1 /* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
2 /* Basic, host-specific, and target-specific definitions for GDB.
3 Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
4 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009,
5 2010 Free Software Foundation, Inc.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 #include "config.h" /* Generated by configure. */
27 #include <sys/types.h>
29 #include <errno.h> /* System call error return status. */
33 /* The libdecnumber library, on which GDB depends, includes a header file
34 called gstdint.h instead of relying directly on stdint.h. GDB, on the
35 other hand, includes stdint.h directly, relying on the fact that gnulib
36 generates a copy if the system doesn't provide one or if it is missing
37 some features. Unfortunately, gstdint.h and stdint.h cannot be included
38 at the same time, which may happen when we include a file from
41 The following macro definition effectively prevents the inclusion of
42 gstdint.h, as all the definitions it provides are guarded against
43 the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h
44 included, so it's ok to blank out gstdint.h. */
45 #define GCC_GENERATED_STDINT_H 1
57 /* First include ansidecl.h so we can use the various macro definitions
58 here and in all subsequent file inclusions. */
62 #include "gdb_locale.h"
64 #include "gdb_wchar.h"
66 /* For ``enum target_signal''. */
67 #include "gdb/signals.h"
69 /* Just in case they're not defined in stdio.h. */
78 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
79 It is used as an access modifier in calls to open(), where it acts
80 similarly to the "b" character in fopen()'s MODE argument. On Posix
81 platforms it should be a no-op, so it is defined as 0 here. This
82 ensures that the symbol may be used freely elsewhere in gdb. */
88 #include <stdarg.h> /* For va_list. */
90 #include "libiberty.h"
92 /* Rather than duplicate all the logic in BFD for figuring out what
93 types to use (which can be pretty complicated), symply define them
94 in terms of the corresponding type from BFD. */
98 /* A byte from the program being debugged. */
99 typedef bfd_byte gdb_byte;
101 /* An address in the program being debugged. Host byte order. */
102 typedef bfd_vma CORE_ADDR;
104 /* The largest CORE_ADDR value. */
105 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
107 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
113 #define LONGEST BFD_HOST_64_BIT
114 #define ULONGEST BFD_HOST_U_64_BIT
118 #ifdef CC_HAS_LONG_LONG
119 #define LONGEST long long
120 #define ULONGEST unsigned long long
122 #ifdef BFD_HOST_64_BIT
123 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
124 (e.g. i386-windows) so try it. */
125 #define LONGEST BFD_HOST_64_BIT
126 #define ULONGEST BFD_HOST_U_64_BIT
129 #define ULONGEST unsigned long
133 #endif /* No BFD64 */
135 #endif /* ! LONGEST */
138 #define min(a, b) ((a) < (b) ? (a) : (b))
141 #define max(a, b) ((a) > (b) ? (a) : (b))
144 /* Check if a character is one of the commonly used C++ marker characters. */
145 extern int is_cplus_marker (int);
147 /* enable xdb commands if set */
148 extern int xdb_commands;
150 /* enable dbx commands if set */
151 extern int dbx_commands;
153 /* System root path, used to find libraries etc. */
154 extern char *gdb_sysroot;
156 /* GDB datadir, used to store data files. */
157 extern char *gdb_datadir;
159 /* Search path for separate debug files. */
160 extern char *debug_file_directory;
162 extern int quit_flag;
163 extern int immediate_quit;
164 extern int sevenbit_strings;
166 extern void quit (void);
168 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
169 benefits of having a ``QUIT'' macro rather than a function are
170 marginal. If the overhead of a QUIT function call is proving
171 significant then its calling frequency should probably be reduced
172 [kingdon]. A profile analyzing the current situtation is
176 if (quit_flag) quit (); \
177 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
180 /* Languages represented in the symbol table and elsewhere.
