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. */
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 /* The character GNU C++ uses to build identifiers that must be unique from
161 the program's identifiers (such as $this and $$vptr). */
162 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
164 /* Check if a character is one of the commonly used C++ marker characters. */
165 extern int is_cplus_marker (int);
167 /* use tui interface if non-zero */
168 extern int tui_version
;
170 /* enable xdb commands if set */
171 extern int xdb_commands
;
173 /* enable dbx commands if set */
174 extern int dbx_commands
;
176 extern int quit_flag
;
177 extern int immediate_quit
;
178 extern int sevenbit_strings
;
180 extern void quit (void);
182 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
183 benefits of having a ``QUIT'' macro rather than a function are
184 marginal. If the overhead of a QUIT function call is proving
185 significant then its calling frequency should probably be reduced
186 [kingdon]. A profile analyzing the current situtation is
190 /* do twice to force compiler warning */
191 #define QUIT_FIXME "FIXME"
192 #define QUIT_FIXME "ignoring redefinition of QUIT"
195 if (quit_flag) quit (); \
196 if (interactive_hook) interactive_hook (); \
201 /* Languages represented in the symbol table and elsewhere.
202 This should probably be in language.h, but since enum's can't
203 be forward declared to satisfy opaque references before their
204 actual definition, needs to be here. */
208 language_unknown
, /* Language not known */
209 language_auto
, /* Placeholder for automatic setting */
211 language_cplus
, /* C++ */
212 language_java
, /* Java */
213 /* OBSOLETE language_chill, */ /* Chill */
214 language_fortran
, /* Fortran */
215 language_m2
, /* Modula-2 */
216 language_asm
, /* Assembly language */
217 language_scm
, /* Scheme / Guile */
218 language_pascal
/* Pascal */
225 unspecified_precision
228 /* A generic, not quite boolean, enumeration. */
236 /* the cleanup list records things that have to be undone
237 if an error happens (descriptors to be closed, memory to be freed, etc.)
238 Each link in the chain records a function to call and an
241 Use make_cleanup to add an element to the cleanup chain.
242 Use do_cleanups to do all cleanup actions back to a given
243 point in the chain. Use discard_cleanups to remove cleanups
244 from the chain back to a given point, not doing them. */
248 struct cleanup
*next
;
249 void (*function
) (PTR
);
254 /* The ability to declare that a function never returns is useful, but
255 not really required to compile GDB successfully, so the NORETURN and
256 ATTR_NORETURN macros normally expand into nothing. */
258 /* If compiling with older versions of GCC, a function may be declared
259 "volatile" to indicate that it does not return. */
262 #if defined(__GNUC__) \
263 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
264 #define NORETURN volatile
266 #define NORETURN /* nothing */
270 /* GCC 2.5 and later versions define a function attribute "noreturn",
271 which is the preferred way to declare that a function never returns.
272 However GCC 2.7 appears to be the first version in which this fully
273 works everywhere we use it. */
275 #ifndef ATTR_NORETURN
276 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
277 #define ATTR_NORETURN __attribute__ ((noreturn))
279 #define ATTR_NORETURN /* nothing */
284 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
285 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
287 #define ATTR_FORMAT(type, x, y) /* nothing */
291 /* Needed for various prototypes */
296 /* From blockframe.c */
298 extern int inside_entry_func (CORE_ADDR
);
300 extern int inside_entry_file (CORE_ADDR addr
);
302 extern int inside_main_func (CORE_ADDR pc
);
304 /* OBSOLETE From ch-lang.c, for the moment. (FIXME) */
306 /* OBSOLETE extern char *chill_demangle (const char *); */
310 extern void initialize_utils (void);
312 extern void notice_quit (void);
314 extern int strcmp_iw (const char *, const char *);
316 extern int subset_compare (char *, char *);
318 extern char *safe_strerror (int);
320 extern void init_malloc (void *);
322 extern void request_quit (int);
324 extern void do_cleanups (struct cleanup
*);
325 extern void do_final_cleanups (struct cleanup
*);
326 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
327 extern void do_run_cleanups (struct cleanup
*);
328 extern void do_exec_cleanups (struct cleanup
*);
329 extern void do_exec_error_cleanups (struct cleanup
*);
331 extern void discard_cleanups (struct cleanup
*);
332 extern void discard_final_cleanups (struct cleanup
*);
333 extern void discard_exec_error_cleanups (struct cleanup
*);
334 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
336 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
337 make_cleanup function declarations below. Do not use this typedef
338 as a cast when passing functions into the make_cleanup() code.
