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_dyn_string_delete (struct dyn_string *);
347 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
350 extern struct cleanup *
351 make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
353 struct section_addr_info;
354 extern struct cleanup *(make_cleanup_free_section_addr_info
355 (struct section_addr_info *));
357 extern struct cleanup *make_cleanup_close (int fd);
359 extern struct cleanup *make_cleanup_fclose (FILE *file);
361 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
364 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
366 extern struct cleanup *make_cleanup_restore_integer (int *variable);
367 extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
370 extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
372 extern struct cleanup *
373 make_cleanup_restore_ui_file (struct ui_file **variable);
375 extern struct cleanup *make_cleanup_value_free_to_mark (struct value *);
376 extern struct cleanup *make_cleanup_value_free (struct value *);
379 extern struct cleanup *make_cleanup_free_so (struct so_list *so);
381 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
383 extern struct cleanup *make_my_cleanup (struct cleanup **,
384 make_cleanup_ftype *, void *);
386 extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
388 extern struct cleanup *make_my_cleanup2 (struct cleanup **,
389 make_cleanup_ftype *, void *,
390 void (*free_arg) (void *));
392 extern struct cleanup *save_cleanups (void);
393 extern struct cleanup *save_final_cleanups (void);
394 extern struct cleanup *save_my_cleanups (struct cleanup **);
396 extern void restore_cleanups (struct cleanup *);
397 extern void restore_final_cleanups (struct cleanup *);
398 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
400 extern void free_current_contents (void *);
402 extern void null_cleanup (void *);
404 extern struct cleanup *make_command_stats_cleanup (int);
406 extern int myread (int, char *, int);
408 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
409 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
410 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
412 extern void init_page_info (void);
414 extern struct cleanup *make_cleanup_restore_page_info (void);
415 extern struct cleanup *
416 set_batch_flag_and_make_cleanup_restore_page_info (void);
418 extern char *gdb_realpath (const char *);
419 extern char *xfullpath (const char *);
421 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
422 unsigned char *buf, size_t len);
424 ULONGEST strtoulst (const char *num, const char **trailer, int base);
426 char *ldirname (const char *filename);
428 char **gdb_buildargv (const char *);
430 int compare_positive_ints (const void *ap, const void *bp);
432 /* A wrapper for bfd_errmsg to produce a more helpful error message
433 in the case of bfd_error_file_ambiguously recognized.
434 MATCHING, if non-NULL, is the corresponding argument to
435 bfd_check_format_matches, and will be freed. */
437 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
439 extern int parse_pid_to_attach (char *args);
441 extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
443 extern int producer_is_gcc_ge_4 (const char *producer);
445 /* From demangle.c */
447 extern void set_demangling_style (char *);
450 /* Annotation stuff. */
452 extern int annotation_level; /* in stack.c */
454 extern void begin_line (void);
456 extern void wrap_here (char *);
458 extern void reinitialize_more_filter (void);
461 extern struct ui_file *gdb_stdout;
463 extern struct ui_file *gdb_stdin;
464 /* Serious error notifications */
465 extern struct ui_file *gdb_stderr;
466 /* Log/debug/trace messages that should bypass normal stdout/stderr
467 filtering. For moment, always call this stream using
468 *_unfiltered. In the very near future that restriction shall be
469 removed - either call shall be unfiltered. (cagney 1999-06-13). */
470 extern struct ui_file *gdb_stdlog;
471 /* Target output that should bypass normal stdout/stderr filtering.
472 For moment, always call this stream using *_unfiltered. In the
473 very near future that restriction shall be removed - either call
474 shall be unfiltered. (cagney 1999-07-02). */
475 extern struct ui_file *gdb_stdtarg;
476 extern struct ui_file *gdb_stdtargerr;
477 extern struct ui_file *gdb_stdtargin;
481 /* More generic printf like operations. Filtered versions may return
482 non-locally on error. */
484 extern void fputs_filtered (const char *, struct ui_file *);
486 extern void fputs_unfiltered (const char *, struct ui_file *);
488 extern int fputc_filtered (int c, struct ui_file *);
490 extern int fputc_unfiltered (int c, struct ui_file *);
492 extern int putchar_filtered (int c);
494 extern int putchar_unfiltered (int c);
496 extern void puts_filtered (const char *);
498 extern void puts_unfiltered (const char *);
500 extern void puts_filtered_tabular (char *string, int width, int right);
502 extern void puts_debug (char *prefix, char *string, char *suffix);
504 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
506 extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
507 ATTRIBUTE_PRINTF (2, 0);
509 extern void fprintf_filtered (struct ui_file *, const char *, ...)
