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
5 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. */
43 /* First include ansidecl.h so we can use the various macro definitions
44 here and in all subsequent file inclusions. */
48 #include "gdb_locale.h"
50 /* For ``enum target_signal''. */
51 #include "gdb/signals.h"
53 /* Just in case they're not defined in stdio.h. */
62 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
63 It is used as an access modifier in calls to open(), where it acts
64 similarly to the "b" character in fopen()'s MODE argument. On Posix
65 platforms it should be a no-op, so it is defined as 0 here. This
66 ensures that the symbol may be used freely elsewhere in gdb. */
72 #include <stdarg.h> /* For va_list. */
74 #include "libiberty.h"
76 /* Rather than duplicate all the logic in BFD for figuring out what
77 types to use (which can be pretty complicated), symply define them
78 in terms of the corresponding type from BFD. */
82 /* A byte from the program being debugged. */
83 typedef bfd_byte gdb_byte;
85 /* An address in the program being debugged. Host byte order. */
86 typedef bfd_vma CORE_ADDR;
88 /* The largest CORE_ADDR value. */
89 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
91 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
97 #define LONGEST BFD_HOST_64_BIT
98 #define ULONGEST BFD_HOST_U_64_BIT
102 #ifdef CC_HAS_LONG_LONG
103 #define LONGEST long long
104 #define ULONGEST unsigned long long
106 #ifdef BFD_HOST_64_BIT
107 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
108 (e.g. i386-windows) so try it. */
109 #define LONGEST BFD_HOST_64_BIT
110 #define ULONGEST BFD_HOST_U_64_BIT
113 #define ULONGEST unsigned long
117 #endif /* No BFD64 */
119 #endif /* ! LONGEST */
122 #define min(a, b) ((a) < (b) ? (a) : (b))
125 #define max(a, b) ((a) > (b) ? (a) : (b))
128 /* Check if a character is one of the commonly used C++ marker characters. */
129 extern int is_cplus_marker (int);
131 /* enable xdb commands if set */
132 extern int xdb_commands;
134 /* enable dbx commands if set */
135 extern int dbx_commands;
137 /* System root path, used to find libraries etc. */
138 extern char *gdb_sysroot;
140 /* Search path for separate debug files. */
141 extern char *debug_file_directory;
143 extern int quit_flag;
144 extern int immediate_quit;
145 extern int sevenbit_strings;
147 extern void quit (void);
149 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
150 benefits of having a ``QUIT'' macro rather than a function are
151 marginal. If the overhead of a QUIT function call is proving
152 significant then its calling frequency should probably be reduced
153 [kingdon]. A profile analyzing the current situtation is
157 if (quit_flag) quit (); \
158 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
161 /* Languages represented in the symbol table and elsewhere.
162 This should probably be in language.h, but since enum's can't
163 be forward declared to satisfy opaque references before their
164 actual definition, needs to be here. */
168 language_unknown, /* Language not known */
169 language_auto, /* Placeholder for automatic setting */
171 language_cplus, /* C++ */
172 language_objc, /* Objective-C */
173 language_java, /* Java */
174 language_fortran, /* Fortran */
175 language_m2, /* Modula-2 */
176 language_asm, /* Assembly language */
177 language_pascal, /* Pascal */
178 language_ada, /* Ada */
179 language_scm, /* Guile Scheme */
180 language_minimal, /* All other languages, minimal support only */
188 unspecified_precision
191 /* A generic, not quite boolean, enumeration. */
199 /* Potential ways that a function can return a value of a given type. */
200 enum return_value_convention
202 /* Where the return value has been squeezed into one or more
204 RETURN_VALUE_REGISTER_CONVENTION,
205 /* Commonly known as the "struct return convention". The caller
206 passes an additional hidden first parameter to the caller. That
207 parameter contains the address at which the value being returned
208 should be stored. While typically, and historically, used for
209 large structs, this is convention is applied to values of many
211 RETURN_VALUE_STRUCT_CONVENTION,
212 /* Like the "struct return convention" above, but where the ABI
213 guarantees that the called function stores the address at which
214 the value being returned is stored in a well-defined location,
215 such as a register or memory slot in the stack frame. Don't use
216 this if the ABI doesn't explicitly guarantees this. */
217 RETURN_VALUE_ABI_RETURNS_ADDRESS,
218 /* Like the "struct return convention" above, but where the ABI
219 guarantees that the address at which the value being returned is
220 stored will be available in a well-defined location, such as a
221 register or memory slot in the stack frame. Don't use this if
222 the ABI doesn't explicitly guarantees this. */
223 RETURN_VALUE_ABI_PRESERVES_ADDRESS,
226 /* the cleanup list records things that have to be undone
227 if an error happens (descriptors to be closed, memory to be freed, etc.)
