1 /* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
2 /* Basic, host-specific, and target-specific definitions for GDB.
3 Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
4 1997, 1998, 1999, 2000, 2001, 2002, 2003
5 Free Software Foundation, Inc.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
27 #include "config.h" /* Generated by configure. */
30 #include <errno.h> /* System call error return status. */
36 #include <sys/types.h> /* For size_t. */
43 /* First include ansidecl.h so we can use the various macro definitions
44 here and in all subsequent file inclusions. */
48 #include "gdb_locale.h"
50 /* For ``enum target_signal''. */
51 #include "gdb/signals.h"
53 /* Just in case they're not defined in stdio.h. */
62 #include <stdarg.h> /* For va_list. */
64 #include "libiberty.h"
68 /* For BFD64 and bfd_vma. */
72 /* The target is partially multi-arched. Both "tm.h" and the
73 multi-arch vector provide definitions. "tm.h" normally overrides
74 the multi-arch vector (but there are a few exceptions). */
76 #define GDB_MULTI_ARCH_PARTIAL 1
78 /* The target is partially multi-arched. Both the multi-arch vector
79 and "tm.h" provide definitions. "tm.h" cannot override a definition
80 provided by the multi-arch vector. It is detected as a compilation
83 This setting is only useful during a multi-arch conversion. */
85 #define GDB_MULTI_ARCH_TM 2
87 /* The target is pure multi-arch. The MULTI-ARCH vector provides all
88 definitions. "tm.h" is linked to an empty file. */
90 #define GDB_MULTI_ARCH_PURE 3
94 /* An address in the program being debugged. Host byte order. Rather
95 than duplicate all the logic in BFD which figures out what type
96 this is (long, long long, etc.) and whether it needs to be 64
97 bits (the host/target interactions are subtle), we just use
100 typedef bfd_vma CORE_ADDR
;
102 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
108 #define LONGEST BFD_HOST_64_BIT
109 #define ULONGEST BFD_HOST_U_64_BIT
113 #ifdef CC_HAS_LONG_LONG
114 #define LONGEST long long
115 #define ULONGEST unsigned long long
117 #ifdef BFD_HOST_64_BIT
118 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
119 (e.g. i386-windows) so try it. */
120 #define LONGEST BFD_HOST_64_BIT
121 #define ULONGEST BFD_HOST_U_64_BIT
124 #define ULONGEST unsigned long
128 #endif /* No BFD64 */
130 #endif /* ! LONGEST */
133 #define min(a, b) ((a) < (b) ? (a) : (b))
136 #define max(a, b) ((a) > (b) ? (a) : (b))
139 /* Macros to do string compares.
141 NOTE: cagney/2000-03-14:
143 While old code can continue to refer to these macros, new code is
144 probably better off using strcmp() directly vis: ``strcmp() == 0''
145 and ``strcmp() != 0''.
147 This is because modern compilers can directly inline strcmp()
148 making the original justification for these macros - avoid function
149 call overhead by pre-testing the first characters
150 (``*X==*Y?...:0'') - redundant.
152 ``Even if [...] testing the first character does have a modest
153 performance improvement, I'd rather that whenever a performance
154 issue is found that we spend the effort on algorithmic
155 optimizations than micro-optimizing.'' J.T. */
157 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
158 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
160 /* Check if a character is one of the commonly used C++ marker characters. */
161 extern int is_cplus_marker (int);
163 /* enable xdb commands if set */
164 extern int xdb_commands
;
166 /* enable dbx commands if set */
167 extern int dbx_commands
;
169 /* System root path, used to find libraries etc. */
170 extern char *gdb_sysroot
;
172 extern int quit_flag
;
173 extern int immediate_quit
;
174 extern int sevenbit_strings
;
176 extern void quit (void);
178 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
179 benefits of having a ``QUIT'' macro rather than a function are
180 marginal. If the overhead of a QUIT function call is proving
181 significant then its calling frequency should probably be reduced
182 [kingdon]. A profile analyzing the current situtation is
186 /* do twice to force compiler warning */
187 #define QUIT_FIXME "FIXME"
188 #define QUIT_FIXME "ignoring redefinition of QUIT"
191 if (quit_flag) quit (); \
192 if (interactive_hook) interactive_hook (); \
197 /* Languages represented in the symbol table and elsewhere.
