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/>. */
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_opencl, /* OpenCL */
205 language_minimal, /* All other languages, minimal support only */
213 unspecified_precision
216 /* A generic, not quite boolean, enumeration. */
224 /* Potential ways that a function can return a value of a given type. */
225 enum return_value_convention
227 /* Where the return value has been squeezed into one or more
229 RETURN_VALUE_REGISTER_CONVENTION,
230 /* Commonly known as the "struct return convention". The caller
231 passes an additional hidden first parameter to the caller. That
232 parameter contains the address at which the value being returned
233 should be stored. While typically, and historically, used for
234 large structs, this is convention is applied to values of many
236 RETURN_VALUE_STRUCT_CONVENTION,
237 /* Like the "struct return convention" above, but where the ABI
238 guarantees that the called function stores the address at which
239 the value being returned is stored in a well-defined location,
240 such as a register or memory slot in the stack frame. Don't use
241 this if the ABI doesn't explicitly guarantees this. */
242 RETURN_VALUE_ABI_RETURNS_ADDRESS,
243 /* Like the "struct return convention" above, but where the ABI
244 guarantees that the address at which the value being returned is
245 stored will be available in a well-defined location, such as a
246 register or memory slot in the stack frame. Don't use this if
247 the ABI doesn't explicitly guarantees this. */
248 RETURN_VALUE_ABI_PRESERVES_ADDRESS,
251 /* the cleanup list records things that have to be undone
252 if an error happens (descriptors to be closed, memory to be freed, etc.)
253 Each link in the chain records a function to call and an
256 Use make_cleanup to add an element to the cleanup chain.
257 Use do_cleanups to do all cleanup actions back to a given
258 point in the chain. Use discard_cleanups to remove cleanups
259 from the chain back to a given point, not doing them.
261 If the argument is pointer to allocated memory, then you need
262 to additionally set the 'free_arg' member to a function that will
263 free that memory. This function will be called both when the cleanup
264 is executed and when it's discarded. */
268 struct cleanup *next;
269 void (*function) (void *);
270 void (*free_arg) (void *);
274 /* vec.h-style vectors of strings want a typedef for char * . */
276 typedef char * char_ptr;
278 /* Needed for various prototypes */
287 extern void initialize_utils (void);
289 extern void notice_quit (void);
291 extern int strcmp_iw (const char *, const char *);
293 extern int strcmp_iw_ordered (const char *, const char *);
295 extern int streq (const char *, const char *);
297 extern int subset_compare (char *, char *);
299 extern char *safe_strerror (int);
301 extern void set_display_time (int);
303 extern void set_display_space (int);
305 #define ALL_CLEANUPS ((struct cleanup *)0)
307 extern void do_cleanups (struct cleanup *);
308 extern void do_final_cleanups (struct cleanup *);
310 extern void discard_cleanups (struct cleanup *);
311 extern void discard_final_cleanups (struct cleanup *);
312 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
314 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
315 make_cleanup function declarations below. Do not use this typedef
316 as a cast when passing functions into the make_cleanup() code.
317 Instead either use a bounce function or add a wrapper function.
318 Calling a f(char*) function with f(void*) is non-portable. */
319 typedef void (make_cleanup_ftype) (void *);
321 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
323 extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
324 void (*dtor) (void *));
326 extern struct cleanup *make_cleanup_freeargv (char **);
329 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
332 extern struct cleanup *
333 make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
335 struct section_addr_info;
336 extern struct cleanup *(make_cleanup_free_section_addr_info
337 (struct section_addr_info *));
339 extern struct cleanup *make_cleanup_close (int fd);
341 extern struct cleanup *make_cleanup_fclose (FILE *file);
343 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
346 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
348 extern struct cleanup *make_cleanup_restore_integer (int *variable);
349 extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
352 extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
354 extern struct cleanup *
355 make_cleanup_restore_ui_file (struct ui_file **variable);
357 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
359 extern struct cleanup *make_my_cleanup (struct cleanup **,
360 make_cleanup_ftype *, void *);
362 extern struct cleanup *make_my_cleanup2 (struct cleanup **,
363 make_cleanup_ftype *, void *,
364 void (*free_arg) (void *));
366 extern struct cleanup *save_cleanups (void);
367 extern struct cleanup *save_final_cleanups (void);
368 extern struct cleanup *save_my_cleanups (struct cleanup **);
370 extern void restore_cleanups (struct cleanup *);
371 extern void restore_final_cleanups (struct cleanup *);
372 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
374 extern void free_current_contents (void *);
376 extern void null_cleanup (void *);
378 extern struct cleanup *make_command_stats_cleanup (int);
380 extern int myread (int, char *, int);
382 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
383 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
384 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
386 extern void init_page_info (void);
388 extern struct cleanup *make_cleanup_restore_page_info (void);
389 extern struct cleanup *
390 set_batch_flag_and_make_cleanup_restore_page_info (void);
392 extern char *gdb_realpath (const char *);
393 extern char *xfullpath (const char *);
395 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
396 unsigned char *buf, size_t len);
398 ULONGEST strtoulst (const char *num, const char **trailer, int base);
400 char *ldirname (const char *filename);
402 char **gdb_buildargv (const char *);
404 int compare_positive_ints (const void *ap, const void *bp);
406 /* A wrapper for bfd_errmsg to produce a more helpful error message
407 in the case of bfd_error_file_ambiguously recognized.
