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
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 */
29 #include <errno.h> /* System call error return status */
35 #include <sys/types.h> /* for size_t */
42 /* For ``enum target_signal''. */
43 #include "gdb/signals.h"
45 /* Just in case they're not defined in stdio.h. */
54 /* First include ansidecl.h so we can use the various macro definitions
55 here and in all subsequent file inclusions. */
59 #include <stdarg.h> /* for va_list */
61 #include "libiberty.h"
65 /* For BFD64 and bfd_vma. */
69 /* The target is partially multi-arched. Both "tm.h" and the
70 multi-arch vector provide definitions. "tm.h" normally overrides
71 the multi-arch vector (but there are a few exceptions). */
73 #define GDB_MULTI_ARCH_PARTIAL 1
75 /* The target is partially multi-arched. Both the multi-arch vector
76 and "tm.h" provide definitions. "tm.h" cannot override a definition
77 provided by the multi-arch vector. It is detected as a compilation
80 This setting is only useful during a multi-arch conversion. */
82 #define GDB_MULTI_ARCH_TM 2
84 /* The target is pure multi-arch. The MULTI-ARCH vector provides all
85 definitions. "tm.h" is linked to an empty file. */
87 #define GDB_MULTI_ARCH_PURE 3
91 /* An address in the program being debugged. Host byte order. Rather
92 than duplicate all the logic in BFD which figures out what type
93 this is (long, long long, etc.) and whether it needs to be 64
94 bits (the host/target interactions are subtle), we just use
97 typedef bfd_vma CORE_ADDR
;
99 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
105 #define LONGEST BFD_HOST_64_BIT
106 #define ULONGEST BFD_HOST_U_64_BIT
110 #ifdef CC_HAS_LONG_LONG
111 #define LONGEST long long
112 #define ULONGEST unsigned long long
114 #ifdef BFD_HOST_64_BIT
115 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
116 (e.g. i386-windows) so try it. */
117 #define LONGEST BFD_HOST_64_BIT
118 #define ULONGEST BFD_HOST_U_64_BIT
121 #define ULONGEST unsigned long
125 #endif /* No BFD64 */
127 #endif /* ! LONGEST */
130 #define min(a, b) ((a) < (b) ? (a) : (b))
133 #define max(a, b) ((a) > (b) ? (a) : (b))
136 /* Macros to do string compares.
138 NOTE: cagney/2000-03-14:
140 While old code can continue to refer to these macros, new code is
141 probably better off using strcmp() directly vis: ``strcmp() == 0''
142 and ``strcmp() != 0''.
144 This is because modern compilers can directly inline strcmp()
145 making the original justification for these macros - avoid function
146 call overhead by pre-testing the first characters
147 (``*X==*Y?...:0'') - redundant.
149 ``Even if [...] testing the first character does have a modest
150 performance improvement, I'd rather that whenever a performance
151 issue is found that we spend the effort on algorithmic
152 optimizations than micro-optimizing.'' J.T. */
154 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
155 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
157 /* The character GNU C++ uses to build identifiers that must be unique from
158 the program's identifiers (such as $this and $$vptr). */
159 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
161 /* Check if a character is one of the commonly used C++ marker characters. */
162 extern int is_cplus_marker (int);
164 /* use tui interface if non-zero */
165 extern int tui_version
;
167 /* enable xdb commands if set */
168 extern int xdb_commands
;
170 /* enable dbx commands if set */
171 extern int dbx_commands
;
173 extern int quit_flag
;
174 extern int immediate_quit
;
175 extern int sevenbit_strings
;
177 extern void quit (void);
179 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
180 benefits of having a ``QUIT'' macro rather than a function are
181 marginal. If the overhead of a QUIT function call is proving
182 significant then its calling frequency should probably be reduced
183 [kingdon]. A profile analyzing the current situtation is
187 /* do twice to force compiler warning */
188 #define QUIT_FIXME "FIXME"
189 #define QUIT_FIXME "ignoring redefinition of QUIT"
192 if (quit_flag) quit (); \
193 if (interactive_hook) interactive_hook (); \
198 /* Languages represented in the symbol table and elsewhere.
