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 /* use tui interface if non-zero */
164 extern int tui_version
;
166 /* enable xdb commands if set */
167 extern int xdb_commands
;
169 /* enable dbx commands if set */
170 extern int dbx_commands
;
172 /* System root path, used to find libraries etc. */
173 extern char *gdb_sysroot
;
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_objc
, /* Objective-C */
212 language_java
, /* Java */
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
) (void *);
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
);
305 extern void initialize_utils (void);
307 extern void notice_quit (void);
309 extern int strcmp_iw (const char *, const char *);
311 extern int subset_compare (char *, char *);
313 extern char *safe_strerror (int);
315 extern void init_malloc (void *);
317 extern void request_quit (int);
319 extern void do_cleanups (struct cleanup
*);
320 extern void do_final_cleanups (struct cleanup
*);
321 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
322 extern void do_run_cleanups (struct cleanup
*);
323 extern void do_exec_cleanups (struct cleanup
*);
324 extern void do_exec_error_cleanups (struct cleanup
*);
326 extern void discard_cleanups (struct cleanup
*);
327 extern void discard_final_cleanups (struct cleanup
*);
328 extern void discard_exec_error_cleanups (struct cleanup
*);
329 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
331 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
332 make_cleanup function declarations below. Do not use this typedef
333 as a cast when passing functions into the make_cleanup() code.
334 Instead either use a bounce function or add a wrapper function.
335 Calling a f(char*) function with f(void*) is non-portable. */
336 typedef void (make_cleanup_ftype
) (void *);
338 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
340 extern struct cleanup
*make_cleanup_freeargv (char **);
343 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
345 extern struct cleanup
*make_cleanup_close (int fd
);
347 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
349 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
351 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
352 make_cleanup_ftype
*, void *);
354 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
356 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
357 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
359 extern struct cleanup
*save_cleanups (void);
360 extern struct cleanup
*save_final_cleanups (void);
361 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
363 extern void restore_cleanups (struct cleanup
*);
364 extern void restore_final_cleanups (struct cleanup
*);
365 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
367 extern void free_current_contents (void *);
369 extern void null_cleanup (void *);
371 extern int myread (int, char *, int);
373 extern int query (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
375 extern void init_page_info (void);
377 extern CORE_ADDR
host_pointer_to_address (void *ptr
);
378 extern void *address_to_host_pointer (CORE_ADDR addr
);
380 extern char *gdb_realpath (const char *);
381 extern char *xfullpath (const char *);
383 extern unsigned long gnu_debuglink_crc32 (unsigned long crc
,
384 unsigned char *buf
, size_t len
);
386 /* From demangle.c */
388 extern void set_demangling_style (char *);
393 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
394 extern use_struct_convention_fn generic_use_struct_convention
;
397 /* Annotation stuff. */
399 extern int annotation_level
; /* in stack.c */
401 extern void begin_line (void);
403 extern void wrap_here (char *);
405 extern void reinitialize_more_filter (void);
408 extern struct ui_file
*gdb_stdout
;
409 /* Serious error notifications */
410 extern struct ui_file
*gdb_stderr
;
411 /* Log/debug/trace messages that should bypass normal stdout/stderr
412 filtering. For momement, always call this stream using
413 *_unfiltered. In the very near future that restriction shall be
414 removed - either call shall be unfiltered. (cagney 1999-06-13). */
415 extern struct ui_file
*gdb_stdlog
;
416 /* Target output that should bypass normal stdout/stderr filtering.
