1 /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
3 /* Basic, host-specific, and target-specific definitions for GDB.
4 Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
5 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009,
6 2010, 2011 Free Software Foundation, Inc.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 # error gdbserver should not include gdb/defs.h
30 #include "config.h" /* Generated by configure. */
32 #include <sys/types.h>
34 #include <errno.h> /* System call error return status. */
38 /* The libdecnumber library, on which GDB depends, includes a header file
39 called gstdint.h instead of relying directly on stdint.h. GDB, on the
40 other hand, includes stdint.h directly, relying on the fact that gnulib
41 generates a copy if the system doesn't provide one or if it is missing
42 some features. Unfortunately, gstdint.h and stdint.h cannot be included
43 at the same time, which may happen when we include a file from
46 The following macro definition effectively prevents the inclusion of
47 gstdint.h, as all the definitions it provides are guarded against
48 the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h
49 included, so it's ok to blank out gstdint.h. */
50 #define GCC_GENERATED_STDINT_H 1
62 /* First include ansidecl.h so we can use the various macro definitions
63 here and in all subsequent file inclusions. */
67 #include "gdb_locale.h"
69 #include "gdb_wchar.h"
71 /* For ``enum target_signal''. */
72 #include "gdb/signals.h"
74 /* Just in case they're not defined in stdio.h. */
83 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
84 It is used as an access modifier in calls to open(), where it acts
85 similarly to the "b" character in fopen()'s MODE argument. On Posix
86 platforms it should be a no-op, so it is defined as 0 here. This
87 ensures that the symbol may be used freely elsewhere in gdb. */
93 #include <stdarg.h> /* For va_list. */
95 #include "libiberty.h"
98 /* Rather than duplicate all the logic in BFD for figuring out what
99 types to use (which can be pretty complicated), symply define them
100 in terms of the corresponding type from BFD. */
104 /* A byte from the program being debugged. */
105 typedef bfd_byte gdb_byte;
107 /* An address in the program being debugged. Host byte order. */
108 typedef bfd_vma CORE_ADDR;
110 /* The largest CORE_ADDR value. */
111 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
113 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
119 #define LONGEST BFD_HOST_64_BIT
120 #define ULONGEST BFD_HOST_U_64_BIT
124 #ifdef CC_HAS_LONG_LONG
125 #define LONGEST long long
126 #define ULONGEST unsigned long long
128 #ifdef BFD_HOST_64_BIT
129 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
130 (e.g. i386-windows) so try it. */
131 #define LONGEST BFD_HOST_64_BIT
132 #define ULONGEST BFD_HOST_U_64_BIT
135 #define ULONGEST unsigned long
139 #endif /* No BFD64 */
141 #endif /* ! LONGEST */
144 #define min(a, b) ((a) < (b) ? (a) : (b))
147 #define max(a, b) ((a) > (b) ? (a) : (b))
152 /* Check if a character is one of the commonly used C++ marker characters. */
153 extern int is_cplus_marker (int);
155 /* Enable xdb commands if set. */
156 extern int xdb_commands;
158 /* Enable dbx commands if set. */
159 extern int dbx_commands;
161 /* System root path, used to find libraries etc. */
162 extern char *gdb_sysroot;
164 /* GDB datadir, used to store data files. */
165 extern char *gdb_datadir;
167 /* If non-NULL, the possibly relocated path to python's "lib" directory
168 specified with --with-python. */
169 extern char *python_libdir;
171 /* Search path for separate debug files. */
172 extern char *debug_file_directory;
174 extern int quit_flag;
175 extern int immediate_quit;
176 extern int sevenbit_strings;
178 extern void quit (void);
180 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
181 benefits of having a ``QUIT'' macro rather than a function are
182 marginal. If the overhead of a QUIT function call is proving
183 significant then its calling frequency should probably be reduced
184 [kingdon]. A profile analyzing the current situtation is
188 if (quit_flag) quit (); \
189 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
192 /* Languages represented in the symbol table and elsewhere.