228 Each link in the chain records a function to call and an
231 Use make_cleanup to add an element to the cleanup chain.
232 Use do_cleanups to do all cleanup actions back to a given
233 point in the chain. Use discard_cleanups to remove cleanups
234 from the chain back to a given point, not doing them.
236 If the argument is pointer to allocated memory, then you need to
237 to additionally set the 'free_arg' member to a function that will
238 free that memory. This function will be called both when the cleanup
239 is executed and when it's discarded. */
243 struct cleanup *next;
244 void (*function) (void *);
245 void (*free_arg) (void *);
250 /* The ability to declare that a function never returns is useful, but
251 not really required to compile GDB successfully, so the NORETURN and
252 ATTR_NORETURN macros normally expand into nothing. */
254 /* If compiling with older versions of GCC, a function may be declared
255 "volatile" to indicate that it does not return. */
258 #if defined(__GNUC__) \
259 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
260 #define NORETURN volatile
262 #define NORETURN /* nothing */
266 /* GCC 2.5 and later versions define a function attribute "noreturn",
267 which is the preferred way to declare that a function never returns.
268 However GCC 2.7 appears to be the first version in which this fully
269 works everywhere we use it. */
271 #ifndef ATTR_NORETURN
272 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
273 #define ATTR_NORETURN __attribute__ ((noreturn))
275 #define ATTR_NORETURN /* nothing */
280 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
281 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
283 #define ATTR_FORMAT(type, x, y) /* nothing */
287 /* Be conservative and use enum bitfields only with GCC.
288 This is copied from gcc 3.3.1, system.h. */
290 #if defined(__GNUC__) && (__GNUC__ >= 2)
291 #define ENUM_BITFIELD(TYPE) enum TYPE
293 #define ENUM_BITFIELD(TYPE) unsigned int
296 /* Needed for various prototypes */
304 extern void initialize_utils (void);
306 extern void notice_quit (void);
308 extern int strcmp_iw (const char *, const char *);
310 extern int strcmp_iw_ordered (const char *, const char *);
312 extern int streq (const char *, const char *);
314 extern int subset_compare (char *, char *);
316 extern char *safe_strerror (int);
318 #define ALL_CLEANUPS ((struct cleanup *)0)
320 extern void do_cleanups (struct cleanup *);
321 extern void do_final_cleanups (struct cleanup *);
323 extern void discard_cleanups (struct cleanup *);
324 extern void discard_final_cleanups (struct cleanup *);
325 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
327 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
328 make_cleanup function declarations below. Do not use this typedef
329 as a cast when passing functions into the make_cleanup() code.
