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 #include "gdb_locale.h"
44 /* For ``enum target_signal''. */
45 #include "gdb/signals.h"
47 /* Just in case they're not defined in stdio.h. */
56 /* First include ansidecl.h so we can use the various macro definitions
57 here and in all subsequent file inclusions. */
61 #include <stdarg.h> /* for va_list */
63 #include "libiberty.h"
67 /* For BFD64 and bfd_vma. */
71 /* The target is partially multi-arched. Both "tm.h" and the
72 multi-arch vector provide definitions. "tm.h" normally overrides
73 the multi-arch vector (but there are a few exceptions). */
75 #define GDB_MULTI_ARCH_PARTIAL 1
77 /* The target is partially multi-arched. Both the multi-arch vector
78 and "tm.h" provide definitions. "tm.h" cannot override a definition
79 provided by the multi-arch vector. It is detected as a compilation
82 This setting is only useful during a multi-arch conversion. */
84 #define GDB_MULTI_ARCH_TM 2
86 /* The target is pure multi-arch. The MULTI-ARCH vector provides all
87 definitions. "tm.h" is linked to an empty file. */
89 #define GDB_MULTI_ARCH_PURE 3
93 /* An address in the program being debugged. Host byte order. Rather
94 than duplicate all the logic in BFD which figures out what type
95 this is (long, long long, etc.) and whether it needs to be 64
96 bits (the host/target interactions are subtle), we just use
99 typedef bfd_vma CORE_ADDR
;
101 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
107 #define LONGEST BFD_HOST_64_BIT
108 #define ULONGEST BFD_HOST_U_64_BIT
112 #ifdef CC_HAS_LONG_LONG
113 #define LONGEST long long
114 #define ULONGEST unsigned long long
116 #ifdef BFD_HOST_64_BIT
117 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
118 (e.g. i386-windows) so try it. */
119 #define LONGEST BFD_HOST_64_BIT
120 #define ULONGEST BFD_HOST_U_64_BIT
123 #define ULONGEST unsigned long
127 #endif /* No BFD64 */
129 #endif /* ! LONGEST */
132 #define min(a, b) ((a) < (b) ? (a) : (b))
135 #define max(a, b) ((a) > (b) ? (a) : (b))
138 /* Macros to do string compares.
140 NOTE: cagney/2000-03-14:
142 While old code can continue to refer to these macros, new code is
143 probably better off using strcmp() directly vis: ``strcmp() == 0''
144 and ``strcmp() != 0''.
146 This is because modern compilers can directly inline strcmp()
147 making the original justification for these macros - avoid function
148 call overhead by pre-testing the first characters
149 (``*X==*Y?...:0'') - redundant.
151 ``Even if [...] testing the first character does have a modest
152 performance improvement, I'd rather that whenever a performance
153 issue is found that we spend the effort on algorithmic
154 optimizations than micro-optimizing.'' J.T. */
156 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
157 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
159 /* The character GNU C++ uses to build identifiers that must be unique from
160 the program's identifiers (such as $this and $$vptr). */
161 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
163 /* Check if a character is one of the commonly used C++ marker characters. */
164 extern int is_cplus_marker (int);
166 /* use tui interface if non-zero */
167 extern int tui_version
;
169 /* enable xdb commands if set */
170 extern int xdb_commands
;
172 /* enable dbx commands if set */
173 extern int dbx_commands
;
175 extern int quit_flag
;
176 extern int immediate_quit
;
177 extern int sevenbit_strings
;
179 extern void quit (void);
181 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
182 benefits of having a ``QUIT'' macro rather than a function are
183 marginal. If the overhead of a QUIT function call is proving
184 significant then its calling frequency should probably be reduced
185 [kingdon]. A profile analyzing the current situtation is
189 /* do twice to force compiler warning */
190 #define QUIT_FIXME "FIXME"
191 #define QUIT_FIXME "ignoring redefinition of QUIT"
194 if (quit_flag) quit (); \
195 if (interactive_hook) interactive_hook (); \
200 /* Languages represented in the symbol table and elsewhere.