510 ATTRIBUTE_PRINTF (2, 3);
512 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
513 ATTRIBUTE_PRINTF (3, 4);
515 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
517 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
519 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
521 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
522 ATTRIBUTE_PRINTF (2, 0);
524 extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
525 ATTRIBUTE_PRINTF (2, 3);
527 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
529 extern void print_spaces (int, struct ui_file *);
531 extern void print_spaces_filtered (int, struct ui_file *);
533 extern char *n_spaces (int);
535 extern void fputstr_filtered (const char *str, int quotr,
536 struct ui_file * stream);
538 extern void fputstr_unfiltered (const char *str, int quotr,
539 struct ui_file * stream);
541 extern void fputstrn_filtered (const char *str, int n, int quotr,
542 struct ui_file * stream);
544 extern void fputstrn_unfiltered (const char *str, int n, int quotr,
545 struct ui_file * stream);
547 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
548 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
550 extern const char *host_address_to_string (const void *addr);
552 /* Convert CORE_ADDR to string in platform-specific manner.
553 This is usually formatted similar to 0x%lx. */
554 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
556 /* Return a string representation in hexadecimal notation of ADDRESS,
557 which is suitable for printing. */
559 extern const char *print_core_address (struct gdbarch *gdbarch,
562 /* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
564 extern hashval_t core_addr_hash (const void *ap);
565 extern int core_addr_eq (const void *ap, const void *bp);
568 extern char *plongest (LONGEST l);
569 /* %u for ULONGEST */
570 extern char *pulongest (ULONGEST l);
572 extern char *phex (ULONGEST l, int sizeof_l);
573 extern char *phex_nz (ULONGEST l, int sizeof_l);
574 extern char *int_string (LONGEST, int, int, int, int);
576 /* Convert a CORE_ADDR into a HEX string with leading zeros.
577 The output from core_addr_to_string() can be passed direct to
578 string_to_core_addr(). */
579 extern const char *core_addr_to_string (const CORE_ADDR addr);
580 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
581 extern CORE_ADDR string_to_core_addr (const char *my_string);
583 /* Return a string that contains a number formatted as a hex
585 extern char *hex_string (LONGEST);
586 extern char *hex_string_custom (LONGEST, int);
588 extern void fprintf_symbol_filtered (struct ui_file *, char *,
591 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
593 extern void print_sys_errmsg (const char *, int);
595 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
596 "const char *" in unistd.h, so we can't declare the argument
599 extern char *re_comp (const char *);
603 extern void symbol_file_command (char *, int);
605 /* Remote targets may wish to use this as their load function. */
606 extern void generic_load (char *name, int from_tty);
608 /* Report on STREAM the performance of memory transfer operation,
610 DATA_COUNT is the number of bytes transferred.
611 WRITE_COUNT is the number of separate write operations, or 0,
612 if that information is not available.
