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. */
42 /* First include ansidecl.h so we can use the various macro definitions
43 here and in all subsequent file inclusions. */
47 #include "gdb_locale.h"
49 /* For ``enum target_signal''. */
50 #include "gdb/signals.h"
52 /* Just in case they're not defined in stdio.h. */
61 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
62 It is used as an access modifier in calls to open(), where it acts
63 similarly to the "b" character in fopen()'s MODE argument. On Posix
64 platforms it should be a no-op, so it is defined as 0 here. This
65 ensures that the symbol may be used freely elsewhere in gdb. */
71 #include <stdarg.h> /* For va_list. */
73 #include "libiberty.h"
75 /* Rather than duplicate all the logic in BFD for figuring out what
76 types to use (which can be pretty complicated), symply define them
77 in terms of the corresponding type from BFD. */
81 /* A byte from the program being debugged. */
82 typedef bfd_byte gdb_byte
;
84 /* An address in the program being debugged. Host byte order. */
85 typedef bfd_vma CORE_ADDR
;
87 /* The largest CORE_ADDR value. */
88 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
90 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
96 #define LONGEST BFD_HOST_64_BIT
97 #define ULONGEST BFD_HOST_U_64_BIT
101 #ifdef CC_HAS_LONG_LONG
102 #define LONGEST long long
103 #define ULONGEST unsigned long long
105 #ifdef BFD_HOST_64_BIT
106 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
107 (e.g. i386-windows) so try it. */
108 #define LONGEST BFD_HOST_64_BIT
109 #define ULONGEST BFD_HOST_U_64_BIT
112 #define ULONGEST unsigned long
116 #endif /* No BFD64 */
118 #endif /* ! LONGEST */
121 #define min(a, b) ((a) < (b) ? (a) : (b))
124 #define max(a, b) ((a) > (b) ? (a) : (b))
127 /* Check if a character is one of the commonly used C++ marker characters. */
128 extern int is_cplus_marker (int);
130 /* enable xdb commands if set */
131 extern int xdb_commands
;
133 /* enable dbx commands if set */
134 extern int dbx_commands
;
136 /* System root path, used to find libraries etc. */
137 extern char *gdb_sysroot
;
139 /* Search path for separate debug files. */
140 extern char *debug_file_directory
;
142 extern int quit_flag
;
143 extern int immediate_quit
;
144 extern int sevenbit_strings
;
146 extern void quit (void);
148 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
149 benefits of having a ``QUIT'' macro rather than a function are
150 marginal. If the overhead of a QUIT function call is proving
151 significant then its calling frequency should probably be reduced
152 [kingdon]. A profile analyzing the current situtation is
156 if (quit_flag) quit (); \
157 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
160 /* Languages represented in the symbol table and elsewhere.
161 This should probably be in language.h, but since enum's can't
162 be forward declared to satisfy opaque references before their
163 actual definition, needs to be here. */
167 language_unknown
, /* Language not known */
168 language_auto
, /* Placeholder for automatic setting */
170 language_cplus
, /* C++ */
171 language_objc
, /* Objective-C */
172 language_java
, /* Java */
173 language_fortran
, /* Fortran */
174 language_m2
, /* Modula-2 */
175 language_asm
, /* Assembly language */
176 language_pascal
, /* Pascal */
177 language_ada
, /* Ada */
178 language_scm
, /* Guile Scheme */
179 language_minimal
, /* All other languages, minimal support only */
187 unspecified_precision
190 /* A generic, not quite boolean, enumeration. */
198 /* Potential ways that a function can return a value of a given type. */
199 enum return_value_convention
201 /* Where the return value has been squeezed into one or more
203 RETURN_VALUE_REGISTER_CONVENTION
,
204 /* Commonly known as the "struct return convention". The caller
205 passes an additional hidden first parameter to the caller. That
206 parameter contains the address at which the value being returned
207 should be stored. While typically, and historically, used for
208 large structs, this is convention is applied to values of many
210 RETURN_VALUE_STRUCT_CONVENTION
,
211 /* Like the "struct return convention" above, but where the ABI
212 guarantees that the called function stores the address at which
213 the value being returned is stored in a well-defined location,
214 such as a register or memory slot in the stack frame. Don't use
215 this if the ABI doesn't explicitly guarantees this. */
216 RETURN_VALUE_ABI_RETURNS_ADDRESS
,
217 /* Like the "struct return convention" above, but where the ABI
218 guarantees that the address at which the value being returned is
219 stored will be available in a well-defined location, such as a
220 register or memory slot in the stack frame. Don't use this if
221 the ABI doesn't explicitly guarantees this. */
222 RETURN_VALUE_ABI_PRESERVES_ADDRESS
,
225 /* the cleanup list records things that have to be undone
226 if an error happens (descriptors to be closed, memory to be freed, etc.)