201 This should probably be in language.h, but since enum's can't
202 be forward declared to satisfy opaque references before their
203 actual definition, needs to be here. */
207 language_unknown
, /* Language not known */
208 language_auto
, /* Placeholder for automatic setting */
210 language_cplus
, /* C++ */
211 language_java
, /* Java */
212 language_chill
, /* Chill */
213 language_fortran
, /* Fortran */
214 language_m2
, /* Modula-2 */
215 language_asm
, /* Assembly language */
216 language_scm
, /* Scheme / Guile */
217 language_pascal
/* Pascal */
224 unspecified_precision
227 /* A generic, not quite boolean, enumeration. */
235 /* the cleanup list records things that have to be undone
236 if an error happens (descriptors to be closed, memory to be freed, etc.)
237 Each link in the chain records a function to call and an
240 Use make_cleanup to add an element to the cleanup chain.
241 Use do_cleanups to do all cleanup actions back to a given
242 point in the chain. Use discard_cleanups to remove cleanups
243 from the chain back to a given point, not doing them. */
247 struct cleanup
*next
;
248 void (*function
) (PTR
);
253 /* The ability to declare that a function never returns is useful, but
254 not really required to compile GDB successfully, so the NORETURN and
255 ATTR_NORETURN macros normally expand into nothing. */
257 /* If compiling with older versions of GCC, a function may be declared
258 "volatile" to indicate that it does not return. */
261 #if defined(__GNUC__) \
262 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
263 #define NORETURN volatile
265 #define NORETURN /* nothing */
269 /* GCC 2.5 and later versions define a function attribute "noreturn",
270 which is the preferred way to declare that a function never returns.
271 However GCC 2.7 appears to be the first version in which this fully
272 works everywhere we use it. */
274 #ifndef ATTR_NORETURN
275 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
276 #define ATTR_NORETURN __attribute__ ((noreturn))
278 #define ATTR_NORETURN /* nothing */
283 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
284 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
286 #define ATTR_FORMAT(type, x, y) /* nothing */
290 /* Needed for various prototypes */
295 /* From blockframe.c */
297 extern int inside_entry_func (CORE_ADDR
);
299 extern int inside_entry_file (CORE_ADDR addr
);
301 extern int inside_main_func (CORE_ADDR pc
);
303 /* From ch-lang.c, for the moment. (FIXME) */
305 extern char *chill_demangle (const char *);
309 extern void initialize_utils (void);
311 extern void notice_quit (void);
313 extern int strcmp_iw (const char *, const char *);
315 extern int subset_compare (char *, char *);
317 extern char *safe_strerror (int);
319 extern void init_malloc (void *);
321 extern void request_quit (int);
323 extern void do_cleanups (struct cleanup
*);
324 extern void do_final_cleanups (struct cleanup
*);
325 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
326 extern void do_run_cleanups (struct cleanup
*);
327 extern void do_exec_cleanups (struct cleanup
*);
328 extern void do_exec_error_cleanups (struct cleanup
*);
330 extern void discard_cleanups (struct cleanup
*);
331 extern void discard_final_cleanups (struct cleanup
*);
332 extern void discard_exec_error_cleanups (struct cleanup
*);
333 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
335 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
336 make_cleanup function declarations below. Do not use this typedef
337 as a cast when passing functions into the make_cleanup() code.
