if" command this will contain the then branch and
690 the else branch, if that is available. */
691 struct command_line **body_list;
694 extern struct command_line *read_command_lines (char *, int, int,
695 void (*)(char *, void *),
697 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
698 void (*)(char *, void *),
701 extern void free_command_lines (struct command_line **);
703 /* Parameters of the "info proc" command. */
707 /* Display the default cmdline, cwd and exe outputs. */
710 /* Display `info proc mappings'. */
713 /* Display `info proc status'. */
716 /* Display `info proc stat'. */
719 /* Display `info proc cmdline'. */
722 /* Display `info proc exe'. */
725 /* Display `info proc cwd'. */
728 /* Display all of the above. */
732 /* String containing the current directory (what getwd would return). */
734 extern char *current_directory;
736 /* Default radixes for input and output. Only some values supported. */
737 extern unsigned input_radix;
738 extern unsigned output_radix;
740 /* Possibilities for prettyprint parameters to routines which print
741 things. Like enum language, this should be in value.h, but needs
742 to be here for the same reason. FIXME: If we can eliminate this
743 as an arg to LA_VAL_PRINT, then we can probably move it back to
748 Val_no_prettyprint = 0,
750 /* Use the default setting which the user has specified. */
754 /* Optional native machine support. Non-native (and possibly pure
755 multi-arch) targets do not need a "nm.h" file. This will be a
756 symlink to one of the nm-*.h files, built by the `configure'
763 /* Assume that fopen accepts the letter "b" in the mode string.
764 It is demanded by ISO C9X, and should be supported on all
765 platforms that claim to have a standard-conforming C library. On
766 true POSIX systems it will be ignored and have no effect. There
767 may still be systems without a standard-conforming C library where
768 an ISO C9X compiler (GCC) is available. Known examples are SunOS
769 4.x and 4.3BSD. This assumption means these systems are no longer
772 # include "fopen-bin.h"
775 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
776 FIXME: Assumes 2's complement arithmetic. */
778 #if !defined (UINT_MAX)
779 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
782 #if !defined (INT_MAX)
783 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
786 #if !defined (INT_MIN)
787 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
790 #if !defined (ULONG_MAX)
791 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
794 #if !defined (LONG_MAX)
795 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
798 #if !defined (ULONGEST_MAX)
799 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
802 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
803 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
806 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
807 arguments to a function, number in a value history, register number, etc.)
808 where the value must not be larger than can fit in an int. */
810 extern int longest_to_int (LONGEST);
812 /* Assorted functions we can declare, now that const and volatile are
815 extern char *savestring (const char *, size_t);
817 /* Utility macros to allocate typed memory. Avoids errors like:
818 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
819 sizeof (struct foo), 0). */
820 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
821 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
822 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
824 #include "common-utils.h"
826 extern int parse_escape (struct gdbarch *, char **);
828 /* Message to be printed before the error message, when an error occurs. */
830 extern char *error_pre_print;
832 /* Message to be printed before the error message, when an error occurs. */
834 extern char *quit_pre_print;
836 /* Message to be printed before the warning message, when a warning occurs. */
838 extern char *warning_pre_print;
840 extern void verror (const char *fmt, va_list ap)
841 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
843 extern void error (const char *fmt, ...)
844 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
846 extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
848 extern void vfatal (const char *fmt, va_list ap)
849 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
851 extern void fatal (const char *fmt, ...)
852 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
854 extern void internal_verror (const char *file, int line, const char *,
856 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
858 extern void internal_vwarning (const char *file, int line,
859 const char *, va_list ap)
860 ATTRIBUTE_PRINTF (3, 0);
862 extern void internal_warning (const char *file, int line,
863 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
865 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
867 extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
869 /* List of known OS ABIs. If you change this, make sure to update the
873 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
875 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
882 GDB_OSABI_FREEBSD_AOUT,
883 GDB_OSABI_FREEBSD_ELF,
884 GDB_OSABI_NETBSD_AOUT,
885 GDB_OSABI_NETBSD_ELF,
886 GDB_OSABI_OPENBSD_ELF,
901 GDB_OSABI_INVALID /* keep this last */
904 /* Global functions from other, non-gdb GNU thingies.
905 Libiberty thingies are no longer declared here. We include libiberty.h
908 /* From other system libraries */
918 #define min(a, b) ((a) < (b) ? (a) : (b))
921 #define max(a, b) ((a) > (b) ? (a) : (b))
926 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
929 /* Various possibilities for alloca. */
932 #define alloca __builtin_alloca
933 #else /* Not GNU C */
941 /* We need to be careful not to declare this in a way which conflicts with
942 bison. Bison never declares it as char *, but under various circumstances
943 (like __hpux) we need to use void *. */
944 extern void *alloca ();
945 #endif /* Not _AIX */
946 #endif /* Not HAVE_ALLOCA_H */
947 #endif /* Not GNU C */
948 #endif /* alloca not defined */
950 /* Dynamic target-system-dependent parameters for GDB. */
953 /* Maximum size of a register. Something small, but large enough for
954 all known ISAs. If it turns out to be too small, make it bigger. */
956 enum { MAX_REGISTER_SIZE = 64 };
958 /* Static target-system-dependent parameters for GDB. */
960 /* Number of bits in a char or unsigned char for the target machine.