193 This should probably be in language.h, but since enum's can't
194 be forward declared to satisfy opaque references before their
195 actual definition, needs to be here. */
199 language_unknown, /* Language not known */
200 language_auto, /* Placeholder for automatic setting */
202 language_cplus, /* C++ */
204 language_objc, /* Objective-C */
205 language_java, /* Java */
206 language_fortran, /* Fortran */
207 language_m2, /* Modula-2 */
208 language_asm, /* Assembly language */
209 language_pascal, /* Pascal */
210 language_ada, /* Ada */
211 language_opencl, /* OpenCL */
212 language_minimal, /* All other languages, minimal support only */
220 unspecified_precision
223 /* A generic, not quite boolean, enumeration. */
231 /* Potential ways that a function can return a value of a given type. */
232 enum return_value_convention
234 /* Where the return value has been squeezed into one or more
236 RETURN_VALUE_REGISTER_CONVENTION,
237 /* Commonly known as the "struct return convention". The caller
238 passes an additional hidden first parameter to the caller. That
239 parameter contains the address at which the value being returned
240 should be stored. While typically, and historically, used for
241 large structs, this is convention is applied to values of many
243 RETURN_VALUE_STRUCT_CONVENTION,
244 /* Like the "struct return convention" above, but where the ABI
245 guarantees that the called function stores the address at which
246 the value being returned is stored in a well-defined location,
247 such as a register or memory slot in the stack frame. Don't use
248 this if the ABI doesn't explicitly guarantees this. */
249 RETURN_VALUE_ABI_RETURNS_ADDRESS,
250 /* Like the "struct return convention" above, but where the ABI
251 guarantees that the address at which the value being returned is
252 stored will be available in a well-defined location, such as a
253 register or memory slot in the stack frame. Don't use this if
254 the ABI doesn't explicitly guarantees this. */
255 RETURN_VALUE_ABI_PRESERVES_ADDRESS,
258 /* the cleanup list records things that have to be undone
259 if an error happens (descriptors to be closed, memory to be freed, etc.)
260 Each link in the chain records a function to call and an
263 Use make_cleanup to add an element to the cleanup chain.
264 Use do_cleanups to do all cleanup actions back to a given
265 point in the chain. Use discard_cleanups to remove cleanups
266 from the chain back to a given point, not doing them.
268 If the argument is pointer to allocated memory, then you need
269 to additionally set the 'free_arg' member to a function that will
270 free that memory. This function will be called both when the cleanup
271 is executed and when it's discarded. */
275 struct cleanup *next;
276 void (*function) (void *);
277 void (*free_arg) (void *);
281 /* vec.h-style vectors of strings want a typedef for char * or const char *. */
283 typedef char * char_ptr;
284 typedef const char * const_char_ptr;
286 /* Needed for various prototypes */
296 /* This really belong in utils.c (path-utils.c?), but it references some
297 globals that are currently only available to main.c. */
298 extern char *relocate_gdb_directory (const char *initial, int flag);
302 extern void initialize_utils (void);
304 extern void notice_quit (void);
306 extern int strcmp_iw (const char *, const char *);
308 extern int strcmp_iw_ordered (const char *, const char *);
310 extern int streq (const char *, const char *);
312 extern int subset_compare (char *, char *);
314 extern char *safe_strerror (int);
316 extern void set_display_time (int);
318 extern void set_display_space (int);
320 #define ALL_CLEANUPS ((struct cleanup *)0)
322 extern void do_cleanups (struct cleanup *);
323 extern void do_final_cleanups (struct cleanup *);
325 extern void discard_cleanups (struct cleanup *);
326 extern void discard_final_cleanups (struct cleanup *);
327 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
329 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
330 make_cleanup function declarations below. Do not use this typedef
331 as a cast when passing functions into the make_cleanup() code.