613 START_TIME is the time at which an operation was started.
614 END_TIME is the time at which an operation ended. */
616 extern void print_transfer_performance (struct ui_file *stream,
617 unsigned long data_count,
618 unsigned long write_count,
619 const struct timeval *start_time,
620 const struct timeval *end_time);
624 typedef void initialize_file_ftype (void);
626 extern char *skip_quoted (char *);
628 extern char *gdb_readline (char *);
630 extern char *gdb_readline_wrapper (char *);
632 extern char *command_line_input (char *, int, char *);
634 extern void print_prompt (void);
636 extern int input_from_terminal_p (void);
638 extern int info_verbose;
640 /* From printcmd.c */
642 extern void set_next_address (struct gdbarch *, CORE_ADDR);
644 extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
645 struct ui_file *, int, char *);
647 extern int build_address_symbolic (struct gdbarch *,
656 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
657 extern const char *pc_prefix (CORE_ADDR);
661 #define OPF_TRY_CWD_FIRST 0x01
662 #define OPF_SEARCH_IN_PATH 0x02
664 extern int openp (const char *, int, const char *, int, char **);
666 extern int source_full_path_of (const char *, char **);
668 extern void mod_path (char *, char **);
670 extern void add_path (char *, char **, int);
672 extern void directory_command (char *, int);
674 extern void directory_switch (char *, int);
676 extern char *source_path;
678 extern void init_source_path (void);
682 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
683 int read, int write, int exec,
686 /* Take over the 'find_mapped_memory' vector from exec.c. */
687 extern void exec_set_find_memory_regions
688 (int (*func) (find_memory_region_ftype func, void *data));
690 /* Possible lvalue types. Like enum language, this should be in
691 value.h, but needs to be here for the same reason. */
699 /* In a register. Registers are relative to a frame. */
701 /* In a gdb internal variable. */
703 /* Part of a gdb internal variable (structure field). */
704 lval_internalvar_component,
705 /* Value's bits are fetched and stored using functions provided by
710 /* Control types for commands */
712 enum misc_command_type
720 enum command_control_type
729 while_stepping_control,
733 /* Structure for saved commands lines
734 (for breakpoints, defined commands, etc). */
738 struct command_line *next;
740 enum command_control_type control_type;
741 /* The number of elements in body_list. */
743 /* For composite commands, the nested lists of commands. For
744 example, for "if" command this will contain the then branch and
745 the else branch, if that is available. */
746 struct command_line **body_list;
749 extern struct command_line *read_command_lines (char *, int, int,
750 void (*)(char *, void *),
752 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
753 void (*)(char *, void *),
756 extern void free_command_lines (struct command_line **);
758 /* String containing the current directory (what getwd would return). */
760 extern char *current_directory;
762 /* Default radixes for input and output. Only some values supported. */
763 extern unsigned input_radix;
764 extern unsigned output_radix;
766 /* Possibilities for prettyprint parameters to routines which print
767 things. Like enum language, this should be in value.h, but needs
768 to be here for the same reason. FIXME: If we can eliminate this
769 as an arg to LA_VAL_PRINT, then we can probably move it back to
774 Val_no_prettyprint = 0,
776 /* Use the default setting which the user has specified. */
780 /* Optional native machine support. Non-native (and possibly pure
781 multi-arch) targets do not need a "nm.h" file. This will be a
782 symlink to one of the nm-*.h files, built by the `configure'
789 /* Assume that fopen accepts the letter "b" in the mode string.
790 It is demanded by ISO C9X, and should be supported on all
791 platforms that claim to have a standard-conforming C library. On
792 true POSIX systems it will be ignored and have no effect. There
793 may still be systems without a standard-conforming C library where
794 an ISO C9X compiler (GCC) is available. Known examples are SunOS
795 4.x and 4.3BSD. This assumption means these systems are no longer
798 # include "fopen-bin.h"
801 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
802 FIXME: Assumes 2's complement arithmetic. */
804 #if !defined (UINT_MAX)
805 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
808 #if !defined (INT_MAX)
809 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
812 #if !defined (INT_MIN)
813 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
816 #if !defined (ULONG_MAX)
817 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
820 #if !defined (LONG_MAX)
821 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
824 #if !defined (ULONGEST_MAX)
825 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
828 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
829 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
832 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
833 arguments to a function, number in a value history, register number, etc.)