198 This should probably be in language.h, but since enum's can't
199 be forward declared to satisfy opaque references before their
200 actual definition, needs to be here. */
204 language_unknown
, /* Language not known */
205 language_auto
, /* Placeholder for automatic setting */
207 language_cplus
, /* C++ */
208 language_objc
, /* Objective-C */
209 language_java
, /* Java */
210 language_fortran
, /* Fortran */
211 language_m2
, /* Modula-2 */
212 language_asm
, /* Assembly language */
213 language_scm
, /* Scheme / Guile */
214 language_pascal
, /* Pascal */
215 language_minimal
/* All other languages, minimal support only */
222 unspecified_precision
225 /* A generic, not quite boolean, enumeration. */
233 /* the cleanup list records things that have to be undone
234 if an error happens (descriptors to be closed, memory to be freed, etc.)
235 Each link in the chain records a function to call and an
238 Use make_cleanup to add an element to the cleanup chain.
239 Use do_cleanups to do all cleanup actions back to a given
240 point in the chain. Use discard_cleanups to remove cleanups
241 from the chain back to a given point, not doing them. */
245 struct cleanup
*next
;
246 void (*function
) (void *);
251 /* The ability to declare that a function never returns is useful, but
252 not really required to compile GDB successfully, so the NORETURN and
253 ATTR_NORETURN macros normally expand into nothing. */
255 /* If compiling with older versions of GCC, a function may be declared
256 "volatile" to indicate that it does not return. */
259 #if defined(__GNUC__) \
260 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
261 #define NORETURN volatile
263 #define NORETURN /* nothing */
267 /* GCC 2.5 and later versions define a function attribute "noreturn",
268 which is the preferred way to declare that a function never returns.
269 However GCC 2.7 appears to be the first version in which this fully
270 works everywhere we use it. */
272 #ifndef ATTR_NORETURN
273 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
274 #define ATTR_NORETURN __attribute__ ((noreturn))
276 #define ATTR_NORETURN /* nothing */
281 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
282 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
284 #define ATTR_FORMAT(type, x, y) /* nothing */
288 /* Be conservative and use enum bitfields only with GCC.
289 This is copied from gcc 3.3.1, system.h. */
291 #if defined(__GNUC__) && (__GNUC__ >= 2)
292 #define ENUM_BITFIELD(TYPE) enum TYPE
294 #define ENUM_BITFIELD(TYPE) unsigned int
297 /* Needed for various prototypes */
302 /* From blockframe.c */
304 extern int inside_entry_func (CORE_ADDR
);
306 extern int inside_entry_file (CORE_ADDR addr
);
308 extern int inside_main_func (CORE_ADDR pc
);
312 extern void initialize_utils (void);
314 extern void notice_quit (void);
316 extern int strcmp_iw (const char *, const char *);
318 extern int strcmp_iw_ordered (const char *, const char *);
320 extern int streq (const char *, const char *);
322 extern int subset_compare (char *, char *);
324 extern char *safe_strerror (int);
326 extern void init_malloc (void *);
328 extern void request_quit (int);
330 extern void do_cleanups (struct cleanup
*);
331 extern void do_final_cleanups (struct cleanup
*);
332 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
333 extern void do_run_cleanups (struct cleanup
*);
334 extern void do_exec_cleanups (struct cleanup
*);
335 extern void do_exec_error_cleanups (struct cleanup
*);
337 extern void discard_cleanups (struct cleanup
*);
338 extern void discard_final_cleanups (struct cleanup
*);
339 extern void discard_exec_error_cleanups (struct cleanup
*);
340 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
342 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
343 make_cleanup function declarations below. Do not use this typedef
344 as a cast when passing functions into the make_cleanup() code.