332 Instead either use a bounce function or add a wrapper function.
333 Calling a f(char*) function with f(void*) is non-portable. */
334 typedef void (make_cleanup_ftype) (void *);
336 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
338 extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
339 void (*dtor) (void *));
341 extern struct cleanup *make_cleanup_freeargv (char **);
344 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
347 extern struct cleanup *
348 make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
350 struct section_addr_info;
351 extern struct cleanup *(make_cleanup_free_section_addr_info
352 (struct section_addr_info *));
354 extern struct cleanup *make_cleanup_close (int fd);
356 extern struct cleanup *make_cleanup_fclose (FILE *file);
358 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
361 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
363 extern struct cleanup *make_cleanup_restore_integer (int *variable);
364 extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
367 extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
369 extern struct cleanup *
370 make_cleanup_restore_ui_file (struct ui_file **variable);
372 extern struct cleanup *make_cleanup_value_free_to_mark (struct value *);
373 extern struct cleanup *make_cleanup_value_free (struct value *);
375 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
377 extern struct cleanup *make_my_cleanup (struct cleanup **,
378 make_cleanup_ftype *, void *);
380 extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
382 extern struct cleanup *make_my_cleanup2 (struct cleanup **,
383 make_cleanup_ftype *, void *,
384 void (*free_arg) (void *));
386 extern struct cleanup *save_cleanups (void);
387 extern struct cleanup *save_final_cleanups (void);
388 extern struct cleanup *save_my_cleanups (struct cleanup **);
390 extern void restore_cleanups (struct cleanup *);
391 extern void restore_final_cleanups (struct cleanup *);
392 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
394 extern void free_current_contents (void *);
396 extern void null_cleanup (void *);
398 extern struct cleanup *make_command_stats_cleanup (int);
400 extern int myread (int, char *, int);
402 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
403 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
404 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
406 extern void init_page_info (void);
408 extern struct cleanup *make_cleanup_restore_page_info (void);
409 extern struct cleanup *
410 set_batch_flag_and_make_cleanup_restore_page_info (void);
412 extern char *gdb_realpath (const char *);
413 extern char *xfullpath (const char *);
415 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
416 unsigned char *buf, size_t len);
418 ULONGEST strtoulst (const char *num, const char **trailer, int base);
420 char *ldirname (const char *filename);
422 char **gdb_buildargv (const char *);
424 int compare_positive_ints (const void *ap, const void *bp);
426 /* A wrapper for bfd_errmsg to produce a more helpful error message
427 in the case of bfd_error_file_ambiguously recognized.
428 MATCHING, if non-NULL, is the corresponding argument to
429 bfd_check_format_matches, and will be freed. */
431 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
433 extern int parse_pid_to_attach (char *args);
435 extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
437 extern int producer_is_gcc_ge_4 (const char *producer);
439 /* From demangle.c */
441 extern void set_demangling_style (char *);
444 /* Annotation stuff. */
446 extern int annotation_level; /* in stack.c */
448 extern void begin_line (void);
450 extern void wrap_here (char *);
452 extern void reinitialize_more_filter (void);
455 extern struct ui_file *gdb_stdout;
457 extern struct ui_file *gdb_stdin;
458 /* Serious error notifications */
459 extern struct ui_file *gdb_stderr;
460 /* Log/debug/trace messages that should bypass normal stdout/stderr
461 filtering. For moment, always call this stream using
462 *_unfiltered. In the very near future that restriction shall be
463 removed - either call shall be unfiltered. (cagney 1999-06-13). */
464 extern struct ui_file *gdb_stdlog;
465 /* Target output that should bypass normal stdout/stderr filtering.
466 For moment, always call this stream using *_unfiltered. In the
467 very near future that restriction shall be removed - either call
468 shall be unfiltered. (cagney 1999-07-02). */
469 extern struct ui_file *gdb_stdtarg;
470 extern struct ui_file *gdb_stdtargerr;
471 extern struct ui_file *gdb_stdtargin;
475 /* More generic printf like operations. Filtered versions may return
476 non-locally on error. */
478 extern void fputs_filtered (const char *, struct ui_file *);
480 extern void fputs_unfiltered (const char *, struct ui_file *);
482 extern int fputc_filtered (int c, struct ui_file *);
484 extern int fputc_unfiltered (int c, struct ui_file *);
486 extern int putchar_filtered (int c);
488 extern int putchar_unfiltered (int c);
490 extern void puts_filtered (const char *);
492 extern void puts_unfiltered (const char *);
494 extern void puts_filtered_tabular (char *string, int width, int right);
496 extern void puts_debug (char *prefix, char *string, char *suffix);
498 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
500 extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
501 ATTRIBUTE_PRINTF (2, 0);
503 extern void fprintf_filtered (struct ui_file *, const char *, ...)
