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_objc, /* Objective-C */
201 language_java, /* Java */
202 language_fortran, /* Fortran */
203 language_m2, /* Modula-2 */
204 language_asm, /* Assembly language */
205 language_pascal, /* Pascal */
206 language_ada, /* Ada */
207 language_opencl, /* OpenCL */
208 language_minimal, /* All other languages, minimal support only */
216 unspecified_precision
219 /* A generic, not quite boolean, enumeration. */
227 /* Potential ways that a function can return a value of a given type. */
228 enum return_value_convention
230 /* Where the return value has been squeezed into one or more
232 RETURN_VALUE_REGISTER_CONVENTION,
233 /* Commonly known as the "struct return convention". The caller
234 passes an additional hidden first parameter to the caller. That
235 parameter contains the address at which the value being returned
236 should be stored. While typically, and historically, used for
237 large structs, this is convention is applied to values of many
239 RETURN_VALUE_STRUCT_CONVENTION,
240 /* Like the "struct return convention" above, but where the ABI
241 guarantees that the called function stores the address at which
242 the value being returned is stored in a well-defined location,
243 such as a register or memory slot in the stack frame. Don't use
244 this if the ABI doesn't explicitly guarantees this. */
245 RETURN_VALUE_ABI_RETURNS_ADDRESS,
246 /* Like the "struct return convention" above, but where the ABI
247 guarantees that the address at which the value being returned is
248 stored will be available in a well-defined location, such as a
249 register or memory slot in the stack frame. Don't use this if
250 the ABI doesn't explicitly guarantees this. */
251 RETURN_VALUE_ABI_PRESERVES_ADDRESS,
254 /* the cleanup list records things that have to be undone
255 if an error happens (descriptors to be closed, memory to be freed, etc.)
256 Each link in the chain records a function to call and an
259 Use make_cleanup to add an element to the cleanup chain.
260 Use do_cleanups to do all cleanup actions back to a given
261 point in the chain. Use discard_cleanups to remove cleanups
262 from the chain back to a given point, not doing them.
264 If the argument is pointer to allocated memory, then you need
265 to additionally set the 'free_arg' member to a function that will
266 free that memory. This function will be called both when the cleanup
267 is executed and when it's discarded. */
271 struct cleanup *next;
272 void (*function) (void *);
273 void (*free_arg) (void *);
277 /* vec.h-style vectors of strings want a typedef for char * or const char *. */
279 typedef char * char_ptr;
280 typedef const char * const_char_ptr;
282 /* Needed for various prototypes */
292 /* This really belong in utils.c (path-utils.c?), but it references some
293 globals that are currently only available to main.c. */
294 extern char *relocate_gdb_directory (const char *initial, int flag);
298 extern void initialize_utils (void);
300 extern void notice_quit (void);
302 extern int strcmp_iw (const char *, const char *);
304 extern int strcmp_iw_ordered (const char *, const char *);
306 extern int streq (const char *, const char *);
308 extern int subset_compare (char *, char *);
310 extern char *safe_strerror (int);
312 extern void set_display_time (int);
314 extern void set_display_space (int);
316 #define ALL_CLEANUPS ((struct cleanup *)0)
318 extern void do_cleanups (struct cleanup *);
319 extern void do_final_cleanups (struct cleanup *);
321 extern void discard_cleanups (struct cleanup *);
322 extern void discard_final_cleanups (struct cleanup *);
323 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
325 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
326 make_cleanup function declarations below. Do not use this typedef
327 as a cast when passing functions into the make_cleanup() code.
