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 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/>. */
26 #include "config.h" /* Generated by configure. */
28 #include <sys/types.h>
30 #include <errno.h> /* System call error return status. */
34 /* The libdecnumber library, on which GDB depends, includes a header file
35 called gstdint.h instead of relying directly on stdint.h. GDB, on the
36 other hand, includes stdint.h directly, relying on the fact that gnulib
37 generates a copy if the system doesn't provide one or if it is missing
38 some features. Unfortunately, gstdint.h and stdint.h cannot be included
39 at the same time, which may happen when we include a file from
42 The following macro definition effectively prevents the inclusion of
43 gstdint.h, as all the definitions it provides are guarded against
44 the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h
45 included, so it's ok to blank out gstdint.h. */
46 #define GCC_GENERATED_STDINT_H 1
58 /* First include ansidecl.h so we can use the various macro definitions
59 here and in all subsequent file inclusions. */
63 #include "gdb_locale.h"
65 #include "gdb_wchar.h"
67 /* For ``enum target_signal''. */
68 #include "gdb/signals.h"
70 /* Just in case they're not defined in stdio.h. */
79 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
80 It is used as an access modifier in calls to open(), where it acts
81 similarly to the "b" character in fopen()'s MODE argument. On Posix
82 platforms it should be a no-op, so it is defined as 0 here. This
83 ensures that the symbol may be used freely elsewhere in gdb. */
89 #include <stdarg.h> /* For va_list. */
91 #include "libiberty.h"
93 /* Rather than duplicate all the logic in BFD for figuring out what
94 types to use (which can be pretty complicated), symply define them
95 in terms of the corresponding type from BFD. */
99 /* A byte from the program being debugged. */
100 typedef bfd_byte gdb_byte;
102 /* An address in the program being debugged. Host byte order. */
103 typedef bfd_vma CORE_ADDR;
105 /* The largest CORE_ADDR value. */
106 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
108 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
114 #define LONGEST BFD_HOST_64_BIT
115 #define ULONGEST BFD_HOST_U_64_BIT
119 #ifdef CC_HAS_LONG_LONG
120 #define LONGEST long long
121 #define ULONGEST unsigned long long
123 #ifdef BFD_HOST_64_BIT
124 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
125 (e.g. i386-windows) so try it. */
126 #define LONGEST BFD_HOST_64_BIT
127 #define ULONGEST BFD_HOST_U_64_BIT
130 #define ULONGEST unsigned long
134 #endif /* No BFD64 */
136 #endif /* ! LONGEST */
139 #define min(a, b) ((a) < (b) ? (a) : (b))
142 #define max(a, b) ((a) > (b) ? (a) : (b))
145 /* Check if a character is one of the commonly used C++ marker characters. */
146 extern int is_cplus_marker (int);
148 /* enable xdb commands if set */
149 extern int xdb_commands;
151 /* enable dbx commands if set */
152 extern int dbx_commands;
154 /* System root path, used to find libraries etc. */
155 extern char *gdb_sysroot;
157 /* GDB datadir, used to store data files. */
158 extern char *gdb_datadir;
160 /* If non-NULL, the possibly relocated path to python's "lib" directory
161 specified with --with-python. */
162 extern char *python_libdir;
164 /* Search path for separate debug files. */
165 extern char *debug_file_directory;
167 extern int quit_flag;
168 extern int immediate_quit;
169 extern int sevenbit_strings;
171 extern void quit (void);
173 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
174 benefits of having a ``QUIT'' macro rather than a function are
175 marginal. If the overhead of a QUIT function call is proving
176 significant then its calling frequency should probably be reduced
177 [kingdon]. A profile analyzing the current situtation is
181 if (quit_flag) quit (); \
182 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
185 /* Languages represented in the symbol table and elsewhere.