834 where the value must not be larger than can fit in an int. */
836 extern int longest_to_int (LONGEST);
838 /* Assorted functions we can declare, now that const and volatile are
841 extern char *savestring (const char *, size_t);
843 /* Utility macros to allocate typed memory. Avoids errors like:
844 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
845 sizeof (struct foo), 0). */
846 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
847 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
848 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
850 #include "common-utils.h"
852 extern int parse_escape (struct gdbarch *, char **);
854 /* Message to be printed before the error message, when an error occurs. */
856 extern char *error_pre_print;
858 /* Message to be printed before the error message, when an error occurs. */
860 extern char *quit_pre_print;
862 /* Message to be printed before the warning message, when a warning occurs. */
864 extern char *warning_pre_print;
866 extern void verror (const char *fmt, va_list ap)
867 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
869 extern void error (const char *fmt, ...)
870 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
872 extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
874 extern void vfatal (const char *fmt, va_list ap)
875 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
877 extern void fatal (const char *fmt, ...)
878 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
880 extern void internal_verror (const char *file, int line, const char *,
882 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
884 extern void internal_vwarning (const char *file, int line,
885 const char *, va_list ap)
886 ATTRIBUTE_PRINTF (3, 0);
888 extern void internal_warning (const char *file, int line,
889 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
891 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
893 extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
895 /* List of known OS ABIs. If you change this, make sure to update the
899 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
901 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
908 GDB_OSABI_FREEBSD_AOUT,
909 GDB_OSABI_FREEBSD_ELF,
910 GDB_OSABI_NETBSD_AOUT,
911 GDB_OSABI_NETBSD_ELF,
912 GDB_OSABI_OPENBSD_ELF,
926 GDB_OSABI_INVALID /* keep this last */
929 /* Global functions from other, non-gdb GNU thingies.
930 Libiberty thingies are no longer declared here. We include libiberty.h
933 /* From other system libraries */
943 #define min(a, b) ((a) < (b) ? (a) : (b))
946 #define max(a, b) ((a) > (b) ? (a) : (b))
951 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
954 /* Various possibilities for alloca. */
957 #define alloca __builtin_alloca
958 #else /* Not GNU C */
966 /* We need to be careful not to declare this in a way which conflicts with
967 bison. Bison never declares it as char *, but under various circumstances
968 (like __hpux) we need to use void *. */
969 extern void *alloca ();
970 #endif /* Not _AIX */
971 #endif /* Not HAVE_ALLOCA_H */
972 #endif /* Not GNU C */
973 #endif /* alloca not defined */
975 /* Dynamic target-system-dependent parameters for GDB. */
978 /* Maximum size of a register. Something small, but large enough for
979 all known ISAs. If it turns out to be too small, make it bigger. */
981 enum { MAX_REGISTER_SIZE = 64 };
983 /* Static target-system-dependent parameters for GDB. */
985 /* Number of bits in a char or unsigned char for the target machine.
986 Just like CHAR_BIT in <limits.h> but describes the target machine. */
987 #if !defined (TARGET_CHAR_BIT)
988 #define TARGET_CHAR_BIT 8
991 /* If we picked up a copy of CHAR_BIT from a configuration file
992 (which may get it by including <limits.h>) then use it to set
993 the number of bits in a host char. If not, use the same size
996 #if defined (CHAR_BIT)
997 #define HOST_CHAR_BIT CHAR_BIT
999 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1004 extern LONGEST extract_signed_integer (const gdb_byte *, int,
1007 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
1010 extern int extract_long_unsigned_integer (const gdb_byte *, int,
1011 enum bfd_endian, LONGEST *);
1013 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1016 extern void store_signed_integer (gdb_byte *, int,
1017 enum bfd_endian, LONGEST);
1019 extern void store_unsigned_integer (gdb_byte *, int,
1020 enum bfd_endian, ULONGEST);
1022 extern void store_typed_address (gdb_byte *buf, struct type *type,
1028 extern int watchdog;
1030 /* Hooks for alternate command interfaces. */
1032 /* The name of the interpreter if specified on the command line. */
1033 extern char *interpreter_p;
1035 /* If a given interpreter matches INTERPRETER_P then it should update
1036 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1037 per-interpreter implementation. */
1038 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1039 should be moved here. */
1041 struct target_waitstatus;
1042 struct cmd_list_element;
1044 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1045 extern void (*deprecated_post_add_symbol_hook) (void);
1046 extern void (*selected_frame_level_changed_hook) (int);
1047 extern int (*deprecated_ui_loop_hook) (int signo);
1048 extern void (*deprecated_init_ui_hook) (char *argv0);
1049 extern void (*deprecated_command_loop_hook) (void);
1050 extern void (*deprecated_show_load_progress) (const char *section,
1051 unsigned long section_sent,
1052 unsigned long section_size,
1053 unsigned long total_sent,
1054 unsigned long total_size);
1055 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1059 extern int (*deprecated_query_hook) (const char *, va_list)
1060 ATTRIBUTE_FPTR_PRINTF(1,0);
1061 extern void (*deprecated_warning_hook) (const char *, va_list)
1062 ATTRIBUTE_FPTR_PRINTF(1,0);
1063 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1064 extern void (*deprecated_interactive_hook) (void);
1065 extern void (*deprecated_readline_begin_hook) (char *, ...)
