1 /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
3 /* Basic, host-specific, and target-specific definitions for GDB.
4 Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
5 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009,
6 2010, 2011 Free Software Foundation, Inc.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
26 #include "config.h" /* Generated by configure. */
28 #include <sys/types.h>
30 #include <errno.h> /* System call error return status. */
34 /* The libdecnumber library, on which GDB depends, includes a header file
35 called gstdint.h instead of relying directly on stdint.h. GDB, on the
36 other hand, includes stdint.h directly, relying on the fact that gnulib
37 generates a copy if the system doesn't provide one or if it is missing
38 some features. Unfortunately, gstdint.h and stdint.h cannot be included
39 at the same time, which may happen when we include a file from
42 The following macro definition effectively prevents the inclusion of
43 gstdint.h, as all the definitions it provides are guarded against
44 the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h
45 included, so it's ok to blank out gstdint.h. */
46 #define GCC_GENERATED_STDINT_H 1
58 /* First include ansidecl.h so we can use the various macro definitions
59 here and in all subsequent file inclusions. */
63 #include "gdb_locale.h"
65 #include "gdb_wchar.h"
67 /* For ``enum target_signal''. */
68 #include "gdb/signals.h"
70 /* Just in case they're not defined in stdio.h. */
79 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
80 It is used as an access modifier in calls to open(), where it acts
81 similarly to the "b" character in fopen()'s MODE argument. On Posix
82 platforms it should be a no-op, so it is defined as 0 here. This
83 ensures that the symbol may be used freely elsewhere in gdb. */
89 #include <stdarg.h> /* For va_list. */
91 #include "libiberty.h"
93 /* Rather than duplicate all the logic in BFD for figuring out what
94 types to use (which can be pretty complicated), symply define them
95 in terms of the corresponding type from BFD. */
99 /* A byte from the program being debugged. */
100 typedef bfd_byte gdb_byte
;
102 /* An address in the program being debugged. Host byte order. */
103 typedef bfd_vma CORE_ADDR
;
105 /* The largest CORE_ADDR value. */
106 #define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
108 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
114 #define LONGEST BFD_HOST_64_BIT
115 #define ULONGEST BFD_HOST_U_64_BIT
119 #ifdef CC_HAS_LONG_LONG
120 #define LONGEST long long
121 #define ULONGEST unsigned long long
123 #ifdef BFD_HOST_64_BIT
124 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
125 (e.g. i386-windows) so try it. */
126 #define LONGEST BFD_HOST_64_BIT
127 #define ULONGEST BFD_HOST_U_64_BIT
130 #define ULONGEST unsigned long
134 #endif /* No BFD64 */
136 #endif /* ! LONGEST */
139 #define min(a, b) ((a) < (b) ? (a) : (b))
142 #define max(a, b) ((a) > (b) ? (a) : (b))
145 /* Check if a character is one of the commonly used C++ marker characters. */
146 extern int is_cplus_marker (int);
148 /* Enable xdb commands if set. */
149 extern int xdb_commands
;
151 /* Enable dbx commands if set. */
152 extern int dbx_commands
;
154 /* System root path, used to find libraries etc. */
155 extern char *gdb_sysroot
;
157 /* GDB datadir, used to store data files. */
158 extern char *gdb_datadir
;
160 /* If non-NULL, the possibly relocated path to python's "lib" directory
161 specified with --with-python. */
162 extern char *python_libdir
;
164 /* Search path for separate debug files. */
165 extern char *debug_file_directory
;
167 extern int quit_flag
;
168 extern int immediate_quit
;
169 extern int sevenbit_strings
;
171 extern void quit (void);
173 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
174 benefits of having a ``QUIT'' macro rather than a function are
175 marginal. If the overhead of a QUIT function call is proving
176 significant then its calling frequency should probably be reduced
177 [kingdon]. A profile analyzing the current situtation is
181 if (quit_flag) quit (); \
182 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
185 /* Languages represented in the symbol table and elsewhere.