338 Instead either use a bounce function or add a wrapper function.
339 Calling a f(char*) function with f(void*) is non-portable. */
340 typedef void (make_cleanup_ftype
) (void *);
342 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
344 extern struct cleanup
*make_cleanup_freeargv (char **);
347 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
349 extern struct cleanup
*make_cleanup_close (int fd
);
351 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
353 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
355 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
356 make_cleanup_ftype
*, void *);
358 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
360 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
361 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
363 extern struct cleanup
*save_cleanups (void);
364 extern struct cleanup
*save_final_cleanups (void);
365 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
367 extern void restore_cleanups (struct cleanup
*);
368 extern void restore_final_cleanups (struct cleanup
*);
369 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
371 extern void free_current_contents (void *);
373 extern void null_cleanup (void *);
375 extern int myread (int, char *, int);
377 extern int query (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
379 extern void init_page_info (void);
381 extern CORE_ADDR
host_pointer_to_address (void *ptr
);
382 extern void *address_to_host_pointer (CORE_ADDR addr
);
384 extern char *gdb_realpath (const char *);
385 extern char *xfullpath (const char *);
387 /* From demangle.c */
389 extern void set_demangling_style (char *);
394 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
395 extern use_struct_convention_fn generic_use_struct_convention
;
398 /* Annotation stuff. */
400 extern int annotation_level
; /* in stack.c */
402 extern void begin_line (void);
404 extern void wrap_here (char *);
406 extern void reinitialize_more_filter (void);
409 extern struct ui_file
*gdb_stdout
;
410 /* Serious error notifications */
411 extern struct ui_file
*gdb_stderr
;
412 /* Log/debug/trace messages that should bypass normal stdout/stderr
413 filtering. For momement, always call this stream using
414 *_unfiltered. In the very near future that restriction shall be
415 removed - either call shall be unfiltered. (cagney 1999-06-13). */
416 extern struct ui_file
*gdb_stdlog
;
417 /* Target output that should bypass normal stdout/stderr filtering.
418 For momement, always call this stream using *_unfiltered. In the
419 very near future that restriction shall be removed - either call
420 shall be unfiltered. (cagney 1999-07-02). */
421 extern struct ui_file
*gdb_stdtarg
;
429 /* More generic printf like operations. Filtered versions may return
430 non-locally on error. */
432 extern void fputs_filtered (const char *, struct ui_file
*);
434 extern void fputs_unfiltered (const char *, struct ui_file
*);
436 extern int fputc_filtered (int c
, struct ui_file
*);
438 extern int fputc_unfiltered (int c
, struct ui_file
*);
440 extern int putchar_filtered (int c
);
442 extern int putchar_unfiltered (int c
);
444 extern void puts_filtered (const char *);
446 extern void puts_unfiltered (const char *);
448 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
450 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
452 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
454 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
456 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
458 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
460 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
462 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
464 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
466 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
468 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
470 extern void print_spaces (int, struct ui_file
*);
472 extern void print_spaces_filtered (int, struct ui_file
*);
474 extern char *n_spaces (int);
476 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
478 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
480 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
482 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
483 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
485 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
486 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
488 extern int strlen_paddr (void);
489 extern char *paddr (CORE_ADDR addr
);
490 extern char *paddr_nz (CORE_ADDR addr
);
491 extern char *paddr_u (CORE_ADDR addr
);
492 extern char *paddr_d (LONGEST addr
);
494 extern char *phex (ULONGEST l
, int sizeof_l
);
495 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
497 /* Like paddr() only print/scan raw CORE_ADDR. The output from
498 core_addr_to_string() can be passed direct to
499 string_to_core_addr(). */
500 extern const char *core_addr_to_string (const CORE_ADDR addr
);
501 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
502 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
504 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
507 extern NORETURN
void perror_with_name (const char *) ATTR_NORETURN
;
509 extern void print_sys_errmsg (const char *, int);