181 This should probably be in language.h, but since enum's can't
182 be forward declared to satisfy opaque references before their
183 actual definition, needs to be here. */
187 language_unknown, /* Language not known */
188 language_auto, /* Placeholder for automatic setting */
190 language_cplus, /* C++ */
192 language_objc, /* Objective-C */
193 language_java, /* Java */
194 language_fortran, /* Fortran */
195 language_m2, /* Modula-2 */
196 language_asm, /* Assembly language */
197 language_pascal, /* Pascal */
198 language_ada, /* Ada */
199 language_scm, /* Guile Scheme */
200 language_minimal, /* All other languages, minimal support only */
208 unspecified_precision
211 /* A generic, not quite boolean, enumeration. */
219 /* Potential ways that a function can return a value of a given type. */
220 enum return_value_convention
222 /* Where the return value has been squeezed into one or more
224 RETURN_VALUE_REGISTER_CONVENTION,
225 /* Commonly known as the "struct return convention". The caller
226 passes an additional hidden first parameter to the caller. That
227 parameter contains the address at which the value being returned
228 should be stored. While typically, and historically, used for
229 large structs, this is convention is applied to values of many
231 RETURN_VALUE_STRUCT_CONVENTION,
232 /* Like the "struct return convention" above, but where the ABI
233 guarantees that the called function stores the address at which
234 the value being returned is stored in a well-defined location,
235 such as a register or memory slot in the stack frame. Don't use
236 this if the ABI doesn't explicitly guarantees this. */
237 RETURN_VALUE_ABI_RETURNS_ADDRESS,
238 /* Like the "struct return convention" above, but where the ABI
239 guarantees that the address at which the value being returned is
240 stored will be available in a well-defined location, such as a
241 register or memory slot in the stack frame. Don't use this if
242 the ABI doesn't explicitly guarantees this. */
243 RETURN_VALUE_ABI_PRESERVES_ADDRESS,
246 /* the cleanup list records things that have to be undone
247 if an error happens (descriptors to be closed, memory to be freed, etc.)
248 Each link in the chain records a function to call and an
251 Use make_cleanup to add an element to the cleanup chain.
252 Use do_cleanups to do all cleanup actions back to a given
253 point in the chain. Use discard_cleanups to remove cleanups
254 from the chain back to a given point, not doing them.
256 If the argument is pointer to allocated memory, then you need to
257 to additionally set the 'free_arg' member to a function that will
258 free that memory. This function will be called both when the cleanup
259 is executed and when it's discarded. */
263 struct cleanup *next;
264 void (*function) (void *);
265 void (*free_arg) (void *);
270 /* The ability to declare that a function never returns is useful, but
271 not really required to compile GDB successfully, so the NORETURN and
272 ATTR_NORETURN macros normally expand into nothing. */
274 /* If compiling with older versions of GCC, a function may be declared
275 "volatile" to indicate that it does not return. */
278 #if defined(__GNUC__) \
279 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
280 #define NORETURN volatile
282 #define NORETURN /* nothing */
286 /* GCC 2.5 and later versions define a function attribute "noreturn",
287 which is the preferred way to declare that a function never returns.
288 However GCC 2.7 appears to be the first version in which this fully
289 works everywhere we use it. */
291 #ifndef ATTR_NORETURN
292 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
293 #define ATTR_NORETURN __attribute__ ((noreturn))
295 #define ATTR_NORETURN /* nothing */
300 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
301 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
303 #define ATTR_FORMAT(type, x, y) /* nothing */
307 /* Be conservative and use enum bitfields only with GCC.