345 Instead either use a bounce function or add a wrapper function.
346 Calling a f(char*) function with f(void*) is non-portable. */
347 typedef void (make_cleanup_ftype
) (void *);
349 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
351 extern struct cleanup
*make_cleanup_freeargv (char **);
354 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
356 extern struct cleanup
*make_cleanup_close (int fd
);
358 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
360 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
362 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
363 make_cleanup_ftype
*, void *);
365 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
367 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
368 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
370 extern struct cleanup
*save_cleanups (void);
371 extern struct cleanup
*save_final_cleanups (void);
372 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
374 extern void restore_cleanups (struct cleanup
*);
375 extern void restore_final_cleanups (struct cleanup
*);
376 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
378 extern void free_current_contents (void *);
380 extern void null_cleanup (void *);
382 extern int myread (int, char *, int);
384 extern int query (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
386 extern void init_page_info (void);
388 extern char *gdb_realpath (const char *);
389 extern char *xfullpath (const char *);
391 extern unsigned long gnu_debuglink_crc32 (unsigned long crc
,
392 unsigned char *buf
, size_t len
);
394 /* From demangle.c */
396 extern void set_demangling_style (char *);
401 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
402 extern use_struct_convention_fn generic_use_struct_convention
;
405 /* Annotation stuff. */
407 extern int annotation_level
; /* in stack.c */
409 extern void begin_line (void);
411 extern void wrap_here (char *);
413 extern void reinitialize_more_filter (void);
416 extern struct ui_file
*gdb_stdout
;
418 extern struct ui_file
*gdb_stdin
;
419 /* Serious error notifications */
420 extern struct ui_file
*gdb_stderr
;
421 /* Log/debug/trace messages that should bypass normal stdout/stderr
422 filtering. For momement, always call this stream using
423 *_unfiltered. In the very near future that restriction shall be
424 removed - either call shall be unfiltered. (cagney 1999-06-13). */
425 extern struct ui_file
*gdb_stdlog
;
426 /* Target output that should bypass normal stdout/stderr filtering.
427 For momement, always call this stream using *_unfiltered. In the
428 very near future that restriction shall be removed - either call
429 shall be unfiltered. (cagney 1999-07-02). */
430 extern struct ui_file
*gdb_stdtarg
;
431 extern struct ui_file
*gdb_stdtargerr
;
432 extern struct ui_file
*gdb_stdtargin
;
440 /* More generic printf like operations. Filtered versions may return
441 non-locally on error. */
443 extern void fputs_filtered (const char *, struct ui_file
*);
445 extern void fputs_unfiltered (const char *, struct ui_file
*);
447 extern int fputc_filtered (int c
, struct ui_file
*);
449 extern int fputc_unfiltered (int c
, struct ui_file
*);
451 extern int putchar_filtered (int c
);
453 extern int putchar_unfiltered (int c
);
455 extern void puts_filtered (const char *);
457 extern void puts_unfiltered (const char *);
459 extern void puts_filtered_tabular (char *string
, int width
, int right
);
461 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
463 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
465 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
467 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
469 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
471 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
473 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
475 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
477 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
479 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
481 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
483 extern void print_spaces (int, struct ui_file
*);
485 extern void print_spaces_filtered (int, struct ui_file
*);
487 extern char *n_spaces (int);
489 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
491 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
493 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
495 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
496 extern void gdb_print_host_address (const void *addr
, struct ui_file
*stream
);
498 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
499 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
501 extern int strlen_paddr (void);
502 extern char *paddr (CORE_ADDR addr
);
503 extern char *paddr_nz (CORE_ADDR addr
);
504 extern char *paddr_u (CORE_ADDR addr
);
505 extern char *paddr_d (LONGEST addr
);
507 extern char *phex (ULONGEST l
, int sizeof_l
);
508 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
510 /* Like paddr() only print/scan raw CORE_ADDR. The output from
511 core_addr_to_string() can be passed direct to
512 string_to_core_addr(). */
513 extern const char *core_addr_to_string (const CORE_ADDR addr
);
514 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
515 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
517 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
520 extern NORETURN