511 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
512 "const char *" in unistd.h, so we can't declare the argument
515 extern char *re_comp (const char *);
519 extern void symbol_file_command (char *, int);
521 /* Remote targets may wish to use this as their load function. */
522 extern void generic_load (char *name
, int from_tty
);
524 /* Summarise a download */
525 extern void print_transfer_performance (struct ui_file
*stream
,
526 unsigned long data_count
,
527 unsigned long write_count
,
528 unsigned long time_count
);
532 typedef void initialize_file_ftype (void);
534 extern char *skip_quoted (char *);
536 extern char *gdb_readline (char *);
538 extern char *command_line_input (char *, int, char *);
540 extern void print_prompt (void);
542 extern int input_from_terminal_p (void);
544 extern int info_verbose
;
546 /* From printcmd.c */
548 extern void set_next_address (CORE_ADDR
);
550 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
553 extern int build_address_symbolic (CORE_ADDR addr
,
561 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
563 extern void print_address (CORE_ADDR
, struct ui_file
*);
567 extern int openp (const char *, int, const char *, int, int, char **);
569 extern int source_full_path_of (char *, char **);
571 extern void mod_path (char *, char **);
573 extern void directory_command (char *, int);
575 extern void init_source_path (void);
577 extern char *symtab_to_filename (struct symtab
*);
581 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
582 bfd_signed_vma data_off
,
583 bfd_signed_vma bss_off
);
585 /* Take over the 'find_mapped_memory' vector from exec.c. */
586 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR
,
592 /* Possible lvalue types. Like enum language, this should be in
593 value.h, but needs to be here for the same reason. */
599 /* In memory. Could be a saved register. */
603 /* In a gdb internal variable. */
605 /* Part of a gdb internal variable (structure field). */
606 lval_internalvar_component
,
607 /* In a register series in a frame not the current one, which may have been
608 partially saved or saved in different places (otherwise would be
609 lval_register or lval_memory). */
610 lval_reg_frame_relative
615 /* From readline (but not in any readline .h files). */
617 extern char *tilde_expand (char *);
619 /* Control types for commands */
621 enum misc_command_type
629 enum command_control_type
639 /* Structure for saved commands lines
640 (for breakpoints, defined commands, etc). */
644 struct command_line
*next
;
646 enum command_control_type control_type
;
648 struct command_line
**body_list
;
651 extern struct command_line
*read_command_lines (char *, int);
653 extern void free_command_lines (struct command_line
**);
655 /* To continue the execution commands when running gdb asynchronously.
656 A continuation structure contains a pointer to a function to be called
657 to finish the command, once the target has stopped. Such mechanism is
658 used bt the finish and until commands, and in the remote protocol
659 when opening an extended-remote connection. */
661 struct continuation_arg
663 struct continuation_arg
*next
;
664 union continuation_data
{
673 void (*continuation_hook
) (struct continuation_arg
*);
674 struct continuation_arg
*arg_list
;
675 struct continuation
*next
;
679 extern struct continuation
*cmd_continuation
;
680 /* Used only by the step_1 function. */
681 extern struct continuation
*intermediate_continuation
;
684 extern void add_continuation (void (*)(struct continuation_arg
*),
685 struct continuation_arg
*);
686 extern void do_all_continuations (void);
687 extern void discard_all_continuations (void);
689 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
690 struct continuation_arg
*);
691 extern void do_all_intermediate_continuations (void);
692 extern void discard_all_intermediate_continuations (void);
694 /* String containing the current directory (what getwd would return). */
696 extern char *current_directory
;
698 /* Default radixes for input and output. Only some values supported. */
699 extern unsigned input_radix
;
700 extern unsigned output_radix
;
702 /* Possibilities for prettyprint parameters to routines which print
703 things. Like enum language, this should be in value.h, but needs
704 to be here for the same reason. FIXME: If we can eliminate this
705 as an arg to LA_VAL_PRINT, then we can probably move it back to
710 Val_no_prettyprint
= 0,
712 /* Use the default setting which the user has specified. */
716 /* The ptid struct is a collection of the various "ids" necessary
717 for identifying the inferior. This consists of the process id
718 (pid), thread id (tid), and other fields necessary for uniquely
719 identifying the inferior process/thread being debugged. When
720 manipulating ptids, the constructors, accessors, and predicate
721 declared in inferior.h should be used. These are as follows:
723 ptid_build - Make a new ptid from a pid, lwp, and tid.
724 pid_to_ptid - Make a new ptid from just a pid.
725 ptid_get_pid - Fetch the pid component of a ptid.
726 ptid_get_lwp - Fetch the lwp component of a ptid.
727 ptid_get_tid - Fetch the tid component of a ptid.
728 ptid_equal - Test to see if two ptids are equal.