408 MATCHING, if non-NULL, is the corresponding argument to
409 bfd_check_format_matches, and will be freed. */
411 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
413 extern int parse_pid_to_attach (char *args);
415 /* From demangle.c */
417 extern void set_demangling_style (char *);
420 /* Annotation stuff. */
422 extern int annotation_level; /* in stack.c */
424 extern void begin_line (void);
426 extern void wrap_here (char *);
428 extern void reinitialize_more_filter (void);
431 extern struct ui_file *gdb_stdout;
433 extern struct ui_file *gdb_stdin;
434 /* Serious error notifications */
435 extern struct ui_file *gdb_stderr;
436 /* Log/debug/trace messages that should bypass normal stdout/stderr
437 filtering. For moment, always call this stream using
438 *_unfiltered. In the very near future that restriction shall be
439 removed - either call shall be unfiltered. (cagney 1999-06-13). */
440 extern struct ui_file *gdb_stdlog;
441 /* Target output that should bypass normal stdout/stderr filtering.
442 For moment, always call this stream using *_unfiltered. In the
443 very near future that restriction shall be removed - either call
444 shall be unfiltered. (cagney 1999-07-02). */
445 extern struct ui_file *gdb_stdtarg;
446 extern struct ui_file *gdb_stdtargerr;
447 extern struct ui_file *gdb_stdtargin;
451 /* More generic printf like operations. Filtered versions may return
452 non-locally on error. */
454 extern void fputs_filtered (const char *, struct ui_file *);
456 extern void fputs_unfiltered (const char *, struct ui_file *);
458 extern int fputc_filtered (int c, struct ui_file *);
460 extern int fputc_unfiltered (int c, struct ui_file *);
462 extern int putchar_filtered (int c);
464 extern int putchar_unfiltered (int c);
466 extern void puts_filtered (const char *);
468 extern void puts_unfiltered (const char *);
470 extern void puts_filtered_tabular (char *string, int width, int right);
472 extern void puts_debug (char *prefix, char *string, char *suffix);
474 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
476 extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
477 ATTRIBUTE_PRINTF (2, 0);
479 extern void fprintf_filtered (struct ui_file *, const char *, ...)
480 ATTRIBUTE_PRINTF (2, 3);
482 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
483 ATTRIBUTE_PRINTF (3, 4);
485 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
487 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
489 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
491 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
492 ATTRIBUTE_PRINTF (2, 0);
494 extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
495 ATTRIBUTE_PRINTF (2, 3);
497 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
499 extern void print_spaces (int, struct ui_file *);
501 extern void print_spaces_filtered (int, struct ui_file *);
503 extern char *n_spaces (int);
505 extern void fputstr_filtered (const char *str, int quotr,
506 struct ui_file * stream);
508 extern void fputstr_unfiltered (const char *str, int quotr,
509 struct ui_file * stream);
511 extern void fputstrn_filtered (const char *str, int n, int quotr,
512 struct ui_file * stream);
514 extern void fputstrn_unfiltered (const char *str, int n, int quotr,
515 struct ui_file * stream);
517 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
518 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
520 extern const char *host_address_to_string (const void *addr);
522 /* Convert CORE_ADDR to string in platform-specific manner.