227 Each link in the chain records a function to call and an
230 Use make_cleanup to add an element to the cleanup chain.
231 Use do_cleanups to do all cleanup actions back to a given
232 point in the chain. Use discard_cleanups to remove cleanups
233 from the chain back to a given point, not doing them. */
237 struct cleanup
*next
;
238 void (*function
) (void *);
243 /* The ability to declare that a function never returns is useful, but
244 not really required to compile GDB successfully, so the NORETURN and
245 ATTR_NORETURN macros normally expand into nothing. */
247 /* If compiling with older versions of GCC, a function may be declared
248 "volatile" to indicate that it does not return. */
251 #if defined(__GNUC__) \
252 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
253 #define NORETURN volatile
255 #define NORETURN /* nothing */
259 /* GCC 2.5 and later versions define a function attribute "noreturn",
260 which is the preferred way to declare that a function never returns.
261 However GCC 2.7 appears to be the first version in which this fully
262 works everywhere we use it. */
264 #ifndef ATTR_NORETURN
265 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
266 #define ATTR_NORETURN __attribute__ ((noreturn))
268 #define ATTR_NORETURN /* nothing */
273 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
274 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
276 #define ATTR_FORMAT(type, x, y) /* nothing */
280 /* Be conservative and use enum bitfields only with GCC.
281 This is copied from gcc 3.3.1, system.h. */
283 #if defined(__GNUC__) && (__GNUC__ >= 2)
284 #define ENUM_BITFIELD(TYPE) enum TYPE
286 #define ENUM_BITFIELD(TYPE) unsigned int
289 /* Needed for various prototypes */
297 extern void initialize_utils (void);
299 extern void notice_quit (void);
301 extern int strcmp_iw (const char *, const char *);
303 extern int strcmp_iw_ordered (const char *, const char *);
305 extern int streq (const char *, const char *);
307 extern int subset_compare (char *, char *);
309 extern char *safe_strerror (int);
311 #define ALL_CLEANUPS ((struct cleanup *)0)
313 extern void do_cleanups (struct cleanup
*);
314 extern void do_final_cleanups (struct cleanup
*);
316 extern void discard_cleanups (struct cleanup
*);
317 extern void discard_final_cleanups (struct cleanup
*);
318 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
320 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
321 make_cleanup function declarations below. Do not use this typedef
322 as a cast when passing functions into the make_cleanup() code.
323 Instead either use a bounce function or add a wrapper function.
324 Calling a f(char*) function with f(void*) is non-portable. */
325 typedef void (make_cleanup_ftype
) (void *);
327 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
329 extern struct cleanup
*make_cleanup_freeargv (char **);
332 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
334 struct section_addr_info
;
335 extern struct cleanup
*(make_cleanup_free_section_addr_info
336 (struct section_addr_info
*));
338 extern struct cleanup
*make_cleanup_close (int fd
);
340 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
342 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
344 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
345 make_cleanup_ftype
*, void *);
347 extern struct cleanup
*save_cleanups (void);
348 extern struct cleanup
*save_final_cleanups (void);
349 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
351 extern void restore_cleanups (struct cleanup
*);
352 extern void restore_final_cleanups (struct cleanup
*);
353 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
355 extern void free_current_contents (void *);
357 extern void null_cleanup (void *);
359 extern int myread (int, char *, int);
361 extern int query (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
362 extern int nquery (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
363 extern int yquery (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
365 extern void init_page_info (void);
367 extern char *gdb_realpath (const char *);
368 extern char *xfullpath (const char *);
370 extern unsigned long gnu_debuglink_crc32 (unsigned long crc
,
371 unsigned char *buf
, size_t len
);
373 ULONGEST
strtoulst (const char *num
, const char **trailer
, int base
);
375 char *ldirname (const char *filename
);
377 /* From demangle.c */
379 extern void set_demangling_style (char *);
382 /* Annotation stuff. */
384 extern int annotation_level
; /* in stack.c */
386 extern void begin_line (void);
388 extern void wrap_here (char *);
390 extern void reinitialize_more_filter (void);
393 extern struct ui_file
*gdb_stdout
;
395 extern struct ui_file
*gdb_stdin
;
396 /* Serious error notifications */
397 extern struct ui_file
*gdb_stderr
;
398 /* Log/debug/trace messages that should bypass normal stdout/stderr
399 filtering. For moment, always call this stream using
400 *_unfiltered. In the very near future that restriction shall be
401 removed - either call shall be unfiltered. (cagney 1999-06-13). */
402 extern struct ui_file
*gdb_stdlog
;
403 /* Target output that should bypass normal stdout/stderr filtering.