199 This should probably be in language.h, but since enum's can't
200 be forward declared to satisfy opaque references before their
201 actual definition, needs to be here. */
205 language_unknown
, /* Language not known */
206 language_auto
, /* Placeholder for automatic setting */
208 language_cplus
, /* C++ */
209 language_java
, /* Java */
210 language_chill
, /* Chill */
211 language_fortran
, /* Fortran */
212 language_m2
, /* Modula-2 */
213 language_asm
, /* Assembly language */
214 language_scm
, /* Scheme / Guile */
215 language_pascal
/* Pascal */
222 unspecified_precision
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
) (PTR
);
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 /* Needed for various prototypes */
285 /* From blockframe.c */
287 extern int inside_entry_func (CORE_ADDR
);
289 extern int inside_entry_file (CORE_ADDR addr
);
291 extern int inside_main_func (CORE_ADDR pc
);
293 /* From ch-lang.c, for the moment. (FIXME) */
295 extern char *chill_demangle (const char *);
299 extern void initialize_utils (void);
301 extern void notice_quit (void);
303 extern int strcmp_iw (const char *, const char *);
305 extern int subset_compare (char *, char *);
307 extern char *safe_strerror (int);
309 extern void init_malloc (void *);
311 extern void request_quit (int);
313 extern void do_cleanups (struct cleanup
*);
314 extern void do_final_cleanups (struct cleanup
*);
315 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
316 extern void do_run_cleanups (struct cleanup
*);
317 extern void do_exec_cleanups (struct cleanup
*);
318 extern void do_exec_error_cleanups (struct cleanup
*);
320 extern void discard_cleanups (struct cleanup
*);
321 extern void discard_final_cleanups (struct cleanup
*);
322 extern void discard_exec_error_cleanups (struct cleanup
*);
323 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
325 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
326 make_cleanup function declarations below. Do not use this typedef
327 as a cast when passing functions into the make_cleanup() code.
328 Instead either use a bounce function or add a wrapper function.
329 Calling a f(char*) function with f(void*) is non-portable. */
330 typedef void (make_cleanup_ftype
) (void *);
332 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
334 extern struct cleanup
*make_cleanup_freeargv (char **);
337 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
339 extern struct cleanup
*make_cleanup_close (int fd
);
341 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
343 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
345 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
346 make_cleanup_ftype
*, void *);
348 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
350 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
351 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
353 extern struct cleanup
*save_cleanups (void);
354 extern struct cleanup
*save_final_cleanups (void);
355 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
357 extern void restore_cleanups (struct cleanup
*);
358 extern void restore_final_cleanups (struct cleanup
*);
359 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
361 extern void free_current_contents (void *);
363 extern void null_cleanup (void *);
365 extern int myread (int, char *, int);
367 extern int query (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
369 extern void init_page_info (void);
371 extern CORE_ADDR
host_pointer_to_address (void *ptr
);
372 extern void *address_to_host_pointer (CORE_ADDR addr
);
374 extern char *gdb_realpath (const char *);
375 extern char *xfullpath (const char *);
377 /* From demangle.c */
379 extern void set_demangling_style (char *);
384 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
385 extern use_struct_convention_fn generic_use_struct_convention
;
387 typedef unsigned char *(breakpoint_from_pc_fn
) (CORE_ADDR
* pcptr
, int *lenptr
);
389 /* Annotation stuff. */
391 extern int annotation_level
; /* in stack.c */
393 extern void begin_line (void);
395 extern void wrap_here (char *);
397 extern void reinitialize_more_filter (void);
400 extern struct ui_file
*gdb_stdout
;
401 /* Serious error notifications */
402 extern struct ui_file
*gdb_stderr
;
403 /* Log/debug/trace messages that should bypass normal stdout/stderr
404 filtering. For momement, always call this stream using
405 *_unfiltered. In the very near future that restriction shall be
406 removed - either call shall be unfiltered. (cagney 1999-06-13). */
407 extern struct ui_file
*gdb_stdlog
;
408 /* Target output that should bypass normal stdout/stderr filtering.