186 This should probably be in language.h, but since enum's can't
187 be forward declared to satisfy opaque references before their
188 actual definition, needs to be here. */
192 language_unknown
, /* Language not known */
193 language_auto
, /* Placeholder for automatic setting */
195 language_cplus
, /* C++ */
197 language_objc
, /* Objective-C */
198 language_java
, /* Java */
199 language_fortran
, /* Fortran */
200 language_m2
, /* Modula-2 */
201 language_asm
, /* Assembly language */
202 language_pascal
, /* Pascal */
203 language_ada
, /* Ada */
204 language_opencl
, /* OpenCL */
205 language_minimal
, /* All other languages, minimal support only */
213 unspecified_precision
216 /* A generic, not quite boolean, enumeration. */
224 /* Potential ways that a function can return a value of a given type. */
225 enum return_value_convention
227 /* Where the return value has been squeezed into one or more
229 RETURN_VALUE_REGISTER_CONVENTION
,
230 /* Commonly known as the "struct return convention". The caller
231 passes an additional hidden first parameter to the caller. That
232 parameter contains the address at which the value being returned
233 should be stored. While typically, and historically, used for
234 large structs, this is convention is applied to values of many
236 RETURN_VALUE_STRUCT_CONVENTION
,
237 /* Like the "struct return convention" above, but where the ABI
238 guarantees that the called function stores the address at which
239 the value being returned is stored in a well-defined location,
240 such as a register or memory slot in the stack frame. Don't use
241 this if the ABI doesn't explicitly guarantees this. */
242 RETURN_VALUE_ABI_RETURNS_ADDRESS
,
243 /* Like the "struct return convention" above, but where the ABI
244 guarantees that the address at which the value being returned is
245 stored will be available in a well-defined location, such as a
246 register or memory slot in the stack frame. Don't use this if
247 the ABI doesn't explicitly guarantees this. */
248 RETURN_VALUE_ABI_PRESERVES_ADDRESS
,
251 /* the cleanup list records things that have to be undone
252 if an error happens (descriptors to be closed, memory to be freed, etc.)
253 Each link in the chain records a function to call and an
256 Use make_cleanup to add an element to the cleanup chain.
257 Use do_cleanups to do all cleanup actions back to a given
258 point in the chain. Use discard_cleanups to remove cleanups
259 from the chain back to a given point, not doing them.
261 If the argument is pointer to allocated memory, then you need to
262 to additionally set the 'free_arg' member to a function that will
263 free that memory. This function will be called both when the cleanup
264 is executed and when it's discarded. */
268 struct cleanup
*next
;
269 void (*function
) (void *);
270 void (*free_arg
) (void *);
274 /* Be conservative and use enum bitfields only with GCC.
275 This is copied from gcc 3.3.1, system.h. */
277 #if defined(__GNUC__) && (__GNUC__ >= 2)
278 #define ENUM_BITFIELD(TYPE) enum TYPE
280 #define ENUM_BITFIELD(TYPE) unsigned int
283 /* vec.h-style vectors of strings want a typedef for char * . */
285 typedef char * char_ptr
;
287 /* Needed for various prototypes */
296 extern void initialize_utils (void);
298 extern void notice_quit (void);
300 extern int strcmp_iw (const char *, const char *);
302 extern int strcmp_iw_ordered (const char *, const char *);
304 extern int streq (const char *, const char *);
306 extern int subset_compare (char *, char *);
308 extern char *safe_strerror (int);
310 extern void set_display_time (int);
312 extern void set_display_space (int);
314 #define ALL_CLEANUPS ((struct cleanup *)0)
316 extern void do_cleanups (struct cleanup
*);
317 extern void do_final_cleanups (struct cleanup
*);
319 extern void discard_cleanups (struct cleanup
*);
320 extern void discard_final_cleanups (struct cleanup
*);
321 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
323 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
324 make_cleanup function declarations below. Do not use this typedef
325 as a cast when passing functions into the make_cleanup() code.