1066 ATTRIBUTE_FPTR_PRINTF_1;
1067 extern char *(*deprecated_readline_hook) (char *);
1068 extern void (*deprecated_readline_end_hook) (void);
1069 extern void (*deprecated_register_changed_hook) (int regno);
1070 extern void (*deprecated_context_hook) (int);
1071 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1072 struct target_waitstatus *status,
1075 extern void (*deprecated_attach_hook) (void);
1076 extern void (*deprecated_detach_hook) (void);
1077 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1078 char *cmd, int from_tty);
1080 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1082 extern void (*deprecated_error_begin_hook) (void);
1084 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1088 /* Inhibit window interface if non-zero. */
1090 extern int use_windows;
1092 /* Definitions of filename-related things. */
1094 /* Host specific things. */
1098 # define GLOBAL_CURDIR
1099 # define DIRNAME_SEPARATOR ';'
1102 #if !defined (__CYGWIN__) && defined (_WIN32)
1103 # define DIRNAME_SEPARATOR ';'
1106 #ifndef DIRNAME_SEPARATOR
1107 #define DIRNAME_SEPARATOR ':'
1110 #ifndef SLASH_STRING
1111 #define SLASH_STRING "/"
1114 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1115 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1116 in the code actually refer to a lightweight process id, i.e,
1117 something that can be considered a process id in its own right for
1118 certain purposes. */
1121 #define PIDGET(PTID) (ptid_get_pid (PTID))
1122 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1123 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1126 /* Define well known filenos if the system does not define them. */
1127 #ifndef STDIN_FILENO
1128 #define STDIN_FILENO 0
1130 #ifndef STDOUT_FILENO
1131 #define STDOUT_FILENO 1
1133 #ifndef STDERR_FILENO
1134 #define STDERR_FILENO 2
1137 /* If this definition isn't overridden by the header files, assume
1138 that isatty and fileno exist on this system. */
1140 #define ISATTY(FP) (isatty (fileno (FP)))
1143 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1144 power of 2). Round up/down when necessary. Examples of correct
1147 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1148 write_memory (addr, value, len);
1153 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1154 write_memory (sp, value, len);
1156 Note that uses such as:
1158 write_memory (addr, value, len);
1159 addr += align_up (len, 8);
1163 sp -= align_up (len, 8);
1164 write_memory (sp, value, len);
1166 are typically not correct as they don't ensure that the address (SP
1167 or ADDR) is correctly aligned (relying on previous alignment to
1168 keep things right). This is also why the methods are called
1169 "align_..." instead of "round_..." as the latter reads better with
1170 this incorrect coding style. */
1172 extern ULONGEST align_up (ULONGEST v, int n);
1173 extern ULONGEST align_down (ULONGEST v, int n);
1175 /* Allocation and deallocation functions for the libiberty hash table
1176 which use obstacks. */
1177 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1178 void dummy_obstack_deallocate (void *object, void *data);
1180 /* From progspace.c */
1182 extern void initialize_progspace (void);
1183 extern void initialize_inferiors (void);
1185 /* Special block numbers */
1191 FIRST_LOCAL_BLOCK = 2
1194 #endif /* #ifndef DEFS_H */