409 For momement, always call this stream using *_unfiltered. In the
410 very near future that restriction shall be removed - either call
411 shall be unfiltered. (cagney 1999-07-02). */
412 extern struct ui_file
*gdb_stdtarg
;
420 /* More generic printf like operations. Filtered versions may return
421 non-locally on error. */
423 extern void fputs_filtered (const char *, struct ui_file
*);
425 extern void fputs_unfiltered (const char *, struct ui_file
*);
427 extern int fputc_filtered (int c
, struct ui_file
*);
429 extern int fputc_unfiltered (int c
, struct ui_file
*);
431 extern int putchar_filtered (int c
);
433 extern int putchar_unfiltered (int c
);
435 extern void puts_filtered (const char *);
437 extern void puts_unfiltered (const char *);
439 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
441 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
443 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
445 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
447 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
449 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
451 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
453 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
455 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
457 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
459 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
461 extern void print_spaces (int, struct ui_file
*);
463 extern void print_spaces_filtered (int, struct ui_file
*);
465 extern char *n_spaces (int);
467 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
469 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
471 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
473 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
474 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
476 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
477 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
479 extern int strlen_paddr (void);
480 extern char *paddr (CORE_ADDR addr
);
481 extern char *paddr_nz (CORE_ADDR addr
);
482 extern char *paddr_u (CORE_ADDR addr
);
483 extern char *paddr_d (LONGEST addr
);
485 extern char *phex (ULONGEST l
, int sizeof_l
);
486 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
488 /* Like paddr() only print/scan raw CORE_ADDR. The output from
489 core_addr_to_string() can be passed direct to
490 string_to_core_addr(). */
491 extern const char *core_addr_to_string (const CORE_ADDR addr
);
492 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
493 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
495 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
498 extern NORETURN
void perror_with_name (const char *) ATTR_NORETURN
;
500 extern void print_sys_errmsg (const char *, int);
502 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
503 "const char *" in unistd.h, so we can't declare the argument
506 extern char *re_comp (const char *);
510 extern void symbol_file_command (char *, int);
512 /* Remote targets may wish to use this as their load function. */
513 extern void generic_load (char *name
, int from_tty
);
515 /* Summarise a download */
516 extern void print_transfer_performance (struct ui_file
*stream
,
517 unsigned long data_count
,
518 unsigned long write_count
,
519 unsigned long time_count
);
523 typedef void initialize_file_ftype (void);
525 extern char *skip_quoted (char *);
527 extern char *gdb_readline (char *);
529 extern char *command_line_input (char *, int, char *);
531 extern void print_prompt (void);
533 extern int input_from_terminal_p (void);
535 extern int info_verbose
;
537 /* From printcmd.c */
539 extern void set_next_address (CORE_ADDR
);
541 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
544 extern int build_address_symbolic (CORE_ADDR addr
,
552 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
554 extern void print_address (CORE_ADDR
, struct ui_file
*);
558 extern int openp (const char *, int, const char *, int, int, char **);
560 extern int source_full_path_of (char *, char **);
562 extern void mod_path (char *, char **);
564 extern void directory_command (char *, int);
566 extern void init_source_path (void);
568 extern char *symtab_to_filename (struct symtab
*);
572 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
573 bfd_signed_vma data_off
,
574 bfd_signed_vma bss_off
);
576 /* Take over the 'find_mapped_memory' vector from exec.c. */
577 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR
,
583 /* Possible lvalue types. Like enum language, this should be in
584 value.h, but needs to be here for the same reason. */
590 /* In memory. Could be a saved register. */
594 /* In a gdb internal variable. */
596 /* Part of a gdb internal variable (structure field). */
597 lval_internalvar_component
,
598 /* In a register series in a frame not the current one, which may have been
599 partially saved or saved in different places (otherwise would be
600 lval_register or lval_memory). */
601 lval_reg_frame_relative
606 /* From readline (but not in any readline .h files). */
608 extern char *tilde_expand (char *);
610 /* Control types for commands */
612 enum misc_command_type
620 enum command_control_type
630 /* Structure for saved commands lines
631 (for breakpoints, defined commands, etc). */
635 struct command_line
*next
;
637 enum command_control_type control_type
;
639 struct command_line
**body_list
;
642 extern struct command_line
*read_command_lines (char *, int);
644 extern void free_command_lines (struct command_line
**);
646 /* To continue the execution commands when running gdb asynchronously.