326 Instead either use a bounce function or add a wrapper function.
327 Calling a f(char*) function with f(void*) is non-portable. */
328 typedef void (make_cleanup_ftype
) (void *);
330 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
332 extern struct cleanup
*make_cleanup_dtor (make_cleanup_ftype
*, void *,
333 void (*dtor
) (void *));
335 extern struct cleanup
*make_cleanup_freeargv (char **);
338 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
341 extern struct cleanup
*
342 make_cleanup_ui_out_redirect_pop (struct ui_out
*uiout
);
344 struct section_addr_info
;
345 extern struct cleanup
*(make_cleanup_free_section_addr_info
346 (struct section_addr_info
*));
348 extern struct cleanup
*make_cleanup_close (int fd
);
350 extern struct cleanup
*make_cleanup_fclose (FILE *file
);
352 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
355 extern struct cleanup
*make_cleanup_obstack_free (struct obstack
*obstack
);
357 extern struct cleanup
*make_cleanup_restore_integer (int *variable
);
358 extern struct cleanup
*make_cleanup_restore_uinteger (unsigned int *variable
);
361 extern struct cleanup
*make_cleanup_unpush_target (struct target_ops
*ops
);
363 extern struct cleanup
*
364 make_cleanup_restore_ui_file (struct ui_file
**variable
);
366 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
368 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
369 make_cleanup_ftype
*, void *);
371 extern struct cleanup
*make_my_cleanup2 (struct cleanup
**,
372 make_cleanup_ftype
*, void *,
373 void (*free_arg
) (void *));
375 extern struct cleanup
*save_cleanups (void);
376 extern struct cleanup
*save_final_cleanups (void);
377 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
379 extern void restore_cleanups (struct cleanup
*);
380 extern void restore_final_cleanups (struct cleanup
*);
381 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
383 extern void free_current_contents (void *);
385 extern void null_cleanup (void *);
387 extern struct cleanup
*make_command_stats_cleanup (int);
389 extern int myread (int, char *, int);
391 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
392 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
393 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
395 extern void init_page_info (void);
397 extern struct cleanup
*make_cleanup_restore_page_info (void);
398 extern struct cleanup
*
399 set_batch_flag_and_make_cleanup_restore_page_info (void);
401 extern char *gdb_realpath (const char *);
402 extern char *xfullpath (const char *);
404 extern unsigned long gnu_debuglink_crc32 (unsigned long crc
,
405 unsigned char *buf
, size_t len
);
407 ULONGEST
strtoulst (const char *num
, const char **trailer
, int base
);
409 char *ldirname (const char *filename
);
411 char **gdb_buildargv (const char *);
413 int compare_positive_ints (const void *ap
, const void *bp
);
415 /* A wrapper for bfd_errmsg to produce a more helpful error message
416 in the case of bfd_error_file_ambiguously recognized.
417 MATCHING, if non-NULL, is the corresponding argument to
418 bfd_check_format_matches, and will be freed. */
420 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag
, char **matching
);
422 extern int parse_pid_to_attach (char *args
);
424 /* From demangle.c */
426 extern void set_demangling_style (char *);
429 /* Annotation stuff. */
431 extern int annotation_level
; /* in stack.c */
433 extern void begin_line (void);
435 extern void wrap_here (char *);
437 extern void reinitialize_more_filter (void);
440 extern struct ui_file
*gdb_stdout
;
442 extern struct ui_file
*gdb_stdin
;
443 /* Serious error notifications */
444 extern struct ui_file
*gdb_stderr
;
445 /* Log/debug/trace messages that should bypass normal stdout/stderr
446 filtering. For moment, always call this stream using
447 *_unfiltered. In the very near future that restriction shall be
448 removed - either call shall be unfiltered. (cagney 1999-06-13). */
449 extern struct ui_file
*gdb_stdlog
;
450 /* Target output that should bypass normal stdout/stderr filtering.