504 ATTRIBUTE_PRINTF (2, 3);
506 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
507 ATTRIBUTE_PRINTF (3, 4);
509 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
511 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
513 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
515 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
516 ATTRIBUTE_PRINTF (2, 0);
518 extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
519 ATTRIBUTE_PRINTF (2, 3);
521 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
523 extern void print_spaces (int, struct ui_file *);
525 extern void print_spaces_filtered (int, struct ui_file *);
527 extern char *n_spaces (int);
529 extern void fputstr_filtered (const char *str, int quotr,
530 struct ui_file * stream);
532 extern void fputstr_unfiltered (const char *str, int quotr,
533 struct ui_file * stream);
535 extern void fputstrn_filtered (const char *str, int n, int quotr,
536 struct ui_file * stream);
538 extern void fputstrn_unfiltered (const char *str, int n, int quotr,
539 struct ui_file * stream);
541 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
542 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
544 extern const char *host_address_to_string (const void *addr);
546 /* Convert CORE_ADDR to string in platform-specific manner.
547 This is usually formatted similar to 0x%lx. */
548 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
550 /* Return a string representation in hexadecimal notation of ADDRESS,
551 which is suitable for printing. */
553 extern const char *print_core_address (struct gdbarch *gdbarch,
556 /* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
558 extern hashval_t core_addr_hash (const void *ap);
559 extern int core_addr_eq (const void *ap, const void *bp);
562 extern char *plongest (LONGEST l);
563 /* %u for ULONGEST */
564 extern char *pulongest (ULONGEST l);
566 extern char *phex (ULONGEST l, int sizeof_l);
567 extern char *phex_nz (ULONGEST l, int sizeof_l);
568 extern char *int_string (LONGEST, int, int, int, int);
570 /* Convert a CORE_ADDR into a HEX string with leading zeros.
571 The output from core_addr_to_string() can be passed direct to
572 string_to_core_addr(). */
573 extern const char *core_addr_to_string (const CORE_ADDR addr);
574 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
575 extern CORE_ADDR string_to_core_addr (const char *my_string);
577 /* Return a string that contains a number formatted as a hex
579 extern char *hex_string (LONGEST);
580 extern char *hex_string_custom (LONGEST, int);
582 extern void fprintf_symbol_filtered (struct ui_file *, char *,
585 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
587 extern void print_sys_errmsg (const char *, int);
589 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
590 "const char *" in unistd.h, so we can't declare the argument
593 extern char *re_comp (const char *);
597 extern void symbol_file_command (char *, int);
599 /* Remote targets may wish to use this as their load function. */
600 extern void generic_load (char *name, int from_tty);
602 /* Report on STREAM the performance of memory transfer operation,
604 DATA_COUNT is the number of bytes transferred.
605 WRITE_COUNT is the number of separate write operations, or 0,
606 if that information is not available.
