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 target_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);
392 /* Annotation stuff. */
394 extern int annotation_level; /* in stack.c */
396 extern void begin_line (void);
398 extern void wrap_here (char *);
400 extern void reinitialize_more_filter (void);
403 extern struct ui_file *gdb_stdout;
405 extern struct ui_file *gdb_stdin;
406 /* Serious error notifications */
407 extern struct ui_file *gdb_stderr;
408 /* Log/debug/trace messages that should bypass normal stdout/stderr
409 filtering. For moment, always call this stream using
410 *_unfiltered. In the very near future that restriction shall be
411 removed - either call shall be unfiltered. (cagney 1999-06-13). */
412 extern struct ui_file *gdb_stdlog;
413 /* Target output that should bypass normal stdout/stderr filtering.
414 For moment, always call this stream using *_unfiltered. In the
415 very near future that restriction shall be removed - either call
416 shall be unfiltered. (cagney 1999-07-02). */
417 extern struct ui_file *gdb_stdtarg;
418 extern struct ui_file *gdb_stdtargerr;
419 extern struct ui_file *gdb_stdtargin;
423 /* More generic printf like operations. Filtered versions may return
424 non-locally on error. */
426 extern void fputs_filtered (const char *, struct ui_file *);
428 extern void fputs_unfiltered (const char *, struct ui_file *);
430 extern int fputc_filtered (int c, struct ui_file *);
432 extern int fputc_unfiltered (int c, struct ui_file *);
434 extern int putchar_filtered (int c);
436 extern int putchar_unfiltered (int c);
438 extern void puts_filtered (const char *);
440 extern void puts_unfiltered (const char *);
442 extern void puts_filtered_tabular (char *string, int width, int right);
444 extern void puts_debug (char *prefix, char *string, char *suffix);
446 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
448 extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
449 ATTRIBUTE_PRINTF (2, 0);
451 extern void fprintf_filtered (struct ui_file *, const char *, ...)
452 ATTRIBUTE_PRINTF (2, 3);
454 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
455 ATTRIBUTE_PRINTF (3, 4);
457 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
459 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
461 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
463 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
464 ATTRIBUTE_PRINTF (2, 0);
466 extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
467 ATTRIBUTE_PRINTF (2, 3);
469 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
471 extern void print_spaces (int, struct ui_file *);
473 extern void print_spaces_filtered (int, struct ui_file *);
475 extern char *n_spaces (int);
477 extern void fputstr_filtered (const char *str, int quotr,
478 struct ui_file * stream);
480 extern void fputstr_unfiltered (const char *str, int quotr,
481 struct ui_file * stream);
483 extern void fputstrn_filtered (const char *str, int n, int quotr,
484 struct ui_file * stream);
486 extern void fputstrn_unfiltered (const char *str, int n, int quotr,
487 struct ui_file * stream);
489 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
490 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
492 extern const char *host_address_to_string (const void *addr);
494 /* Convert CORE_ADDR to string in platform-specific manner.
495 This is usually formatted similar to 0x%lx. */
496 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
498 /* Return a string representation in hexadecimal notation of ADDRESS,
499 which is suitable for printing. */
501 extern const char *print_core_address (struct gdbarch *gdbarch,
504 /* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
506 extern hashval_t core_addr_hash (const void *ap);
507 extern int core_addr_eq (const void *ap, const void *bp);
510 extern char *plongest (LONGEST l);
511 /* %u for ULONGEST */
512 extern char *pulongest (ULONGEST l);
514 extern char *phex (ULONGEST l, int sizeof_l);
515 extern char *phex_nz (ULONGEST l, int sizeof_l);
516 extern char *int_string (LONGEST, int, int, int, int);
518 /* Convert a CORE_ADDR into a HEX string with leading zeros.
519 The output from core_addr_to_string() can be passed direct to
520 string_to_core_addr(). */
521 extern const char *core_addr_to_string (const CORE_ADDR addr);
522 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
523 extern CORE_ADDR string_to_core_addr (const char *my_string);
525 /* Return a string that contains a number formatted as a hex
527 extern char *hex_string (LONGEST);
528 extern char *hex_string_custom (LONGEST, int);
530 extern void fprintf_symbol_filtered (struct ui_file *, const char *,
533 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
535 extern void print_sys_errmsg (const char *, int);
537 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
538 "const char *" in unistd.h, so we can't declare the argument
541 extern char *re_comp (const char *);
545 extern void symbol_file_command (char *, int);
547 /* Remote targets may wish to use this as their load function. */
548 extern void generic_load (char *name, int from_tty);
550 /* Report on STREAM the performance of memory transfer operation,
552 DATA_COUNT is the number of bytes transferred.
553 WRITE_COUNT is the number of separate write operations, or 0,
554 if that information is not available.