void perror_with_name (const char *) ATTR_NORETURN
;
522 extern void print_sys_errmsg (const char *, int);
524 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
525 "const char *" in unistd.h, so we can't declare the argument
528 extern char *re_comp (const char *);
532 extern void symbol_file_command (char *, int);
534 /* Remote targets may wish to use this as their load function. */
535 extern void generic_load (char *name
, int from_tty
);
537 /* Summarise a download */
538 extern void print_transfer_performance (struct ui_file
*stream
,
539 unsigned long data_count
,
540 unsigned long write_count
,
541 unsigned long time_count
);
545 typedef void initialize_file_ftype (void);
547 extern char *skip_quoted (char *);
549 extern char *gdb_readline (char *);
551 extern char *gdb_readline_wrapper (char *);
553 extern char *command_line_input (char *, int, char *);
555 extern void print_prompt (void);
557 extern int input_from_terminal_p (void);
559 extern int info_verbose
;
561 /* From printcmd.c */
563 extern void set_next_address (CORE_ADDR
);
565 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
568 extern int build_address_symbolic (CORE_ADDR addr
,
576 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
578 extern void print_address (CORE_ADDR
, struct ui_file
*);
582 extern int openp (const char *, int, const char *, int, int, char **);
584 extern int source_full_path_of (char *, char **);
586 extern void mod_path (char *, char **);
588 extern void add_path (char *, char **, int);
590 extern void directory_command (char *, int);
592 extern char *source_path
;
594 extern void init_source_path (void);
596 extern void init_last_source_visited (void);
598 extern char *symtab_to_filename (struct symtab
*);
602 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
603 bfd_signed_vma data_off
,
604 bfd_signed_vma bss_off
);
606 /* Take over the 'find_mapped_memory' vector from exec.c. */
607 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR
,
613 /* Possible lvalue types. Like enum language, this should be in
614 value.h, but needs to be here for the same reason. */
620 /* In memory. Could be a saved register. */
624 /* In a gdb internal variable. */
626 /* Part of a gdb internal variable (structure field). */
627 lval_internalvar_component
,
628 /* In a register series in a frame not the current one, which may have been
629 partially saved or saved in different places (otherwise would be
630 lval_register or lval_memory). */
631 lval_reg_frame_relative
636 /* Control types for commands */
638 enum misc_command_type
646 enum command_control_type
656 /* Structure for saved commands lines
657 (for breakpoints, defined commands, etc). */
661 struct command_line
*next
;
663 enum command_control_type control_type
;
665 struct command_line
**body_list
;
668 extern struct command_line
*read_command_lines (char *, int);
670 extern void free_command_lines (struct command_line
**);
672 /* To continue the execution commands when running gdb asynchronously.
673 A continuation structure contains a pointer to a function to be called
674 to finish the command, once the target has stopped. Such mechanism is
675 used bt the finish and until commands, and in the remote protocol
676 when opening an extended-remote connection. */
678 struct continuation_arg
680 struct continuation_arg
*next
;
681 union continuation_data
{
690 void (*continuation_hook
) (struct continuation_arg
*);
691 struct continuation_arg
*arg_list
;
692 struct continuation
*next
;
696 extern struct continuation
*cmd_continuation
;
697 /* Used only by the step_1 function. */
698 extern struct continuation
*intermediate_continuation
;
701 extern void add_continuation (void (*)(struct continuation_arg
*),
702 struct continuation_arg
*);
703 extern void do_all_continuations (void);
704 extern void discard_all_continuations (void);
706 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
707 struct continuation_arg
*);
708 extern void do_all_intermediate_continuations (void);
709 extern void discard_all_intermediate_continuations (void);
711 /* String containing the current directory (what getwd would return). */
713 extern char *current_directory
;
715 /* Default radixes for input and output. Only some values supported. */
716 extern unsigned input_radix
;
717 extern unsigned output_radix
;
719 /* Possibilities for prettyprint parameters to routines which print
720 things. Like enum language, this should be in value.h, but needs
721 to be here for the same reason. FIXME: If we can eliminate this
722 as an arg to LA_VAL_PRINT, then we can probably move it back to
727 Val_no_prettyprint
= 0,
729 /* Use the default setting which the user has specified. */
733 /* The ptid struct is a collection of the various "ids" necessary
734 for identifying the inferior. This consists of the process id
735 (pid), thread id (tid), and other fields necessary for uniquely
736 identifying the inferior process/thread being debugged. When
737 manipulating ptids, the constructors, accessors, and predicate
738 declared in inferior.h should be used. These are as follows:
740 ptid_build - Make a new ptid from a pid, lwp, and tid.
741 pid_to_ptid - Make a new ptid from just a pid.
742 ptid_get_pid - Fetch the pid component of a ptid.
743 ptid_get_lwp - Fetch the lwp component of a ptid.
744 ptid_get_tid - Fetch the tid component of a ptid.
745 ptid_equal - Test to see if two ptids are equal.