404 For moment, always call this stream using *_unfiltered. In the
405 very near future that restriction shall be removed - either call
406 shall be unfiltered. (cagney 1999-07-02). */
407 extern struct ui_file
*gdb_stdtarg
;
408 extern struct ui_file
*gdb_stdtargerr
;
409 extern struct ui_file
*gdb_stdtargin
;
413 /* More generic printf like operations. Filtered versions may return
414 non-locally on error. */
416 extern void fputs_filtered (const char *, struct ui_file
*);
418 extern void fputs_unfiltered (const char *, struct ui_file
*);
420 extern int fputc_filtered (int c
, struct ui_file
*);
422 extern int fputc_unfiltered (int c
, struct ui_file
*);
424 extern int putchar_filtered (int c
);
426 extern int putchar_unfiltered (int c
);
428 extern void puts_filtered (const char *);
430 extern void puts_unfiltered (const char *);
432 extern void puts_filtered_tabular (char *string
, int width
, int right
);
434 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
436 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
438 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
440 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
442 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
444 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
446 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
448 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
450 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
452 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
454 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
456 extern void print_spaces (int, struct ui_file
*);
458 extern void print_spaces_filtered (int, struct ui_file
*);
460 extern char *n_spaces (int);
462 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
464 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
466 extern void fputstrn_filtered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
468 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
470 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
471 extern void gdb_print_host_address (const void *addr
, struct ui_file
*stream
);
473 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
474 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
476 extern int strlen_paddr (void);
477 extern char *paddr (CORE_ADDR addr
);
478 extern char *paddr_nz (CORE_ADDR addr
);
479 extern char *paddr_u (CORE_ADDR addr
);
480 extern char *paddr_d (LONGEST addr
);
482 /* Like 0x%lx, replaces deprecated_print_address_numeric. */
483 extern const char *paddress (CORE_ADDR addr
);
485 extern char *phex (ULONGEST l
, int sizeof_l
);
486 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
487 extern char *int_string (LONGEST
, int, int, int, int);
489 /* Like paddr() only print/scan raw CORE_ADDR. The output from
490 core_addr_to_string() can be passed direct to
491 string_to_core_addr(). */
492 extern const char *core_addr_to_string (const CORE_ADDR addr
);
493 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
494 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
496 /* Return a string that contains a number formatted as a hex
498 extern char *hex_string (LONGEST
);
499 extern char *hex_string_custom (LONGEST
, int);
501 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
504 extern NORETURN
void perror_with_name (const char *) ATTR_NORETURN
;
506 extern void print_sys_errmsg (const char *, int);
508 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
509 "const char *" in unistd.h, so we can't declare the argument
512 extern char *re_comp (const char *);
516 extern void symbol_file_command (char *, int);
518 /* Remote targets may wish to use this as their load function. */
519 extern void generic_load (char *name
, int from_tty
);
521 /* Report on STREAM the performance of memory transfer operation,
523 DATA_COUNT is the number of bytes transferred.
524 WRITE_COUNT is the number of separate write operations, or 0,
525 if that information is not available.