607 START_TIME is the time at which an operation was started.
608 END_TIME is the time at which an operation ended. */
610 extern void print_transfer_performance (struct ui_file *stream,
611 unsigned long data_count,
612 unsigned long write_count,
613 const struct timeval *start_time,
614 const struct timeval *end_time);
618 typedef void initialize_file_ftype (void);
620 extern char *skip_quoted (char *);
622 extern char *gdb_readline (char *);
624 extern char *gdb_readline_wrapper (char *);
626 extern char *command_line_input (char *, int, char *);
628 extern void print_prompt (void);
630 extern int input_from_terminal_p (void);
632 extern int info_verbose;
634 /* From printcmd.c */
636 extern void set_next_address (struct gdbarch *, CORE_ADDR);
638 extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
639 struct ui_file *, int, char *);
641 extern int build_address_symbolic (struct gdbarch *,
650 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
651 extern const char *pc_prefix (CORE_ADDR);
655 #define OPF_TRY_CWD_FIRST 0x01
656 #define OPF_SEARCH_IN_PATH 0x02
658 extern int openp (const char *, int, const char *, int, char **);
660 extern int source_full_path_of (const char *, char **);
662 extern void mod_path (char *, char **);
664 extern void add_path (char *, char **, int);
666 extern void directory_command (char *, int);
668 extern void directory_switch (char *, int);
670 extern char *source_path;
672 extern void init_source_path (void);
676 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
677 int read, int write, int exec,
680 /* Take over the 'find_mapped_memory' vector from exec.c. */
681 extern void exec_set_find_memory_regions
682 (int (*func) (find_memory_region_ftype func, void *data));
684 /* Possible lvalue types. Like enum language, this should be in
685 value.h, but needs to be here for the same reason. */
693 /* In a register. Registers are relative to a frame. */
695 /* In a gdb internal variable. */
697 /* Part of a gdb internal variable (structure field). */
698 lval_internalvar_component,
699 /* Value's bits are fetched and stored using functions provided by
704 /* Control types for commands */
706 enum misc_command_type
714 enum command_control_type
723 while_stepping_control,
727 /* Structure for saved commands lines
728 (for breakpoints, defined commands, etc). */
732 struct command_line *next;
734 enum command_control_type control_type;
735 /* The number of elements in body_list. */
737 /* For composite commands, the nested lists of commands. For
738 example, for "if" command this will contain the then branch and
739 the else branch, if that is available. */
740 struct command_line **body_list;
743 extern struct command_line *read_command_lines (char *, int, int,
744 void (*)(char *, void *),
746 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
747 void (*)(char *, void *),
750 extern void free_command_lines (struct command_line **);
752 /* String containing the current directory (what getwd would return). */
754 extern char *current_directory;
756 /* Default radixes for input and output. Only some values supported. */
757 extern unsigned input_radix;
758 extern unsigned output_radix;
760 /* Possibilities for prettyprint parameters to routines which print
761 things. Like enum language, this should be in value.h, but needs
762 to be here for the same reason. FIXME: If we can eliminate this
763 as an arg to LA_VAL_PRINT, then we can probably move it back to
768 Val_no_prettyprint = 0,
770 /* Use the default setting which the user has specified. */
774 /* Optional native machine support. Non-native (and possibly pure
775 multi-arch) targets do not need a "nm.h" file. This will be a
776 symlink to one of the nm-*.h files, built by the `configure'
783 /* Assume that fopen accepts the letter "b" in the mode string.
784 It is demanded by ISO C9X, and should be supported on all
785 platforms that claim to have a standard-conforming C library. On
786 true POSIX systems it will be ignored and have no effect. There
787 may still be systems without a standard-conforming C library where
788 an ISO C9X compiler (GCC) is available. Known examples are SunOS
789 4.x and 4.3BSD. This assumption means these systems are no longer
792 # include "fopen-bin.h"
795 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
796 FIXME: Assumes 2's complement arithmetic. */
798 #if !defined (UINT_MAX)
799 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
802 #if !defined (INT_MAX)
803 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
806 #if !defined (INT_MIN)
807 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
810 #if !defined (ULONG_MAX)
811 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
814 #if !defined (LONG_MAX)
815 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
818 #if !defined (ULONGEST_MAX)
819 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
822 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
823 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
826 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
827 arguments to a function, number in a value history, register number, etc.)
828 where the value must not be larger than can fit in an int. */
830 extern int longest_to_int (LONGEST);
832 /* Assorted functions we can declare, now that const and volatile are
835 extern char *savestring (const char *, size_t);
837 /* Utility macros to allocate typed memory. Avoids errors like:
838 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
839 sizeof (struct foo), 0). */
840 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
841 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
842 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
844 #include "common-utils.h"
846 extern int parse_escape (struct gdbarch *, char **);
848 /* Message to be printed before the error message, when an error occurs. */
850 extern char *error_pre_print;
852 /* Message to be printed before the error message, when an error occurs. */
854 extern char *quit_pre_print;
856 /* Message to be printed before the warning message, when a warning occurs. */
858 extern char *warning_pre_print;
860 extern void verror (const char *fmt, va_list ap)
861 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
863 extern void error (const char *fmt, ...)