555 START_TIME is the time at which an operation was started.
556 END_TIME is the time at which an operation ended. */
558 extern void print_transfer_performance (struct ui_file *stream,
559 unsigned long data_count,
560 unsigned long write_count,
561 const struct timeval *start_time,
562 const struct timeval *end_time);
566 typedef void initialize_file_ftype (void);
568 extern char *skip_quoted (char *);
570 extern char *gdb_readline (char *);
572 extern char *gdb_readline_wrapper (char *);
574 extern char *command_line_input (char *, int, char *);
576 extern void print_prompt (void);
578 extern int input_from_terminal_p (void);
580 extern int info_verbose;
582 /* From printcmd.c */
584 extern void set_next_address (struct gdbarch *, CORE_ADDR);
586 extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
587 struct ui_file *, int, char *);
589 extern int build_address_symbolic (struct gdbarch *,
598 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
599 extern const char *pc_prefix (CORE_ADDR);
603 #define OPF_TRY_CWD_FIRST 0x01
604 #define OPF_SEARCH_IN_PATH 0x02
606 extern int openp (const char *, int, const char *, int, char **);
608 extern int source_full_path_of (const char *, char **);
610 extern void mod_path (char *, char **);
612 extern void add_path (char *, char **, int);
614 extern void directory_command (char *, int);
616 extern void directory_switch (char *, int);
618 extern char *source_path;
620 extern void init_source_path (void);
624 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
625 int read, int write, int exec,
628 /* Take over the 'find_mapped_memory' vector from exec.c. */
629 extern void exec_set_find_memory_regions
630 (int (*func) (find_memory_region_ftype func, void *data));
632 /* Possible lvalue types. Like enum language, this should be in
633 value.h, but needs to be here for the same reason. */
641 /* In a register. Registers are relative to a frame. */
643 /* In a gdb internal variable. */
645 /* Part of a gdb internal variable (structure field). */
646 lval_internalvar_component,
647 /* Value's bits are fetched and stored using functions provided by
652 /* Control types for commands */
654 enum misc_command_type
662 enum command_control_type
671 while_stepping_control,
675 /* Structure for saved commands lines
676 (for breakpoints, defined commands, etc). */
680 struct command_line *next;
682 enum command_control_type control_type;
683 /* The number of elements in body_list. */
685 /* For composite commands, the nested lists of commands. For
686 example, for "if" command this will contain the then branch and
687 the else branch, if that is available. */
688 struct command_line **body_list;
691 extern struct command_line *read_command_lines (char *, int, int,
692 void (*)(char *, void *),
694 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
695 void (*)(char *, void *),
698 extern void free_command_lines (struct command_line **);
700 /* Parameters of the "info proc" command. */
704 /* Display the default cmdline, cwd and exe outputs. */
707 /* Display `info proc mappings'. */
710 /* Display `info proc status'. */
713 /* Display `info proc stat'. */
716 /* Display `info proc cmdline'. */
719 /* Display `info proc exe'. */
722 /* Display `info proc cwd'. */
725 /* Display all of the above. */
729 /* String containing the current directory (what getwd would return). */
731 extern char *current_directory;
733 /* Default radixes for input and output. Only some values supported. */
734 extern unsigned input_radix;
735 extern unsigned output_radix;
737 /* Possibilities for prettyprint parameters to routines which print
738 things. Like enum language, this should be in value.h, but needs
739 to be here for the same reason. FIXME: If we can eliminate this
740 as an arg to LA_VAL_PRINT, then we can probably move it back to
745 Val_no_prettyprint = 0,
747 /* Use the default setting which the user has specified. */
751 /* Optional native machine support. Non-native (and possibly pure
752 multi-arch) targets do not need a "nm.h" file. This will be a
753 symlink to one of the nm-*.h files, built by the `configure'
760 /* Assume that fopen accepts the letter "b" in the mode string.