328 Instead either use a bounce function or add a wrapper function.
329 Calling a f(char*) function with f(void*) is non-portable. */
330 typedef void (make_cleanup_ftype) (void *);
332 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
334 extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
335 void (*dtor) (void *));
337 extern struct cleanup *make_cleanup_freeargv (char **);
340 extern struct cleanup *make_cleanup_dyn_string_delete (struct dyn_string *);
343 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
346 extern struct cleanup *
347 make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
349 struct section_addr_info;
350 extern struct cleanup *(make_cleanup_free_section_addr_info
351 (struct section_addr_info *));
353 extern struct cleanup *make_cleanup_close (int fd);
355 extern struct cleanup *make_cleanup_fclose (FILE *file);
357 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
360 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
362 extern struct cleanup *make_cleanup_restore_integer (int *variable);
363 extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
366 extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
368 extern struct cleanup *
369 make_cleanup_restore_ui_file (struct ui_file **variable);
371 extern struct cleanup *make_cleanup_value_free_to_mark (struct value *);
372 extern struct cleanup *make_cleanup_value_free (struct value *);
375 extern struct cleanup *make_cleanup_free_so (struct so_list *so);
377 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
379 extern struct cleanup *make_my_cleanup (struct cleanup **,
380 make_cleanup_ftype *, void *);
382 extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
384 extern struct cleanup *make_my_cleanup2 (struct cleanup **,
385 make_cleanup_ftype *, void *,
386 void (*free_arg) (void *));
388 extern struct cleanup *save_cleanups (void);
389 extern struct cleanup *save_final_cleanups (void);
390 extern struct cleanup *save_my_cleanups (struct cleanup **);
392 extern void restore_cleanups (struct cleanup *);
393 extern void restore_final_cleanups (struct cleanup *);
394 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
396 extern void free_current_contents (void *);
398 extern void null_cleanup (void *);
400 extern struct cleanup *make_command_stats_cleanup (int);
402 extern int myread (int, char *, int);
404 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
405 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
406 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
408 extern void init_page_info (void);
410 extern struct cleanup *make_cleanup_restore_page_info (void);
411 extern struct cleanup *
412 set_batch_flag_and_make_cleanup_restore_page_info (void);
414 extern char *gdb_realpath (const char *);
415 extern char *xfullpath (const char *);
417 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
418 unsigned char *buf, size_t len);
420 ULONGEST strtoulst (const char *num, const char **trailer, int base);
422 char *ldirname (const char *filename);
424 char **gdb_buildargv (const char *);
426 int compare_positive_ints (const void *ap, const void *bp);
427 int compare_strings (const void *ap, const void *bp);
429 /* A wrapper for bfd_errmsg to produce a more helpful error message
430 in the case of bfd_error_file_ambiguously recognized.
431 MATCHING, if non-NULL, is the corresponding argument to
432 bfd_check_format_matches, and will be freed. */
434 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
436 extern int parse_pid_to_attach (char *args);
438 extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
440 extern int producer_is_gcc_ge_4 (const char *producer);
443 extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
447 /* Annotation stuff. */
449 extern int annotation_level; /* in stack.c */
451 extern void begin_line (void);
453 extern void wrap_here (char *);
455 extern void reinitialize_more_filter (void);
458 extern struct ui_file *gdb_stdout;
460 extern struct ui_file *gdb_stdin;
461 /* Serious error notifications */
462 extern struct ui_file *gdb_stderr;
463 /* Log/debug/trace messages that should bypass normal stdout/stderr
464 filtering. For moment, always call this stream using
465 *_unfiltered. In the very near future that restriction shall be
466 removed - either call shall be unfiltered. (cagney 1999-06-13). */
467 extern struct ui_file *gdb_stdlog;
468 /* Target output that should bypass normal stdout/stderr filtering.
469 For moment, always call this stream using *_unfiltered. In the
470 very near future that restriction shall be removed - either call
471 shall be unfiltered. (cagney 1999-07-02). */
472 extern struct ui_file *gdb_stdtarg;
473 extern struct ui_file *gdb_stdtargerr;
474 extern struct ui_file *gdb_stdtargin;
478 /* More generic printf like operations. Filtered versions may return
479 non-locally on error. */
481 extern void fputs_filtered (const char *, struct ui_file *);
483 extern void fputs_unfiltered (const char *, struct ui_file *);
485 extern int fputc_filtered (int c, struct ui_file *);
487 extern int fputc_unfiltered (int c, struct ui_file *);
489 extern int putchar_filtered (int c);
491 extern int putchar_unfiltered (int c);
493 extern void puts_filtered (const char *);
495 extern void puts_unfiltered (const char *);
497 extern void puts_filtered_tabular (char *string, int width, int right);
499 extern void puts_debug (char *prefix, char *string, char *suffix);
501 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
503 extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
504 ATTRIBUTE_PRINTF (2, 0);
506 extern void fprintf_filtered (struct ui_file *, const char *, ...)