647 A continuation structure contains a pointer to a function to be called
648 to finish the command, once the target has stopped. Such mechanism is
649 used bt the finish and until commands, and in the remote protocol
650 when opening an extended-remote connection. */
652 struct continuation_arg
654 struct continuation_arg
*next
;
655 union continuation_data
{
664 void (*continuation_hook
) (struct continuation_arg
*);
665 struct continuation_arg
*arg_list
;
666 struct continuation
*next
;
670 extern struct continuation
*cmd_continuation
;
671 /* Used only by the step_1 function. */
672 extern struct continuation
*intermediate_continuation
;
675 extern void add_continuation (void (*)(struct continuation_arg
*),
676 struct continuation_arg
*);
677 extern void do_all_continuations (void);
678 extern void discard_all_continuations (void);
680 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
681 struct continuation_arg
*);
682 extern void do_all_intermediate_continuations (void);
683 extern void discard_all_intermediate_continuations (void);
685 /* String containing the current directory (what getwd would return). */
687 extern char *current_directory
;
689 /* Default radixes for input and output. Only some values supported. */
690 extern unsigned input_radix
;
691 extern unsigned output_radix
;
693 /* Possibilities for prettyprint parameters to routines which print
694 things. Like enum language, this should be in value.h, but needs
695 to be here for the same reason. FIXME: If we can eliminate this
696 as an arg to LA_VAL_PRINT, then we can probably move it back to
701 Val_no_prettyprint
= 0,
703 /* Use the default setting which the user has specified. */
707 /* The ptid struct is a collection of the various "ids" necessary
708 for identifying the inferior. This consists of the process id
709 (pid), thread id (tid), and other fields necessary for uniquely
710 identifying the inferior process/thread being debugged. When
711 manipulating ptids, the constructors, accessors, and predicate
712 declared in inferior.h should be used. These are as follows:
714 ptid_build - Make a new ptid from a pid, lwp, and tid.
715 pid_to_ptid - Make a new ptid from just a pid.
716 ptid_get_pid - Fetch the pid component of a ptid.
717 ptid_get_lwp - Fetch the lwp component of a ptid.
718 ptid_get_tid - Fetch the tid component of a ptid.
719 ptid_equal - Test to see if two ptids are equal.
721 Please do NOT access the struct ptid members directly (except, of
722 course, in the implementation of the above ptid manipulation
730 /* Lightweight process id */
737 typedef struct ptid ptid_t
;
741 /* Optional host machine definition. Pure autoconf targets will not
742 need a "xm.h" file. This will be a symlink to one of the xm-*.h
743 files, built by the `configure' script. */
749 /* Optional native machine support. Non-native (and possibly pure
750 multi-arch) targets do not need a "nm.h" file. This will be a
751 symlink to one of the nm-*.h files, built by the `configure'
758 /* Optional target machine definition. Pure multi-arch configurations
759 do not need a "tm.h" file. This will be a symlink to one of the
760 tm-*.h files, built by the `configure' script. */
766 /* GDB_MULTI_ARCH is normally set by configure.in using information
767 from configure.tgt or the config/%/%.mt Makefile fragment. Since
768 some targets have defined it in their "tm.h" file, delay providing
769 a default definition until after "tm.h" has been included.. */
771 #ifndef GDB_MULTI_ARCH
772 #define GDB_MULTI_ARCH 0
776 /* If the xm.h file did not define the mode string used to open the
777 files, assume that binary files are opened the same way as text
780 #include "fopen-same.h"
783 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
784 FIXME: Assumes 2's complement arithmetic */
786 #if !defined (UINT_MAX)
787 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
790 #if !defined (INT_MAX)
791 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
794 #if !defined (INT_MIN)
795 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
798 #if !defined (ULONG_MAX)
799 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
802 #if !defined (LONG_MAX)
803 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
806 #if !defined (ULONGEST_MAX)
807 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
810 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
811 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
814 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
815 arguments to a function, number in a value history, register number, etc.)