523 This is usually formatted similar to 0x%lx. */
524 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
526 /* Return a string representation in hexadecimal notation of ADDRESS,
527 which is suitable for printing. */
529 extern const char *print_core_address (struct gdbarch *gdbarch,
533 extern char *plongest (LONGEST l);
534 /* %u for ULONGEST */
535 extern char *pulongest (ULONGEST l);
537 extern char *phex (ULONGEST l, int sizeof_l);
538 extern char *phex_nz (ULONGEST l, int sizeof_l);
539 extern char *int_string (LONGEST, int, int, int, int);
541 /* Convert a CORE_ADDR into a HEX string with leading zeros.
542 The output from core_addr_to_string() can be passed direct to
543 string_to_core_addr(). */
544 extern const char *core_addr_to_string (const CORE_ADDR addr);
545 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
546 extern CORE_ADDR string_to_core_addr (const char *my_string);
548 /* Return a string that contains a number formatted as a hex
550 extern char *hex_string (LONGEST);
551 extern char *hex_string_custom (LONGEST, int);
553 extern void fprintf_symbol_filtered (struct ui_file *, char *,
556 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
558 extern void print_sys_errmsg (const char *, int);
560 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
561 "const char *" in unistd.h, so we can't declare the argument
564 extern char *re_comp (const char *);
568 extern void symbol_file_command (char *, int);
570 /* Remote targets may wish to use this as their load function. */
571 extern void generic_load (char *name, int from_tty);
573 /* Report on STREAM the performance of memory transfer operation,
575 DATA_COUNT is the number of bytes transferred.
576 WRITE_COUNT is the number of separate write operations, or 0,
577 if that information is not available.
578 START_TIME is the time at which an operation was started.
579 END_TIME is the time at which an operation ended. */
581 extern void print_transfer_performance (struct ui_file *stream,
582 unsigned long data_count,
583 unsigned long write_count,
584 const struct timeval *start_time,
585 const struct timeval *end_time);
589 typedef void initialize_file_ftype (void);
591 extern char *skip_quoted (char *);
593 extern char *gdb_readline (char *);
595 extern char *gdb_readline_wrapper (char *);
597 extern char *command_line_input (char *, int, char *);
599 extern void print_prompt (void);
601 extern int input_from_terminal_p (void);
603 extern int info_verbose;
605 /* From printcmd.c */
607 extern void set_next_address (struct gdbarch *, CORE_ADDR);
609 extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
610 struct ui_file *, int, char *);
612 extern int build_address_symbolic (struct gdbarch *,
621 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
622 extern const char *pc_prefix (CORE_ADDR);
626 #define OPF_TRY_CWD_FIRST 0x01
627 #define OPF_SEARCH_IN_PATH 0x02
629 extern int openp (const char *, int, const char *, int, char **);
631 extern int source_full_path_of (const char *, char **);
633 extern void mod_path (char *, char **);
635 extern void add_path (char *, char **, int);
637 extern void directory_command (char *, int);
639 extern void directory_switch (char *, int);
641 extern char *source_path;
643 extern void init_source_path (void);
647 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
648 int read, int write, int exec,
651 /* Take over the 'find_mapped_memory' vector from exec.c. */
652 extern void exec_set_find_memory_regions
653 (int (*func) (find_memory_region_ftype func, void *data));
655 /* Possible lvalue types. Like enum language, this should be in
656 value.h, but needs to be here for the same reason. */
664 /* In a register. Registers are relative to a frame. */
666 /* In a gdb internal variable. */
668 /* Part of a gdb internal variable (structure field). */
669 lval_internalvar_component,
670 /* Value's bits are fetched and stored using functions provided by
675 /* Control types for commands */
677 enum misc_command_type
685 enum command_control_type
694 while_stepping_control,
698 /* Structure for saved commands lines
699 (for breakpoints, defined commands, etc). */
703 struct command_line *next;
705 enum command_control_type control_type;
706 /* The number of elements in body_list. */
708 /* For composite commands, the nested lists of commands. For
709 example, for "if" command this will contain the then branch and
710 the else branch, if that is available. */
711 struct command_line **body_list;
714 extern struct command_line *read_command_lines (char *, int, int,
715 void (*)(char *, void *),
717 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
718 void (*)(char *, void *),
721 extern void free_command_lines (struct command_line **);
723 /* To continue the execution commands when running gdb asynchronously.