451 For moment, always call this stream using *_unfiltered. In the
452 very near future that restriction shall be removed - either call
453 shall be unfiltered. (cagney 1999-07-02). */
454 extern struct ui_file
*gdb_stdtarg
;
455 extern struct ui_file
*gdb_stdtargerr
;
456 extern struct ui_file
*gdb_stdtargin
;
460 /* More generic printf like operations. Filtered versions may return
461 non-locally on error. */
463 extern void fputs_filtered (const char *, struct ui_file
*);
465 extern void fputs_unfiltered (const char *, struct ui_file
*);
467 extern int fputc_filtered (int c
, struct ui_file
*);
469 extern int fputc_unfiltered (int c
, struct ui_file
*);
471 extern int putchar_filtered (int c
);
473 extern int putchar_unfiltered (int c
);
475 extern void puts_filtered (const char *);
477 extern void puts_unfiltered (const char *);
479 extern void puts_filtered_tabular (char *string
, int width
, int right
);
481 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
483 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
485 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list)
486 ATTRIBUTE_PRINTF (2, 0);
488 extern void fprintf_filtered (struct ui_file
*, const char *, ...)
489 ATTRIBUTE_PRINTF (2, 3);
491 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...)
492 ATTRIBUTE_PRINTF (3, 4);
494 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
496 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
498 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
500 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list)
501 ATTRIBUTE_PRINTF (2, 0);
503 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...)
504 ATTRIBUTE_PRINTF (2, 3);
506 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
508 extern void print_spaces (int, struct ui_file
*);
510 extern void print_spaces_filtered (int, struct ui_file
*);
512 extern char *n_spaces (int);
514 extern void fputstr_filtered (const char *str
, int quotr
,
515 struct ui_file
* stream
);
517 extern void fputstr_unfiltered (const char *str
, int quotr
,
518 struct ui_file
* stream
);
520 extern void fputstrn_filtered (const char *str
, int n
, int quotr
,
521 struct ui_file
* stream
);
523 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
,
524 struct ui_file
* stream
);
526 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
527 extern void gdb_print_host_address (const void *addr
, struct ui_file
*stream
);
529 extern const char *host_address_to_string (const void *addr
);
531 /* Convert CORE_ADDR to string in platform-specific manner.
532 This is usually formatted similar to 0x%lx. */
533 extern const char *paddress (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
535 /* Return a string representation in hexadecimal notation of ADDRESS,
536 which is suitable for printing. */
538 extern const char *print_core_address (struct gdbarch
*gdbarch
,
542 extern char *plongest (LONGEST l
);
543 /* %u for ULONGEST */
544 extern char *pulongest (ULONGEST l
);
546 extern char *phex (ULONGEST l
, int sizeof_l
);
547 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
548 extern char *int_string (LONGEST
, int, int, int, int);
550 /* Convert a CORE_ADDR into a HEX string with leading zeros.
551 The output from core_addr_to_string() can be passed direct to
552 string_to_core_addr(). */
553 extern const char *core_addr_to_string (const CORE_ADDR addr
);
554 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
555 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
557 /* Return a string that contains a number formatted as a hex
559 extern char *hex_string (LONGEST
);
560 extern char *hex_string_custom (LONGEST
, int);
562 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
565 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN
;
567 extern void print_sys_errmsg (const char *, int);
569 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
570 "const char *" in unistd.h, so we can't declare the argument
573 extern char *re_comp (const char *);
577 extern void symbol_file_command (char *, int);
579 /* Remote targets may wish to use this as their load function. */
580 extern void generic_load (char *name
, int from_tty
);
582 /* Report on STREAM the performance of memory transfer operation,
584 DATA_COUNT is the number of bytes transferred.
585 WRITE_COUNT is the number of separate write operations, or 0,
586 if that information is not available.