526 START_TIME is the time at which an operation was started.
527 END_TIME is the time at which an operation ended. */
529 extern void print_transfer_performance (struct ui_file
*stream
,
530 unsigned long data_count
,
531 unsigned long write_count
,
532 const struct timeval
*start_time
,
533 const struct timeval
*end_time
);
537 typedef void initialize_file_ftype (void);
539 extern char *skip_quoted (char *);
541 extern char *gdb_readline (char *);
543 extern char *gdb_readline_wrapper (char *);
545 extern char *command_line_input (char *, int, char *);
547 extern void print_prompt (void);
549 extern int input_from_terminal_p (void);
551 extern int info_verbose
;
553 /* From printcmd.c */
555 extern void set_next_address (CORE_ADDR
);
557 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
560 extern int build_address_symbolic (CORE_ADDR addr
,
568 extern void deprecated_print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
570 extern void print_address (CORE_ADDR
, struct ui_file
*);
574 #define OPF_TRY_CWD_FIRST 0x01
575 #define OPF_SEARCH_IN_PATH 0x02
577 extern int openp (const char *, int, const char *, int, int, char **);
579 extern int source_full_path_of (char *, char **);
581 extern void mod_path (char *, char **);
583 extern void add_path (char *, char **, int);
585 extern void directory_command (char *, int);
587 extern void directory_switch (char *, int);
589 extern char *source_path
;
591 extern void init_source_path (void);
593 extern void init_last_source_visited (void);
597 /* Take over the 'find_mapped_memory' vector from exec.c. */
598 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR
,
604 /* Possible lvalue types. Like enum language, this should be in
605 value.h, but needs to be here for the same reason. */
613 /* In a register. Registers are relative to a frame. */
615 /* In a gdb internal variable. */
617 /* Part of a gdb internal variable (structure field). */
618 lval_internalvar_component
621 /* Control types for commands */
623 enum misc_command_type
631 enum command_control_type
642 /* Structure for saved commands lines
643 (for breakpoints, defined commands, etc). */
647 struct command_line
*next
;
649 enum command_control_type control_type
;
651 struct command_line
**body_list
;
654 extern struct command_line
*read_command_lines (char *, int);
656 extern void free_command_lines (struct command_line
**);
658 /* To continue the execution commands when running gdb asynchronously.
659 A continuation structure contains a pointer to a function to be called
660 to finish the command, once the target has stopped. Such mechanism is
661 used by the finish and until commands, and in the remote protocol
662 when opening an extended-remote connection. */
664 struct continuation_arg
666 struct continuation_arg
*next
;
667 union continuation_data
{
676 void (*continuation_hook
) (struct continuation_arg
*, int);
677 struct continuation_arg
*arg_list
;
678 struct continuation
*next
;
682 extern struct continuation
*cmd_continuation
;
683 /* Used only by the step_1 function. */
684 extern struct continuation
*intermediate_continuation
;
687 extern void add_continuation (void (*)(struct continuation_arg
*, int),
688 struct continuation_arg
*);
689 extern void do_all_continuations (int error
);
690 extern void discard_all_continuations (void);
692 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*, int),
693 struct continuation_arg
*);
694 extern void do_all_intermediate_continuations (int error
);
695 extern void discard_all_intermediate_continuations (void);
697 /* String containing the current directory (what getwd would return). */
699 extern char *current_directory
;
701 /* Default radixes for input and output. Only some values supported. */
702 extern unsigned input_radix
;
703 extern unsigned output_radix
;
705 /* Possibilities for prettyprint parameters to routines which print
706 things. Like enum language, this should be in value.h, but needs
707 to be here for the same reason. FIXME: If we can eliminate this
708 as an arg to LA_VAL_PRINT, then we can probably move it back to
713 Val_no_prettyprint
= 0,
715 /* Use the default setting which the user has specified. */
719 /* The ptid struct is a collection of the various "ids" necessary
720 for identifying the inferior. This consists of the process id
721 (pid), thread id (tid), and other fields necessary for uniquely
722 identifying the inferior process/thread being debugged. When
723 manipulating ptids, the constructors, accessors, and predicate
724 declared in inferior.h should be used. These are as follows:
726 ptid_build - Make a new ptid from a pid, lwp, and tid.