724 A continuation structure contains a pointer to a function to be called
725 to finish the command, once the target has stopped. Such mechanism is
726 used by the finish and until commands, and in the remote protocol
727 when opening an extended-remote connection. */
735 /* Thread specific continuations. */
737 extern void add_continuation (struct thread_info *,
738 void (*)(void *), void *,
740 extern void do_all_continuations (void);
741 extern void do_all_continuations_thread (struct thread_info *);
742 extern void discard_all_continuations (void);
743 extern void discard_all_continuations_thread (struct thread_info *);
745 extern void add_intermediate_continuation (struct thread_info *,
746 void (*)(void *), void *,
748 extern void do_all_intermediate_continuations (void);
749 extern void do_all_intermediate_continuations_thread (struct thread_info *);
750 extern void discard_all_intermediate_continuations (void);
751 extern void discard_all_intermediate_continuations_thread (struct thread_info *);
753 /* Inferior specific (any thread) continuations. */
755 extern void add_inferior_continuation (void (*) (void *),
758 extern void do_all_inferior_continuations (void);
759 extern void discard_all_inferior_continuations (struct inferior *inf);
761 /* String containing the current directory (what getwd would return). */
763 extern char *current_directory;
765 /* Default radixes for input and output. Only some values supported. */
766 extern unsigned input_radix;
767 extern unsigned output_radix;
769 /* Possibilities for prettyprint parameters to routines which print
770 things. Like enum language, this should be in value.h, but needs
771 to be here for the same reason. FIXME: If we can eliminate this
772 as an arg to LA_VAL_PRINT, then we can probably move it back to
777 Val_no_prettyprint = 0,
779 /* Use the default setting which the user has specified. */
783 /* The ptid struct is a collection of the various "ids" necessary
784 for identifying the inferior. This consists of the process id
785 (pid), thread id (tid), and other fields necessary for uniquely
786 identifying the inferior process/thread being debugged. When
787 manipulating ptids, the constructors, accessors, and predicate
788 declared in inferior.h should be used. These are as follows:
790 ptid_build - Make a new ptid from a pid, lwp, and tid.
791 pid_to_ptid - Make a new ptid from just a pid.
792 ptid_get_pid - Fetch the pid component of a ptid.
793 ptid_get_lwp - Fetch the lwp component of a ptid.
794 ptid_get_tid - Fetch the tid component of a ptid.
795 ptid_equal - Test to see if two ptids are equal.
796 ptid_is_pid - Test to see if this ptid represents a process id.
798 Please do NOT access the struct ptid members directly (except, of
799 course, in the implementation of the above ptid manipulation
807 /* Lightweight process id */
814 typedef struct ptid ptid_t;
818 /* Optional native machine support. Non-native (and possibly pure
819 multi-arch) targets do not need a "nm.h" file. This will be a
820 symlink to one of the nm-*.h files, built by the `configure'
827 /* Assume that fopen accepts the letter "b" in the mode string.
828 It is demanded by ISO C9X, and should be supported on all
829 platforms that claim to have a standard-conforming C library. On
830 true POSIX systems it will be ignored and have no effect. There
831 may still be systems without a standard-conforming C library where
832 an ISO C9X compiler (GCC) is available. Known examples are SunOS
833 4.x and 4.3BSD. This assumption means these systems are no longer
836 # include "fopen-bin.h"
839 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
840 FIXME: Assumes 2's complement arithmetic. */
842 #if !defined (UINT_MAX)
843 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
846 #if !defined (INT_MAX)
847 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
850 #if !defined (INT_MIN)
851 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
854 #if !defined (ULONG_MAX)
855 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
858 #if !defined (LONG_MAX)
859 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
862 #if !defined (ULONGEST_MAX)
863 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
866 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
867 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
870 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
871 arguments to a function, number in a value history, register number, etc.)
872 where the value must not be larger than can fit in an int. */
874 extern int longest_to_int (LONGEST);
876 /* Assorted functions we can declare, now that const and volatile are
879 extern char *savestring (const char *, size_t);
881 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
883 extern void xfree (void *);
885 /* Like xmalloc, but zero the memory. */
886 extern void *xzalloc (size_t);
888 /* Utility macros to allocate typed memory. Avoids errors like:
889 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
890 sizeof (struct foo), 0). */
891 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
892 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
893 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
895 /* Like asprintf/vasprintf but get an internal_error if the call
897 extern void xasprintf (char **ret, const char *format, ...)