816 where the value must not be larger than can fit in an int. */
818 extern int longest_to_int (LONGEST
);
820 /* Assorted functions we can declare, now that const and volatile are
823 extern char *savestring (const char *, size_t);
825 extern char *msavestring (void *, const char *, size_t);
827 extern char *mstrsave (void *, const char *);
829 /* Robust versions of same. Throw an internal error when no memory,
830 guard against stray NULL arguments. */
831 extern void *xmmalloc (void *md
, size_t size
);
832 extern void *xmrealloc (void *md
, void *ptr
, size_t size
);
833 extern void *xmcalloc (void *md
, size_t number
, size_t size
);
834 extern void xmfree (void *md
, void *ptr
);
836 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
838 extern void xfree (void *);
840 /* Utility macro to allocate typed memory. Avoids errors like
841 ``struct foo *foo = xmalloc (sizeof bar)'' and ``struct foo *foo =
842 (struct foo *) xmalloc (sizeof bar)''. */
843 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
845 /* Like asprintf/vasprintf but get an internal_error if the call
847 extern void xasprintf (char **ret
, const char *format
, ...) ATTR_FORMAT (printf
, 2, 3);
848 extern void xvasprintf (char **ret
, const char *format
, va_list ap
);
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
) ATTR_NORETURN
;
866 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
868 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
870 /* Returns a freshly allocate buffer containing the last error
872 extern char *error_last_message (void);
874 extern NORETURN
void internal_verror (const char *file
, int line
,
875 const char *, va_list ap
) ATTR_NORETURN
;
877 extern NORETURN
void internal_error (const char *file
, int line
,
878 const char *, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 4);
880 extern NORETURN
void nomem (long) ATTR_NORETURN
;
882 /* Reasons for calling throw_exception(). NOTE: all reason values
883 must be less than zero. enum value 0 is reserved for internal use
884 as the return value from an initial setjmp(). The function
885 catch_exceptions() reserves values >= 0 as legal results from its
890 /* User interrupt. */
892 /* Any other error. */
896 #define ALL_CLEANUPS ((struct cleanup *)0)
898 #define RETURN_MASK(reason) (1 << (int)(-reason))
899 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
900 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
901 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
902 typedef int return_mask
;
904 /* Throw an exception of type RETURN_REASON. Will execute a LONG JUMP
905 to the inner most containing exception handler established using
906 catch_exceptions() (or the legacy catch_errors()).
908 Code normally throws an exception using error() et.al. For various
909 reaons, GDB also contains code that throws an exception directly.
910 For instance, the remote*.c targets contain CNTRL-C signal handlers
911 that propogate the QUIT event up the exception chain. ``This could
912 be a good thing or a dangerous thing.'' -- the Existential Wombat. */
914 extern NORETURN
void throw_exception (enum return_reason
) ATTR_NORETURN
;
916 /* Call FUNC(UIOUT, FUNC_ARGS) but wrapped within an exception
917 handler. If an exception (enum return_reason) is thrown using
918 throw_exception() than all cleanups installed since
919 catch_exceptions() was entered are invoked, the (-ve) exception
920 value is then returned by catch_exceptions. If FUNC() returns
921 normally (with a postive or zero return value) then that value is
922 returned by catch_exceptions(). It is an internal_error() for
923 FUNC() to return a negative value.
925 For the period of the FUNC() call: UIOUT is installed as the output
926 builder; ERRSTRING is installed as the error/quit message; and a
927 new cleanup_chain is established. The old values are restored
928 before catch_exceptions() returns.