727 pid_to_ptid - Make a new ptid from just a pid.
728 ptid_get_pid - Fetch the pid component of a ptid.
729 ptid_get_lwp - Fetch the lwp component of a ptid.
730 ptid_get_tid - Fetch the tid component of a ptid.
731 ptid_equal - Test to see if two ptids are equal.
733 Please do NOT access the struct ptid members directly (except, of
734 course, in the implementation of the above ptid manipulation
742 /* Lightweight process id */
749 typedef struct ptid ptid_t
;
753 /* Optional native machine support. Non-native (and possibly pure
754 multi-arch) targets do not need a "nm.h" file. This will be a
755 symlink to one of the nm-*.h files, built by the `configure'
762 /* Assume that fopen accepts the letter "b" in the mode string.
763 It is demanded by ISO C9X, and should be supported on all
764 platforms that claim to have a standard-conforming C library. On
765 true POSIX systems it will be ignored and have no effect. There
766 may still be systems without a standard-conforming C library where
767 an ISO C9X compiler (GCC) is available. Known examples are SunOS
768 4.x and 4.3BSD. This assumption means these systems are no longer
771 # include "fopen-bin.h"
774 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
775 FIXME: Assumes 2's complement arithmetic */
777 #if !defined (UINT_MAX)
778 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
781 #if !defined (INT_MAX)
782 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
785 #if !defined (INT_MIN)
786 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
789 #if !defined (ULONG_MAX)
790 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
793 #if !defined (LONG_MAX)
794 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
797 #if !defined (ULONGEST_MAX)
798 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
801 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
802 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
805 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
806 arguments to a function, number in a value history, register number, etc.)
807 where the value must not be larger than can fit in an int. */
809 extern int longest_to_int (LONGEST
);
811 /* Assorted functions we can declare, now that const and volatile are
814 extern char *savestring (const char *, size_t);
816 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
818 extern void xfree (void *);
820 /* Like xmalloc, but zero the memory. */
821 extern void *xzalloc (size_t);
823 /* Utility macros to allocate typed memory. Avoids errors like:
824 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
825 sizeof (struct foo), 0). */
826 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
827 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
828 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
830 /* Like asprintf/vasprintf but get an internal_error if the call
832 extern void xasprintf (char **ret
, const char *format
, ...) ATTR_FORMAT (printf
, 2, 3);
833 extern void xvasprintf (char **ret
, const char *format
, va_list ap
)
834 ATTR_FORMAT (printf
, 2, 0);
836 /* Like asprintf and vasprintf, but return the string, throw an error
838 extern char *xstrprintf (const char *format
, ...) ATTR_FORMAT (printf
, 1, 2);
839 extern char *xstrvprintf (const char *format
, va_list ap
)
840 ATTR_FORMAT (printf
, 1, 0);
842 /* Like snprintf, but throw an error if the output buffer is too small. */
843 extern int xsnprintf (char *str
, size_t size
, const char *format
, ...)
844 ATTR_FORMAT (printf
, 3, 4);
846 extern int parse_escape (char **);
848 /* Message to be printed before the error message, when an error occurs. */
850 extern char *error_pre_print
;
852 /* Message to be printed before the error message, when an error occurs. */
854 extern char *quit_pre_print
;
856 /* Message to be printed before the warning message, when a warning occurs. */
858 extern char *warning_pre_print
;
860 extern NORETURN
void verror (const char *fmt
, va_list ap
)
861 ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 0);
863 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
865 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
867 extern NORETURN
void vfatal (const char *fmt
, va_list ap
)
868 ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 0);
870 extern NORETURN
void fatal (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
872 extern NORETURN
void internal_verror (const char *file
, int line
,
873 const char *, va_list ap
)
874 ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 0);
876 extern NORETURN
void internal_error (const char *file
, int line
,
877 const char *, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 4);
879 extern void internal_vwarning (const char *file
, int line
,
880 const char *, va_list ap
)
881 ATTR_FORMAT (printf
, 3, 0);
883 extern void internal_warning (const char *file
, int line
,
884 const char *, ...) ATTR_FORMAT (printf
, 3, 4);
886 extern NORETURN
void nomem (long) ATTR_NORETURN
;
888 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
890 extern void vwarning (const char *, va_list args
) ATTR_FORMAT (printf
, 1, 0);
892 /* List of known OS ABIs. If you change this, make sure to update the
896 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
898 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
905 GDB_OSABI_FREEBSD_AOUT
,
906 GDB_OSABI_FREEBSD_ELF
,
907 GDB_OSABI_NETBSD_AOUT
,
908 GDB_OSABI_NETBSD_ELF
,
909 GDB_OSABI_OPENBSD_ELF
,
923 GDB_OSABI_INVALID
/* keep this last */
926 /* Global functions from other, non-gdb GNU thingies.