308 This is copied from gcc 3.3.1, system.h. */
310 #if defined(__GNUC__) && (__GNUC__ >= 2)
311 #define ENUM_BITFIELD(TYPE) enum TYPE
313 #define ENUM_BITFIELD(TYPE) unsigned int
316 /* vec.h-style vectors of strings want a typedef for char * . */
318 typedef char * char_ptr;
320 /* Needed for various prototypes */
329 extern void initialize_utils (void);
331 extern void notice_quit (void);
333 extern int strcmp_iw (const char *, const char *);
335 extern int strcmp_iw_ordered (const char *, const char *);
337 extern int streq (const char *, const char *);
339 extern int subset_compare (char *, char *);
341 extern char *safe_strerror (int);
343 #define ALL_CLEANUPS ((struct cleanup *)0)
345 extern void do_cleanups (struct cleanup *);
346 extern void do_final_cleanups (struct cleanup *);
348 extern void discard_cleanups (struct cleanup *);
349 extern void discard_final_cleanups (struct cleanup *);
350 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
352 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
353 make_cleanup function declarations below. Do not use this typedef
354 as a cast when passing functions into the make_cleanup() code.
355 Instead either use a bounce function or add a wrapper function.
356 Calling a f(char*) function with f(void*) is non-portable. */
357 typedef void (make_cleanup_ftype) (void *);
359 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
361 extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
362 void (*dtor) (void *));
364 extern struct cleanup *make_cleanup_freeargv (char **);
367 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
369 struct section_addr_info;
370 extern struct cleanup *(make_cleanup_free_section_addr_info
371 (struct section_addr_info *));
373 extern struct cleanup *make_cleanup_close (int fd);
375 extern struct cleanup *make_cleanup_fclose (FILE *file);
377 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
380 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
382 extern struct cleanup *make_cleanup_restore_integer (int *variable);
384 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
386 extern struct cleanup *make_my_cleanup (struct cleanup **,
387 make_cleanup_ftype *, void *);
389 extern struct cleanup *make_my_cleanup2 (struct cleanup **,
390 make_cleanup_ftype *, void *,
391 void (*free_arg) (void *));
393 extern struct cleanup *save_cleanups (void);
394 extern struct cleanup *save_final_cleanups (void);
395 extern struct cleanup *save_my_cleanups (struct cleanup **);
397 extern void restore_cleanups (struct cleanup *);
398 extern void restore_final_cleanups (struct cleanup *);
399 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
401 extern void free_current_contents (void *);
403 extern void null_cleanup (void *);
405 extern int myread (int, char *, int);
407 extern int query (const char *, ...) ATTR_FORMAT (printf, 1, 2);
408 extern int nquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
409 extern int yquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
411 extern void init_page_info (void);
413 extern char *gdb_realpath (const char *);
414 extern char *xfullpath (const char *);
416 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
417 unsigned char *buf, size_t len);
419 ULONGEST strtoulst (const char *num, const char **trailer, int base);
421 char *ldirname (const char *filename);
423 char **gdb_buildargv (const char *);
425 int compare_positive_ints (const void *ap, const void *bp);
427 /* A wrapper for bfd_errmsg to produce a more helpful error message
428 in the case of bfd_error_file_ambiguously recognized.
429 MATCHING, if non-NULL, is the corresponding argument to
430 bfd_check_format_matches, and will be freed. */
432 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
434 extern int parse_pid_to_attach (char *args);
436 /* From demangle.c */
438 extern void set_demangling_style (char *);
441 /* Annotation stuff. */
443 extern int annotation_level; /* in stack.c */
445 extern void begin_line (void);
447 extern void wrap_here (char *);
449 extern void reinitialize_more_filter (void);
452 extern struct ui_file *gdb_stdout;
454 extern struct ui_file *gdb_stdin;
455 /* Serious error notifications */
456 extern struct ui_file *gdb_stderr;
457 /* Log/debug/trace messages that should bypass normal stdout/stderr
458 filtering. For moment, always call this stream using
459 *_unfiltered. In the very near future that restriction shall be
460 removed - either call shall be unfiltered. (cagney 1999-06-13). */
461 extern struct ui_file *gdb_stdlog;
462 /* Target output that should bypass normal stdout/stderr filtering.
