1 /* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
2 /* Basic, host-specific, and target-specific definitions for GDB.
3 Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
4 1997, 1998, 1999, 2000, 2001, 2002, 2003
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 2 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, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
27 #include "config.h" /* Generated by configure. */
30 #include <errno.h> /* System call error return status. */
36 #include <sys/types.h> /* For size_t. */
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 #include <stdarg.h> /* For va_list. */
64 #include "libiberty.h"
68 /* For BFD64 and bfd_vma. */
72 /* The target is partially multi-arched. Both "tm.h" and the
73 multi-arch vector provide definitions. "tm.h" normally overrides
74 the multi-arch vector (but there are a few exceptions). */
76 #define GDB_MULTI_ARCH_PARTIAL 1
78 /* The target is partially multi-arched. Both the multi-arch vector
79 and "tm.h" provide definitions. "tm.h" cannot override a definition
80 provided by the multi-arch vector. It is detected as a compilation
83 This setting is only useful during a multi-arch conversion. */
85 #define GDB_MULTI_ARCH_TM 2
87 /* The target is pure multi-arch. The MULTI-ARCH vector provides all
88 definitions. "tm.h" is linked to an empty file. */
90 #define GDB_MULTI_ARCH_PURE 3
94 /* An address in the program being debugged. Host byte order. Rather
95 than duplicate all the logic in BFD which figures out what type
96 this is (long, long long, etc.) and whether it needs to be 64
97 bits (the host/target interactions are subtle), we just use
100 typedef bfd_vma CORE_ADDR
;
102 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
108 #define LONGEST BFD_HOST_64_BIT
109 #define ULONGEST BFD_HOST_U_64_BIT
113 #ifdef CC_HAS_LONG_LONG
114 #define LONGEST long long
115 #define ULONGEST unsigned long long
117 #ifdef BFD_HOST_64_BIT
118 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
119 (e.g. i386-windows) so try it. */
120 #define LONGEST BFD_HOST_64_BIT
121 #define ULONGEST BFD_HOST_U_64_BIT
124 #define ULONGEST unsigned long
128 #endif /* No BFD64 */
130 #endif /* ! LONGEST */
133 #define min(a, b) ((a) < (b) ? (a) : (b))
136 #define max(a, b) ((a) > (b) ? (a) : (b))
139 /* Macros to do string compares.
141 NOTE: cagney/2000-03-14:
143 While old code can continue to refer to these macros, new code is
144 probably better off using strcmp() directly vis: ``strcmp() == 0''
145 and ``strcmp() != 0''.
147 This is because modern compilers can directly inline strcmp()
148 making the original justification for these macros - avoid function
149 call overhead by pre-testing the first characters
150 (``*X==*Y?...:0'') - redundant.
152 ``Even if [...] testing the first character does have a modest
153 performance improvement, I'd rather that whenever a performance
154 issue is found that we spend the effort on algorithmic
155 optimizations than micro-optimizing.'' J.T. */
157 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
158 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
160 /* Check if a character is one of the commonly used C++ marker characters. */
161 extern int is_cplus_marker (int);
163 /* enable xdb commands if set */
164 extern int xdb_commands
;
166 /* enable dbx commands if set */
167 extern int dbx_commands
;
169 /* System root path, used to find libraries etc. */
170 extern char *gdb_sysroot
;
172 extern int quit_flag
;
173 extern int immediate_quit
;
174 extern int sevenbit_strings
;
176 extern void quit (void);
178 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
179 benefits of having a ``QUIT'' macro rather than a function are
180 marginal. If the overhead of a QUIT function call is proving
181 significant then its calling frequency should probably be reduced
182 [kingdon]. A profile analyzing the current situtation is
186 /* do twice to force compiler warning */
187 #define QUIT_FIXME "FIXME"
188 #define QUIT_FIXME "ignoring redefinition of QUIT"
191 if (quit_flag) quit (); \
192 if (interactive_hook) interactive_hook (); \
197 /* Languages represented in the symbol table and elsewhere.