730 Please do NOT access the struct ptid members directly (except, of
731 course, in the implementation of the above ptid manipulation
739 /* Lightweight process id */
746 typedef struct ptid ptid_t
;
750 /* Optional host machine definition. Pure autoconf targets will not
751 need a "xm.h" file. This will be a symlink to one of the xm-*.h
752 files, built by the `configure' script. */
758 /* Optional native machine support. Non-native (and possibly pure
759 multi-arch) targets do not need a "nm.h" file. This will be a
760 symlink to one of the nm-*.h files, built by the `configure'
767 /* Optional target machine definition. Pure multi-arch configurations
768 do not need a "tm.h" file. This will be a symlink to one of the
769 tm-*.h files, built by the `configure' script. */
775 /* GDB_MULTI_ARCH is normally set by configure.in using information
776 from configure.tgt or the config/%/%.mt Makefile fragment. Since
777 some targets have defined it in their "tm.h" file, delay providing
778 a default definition until after "tm.h" has been included.. */
780 #ifndef GDB_MULTI_ARCH
781 #define GDB_MULTI_ARCH 0
785 /* If the xm.h file did not define the mode string used to open the
786 files, assume that binary files are opened the same way as text
789 #include "fopen-same.h"
792 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
793 FIXME: Assumes 2's complement arithmetic */
795 #if !defined (UINT_MAX)
796 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
799 #if !defined (INT_MAX)
800 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
803 #if !defined (INT_MIN)
804 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
807 #if !defined (ULONG_MAX)
808 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
811 #if !defined (LONG_MAX)
812 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
815 #if !defined (ULONGEST_MAX)
816 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
819 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
820 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
823 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
824 arguments to a function, number in a value history, register number, etc.)
825 where the value must not be larger than can fit in an int. */
827 extern int longest_to_int (LONGEST
);
829 /* Assorted functions we can declare, now that const and volatile are
832 extern char *savestring (const char *, size_t);
834 extern char *msavestring (void *, const char *, size_t);
836 extern char *mstrsave (void *, const char *);
838 /* Robust versions of same. Throw an internal error when no memory,
839 guard against stray NULL arguments. */
840 extern void *xmmalloc (void *md
, size_t size
);
841 extern void *xmrealloc (void *md
, void *ptr
, size_t size
);
842 extern void *xmcalloc (void *md
, size_t number
, size_t size
);
843 extern void xmfree (void *md
, void *ptr
);
845 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
847 extern void xfree (void *);
849 /* Utility macros to allocate typed memory. Avoids errors like
850 ``struct foo *foo = xmalloc (sizeof bar)'' and ``struct foo *foo =
851 (struct foo *) xmalloc (sizeof bar)''. */
852 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
853 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
855 /* Like asprintf/vasprintf but get an internal_error if the call
857 extern void xasprintf (char **ret
, const char *format
, ...) ATTR_FORMAT (printf
, 2, 3);
858 extern void xvasprintf (char **ret
, const char *format
, va_list ap
);
860 extern int parse_escape (char **);
862 /* Message to be printed before the error message, when an error occurs. */
864 extern char *error_pre_print
;
866 /* Message to be printed before the error message, when an error occurs. */
868 extern char *quit_pre_print
;
870 /* Message to be printed before the warning message, when a warning occurs. */
872 extern char *warning_pre_print
;
874 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
876 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
878 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
880 /* Returns a freshly allocate buffer containing the last error
882 extern char *error_last_message (void);
884 extern NORETURN
void internal_verror (const char *file
, int line
,
885 const char *, va_list ap
) ATTR_NORETURN
;
887 extern NORETURN
void internal_error (const char *file
, int line
,
888 const char *, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 4);
890 extern NORETURN
void nomem (long) ATTR_NORETURN
;
892 /* Reasons for calling throw_exception(). NOTE: all reason values
893 must be less than zero. enum value 0 is reserved for internal use
894 as the return value from an initial setjmp(). The function
895 catch_exceptions() reserves values >= 0 as legal results from its
900 /* User interrupt. */
902 /* Any other error. */
906 #define ALL_CLEANUPS ((struct cleanup *)0)
908 #define RETURN_MASK(reason) (1 << (int)(-reason))
909 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
910 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
911 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
912 typedef int return_mask
;
914 /* Throw an exception of type RETURN_REASON. Will execute a LONG JUMP
915 to the inner most containing exception handler established using
916 catch_exceptions() (or the legacy catch_errors()).
918 Code normally throws an exception using error() et.al. For various
919 reaons, GDB also contains code that throws an exception directly.