339 Instead either use a bounce function or add a wrapper function.
340 Calling a f(char*) function with f(void*) is non-portable. */
341 typedef void (make_cleanup_ftype
) (void *);
343 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
345 extern struct cleanup
*make_cleanup_freeargv (char **);
348 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
350 extern struct cleanup
*make_cleanup_close (int fd
);
352 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
354 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
356 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
357 make_cleanup_ftype
*, void *);
359 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
361 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
362 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
364 extern struct cleanup
*save_cleanups (void);
365 extern struct cleanup
*save_final_cleanups (void);
366 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
368 extern void restore_cleanups (struct cleanup
*);
369 extern void restore_final_cleanups (struct cleanup
*);
370 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
372 extern void free_current_contents (void *);
374 extern void null_cleanup (void *);
376 extern int myread (int, char *, int);
378 extern int query (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
380 extern void init_page_info (void);
382 extern CORE_ADDR
host_pointer_to_address (void *ptr
);
383 extern void *address_to_host_pointer (CORE_ADDR addr
);
385 extern char *gdb_realpath (const char *);
386 extern char *xfullpath (const char *);
388 /* From demangle.c */
390 extern void set_demangling_style (char *);
395 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
396 extern use_struct_convention_fn generic_use_struct_convention
;
399 /* Annotation stuff. */
401 extern int annotation_level
; /* in stack.c */
403 extern void begin_line (void);
405 extern void wrap_here (char *);
407 extern void reinitialize_more_filter (void);
410 extern struct ui_file
*gdb_stdout
;
411 /* Serious error notifications */
412 extern struct ui_file
*gdb_stderr
;
413 /* Log/debug/trace messages that should bypass normal stdout/stderr
414 filtering. For momement, always call this stream using
415 *_unfiltered. In the very near future that restriction shall be
416 removed - either call shall be unfiltered. (cagney 1999-06-13). */
417 extern struct ui_file
*gdb_stdlog
;
418 /* Target output that should bypass normal stdout/stderr filtering.
419 For momement, always call this stream using *_unfiltered. In the
420 very near future that restriction shall be removed - either call
421 shall be unfiltered. (cagney 1999-07-02). */
422 extern struct ui_file
*gdb_stdtarg
;
430 /* More generic printf like operations. Filtered versions may return
431 non-locally on error. */
433 extern void fputs_filtered (const char *, struct ui_file
*);
435 extern void fputs_unfiltered (const char *, struct ui_file
*);
437 extern int fputc_filtered (int c
, struct ui_file
*);
439 extern int fputc_unfiltered (int c
, struct ui_file
*);
441 extern int putchar_filtered (int c
);
443 extern int putchar_unfiltered (int c
);
445 extern void puts_filtered (const char *);
447 extern void puts_unfiltered (const char *);
449 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
451 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
453 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
455 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
457 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
459 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
461 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
463 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
465 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
467 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
469 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
471 extern void print_spaces (int, struct ui_file
*);
473 extern void print_spaces_filtered (int, struct ui_file
*);
475 extern char *n_spaces (int);
477 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
479 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
481 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
483 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
484 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
486 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
487 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
489 extern int strlen_paddr (void);
490 extern char *paddr (CORE_ADDR addr
);
491 extern char *paddr_nz (CORE_ADDR addr
);
492 extern char *paddr_u (CORE_ADDR addr
);
493 extern char *paddr_d (LONGEST addr
);
495 extern char *phex (ULONGEST l
, int sizeof_l
);
496 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
498 /* Like paddr() only print/scan raw CORE_ADDR. The output from
499 core_addr_to_string() can be passed direct to
500 string_to_core_addr(). */
501 extern const char *core_addr_to_string (const CORE_ADDR addr
);
502 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
503 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
505 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
508 extern NORETURN
void perror_with_name (const char *) ATTR_NORETURN
;
510 extern void print_sys_errmsg (const char *, int);