507 ATTRIBUTE_PRINTF (2, 3);
509 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
510 ATTRIBUTE_PRINTF (3, 4);
512 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
514 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
516 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
518 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
519 ATTRIBUTE_PRINTF (2, 0);
521 extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
522 ATTRIBUTE_PRINTF (2, 3);
524 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
526 extern void print_spaces (int, struct ui_file *);
528 extern void print_spaces_filtered (int, struct ui_file *);
530 extern char *n_spaces (int);
532 extern void fputstr_filtered (const char *str, int quotr,
533 struct ui_file * stream);
535 extern void fputstr_unfiltered (const char *str, int quotr,
536 struct ui_file * stream);
538 extern void fputstrn_filtered (const char *str, int n, int quotr,
539 struct ui_file * stream);
541 extern void fputstrn_unfiltered (const char *str, int n, int quotr,
542 struct ui_file * stream);
544 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
545 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
547 extern const char *host_address_to_string (const void *addr);
549 /* Convert CORE_ADDR to string in platform-specific manner.
550 This is usually formatted similar to 0x%lx. */
551 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
553 /* Return a string representation in hexadecimal notation of ADDRESS,
554 which is suitable for printing. */
556 extern const char *print_core_address (struct gdbarch *gdbarch,
559 /* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
561 extern hashval_t core_addr_hash (const void *ap);
562 extern int core_addr_eq (const void *ap, const void *bp);
565 extern char *plongest (LONGEST l);
566 /* %u for ULONGEST */
567 extern char *pulongest (ULONGEST l);
569 extern char *phex (ULONGEST l, int sizeof_l);
570 extern char *phex_nz (ULONGEST l, int sizeof_l);
571 extern char *int_string (LONGEST, int, int, int, int);
573 /* Convert a CORE_ADDR into a HEX string with leading zeros.
574 The output from core_addr_to_string() can be passed direct to
575 string_to_core_addr(). */
576 extern const char *core_addr_to_string (const CORE_ADDR addr);
577 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
578 extern CORE_ADDR string_to_core_addr (const char *my_string);
580 /* Return a string that contains a number formatted as a hex
582 extern char *hex_string (LONGEST);
583 extern char *hex_string_custom (LONGEST, int);
585 extern void fprintf_symbol_filtered (struct ui_file *, char *,
588 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
590 extern void print_sys_errmsg (const char *, int);
592 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
593 "const char *" in unistd.h, so we can't declare the argument
596 extern char *re_comp (const char *);
600 extern void symbol_file_command (char *, int);
602 /* Remote targets may wish to use this as their load function. */
603 extern void generic_load (char *name, int from_tty);
605 /* Report on STREAM the performance of memory transfer operation,
607 DATA_COUNT is the number of bytes transferred.
608 WRITE_COUNT is the number of separate write operations, or 0,
609 if that information is not available.