186 This should probably be in language.h, but since enum's can't
187 be forward declared to satisfy opaque references before their
188 actual definition, needs to be here. */
192 language_unknown, /* Language not known */
193 language_auto, /* Placeholder for automatic setting */
195 language_cplus, /* C++ */
197 language_objc, /* Objective-C */
198 language_java, /* Java */
199 language_fortran, /* Fortran */
200 language_m2, /* Modula-2 */
201 language_asm, /* Assembly language */
202 language_pascal, /* Pascal */
203 language_ada, /* Ada */
204 language_minimal, /* All other languages, minimal support only */
212 unspecified_precision
215 /* A generic, not quite boolean, enumeration. */
223 /* Potential ways that a function can return a value of a given type. */
224 enum return_value_convention
226 /* Where the return value has been squeezed into one or more
228 RETURN_VALUE_REGISTER_CONVENTION,
229 /* Commonly known as the "struct return convention". The caller
230 passes an additional hidden first parameter to the caller. That
231 parameter contains the address at which the value being returned
232 should be stored. While typically, and historically, used for
233 large structs, this is convention is applied to values of many
235 RETURN_VALUE_STRUCT_CONVENTION,
236 /* Like the "struct return convention" above, but where the ABI
237 guarantees that the called function stores the address at which
238 the value being returned is stored in a well-defined location,
239 such as a register or memory slot in the stack frame. Don't use
240 this if the ABI doesn't explicitly guarantees this. */
241 RETURN_VALUE_ABI_RETURNS_ADDRESS,
242 /* Like the "struct return convention" above, but where the ABI
243 guarantees that the address at which the value being returned is
244 stored will be available in a well-defined location, such as a
245 register or memory slot in the stack frame. Don't use this if
246 the ABI doesn't explicitly guarantees this. */
247 RETURN_VALUE_ABI_PRESERVES_ADDRESS,
250 /* the cleanup list records things that have to be undone
251 if an error happens (descriptors to be closed, memory to be freed, etc.)
252 Each link in the chain records a function to call and an
255 Use make_cleanup to add an element to the cleanup chain.
256 Use do_cleanups to do all cleanup actions back to a given
257 point in the chain. Use discard_cleanups to remove cleanups
258 from the chain back to a given point, not doing them.
260 If the argument is pointer to allocated memory, then you need to
261 to additionally set the 'free_arg' member to a function that will
262 free that memory. This function will be called both when the cleanup
263 is executed and when it's discarded. */
267 struct cleanup *next;
268 void (*function) (void *);
269 void (*free_arg) (void *);
273 /* Be conservative and use enum bitfields only with GCC.
274 This is copied from gcc 3.3.1, system.h. */
276 #if defined(__GNUC__) && (__GNUC__ >= 2)
277 #define ENUM_BITFIELD(TYPE) enum TYPE
279 #define ENUM_BITFIELD(TYPE) unsigned int
282 /* vec.h-style vectors of strings want a typedef for char * . */
284 typedef char * char_ptr;
286 /* Needed for various prototypes */
295 extern void initialize_utils (void);
297 extern void notice_quit (void);
299 extern int strcmp_iw (const char *, const char *);
301 extern int strcmp_iw_ordered (const char *, const char *);
303 extern int streq (const char *, const char *);
305 extern int subset_compare (char *, char *);
307 extern char *safe_strerror (int);
309 extern void set_display_time (int);
311 extern void set_display_space (int);
313 #define ALL_CLEANUPS ((struct cleanup *)0)
315 extern void do_cleanups (struct cleanup *);
316 extern void do_final_cleanups (struct cleanup *);
318 extern void discard_cleanups (struct cleanup *);
319 extern void discard_final_cleanups (struct cleanup *);
320 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
322 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
323 make_cleanup function declarations below. Do not use this typedef
324 as a cast when passing functions into the make_cleanup() code.