198 This should probably be in language.h, but since enum's can't
199 be forward declared to satisfy opaque references before their
200 actual definition, needs to be here. */
204 language_unknown
, /* Language not known */
205 language_auto
, /* Placeholder for automatic setting */
207 language_cplus
, /* C++ */
208 language_objc
, /* Objective-C */
209 language_java
, /* Java */
210 language_fortran
, /* Fortran */
211 language_m2
, /* Modula-2 */
212 language_asm
, /* Assembly language */
213 language_scm
, /* Scheme / Guile */
214 language_pascal
/* Pascal */
221 unspecified_precision
224 /* A generic, not quite boolean, enumeration. */
232 /* the cleanup list records things that have to be undone
233 if an error happens (descriptors to be closed, memory to be freed, etc.)
234 Each link in the chain records a function to call and an
237 Use make_cleanup to add an element to the cleanup chain.
238 Use do_cleanups to do all cleanup actions back to a given
239 point in the chain. Use discard_cleanups to remove cleanups
240 from the chain back to a given point, not doing them. */
244 struct cleanup
*next
;
245 void (*function
) (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 /* Needed for various prototypes */
292 /* From blockframe.c */
294 extern int inside_entry_func (CORE_ADDR
);
296 extern int inside_entry_file (CORE_ADDR addr
);
298 extern int inside_main_func (CORE_ADDR pc
);
302 extern void initialize_utils (void);
304 extern void notice_quit (void);
306 extern int strcmp_iw (const char *, const char *);
308 extern int streq (const char *, const char *);
310 extern int subset_compare (char *, char *);
312 extern char *safe_strerror (int);
314 extern void init_malloc (void *);
316 extern void request_quit (int);
318 extern void do_cleanups (struct cleanup
*);
319 extern void do_final_cleanups (struct cleanup
*);
320 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
321 extern void do_run_cleanups (struct cleanup
*);
322 extern void do_exec_cleanups (struct cleanup
*);
323 extern void do_exec_error_cleanups (struct cleanup
*);
325 extern void discard_cleanups (struct cleanup
*);
326 extern void discard_final_cleanups (struct cleanup
*);
327 extern void discard_exec_error_cleanups (struct cleanup
*);
328 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
330 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
331 make_cleanup function declarations below. Do not use this typedef
332 as a cast when passing functions into the make_cleanup() code.
333 Instead either use a bounce function or add a wrapper function.
334 Calling a f(char*) function with f(void*) is non-portable. */
335 typedef void (make_cleanup_ftype
) (void *);
337 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
339 extern struct cleanup
*make_cleanup_freeargv (char **);
342 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
344 extern struct cleanup
*make_cleanup_close (int fd
);
346 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
348 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
350 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
351 make_cleanup_ftype
*, void *);
353 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
355 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
356 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
358 extern struct cleanup
*save_cleanups (void);
359 extern struct cleanup
*save_final_cleanups (void);
360 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
362 extern void restore_cleanups (struct cleanup
*);
363 extern void restore_final_cleanups (struct cleanup
*);
364 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
366 extern void free_current_contents (void *);
368 extern void null_cleanup (void *);
370 extern int myread (int, char *, int);
372 extern int query (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
374 extern void init_page_info (void);
376 extern char *gdb_realpath (const char *);
377 extern char *xfullpath (const char *);
379 extern unsigned long gnu_debuglink_crc32 (unsigned long crc
,
380 unsigned char *buf
, size_t len
);
382 /* From demangle.c */
384 extern void set_demangling_style (char *);
389 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
390 extern use_struct_convention_fn generic_use_struct_convention
;
393 /* Annotation stuff. */
395 extern int annotation_level
; /* in stack.c */
397 extern void begin_line (void);
399 extern void wrap_here (char *);
401 extern void reinitialize_more_filter (void);
404 extern struct ui_file
*gdb_stdout
;
405 /* Serious error notifications */
406 extern struct ui_file
*gdb_stderr
;
407 /* Log/debug/trace messages that should bypass normal stdout/stderr
408 filtering. For momement, always call this stream using
409 *_unfiltered. In the very near future that restriction shall be
410 removed - either call shall be unfiltered. (cagney 1999-06-13). */
411 extern struct ui_file
*gdb_stdlog
;
412 /* Target output that should bypass normal stdout/stderr filtering.