463 For moment, always call this stream using *_unfiltered. In the
464 very near future that restriction shall be removed - either call
465 shall be unfiltered. (cagney 1999-07-02). */
466 extern struct ui_file *gdb_stdtarg;
467 extern struct ui_file *gdb_stdtargerr;
468 extern struct ui_file *gdb_stdtargin;
472 /* More generic printf like operations. Filtered versions may return
473 non-locally on error. */
475 extern void fputs_filtered (const char *, struct ui_file *);
477 extern void fputs_unfiltered (const char *, struct ui_file *);
479 extern int fputc_filtered (int c, struct ui_file *);
481 extern int fputc_unfiltered (int c, struct ui_file *);
483 extern int putchar_filtered (int c);
485 extern int putchar_unfiltered (int c);
487 extern void puts_filtered (const char *);
489 extern void puts_unfiltered (const char *);
491 extern void puts_filtered_tabular (char *string, int width, int right);
493 extern void puts_debug (char *prefix, char *string, char *suffix);
495 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
497 extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
499 extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
501 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 3, 4);
503 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
505 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);
507 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
509 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
511 extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
513 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
515 extern void print_spaces (int, struct ui_file *);
517 extern void print_spaces_filtered (int, struct ui_file *);
519 extern char *n_spaces (int);
521 extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);
523 extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);
525 extern void fputstrn_filtered (const char *str, int n, int quotr, struct ui_file * stream);
527 extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);
529 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
530 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
532 extern const char *host_address_to_string (const void *addr);
534 /* Convert CORE_ADDR to string in platform-specific manner.
535 This is usually formatted similar to 0x%lx. */
536 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
539 extern char *plongest (LONGEST l);
540 /* %u for ULONGEST */
541 extern char *pulongest (ULONGEST l);
543 extern char *phex (ULONGEST l, int sizeof_l);
544 extern char *phex_nz (ULONGEST l, int sizeof_l);
545 extern char *int_string (LONGEST, int, int, int, int);
547 /* Convert a CORE_ADDR into a HEX string with leading zeros.
548 The output from core_addr_to_string() can be passed direct to
549 string_to_core_addr(). */
550 extern const char *core_addr_to_string (const CORE_ADDR addr);
551 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
552 extern CORE_ADDR string_to_core_addr (const char *my_string);
554 /* Return a string that contains a number formatted as a hex
556 extern char *hex_string (LONGEST);
557 extern char *hex_string_custom (LONGEST, int);
559 extern void fprintf_symbol_filtered (struct ui_file *, char *,
562 extern NORETURN void perror_with_name (const char *) ATTR_NORETURN;
564 extern void print_sys_errmsg (const char *, int);
566 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
567 "const char *" in unistd.h, so we can't declare the argument
570 extern char *re_comp (const char *);
574 extern void symbol_file_command (char *, int);
576 /* Remote targets may wish to use this as their load function. */
577 extern void generic_load (char *name, int from_tty);
579 /* Report on STREAM the performance of memory transfer operation,
581 DATA_COUNT is the number of bytes transferred.
582 WRITE_COUNT is the number of separate write operations, or 0,
583 if that information is not available.