325 Instead either use a bounce function or add a wrapper function.
326 Calling a f(char*) function with f(void*) is non-portable. */
327 typedef void (make_cleanup_ftype) (void *);
329 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
331 extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
332 void (*dtor) (void *));
334 extern struct cleanup *make_cleanup_freeargv (char **);
337 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
340 extern struct cleanup *
341 make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
343 struct section_addr_info;
344 extern struct cleanup *(make_cleanup_free_section_addr_info
345 (struct section_addr_info *));
347 extern struct cleanup *make_cleanup_close (int fd);
349 extern struct cleanup *make_cleanup_fclose (FILE *file);
351 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
354 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
356 extern struct cleanup *make_cleanup_restore_integer (int *variable);
357 extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
360 extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
362 extern struct cleanup *
363 make_cleanup_restore_ui_file (struct ui_file **variable);
365 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
367 extern struct cleanup *make_my_cleanup (struct cleanup **,
368 make_cleanup_ftype *, void *);
370 extern struct cleanup *make_my_cleanup2 (struct cleanup **,
371 make_cleanup_ftype *, void *,
372 void (*free_arg) (void *));
374 extern struct cleanup *save_cleanups (void);
375 extern struct cleanup *save_final_cleanups (void);
376 extern struct cleanup *save_my_cleanups (struct cleanup **);
378 extern void restore_cleanups (struct cleanup *);
379 extern void restore_final_cleanups (struct cleanup *);
380 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
382 extern void free_current_contents (void *);
384 extern void null_cleanup (void *);
386 extern struct cleanup *make_command_stats_cleanup (int);
388 extern int myread (int, char *, int);
390 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
391 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
392 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
394 extern void init_page_info (void);
396 extern struct cleanup *make_cleanup_restore_page_info (void);
397 extern struct cleanup *
398 set_batch_flag_and_make_cleanup_restore_page_info (void);
400 extern char *gdb_realpath (const char *);
401 extern char *xfullpath (const char *);
403 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
404 unsigned char *buf, size_t len);
406 ULONGEST strtoulst (const char *num, const char **trailer, int base);
408 char *ldirname (const char *filename);
410 char **gdb_buildargv (const char *);
412 int compare_positive_ints (const void *ap, const void *bp);
414 /* A wrapper for bfd_errmsg to produce a more helpful error message
415 in the case of bfd_error_file_ambiguously recognized.
416 MATCHING, if non-NULL, is the corresponding argument to
417 bfd_check_format_matches, and will be freed. */
419 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
421 extern int parse_pid_to_attach (char *args);
423 /* From demangle.c */
425 extern void set_demangling_style (char *);
428 /* Annotation stuff. */
430 extern int annotation_level; /* in stack.c */
432 extern void begin_line (void);
434 extern void wrap_here (char *);
436 extern void reinitialize_more_filter (void);
439 extern struct ui_file *gdb_stdout;
441 extern struct ui_file *gdb_stdin;
442 /* Serious error notifications */
443 extern struct ui_file *gdb_stderr;
444 /* Log/debug/trace messages that should bypass normal stdout/stderr
445 filtering. For moment, always call this stream using
446 *_unfiltered. In the very near future that restriction shall be
447 removed - either call shall be unfiltered. (cagney 1999-06-13). */
448 extern struct ui_file *gdb_stdlog;
449 /* Target output that should bypass normal stdout/stderr filtering.
450 For moment, always call this stream using *_unfiltered. In the
451 very near future that restriction shall be removed - either call
452 shall be unfiltered. (cagney 1999-07-02). */
453 extern struct ui_file *gdb_stdtarg;
454 extern struct ui_file *gdb_stdtargerr;
455 extern struct ui_file *gdb_stdtargin;
459 /* More generic printf like operations. Filtered versions may return
460 non-locally on error. */
462 extern void fputs_filtered (const char *, struct ui_file *);
464 extern void fputs_unfiltered (const char *, struct ui_file *);
466 extern int fputc_filtered (int c, struct ui_file *);
468 extern int fputc_unfiltered (int c, struct ui_file *);
470 extern int putchar_filtered (int c);
472 extern int putchar_unfiltered (int c);
474 extern void puts_filtered (const char *);
476 extern void puts_unfiltered (const char *);
478 extern void puts_filtered_tabular (char *string, int width, int right);
480 extern void puts_debug (char *prefix, char *string, char *suffix);
482 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
484 extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTRIBUTE_PRINTF (2, 0);
486 extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
488 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTRIBUTE_PRINTF (3, 4);
490 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
492 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
494 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
496 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTRIBUTE_PRINTF (2, 0);
498 extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
500 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
502 extern void print_spaces (int, struct ui_file *);
504 extern void print_spaces_filtered (int, struct ui_file *);
506 extern char *n_spaces (int);
508 extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);
510 extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);
512 extern void fputstrn_filtered (const char *str, int n, int quotr, struct ui_file * stream);
514 extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);
516 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
517 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
519 extern const char *host_address_to_string (const void *addr);
521 /* Convert CORE_ADDR to string in platform-specific manner.
522 This is usually formatted similar to 0x%lx. */
523 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
526 extern char *plongest (LONGEST l);
527 /* %u for ULONGEST */
528 extern char *pulongest (ULONGEST l);
530 extern char *phex (ULONGEST l, int sizeof_l);
531 extern char *phex_nz (ULONGEST l, int sizeof_l);
532 extern char *int_string (LONGEST, int, int, int, int);
534 /* Convert a CORE_ADDR into a HEX string with leading zeros.