512 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
513 "const char *" in unistd.h, so we can't declare the argument
516 extern char *re_comp (const char *);
520 extern void symbol_file_command (char *, int);
522 /* Remote targets may wish to use this as their load function. */
523 extern void generic_load (char *name
, int from_tty
);
525 /* Summarise a download */
526 extern void print_transfer_performance (struct ui_file
*stream
,
527 unsigned long data_count
,
528 unsigned long write_count
,
529 unsigned long time_count
);
533 typedef void initialize_file_ftype (void);
535 extern char *skip_quoted (char *);
537 extern char *gdb_readline (char *);
539 extern char *gdb_readline_wrapper (char *);
541 extern char *command_line_input (char *, int, char *);
543 extern void print_prompt (void);
545 extern int input_from_terminal_p (void);
547 extern int info_verbose
;
549 /* From printcmd.c */
551 extern void set_next_address (CORE_ADDR
);
553 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
556 extern int build_address_symbolic (CORE_ADDR addr
,
564 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
566 extern void print_address (CORE_ADDR
, struct ui_file
*);
570 extern int openp (const char *, int, const char *, int, int, char **);
572 extern int source_full_path_of (char *, char **);
574 extern void mod_path (char *, char **);
576 extern void directory_command (char *, int);
578 extern void init_source_path (void);
580 extern char *symtab_to_filename (struct symtab
*);
584 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
585 bfd_signed_vma data_off
,
586 bfd_signed_vma bss_off
);
588 /* Take over the 'find_mapped_memory' vector from exec.c. */
589 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR
,
595 /* Possible lvalue types. Like enum language, this should be in
596 value.h, but needs to be here for the same reason. */
602 /* In memory. Could be a saved register. */
606 /* In a gdb internal variable. */
608 /* Part of a gdb internal variable (structure field). */
609 lval_internalvar_component
,
610 /* In a register series in a frame not the current one, which may have been
611 partially saved or saved in different places (otherwise would be
612 lval_register or lval_memory). */
613 lval_reg_frame_relative
618 /* From readline (but not in any readline .h files). */
620 extern char *tilde_expand (char *);
622 /* Control types for commands */
624 enum misc_command_type
632 enum command_control_type
642 /* Structure for saved commands lines
643 (for breakpoints, defined commands, etc). */
647 struct command_line
*next
;
649 enum command_control_type control_type
;
651 struct command_line
**body_list
;
654 extern struct command_line
*read_command_lines (char *, int);
656 extern void free_command_lines (struct command_line
**);
658 /* To continue the execution commands when running gdb asynchronously.
659 A continuation structure contains a pointer to a function to be called
660 to finish the command, once the target has stopped. Such mechanism is
661 used bt the finish and until commands, and in the remote protocol
662 when opening an extended-remote connection. */
664 struct continuation_arg
666 struct continuation_arg
*next
;
667 union continuation_data
{
676 void (*continuation_hook
) (struct continuation_arg
*);
677 struct continuation_arg
*arg_list
;
678 struct continuation
*next
;
682 extern struct continuation
*cmd_continuation
;
683 /* Used only by the step_1 function. */
684 extern struct continuation
*intermediate_continuation
;
687 extern void add_continuation (void (*)(struct continuation_arg
*),
688 struct continuation_arg
*);
689 extern void do_all_continuations (void);
690 extern void discard_all_continuations (void);
692 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
693 struct continuation_arg
*);
694 extern void do_all_intermediate_continuations (void);
695 extern void discard_all_intermediate_continuations (void);
697 /* String containing the current directory (what getwd would return). */
699 extern char *current_directory
;
701 /* Default radixes for input and output. Only some values supported. */
702 extern unsigned input_radix
;
703 extern unsigned output_radix
;
705 /* Possibilities for prettyprint parameters to routines which print
706 things. Like enum language, this should be in value.h, but needs
707 to be here for the same reason. FIXME: If we can eliminate this
708 as an arg to LA_VAL_PRINT, then we can probably move it back to
713 Val_no_prettyprint
= 0,
715 /* Use the default setting which the user has specified. */
719 /* The ptid struct is a collection of the various "ids" necessary
720 for identifying the inferior. This consists of the process id
721 (pid), thread id (tid), and other fields necessary for uniquely
722 identifying the inferior process/thread being debugged. When
723 manipulating ptids, the constructors, accessors, and predicate
724 declared in inferior.h should be used. These are as follows:
726 ptid_build - Make a new ptid from a pid, lwp, and tid.
727 pid_to_ptid - Make a new ptid from just a pid.
728 ptid_get_pid - Fetch the pid component of a ptid.
729 ptid_get_lwp - Fetch the lwp component of a ptid.
730 ptid_get_tid - Fetch the tid component of a ptid.
731 ptid_equal - Test to see if two ptids are equal.