930 FIXME; cagney/2001-08-13: The need to override the global UIOUT
931 builder variable should just go away.
933 This function superseeds catch_errors().
935 This function uses SETJMP() and LONGJUMP(). */
938 typedef int (catch_exceptions_ftype
) (struct ui_out
*ui_out
, void *args
);
939 extern int catch_exceptions (struct ui_out
*uiout
,
940 catch_exceptions_ftype
*func
, void *func_args
,
941 char *errstring
, return_mask mask
);
943 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
944 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
945 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
946 value. It's unfortunate that, catch_errors() does not return an
947 indication of the exact exception that it caught - quit_flag might
950 This function is superseeded by catch_exceptions(). */
952 typedef int (catch_errors_ftype
) (PTR
);
953 extern int catch_errors (catch_errors_ftype
*, void *, char *, return_mask
);
955 /* Template to catch_errors() that wraps calls to command
958 typedef void (catch_command_errors_ftype
) (char *, int);
959 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
961 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
963 extern void vwarning (const char *, va_list args
);
965 /* Global functions from other, non-gdb GNU thingies.
966 Libiberty thingies are no longer declared here. We include libiberty.h
969 #ifndef GETENV_PROVIDED
970 extern char *getenv (const char *);
973 /* From other system libraries */
983 #define min(a, b) ((a) < (b) ? (a) : (b))
986 #define max(a, b) ((a) > (b) ? (a) : (b))
990 /* We take the address of fclose later, but some stdio's forget
991 to declare this. We can't always declare it since there's
992 no way to declare the parameters without upsetting some compiler
995 #ifndef FCLOSE_PROVIDED
996 extern int fclose (FILE *);
1000 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1003 /* Various possibilities for alloca. */
1006 #define alloca __builtin_alloca
1007 #else /* Not GNU C */
1008 #ifdef HAVE_ALLOCA_H
1015 /* We need to be careful not to declare this in a way which conflicts with
1016 bison. Bison never declares it as char *, but under various circumstances
1017 (like __hpux) we need to use void *. */
1018 extern void *alloca ();
1019 #endif /* Not _AIX */
1020 #endif /* Not HAVE_ALLOCA_H */
1021 #endif /* Not GNU C */
1022 #endif /* alloca not defined */
1024 /* Dynamic target-system-dependent parameters for GDB. */
1025 #include "gdbarch.h"
1026 #if (GDB_MULTI_ARCH == 0)
1027 /* Multi-arch targets _should_ be including "arch-utils.h" directly
1028 into their *-tdep.c file. This is a prop to help old non-
1029 multi-arch targets to continue to compile. */
1030 #include "arch-utils.h"
1033 /* Static target-system-dependent parameters for GDB. */
1035 /* Number of bits in a char or unsigned char for the target machine.