330 Instead either use a bounce function or add a wrapper function.
331 Calling a f(char*) function with f(void*) is non-portable. */
332 typedef void (make_cleanup_ftype) (void *);
334 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
336 extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
337 void (*dtor) (void *));
339 extern struct cleanup *make_cleanup_freeargv (char **);
342 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
344 struct section_addr_info;
345 extern struct cleanup *(make_cleanup_free_section_addr_info
346 (struct section_addr_info *));
348 extern struct cleanup *make_cleanup_close (int fd);
350 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
352 extern struct cleanup *make_cleanup_restore_integer (int *variable);
354 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
356 extern struct cleanup *make_my_cleanup (struct cleanup **,
357 make_cleanup_ftype *, void *);
359 extern struct cleanup *make_my_cleanup2 (struct cleanup **,
360 make_cleanup_ftype *, void *,
361 void (*free_arg) (void *));
363 extern struct cleanup *save_cleanups (void);
364 extern struct cleanup *save_final_cleanups (void);
365 extern struct cleanup *save_my_cleanups (struct cleanup **);
367 extern void restore_cleanups (struct cleanup *);
368 extern void restore_final_cleanups (struct cleanup *);
369 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
371 extern void free_current_contents (void *);
373 extern void null_cleanup (void *);
375 extern int myread (int, char *, int);
377 extern int query (const char *, ...) ATTR_FORMAT (printf, 1, 2);
378 extern int nquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
379 extern int yquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
381 extern void init_page_info (void);
383 extern char *gdb_realpath (const char *);
384 extern char *xfullpath (const char *);
386 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
387 unsigned char *buf, size_t len);
389 ULONGEST strtoulst (const char *num, const char **trailer, int base);
391 char *ldirname (const char *filename);
393 /* From demangle.c */
395 extern void set_demangling_style (char *);
398 /* Annotation stuff. */
400 extern int annotation_level; /* in stack.c */
402 extern void begin_line (void);
404 extern void wrap_here (char *);
406 extern void reinitialize_more_filter (void);
409 extern struct ui_file *gdb_stdout;
411 extern struct ui_file *gdb_stdin;
412 /* Serious error notifications */
413 extern struct ui_file *gdb_stderr;
414 /* Log/debug/trace messages that should bypass normal stdout/stderr
415 filtering. For moment, always call this stream using
416 *_unfiltered. In the very near future that restriction shall be
417 removed - either call shall be unfiltered. (cagney 1999-06-13). */
418 extern struct ui_file *gdb_stdlog;
419 /* Target output that should bypass normal stdout/stderr filtering.
420 For moment, always call this stream using *_unfiltered. In the
421 very near future that restriction shall be removed - either call
422 shall be unfiltered. (cagney 1999-07-02). */
423 extern struct ui_file *gdb_stdtarg;
424 extern struct ui_file *gdb_stdtargerr;
425 extern struct ui_file *gdb_stdtargin;
429 /* More generic printf like operations. Filtered versions may return
430 non-locally on error. */
432 extern void fputs_filtered (const char *, struct ui_file *);
434 extern void fputs_unfiltered (const char *, struct ui_file *);
436 extern int fputc_filtered (int c, struct ui_file *);
438 extern int fputc_unfiltered (int c, struct ui_file *);
440 extern int putchar_filtered (int c);
442 extern int putchar_unfiltered (int c);
444 extern void puts_filtered (const char *);
446 extern void puts_unfiltered (const char *);
448 extern void puts_filtered_tabular (char *string, int width, int right);
450 extern void puts_debug (char *prefix, char *string, char *suffix);
452 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
454 extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
456 extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
458 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 3, 4);
460 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
462 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);
464 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
466 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
468 extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
470 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
472 extern void print_spaces (int, struct ui_file *);
474 extern void print_spaces_filtered (int, struct ui_file *);
476 extern char *n_spaces (int);
478 extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);
480 extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);
482 extern void fputstrn_filtered (const char *str, int n, int quotr, struct ui_file * stream);
484 extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);
486 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
487 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
489 extern const char *host_address_to_string (const void *addr);
491 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
492 paddr_nz() is like %lx. */
493 extern int strlen_paddr (void);
494 extern char *paddr (CORE_ADDR addr);
495 extern char *paddr_nz (CORE_ADDR addr);
498 extern const char *paddress (CORE_ADDR addr);
501 extern char *plongest (LONGEST l);
502 /* %u for ULONGEST */
503 extern char *pulongest (ULONGEST l);
505 extern char *phex (ULONGEST l, int sizeof_l);
506 extern char *phex_nz (ULONGEST l, int sizeof_l);
507 extern char *int_string (LONGEST, int, int, int, int);
509 /* Like paddr() only print/scan raw CORE_ADDR. The output from
510 core_addr_to_string() can be passed direct to
511 string_to_core_addr(). */
512 extern const char *core_addr_to_string (const CORE_ADDR addr);
513 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
514 extern CORE_ADDR string_to_core_addr (const char *my_string);
516 /* Return a string that contains a number formatted as a hex
518 extern char *hex_string (LONGEST);
519 extern char *hex_string_custom (LONGEST, int);
521 extern void fprintf_symbol_filtered (struct ui_file *, char *,
524 extern NORETURN void perror_with_name (const char *) ATTR_NORETURN;
526 extern void print_sys_errmsg (const char *, int);
528 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
529 "const char *" in unistd.h, so we can't declare the argument
532 extern char *re_comp (const char *);
536 extern void symbol_file_command (char *, int);
538 /* Remote targets may wish to use this as their load function. */
539 extern void generic_load (char *name, int from_tty);