610 START_TIME is the time at which an operation was started.
611 END_TIME is the time at which an operation ended. */
613 extern void print_transfer_performance (struct ui_file *stream,
614 unsigned long data_count,
615 unsigned long write_count,
616 const struct timeval *start_time,
617 const struct timeval *end_time);
621 typedef void initialize_file_ftype (void);
623 extern char *skip_quoted (char *);
625 extern char *gdb_readline (char *);
627 extern char *gdb_readline_wrapper (char *);
629 extern char *command_line_input (char *, int, char *);
631 extern void print_prompt (void);
633 extern int input_from_terminal_p (void);
635 extern int info_verbose;
637 /* From printcmd.c */
639 extern void set_next_address (struct gdbarch *, CORE_ADDR);
641 extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
642 struct ui_file *, int, char *);
644 extern int build_address_symbolic (struct gdbarch *,
653 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
654 extern const char *pc_prefix (CORE_ADDR);
658 #define OPF_TRY_CWD_FIRST 0x01
659 #define OPF_SEARCH_IN_PATH 0x02
661 extern int openp (const char *, int, const char *, int, char **);
663 extern int source_full_path_of (const char *, char **);
665 extern void mod_path (char *, char **);
667 extern void add_path (char *, char **, int);
669 extern void directory_command (char *, int);
671 extern void directory_switch (char *, int);
673 extern char *source_path;
675 extern void init_source_path (void);
679 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
680 int read, int write, int exec,
683 /* Take over the 'find_mapped_memory' vector from exec.c. */
684 extern void exec_set_find_memory_regions
685 (int (*func) (find_memory_region_ftype func, void *data));
687 /* Possible lvalue types. Like enum language, this should be in
688 value.h, but needs to be here for the same reason. */
696 /* In a register. Registers are relative to a frame. */
698 /* In a gdb internal variable. */
700 /* Part of a gdb internal variable (structure field). */
701 lval_internalvar_component,
702 /* Value's bits are fetched and stored using functions provided by
707 /* Control types for commands */
709 enum misc_command_type
717 enum command_control_type
726 while_stepping_control,
730 /* Structure for saved commands lines
731 (for breakpoints, defined commands, etc). */
735 struct command_line *next;
737 enum command_control_type control_type;
738 /* The number of elements in body_list. */
740 /* For composite commands, the nested lists of commands. For
741 example, for "if" command this will contain the then branch and
742 the else branch, if that is available. */
743 struct command_line **body_list;
746 extern struct command_line *read_command_lines (char *, int, int,
747 void (*)(char *, void *),
749 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
750 void (*)(char *, void *),
753 extern void free_command_lines (struct command_line **);
755 /* Parameters of the "info proc" command. */
759 /* Display the default cmdline, cwd and exe outputs. */
762 /* Display `info proc mappings'. */
765 /* Display `info proc status'. */
768 /* Display `info proc stat'. */
771 /* Display `info proc cmdline'. */
774 /* Display `info proc exe'. */
777 /* Display `info proc cwd'. */
780 /* Display all of the above. */
784 /* String containing the current directory (what getwd would return). */
786 extern char *current_directory;
788 /* Default radixes for input and output. Only some values supported. */
789 extern unsigned input_radix;
790 extern unsigned output_radix;
792 /* Possibilities for prettyprint parameters to routines which print
793 things. Like enum language, this should be in value.h, but needs
794 to be here for the same reason. FIXME: If we can eliminate this
795 as an arg to LA_VAL_PRINT, then we can probably move it back to
800 Val_no_prettyprint = 0,
802 /* Use the default setting which the user has specified. */
806 /* Optional native machine support. Non-native (and possibly pure
807 multi-arch) targets do not need a "nm.h" file. This will be a
808 symlink to one of the nm-*.h files, built by the `configure'
815 /* Assume that fopen accepts the letter "b" in the mode string.
816 It is demanded by ISO C9X, and should be supported on all
817 platforms that claim to have a standard-conforming C library. On
818 true POSIX systems it will be ignored and have no effect. There
819 may still be systems without a standard-conforming C library where
820 an ISO C9X compiler (GCC) is available. Known examples are SunOS
821 4.x and 4.3BSD. This assumption means these systems are no longer
824 # include "fopen-bin.h"
827 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
828 FIXME: Assumes 2's complement arithmetic. */
830 #if !defined (UINT_MAX)
831 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
834 #if !defined (INT_MAX)
835 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
838 #if !defined (INT_MIN)
839 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
842 #if !defined (ULONG_MAX)
843 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
846 #if !defined (LONG_MAX)
847 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
850 #if !defined (ULONGEST_MAX)
851 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
854 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
855 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
858 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
859 arguments to a function, number in a value history, register number, etc.)