733 Please do NOT access the struct ptid members directly (except, of
734 course, in the implementation of the above ptid manipulation
742 /* Lightweight process id */
749 typedef struct ptid ptid_t
;
753 /* Optional host machine definition. Pure autoconf targets will not
754 need a "xm.h" file. This will be a symlink to one of the xm-*.h
755 files, built by the `configure' script. */
761 /* Optional native machine support. Non-native (and possibly pure
762 multi-arch) targets do not need a "nm.h" file. This will be a
763 symlink to one of the nm-*.h files, built by the `configure'
770 /* Optional target machine definition. Pure multi-arch configurations
771 do not need a "tm.h" file. This will be a symlink to one of the
772 tm-*.h files, built by the `configure' script. */
778 /* GDB_MULTI_ARCH is normally set by configure.in using information
779 from configure.tgt or the config/%/%.mt Makefile fragment. Since
780 some targets have defined it in their "tm.h" file, delay providing
781 a default definition until after "tm.h" has been included.. */
783 #ifndef GDB_MULTI_ARCH
784 #define GDB_MULTI_ARCH 0
788 /* If the xm.h file did not define the mode string used to open the
789 files, assume that binary files are opened the same way as text
792 #include "fopen-same.h"
795 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
796 FIXME: Assumes 2's complement arithmetic */
798 #if !defined (UINT_MAX)
799 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
802 #if !defined (INT_MAX)
803 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
806 #if !defined (INT_MIN)
807 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
810 #if !defined (ULONG_MAX)
811 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
814 #if !defined (LONG_MAX)
815 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
818 #if !defined (ULONGEST_MAX)
819 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
822 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
823 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
826 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
827 arguments to a function, number in a value history, register number, etc.)
828 where the value must not be larger than can fit in an int. */
830 extern int longest_to_int (LONGEST
);
832 /* Assorted functions we can declare, now that const and volatile are
835 extern char *savestring (const char *, size_t);
837 extern char *msavestring (void *, const char *, size_t);
839 extern char *mstrsave (void *, const char *);
841 /* Robust versions of same. Throw an internal error when no memory,
842 guard against stray NULL arguments. */
843 extern void *xmmalloc (void *md
, size_t size
);
844 extern void *xmrealloc (void *md
, void *ptr
, size_t size
);
845 extern void *xmcalloc (void *md
, size_t number
, size_t size
);
846 extern void xmfree (void *md
, void *ptr
);
848 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
850 extern void xfree (void *);
852 /* Utility macros to allocate typed memory. Avoids errors like
853 ``struct foo *foo = xmalloc (sizeof bar)'' and ``struct foo *foo =
854 (struct foo *) xmalloc (sizeof bar)''. */
855 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
856 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
858 /* Like asprintf/vasprintf but get an internal_error if the call
860 extern void xasprintf (char **ret
, const char *format
, ...) ATTR_FORMAT (printf
, 2, 3);
861 extern void xvasprintf (char **ret
, const char *format
, va_list ap
);
863 extern int parse_escape (char **);
865 /* Message to be printed before the error message, when an error occurs. */
867 extern char *error_pre_print
;
869 /* Message to be printed before the error message, when an error occurs. */
871 extern char *quit_pre_print
;
873 /* Message to be printed before the warning message, when a warning occurs. */
875 extern char *warning_pre_print
;
877 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
879 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
881 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
883 /* Returns a freshly allocate buffer containing the last error
885 extern char *error_last_message (void);
887 extern NORETURN
void internal_verror (const char *file
, int line
,
888 const char *, va_list ap
) ATTR_NORETURN
;
890 extern NORETURN
void internal_error (const char *file
, int line
,
891 const char *, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 4);
893 extern void internal_vwarning (const char *file
, int line
,
894 const char *, va_list ap
);
896 extern void internal_warning (const char *file
, int line
,
897 const char *, ...) ATTR_FORMAT (printf
, 3, 4);
899 extern NORETURN
void nomem (long) ATTR_NORETURN
;
901 /* Reasons for calling throw_exception(). NOTE: all reason values
902 must be less than zero. enum value 0 is reserved for internal use
903 as the return value from an initial setjmp(). The function
904 catch_exceptions() reserves values >= 0 as legal results from its
909 /* User interrupt. */
911 /* Any other error. */
915 #define ALL_CLEANUPS ((struct cleanup *)0)
917 #define RETURN_MASK(reason) (1 << (int)(-reason))
918 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
919 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
920 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
921 typedef int return_mask
;
923 /* Throw an exception of type RETURN_REASON. Will execute a LONG JUMP
924 to the inner most containing exception handler established using
925 catch_exceptions() (or the legacy catch_errors()).