920 For instance, the remote*.c targets contain CNTRL-C signal handlers
921 that propogate the QUIT event up the exception chain. ``This could
922 be a good thing or a dangerous thing.'' -- the Existential Wombat. */
924 extern NORETURN
void throw_exception (enum return_reason
) ATTR_NORETURN
;
926 /* Call FUNC(UIOUT, FUNC_ARGS) but wrapped within an exception
927 handler. If an exception (enum return_reason) is thrown using
928 throw_exception() than all cleanups installed since
929 catch_exceptions() was entered are invoked, the (-ve) exception
930 value is then returned by catch_exceptions. If FUNC() returns
931 normally (with a postive or zero return value) then that value is
932 returned by catch_exceptions(). It is an internal_error() for
933 FUNC() to return a negative value.
935 For the period of the FUNC() call: UIOUT is installed as the output
936 builder; ERRSTRING is installed as the error/quit message; and a
937 new cleanup_chain is established. The old values are restored
938 before catch_exceptions() returns.
940 FIXME; cagney/2001-08-13: The need to override the global UIOUT
941 builder variable should just go away.
943 This function superseeds catch_errors().
945 This function uses SETJMP() and LONGJUMP(). */
948 typedef int (catch_exceptions_ftype
) (struct ui_out
*ui_out
, void *args
);
949 extern int catch_exceptions (struct ui_out
*uiout
,
950 catch_exceptions_ftype
*func
, void *func_args
,
951 char *errstring
, return_mask mask
);
953 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
954 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
955 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
956 value. It's unfortunate that, catch_errors() does not return an
957 indication of the exact exception that it caught - quit_flag might
960 This function is superseeded by catch_exceptions(). */
962 typedef int (catch_errors_ftype
) (PTR
);
963 extern int catch_errors (catch_errors_ftype
*, void *, char *, return_mask
);
965 /* Template to catch_errors() that wraps calls to command
968 typedef void (catch_command_errors_ftype
) (char *, int);
969 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
971 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
973 extern void vwarning (const char *, va_list args
);
975 /* Global functions from other, non-gdb GNU thingies.
976 Libiberty thingies are no longer declared here. We include libiberty.h
979 #ifndef GETENV_PROVIDED
980 extern char *getenv (const char *);
983 /* From other system libraries */
993 #define min(a, b) ((a) < (b) ? (a) : (b))
996 #define max(a, b) ((a) > (b) ? (a) : (b))
1000 /* We take the address of fclose later, but some stdio's forget
1001 to declare this. We can't always declare it since there's
1002 no way to declare the parameters without upsetting some compiler
1005 #ifndef FCLOSE_PROVIDED
1006 extern int fclose (FILE *);
1010 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1013 /* Various possibilities for alloca. */
1016 #define alloca __builtin_alloca
1017 #else /* Not GNU C */
1018 #ifdef HAVE_ALLOCA_H
1025 /* We need to be careful not to declare this in a way which conflicts with
1026 bison. Bison never declares it as char *, but under various circumstances
1027 (like __hpux) we need to use void *. */
1028 extern void *alloca ();
1029 #endif /* Not _AIX */
1030 #endif /* Not HAVE_ALLOCA_H */
1031 #endif /* Not GNU C */
1032 #endif /* alloca not defined */
1034 /* Dynamic target-system-dependent parameters for GDB. */
1035 #include "gdbarch.h"
1036 #if (GDB_MULTI_ARCH == 0)
1037 /* Multi-arch targets _should_ be including "arch-utils.h" directly
1038 into their *-tdep.c file. This is a prop to help old non-
1039 multi-arch targets to continue to compile. */
1040 #include "arch-utils.h"
1043 /* Static target-system-dependent parameters for GDB. */
1045 /* Number of bits in a char or unsigned char for the target machine.