413 For momement, always call this stream using *_unfiltered. In the
414 very near future that restriction shall be removed - either call
415 shall be unfiltered. (cagney 1999-07-02). */
416 extern struct ui_file
*gdb_stdtarg
;
424 /* More generic printf like operations. Filtered versions may return
425 non-locally on error. */
427 extern void fputs_filtered (const char *, struct ui_file
*);
429 extern void fputs_unfiltered (const char *, struct ui_file
*);
431 extern int fputc_filtered (int c
, struct ui_file
*);
433 extern int fputc_unfiltered (int c
, struct ui_file
*);
435 extern int putchar_filtered (int c
);
437 extern int putchar_unfiltered (int c
);
439 extern void puts_filtered (const char *);
441 extern void puts_unfiltered (const char *);
443 extern void puts_filtered_tabular (char *string
, int width
, int right
);
445 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
447 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
449 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
451 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
453 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
455 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
457 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
459 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
461 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
463 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
465 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
467 extern void print_spaces (int, struct ui_file
*);
469 extern void print_spaces_filtered (int, struct ui_file
*);
471 extern char *n_spaces (int);
473 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
475 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
477 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
479 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
480 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
482 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
483 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
485 extern int strlen_paddr (void);
486 extern char *paddr (CORE_ADDR addr
);
487 extern char *paddr_nz (CORE_ADDR addr
);
488 extern char *paddr_u (CORE_ADDR addr
);
489 extern char *paddr_d (LONGEST addr
);
491 extern char *phex (ULONGEST l
, int sizeof_l
);
492 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
494 /* Like paddr() only print/scan raw CORE_ADDR. The output from
495 core_addr_to_string() can be passed direct to
496 string_to_core_addr(). */
497 extern const char *core_addr_to_string (const CORE_ADDR addr
);
498 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
499 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
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 /* Summarise a download */
522 extern void print_transfer_performance (struct ui_file
*stream
,
523 unsigned long data_count
,
524 unsigned long write_count
,
525 unsigned long time_count
);
529 typedef void initialize_file_ftype (void);
531 extern char *skip_quoted (char *);
533 extern char *gdb_readline (char *);
535 extern char *gdb_readline_wrapper (char *);
537 extern char *command_line_input (char *, int, char *);
539 extern void print_prompt (void);
541 extern int input_from_terminal_p (void);
543 extern int info_verbose
;
545 /* From printcmd.c */
547 extern void set_next_address (CORE_ADDR
);
549 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
552 extern int build_address_symbolic (CORE_ADDR addr
,
560 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
562 extern void print_address (CORE_ADDR
, struct ui_file
*);
566 extern int openp (const char *, int, const char *, int, int, char **);
568 extern int source_full_path_of (char *, char **);
570 extern void mod_path (char *, char **);
572 extern void add_path (char *, char **, int);
574 extern void directory_command (char *, int);
576 extern char *source_path
;
578 extern void init_source_path (void);
580 extern void init_last_source_visited (void);
582 extern char *symtab_to_filename (struct symtab
*);
586 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
587 bfd_signed_vma data_off
,
588 bfd_signed_vma bss_off
);
590 /* Take over the 'find_mapped_memory' vector from exec.c. */
591 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR
,
597 /* Possible lvalue types. Like enum language, this should be in
598 value.h, but needs to be here for the same reason. */
604 /* In memory. Could be a saved register. */
608 /* In a gdb internal variable. */
610 /* Part of a gdb internal variable (structure field). */
611 lval_internalvar_component
,
612 /* In a register series in a frame not the current one, which may have been
613 partially saved or saved in different places (otherwise would be
614 lval_register or lval_memory). */
615 lval_reg_frame_relative
620 /* Control types for commands */
622 enum misc_command_type
630 enum command_control_type
640 /* Structure for saved commands lines
641 (for breakpoints, defined commands, etc). */
645 struct command_line
*next
;
647 enum command_control_type control_type
;
649 struct command_line
**body_list
;
652 extern struct command_line
*read_command_lines (char *, int);
654 extern void free_command_lines (struct command_line
**);
656 /* To continue the execution commands when running gdb asynchronously.