587 START_TIME is the time at which an operation was started.
588 END_TIME is the time at which an operation ended. */
590 extern void print_transfer_performance (struct ui_file
*stream
,
591 unsigned long data_count
,
592 unsigned long write_count
,
593 const struct timeval
*start_time
,
594 const struct timeval
*end_time
);
598 typedef void initialize_file_ftype (void);
600 extern char *skip_quoted (char *);
602 extern char *gdb_readline (char *);
604 extern char *gdb_readline_wrapper (char *);
606 extern char *command_line_input (char *, int, char *);
608 extern void print_prompt (void);
610 extern int input_from_terminal_p (void);
612 extern int info_verbose
;
614 /* From printcmd.c */
616 extern void set_next_address (struct gdbarch
*, CORE_ADDR
);
618 extern void print_address_symbolic (struct gdbarch
*, CORE_ADDR
,
619 struct ui_file
*, int, char *);
621 extern int build_address_symbolic (struct gdbarch
*,
630 extern void print_address (struct gdbarch
*, CORE_ADDR
, struct ui_file
*);
631 extern const char *pc_prefix (CORE_ADDR
);
635 #define OPF_TRY_CWD_FIRST 0x01
636 #define OPF_SEARCH_IN_PATH 0x02
638 extern int openp (const char *, int, const char *, int, char **);
640 extern int source_full_path_of (const char *, char **);
642 extern void mod_path (char *, char **);
644 extern void add_path (char *, char **, int);
646 extern void directory_command (char *, int);
648 extern void directory_switch (char *, int);
650 extern char *source_path
;
652 extern void init_source_path (void);
656 typedef int (*find_memory_region_ftype
) (CORE_ADDR addr
, unsigned long size
,
657 int read
, int write
, int exec
,
660 /* Take over the 'find_mapped_memory' vector from exec.c. */
661 extern void exec_set_find_memory_regions
662 (int (*func
) (find_memory_region_ftype func
, void *data
));
664 /* Possible lvalue types. Like enum language, this should be in
665 value.h, but needs to be here for the same reason. */
673 /* In a register. Registers are relative to a frame. */
675 /* In a gdb internal variable. */
677 /* Part of a gdb internal variable (structure field). */
678 lval_internalvar_component
,
679 /* Value's bits are fetched and stored using functions provided by
684 /* Control types for commands */
686 enum misc_command_type
694 enum command_control_type
703 while_stepping_control
,
707 /* Structure for saved commands lines
708 (for breakpoints, defined commands, etc). */
712 struct command_line
*next
;
714 enum command_control_type control_type
;
715 /* The number of elements in body_list. */
717 /* For composite commands, the nested lists of commands. For
718 example, for "if" command this will contain the then branch and
719 the else branch, if that is available. */
720 struct command_line
**body_list
;
723 extern struct command_line
*read_command_lines (char *, int, int,
724 void (*)(char *, void *),
726 extern struct command_line
*read_command_lines_1 (char * (*) (void), int,
727 void (*)(char *, void *),
730 extern void free_command_lines (struct command_line
**);
732 /* To continue the execution commands when running gdb asynchronously.
733 A continuation structure contains a pointer to a function to be called
734 to finish the command, once the target has stopped. Such mechanism is
735 used by the finish and until commands, and in the remote protocol
736 when opening an extended-remote connection. */
744 /* Thread specific continuations. */
746 extern void add_continuation (struct thread_info
*,
747 void (*)(void *), void *,
749 extern void do_all_continuations (void);
750 extern void do_all_continuations_thread (struct thread_info
*);
751 extern void discard_all_continuations (void);
752 extern void discard_all_continuations_thread (struct thread_info
*);
754 extern void add_intermediate_continuation (struct thread_info
*,
755 void (*)(void *), void *,
757 extern void do_all_intermediate_continuations (void);
758 extern void do_all_intermediate_continuations_thread (struct thread_info
*);
759 extern void discard_all_intermediate_continuations (void);
760 extern void discard_all_intermediate_continuations_thread (struct thread_info
*);
762 /* Inferior specific (any thread) continuations. */
764 extern void add_inferior_continuation (void (*) (void *),
767 extern void do_all_inferior_continuations (void);
768 extern void discard_all_inferior_continuations (struct inferior
*inf
);
770 /* String containing the current directory (what getwd would return). */
772 extern char *current_directory
;
774 /* Default radixes for input and output. Only some values supported. */
775 extern unsigned input_radix
;
776 extern unsigned output_radix
;
778 /* Possibilities for prettyprint parameters to routines which print
779 things. Like enum language, this should be in value.h, but needs
780 to be here for the same reason. FIXME: If we can eliminate this
781 as an arg to LA_VAL_PRINT, then we can probably move it back to
786 Val_no_prettyprint
= 0,
788 /* Use the default setting which the user has specified. */
792 /* The ptid struct is a collection of the various "ids" necessary
793 for identifying the inferior. This consists of the process id
794 (pid), thread id (tid), and other fields necessary for uniquely
795 identifying the inferior process/thread being debugged. When
796 manipulating ptids, the constructors, accessors, and predicate
797 declared in inferior.h should be used. These are as follows:
799 ptid_build - Make a new ptid from a pid, lwp, and tid.