1036 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1037 #if !defined (TARGET_CHAR_BIT)
1038 #define TARGET_CHAR_BIT 8
1041 /* If we picked up a copy of CHAR_BIT from a configuration file
1042 (which may get it by including <limits.h>) then use it to set
1043 the number of bits in a host char. If not, use the same size
1046 #if defined (CHAR_BIT)
1047 #define HOST_CHAR_BIT CHAR_BIT
1049 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1052 /* The bit byte-order has to do just with numbering of bits in
1053 debugging symbols and such. Conceptually, it's quite separate
1054 from byte/word byte order. */
1056 #if !defined (BITS_BIG_ENDIAN)
1057 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
1062 extern LONGEST
extract_signed_integer (void *, int);
1064 extern ULONGEST
extract_unsigned_integer (void *, int);
1066 extern int extract_long_unsigned_integer (void *, int, LONGEST
*);
1068 extern CORE_ADDR
extract_address (void *, int);
1070 extern CORE_ADDR
extract_typed_address (void *buf
, struct type
*type
);
1072 extern void store_signed_integer (void *, int, LONGEST
);
1074 extern void store_unsigned_integer (void *, int, ULONGEST
);
1076 extern void store_address (void *, int, LONGEST
);
1078 extern void store_typed_address (void *buf
, struct type
*type
, CORE_ADDR addr
);
1083 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1085 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1087 extern int watchdog
;
1089 /* Hooks for alternate command interfaces. */
1091 /* The name of the interpreter if specified on the command line. */
1092 extern char *interpreter_p
;
1094 /* If a given interpreter matches INTERPRETER_P then it should update
1095 command_loop_hook and init_ui_hook with the per-interpreter
1097 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1099 struct target_waitstatus
;
1100 struct cmd_list_element
;
1102 /* Should the asynchronous variant of the interpreter (using the
1103 event-loop) be enabled? */
1104 extern int event_loop_p
;
1106 extern void (*init_ui_hook
) (char *argv0
);
1107 extern void (*command_loop_hook
) (void);
1108 extern void (*show_load_progress
) (const char *section
,
1109 unsigned long section_sent
,
1110 unsigned long section_size
,
1111 unsigned long total_sent
,
1112 unsigned long total_size
);
1113 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1114 int line
, int stopline
,
1116 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1117 extern int (*query_hook
) (const char *, va_list);
1118 extern void (*warning_hook
) (const char *, va_list);
1119 extern void (*flush_hook
) (struct ui_file
* stream
);
1120 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1121 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1122 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1123 extern void (*interactive_hook
) (void);
1124 extern void (*registers_changed_hook
) (void);
1125 extern void (*readline_begin_hook
) (char *,...);
1126 extern char *(*readline_hook
) (char *);
1127 extern void (*readline_end_hook
) (void);
1128 extern void (*register_changed_hook
) (int regno
);
1129 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1130 extern void (*context_hook
) (int);
1131 extern ptid_t (*target_wait_hook
) (ptid_t ptid
,
1132 struct target_waitstatus
* status
);
1134 extern void (*attach_hook
) (void);
1135 extern void (*detach_hook
) (void);
1136 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1137 char *cmd
, int from_tty
);
1139 extern void (*set_hook
) (struct cmd_list_element
* c
);
1141 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1143 extern void (*error_begin_hook
) (void);
1145 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1148 /* Inhibit window interface if non-zero. */
1150 extern int use_windows
;
1152 /* Symbolic definitions of filename-related things. */
1153 /* FIXME, this doesn't work very well if host and executable
1154 filesystems conventions are different. */
1156 #ifndef DIRNAME_SEPARATOR
1157 #define DIRNAME_SEPARATOR ':'
1160 #ifndef SLASH_STRING
1161 #define SLASH_STRING "/"
1166 # define GLOBAL_CURDIR
1169 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1170 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1171 in the code actually refer to a lightweight process id, i.e,
1172 something that can be considered a process id in its own right for
1173 certain purposes. */
1176 #define PIDGET(PTID) (ptid_get_pid (PTID))
1177 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1178 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1181 /* Define well known filenos if the system does not define them. */
1182 #ifndef STDIN_FILENO
1183 #define STDIN_FILENO 0
1185 #ifndef STDOUT_FILENO
1186 #define STDOUT_FILENO 1
1188 #ifndef STDERR_FILENO
1189 #define STDERR_FILENO 2
1192 /* If this definition isn't overridden by the header files, assume
1193 that isatty and fileno exist on this system. */
1195 #define ISATTY(FP) (isatty (fileno (FP)))
1198 #endif /* #ifndef DEFS_H */