860 where the value must not be larger than can fit in an int. */
862 extern int longest_to_int (LONGEST);
864 /* Assorted functions we can declare, now that const and volatile are
867 extern char *savestring (const char *, size_t);
869 /* Utility macros to allocate typed memory. Avoids errors like:
870 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
871 sizeof (struct foo), 0). */
872 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
873 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
874 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
876 #include "common-utils.h"
878 extern int parse_escape (struct gdbarch *, char **);
880 /* Message to be printed before the error message, when an error occurs. */
882 extern char *error_pre_print;
884 /* Message to be printed before the error message, when an error occurs. */
886 extern char *quit_pre_print;
888 /* Message to be printed before the warning message, when a warning occurs. */
890 extern char *warning_pre_print;
892 extern void verror (const char *fmt, va_list ap)
893 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
895 extern void error (const char *fmt, ...)
896 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
898 extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
900 extern void vfatal (const char *fmt, va_list ap)
901 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
903 extern void fatal (const char *fmt, ...)
904 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
906 extern void internal_verror (const char *file, int line, const char *,
908 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
910 extern void internal_vwarning (const char *file, int line,
911 const char *, va_list ap)
912 ATTRIBUTE_PRINTF (3, 0);
914 extern void internal_warning (const char *file, int line,
915 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
917 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
919 extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
921 /* List of known OS ABIs. If you change this, make sure to update the
925 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
927 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
934 GDB_OSABI_FREEBSD_AOUT,
935 GDB_OSABI_FREEBSD_ELF,
936 GDB_OSABI_NETBSD_AOUT,
937 GDB_OSABI_NETBSD_ELF,
938 GDB_OSABI_OPENBSD_ELF,
952 GDB_OSABI_INVALID /* keep this last */
955 /* Global functions from other, non-gdb GNU thingies.
956 Libiberty thingies are no longer declared here. We include libiberty.h
959 /* From other system libraries */
969 #define min(a, b) ((a) < (b) ? (a) : (b))
972 #define max(a, b) ((a) > (b) ? (a) : (b))
977 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
980 /* Various possibilities for alloca. */
983 #define alloca __builtin_alloca
984 #else /* Not GNU C */
992 /* We need to be careful not to declare this in a way which conflicts with
993 bison. Bison never declares it as char *, but under various circumstances
994 (like __hpux) we need to use void *. */
995 extern void *alloca ();
996 #endif /* Not _AIX */
997 #endif /* Not HAVE_ALLOCA_H */
998 #endif /* Not GNU C */
999 #endif /* alloca not defined */
1001 /* Dynamic target-system-dependent parameters for GDB. */
1002 #include "gdbarch.h"
1004 /* Maximum size of a register. Something small, but large enough for
1005 all known ISAs. If it turns out to be too small, make it bigger. */
1007 enum { MAX_REGISTER_SIZE = 64 };
1009 /* Static target-system-dependent parameters for GDB. */
1011 /* Number of bits in a char or unsigned char for the target machine.
1012 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1013 #if !defined (TARGET_CHAR_BIT)
1014 #define TARGET_CHAR_BIT 8
1017 /* If we picked up a copy of CHAR_BIT from a configuration file
1018 (which may get it by including <limits.h>) then use it to set
1019 the number of bits in a host char. If not, use the same size
1022 #if defined (CHAR_BIT)
1023 #define HOST_CHAR_BIT CHAR_BIT
1025 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1030 extern LONGEST extract_signed_integer (const gdb_byte *, int,
1033 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
1036 extern int extract_long_unsigned_integer (const gdb_byte *, int,
1037 enum bfd_endian, LONGEST *);
1039 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1042 extern void store_signed_integer (gdb_byte *, int,
1043 enum bfd_endian, LONGEST);
1045 extern void store_unsigned_integer (gdb_byte *, int,
1046 enum bfd_endian, ULONGEST);
1048 extern void store_typed_address (gdb_byte *buf, struct type *type,
1054 extern int watchdog;
1056 /* Hooks for alternate command interfaces. */
1058 /* The name of the interpreter if specified on the command line. */
1059 extern char *interpreter_p;
1061 /* If a given interpreter matches INTERPRETER_P then it should update
1062 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1063 per-interpreter implementation. */
1064 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1065 should be moved here. */
1067 struct target_waitstatus;
1068 struct cmd_list_element;
1070 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1071 extern void (*deprecated_post_add_symbol_hook) (void);
1072 extern void (*selected_frame_level_changed_hook) (int);
1073 extern int (*deprecated_ui_loop_hook) (int signo);
1074 extern void (*deprecated_init_ui_hook) (char *argv0);
1075 extern void (*deprecated_command_loop_hook) (void);
1076 extern void (*deprecated_show_load_progress) (const char *section,
1077 unsigned long section_sent,
1078 unsigned long section_size,
1079 unsigned long total_sent,
1080 unsigned long total_size);
1081 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1085 extern int (*deprecated_query_hook) (const char *, va_list)
1086 ATTRIBUTE_FPTR_PRINTF(1,0);
1087 extern void (*deprecated_warning_hook) (const char *, va_list)
1088 ATTRIBUTE_FPTR_PRINTF(1,0);
1089 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1090 extern void (*deprecated_interactive_hook) (void);
1091 extern void (*deprecated_readline_begin_hook) (char *, ...)