800 pid_to_ptid - Make a new ptid from just a pid.
801 ptid_get_pid - Fetch the pid component of a ptid.
802 ptid_get_lwp - Fetch the lwp component of a ptid.
803 ptid_get_tid - Fetch the tid component of a ptid.
804 ptid_equal - Test to see if two ptids are equal.
805 ptid_is_pid - Test to see if this ptid represents a process id.
807 Please do NOT access the struct ptid members directly (except, of
808 course, in the implementation of the above ptid manipulation
816 /* Lightweight process id */
823 typedef struct ptid ptid_t
;
827 /* Optional native machine support. Non-native (and possibly pure
828 multi-arch) targets do not need a "nm.h" file. This will be a
829 symlink to one of the nm-*.h files, built by the `configure'
836 /* Assume that fopen accepts the letter "b" in the mode string.
837 It is demanded by ISO C9X, and should be supported on all
838 platforms that claim to have a standard-conforming C library. On
839 true POSIX systems it will be ignored and have no effect. There
840 may still be systems without a standard-conforming C library where
841 an ISO C9X compiler (GCC) is available. Known examples are SunOS
842 4.x and 4.3BSD. This assumption means these systems are no longer
845 # include "fopen-bin.h"
848 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
849 FIXME: Assumes 2's complement arithmetic. */
851 #if !defined (UINT_MAX)
852 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
855 #if !defined (INT_MAX)
856 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
859 #if !defined (INT_MIN)
860 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
863 #if !defined (ULONG_MAX)
864 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
867 #if !defined (LONG_MAX)
868 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
871 #if !defined (ULONGEST_MAX)
872 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
875 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
876 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
879 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
880 arguments to a function, number in a value history, register number, etc.)
881 where the value must not be larger than can fit in an int. */
883 extern int longest_to_int (LONGEST
);
885 /* Assorted functions we can declare, now that const and volatile are
888 extern char *savestring (const char *, size_t);
890 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
892 extern void xfree (void *);
894 /* Like xmalloc, but zero the memory. */
895 extern void *xzalloc (size_t);
897 /* Utility macros to allocate typed memory. Avoids errors like:
898 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
899 sizeof (struct foo), 0). */
900 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
901 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
902 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
904 /* Like asprintf/vasprintf but get an internal_error if the call
906 extern void xasprintf (char **ret
, const char *format
, ...)
907 ATTRIBUTE_PRINTF (2, 3);
908 extern void xvasprintf (char **ret
, const char *format
, va_list ap
)
909 ATTRIBUTE_PRINTF (2, 0);
911 /* Like asprintf and vasprintf, but return the string, throw an error
913 extern char *xstrprintf (const char *format
, ...) ATTRIBUTE_PRINTF (1, 2);
914 extern char *xstrvprintf (const char *format
, va_list ap
)
915 ATTRIBUTE_PRINTF (1, 0);
917 /* Like snprintf, but throw an error if the output buffer is too small. */
918 extern int xsnprintf (char *str
, size_t size
, const char *format
, ...)
919 ATTRIBUTE_PRINTF (3, 4);
921 extern int parse_escape (struct gdbarch
*, char **);
923 /* Message to be printed before the error message, when an error occurs. */
925 extern char *error_pre_print
;
927 /* Message to be printed before the error message, when an error occurs. */
929 extern char *quit_pre_print
;
931 /* Message to be printed before the warning message, when a warning occurs. */
933 extern char *warning_pre_print
;
935 extern void verror (const char *fmt
, va_list ap
)
936 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
938 extern void error (const char *fmt
, ...)
939 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
941 extern void error_stream (struct ui_file
*) ATTRIBUTE_NORETURN
;
943 extern void vfatal (const char *fmt
, va_list ap
)
944 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
946 extern void fatal (const char *fmt
, ...)