657 A continuation structure contains a pointer to a function to be called
658 to finish the command, once the target has stopped. Such mechanism is
659 used bt the finish and until commands, and in the remote protocol
660 when opening an extended-remote connection. */
662 struct continuation_arg
664 struct continuation_arg
*next
;
665 union continuation_data
{
674 void (*continuation_hook
) (struct continuation_arg
*);
675 struct continuation_arg
*arg_list
;
676 struct continuation
*next
;
680 extern struct continuation
*cmd_continuation
;
681 /* Used only by the step_1 function. */
682 extern struct continuation
*intermediate_continuation
;
685 extern void add_continuation (void (*)(struct continuation_arg
*),
686 struct continuation_arg
*);
687 extern void do_all_continuations (void);
688 extern void discard_all_continuations (void);
690 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
691 struct continuation_arg
*);
692 extern void do_all_intermediate_continuations (void);
693 extern void discard_all_intermediate_continuations (void);
695 /* String containing the current directory (what getwd would return). */
697 extern char *current_directory
;
699 /* Default radixes for input and output. Only some values supported. */
700 extern unsigned input_radix
;
701 extern unsigned output_radix
;
703 /* Possibilities for prettyprint parameters to routines which print
704 things. Like enum language, this should be in value.h, but needs
705 to be here for the same reason. FIXME: If we can eliminate this
706 as an arg to LA_VAL_PRINT, then we can probably move it back to
711 Val_no_prettyprint
= 0,
713 /* Use the default setting which the user has specified. */
717 /* The ptid struct is a collection of the various "ids" necessary
718 for identifying the inferior. This consists of the process id
719 (pid), thread id (tid), and other fields necessary for uniquely
720 identifying the inferior process/thread being debugged. When
721 manipulating ptids, the constructors, accessors, and predicate
722 declared in inferior.h should be used. These are as follows:
724 ptid_build - Make a new ptid from a pid, lwp, and tid.
725 pid_to_ptid - Make a new ptid from just a pid.
726 ptid_get_pid - Fetch the pid component of a ptid.
727 ptid_get_lwp - Fetch the lwp component of a ptid.
728 ptid_get_tid - Fetch the tid component of a ptid.
729 ptid_equal - Test to see if two ptids are equal.
731 Please do NOT access the struct ptid members directly (except, of
732 course, in the implementation of the above ptid manipulation
740 /* Lightweight process id */
747 typedef struct ptid ptid_t
;
751 /* Optional host machine definition. Pure autoconf targets will not
752 need a "xm.h" file. This will be a symlink to one of the xm-*.h
753 files, built by the `configure' script. */
759 /* Optional native machine support. Non-native (and possibly pure
760 multi-arch) targets do not need a "nm.h" file. This will be a
761 symlink to one of the nm-*.h files, built by the `configure'
768 /* Optional target machine definition. Pure multi-arch configurations
769 do not need a "tm.h" file. This will be a symlink to one of the
770 tm-*.h files, built by the `configure' script. */
776 /* GDB_MULTI_ARCH is normally set by configure.in using information
777 from configure.tgt or the config/%/%.mt Makefile fragment. Since
778 some targets have defined it in their "tm.h" file, delay providing
779 a default definition until after "tm.h" has been included.. */
781 #ifndef GDB_MULTI_ARCH
782 #define GDB_MULTI_ARCH 0
786 /* If the xm.h file did not define the mode string used to open the
787 files, assume that binary files are opened the same way as text
790 #include "fopen-same.h"
793 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
794 FIXME: Assumes 2's complement arithmetic */
796 #if !defined (UINT_MAX)
797 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
800 #if !defined (INT_MAX)
801 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
804 #if !defined (INT_MIN)
805 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
808 #if !defined (ULONG_MAX)
809 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
812 #if !defined (LONG_MAX)
813 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
816 #if !defined (ULONGEST_MAX)
817 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
820 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
821 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
824 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
825 arguments to a function, number in a value history, register number, etc.)