747 Please do NOT access the struct ptid members directly (except, of
748 course, in the implementation of the above ptid manipulation
756 /* Lightweight process id */
763 typedef struct ptid ptid_t
;
767 /* Optional host machine definition. Pure autoconf targets will not
768 need a "xm.h" file. This will be a symlink to one of the xm-*.h
769 files, built by the `configure' script. */
775 /* Optional native machine support. Non-native (and possibly pure
776 multi-arch) targets do not need a "nm.h" file. This will be a
777 symlink to one of the nm-*.h files, built by the `configure'
784 /* Optional target machine definition. Pure multi-arch configurations
785 do not need a "tm.h" file. This will be a symlink to one of the
786 tm-*.h files, built by the `configure' script. */
792 /* If the xm.h file did not define the mode string used to open the
793 files, assume that binary files are opened the same way as text
796 #include "fopen-same.h"
799 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
800 FIXME: Assumes 2's complement arithmetic */
802 #if !defined (UINT_MAX)
803 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
806 #if !defined (INT_MAX)
807 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
810 #if !defined (INT_MIN)
811 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
814 #if !defined (ULONG_MAX)
815 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
818 #if !defined (LONG_MAX)
819 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
822 #if !defined (ULONGEST_MAX)
823 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
826 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
827 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
830 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
831 arguments to a function, number in a value history, register number, etc.)
832 where the value must not be larger than can fit in an int. */
834 extern int longest_to_int (LONGEST
);
836 /* Assorted functions we can declare, now that const and volatile are
839 extern char *savestring (const char *, size_t);
841 extern char *msavestring (void *, const char *, size_t);
843 extern char *mstrsave (void *, const char *);
845 /* Robust versions of same. Throw an internal error when no memory,
846 guard against stray NULL arguments. */
847 extern void *xmmalloc (void *md
, size_t size
);
848 extern void *xmrealloc (void *md
, void *ptr
, size_t size
);
849 extern void *xmcalloc (void *md
, size_t number
, size_t size
);
850 extern void xmfree (void *md
, void *ptr
);
852 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
854 extern void xfree (void *);
856 /* Utility macros to allocate typed memory. Avoids errors like
857 ``struct foo *foo = xmalloc (sizeof bar)'' and ``struct foo *foo =
858 (struct foo *) xmalloc (sizeof bar)''. */
859 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
860 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
862 /* Like asprintf/vasprintf but get an internal_error if the call
864 extern void xasprintf (char **ret
, const char *format
, ...) ATTR_FORMAT (printf
, 2, 3);
865 extern void xvasprintf (char **ret
, const char *format
, va_list ap
);
867 /* Like asprintf, but return the string, throw an error if no memory. */
868 extern char *xstrprintf (const char *format
, ...) ATTR_FORMAT (printf
, 1, 2);
870 extern int parse_escape (char **);
872 /* Message to be printed before the error message, when an error occurs. */
874 extern char *error_pre_print
;
876 /* Message to be printed before the error message, when an error occurs. */
878 extern char *quit_pre_print
;
880 /* Message to be printed before the warning message, when a warning occurs. */
882 extern char *warning_pre_print
;
884 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
886 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
888 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
890 /* Initialize the error buffer. */
891 extern void error_init (void);
893 /* Returns a freshly allocate buffer containing the last error
895 extern char *error_last_message (void);
897 extern NORETURN
void internal_verror (const char *file
, int line
,
898 const char *, va_list ap
) ATTR_NORETURN
;
900 extern NORETURN
void internal_error (const char *file
, int line
,
901 const char *, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 4);
903 extern void internal_vwarning (const char *file
, int line
,
904 const char *, va_list ap
);
906 extern void internal_warning (const char *file
, int line
,
907 const char *, ...) ATTR_FORMAT (printf
, 3, 4);
909 extern NORETURN
void nomem (long) ATTR_NORETURN
;
911 /* Reasons for calling throw_exception(). NOTE: all reason values
912 must be less than zero. enum value 0 is reserved for internal use
913 as the return value from an initial setjmp(). The function
914 catch_exceptions() reserves values >= 0 as legal results from its
919 /* User interrupt. */
921 /* Any other error. */
925 #define ALL_CLEANUPS ((struct cleanup *)0)
927 #define RETURN_MASK(reason) (1 << (int)(-reason))
928 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
929 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
930 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
931 typedef int return_mask
;
933 /* Throw an exception of type RETURN_REASON. Will execute a LONG JUMP
934 to the inner most containing exception handler established using
935 catch_exceptions() (or the legacy catch_errors()).
937 Code normally throws an exception using error() et.al. For various
938 reaons, GDB also contains code that throws an exception directly.