1046 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1047 #if !defined (TARGET_CHAR_BIT)
1048 #define TARGET_CHAR_BIT 8
1051 /* If we picked up a copy of CHAR_BIT from a configuration file
1052 (which may get it by including <limits.h>) then use it to set
1053 the number of bits in a host char. If not, use the same size
1056 #if defined (CHAR_BIT)
1057 #define HOST_CHAR_BIT CHAR_BIT
1059 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1062 /* The bit byte-order has to do just with numbering of bits in
1063 debugging symbols and such. Conceptually, it's quite separate
1064 from byte/word byte order. */
1066 #if !defined (BITS_BIG_ENDIAN)
1067 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
1072 extern LONGEST
extract_signed_integer (void *, int);
1074 extern ULONGEST
extract_unsigned_integer (void *, int);
1076 extern int extract_long_unsigned_integer (void *, int, LONGEST
*);
1078 extern CORE_ADDR
extract_address (void *, int);
1080 extern CORE_ADDR
extract_typed_address (void *buf
, struct type
*type
);
1082 extern void store_signed_integer (void *, int, LONGEST
);
1084 extern void store_unsigned_integer (void *, int, ULONGEST
);
1086 extern void store_address (void *, int, LONGEST
);
1088 extern void store_typed_address (void *buf
, struct type
*type
, CORE_ADDR addr
);
1093 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1095 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1097 extern int watchdog
;
1099 /* Hooks for alternate command interfaces. */
1101 /* The name of the interpreter if specified on the command line. */
1102 extern char *interpreter_p
;
1104 /* If a given interpreter matches INTERPRETER_P then it should update
1105 command_loop_hook and init_ui_hook with the per-interpreter
1107 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1109 struct target_waitstatus
;
1110 struct cmd_list_element
;
1112 /* Should the asynchronous variant of the interpreter (using the
1113 event-loop) be enabled? */
1114 extern int event_loop_p
;
1116 extern void (*init_ui_hook
) (char *argv0
);
1117 extern void (*command_loop_hook
) (void);
1118 extern void (*show_load_progress
) (const char *section
,
1119 unsigned long section_sent
,
1120 unsigned long section_size
,
1121 unsigned long total_sent
,
1122 unsigned long total_size
);
1123 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1124 int line
, int stopline
,
1126 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1127 extern int (*query_hook
) (const char *, va_list);
1128 extern void (*warning_hook
) (const char *, va_list);
1129 extern void (*flush_hook
) (struct ui_file
* stream
);
1130 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1131 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1132 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1133 extern void (*interactive_hook
) (void);
1134 extern void (*registers_changed_hook
) (void);
1135 extern void (*readline_begin_hook
) (char *,...);
1136 extern char *(*readline_hook
) (char *);
1137 extern void (*readline_end_hook
) (void);
1138 extern void (*register_changed_hook
) (int regno
);
1139 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1140 extern void (*context_hook
) (int);
1141 extern ptid_t (*target_wait_hook
) (ptid_t ptid
,
1142 struct target_waitstatus
* status
);
1144 extern void (*attach_hook
) (void);
1145 extern void (*detach_hook
) (void);
1146 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1147 char *cmd
, int from_tty
);
1149 extern void (*set_hook
) (struct cmd_list_element
* c
);
1151 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1153 extern void (*error_begin_hook
) (void);
1155 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1158 /* Inhibit window interface if non-zero. */
1160 extern int use_windows
;
1162 /* Symbolic definitions of filename-related things. */
1163 /* FIXME, this doesn't work very well if host and executable
1164 filesystems conventions are different. */
1166 #ifndef DIRNAME_SEPARATOR
1167 #define DIRNAME_SEPARATOR ':'
1170 #ifndef SLASH_STRING
1171 #define SLASH_STRING "/"
1176 # define GLOBAL_CURDIR
1179 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1180 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1181 in the code actually refer to a lightweight process id, i.e,
1182 something that can be considered a process id in its own right for
1183 certain purposes. */
1186 #define PIDGET(PTID) (ptid_get_pid (PTID))
1187 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1188 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1191 /* Define well known filenos if the system does not define them. */
1192 #ifndef STDIN_FILENO
1193 #define STDIN_FILENO 0
1195 #ifndef STDOUT_FILENO
1196 #define STDOUT_FILENO 1
1198 #ifndef STDERR_FILENO
1199 #define STDERR_FILENO 2
1202 /* If this definition isn't overridden by the header files, assume
1203 that isatty and fileno exist on this system. */
1205 #define ISATTY(FP) (isatty (fileno (FP)))
1208 #endif /* #ifndef DEFS_H */