584 START_TIME is the time at which an operation was started.
585 END_TIME is the time at which an operation ended. */
587 extern void print_transfer_performance (struct ui_file *stream,
588 unsigned long data_count,
589 unsigned long write_count,
590 const struct timeval *start_time,
591 const struct timeval *end_time);
595 typedef void initialize_file_ftype (void);
597 extern char *skip_quoted (char *);
599 extern char *gdb_readline (char *);
601 extern char *gdb_readline_wrapper (char *);
603 extern char *command_line_input (char *, int, char *);
605 extern void print_prompt (void);
607 extern int input_from_terminal_p (void);
609 extern int info_verbose;
611 /* From printcmd.c */
613 extern void set_next_address (struct gdbarch *, CORE_ADDR);
615 extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
616 struct ui_file *, int, char *);
618 extern int build_address_symbolic (struct gdbarch *,
627 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
628 extern const char *pc_prefix (CORE_ADDR);
632 #define OPF_TRY_CWD_FIRST 0x01
633 #define OPF_SEARCH_IN_PATH 0x02
635 extern int openp (const char *, int, const char *, int, char **);
637 extern int source_full_path_of (const char *, char **);
639 extern void mod_path (char *, char **);
641 extern void add_path (char *, char **, int);
643 extern void directory_command (char *, int);
645 extern void directory_switch (char *, int);
647 extern char *source_path;
649 extern void init_source_path (void);
653 /* Take over the 'find_mapped_memory' vector from exec.c. */
654 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR,
660 /* Possible lvalue types. Like enum language, this should be in
661 value.h, but needs to be here for the same reason. */
669 /* In a register. Registers are relative to a frame. */
671 /* In a gdb internal variable. */
673 /* Part of a gdb internal variable (structure field). */
674 lval_internalvar_component,
675 /* Value's bits are fetched and stored using functions provided by
680 /* Control types for commands */
682 enum misc_command_type
690 enum command_control_type
699 while_stepping_control,
703 /* Structure for saved commands lines
704 (for breakpoints, defined commands, etc). */
708 struct command_line *next;
710 enum command_control_type control_type;
711 /* The number of elements in body_list. */
713 /* For composite commands, the nested lists of
714 commands. For example, for "if" command this
715 will contain the then branch and the else
716 branch, if that is available. */
717 struct command_line **body_list;
720 extern struct command_line *read_command_lines (char *, int, int,
721 void (*)(char *, void *),
723 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
724 void (*)(char *, void *),
727 extern void free_command_lines (struct command_line **);
729 /* To continue the execution commands when running gdb asynchronously.
730 A continuation structure contains a pointer to a function to be called
731 to finish the command, once the target has stopped. Such mechanism is
732 used by the finish and until commands, and in the remote protocol
733 when opening an extended-remote connection. */
741 /* Thread specific continuations. */
743 extern void add_continuation (struct thread_info *,
744 void (*)(void *), void *,
746 extern void do_all_continuations (void);
747 extern void do_all_continuations_thread (struct thread_info *);
748 extern void discard_all_continuations (void);
749 extern void discard_all_continuations_thread (struct thread_info *);
751 extern void add_intermediate_continuation (struct thread_info *,
752 void (*)(void *), void *,
754 extern void do_all_intermediate_continuations (void);
755 extern void do_all_intermediate_continuations_thread (struct thread_info *);
756 extern void discard_all_intermediate_continuations (void);
757 extern void discard_all_intermediate_continuations_thread (struct thread_info *);
759 /* Inferior specific (any thread) continuations. */
761 extern void add_inferior_continuation (void (*) (void *),
764 extern void do_all_inferior_continuations (void);
765 extern void discard_all_inferior_continuations (struct inferior *inf);
767 /* String containing the current directory (what getwd would return). */
769 extern char *current_directory;
771 /* Default radixes for input and output. Only some values supported. */
772 extern unsigned input_radix;
773 extern unsigned output_radix;
775 /* Possibilities for prettyprint parameters to routines which print
776 things. Like enum language, this should be in value.h, but needs
777 to be here for the same reason. FIXME: If we can eliminate this
778 as an arg to LA_VAL_PRINT, then we can probably move it back to
783 Val_no_prettyprint = 0,
785 /* Use the default setting which the user has specified. */
789 /* The ptid struct is a collection of the various "ids" necessary
790 for identifying the inferior. This consists of the process id
791 (pid), thread id (tid), and other fields necessary for uniquely
792 identifying the inferior process/thread being debugged. When
793 manipulating ptids, the constructors, accessors, and predicate
794 declared in inferior.h should be used. These are as follows:
796 ptid_build - Make a new ptid from a pid, lwp, and tid.
797 pid_to_ptid - Make a new ptid from just a pid.