864 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
866 extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
868 extern void vfatal (const char *fmt, va_list ap)
869 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
871 extern void fatal (const char *fmt, ...)
872 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
874 extern void internal_verror (const char *file, int line, const char *,
876 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
878 extern void internal_vwarning (const char *file, int line,
879 const char *, va_list ap)
880 ATTRIBUTE_PRINTF (3, 0);
882 extern void internal_warning (const char *file, int line,
883 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
885 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
887 extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
889 /* List of known OS ABIs. If you change this, make sure to update the
893 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
895 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
902 GDB_OSABI_FREEBSD_AOUT,
903 GDB_OSABI_FREEBSD_ELF,
904 GDB_OSABI_NETBSD_AOUT,
905 GDB_OSABI_NETBSD_ELF,
906 GDB_OSABI_OPENBSD_ELF,
920 GDB_OSABI_INVALID /* keep this last */
923 /* Global functions from other, non-gdb GNU thingies.
924 Libiberty thingies are no longer declared here. We include libiberty.h
927 /* From other system libraries */
937 #define min(a, b) ((a) < (b) ? (a) : (b))
940 #define max(a, b) ((a) > (b) ? (a) : (b))
945 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
948 /* Various possibilities for alloca. */
951 #define alloca __builtin_alloca
952 #else /* Not GNU C */
960 /* We need to be careful not to declare this in a way which conflicts with
961 bison. Bison never declares it as char *, but under various circumstances
962 (like __hpux) we need to use void *. */
963 extern void *alloca ();
964 #endif /* Not _AIX */
965 #endif /* Not HAVE_ALLOCA_H */
966 #endif /* Not GNU C */
967 #endif /* alloca not defined */
969 /* Dynamic target-system-dependent parameters for GDB. */
972 /* Maximum size of a register. Something small, but large enough for
973 all known ISAs. If it turns out to be too small, make it bigger. */
975 enum { MAX_REGISTER_SIZE = 64 };
977 /* Static target-system-dependent parameters for GDB. */
979 /* Number of bits in a char or unsigned char for the target machine.
980 Just like CHAR_BIT in <limits.h> but describes the target machine. */
981 #if !defined (TARGET_CHAR_BIT)
982 #define TARGET_CHAR_BIT 8
985 /* If we picked up a copy of CHAR_BIT from a configuration file
986 (which may get it by including <limits.h>) then use it to set
987 the number of bits in a host char. If not, use the same size
990 #if defined (CHAR_BIT)
991 #define HOST_CHAR_BIT CHAR_BIT
993 #define HOST_CHAR_BIT TARGET_CHAR_BIT
998 extern LONGEST extract_signed_integer (const gdb_byte *, int,
1001 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
1004 extern int extract_long_unsigned_integer (const gdb_byte *, int,
1005 enum bfd_endian, LONGEST *);
1007 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1010 extern void store_signed_integer (gdb_byte *, int,
1011 enum bfd_endian, LONGEST);
1013 extern void store_unsigned_integer (gdb_byte *, int,
1014 enum bfd_endian, ULONGEST);
1016 extern void store_typed_address (gdb_byte *buf, struct type *type,
1022 extern int watchdog;
1024 /* Hooks for alternate command interfaces. */
1026 /* The name of the interpreter if specified on the command line. */
1027 extern char *interpreter_p;
1029 /* If a given interpreter matches INTERPRETER_P then it should update
1030 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1031 per-interpreter implementation. */
1032 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1033 should be moved here. */
1035 struct target_waitstatus;
1036 struct cmd_list_element;
1038 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1039 extern void (*deprecated_post_add_symbol_hook) (void);
1040 extern void (*selected_frame_level_changed_hook) (int);
1041 extern int (*deprecated_ui_loop_hook) (int signo);
1042 extern void (*deprecated_init_ui_hook) (char *argv0);
1043 extern void (*deprecated_command_loop_hook) (void);
1044 extern void (*deprecated_show_load_progress) (const char *section,
1045 unsigned long section_sent,
1046 unsigned long section_size,
1047 unsigned long total_sent,
1048 unsigned long total_size);
1049 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1053 extern int (*deprecated_query_hook) (const char *, va_list)
1054 ATTRIBUTE_FPTR_PRINTF(1,0);
1055 extern void (*deprecated_warning_hook) (const char *, va_list)
1056 ATTRIBUTE_FPTR_PRINTF(1,0);
1057 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1058 extern void (*deprecated_interactive_hook) (void);
1059 extern void (*deprecated_readline_begin_hook) (char *, ...)