541 /* Report on STREAM the performance of memory transfer operation,
543 DATA_COUNT is the number of bytes transferred.
544 WRITE_COUNT is the number of separate write operations, or 0,
545 if that information is not available.
546 START_TIME is the time at which an operation was started.
547 END_TIME is the time at which an operation ended. */
549 extern void print_transfer_performance (struct ui_file *stream,
550 unsigned long data_count,
551 unsigned long write_count,
552 const struct timeval *start_time,
553 const struct timeval *end_time);
557 typedef void initialize_file_ftype (void);
559 extern char *skip_quoted (char *);
561 extern char *gdb_readline (char *);
563 extern char *gdb_readline_wrapper (char *);
565 extern char *command_line_input (char *, int, char *);
567 extern void print_prompt (void);
569 extern int input_from_terminal_p (void);
571 extern int info_verbose;
573 /* From printcmd.c */
575 extern void set_next_address (CORE_ADDR);
577 extern void print_address_symbolic (CORE_ADDR, struct ui_file *, int,
580 extern int build_address_symbolic (CORE_ADDR addr,
588 extern void print_address (CORE_ADDR, struct ui_file *);
592 #define OPF_TRY_CWD_FIRST 0x01
593 #define OPF_SEARCH_IN_PATH 0x02
595 extern int openp (const char *, int, const char *, int, int, char **);
597 extern int source_full_path_of (char *, char **);
599 extern void mod_path (char *, char **);
601 extern void add_path (char *, char **, int);
603 extern void directory_command (char *, int);
605 extern void directory_switch (char *, int);
607 extern char *source_path;
609 extern void init_source_path (void);
611 extern void init_last_source_visited (void);
615 /* Take over the 'find_mapped_memory' vector from exec.c. */
616 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR,
622 /* Possible lvalue types. Like enum language, this should be in
623 value.h, but needs to be here for the same reason. */
631 /* In a register. Registers are relative to a frame. */
633 /* In a gdb internal variable. */
635 /* Part of a gdb internal variable (structure field). */
636 lval_internalvar_component
639 /* Control types for commands */
641 enum misc_command_type
649 enum command_control_type
661 /* Structure for saved commands lines
662 (for breakpoints, defined commands, etc). */
666 struct command_line *next;
668 enum command_control_type control_type;
670 struct command_line **body_list;
673 extern struct command_line *read_command_lines (char *, int, int);
675 extern void free_command_lines (struct command_line **);
677 /* To continue the execution commands when running gdb asynchronously.
678 A continuation structure contains a pointer to a function to be called
679 to finish the command, once the target has stopped. Such mechanism is
680 used by the finish and until commands, and in the remote protocol
681 when opening an extended-remote connection. */
686 extern struct continuation *cmd_continuation;
687 /* Used only by the step_1 function. */
688 extern struct continuation *intermediate_continuation;
691 extern void add_continuation (void (*)(void *), void *,
693 extern void do_all_continuations (void);
694 extern void discard_all_continuations (void);
696 extern void add_intermediate_continuation (void (*)(void *), void *,
698 extern void do_all_intermediate_continuations (void);
699 extern void discard_all_intermediate_continuations (void);
701 /* String containing the current directory (what getwd would return). */
703 extern char *current_directory;
705 /* Default radixes for input and output. Only some values supported. */
706 extern unsigned input_radix;
707 extern unsigned output_radix;
709 /* Possibilities for prettyprint parameters to routines which print
710 things. Like enum language, this should be in value.h, but needs
711 to be here for the same reason. FIXME: If we can eliminate this
712 as an arg to LA_VAL_PRINT, then we can probably move it back to
717 Val_no_prettyprint = 0,
719 /* Use the default setting which the user has specified. */
723 /* The ptid struct is a collection of the various "ids" necessary
724 for identifying the inferior. This consists of the process id
725 (pid), thread id (tid), and other fields necessary for uniquely
726 identifying the inferior process/thread being debugged. When
727 manipulating ptids, the constructors, accessors, and predicate
728 declared in inferior.h should be used. These are as follows:
730 ptid_build - Make a new ptid from a pid, lwp, and tid.