798 ptid_get_pid - Fetch the pid component of a ptid.
799 ptid_get_lwp - Fetch the lwp component of a ptid.
800 ptid_get_tid - Fetch the tid component of a ptid.
801 ptid_equal - Test to see if two ptids are equal.
802 ptid_is_pid - Test to see if this ptid represents a process id.
804 Please do NOT access the struct ptid members directly (except, of
805 course, in the implementation of the above ptid manipulation
813 /* Lightweight process id */
820 typedef struct ptid ptid_t;
824 /* Optional native machine support. Non-native (and possibly pure
825 multi-arch) targets do not need a "nm.h" file. This will be a
826 symlink to one of the nm-*.h files, built by the `configure'
833 /* Assume that fopen accepts the letter "b" in the mode string.
834 It is demanded by ISO C9X, and should be supported on all
835 platforms that claim to have a standard-conforming C library. On
836 true POSIX systems it will be ignored and have no effect. There
837 may still be systems without a standard-conforming C library where
838 an ISO C9X compiler (GCC) is available. Known examples are SunOS
839 4.x and 4.3BSD. This assumption means these systems are no longer
842 # include "fopen-bin.h"
845 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
846 FIXME: Assumes 2's complement arithmetic */
848 #if !defined (UINT_MAX)
849 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
852 #if !defined (INT_MAX)
853 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
856 #if !defined (INT_MIN)
857 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
860 #if !defined (ULONG_MAX)
861 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
864 #if !defined (LONG_MAX)
865 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
868 #if !defined (ULONGEST_MAX)
869 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
872 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
873 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
876 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
877 arguments to a function, number in a value history, register number, etc.)
878 where the value must not be larger than can fit in an int. */
880 extern int longest_to_int (LONGEST);
882 /* Assorted functions we can declare, now that const and volatile are
885 extern char *savestring (const char *, size_t);
887 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
889 extern void xfree (void *);
891 /* Like xmalloc, but zero the memory. */
892 extern void *xzalloc (size_t);
894 /* Utility macros to allocate typed memory. Avoids errors like:
895 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
896 sizeof (struct foo), 0). */
897 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
898 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
899 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
901 /* Like asprintf/vasprintf but get an internal_error if the call
903 extern void xasprintf (char **ret, const char *format, ...) ATTR_FORMAT (printf, 2, 3);
904 extern void xvasprintf (char **ret, const char *format, va_list ap)
905 ATTR_FORMAT (printf, 2, 0);
907 /* Like asprintf and vasprintf, but return the string, throw an error
909 extern char *xstrprintf (const char *format, ...) ATTR_FORMAT (printf, 1, 2);
910 extern char *xstrvprintf (const char *format, va_list ap)
911 ATTR_FORMAT (printf, 1, 0);
913 /* Like snprintf, but throw an error if the output buffer is too small. */
914 extern int xsnprintf (char *str, size_t size, const char *format, ...)
915 ATTR_FORMAT (printf, 3, 4);
917 extern int parse_escape (struct gdbarch *, char **);
919 /* Message to be printed before the error message, when an error occurs. */
921 extern char *error_pre_print;
923 /* Message to be printed before the error message, when an error occurs. */
925 extern char *quit_pre_print;
927 /* Message to be printed before the warning message, when a warning occurs. */
929 extern char *warning_pre_print;
931 extern NORETURN void verror (const char *fmt, va_list ap)
932 ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);
934 extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
936 extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;
938 extern NORETURN void vfatal (const char *fmt, va_list ap)
939 ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);
941 extern NORETURN void fatal (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
943 extern NORETURN void internal_verror (const char *file, int line,
944 const char *, va_list ap)
945 ATTR_NORETURN ATTR_FORMAT (printf, 3, 0);
947 extern NORETURN void internal_error (const char *file, int line,
948 const char *, ...) ATTR_NORETURN ATTR_FORMAT (printf, 3, 4);
950 extern void internal_vwarning (const char *file, int line,
951 const char *, va_list ap)
952 ATTR_FORMAT (printf, 3, 0);
954 extern void internal_warning (const char *file, int line,
955 const char *, ...) ATTR_FORMAT (printf, 3, 4);
957 extern NORETURN void nomem (long) ATTR_NORETURN;
959 extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);
961 extern void vwarning (const char *, va_list args) ATTR_FORMAT (printf, 1, 0);
963 /* List of known OS ABIs. If you change this, make sure to update the
967 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
969 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
976 GDB_OSABI_FREEBSD_AOUT,
977 GDB_OSABI_FREEBSD_ELF,
978 GDB_OSABI_NETBSD_AOUT,
979 GDB_OSABI_NETBSD_ELF,
980 GDB_OSABI_OPENBSD_ELF,
994 GDB_OSABI_INVALID /* keep this last */
997 /* Global functions from other, non-gdb GNU thingies.