761 It is demanded by ISO C9X, and should be supported on all
762 platforms that claim to have a standard-conforming C library. On
763 true POSIX systems it will be ignored and have no effect. There
764 may still be systems without a standard-conforming C library where
765 an ISO C9X compiler (GCC) is available. Known examples are SunOS
766 4.x and 4.3BSD. This assumption means these systems are no longer
769 # include "fopen-bin.h"
772 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
773 FIXME: Assumes 2's complement arithmetic. */
775 #if !defined (UINT_MAX)
776 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
779 #if !defined (INT_MAX)
780 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
783 #if !defined (INT_MIN)
784 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
787 #if !defined (ULONG_MAX)
788 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
791 #if !defined (LONG_MAX)
792 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
795 #if !defined (ULONGEST_MAX)
796 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
799 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
800 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
803 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
804 arguments to a function, number in a value history, register number, etc.)
805 where the value must not be larger than can fit in an int. */
807 extern int longest_to_int (LONGEST);
809 /* Assorted functions we can declare, now that const and volatile are
812 extern char *savestring (const char *, size_t);
814 /* Utility macros to allocate typed memory. Avoids errors like:
815 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
816 sizeof (struct foo), 0). */
817 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
818 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
819 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
821 #include "common-utils.h"
823 extern int parse_escape (struct gdbarch *, char **);
825 /* Message to be printed before the error message, when an error occurs. */
827 extern char *error_pre_print;
829 /* Message to be printed before the error message, when an error occurs. */
831 extern char *quit_pre_print;
833 /* Message to be printed before the warning message, when a warning occurs. */
835 extern char *warning_pre_print;
837 extern void verror (const char *fmt, va_list ap)
838 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
840 extern void error (const char *fmt, ...)
841 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
843 extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
845 extern void vfatal (const char *fmt, va_list ap)
846 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
848 extern void fatal (const char *fmt, ...)
849 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
851 extern void internal_verror (const char *file, int line, const char *,
853 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
855 extern void internal_vwarning (const char *file, int line,
856 const char *, va_list ap)
857 ATTRIBUTE_PRINTF (3, 0);
859 extern void internal_warning (const char *file, int line,
860 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
862 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
864 extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
866 /* List of known OS ABIs. If you change this, make sure to update the
870 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
872 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
879 GDB_OSABI_FREEBSD_AOUT,
880 GDB_OSABI_FREEBSD_ELF,
881 GDB_OSABI_NETBSD_AOUT,
882 GDB_OSABI_NETBSD_ELF,
883 GDB_OSABI_OPENBSD_ELF,
898 GDB_OSABI_INVALID /* keep this last */
901 /* Global functions from other, non-gdb GNU thingies.
902 Libiberty thingies are no longer declared here. We include libiberty.h
905 /* From other system libraries */
915 #define min(a, b) ((a) < (b) ? (a) : (b))
918 #define max(a, b) ((a) > (b) ? (a) : (b))
923 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
926 /* Various possibilities for alloca. */
929 #define alloca __builtin_alloca
930 #else /* Not GNU C */
938 /* We need to be careful not to declare this in a way which conflicts with
939 bison. Bison never declares it as char *, but under various circumstances
940 (like __hpux) we need to use void *. */
941 extern void *alloca ();
942 #endif /* Not _AIX */
943 #endif /* Not HAVE_ALLOCA_H */
944 #endif /* Not GNU C */
945 #endif /* alloca not defined */
947 /* Dynamic target-system-dependent parameters for GDB. */
950 /* Maximum size of a register. Something small, but large enough for
951 all known ISAs. If it turns out to be too small, make it bigger. */
953 enum { MAX_REGISTER_SIZE = 64 };
955 /* Static target-system-dependent parameters for GDB. */
957 /* Number of bits in a char or unsigned char for the target machine.