731 pid_to_ptid - Make a new ptid from just a pid.
732 ptid_get_pid - Fetch the pid component of a ptid.
733 ptid_get_lwp - Fetch the lwp component of a ptid.
734 ptid_get_tid - Fetch the tid component of a ptid.
735 ptid_equal - Test to see if two ptids are equal.
737 Please do NOT access the struct ptid members directly (except, of
738 course, in the implementation of the above ptid manipulation
746 /* Lightweight process id */
753 typedef struct ptid ptid_t;
757 /* Optional native machine support. Non-native (and possibly pure
758 multi-arch) targets do not need a "nm.h" file. This will be a
759 symlink to one of the nm-*.h files, built by the `configure'
766 /* Assume that fopen accepts the letter "b" in the mode string.
767 It is demanded by ISO C9X, and should be supported on all
768 platforms that claim to have a standard-conforming C library. On
769 true POSIX systems it will be ignored and have no effect. There
770 may still be systems without a standard-conforming C library where
771 an ISO C9X compiler (GCC) is available. Known examples are SunOS
772 4.x and 4.3BSD. This assumption means these systems are no longer
775 # include "fopen-bin.h"
778 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
779 FIXME: Assumes 2's complement arithmetic */
781 #if !defined (UINT_MAX)
782 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
785 #if !defined (INT_MAX)
786 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
789 #if !defined (INT_MIN)
790 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
793 #if !defined (ULONG_MAX)
794 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
797 #if !defined (LONG_MAX)
798 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
801 #if !defined (ULONGEST_MAX)
802 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
805 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
806 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
809 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
810 arguments to a function, number in a value history, register number, etc.)
811 where the value must not be larger than can fit in an int. */
813 extern int longest_to_int (LONGEST);
815 /* Assorted functions we can declare, now that const and volatile are
818 extern char *savestring (const char *, size_t);
820 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
822 extern void xfree (void *);
824 /* Like xmalloc, but zero the memory. */
825 extern void *xzalloc (size_t);
827 /* Utility macros to allocate typed memory. Avoids errors like:
828 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
829 sizeof (struct foo), 0). */
830 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
831 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
832 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
834 /* Like asprintf/vasprintf but get an internal_error if the call
836 extern void xasprintf (char **ret, const char *format, ...) ATTR_FORMAT (printf, 2, 3);
837 extern void xvasprintf (char **ret, const char *format, va_list ap)
838 ATTR_FORMAT (printf, 2, 0);
840 /* Like asprintf and vasprintf, but return the string, throw an error
842 extern char *xstrprintf (const char *format, ...) ATTR_FORMAT (printf, 1, 2);
843 extern char *xstrvprintf (const char *format, va_list ap)
844 ATTR_FORMAT (printf, 1, 0);
846 /* Like snprintf, but throw an error if the output buffer is too small. */
847 extern int xsnprintf (char *str, size_t size, const char *format, ...)