535 The output from core_addr_to_string() can be passed direct to
536 string_to_core_addr(). */
537 extern const char *core_addr_to_string (const CORE_ADDR addr);
538 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
539 extern CORE_ADDR string_to_core_addr (const char *my_string);
541 /* Return a string that contains a number formatted as a hex
543 extern char *hex_string (LONGEST);
544 extern char *hex_string_custom (LONGEST, int);
546 extern void fprintf_symbol_filtered (struct ui_file *, char *,
549 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
551 extern void print_sys_errmsg (const char *, int);
553 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
554 "const char *" in unistd.h, so we can't declare the argument
557 extern char *re_comp (const char *);
561 extern void symbol_file_command (char *, int);
563 /* Remote targets may wish to use this as their load function. */
564 extern void generic_load (char *name, int from_tty);
566 /* Report on STREAM the performance of memory transfer operation,
568 DATA_COUNT is the number of bytes transferred.
569 WRITE_COUNT is the number of separate write operations, or 0,
570 if that information is not available.
571 START_TIME is the time at which an operation was started.
572 END_TIME is the time at which an operation ended. */
574 extern void print_transfer_performance (struct ui_file *stream,
575 unsigned long data_count,
576 unsigned long write_count,
577 const struct timeval *start_time,
578 const struct timeval *end_time);
582 typedef void initialize_file_ftype (void);
584 extern char *skip_quoted (char *);
586 extern char *gdb_readline (char *);
588 extern char *gdb_readline_wrapper (char *);
590 extern char *command_line_input (char *, int, char *);
592 extern void print_prompt (void);
594 extern int input_from_terminal_p (void);
596 extern int info_verbose;
598 /* From printcmd.c */
600 extern void set_next_address (struct gdbarch *, CORE_ADDR);
602 extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
603 struct ui_file *, int, char *);
605 extern int build_address_symbolic (struct gdbarch *,
614 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
615 extern const char *pc_prefix (CORE_ADDR);
619 #define OPF_TRY_CWD_FIRST 0x01
620 #define OPF_SEARCH_IN_PATH 0x02
622 extern int openp (const char *, int, const char *, int, char **);
624 extern int source_full_path_of (const char *, char **);
626 extern void mod_path (char *, char **);
628 extern void add_path (char *, char **, int);
630 extern void directory_command (char *, int);
632 extern void directory_switch (char *, int);
634 extern char *source_path;
636 extern void init_source_path (void);
640 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
641 int read, int write, int exec,
644 /* Take over the 'find_mapped_memory' vector from exec.c. */
645 extern void exec_set_find_memory_regions
646 (int (*func) (find_memory_region_ftype func, void *data));
648 /* Possible lvalue types. Like enum language, this should be in
649 value.h, but needs to be here for the same reason. */
657 /* In a register. Registers are relative to a frame. */
659 /* In a gdb internal variable. */
661 /* Part of a gdb internal variable (structure field). */
662 lval_internalvar_component,
663 /* Value's bits are fetched and stored using functions provided by
668 /* Control types for commands */
670 enum misc_command_type
678 enum command_control_type
687 while_stepping_control,
691 /* Structure for saved commands lines
692 (for breakpoints, defined commands, etc). */
696 struct command_line *next;
698 enum command_control_type control_type;
699 /* The number of elements in body_list. */
701 /* For composite commands, the nested lists of
702 commands. For example, for "if" command this
703 will contain the then branch and the else
704 branch, if that is available. */
705 struct command_line **body_list;
708 extern struct command_line *read_command_lines (char *, int, int,
709 void (*)(char *, void *),
711 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
712 void (*)(char *, void *),
715 extern void free_command_lines (struct command_line **);
717 /* To continue the execution commands when running gdb asynchronously.