1060 ATTRIBUTE_FPTR_PRINTF_1;
1061 extern char *(*deprecated_readline_hook) (char *);
1062 extern void (*deprecated_readline_end_hook) (void);
1063 extern void (*deprecated_register_changed_hook) (int regno);
1064 extern void (*deprecated_context_hook) (int);
1065 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1066 struct target_waitstatus *status,
1069 extern void (*deprecated_attach_hook) (void);
1070 extern void (*deprecated_detach_hook) (void);
1071 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1072 char *cmd, int from_tty);
1074 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1076 extern void (*deprecated_error_begin_hook) (void);
1078 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1082 /* Inhibit window interface if non-zero. */
1084 extern int use_windows;
1086 /* Definitions of filename-related things. */
1088 /* Host specific things. */
1092 # define GLOBAL_CURDIR
1093 # define DIRNAME_SEPARATOR ';'
1096 #if !defined (__CYGWIN__) && defined (_WIN32)
1097 # define DIRNAME_SEPARATOR ';'
1100 #ifndef DIRNAME_SEPARATOR
1101 #define DIRNAME_SEPARATOR ':'
1104 #ifndef SLASH_STRING
1105 #define SLASH_STRING "/"
1108 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1109 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1110 in the code actually refer to a lightweight process id, i.e,
1111 something that can be considered a process id in its own right for
1112 certain purposes. */
1115 #define PIDGET(PTID) (ptid_get_pid (PTID))
1116 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1117 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1120 /* Define well known filenos if the system does not define them. */
1121 #ifndef STDIN_FILENO
1122 #define STDIN_FILENO 0
1124 #ifndef STDOUT_FILENO
1125 #define STDOUT_FILENO 1
1127 #ifndef STDERR_FILENO
1128 #define STDERR_FILENO 2
1131 /* If this definition isn't overridden by the header files, assume
1132 that isatty and fileno exist on this system. */
1134 #define ISATTY(FP) (isatty (fileno (FP)))
1137 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1138 power of 2). Round up/down when necessary. Examples of correct
1141 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1142 write_memory (addr, value, len);
1147 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1148 write_memory (sp, value, len);
1150 Note that uses such as:
1152 write_memory (addr, value, len);
1153 addr += align_up (len, 8);
1157 sp -= align_up (len, 8);
1158 write_memory (sp, value, len);
1160 are typically not correct as they don't ensure that the address (SP
1161 or ADDR) is correctly aligned (relying on previous alignment to
1162 keep things right). This is also why the methods are called
1163 "align_..." instead of "round_..." as the latter reads better with
1164 this incorrect coding style. */
1166 extern ULONGEST align_up (ULONGEST v, int n);
1167 extern ULONGEST align_down (ULONGEST v, int n);
1169 /* Allocation and deallocation functions for the libiberty hash table
1170 which use obstacks. */
1171 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1172 void dummy_obstack_deallocate (void *object, void *data);
1174 /* From progspace.c */
1176 extern void initialize_progspace (void);
1177 extern void initialize_inferiors (void);
1179 /* Special block numbers */
1185 FIRST_LOCAL_BLOCK = 2
1188 #endif /* #ifndef DEFS_H */