848 ATTR_FORMAT (printf, 3, 4);
850 extern int parse_escape (char **);
852 /* Message to be printed before the error message, when an error occurs. */
854 extern char *error_pre_print;
856 /* Message to be printed before the error message, when an error occurs. */
858 extern char *quit_pre_print;
860 /* Message to be printed before the warning message, when a warning occurs. */
862 extern char *warning_pre_print;
864 extern NORETURN void verror (const char *fmt, va_list ap)
865 ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);
867 extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
869 extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;
871 extern NORETURN void vfatal (const char *fmt, va_list ap)
872 ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);
874 extern NORETURN void fatal (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
876 extern NORETURN void internal_verror (const char *file, int line,
877 const char *, va_list ap)
878 ATTR_NORETURN ATTR_FORMAT (printf, 3, 0);
880 extern NORETURN void internal_error (const char *file, int line,
881 const char *, ...) ATTR_NORETURN ATTR_FORMAT (printf, 3, 4);
883 extern void internal_vwarning (const char *file, int line,
884 const char *, va_list ap)
885 ATTR_FORMAT (printf, 3, 0);
887 extern void internal_warning (const char *file, int line,
888 const char *, ...) ATTR_FORMAT (printf, 3, 4);
890 extern NORETURN void nomem (long) ATTR_NORETURN;
892 extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);
894 extern void vwarning (const char *, va_list args) ATTR_FORMAT (printf, 1, 0);
896 /* List of known OS ABIs. If you change this, make sure to update the
900 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
902 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
909 GDB_OSABI_FREEBSD_AOUT,
910 GDB_OSABI_FREEBSD_ELF,
911 GDB_OSABI_NETBSD_AOUT,
912 GDB_OSABI_NETBSD_ELF,
913 GDB_OSABI_OPENBSD_ELF,
927 GDB_OSABI_INVALID /* keep this last */
930 /* Global functions from other, non-gdb GNU thingies.
931 Libiberty thingies are no longer declared here. We include libiberty.h
934 /* From other system libraries */
944 #define min(a, b) ((a) < (b) ? (a) : (b))
947 #define max(a, b) ((a) > (b) ? (a) : (b))
952 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
955 /* Various possibilities for alloca. */
958 #define alloca __builtin_alloca
959 #else /* Not GNU C */
967 /* We need to be careful not to declare this in a way which conflicts with
968 bison. Bison never declares it as char *, but under various circumstances
969 (like __hpux) we need to use void *. */
970 extern void *alloca ();
971 #endif /* Not _AIX */
972 #endif /* Not HAVE_ALLOCA_H */
973 #endif /* Not GNU C */
974 #endif /* alloca not defined */
976 /* Dynamic target-system-dependent parameters for GDB. */
979 /* Maximum size of a register. Something small, but large enough for
980 all known ISAs. If it turns out to be too small, make it bigger. */
982 enum { MAX_REGISTER_SIZE = 16 };
984 /* Static target-system-dependent parameters for GDB. */
986 /* Number of bits in a char or unsigned char for the target machine.
987 Just like CHAR_BIT in <limits.h> but describes the target machine. */
988 #if !defined (TARGET_CHAR_BIT)
989 #define TARGET_CHAR_BIT 8
992 /* If we picked up a copy of CHAR_BIT from a configuration file
993 (which may get it by including <limits.h>) then use it to set
994 the number of bits in a host char. If not, use the same size
997 #if defined (CHAR_BIT)
998 #define HOST_CHAR_BIT CHAR_BIT
1000 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1005 extern LONGEST extract_signed_integer (const gdb_byte *, int);
1007 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int);
1009 extern int extract_long_unsigned_integer (const gdb_byte *, int, LONGEST *);
1011 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1014 extern void store_signed_integer (gdb_byte *, int, LONGEST);
1016 extern void store_unsigned_integer (gdb_byte *, int, ULONGEST);
1018 extern void store_typed_address (gdb_byte *buf, struct type *type,
1024 extern int watchdog;
1026 /* Hooks for alternate command interfaces. */
1028 /* The name of the interpreter if specified on the command line. */
1029 extern char *interpreter_p;
1031 /* If a given interpreter matches INTERPRETER_P then it should update
1032 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1033 per-interpreter implementation. */
1034 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1035 should be moved here. */
1037 struct target_waitstatus;
1038 struct cmd_list_element;
1040 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1041 extern void (*deprecated_post_add_symbol_hook) (void);
1042 extern void (*selected_frame_level_changed_hook) (int);
1043 extern int (*deprecated_ui_loop_hook) (int signo);
1044 extern void (*deprecated_init_ui_hook) (char *argv0);
1045 extern void (*deprecated_command_loop_hook) (void);
1046 extern void (*deprecated_show_load_progress) (const char *section,
1047 unsigned long section_sent,
1048 unsigned long section_size,
1049 unsigned long total_sent,
1050 unsigned long total_size);
1051 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1052 int line, int stopline,
1054 extern int (*deprecated_query_hook) (const char *, va_list)
1055 ATTRIBUTE_FPTR_PRINTF(1,0);
1056 extern void (*deprecated_warning_hook) (const char *, va_list)
1057 ATTRIBUTE_FPTR_PRINTF(1,0);
1058 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1059 extern void (*deprecated_interactive_hook) (void);
1060 extern void (*deprecated_readline_begin_hook) (char *, ...)