927 Code normally throws an exception using error() et.al. For various
928 reaons, GDB also contains code that throws an exception directly.
929 For instance, the remote*.c targets contain CNTRL-C signal handlers
930 that propogate the QUIT event up the exception chain. ``This could
931 be a good thing or a dangerous thing.'' -- the Existential Wombat. */
933 extern NORETURN
void throw_exception (enum return_reason
) ATTR_NORETURN
;
935 /* Call FUNC(UIOUT, FUNC_ARGS) but wrapped within an exception
936 handler. If an exception (enum return_reason) is thrown using
937 throw_exception() than all cleanups installed since
938 catch_exceptions() was entered are invoked, the (-ve) exception
939 value is then returned by catch_exceptions. If FUNC() returns
940 normally (with a postive or zero return value) then that value is
941 returned by catch_exceptions(). It is an internal_error() for
942 FUNC() to return a negative value.
944 For the period of the FUNC() call: UIOUT is installed as the output
945 builder; ERRSTRING is installed as the error/quit message; and a
946 new cleanup_chain is established. The old values are restored
947 before catch_exceptions() returns.
949 FIXME; cagney/2001-08-13: The need to override the global UIOUT
950 builder variable should just go away.
952 This function superseeds catch_errors().
954 This function uses SETJMP() and LONGJUMP(). */
957 typedef int (catch_exceptions_ftype
) (struct ui_out
*ui_out
, void *args
);
958 extern int catch_exceptions (struct ui_out
*uiout
,
959 catch_exceptions_ftype
*func
, void *func_args
,
960 char *errstring
, return_mask mask
);
962 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
963 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
964 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
965 value. It's unfortunate that, catch_errors() does not return an
966 indication of the exact exception that it caught - quit_flag might
969 This function is superseeded by catch_exceptions(). */
971 typedef int (catch_errors_ftype
) (PTR
);
972 extern int catch_errors (catch_errors_ftype
*, void *, char *, return_mask
);
974 /* Template to catch_errors() that wraps calls to command
977 typedef void (catch_command_errors_ftype
) (char *, int);
978 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
980 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
982 extern void vwarning (const char *, va_list args
);
984 /* Global functions from other, non-gdb GNU thingies.
985 Libiberty thingies are no longer declared here. We include libiberty.h
988 #ifndef GETENV_PROVIDED
989 extern char *getenv (const char *);
992 /* From other system libraries */
1002 #define min(a, b) ((a) < (b) ? (a) : (b))
1005 #define max(a, b) ((a) > (b) ? (a) : (b))
1009 /* We take the address of fclose later, but some stdio's forget
1010 to declare this. We can't always declare it since there's
1011 no way to declare the parameters without upsetting some compiler
1014 #ifndef FCLOSE_PROVIDED
1015 extern int fclose (FILE *);
1019 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1022 /* Various possibilities for alloca. */
1025 #define alloca __builtin_alloca
1026 #else /* Not GNU C */
1027 #ifdef HAVE_ALLOCA_H
1034 /* We need to be careful not to declare this in a way which conflicts with
1035 bison. Bison never declares it as char *, but under various circumstances
1036 (like __hpux) we need to use void *. */
1037 extern void *alloca ();
1038 #endif /* Not _AIX */
1039 #endif /* Not HAVE_ALLOCA_H */
1040 #endif /* Not GNU C */
1041 #endif /* alloca not defined */
1043 /* Dynamic target-system-dependent parameters for GDB. */
1044 #include "gdbarch.h"
1045 #if (GDB_MULTI_ARCH == 0)
1046 /* Multi-arch targets _should_ be including "arch-utils.h" directly
1047 into their *-tdep.c file. This is a prop to help old non-
1048 multi-arch targets to continue to compile. */
1049 #include "arch-utils.h"
1052 /* Static target-system-dependent parameters for GDB. */
1054 /* Number of bits in a char or unsigned char for the target machine.