718 A continuation structure contains a pointer to a function to be called
719 to finish the command, once the target has stopped. Such mechanism is
720 used by the finish and until commands, and in the remote protocol
721 when opening an extended-remote connection. */
729 /* Thread specific continuations. */
731 extern void add_continuation (struct thread_info *,
732 void (*)(void *), void *,
734 extern void do_all_continuations (void);
735 extern void do_all_continuations_thread (struct thread_info *);
736 extern void discard_all_continuations (void);
737 extern void discard_all_continuations_thread (struct thread_info *);
739 extern void add_intermediate_continuation (struct thread_info *,
740 void (*)(void *), void *,
742 extern void do_all_intermediate_continuations (void);
743 extern void do_all_intermediate_continuations_thread (struct thread_info *);
744 extern void discard_all_intermediate_continuations (void);
745 extern void discard_all_intermediate_continuations_thread (struct thread_info *);
747 /* Inferior specific (any thread) continuations. */
749 extern void add_inferior_continuation (void (*) (void *),
752 extern void do_all_inferior_continuations (void);
753 extern void discard_all_inferior_continuations (struct inferior *inf);
755 /* String containing the current directory (what getwd would return). */
757 extern char *current_directory;
759 /* Default radixes for input and output. Only some values supported. */
760 extern unsigned input_radix;
761 extern unsigned output_radix;
763 /* Possibilities for prettyprint parameters to routines which print
764 things. Like enum language, this should be in value.h, but needs
765 to be here for the same reason. FIXME: If we can eliminate this
766 as an arg to LA_VAL_PRINT, then we can probably move it back to
771 Val_no_prettyprint = 0,
773 /* Use the default setting which the user has specified. */
777 /* The ptid struct is a collection of the various "ids" necessary
778 for identifying the inferior. This consists of the process id
779 (pid), thread id (tid), and other fields necessary for uniquely
780 identifying the inferior process/thread being debugged. When
781 manipulating ptids, the constructors, accessors, and predicate
782 declared in inferior.h should be used. These are as follows:
784 ptid_build - Make a new ptid from a pid, lwp, and tid.
785 pid_to_ptid - Make a new ptid from just a pid.
786 ptid_get_pid - Fetch the pid component of a ptid.
787 ptid_get_lwp - Fetch the lwp component of a ptid.
788 ptid_get_tid - Fetch the tid component of a ptid.
789 ptid_equal - Test to see if two ptids are equal.
790 ptid_is_pid - Test to see if this ptid represents a process id.
792 Please do NOT access the struct ptid members directly (except, of
793 course, in the implementation of the above ptid manipulation
801 /* Lightweight process id */
808 typedef struct ptid ptid_t;
812 /* Optional native machine support. Non-native (and possibly pure
813 multi-arch) targets do not need a "nm.h" file. This will be a
814 symlink to one of the nm-*.h files, built by the `configure'
821 /* Assume that fopen accepts the letter "b" in the mode string.
822 It is demanded by ISO C9X, and should be supported on all
823 platforms that claim to have a standard-conforming C library. On
824 true POSIX systems it will be ignored and have no effect. There
825 may still be systems without a standard-conforming C library where
826 an ISO C9X compiler (GCC) is available. Known examples are SunOS
827 4.x and 4.3BSD. This assumption means these systems are no longer
830 # include "fopen-bin.h"
833 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
834 FIXME: Assumes 2's complement arithmetic */
836 #if !defined (UINT_MAX)
837 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
840 #if !defined (INT_MAX)
841 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
844 #if !defined (INT_MIN)
845 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
848 #if !defined (ULONG_MAX)
849 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
852 #if !defined (LONG_MAX)
853 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
856 #if !defined (ULONGEST_MAX)
857 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
860 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
861 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
864 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
865 arguments to a function, number in a value history, register number, etc.)
866 where the value must not be larger than can fit in an int. */
868 extern int longest_to_int (LONGEST);
870 /* Assorted functions we can declare, now that const and volatile are
873 extern char *savestring (const char *, size_t);
875 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
877 extern void xfree (void *);
879 /* Like xmalloc, but zero the memory. */
880 extern void *xzalloc (size_t);
882 /* Utility macros to allocate typed memory. Avoids errors like:
883 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
884 sizeof (struct foo), 0). */
885 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
886 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
887 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
889 /* Like asprintf/vasprintf but get an internal_error if the call
891 extern void xasprintf (char **ret, const char *format, ...) ATTRIBUTE_PRINTF (2, 3);
892 extern void xvasprintf (char **ret, const char *format, va_list ap)
893 ATTRIBUTE_PRINTF (2, 0);
895 /* Like asprintf and vasprintf, but return the string, throw an error
897 extern char *xstrprintf (const char *format, ...) ATTRIBUTE_PRINTF (1, 2);
898 extern char *xstrvprintf (const char *format, va_list ap)
899 ATTRIBUTE_PRINTF (1, 0);
901 /* Like snprintf, but throw an error if the output buffer is too small. */
902 extern int xsnprintf (char *str, size_t size, const char *format, ...)