1092 ATTRIBUTE_FPTR_PRINTF_1;
1093 extern char *(*deprecated_readline_hook) (char *);
1094 extern void (*deprecated_readline_end_hook) (void);
1095 extern void (*deprecated_register_changed_hook) (int regno);
1096 extern void (*deprecated_context_hook) (int);
1097 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1098 struct target_waitstatus *status,
1101 extern void (*deprecated_attach_hook) (void);
1102 extern void (*deprecated_detach_hook) (void);
1103 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1104 char *cmd, int from_tty);
1106 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1108 extern void (*deprecated_error_begin_hook) (void);
1110 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1114 /* Inhibit window interface if non-zero. */
1116 extern int use_windows;
1118 /* Definitions of filename-related things. */
1120 /* Host specific things. */
1124 # define GLOBAL_CURDIR
1125 # define DIRNAME_SEPARATOR ';'
1128 #if !defined (__CYGWIN__) && defined (_WIN32)
1129 # define DIRNAME_SEPARATOR ';'
1132 #ifndef DIRNAME_SEPARATOR
1133 #define DIRNAME_SEPARATOR ':'
1136 #ifndef SLASH_STRING
1137 #define SLASH_STRING "/"
1140 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1141 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1142 in the code actually refer to a lightweight process id, i.e,
1143 something that can be considered a process id in its own right for
1144 certain purposes. */
1147 #define PIDGET(PTID) (ptid_get_pid (PTID))
1148 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1149 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1152 /* Define well known filenos if the system does not define them. */
1153 #ifndef STDIN_FILENO
1154 #define STDIN_FILENO 0
1156 #ifndef STDOUT_FILENO
1157 #define STDOUT_FILENO 1
1159 #ifndef STDERR_FILENO
1160 #define STDERR_FILENO 2
1163 /* If this definition isn't overridden by the header files, assume
1164 that isatty and fileno exist on this system. */
1166 #define ISATTY(FP) (isatty (fileno (FP)))
1169 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1170 power of 2). Round up/down when necessary. Examples of correct
1173 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1174 write_memory (addr, value, len);
1179 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1180 write_memory (sp, value, len);
1182 Note that uses such as:
1184 write_memory (addr, value, len);
1185 addr += align_up (len, 8);
1189 sp -= align_up (len, 8);
1190 write_memory (sp, value, len);
1192 are typically not correct as they don't ensure that the address (SP
1193 or ADDR) is correctly aligned (relying on previous alignment to
1194 keep things right). This is also why the methods are called
1195 "align_..." instead of "round_..." as the latter reads better with
1196 this incorrect coding style. */
1198 extern ULONGEST align_up (ULONGEST v, int n);
1199 extern ULONGEST align_down (ULONGEST v, int n);
1201 /* Allocation and deallocation functions for the libiberty hash table
1202 which use obstacks. */
1203 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1204 void dummy_obstack_deallocate (void *object, void *data);
1206 /* From progspace.c */
1208 extern void initialize_progspace (void);
1209 extern void initialize_inferiors (void);
1211 /* Special block numbers */
1217 FIRST_LOCAL_BLOCK = 2
1220 #endif /* #ifndef DEFS_H */