998 Libiberty thingies are no longer declared here. We include libiberty.h
1001 /* From other system libraries */
1003 #ifdef HAVE_STDDEF_H
1007 #ifdef HAVE_STDLIB_H
1011 #define min(a, b) ((a) < (b) ? (a) : (b))
1014 #define max(a, b) ((a) > (b) ? (a) : (b))
1019 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1022 /* Various possibilities for alloca. */
1025 #define alloca __builtin_alloca
1026 #else /* Not GNU C */
1027 #ifdef HAVE_ALLOCA_H
1034 /* We need to be careful not to declare this in a way which conflicts with
1035 bison. Bison never declares it as char *, but under various circumstances
1036 (like __hpux) we need to use void *. */
1037 extern void *alloca ();
1038 #endif /* Not _AIX */
1039 #endif /* Not HAVE_ALLOCA_H */
1040 #endif /* Not GNU C */
1041 #endif /* alloca not defined */
1043 /* Dynamic target-system-dependent parameters for GDB. */
1044 #include "gdbarch.h"
1046 /* Maximum size of a register. Something small, but large enough for
1047 all known ISAs. If it turns out to be too small, make it bigger. */
1049 enum { MAX_REGISTER_SIZE = 32 };
1051 /* Static target-system-dependent parameters for GDB. */
1053 /* Number of bits in a char or unsigned char for the target machine.
1054 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1055 #if !defined (TARGET_CHAR_BIT)
1056 #define TARGET_CHAR_BIT 8
1059 /* If we picked up a copy of CHAR_BIT from a configuration file
1060 (which may get it by including <limits.h>) then use it to set
1061 the number of bits in a host char. If not, use the same size
1064 #if defined (CHAR_BIT)
1065 #define HOST_CHAR_BIT CHAR_BIT
1067 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1072 extern LONGEST extract_signed_integer (const gdb_byte *, int,
1075 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
1078 extern int extract_long_unsigned_integer (const gdb_byte *, int,
1079 enum bfd_endian, LONGEST *);
1081 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1084 extern void store_signed_integer (gdb_byte *, int,
1085 enum bfd_endian, LONGEST);
1087 extern void store_unsigned_integer (gdb_byte *, int,
1088 enum bfd_endian, ULONGEST);
1090 extern void store_typed_address (gdb_byte *buf, struct type *type,
1096 extern int watchdog;
1098 /* Hooks for alternate command interfaces. */
1100 /* The name of the interpreter if specified on the command line. */
1101 extern char *interpreter_p;
1103 /* If a given interpreter matches INTERPRETER_P then it should update
1104 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1105 per-interpreter implementation. */
1106 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1107 should be moved here. */
1109 struct target_waitstatus;
1110 struct cmd_list_element;
1112 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1113 extern void (*deprecated_post_add_symbol_hook) (void);
1114 extern void (*selected_frame_level_changed_hook) (int);
1115 extern int (*deprecated_ui_loop_hook) (int signo);
1116 extern void (*deprecated_init_ui_hook) (char *argv0);
1117 extern void (*deprecated_command_loop_hook) (void);
1118 extern void (*deprecated_show_load_progress) (const char *section,
1119 unsigned long section_sent,
1120 unsigned long section_size,
1121 unsigned long total_sent,
1122 unsigned long total_size);
1123 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1124 int line, int stopline,
1126 extern int (*deprecated_query_hook) (const char *, va_list)
1127 ATTRIBUTE_FPTR_PRINTF(1,0);
1128 extern void (*deprecated_warning_hook) (const char *, va_list)
1129 ATTRIBUTE_FPTR_PRINTF(1,0);
1130 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1131 extern void (*deprecated_interactive_hook) (void);
1132 extern void (*deprecated_readline_begin_hook) (char *, ...)