903 ATTRIBUTE_PRINTF (3, 4);
905 extern int parse_escape (struct gdbarch *, char **);
907 /* Message to be printed before the error message, when an error occurs. */
909 extern char *error_pre_print;
911 /* Message to be printed before the error message, when an error occurs. */
913 extern char *quit_pre_print;
915 /* Message to be printed before the warning message, when a warning occurs. */
917 extern char *warning_pre_print;
919 extern void verror (const char *fmt, va_list ap)
920 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
922 extern void error (const char *fmt, ...)
923 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
925 extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
927 extern void vfatal (const char *fmt, va_list ap)
928 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
930 extern void fatal (const char *fmt, ...)
931 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
933 extern void internal_verror (const char *file, int line, const char *,
935 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
937 extern void internal_error (const char *file, int line, const char *, ...)
938 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 4);
940 extern void internal_vwarning (const char *file, int line,
941 const char *, va_list ap)
942 ATTRIBUTE_PRINTF (3, 0);
944 extern void internal_warning (const char *file, int line,
945 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
947 extern void nomem (long) ATTRIBUTE_NORETURN;
949 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
951 extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
953 /* List of known OS ABIs. If you change this, make sure to update the
957 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
959 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
966 GDB_OSABI_FREEBSD_AOUT,
967 GDB_OSABI_FREEBSD_ELF,
968 GDB_OSABI_NETBSD_AOUT,
969 GDB_OSABI_NETBSD_ELF,
970 GDB_OSABI_OPENBSD_ELF,
984 GDB_OSABI_INVALID /* keep this last */
987 /* Global functions from other, non-gdb GNU thingies.
988 Libiberty thingies are no longer declared here. We include libiberty.h
991 /* From other system libraries */
1001 #define min(a, b) ((a) < (b) ? (a) : (b))
1004 #define max(a, b) ((a) > (b) ? (a) : (b))
1009 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1012 /* Various possibilities for alloca. */
1015 #define alloca __builtin_alloca
1016 #else /* Not GNU C */
1017 #ifdef HAVE_ALLOCA_H
1024 /* We need to be careful not to declare this in a way which conflicts with
1025 bison. Bison never declares it as char *, but under various circumstances
1026 (like __hpux) we need to use void *. */
1027 extern void *alloca ();
1028 #endif /* Not _AIX */
1029 #endif /* Not HAVE_ALLOCA_H */
1030 #endif /* Not GNU C */
1031 #endif /* alloca not defined */
1033 /* Dynamic target-system-dependent parameters for GDB. */
1034 #include "gdbarch.h"
1036 /* Maximum size of a register. Something small, but large enough for
1037 all known ISAs. If it turns out to be too small, make it bigger. */
1039 enum { MAX_REGISTER_SIZE = 64 };
1041 /* Static target-system-dependent parameters for GDB. */
1043 /* Number of bits in a char or unsigned char for the target machine.