1055 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1056 #if !defined (TARGET_CHAR_BIT)
1057 #define TARGET_CHAR_BIT 8
1060 /* If we picked up a copy of CHAR_BIT from a configuration file
1061 (which may get it by including <limits.h>) then use it to set
1062 the number of bits in a host char. If not, use the same size
1065 #if defined (CHAR_BIT)
1066 #define HOST_CHAR_BIT CHAR_BIT
1068 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1071 /* The bit byte-order has to do just with numbering of bits in
1072 debugging symbols and such. Conceptually, it's quite separate
1073 from byte/word byte order. */
1075 #if !defined (BITS_BIG_ENDIAN)
1076 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
1081 extern LONGEST
extract_signed_integer (const void *, int);
1083 extern ULONGEST
extract_unsigned_integer (const void *, int);
1085 extern int extract_long_unsigned_integer (void *, int, LONGEST
*);
1087 extern CORE_ADDR
extract_address (void *, int);
1089 extern CORE_ADDR
extract_typed_address (void *buf
, struct type
*type
);
1091 extern void store_signed_integer (void *, int, LONGEST
);
1093 extern void store_unsigned_integer (void *, int, ULONGEST
);
1095 extern void store_address (void *, int, LONGEST
);
1097 extern void store_typed_address (void *buf
, struct type
*type
, CORE_ADDR addr
);
1102 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1104 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1106 extern int watchdog
;
1108 /* Hooks for alternate command interfaces. */
1110 /* The name of the interpreter if specified on the command line. */
1111 extern char *interpreter_p
;
1113 /* If a given interpreter matches INTERPRETER_P then it should update
1114 command_loop_hook and init_ui_hook with the per-interpreter
1116 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1118 struct target_waitstatus
;
1119 struct cmd_list_element
;
1121 /* Should the asynchronous variant of the interpreter (using the
1122 event-loop) be enabled? */
1123 extern int event_loop_p
;
1125 extern void (*init_ui_hook
) (char *argv0
);
1126 extern void (*command_loop_hook
) (void);
1127 extern void (*show_load_progress
) (const char *section
,
1128 unsigned long section_sent
,
1129 unsigned long section_size
,
1130 unsigned long total_sent
,
1131 unsigned long total_size
);
1132 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1133 int line
, int stopline
,
1135 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1136 extern int (*query_hook
) (const char *, va_list);
1137 extern void (*warning_hook
) (const char *, va_list);
1138 extern void (*flush_hook
) (struct ui_file
* stream
);
1139 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1140 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1141 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1142 extern void (*interactive_hook
) (void);
1143 extern void (*registers_changed_hook
) (void);
1144 extern void (*readline_begin_hook
) (char *,...);
1145 extern char *(*readline_hook
) (char *);
1146 extern void (*readline_end_hook
) (void);
1147 extern void (*register_changed_hook
) (int regno
);
1148 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1149 extern void (*context_hook
) (int);
1150 extern ptid_t (*target_wait_hook
) (ptid_t ptid
,
1151 struct target_waitstatus
* status
);
1153 extern void (*attach_hook
) (void);
1154 extern void (*detach_hook
) (void);
1155 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1156 char *cmd
, int from_tty
);
1158 extern void (*set_hook
) (struct cmd_list_element
* c
);
1160 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1162 extern void (*error_begin_hook
) (void);
1164 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1167 /* Inhibit window interface if non-zero. */
1169 extern int use_windows
;
1171 /* Symbolic definitions of filename-related things. */
1172 /* FIXME, this doesn't work very well if host and executable
1173 filesystems conventions are different. */
1175 #ifndef DIRNAME_SEPARATOR
1176 #define DIRNAME_SEPARATOR ':'
1179 #ifndef SLASH_STRING
1180 #define SLASH_STRING "/"
1185 # define GLOBAL_CURDIR
1188 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1189 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1190 in the code actually refer to a lightweight process id, i.e,
1191 something that can be considered a process id in its own right for
1192 certain purposes. */
1195 #define PIDGET(PTID) (ptid_get_pid (PTID))
1196 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1197 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1200 /* Define well known filenos if the system does not define them. */
1201 #ifndef STDIN_FILENO
1202 #define STDIN_FILENO 0
1204 #ifndef STDOUT_FILENO
1205 #define STDOUT_FILENO 1
1207 #ifndef STDERR_FILENO
1208 #define STDERR_FILENO 2
1211 /* If this definition isn't overridden by the header files, assume
1212 that isatty and fileno exist on this system. */
1214 #define ISATTY(FP) (isatty (fileno (FP)))
1217 #endif /* #ifndef DEFS_H */