1133 ATTRIBUTE_FPTR_PRINTF_1;
1134 extern char *(*deprecated_readline_hook) (char *);
1135 extern void (*deprecated_readline_end_hook) (void);
1136 extern void (*deprecated_register_changed_hook) (int regno);
1137 extern void (*deprecated_context_hook) (int);
1138 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1139 struct target_waitstatus *status,
1142 extern void (*deprecated_attach_hook) (void);
1143 extern void (*deprecated_detach_hook) (void);
1144 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1145 char *cmd, int from_tty);
1147 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1149 extern void (*deprecated_error_begin_hook) (void);
1151 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1155 /* Inhibit window interface if non-zero. */
1157 extern int use_windows;
1159 /* Definitions of filename-related things. */
1161 /* Host specific things. */
1165 # define GLOBAL_CURDIR
1166 # define DIRNAME_SEPARATOR ';'
1169 #if !defined (__CYGWIN__) && defined (_WIN32)
1170 # define DIRNAME_SEPARATOR ';'
1173 #ifndef DIRNAME_SEPARATOR
1174 #define DIRNAME_SEPARATOR ':'
1177 #ifndef SLASH_STRING
1178 #define SLASH_STRING "/"
1181 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1182 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1183 in the code actually refer to a lightweight process id, i.e,
1184 something that can be considered a process id in its own right for
1185 certain purposes. */
1188 #define PIDGET(PTID) (ptid_get_pid (PTID))
1189 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1190 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1193 /* Define well known filenos if the system does not define them. */
1194 #ifndef STDIN_FILENO
1195 #define STDIN_FILENO 0
1197 #ifndef STDOUT_FILENO
1198 #define STDOUT_FILENO 1
1200 #ifndef STDERR_FILENO
1201 #define STDERR_FILENO 2
1204 /* If this definition isn't overridden by the header files, assume
1205 that isatty and fileno exist on this system. */
1207 #define ISATTY(FP) (isatty (fileno (FP)))
1210 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1211 power of 2). Round up/down when necessary. Examples of correct
1214 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1215 write_memory (addr, value, len);
1220 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1221 write_memory (sp, value, len);
1223 Note that uses such as:
1225 write_memory (addr, value, len);
1226 addr += align_up (len, 8);
1230 sp -= align_up (len, 8);
1231 write_memory (sp, value, len);
1233 are typically not correct as they don't ensure that the address (SP
1234 or ADDR) is correctly aligned (relying on previous alignment to
1235 keep things right). This is also why the methods are called
1236 "align_..." instead of "round_..." as the latter reads better with
1237 this incorrect coding style. */
1239 extern ULONGEST align_up (ULONGEST v, int n);
1240 extern ULONGEST align_down (ULONGEST v, int n);
1242 /* Allocation and deallocation functions for the libiberty hash table
1243 which use obstacks. */
1244 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1245 void dummy_obstack_deallocate (void *object, void *data);
1247 /* From progspace.c */
1249 extern void initialize_progspace (void);
1250 extern void initialize_inferiors (void);
1252 #endif /* #ifndef DEFS_H */