939 For instance, the remote*.c targets contain CNTRL-C signal handlers
940 that propogate the QUIT event up the exception chain. ``This could
941 be a good thing or a dangerous thing.'' -- the Existential Wombat. */
943 extern NORETURN
void throw_exception (enum return_reason
) ATTR_NORETURN
;
945 /* Call FUNC(UIOUT, FUNC_ARGS) but wrapped within an exception
946 handler. If an exception (enum return_reason) is thrown using
947 throw_exception() than all cleanups installed since
948 catch_exceptions() was entered are invoked, the (-ve) exception
949 value is then returned by catch_exceptions. If FUNC() returns
950 normally (with a postive or zero return value) then that value is
951 returned by catch_exceptions(). It is an internal_error() for
952 FUNC() to return a negative value.
954 For the period of the FUNC() call: UIOUT is installed as the output
955 builder; ERRSTRING is installed as the error/quit message; and a
956 new cleanup_chain is established. The old values are restored
957 before catch_exceptions() returns.
959 FIXME; cagney/2001-08-13: The need to override the global UIOUT
960 builder variable should just go away.
962 This function superseeds catch_errors().
964 This function uses SETJMP() and LONGJUMP(). */
967 typedef int (catch_exceptions_ftype
) (struct ui_out
*ui_out
, void *args
);
968 extern int catch_exceptions (struct ui_out
*uiout
,
969 catch_exceptions_ftype
*func
, void *func_args
,
970 char *errstring
, return_mask mask
);
972 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
973 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
974 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
975 value. It's unfortunate that, catch_errors() does not return an
976 indication of the exact exception that it caught - quit_flag might
979 This function is superseeded by catch_exceptions(). */
981 typedef int (catch_errors_ftype
) (void *);
982 extern int catch_errors (catch_errors_ftype
*, void *, char *, return_mask
);
984 /* Template to catch_errors() that wraps calls to command
987 typedef void (catch_command_errors_ftype
) (char *, int);
988 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
990 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
992 extern void vwarning (const char *, va_list args
);
994 /* List of known OS ABIs. If you change this, make sure to update the
998 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
1000 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
1007 GDB_OSABI_FREEBSD_AOUT
,
1008 GDB_OSABI_FREEBSD_ELF
,
1009 GDB_OSABI_NETBSD_AOUT
,
1010 GDB_OSABI_NETBSD_ELF
,
1020 GDB_OSABI_ARM_EABI_V1
,
1021 GDB_OSABI_ARM_EABI_V2
,
1027 GDB_OSABI_INVALID
/* keep this last */
1030 /* Global functions from other, non-gdb GNU thingies.
1031 Libiberty thingies are no longer declared here. We include libiberty.h
1034 #ifndef GETENV_PROVIDED
1035 extern char *getenv (const char *);
1038 /* From other system libraries */
1040 #ifdef HAVE_STDDEF_H
1044 #ifdef HAVE_STDLIB_H
1048 #define min(a, b) ((a) < (b) ? (a) : (b))
1051 #define max(a, b) ((a) > (b) ? (a) : (b))
1055 /* We take the address of fclose later, but some stdio's forget
1056 to declare this. We can't always declare it since there's
1057 no way to declare the parameters without upsetting some compiler
1060 #ifndef FCLOSE_PROVIDED
1061 extern int fclose (FILE *);
1065 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1068 /* Various possibilities for alloca. */
1071 #define alloca __builtin_alloca
1072 #else /* Not GNU C */
1073 #ifdef HAVE_ALLOCA_H
1080 /* We need to be careful not to declare this in a way which conflicts with
1081 bison. Bison never declares it as char *, but under various circumstances
1082 (like __hpux) we need to use void *. */
1083 extern void *alloca ();
1084 #endif /* Not _AIX */
1085 #endif /* Not HAVE_ALLOCA_H */
1086 #endif /* Not GNU C */
1087 #endif /* alloca not defined */
1089 /* Is GDB multi-arch? If there's a "tm.h" file, it is not. */
1090 #ifndef GDB_MULTI_ARCH
1092 #define GDB_MULTI_ARCH GDB_MULTI_ARCH_PARTIAL
1094 #define GDB_MULTI_ARCH GDB_MULTI_ARCH_PURE
1098 /* Dynamic target-system-dependent parameters for GDB. */
1099 #include "gdbarch.h"
1101 /* Maximum size of a register. Something small, but large enough for
1102 all known ISAs. If it turns out to be too small, make it bigger. */
1104 enum { MAX_REGISTER_SIZE
= 16 };
1106 /* Static target-system-dependent parameters for GDB. */
1108 /* Number of bits in a char or unsigned char for the target machine.