826 where the value must not be larger than can fit in an int. */
828 extern int longest_to_int (LONGEST
);
830 /* Assorted functions we can declare, now that const and volatile are
833 extern char *savestring (const char *, size_t);
835 extern char *msavestring (void *, const char *, size_t);
837 extern char *mstrsave (void *, const char *);
839 /* Robust versions of same. Throw an internal error when no memory,
840 guard against stray NULL arguments. */
841 extern void *xmmalloc (void *md
, size_t size
);
842 extern void *xmrealloc (void *md
, void *ptr
, size_t size
);
843 extern void *xmcalloc (void *md
, size_t number
, size_t size
);
844 extern void xmfree (void *md
, void *ptr
);
846 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
848 extern void xfree (void *);
850 /* Utility macros to allocate typed memory. Avoids errors like
851 ``struct foo *foo = xmalloc (sizeof bar)'' and ``struct foo *foo =
852 (struct foo *) xmalloc (sizeof bar)''. */
853 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
854 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
856 /* Like asprintf/vasprintf but get an internal_error if the call
858 extern void xasprintf (char **ret
, const char *format
, ...) ATTR_FORMAT (printf
, 2, 3);
859 extern void xvasprintf (char **ret
, const char *format
, va_list ap
);
861 extern int parse_escape (char **);
863 /* Message to be printed before the error message, when an error occurs. */
865 extern char *error_pre_print
;
867 /* Message to be printed before the error message, when an error occurs. */
869 extern char *quit_pre_print
;
871 /* Message to be printed before the warning message, when a warning occurs. */
873 extern char *warning_pre_print
;
875 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
877 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
879 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
881 /* Returns a freshly allocate buffer containing the last error
883 extern char *error_last_message (void);
885 extern NORETURN
void internal_verror (const char *file
, int line
,
886 const char *, va_list ap
) ATTR_NORETURN
;
888 extern NORETURN
void internal_error (const char *file
, int line
,
889 const char *, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 4);
891 extern void internal_vwarning (const char *file
, int line
,
892 const char *, va_list ap
);
894 extern void internal_warning (const char *file
, int line
,
895 const char *, ...) ATTR_FORMAT (printf
, 3, 4);
897 extern NORETURN
void nomem (long) ATTR_NORETURN
;
899 /* Reasons for calling throw_exception(). NOTE: all reason values
900 must be less than zero. enum value 0 is reserved for internal use
901 as the return value from an initial setjmp(). The function
902 catch_exceptions() reserves values >= 0 as legal results from its
907 /* User interrupt. */
909 /* Any other error. */
913 #define ALL_CLEANUPS ((struct cleanup *)0)
915 #define RETURN_MASK(reason) (1 << (int)(-reason))
916 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
917 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
918 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
919 typedef int return_mask
;
921 /* Throw an exception of type RETURN_REASON. Will execute a LONG JUMP
922 to the inner most containing exception handler established using
923 catch_exceptions() (or the legacy catch_errors()).
925 Code normally throws an exception using error() et.al. For various
926 reaons, GDB also contains code that throws an exception directly.
927 For instance, the remote*.c targets contain CNTRL-C signal handlers
928 that propogate the QUIT event up the exception chain. ``This could
929 be a good thing or a dangerous thing.'' -- the Existential Wombat. */
931 extern NORETURN
void throw_exception (enum return_reason
) ATTR_NORETURN
;
933 /* Call FUNC(UIOUT, FUNC_ARGS) but wrapped within an exception
934 handler. If an exception (enum return_reason) is thrown using
935 throw_exception() than all cleanups installed since
936 catch_exceptions() was entered are invoked, the (-ve) exception
937 value is then returned by catch_exceptions. If FUNC() returns
938 normally (with a postive or zero return value) then that value is
939 returned by catch_exceptions(). It is an internal_error() for
940 FUNC() to return a negative value.
942 For the period of the FUNC() call: UIOUT is installed as the output
943 builder; ERRSTRING is installed as the error/quit message; and a
944 new cleanup_chain is established. The old values are restored
945 before catch_exceptions() returns.