1044 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1045 #if !defined (TARGET_CHAR_BIT)
1046 #define TARGET_CHAR_BIT 8
1049 /* If we picked up a copy of CHAR_BIT from a configuration file
1050 (which may get it by including <limits.h>) then use it to set
1051 the number of bits in a host char. If not, use the same size
1054 #if defined (CHAR_BIT)
1055 #define HOST_CHAR_BIT CHAR_BIT
1057 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1062 extern LONGEST extract_signed_integer (const gdb_byte *, int,
1065 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
1068 extern int extract_long_unsigned_integer (const gdb_byte *, int,
1069 enum bfd_endian, LONGEST *);
1071 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1074 extern void store_signed_integer (gdb_byte *, int,
1075 enum bfd_endian, LONGEST);
1077 extern void store_unsigned_integer (gdb_byte *, int,
1078 enum bfd_endian, ULONGEST);
1080 extern void store_typed_address (gdb_byte *buf, struct type *type,
1086 extern int watchdog;
1088 /* Hooks for alternate command interfaces. */
1090 /* The name of the interpreter if specified on the command line. */
1091 extern char *interpreter_p;
1093 /* If a given interpreter matches INTERPRETER_P then it should update
1094 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1095 per-interpreter implementation. */
1096 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1097 should be moved here. */
1099 struct target_waitstatus;
1100 struct cmd_list_element;
1102 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1103 extern void (*deprecated_post_add_symbol_hook) (void);
1104 extern void (*selected_frame_level_changed_hook) (int);
1105 extern int (*deprecated_ui_loop_hook) (int signo);
1106 extern void (*deprecated_init_ui_hook) (char *argv0);
1107 extern void (*deprecated_command_loop_hook) (void);
1108 extern void (*deprecated_show_load_progress) (const char *section,
1109 unsigned long section_sent,
1110 unsigned long section_size,
1111 unsigned long total_sent,
1112 unsigned long total_size);
1113 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1114 int line, int stopline,
1116 extern int (*deprecated_query_hook) (const char *, va_list)
1117 ATTRIBUTE_FPTR_PRINTF(1,0);
1118 extern void (*deprecated_warning_hook) (const char *, va_list)
1119 ATTRIBUTE_FPTR_PRINTF(1,0);
1120 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1121 extern void (*deprecated_interactive_hook) (void);
1122 extern void (*deprecated_readline_begin_hook) (char *, ...)
1123 ATTRIBUTE_FPTR_PRINTF_1;
1124 extern char *(*deprecated_readline_hook) (char *);
1125 extern void (*deprecated_readline_end_hook) (void);
1126 extern void (*deprecated_register_changed_hook) (int regno);
1127 extern void (*deprecated_context_hook) (int);
1128 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1129 struct target_waitstatus *status,
1132 extern void (*deprecated_attach_hook) (void);
1133 extern void (*deprecated_detach_hook) (void);
1134 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1135 char *cmd, int from_tty);
1137 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1139 extern void (*deprecated_error_begin_hook) (void);
1141 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1145 /* Inhibit window interface if non-zero. */
1147 extern int use_windows;
1149 /* Definitions of filename-related things. */
1151 /* Host specific things. */
1155 # define GLOBAL_CURDIR
1156 # define DIRNAME_SEPARATOR ';'
1159 #if !defined (__CYGWIN__) && defined (_WIN32)
1160 # define DIRNAME_SEPARATOR ';'
1163 #ifndef DIRNAME_SEPARATOR
1164 #define DIRNAME_SEPARATOR ':'
1167 #ifndef SLASH_STRING
1168 #define SLASH_STRING "/"
1171 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1172 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1173 in the code actually refer to a lightweight process id, i.e,
1174 something that can be considered a process id in its own right for
1175 certain purposes. */
1178 #define PIDGET(PTID) (ptid_get_pid (PTID))
1179 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1180 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1183 /* Define well known filenos if the system does not define them. */
1184 #ifndef STDIN_FILENO
1185 #define STDIN_FILENO 0
1187 #ifndef STDOUT_FILENO
1188 #define STDOUT_FILENO 1
1190 #ifndef STDERR_FILENO
1191 #define STDERR_FILENO 2
1194 /* If this definition isn't overridden by the header files, assume
1195 that isatty and fileno exist on this system. */
1197 #define ISATTY(FP) (isatty (fileno (FP)))
1200 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1201 power of 2). Round up/down when necessary. Examples of correct
1204 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1205 write_memory (addr, value, len);
1210 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1211 write_memory (sp, value, len);
1213 Note that uses such as:
1215 write_memory (addr, value, len);
1216 addr += align_up (len, 8);
1220 sp -= align_up (len, 8);
1221 write_memory (sp, value, len);
1223 are typically not correct as they don't ensure that the address (SP
1224 or ADDR) is correctly aligned (relying on previous alignment to
1225 keep things right). This is also why the methods are called
1226 "align_..." instead of "round_..." as the latter reads better with
1227 this incorrect coding style. */
1229 extern ULONGEST align_up (ULONGEST v, int n);
1230 extern ULONGEST align_down (ULONGEST v, int n);
1232 /* Allocation and deallocation functions for the libiberty hash table
1233 which use obstacks. */
1234 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1235 void dummy_obstack_deallocate (void *object, void *data);
1237 /* From progspace.c */
1239 extern void initialize_progspace (void);
1240 extern void initialize_inferiors (void);
1242 #endif /* #ifndef DEFS_H */