961 Just like CHAR_BIT in <limits.h> but describes the target machine. */
962 #if !defined (TARGET_CHAR_BIT)
963 #define TARGET_CHAR_BIT 8
966 /* If we picked up a copy of CHAR_BIT from a configuration file
967 (which may get it by including <limits.h>) then use it to set
968 the number of bits in a host char. If not, use the same size
971 #if defined (CHAR_BIT)
972 #define HOST_CHAR_BIT CHAR_BIT
974 #define HOST_CHAR_BIT TARGET_CHAR_BIT
979 extern LONGEST extract_signed_integer (const gdb_byte *, int,
982 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
985 extern int extract_long_unsigned_integer (const gdb_byte *, int,
986 enum bfd_endian, LONGEST *);
988 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
991 extern void store_signed_integer (gdb_byte *, int,
992 enum bfd_endian, LONGEST);
994 extern void store_unsigned_integer (gdb_byte *, int,
995 enum bfd_endian, ULONGEST);
997 extern void store_typed_address (gdb_byte *buf, struct type *type,
1003 extern int watchdog;
1005 /* Hooks for alternate command interfaces. */
1007 /* The name of the interpreter if specified on the command line. */
1008 extern char *interpreter_p;
1010 /* If a given interpreter matches INTERPRETER_P then it should update
1011 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1012 per-interpreter implementation. */
1013 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1014 should be moved here. */
1016 struct target_waitstatus;
1017 struct cmd_list_element;
1019 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1020 extern void (*deprecated_post_add_symbol_hook) (void);
1021 extern void (*selected_frame_level_changed_hook) (int);
1022 extern int (*deprecated_ui_loop_hook) (int signo);
1023 extern void (*deprecated_init_ui_hook) (char *argv0);
1024 extern void (*deprecated_command_loop_hook) (void);
1025 extern void (*deprecated_show_load_progress) (const char *section,
1026 unsigned long section_sent,
1027 unsigned long section_size,
1028 unsigned long total_sent,
1029 unsigned long total_size);
1030 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1034 extern int (*deprecated_query_hook) (const char *, va_list)
1035 ATTRIBUTE_FPTR_PRINTF(1,0);
1036 extern void (*deprecated_warning_hook) (const char *, va_list)
1037 ATTRIBUTE_FPTR_PRINTF(1,0);
1038 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1039 extern void (*deprecated_interactive_hook) (void);
1040 extern void (*deprecated_readline_begin_hook) (char *, ...)
1041 ATTRIBUTE_FPTR_PRINTF_1;
1042 extern char *(*deprecated_readline_hook) (char *);
1043 extern void (*deprecated_readline_end_hook) (void);
1044 extern void (*deprecated_register_changed_hook) (int regno);
1045 extern void (*deprecated_context_hook) (int);
1046 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1047 struct target_waitstatus *status,
1050 extern void (*deprecated_attach_hook) (void);
1051 extern void (*deprecated_detach_hook) (void);
1052 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1053 char *cmd, int from_tty);
1055 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1057 extern void (*deprecated_error_begin_hook) (void);
1059 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1063 /* Inhibit window interface if non-zero. */
1065 extern int use_windows;
1067 /* Definitions of filename-related things. */
1069 /* Host specific things. */
1073 # define GLOBAL_CURDIR
1074 # define DIRNAME_SEPARATOR ';'
1077 #if !defined (__CYGWIN__) && defined (_WIN32)
1078 # define DIRNAME_SEPARATOR ';'
1081 #ifndef DIRNAME_SEPARATOR
1082 #define DIRNAME_SEPARATOR ':'
1085 #ifndef SLASH_STRING
1086 #define SLASH_STRING "/"
1089 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1090 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1091 in the code actually refer to a lightweight process id, i.e,
1092 something that can be considered a process id in its own right for
1093 certain purposes. */
1096 #define PIDGET(PTID) (ptid_get_pid (PTID))
1097 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1098 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1101 /* Define well known filenos if the system does not define them. */
1102 #ifndef STDIN_FILENO
1103 #define STDIN_FILENO 0
1105 #ifndef STDOUT_FILENO
1106 #define STDOUT_FILENO 1
1108 #ifndef STDERR_FILENO
1109 #define STDERR_FILENO 2
1112 /* If this definition isn't overridden by the header files, assume
1113 that isatty and fileno exist on this system. */
1115 #define ISATTY(FP) (isatty (fileno (FP)))
1118 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1119 power of 2). Round up/down when necessary. Examples of correct
1122 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1123 write_memory (addr, value, len);
1128 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1129 write_memory (sp, value, len);
1131 Note that uses such as:
1133 write_memory (addr, value, len);
1134 addr += align_up (len, 8);
1138 sp -= align_up (len, 8);
1139 write_memory (sp, value, len);
1141 are typically not correct as they don't ensure that the address (SP
1142 or ADDR) is correctly aligned (relying on previous alignment to
1143 keep things right). This is also why the methods are called
1144 "align_..." instead of "round_..." as the latter reads better with
1145 this incorrect coding style. */
1147 extern ULONGEST align_up (ULONGEST v, int n);
1148 extern ULONGEST align_down (ULONGEST v, int n);
1150 /* Allocation and deallocation functions for the libiberty hash table
1151 which use obstacks. */
1152 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1153 void dummy_obstack_deallocate (void *object, void *data);
1155 /* From progspace.c */
1157 extern void initialize_progspace (void);
1158 extern void initialize_inferiors (void);
1160 /* Special block numbers */
1166 FIRST_LOCAL_BLOCK = 2
1169 #endif /* #ifndef DEFS_H */