947 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
949 extern void internal_verror (const char *file
, int line
, const char *,
951 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (3, 0);
953 extern void internal_error (const char *file
, int line
, const char *, ...)
954 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (3, 4);
956 extern void internal_vwarning (const char *file
, int line
,
957 const char *, va_list ap
)
958 ATTRIBUTE_PRINTF (3, 0);
960 extern void internal_warning (const char *file
, int line
,
961 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
963 extern void nomem (long) ATTRIBUTE_NORETURN
;
965 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
967 extern void vwarning (const char *, va_list args
) ATTRIBUTE_PRINTF (1, 0);
969 /* List of known OS ABIs. If you change this, make sure to update the
973 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
975 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
982 GDB_OSABI_FREEBSD_AOUT
,
983 GDB_OSABI_FREEBSD_ELF
,
984 GDB_OSABI_NETBSD_AOUT
,
985 GDB_OSABI_NETBSD_ELF
,
986 GDB_OSABI_OPENBSD_ELF
,
1000 GDB_OSABI_INVALID
/* keep this last */
1003 /* Global functions from other, non-gdb GNU thingies.
1004 Libiberty thingies are no longer declared here. We include libiberty.h
1007 /* From other system libraries */
1009 #ifdef HAVE_STDDEF_H
1013 #ifdef HAVE_STDLIB_H
1017 #define min(a, b) ((a) < (b) ? (a) : (b))
1020 #define max(a, b) ((a) > (b) ? (a) : (b))
1025 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1028 /* Various possibilities for alloca. */
1031 #define alloca __builtin_alloca
1032 #else /* Not GNU C */
1033 #ifdef HAVE_ALLOCA_H
1040 /* We need to be careful not to declare this in a way which conflicts with
1041 bison. Bison never declares it as char *, but under various circumstances
1042 (like __hpux) we need to use void *. */
1043 extern void *alloca ();
1044 #endif /* Not _AIX */
1045 #endif /* Not HAVE_ALLOCA_H */
1046 #endif /* Not GNU C */
1047 #endif /* alloca not defined */
1049 /* Dynamic target-system-dependent parameters for GDB. */
1050 #include "gdbarch.h"
1052 /* Maximum size of a register. Something small, but large enough for
1053 all known ISAs. If it turns out to be too small, make it bigger. */
1055 enum { MAX_REGISTER_SIZE
= 64 };
1057 /* Static target-system-dependent parameters for GDB. */
1059 /* Number of bits in a char or unsigned char for the target machine.
1060 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1061 #if !defined (TARGET_CHAR_BIT)
1062 #define TARGET_CHAR_BIT 8
1065 /* If we picked up a copy of CHAR_BIT from a configuration file
1066 (which may get it by including <limits.h>) then use it to set
1067 the number of bits in a host char. If not, use the same size
1070 #if defined (CHAR_BIT)
1071 #define HOST_CHAR_BIT CHAR_BIT
1073 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1078 extern LONGEST
extract_signed_integer (const gdb_byte
*, int,
1081 extern ULONGEST
extract_unsigned_integer (const gdb_byte
*, int,
1084 extern int extract_long_unsigned_integer (const gdb_byte
*, int,
1085 enum bfd_endian
, LONGEST
*);
1087 extern CORE_ADDR
extract_typed_address (const gdb_byte
*buf
,
1090 extern void store_signed_integer (gdb_byte
*, int,
1091 enum bfd_endian
, LONGEST
);
1093 extern void store_unsigned_integer (gdb_byte
*, int,
1094 enum bfd_endian
, ULONGEST
);
1096 extern void store_typed_address (gdb_byte
*buf
, struct type
*type
,
1102 extern int watchdog
;
1104 /* Hooks for alternate command interfaces. */
1106 /* The name of the interpreter if specified on the command line. */
1107 extern char *interpreter_p
;
1109 /* If a given interpreter matches INTERPRETER_P then it should update
1110 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1111 per-interpreter implementation. */
1112 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1113 should be moved here. */
1115 struct target_waitstatus
;
1116 struct cmd_list_element
;
1118 extern void (*deprecated_pre_add_symbol_hook
) (const char *);
1119 extern void (*deprecated_post_add_symbol_hook
) (void);
1120 extern void (*selected_frame_level_changed_hook
) (int);
1121 extern int (*deprecated_ui_loop_hook
) (int signo
);
1122 extern void (*deprecated_init_ui_hook
) (char *argv0
);
1123 extern void (*deprecated_command_loop_hook
) (void);
1124 extern void (*deprecated_show_load_progress
) (const char *section
,
1125 unsigned long section_sent
,
1126 unsigned long section_size
,
1127 unsigned long total_sent
,
1128 unsigned long total_size
);
1129 extern void (*deprecated_print_frame_info_listing_hook
) (struct symtab
* s
,
1133 extern int (*deprecated_query_hook
) (const char *, va_list)
1134 ATTRIBUTE_FPTR_PRINTF(1,0);
1135 extern void (*deprecated_warning_hook
) (const char *, va_list)
1136 ATTRIBUTE_FPTR_PRINTF(1,0);
1137 extern void (*deprecated_flush_hook
) (struct ui_file
* stream
);
1138 extern void (*deprecated_interactive_hook
) (void);
1139 extern void (*deprecated_readline_begin_hook
) (char *, ...)