898 ATTRIBUTE_PRINTF (2, 3);
899 extern void xvasprintf (char **ret, const char *format, va_list ap)
900 ATTRIBUTE_PRINTF (2, 0);
902 /* Like asprintf and vasprintf, but return the string, throw an error
904 extern char *xstrprintf (const char *format, ...) ATTRIBUTE_PRINTF (1, 2);
905 extern char *xstrvprintf (const char *format, va_list ap)
906 ATTRIBUTE_PRINTF (1, 0);
908 /* Like snprintf, but throw an error if the output buffer is too small. */
909 extern int xsnprintf (char *str, size_t size, const char *format, ...)
910 ATTRIBUTE_PRINTF (3, 4);
912 extern int parse_escape (struct gdbarch *, char **);
914 /* Message to be printed before the error message, when an error occurs. */
916 extern char *error_pre_print;
918 /* Message to be printed before the error message, when an error occurs. */
920 extern char *quit_pre_print;
922 /* Message to be printed before the warning message, when a warning occurs. */
924 extern char *warning_pre_print;
926 extern void verror (const char *fmt, va_list ap)
927 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
929 extern void error (const char *fmt, ...)
930 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
932 extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
934 extern void vfatal (const char *fmt, va_list ap)
935 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
937 extern void fatal (const char *fmt, ...)
938 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
940 extern void internal_verror (const char *file, int line, const char *,
942 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
944 extern void internal_error (const char *file, int line, const char *, ...)
945 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 4);
947 extern void internal_vwarning (const char *file, int line,
948 const char *, va_list ap)
949 ATTRIBUTE_PRINTF (3, 0);
951 extern void internal_warning (const char *file, int line,
952 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
954 extern void nomem (long) ATTRIBUTE_NORETURN;
956 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
958 extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
960 /* List of known OS ABIs. If you change this, make sure to update the
964 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
966 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
973 GDB_OSABI_FREEBSD_AOUT,
974 GDB_OSABI_FREEBSD_ELF,
975 GDB_OSABI_NETBSD_AOUT,
976 GDB_OSABI_NETBSD_ELF,
977 GDB_OSABI_OPENBSD_ELF,
991 GDB_OSABI_INVALID /* keep this last */
994 /* Global functions from other, non-gdb GNU thingies.
995 Libiberty thingies are no longer declared here. We include libiberty.h
998 /* From other system libraries */
1000 #ifdef HAVE_STDDEF_H
1004 #ifdef HAVE_STDLIB_H
1008 #define min(a, b) ((a) < (b) ? (a) : (b))
1011 #define max(a, b) ((a) > (b) ? (a) : (b))
1016 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1019 /* Various possibilities for alloca. */
1022 #define alloca __builtin_alloca
1023 #else /* Not GNU C */
1024 #ifdef HAVE_ALLOCA_H
1031 /* We need to be careful not to declare this in a way which conflicts with
1032 bison. Bison never declares it as char *, but under various circumstances
1033 (like __hpux) we need to use void *. */
1034 extern void *alloca ();
1035 #endif /* Not _AIX */
1036 #endif /* Not HAVE_ALLOCA_H */
1037 #endif /* Not GNU C */
1038 #endif /* alloca not defined */
1040 /* Dynamic target-system-dependent parameters for GDB. */
1041 #include "gdbarch.h"
1043 /* Maximum size of a register. Something small, but large enough for
1044 all known ISAs. If it turns out to be too small, make it bigger. */
1046 enum { MAX_REGISTER_SIZE = 64 };
1048 /* Static target-system-dependent parameters for GDB. */
1050 /* Number of bits in a char or unsigned char for the target machine.