927 Libiberty thingies are no longer declared here. We include libiberty.h
930 /* From other system libraries */
940 #define min(a, b) ((a) < (b) ? (a) : (b))
943 #define max(a, b) ((a) > (b) ? (a) : (b))
948 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
951 /* Various possibilities for alloca. */
954 #define alloca __builtin_alloca
955 #else /* Not GNU C */
963 /* We need to be careful not to declare this in a way which conflicts with
964 bison. Bison never declares it as char *, but under various circumstances
965 (like __hpux) we need to use void *. */
966 extern void *alloca ();
967 #endif /* Not _AIX */
968 #endif /* Not HAVE_ALLOCA_H */
969 #endif /* Not GNU C */
970 #endif /* alloca not defined */
972 /* Dynamic target-system-dependent parameters for GDB. */
975 /* Maximum size of a register. Something small, but large enough for
976 all known ISAs. If it turns out to be too small, make it bigger. */
978 enum { MAX_REGISTER_SIZE
= 16 };
980 /* Static target-system-dependent parameters for GDB. */
982 /* Number of bits in a char or unsigned char for the target machine.
983 Just like CHAR_BIT in <limits.h> but describes the target machine. */
984 #if !defined (TARGET_CHAR_BIT)
985 #define TARGET_CHAR_BIT 8
988 /* If we picked up a copy of CHAR_BIT from a configuration file
989 (which may get it by including <limits.h>) then use it to set
990 the number of bits in a host char. If not, use the same size
993 #if defined (CHAR_BIT)
994 #define HOST_CHAR_BIT CHAR_BIT
996 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1001 extern LONGEST
extract_signed_integer (const gdb_byte
*, int);
1003 extern ULONGEST
extract_unsigned_integer (const gdb_byte
*, int);
1005 extern int extract_long_unsigned_integer (const gdb_byte
*, int, LONGEST
*);
1007 extern CORE_ADDR
extract_typed_address (const gdb_byte
*buf
,
1010 extern void store_signed_integer (gdb_byte
*, int, LONGEST
);
1012 extern void store_unsigned_integer (gdb_byte
*, int, ULONGEST
);
1014 extern void store_typed_address (gdb_byte
*buf
, struct type
*type
,
1020 extern int watchdog
;
1022 /* Hooks for alternate command interfaces. */
1024 /* The name of the interpreter if specified on the command line. */
1025 extern char *interpreter_p
;
1027 /* If a given interpreter matches INTERPRETER_P then it should update
1028 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1029 per-interpreter implementation. */
1030 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1031 should be moved here. */
1033 struct target_waitstatus
;
1034 struct cmd_list_element
;
1036 extern void (*deprecated_pre_add_symbol_hook
) (const char *);
1037 extern void (*deprecated_post_add_symbol_hook
) (void);
1038 extern void (*selected_frame_level_changed_hook
) (int);
1039 extern int (*deprecated_ui_loop_hook
) (int signo
);
1040 extern void (*deprecated_init_ui_hook
) (char *argv0
);
1041 extern void (*deprecated_command_loop_hook
) (void);
1042 extern void (*deprecated_show_load_progress
) (const char *section
,
1043 unsigned long section_sent
,
1044 unsigned long section_size
,
1045 unsigned long total_sent
,
1046 unsigned long total_size
);
1047 extern void (*deprecated_print_frame_info_listing_hook
) (struct symtab
* s
,
1048 int line
, int stopline
,
1050 extern int (*deprecated_query_hook
) (const char *, va_list)
1051 ATTRIBUTE_FPTR_PRINTF(1,0);
1052 extern void (*deprecated_warning_hook
) (const char *, va_list)
1053 ATTRIBUTE_FPTR_PRINTF(1,0);
1054 extern void (*deprecated_flush_hook
) (struct ui_file
* stream
);
1055 extern void (*deprecated_create_breakpoint_hook
) (struct breakpoint
* b
);
1056 extern void (*deprecated_delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1057 extern void (*deprecated_modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1058 extern void (*deprecated_interactive_hook
) (void);
1059 extern void (*deprecated_readline_begin_hook
) (char *, ...)