1140 ATTRIBUTE_FPTR_PRINTF_1
;
1141 extern char *(*deprecated_readline_hook
) (char *);
1142 extern void (*deprecated_readline_end_hook
) (void);
1143 extern void (*deprecated_register_changed_hook
) (int regno
);
1144 extern void (*deprecated_context_hook
) (int);
1145 extern ptid_t (*deprecated_target_wait_hook
) (ptid_t ptid
,
1146 struct target_waitstatus
*status
,
1149 extern void (*deprecated_attach_hook
) (void);
1150 extern void (*deprecated_detach_hook
) (void);
1151 extern void (*deprecated_call_command_hook
) (struct cmd_list_element
* c
,
1152 char *cmd
, int from_tty
);
1154 extern void (*deprecated_set_hook
) (struct cmd_list_element
* c
);
1156 extern void (*deprecated_error_begin_hook
) (void);
1158 extern int (*deprecated_ui_load_progress_hook
) (const char *section
,
1162 /* Inhibit window interface if non-zero. */
1164 extern int use_windows
;
1166 /* Definitions of filename-related things. */
1168 /* Host specific things. */
1172 # define GLOBAL_CURDIR
1173 # define DIRNAME_SEPARATOR ';'
1176 #if !defined (__CYGWIN__) && defined (_WIN32)
1177 # define DIRNAME_SEPARATOR ';'
1180 #ifndef DIRNAME_SEPARATOR
1181 #define DIRNAME_SEPARATOR ':'
1184 #ifndef SLASH_STRING
1185 #define SLASH_STRING "/"
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 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1218 power of 2). Round up/down when necessary. Examples of correct
1221 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1222 write_memory (addr, value, len);
1227 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1228 write_memory (sp, value, len);
1230 Note that uses such as:
1232 write_memory (addr, value, len);
1233 addr += align_up (len, 8);
1237 sp -= align_up (len, 8);
1238 write_memory (sp, value, len);
1240 are typically not correct as they don't ensure that the address (SP
1241 or ADDR) is correctly aligned (relying on previous alignment to
1242 keep things right). This is also why the methods are called
1243 "align_..." instead of "round_..." as the latter reads better with
1244 this incorrect coding style. */
1246 extern ULONGEST
align_up (ULONGEST v
, int n
);
1247 extern ULONGEST
align_down (ULONGEST v
, int n
);
1249 /* Allocation and deallocation functions for the libiberty hash table
1250 which use obstacks. */
1251 void *hashtab_obstack_allocate (void *data
, size_t size
, size_t count
);
1252 void dummy_obstack_deallocate (void *object
, void *data
);
1254 /* From progspace.c */
1256 extern void initialize_progspace (void);
1257 extern void initialize_inferiors (void);
1259 /* Special block numbers */
1265 FIRST_LOCAL_BLOCK
= 2
1268 #endif /* #ifndef DEFS_H */