417 For momement, always call this stream using *_unfiltered. In the
418 very near future that restriction shall be removed - either call
419 shall be unfiltered. (cagney 1999-07-02). */
420 extern struct ui_file
*gdb_stdtarg
;
428 /* More generic printf like operations. Filtered versions may return
429 non-locally on error. */
431 extern void fputs_filtered (const char *, struct ui_file
*);
433 extern void fputs_unfiltered (const char *, struct ui_file
*);
435 extern int fputc_filtered (int c
, struct ui_file
*);
437 extern int fputc_unfiltered (int c
, struct ui_file
*);
439 extern int putchar_filtered (int c
);
441 extern int putchar_unfiltered (int c
);
443 extern void puts_filtered (const char *);
445 extern void puts_unfiltered (const char *);
447 extern void puts_filtered_tabular (char *string
, int width
, int right
);
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 add_path (char *, char **, int);
578 extern void directory_command (char *, int);
580 extern char *source_path
;
582 extern void init_source_path (void);
584 extern void init_last_source_visited (void);
586 extern char *symtab_to_filename (struct symtab
*);
590 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
591 bfd_signed_vma data_off
,
592 bfd_signed_vma bss_off
);
594 /* Take over the 'find_mapped_memory' vector from exec.c. */
595 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR
,
601 /* Possible lvalue types. Like enum language, this should be in
602 value.h, but needs to be here for the same reason. */
608 /* In memory. Could be a saved register. */
612 /* In a gdb internal variable. */
614 /* Part of a gdb internal variable (structure field). */
615 lval_internalvar_component
,
616 /* In a register series in a frame not the current one, which may have been
617 partially saved or saved in different places (otherwise would be
618 lval_register or lval_memory). */
619 lval_reg_frame_relative
624 /* Control types for commands */
626 enum misc_command_type
634 enum command_control_type
644 /* Structure for saved commands lines
645 (for breakpoints, defined commands, etc). */
649 struct command_line
*next
;
651 enum command_control_type control_type
;
653 struct command_line
**body_list
;
656 extern struct command_line
*read_command_lines (char *, int);
658 extern void free_command_lines (struct command_line
**);
660 /* To continue the execution commands when running gdb asynchronously.
661 A continuation structure contains a pointer to a function to be called
662 to finish the command, once the target has stopped. Such mechanism is
663 used bt the finish and until commands, and in the remote protocol
664 when opening an extended-remote connection. */
666 struct continuation_arg
668 struct continuation_arg
*next
;
669 union continuation_data
{
678 void (*continuation_hook
) (struct continuation_arg
*);
679 struct continuation_arg
*arg_list
;
680 struct continuation
*next
;
684 extern struct continuation
*cmd_continuation
;
685 /* Used only by the step_1 function. */
686 extern struct continuation
*intermediate_continuation
;
689 extern void add_continuation (void (*)(struct continuation_arg
*),
690 struct continuation_arg
*);
691 extern void do_all_continuations (void);
692 extern void discard_all_continuations (void);
694 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
695 struct continuation_arg
*);
696 extern void do_all_intermediate_continuations (void);
697 extern void discard_all_intermediate_continuations (void);
699 /* String containing the current directory (what getwd would return). */
701 extern char *current_directory
;
703 /* Default radixes for input and output. Only some values supported. */
704 extern unsigned input_radix
;
705 extern unsigned output_radix
;
707 /* Possibilities for prettyprint parameters to routines which print
708 things. Like enum language, this should be in value.h, but needs
709 to be here for the same reason. FIXME: If we can eliminate this
710 as an arg to LA_VAL_PRINT, then we can probably move it back to
715 Val_no_prettyprint
= 0,
717 /* Use the default setting which the user has specified. */
721 /* The ptid struct is a collection of the various "ids" necessary
722 for identifying the inferior. This consists of the process id
723 (pid), thread id (tid), and other fields necessary for uniquely
724 identifying the inferior process/thread being debugged. When
725 manipulating ptids, the constructors, accessors, and predicate
726 declared in inferior.h should be used. These are as follows:
728 ptid_build - Make a new ptid from a pid, lwp, and tid.
729 pid_to_ptid - Make a new ptid from just a pid.
730 ptid_get_pid - Fetch the pid component of a ptid.
731 ptid_get_lwp - Fetch the lwp component of a ptid.
732 ptid_get_tid - Fetch the tid component of a ptid.
733 ptid_equal - Test to see if two ptids are equal.