1060 ATTRIBUTE_FPTR_PRINTF_1
;
1061 extern char *(*deprecated_readline_hook
) (char *);
1062 extern void (*deprecated_readline_end_hook
) (void);
1063 extern void (*deprecated_register_changed_hook
) (int regno
);
1064 extern void (*deprecated_memory_changed_hook
) (CORE_ADDR addr
, int len
);
1065 extern void (*deprecated_context_hook
) (int);
1066 extern ptid_t (*deprecated_target_wait_hook
) (ptid_t ptid
,
1067 struct target_waitstatus
* status
);
1069 extern void (*deprecated_attach_hook
) (void);
1070 extern void (*deprecated_detach_hook
) (void);
1071 extern void (*deprecated_call_command_hook
) (struct cmd_list_element
* c
,
1072 char *cmd
, int from_tty
);
1074 extern void (*deprecated_set_hook
) (struct cmd_list_element
* c
);
1076 extern void (*deprecated_error_hook
) (void);
1078 extern void (*deprecated_error_begin_hook
) (void);
1080 extern int (*deprecated_ui_load_progress_hook
) (const char *section
,
1084 /* Inhibit window interface if non-zero. */
1086 extern int use_windows
;
1088 /* Symbolic definitions of filename-related things. */
1089 /* FIXME, this doesn't work very well if host and executable
1090 filesystems conventions are different. */
1094 # define GLOBAL_CURDIR
1095 # define DIRNAME_SEPARATOR ';'
1098 #if !defined (__CYGWIN__) && defined (_WIN32)
1099 # define DIRNAME_SEPARATOR ';'
1102 #ifndef DIRNAME_SEPARATOR
1103 #define DIRNAME_SEPARATOR ':'
1106 #ifndef SLASH_STRING
1107 #define SLASH_STRING "/"
1110 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1111 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1112 in the code actually refer to a lightweight process id, i.e,
1113 something that can be considered a process id in its own right for
1114 certain purposes. */
1117 #define PIDGET(PTID) (ptid_get_pid (PTID))
1118 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1119 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1122 /* Define well known filenos if the system does not define them. */
1123 #ifndef STDIN_FILENO
1124 #define STDIN_FILENO 0
1126 #ifndef STDOUT_FILENO
1127 #define STDOUT_FILENO 1
1129 #ifndef STDERR_FILENO
1130 #define STDERR_FILENO 2
1133 /* If this definition isn't overridden by the header files, assume
1134 that isatty and fileno exist on this system. */
1136 #define ISATTY(FP) (isatty (fileno (FP)))
1139 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1140 power of 2). Round up/down when necessary. Examples of correct
1143 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1144 write_memory (addr, value, len);
1149 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1150 write_memory (sp, value, len);
1152 Note that uses such as:
1154 write_memory (addr, value, len);
1155 addr += align_up (len, 8);
1159 sp -= align_up (len, 8);
1160 write_memory (sp, value, len);
1162 are typically not correct as they don't ensure that the address (SP
1163 or ADDR) is correctly aligned (relying on previous alignment to
1164 keep things right). This is also why the methods are called
1165 "align_..." instead of "round_..." as the latter reads better with
1166 this incorrect coding style. */
1168 extern ULONGEST
align_up (ULONGEST v
, int n
);
1169 extern ULONGEST
align_down (ULONGEST v
, int n
);
1171 /* Allocation and deallocation functions for the libiberty hash table
1172 which use obstacks. */
1173 void *hashtab_obstack_allocate (void *data
, size_t size
, size_t count
);
1174 void dummy_obstack_deallocate (void *object
, void *data
);
1176 #endif /* #ifndef DEFS_H */