947 FIXME; cagney/2001-08-13: The need to override the global UIOUT
948 builder variable should just go away.
950 This function superseeds catch_errors().
952 This function uses SETJMP() and LONGJUMP(). */
955 typedef int (catch_exceptions_ftype
) (struct ui_out
*ui_out
, void *args
);
956 extern int catch_exceptions (struct ui_out
*uiout
,
957 catch_exceptions_ftype
*func
, void *func_args
,
958 char *errstring
, return_mask mask
);
960 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
961 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
962 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
963 value. It's unfortunate that, catch_errors() does not return an
964 indication of the exact exception that it caught - quit_flag might
967 This function is superseeded by catch_exceptions(). */
969 typedef int (catch_errors_ftype
) (void *);
970 extern int catch_errors (catch_errors_ftype
*, void *, char *, return_mask
);
972 /* Template to catch_errors() that wraps calls to command
975 typedef void (catch_command_errors_ftype
) (char *, int);
976 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
978 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
980 extern void vwarning (const char *, va_list args
);
982 /* List of known OS ABIs. If you change this, make sure to update the
986 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
988 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
995 GDB_OSABI_FREEBSD_AOUT
,
996 GDB_OSABI_FREEBSD_ELF
,
997 GDB_OSABI_NETBSD_AOUT
,
998 GDB_OSABI_NETBSD_ELF
,
1008 GDB_OSABI_ARM_EABI_V1
,
1009 GDB_OSABI_ARM_EABI_V2
,
1012 GDB_OSABI_INVALID
/* keep this last */
1015 /* Global functions from other, non-gdb GNU thingies.
1016 Libiberty thingies are no longer declared here. We include libiberty.h
1019 #ifndef GETENV_PROVIDED
1020 extern char *getenv (const char *);
1023 /* From other system libraries */
1025 #ifdef HAVE_STDDEF_H
1029 #ifdef HAVE_STDLIB_H
1033 #define min(a, b) ((a) < (b) ? (a) : (b))
1036 #define max(a, b) ((a) > (b) ? (a) : (b))
1040 /* We take the address of fclose later, but some stdio's forget
1041 to declare this. We can't always declare it since there's
1042 no way to declare the parameters without upsetting some compiler
1045 #ifndef FCLOSE_PROVIDED
1046 extern int fclose (FILE *);
1050 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1053 /* Various possibilities for alloca. */
1056 #define alloca __builtin_alloca
1057 #else /* Not GNU C */
1058 #ifdef HAVE_ALLOCA_H
1065 /* We need to be careful not to declare this in a way which conflicts with
1066 bison. Bison never declares it as char *, but under various circumstances
1067 (like __hpux) we need to use void *. */
1068 extern void *alloca ();
1069 #endif /* Not _AIX */
1070 #endif /* Not HAVE_ALLOCA_H */
1071 #endif /* Not GNU C */
1072 #endif /* alloca not defined */
1074 /* Dynamic target-system-dependent parameters for GDB. */
1075 #include "gdbarch.h"
1076 #if (GDB_MULTI_ARCH == 0)
1077 /* Multi-arch targets _should_ be including "arch-utils.h" directly
1078 into their *-tdep.c file. This is a prop to help old non-
1079 multi-arch targets to continue to compile. */
1080 #include "arch-utils.h"
1083 /* Static target-system-dependent parameters for GDB. */
1085 /* Number of bits in a char or unsigned char for the target machine.