735 Please do NOT access the struct ptid members directly (except, of
736 course, in the implementation of the above ptid manipulation
744 /* Lightweight process id */
751 typedef struct ptid ptid_t
;
755 /* Optional host machine definition. Pure autoconf targets will not
756 need a "xm.h" file. This will be a symlink to one of the xm-*.h
757 files, built by the `configure' script. */
763 /* Optional native machine support. Non-native (and possibly pure
764 multi-arch) targets do not need a "nm.h" file. This will be a
765 symlink to one of the nm-*.h files, built by the `configure'
772 /* Optional target machine definition. Pure multi-arch configurations
773 do not need a "tm.h" file. This will be a symlink to one of the
774 tm-*.h files, built by the `configure' script. */
780 /* GDB_MULTI_ARCH is normally set by configure.in using information
781 from configure.tgt or the config/%/%.mt Makefile fragment. Since
782 some targets have defined it in their "tm.h" file, delay providing
783 a default definition until after "tm.h" has been included.. */
785 #ifndef GDB_MULTI_ARCH
786 #define GDB_MULTI_ARCH 0
790 /* If the xm.h file did not define the mode string used to open the
791 files, assume that binary files are opened the same way as text
794 #include "fopen-same.h"
797 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
798 FIXME: Assumes 2's complement arithmetic */
800 #if !defined (UINT_MAX)
801 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
804 #if !defined (INT_MAX)
805 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
808 #if !defined (INT_MIN)
809 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
812 #if !defined (ULONG_MAX)
813 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
816 #if !defined (LONG_MAX)
817 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
820 #if !defined (ULONGEST_MAX)
821 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
824 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
825 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
828 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
829 arguments to a function, number in a value history, register number, etc.)
830 where the value must not be larger than can fit in an int. */
832 extern int longest_to_int (LONGEST
);
834 /* Assorted functions we can declare, now that const and volatile are
837 extern char *savestring (const char *, size_t);
839 extern char *msavestring (void *, const char *, size_t);
841 extern char *mstrsave (void *, const char *);
843 /* Robust versions of same. Throw an internal error when no memory,
844 guard against stray NULL arguments. */
845 extern void *xmmalloc (void *md
, size_t size
);
846 extern void *xmrealloc (void *md
, void *ptr
, size_t size
);
847 extern void *xmcalloc (void *md
, size_t number
, size_t size
);
848 extern void xmfree (void *md
, void *ptr
);
850 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
852 extern void xfree (void *);
854 /* Utility macros to allocate typed memory. Avoids errors like
855 ``struct foo *foo = xmalloc (sizeof bar)'' and ``struct foo *foo =
856 (struct foo *) xmalloc (sizeof bar)''. */
857 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
858 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
860 /* Like asprintf/vasprintf but get an internal_error if the call
862 extern void xasprintf (char **ret
, const char *format
, ...) ATTR_FORMAT (printf
, 2, 3);
863 extern void xvasprintf (char **ret
, const char *format
, va_list ap
);
865 extern int parse_escape (char **);
867 /* Message to be printed before the error message, when an error occurs. */
869 extern char *error_pre_print
;
871 /* Message to be printed before the error message, when an error occurs. */
873 extern char *quit_pre_print
;
875 /* Message to be printed before the warning message, when a warning occurs. */
877 extern char *warning_pre_print
;
879 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
881 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
883 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
885 /* Returns a freshly allocate buffer containing the last error
887 extern char *error_last_message (void);
889 extern NORETURN
void internal_verror (const char *file
, int line
,
890 const char *, va_list ap
) ATTR_NORETURN
;
892 extern NORETURN
void internal_error (const char *file
, int line
,
893 const char *, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 4);
895 extern void internal_vwarning (const char *file
, int line
,
896 const char *, va_list ap
);
898 extern void internal_warning (const char *file
, int line
,
899 const char *, ...) ATTR_FORMAT (printf
, 3, 4);
901 extern NORETURN
void nomem (long) ATTR_NORETURN
;
903 /* Reasons for calling throw_exception(). NOTE: all reason values
904 must be less than zero. enum value 0 is reserved for internal use
905 as the return value from an initial setjmp(). The function
906 catch_exceptions() reserves values >= 0 as legal results from its
911 /* User interrupt. */
913 /* Any other error. */
917 #define ALL_CLEANUPS ((struct cleanup *)0)
919 #define RETURN_MASK(reason) (1 << (int)(-reason))
920 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
921 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
922 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
923 typedef int return_mask
;
925 /* Throw an exception of type RETURN_REASON. Will execute a LONG JUMP
926 to the inner most containing exception handler established using
927 catch_exceptions() (or the legacy catch_errors()).
929 Code normally throws an exception using error() et.al. For various
930 reaons, GDB also contains code that throws an exception directly.