1109 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1110 #if !defined (TARGET_CHAR_BIT)
1111 #define TARGET_CHAR_BIT 8
1114 /* If we picked up a copy of CHAR_BIT from a configuration file
1115 (which may get it by including <limits.h>) then use it to set
1116 the number of bits in a host char. If not, use the same size
1119 #if defined (CHAR_BIT)
1120 #define HOST_CHAR_BIT CHAR_BIT
1122 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1125 /* The bit byte-order has to do just with numbering of bits in
1126 debugging symbols and such. Conceptually, it's quite separate
1127 from byte/word byte order. */
1129 #if !defined (BITS_BIG_ENDIAN)
1130 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
1135 extern LONGEST
extract_signed_integer (const void *, int);
1137 extern ULONGEST
extract_unsigned_integer (const void *, int);
1139 extern int extract_long_unsigned_integer (const void *, int, LONGEST
*);
1141 extern CORE_ADDR
extract_typed_address (const void *buf
, struct type
*type
);
1143 extern void store_signed_integer (void *, int, LONGEST
);
1145 extern void store_unsigned_integer (void *, int, ULONGEST
);
1147 extern void store_typed_address (void *buf
, struct type
*type
, CORE_ADDR addr
);
1152 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1154 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1156 extern int watchdog
;
1158 /* Hooks for alternate command interfaces. */
1160 /* The name of the interpreter if specified on the command line. */
1161 extern char *interpreter_p
;
1163 /* If a given interpreter matches INTERPRETER_P then it should update
1164 command_loop_hook and init_ui_hook with the per-interpreter
1166 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1168 struct target_waitstatus
;
1169 struct cmd_list_element
;
1171 /* Should the asynchronous variant of the interpreter (using the
1172 event-loop) be enabled? */
1173 extern int event_loop_p
;
1175 extern void (*init_ui_hook
) (char *argv0
);
1176 extern void (*command_loop_hook
) (void);
1177 extern void (*show_load_progress
) (const char *section
,
1178 unsigned long section_sent
,
1179 unsigned long section_size
,
1180 unsigned long total_sent
,
1181 unsigned long total_size
);
1182 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1183 int line
, int stopline
,
1185 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1186 extern int (*query_hook
) (const char *, va_list);
1187 extern void (*warning_hook
) (const char *, va_list);
1188 extern void (*flush_hook
) (struct ui_file
* stream
);
1189 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1190 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1191 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1192 extern void (*interactive_hook
) (void);
1193 extern void (*registers_changed_hook
) (void);
1194 extern void (*readline_begin_hook
) (char *,...);
1195 extern char *(*readline_hook
) (char *);
1196 extern void (*readline_end_hook
) (void);
1197 extern void (*register_changed_hook
) (int regno
);
1198 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1199 extern void (*context_hook
) (int);
1200 extern ptid_t (*target_wait_hook
) (ptid_t ptid
,
1201 struct target_waitstatus
* status
);
1203 extern void (*attach_hook
) (void);
1204 extern void (*detach_hook
) (void);
1205 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1206 char *cmd
, int from_tty
);
1208 extern void (*set_hook
) (struct cmd_list_element
* c
);
1210 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1212 extern void (*error_begin_hook
) (void);
1214 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1217 /* Inhibit window interface if non-zero. */
1219 extern int use_windows
;
1221 /* Symbolic definitions of filename-related things. */
1222 /* FIXME, this doesn't work very well if host and executable
1223 filesystems conventions are different. */
1225 #ifndef DIRNAME_SEPARATOR
1226 #define DIRNAME_SEPARATOR ':'
1229 #ifndef SLASH_STRING
1230 #define SLASH_STRING "/"
1235 # define GLOBAL_CURDIR
1238 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1239 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1240 in the code actually refer to a lightweight process id, i.e,
1241 something that can be considered a process id in its own right for
1242 certain purposes. */
1245 #define PIDGET(PTID) (ptid_get_pid (PTID))
1246 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1247 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1250 /* Define well known filenos if the system does not define them. */
1251 #ifndef STDIN_FILENO
1252 #define STDIN_FILENO 0
1254 #ifndef STDOUT_FILENO
1255 #define STDOUT_FILENO 1
1257 #ifndef STDERR_FILENO
1258 #define STDERR_FILENO 2
1261 /* If this definition isn't overridden by the header files, assume
1262 that isatty and fileno exist on this system. */
1264 #define ISATTY(FP) (isatty (fileno (FP)))
1267 #endif /* #ifndef DEFS_H */