1086 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1087 #if !defined (TARGET_CHAR_BIT)
1088 #define TARGET_CHAR_BIT 8
1091 /* If we picked up a copy of CHAR_BIT from a configuration file
1092 (which may get it by including <limits.h>) then use it to set
1093 the number of bits in a host char. If not, use the same size
1096 #if defined (CHAR_BIT)
1097 #define HOST_CHAR_BIT CHAR_BIT
1099 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1102 /* The bit byte-order has to do just with numbering of bits in
1103 debugging symbols and such. Conceptually, it's quite separate
1104 from byte/word byte order. */
1106 #if !defined (BITS_BIG_ENDIAN)
1107 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
1112 extern LONGEST
extract_signed_integer (const void *, int);
1114 extern ULONGEST
extract_unsigned_integer (const void *, int);
1116 extern int extract_long_unsigned_integer (const void *, int, LONGEST
*);
1118 extern CORE_ADDR
extract_address (const void *, int);
1120 extern CORE_ADDR
extract_typed_address (const void *buf
, struct type
*type
);
1122 extern void store_signed_integer (void *, int, LONGEST
);
1124 extern void store_unsigned_integer (void *, int, ULONGEST
);
1126 extern void store_address (void *, int, LONGEST
);
1128 extern void store_typed_address (void *buf
, struct type
*type
, CORE_ADDR addr
);
1133 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1135 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1137 extern int watchdog
;
1139 /* Hooks for alternate command interfaces. */
1141 /* The name of the interpreter if specified on the command line. */
1142 extern char *interpreter_p
;
1144 /* If a given interpreter matches INTERPRETER_P then it should update
1145 command_loop_hook and init_ui_hook with the per-interpreter
1147 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1149 struct target_waitstatus
;
1150 struct cmd_list_element
;
1152 /* Should the asynchronous variant of the interpreter (using the
1153 event-loop) be enabled? */
1154 extern int event_loop_p
;
1156 extern void (*init_ui_hook
) (char *argv0
);
1157 extern void (*command_loop_hook
) (void);
1158 extern void (*show_load_progress
) (const char *section
,
1159 unsigned long section_sent
,
1160 unsigned long section_size
,
1161 unsigned long total_sent
,
1162 unsigned long total_size
);
1163 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1164 int line
, int stopline
,
1166 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1167 extern int (*query_hook
) (const char *, va_list);
1168 extern void (*warning_hook
) (const char *, va_list);
1169 extern void (*flush_hook
) (struct ui_file
* stream
);
1170 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1171 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1172 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1173 extern void (*interactive_hook
) (void);
1174 extern void (*registers_changed_hook
) (void);
1175 extern void (*readline_begin_hook
) (char *,...);
1176 extern char *(*readline_hook
) (char *);
1177 extern void (*readline_end_hook
) (void);
1178 extern void (*register_changed_hook
) (int regno
);
1179 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1180 extern void (*context_hook
) (int);
1181 extern ptid_t (*target_wait_hook
) (ptid_t ptid
,
1182 struct target_waitstatus
* status
);
1184 extern void (*attach_hook
) (void);
1185 extern void (*detach_hook
) (void);
1186 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1187 char *cmd
, int from_tty
);
1189 extern void (*set_hook
) (struct cmd_list_element
* c
);
1191 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1193 extern void (*error_begin_hook
) (void);
1195 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1198 /* Inhibit window interface if non-zero. */
1200 extern int use_windows
;
1202 /* Symbolic definitions of filename-related things. */
1203 /* FIXME, this doesn't work very well if host and executable
1204 filesystems conventions are different. */
1206 #ifndef DIRNAME_SEPARATOR
1207 #define DIRNAME_SEPARATOR ':'
1210 #ifndef SLASH_STRING
1211 #define SLASH_STRING "/"
1216 # define GLOBAL_CURDIR
1219 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1220 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1221 in the code actually refer to a lightweight process id, i.e,
1222 something that can be considered a process id in its own right for
1223 certain purposes. */
1226 #define PIDGET(PTID) (ptid_get_pid (PTID))
1227 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1228 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1231 /* Define well known filenos if the system does not define them. */
1232 #ifndef STDIN_FILENO
1233 #define STDIN_FILENO 0
1235 #ifndef STDOUT_FILENO
1236 #define STDOUT_FILENO 1
1238 #ifndef STDERR_FILENO
1239 #define STDERR_FILENO 2
1242 /* If this definition isn't overridden by the header files, assume
1243 that isatty and fileno exist on this system. */
1245 #define ISATTY(FP) (isatty (fileno (FP)))
1248 #endif /* #ifndef DEFS_H */