931 For instance, the remote*.c targets contain CNTRL-C signal handlers
932 that propogate the QUIT event up the exception chain. ``This could
933 be a good thing or a dangerous thing.'' -- the Existential Wombat. */
935 extern NORETURN
void throw_exception (enum return_reason
) ATTR_NORETURN
;
937 /* Call FUNC(UIOUT, FUNC_ARGS) but wrapped within an exception
938 handler. If an exception (enum return_reason) is thrown using
939 throw_exception() than all cleanups installed since
940 catch_exceptions() was entered are invoked, the (-ve) exception
941 value is then returned by catch_exceptions. If FUNC() returns
942 normally (with a postive or zero return value) then that value is
943 returned by catch_exceptions(). It is an internal_error() for
944 FUNC() to return a negative value.
946 For the period of the FUNC() call: UIOUT is installed as the output
947 builder; ERRSTRING is installed as the error/quit message; and a
948 new cleanup_chain is established. The old values are restored
949 before catch_exceptions() returns.
951 FIXME; cagney/2001-08-13: The need to override the global UIOUT
952 builder variable should just go away.
954 This function superseeds catch_errors().
956 This function uses SETJMP() and LONGJUMP(). */
959 typedef int (catch_exceptions_ftype
) (struct ui_out
*ui_out
, void *args
);
960 extern int catch_exceptions (struct ui_out
*uiout
,
961 catch_exceptions_ftype
*func
, void *func_args
,
962 char *errstring
, return_mask mask
);
964 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
965 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
966 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
967 value. It's unfortunate that, catch_errors() does not return an
968 indication of the exact exception that it caught - quit_flag might
971 This function is superseeded by catch_exceptions(). */
973 typedef int (catch_errors_ftype
) (void *);
974 extern int catch_errors (catch_errors_ftype
*, void *, char *, return_mask
);
976 /* Template to catch_errors() that wraps calls to command
979 typedef void (catch_command_errors_ftype
) (char *, int);
980 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
982 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
984 extern void vwarning (const char *, va_list args
);
986 /* List of known OS ABIs. If you change this, make sure to update the
990 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
992 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
999 GDB_OSABI_FREEBSD_AOUT
,
1000 GDB_OSABI_FREEBSD_ELF
,
1001 GDB_OSABI_NETBSD_AOUT
,
1002 GDB_OSABI_NETBSD_ELF
,
1012 GDB_OSABI_ARM_EABI_V1
,
1013 GDB_OSABI_ARM_EABI_V2
,
1016 GDB_OSABI_INVALID
/* keep this last */
1019 /* Global functions from other, non-gdb GNU thingies.
1020 Libiberty thingies are no longer declared here. We include libiberty.h
1023 #ifndef GETENV_PROVIDED
1024 extern char *getenv (const char *);
1027 /* From other system libraries */
1029 #ifdef HAVE_STDDEF_H
1033 #ifdef HAVE_STDLIB_H
1037 #define min(a, b) ((a) < (b) ? (a) : (b))
1040 #define max(a, b) ((a) > (b) ? (a) : (b))
1044 /* We take the address of fclose later, but some stdio's forget
1045 to declare this. We can't always declare it since there's
1046 no way to declare the parameters without upsetting some compiler
1049 #ifndef FCLOSE_PROVIDED
1050 extern int fclose (FILE *);
1054 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1057 /* Various possibilities for alloca. */
1060 #define alloca __builtin_alloca
1061 #else /* Not GNU C */
1062 #ifdef HAVE_ALLOCA_H
1069 /* We need to be careful not to declare this in a way which conflicts with
1070 bison. Bison never declares it as char *, but under various circumstances
1071 (like __hpux) we need to use void *. */
1072 extern void *alloca ();
1073 #endif /* Not _AIX */
1074 #endif /* Not HAVE_ALLOCA_H */
1075 #endif /* Not GNU C */
1076 #endif /* alloca not defined */
1078 /* Dynamic target-system-dependent parameters for GDB. */
1079 #include "gdbarch.h"
1080 #if (GDB_MULTI_ARCH == 0)
1081 /* Multi-arch targets _should_ be including "arch-utils.h" directly
1082 into their *-tdep.c file. This is a prop to help old non-
1083 multi-arch targets to continue to compile. */
1084 #include "arch-utils.h"
1087 /* Static target-system-dependent parameters for GDB. */
1089 /* Number of bits in a char or unsigned char for the target machine.