958 Just like CHAR_BIT in <limits.h> but describes the target machine. */
959 #if !defined (TARGET_CHAR_BIT)
960 #define TARGET_CHAR_BIT 8
963 /* If we picked up a copy of CHAR_BIT from a configuration file
964 (which may get it by including <limits.h>) then use it to set
965 the number of bits in a host char. If not, use the same size
968 #if defined (CHAR_BIT)
969 #define HOST_CHAR_BIT CHAR_BIT
971 #define HOST_CHAR_BIT TARGET_CHAR_BIT
976 extern LONGEST extract_signed_integer (const gdb_byte *, int,
979 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
982 extern int extract_long_unsigned_integer (const gdb_byte *, int,
983 enum bfd_endian, LONGEST *);
985 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
988 extern void store_signed_integer (gdb_byte *, int,
989 enum bfd_endian, LONGEST);
991 extern void store_unsigned_integer (gdb_byte *, int,
992 enum bfd_endian, ULONGEST);
994 extern void store_typed_address (gdb_byte *buf, struct type *type,
1000 extern int watchdog;
1002 /* Hooks for alternate command interfaces. */
1004 /* The name of the interpreter if specified on the command line. */
1005 extern char *interpreter_p;
1007 /* If a given interpreter matches INTERPRETER_P then it should update
1008 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1009 per-interpreter implementation. */
1010 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1011 should be moved here. */
1013 struct target_waitstatus;
1014 struct cmd_list_element;
1016 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1017 extern void (*deprecated_post_add_symbol_hook) (void);
1018 extern void (*selected_frame_level_changed_hook) (int);
1019 extern int (*deprecated_ui_loop_hook) (int signo);
1020 extern void (*deprecated_init_ui_hook) (char *argv0);
1021 extern void (*deprecated_command_loop_hook) (void);
1022 extern void (*deprecated_show_load_progress) (const char *section,
1023 unsigned long section_sent,
1024 unsigned long section_size,
1025 unsigned long total_sent,
1026 unsigned long total_size);
1027 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1031 extern int (*deprecated_query_hook) (const char *, va_list)
1032 ATTRIBUTE_FPTR_PRINTF(1,0);
1033 extern void (*deprecated_warning_hook) (const char *, va_list)
1034 ATTRIBUTE_FPTR_PRINTF(1,0);
1035 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1036 extern void (*deprecated_interactive_hook) (void);
1037 extern void (*deprecated_readline_begin_hook) (char *, ...)
1038 ATTRIBUTE_FPTR_PRINTF_1;
1039 extern char *(*deprecated_readline_hook) (char *);
1040 extern void (*deprecated_readline_end_hook) (void);
1041 extern void (*deprecated_register_changed_hook) (int regno);
1042 extern void (*deprecated_context_hook) (int);
1043 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1044 struct target_waitstatus *status,
1047 extern void (*deprecated_attach_hook) (void);
1048 extern void (*deprecated_detach_hook) (void);
1049 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1050 char *cmd, int from_tty);
1052 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1054 extern void (*deprecated_error_begin_hook) (void);
1056 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1060 /* Inhibit window interface if non-zero. */
1062 extern int use_windows;
1064 /* Definitions of filename-related things. */
1066 /* Host specific things. */
1070 # define GLOBAL_CURDIR
1071 # define DIRNAME_SEPARATOR ';'
1074 #if !defined (__CYGWIN__) && defined (_WIN32)
1075 # define DIRNAME_SEPARATOR ';'
1078 #ifndef DIRNAME_SEPARATOR
1079 #define DIRNAME_SEPARATOR ':'
1082 #ifndef SLASH_STRING
1083 #define SLASH_STRING "/"
1086 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1087 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1088 in the code actually refer to a lightweight process id, i.e,
1089 something that can be considered a process id in its own right for
1090 certain purposes. */
1093 #define PIDGET(PTID) (ptid_get_pid (PTID))
1094 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1095 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1098 /* Define well known filenos if the system does not define them. */
1099 #ifndef STDIN_FILENO
1100 #define STDIN_FILENO 0
1102 #ifndef STDOUT_FILENO
1103 #define STDOUT_FILENO 1
1105 #ifndef STDERR_FILENO
1106 #define STDERR_FILENO 2
1109 /* If this definition isn't overridden by the header files, assume
1110 that isatty and fileno exist on this system. */
1112 #define ISATTY(FP) (isatty (fileno (FP)))
1115 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1116 power of 2). Round up/down when necessary. Examples of correct
1119 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1120 write_memory (addr, value, len);
1125 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1126 write_memory (sp, value, len);
1128 Note that uses such as:
1130 write_memory (addr, value, len);
1131 addr += align_up (len, 8);
1135 sp -= align_up (len, 8);
1136 write_memory (sp, value, len);
1138 are typically not correct as they don't ensure that the address (SP
1139 or ADDR) is correctly aligned (relying on previous alignment to
1140 keep things right). This is also why the methods are called
1141 "align_..." instead of "round_..." as the latter reads better with
1142 this incorrect coding style. */
1144 extern ULONGEST align_up (ULONGEST v, int n);
1145 extern ULONGEST align_down (ULONGEST v, int n);
1147 /* Allocation and deallocation functions for the libiberty hash table
1148 which use obstacks. */
1149 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1150 void dummy_obstack_deallocate (void *object, void *data);
1152 /* From progspace.c */
1154 extern void initialize_progspace (void);
1155 extern void initialize_inferiors (void);
1157 /* Special block numbers */
1163 FIRST_LOCAL_BLOCK = 2
1166 #endif /* #ifndef DEFS_H */