1061 ATTRIBUTE_FPTR_PRINTF_1;
1062 extern char *(*deprecated_readline_hook) (char *);
1063 extern void (*deprecated_readline_end_hook) (void);
1064 extern void (*deprecated_register_changed_hook) (int regno);
1065 extern void (*deprecated_memory_changed_hook) (CORE_ADDR addr, int len);
1066 extern void (*deprecated_context_hook) (int);
1067 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1068 struct target_waitstatus * status);
1070 extern void (*deprecated_attach_hook) (void);
1071 extern void (*deprecated_detach_hook) (void);
1072 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1073 char *cmd, int from_tty);
1075 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1077 extern void (*deprecated_error_hook) (void);
1079 extern void (*deprecated_error_begin_hook) (void);
1081 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1085 /* Inhibit window interface if non-zero. */
1087 extern int use_windows;
1089 /* Symbolic definitions of filename-related things. */
1090 /* FIXME, this doesn't work very well if host and executable
1091 filesystems conventions are different. */
1095 # define GLOBAL_CURDIR
1096 # define DIRNAME_SEPARATOR ';'
1099 #if !defined (__CYGWIN__) && defined (_WIN32)
1100 # define DIRNAME_SEPARATOR ';'
1103 #ifndef DIRNAME_SEPARATOR
1104 #define DIRNAME_SEPARATOR ':'
1107 #ifndef SLASH_STRING
1108 #define SLASH_STRING "/"
1111 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1112 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1113 in the code actually refer to a lightweight process id, i.e,
1114 something that can be considered a process id in its own right for
1115 certain purposes. */
1118 #define PIDGET(PTID) (ptid_get_pid (PTID))
1119 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1120 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1123 /* Define well known filenos if the system does not define them. */
1124 #ifndef STDIN_FILENO
1125 #define STDIN_FILENO 0
1127 #ifndef STDOUT_FILENO
1128 #define STDOUT_FILENO 1
1130 #ifndef STDERR_FILENO
1131 #define STDERR_FILENO 2
1134 /* If this definition isn't overridden by the header files, assume
1135 that isatty and fileno exist on this system. */
1137 #define ISATTY(FP) (isatty (fileno (FP)))
1140 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1141 power of 2). Round up/down when necessary. Examples of correct
1144 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1145 write_memory (addr, value, len);
1150 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1151 write_memory (sp, value, len);
1153 Note that uses such as:
1155 write_memory (addr, value, len);
1156 addr += align_up (len, 8);
1160 sp -= align_up (len, 8);
1161 write_memory (sp, value, len);
1163 are typically not correct as they don't ensure that the address (SP
1164 or ADDR) is correctly aligned (relying on previous alignment to
1165 keep things right). This is also why the methods are called
1166 "align_..." instead of "round_..." as the latter reads better with
1167 this incorrect coding style. */
1169 extern ULONGEST align_up (ULONGEST v, int n);
1170 extern ULONGEST align_down (ULONGEST v, int n);
1172 /* Allocation and deallocation functions for the libiberty hash table
1173 which use obstacks. */
1174 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1175 void dummy_obstack_deallocate (void *object, void *data);
1177 #endif /* #ifndef DEFS_H */