1090 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1091 #if !defined (TARGET_CHAR_BIT)
1092 #define TARGET_CHAR_BIT 8
1095 /* If we picked up a copy of CHAR_BIT from a configuration file
1096 (which may get it by including <limits.h>) then use it to set
1097 the number of bits in a host char. If not, use the same size
1100 #if defined (CHAR_BIT)
1101 #define HOST_CHAR_BIT CHAR_BIT
1103 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1106 /* The bit byte-order has to do just with numbering of bits in
1107 debugging symbols and such. Conceptually, it's quite separate
1108 from byte/word byte order. */
1110 #if !defined (BITS_BIG_ENDIAN)
1111 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
1116 extern LONGEST
extract_signed_integer (const void *, int);
1118 extern ULONGEST
extract_unsigned_integer (const void *, int);
1120 extern int extract_long_unsigned_integer (const void *, int, LONGEST
*);
1122 extern CORE_ADDR
extract_address (const void *, int);
1124 extern CORE_ADDR
extract_typed_address (const void *buf
, struct type
*type
);
1126 extern void store_signed_integer (void *, int, LONGEST
);
1128 extern void store_unsigned_integer (void *, int, ULONGEST
);
1130 extern void store_address (void *, int, LONGEST
);
1132 extern void store_typed_address (void *buf
, struct type
*type
, CORE_ADDR addr
);
1137 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1139 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1141 extern int watchdog
;
1143 /* Hooks for alternate command interfaces. */
1145 /* The name of the interpreter if specified on the command line. */
1146 extern char *interpreter_p
;
1148 /* If a given interpreter matches INTERPRETER_P then it should update
1149 command_loop_hook and init_ui_hook with the per-interpreter
1151 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1153 struct target_waitstatus
;
1154 struct cmd_list_element
;
1156 /* Should the asynchronous variant of the interpreter (using the
1157 event-loop) be enabled? */
1158 extern int event_loop_p
;
1160 extern void (*init_ui_hook
) (char *argv0
);
1161 extern void (*command_loop_hook
) (void);
1162 extern void (*show_load_progress
) (const char *section
,
1163 unsigned long section_sent
,
1164 unsigned long section_size
,
1165 unsigned long total_sent
,
1166 unsigned long total_size
);
1167 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1168 int line
, int stopline
,
1170 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1171 extern int (*query_hook
) (const char *, va_list);
1172 extern void (*warning_hook
) (const char *, va_list);
1173 extern void (*flush_hook
) (struct ui_file
* stream
);
1174 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1175 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1176 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1177 extern void (*interactive_hook
) (void);
1178 extern void (*registers_changed_hook
) (void);
1179 extern void (*readline_begin_hook
) (char *,...);
1180 extern char *(*readline_hook
) (char *);
1181 extern void (*readline_end_hook
) (void);
1182 extern void (*register_changed_hook
) (int regno
);
1183 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1184 extern void (*context_hook
) (int);
1185 extern ptid_t (*target_wait_hook
) (ptid_t ptid
,
1186 struct target_waitstatus
* status
);
1188 extern void (*attach_hook
) (void);
1189 extern void (*detach_hook
) (void);
1190 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1191 char *cmd
, int from_tty
);
1193 extern void (*set_hook
) (struct cmd_list_element
* c
);
1195 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1197 extern void (*error_begin_hook
) (void);
1199 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1202 /* Inhibit window interface if non-zero. */
1204 extern int use_windows
;
1206 /* Symbolic definitions of filename-related things. */
1207 /* FIXME, this doesn't work very well if host and executable
1208 filesystems conventions are different. */
1210 #ifndef DIRNAME_SEPARATOR
1211 #define DIRNAME_SEPARATOR ':'
1214 #ifndef SLASH_STRING
1215 #define SLASH_STRING "/"
1220 # define GLOBAL_CURDIR
1223 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1224 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1225 in the code actually refer to a lightweight process id, i.e,
1226 something that can be considered a process id in its own right for
1227 certain purposes. */
1230 #define PIDGET(PTID) (ptid_get_pid (PTID))
1231 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1232 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1235 /* Define well known filenos if the system does not define them. */
1236 #ifndef STDIN_FILENO
1237 #define STDIN_FILENO 0
1239 #ifndef STDOUT_FILENO
1240 #define STDOUT_FILENO 1
1242 #ifndef STDERR_FILENO
1243 #define STDERR_FILENO 2
1246 /* If this definition isn't overridden by the header files, assume
1247 that isatty and fileno exist on this system. */
1249 #define ISATTY(FP) (isatty (fileno (FP)))
1252 #endif /* #ifndef DEFS_H */