1051 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1052 #if !defined (TARGET_CHAR_BIT)
1053 #define TARGET_CHAR_BIT 8
1056 /* If we picked up a copy of CHAR_BIT from a configuration file
1057 (which may get it by including <limits.h>) then use it to set
1058 the number of bits in a host char. If not, use the same size
1061 #if defined (CHAR_BIT)
1062 #define HOST_CHAR_BIT CHAR_BIT
1064 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1069 extern LONGEST extract_signed_integer (const gdb_byte *, int,
1072 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
1075 extern int extract_long_unsigned_integer (const gdb_byte *, int,
1076 enum bfd_endian, LONGEST *);
1078 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1081 extern void store_signed_integer (gdb_byte *, int,
1082 enum bfd_endian, LONGEST);
1084 extern void store_unsigned_integer (gdb_byte *, int,
1085 enum bfd_endian, ULONGEST);
1087 extern void store_typed_address (gdb_byte *buf, struct type *type,
1093 extern int watchdog;
1095 /* Hooks for alternate command interfaces. */
1097 /* The name of the interpreter if specified on the command line. */
1098 extern char *interpreter_p;
1100 /* If a given interpreter matches INTERPRETER_P then it should update
1101 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1102 per-interpreter implementation. */
1103 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1104 should be moved here. */
1106 struct target_waitstatus;
1107 struct cmd_list_element;
1109 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1110 extern void (*deprecated_post_add_symbol_hook) (void);
1111 extern void (*selected_frame_level_changed_hook) (int);
1112 extern int (*deprecated_ui_loop_hook) (int signo);
1113 extern void (*deprecated_init_ui_hook) (char *argv0);
1114 extern void (*deprecated_command_loop_hook) (void);
1115 extern void (*deprecated_show_load_progress) (const char *section,
1116 unsigned long section_sent,
1117 unsigned long section_size,
1118 unsigned long total_sent,
1119 unsigned long total_size);
1120 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1124 extern int (*deprecated_query_hook) (const char *, va_list)
1125 ATTRIBUTE_FPTR_PRINTF(1,0);
1126 extern void (*deprecated_warning_hook) (const char *, va_list)
1127 ATTRIBUTE_FPTR_PRINTF(1,0);
1128 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1129 extern void (*deprecated_interactive_hook) (void);
1130 extern void (*deprecated_readline_begin_hook) (char *, ...)
1131 ATTRIBUTE_FPTR_PRINTF_1;
1132 extern char *(*deprecated_readline_hook) (char *);
1133 extern void (*deprecated_readline_end_hook) (void);
1134 extern void (*deprecated_register_changed_hook) (int regno);
1135 extern void (*deprecated_context_hook) (int);
1136 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1137 struct target_waitstatus *status,
1140 extern void (*deprecated_attach_hook) (void);
1141 extern void (*deprecated_detach_hook) (void);
1142 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1143 char *cmd, int from_tty);
1145 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1147 extern void (*deprecated_error_begin_hook) (void);
1149 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1153 /* Inhibit window interface if non-zero. */
1155 extern int use_windows;
1157 /* Definitions of filename-related things. */
1159 /* Host specific things. */
1163 # define GLOBAL_CURDIR
1164 # define DIRNAME_SEPARATOR ';'
1167 #if !defined (__CYGWIN__) && defined (_WIN32)
1168 # define DIRNAME_SEPARATOR ';'
1171 #ifndef DIRNAME_SEPARATOR
1172 #define DIRNAME_SEPARATOR ':'
1175 #ifndef SLASH_STRING
1176 #define SLASH_STRING "/"
1179 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1180 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1181 in the code actually refer to a lightweight process id, i.e,
1182 something that can be considered a process id in its own right for
1183 certain purposes. */
1186 #define PIDGET(PTID) (ptid_get_pid (PTID))
1187 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1188 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1191 /* Define well known filenos if the system does not define them. */
1192 #ifndef STDIN_FILENO
1193 #define STDIN_FILENO 0
1195 #ifndef STDOUT_FILENO
1196 #define STDOUT_FILENO 1
1198 #ifndef STDERR_FILENO
1199 #define STDERR_FILENO 2
1202 /* If this definition isn't overridden by the header files, assume
1203 that isatty and fileno exist on this system. */
1205 #define ISATTY(FP) (isatty (fileno (FP)))
1208 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1209 power of 2). Round up/down when necessary. Examples of correct
1212 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1213 write_memory (addr, value, len);
1218 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1219 write_memory (sp, value, len);
1221 Note that uses such as:
1223 write_memory (addr, value, len);
1224 addr += align_up (len, 8);
1228 sp -= align_up (len, 8);
1229 write_memory (sp, value, len);
1231 are typically not correct as they don't ensure that the address (SP
1232 or ADDR) is correctly aligned (relying on previous alignment to
1233 keep things right). This is also why the methods are called
1234 "align_..." instead of "round_..." as the latter reads better with
1235 this incorrect coding style. */
1237 extern ULONGEST align_up (ULONGEST v, int n);
1238 extern ULONGEST align_down (ULONGEST v, int n);
1240 /* Allocation and deallocation functions for the libiberty hash table
1241 which use obstacks. */
1242 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1243 void dummy_obstack_deallocate (void *object, void *data);
1245 /* From progspace.c */
1247 extern void initialize_progspace (void);
1248 extern void initialize_inferiors (void);
1250 /* Special block numbers */
1256 FIRST_LOCAL_BLOCK = 2
1259 #endif /* #ifndef DEFS_H */