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
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 /* vec.h-style vectors of strings want a typedef for char * . */
276 typedef char * char_ptr
;
278 /* Needed for various prototypes */
287 /* This really belong in utils.c (path-utils.c?), but it references some
288 globals that are currently only available to main.c. */
289 extern char *relocate_gdb_directory (const char *initial
, int flag
);
293 extern void initialize_utils (void);
295 extern void notice_quit (void);
297 extern int strcmp_iw (const char *, const char *);
299 extern int strcmp_iw_ordered (const char *, const char *);
301 extern int streq (const char *, const char *);
303 extern int subset_compare (char *, char *);
305 extern char *safe_strerror (int);
307 extern void set_display_time (int);
309 extern void set_display_space (int);
311 #define ALL_CLEANUPS ((struct cleanup *)0)
313 extern void do_cleanups (struct cleanup
*);
314 extern void do_final_cleanups (struct cleanup
*);
316 extern void discard_cleanups (struct cleanup
*);
317 extern void discard_final_cleanups (struct cleanup
*);
318 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
320 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
321 make_cleanup function declarations below. Do not use this typedef
322 as a cast when passing functions into the make_cleanup() code.
323 Instead either use a bounce function or add a wrapper function.
324 Calling a f(char*) function with f(void*) is non-portable. */
325 typedef void (make_cleanup_ftype
) (void *);
327 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
329 extern struct cleanup
*make_cleanup_dtor (make_cleanup_ftype
*, void *,
330 void (*dtor
) (void *));
332 extern struct cleanup
*make_cleanup_freeargv (char **);
335 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
338 extern struct cleanup
*
339 make_cleanup_ui_out_redirect_pop (struct ui_out
*uiout
);
341 struct section_addr_info
;
342 extern struct cleanup
*(make_cleanup_free_section_addr_info
343 (struct section_addr_info
*));
345 extern struct cleanup
*make_cleanup_close (int fd
);
347 extern struct cleanup
*make_cleanup_fclose (FILE *file
);
349 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
352 extern struct cleanup
*make_cleanup_obstack_free (struct obstack
*obstack
);
354 extern struct cleanup
*make_cleanup_restore_integer (int *variable
);
355 extern struct cleanup
*make_cleanup_restore_uinteger (unsigned int *variable
);
358 extern struct cleanup
*make_cleanup_unpush_target (struct target_ops
*ops
);
360 extern struct cleanup
*
361 make_cleanup_restore_ui_file (struct ui_file
**variable
);
363 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
365 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
366 make_cleanup_ftype
*, void *);
368 extern struct cleanup
*make_my_cleanup2 (struct cleanup
**,
369 make_cleanup_ftype
*, void *,
370 void (*free_arg
) (void *));
372 extern struct cleanup
*save_cleanups (void);
373 extern struct cleanup
*save_final_cleanups (void);
374 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
376 extern void restore_cleanups (struct cleanup
*);
377 extern void restore_final_cleanups (struct cleanup
*);
378 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
380 extern void free_current_contents (void *);
382 extern void null_cleanup (void *);
384 extern struct cleanup
*make_command_stats_cleanup (int);
386 extern int myread (int, char *, int);
388 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
389 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
390 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
392 extern void init_page_info (void);
394 extern struct cleanup
*make_cleanup_restore_page_info (void);
395 extern struct cleanup
*
396 set_batch_flag_and_make_cleanup_restore_page_info (void);
398 extern char *gdb_realpath (const char *);
399 extern char *xfullpath (const char *);
401 extern unsigned long gnu_debuglink_crc32 (unsigned long crc
,
402 unsigned char *buf
, size_t len
);
404 ULONGEST
strtoulst (const char *num
, const char **trailer
, int base
);
406 char *ldirname (const char *filename
);
408 char **gdb_buildargv (const char *);
410 int compare_positive_ints (const void *ap
, const void *bp
);
412 /* A wrapper for bfd_errmsg to produce a more helpful error message
413 in the case of bfd_error_file_ambiguously recognized.
414 MATCHING, if non-NULL, is the corresponding argument to
415 bfd_check_format_matches, and will be freed. */
417 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag
, char **matching
);
419 extern int parse_pid_to_attach (char *args
);
421 /* From demangle.c */
423 extern void set_demangling_style (char *);
426 /* Annotation stuff. */
428 extern int annotation_level
; /* in stack.c */
430 extern void begin_line (void);
432 extern void wrap_here (char *);
434 extern void reinitialize_more_filter (void);
437 extern struct ui_file
*gdb_stdout
;
439 extern struct ui_file
*gdb_stdin
;
440 /* Serious error notifications */
441 extern struct ui_file
*gdb_stderr
;
442 /* Log/debug/trace messages that should bypass normal stdout/stderr
443 filtering. For moment, always call this stream using
444 *_unfiltered. In the very near future that restriction shall be
445 removed - either call shall be unfiltered. (cagney 1999-06-13). */
446 extern struct ui_file
*gdb_stdlog
;
447 /* Target output that should bypass normal stdout/stderr filtering.
448 For moment, always call this stream using *_unfiltered. In the
449 very near future that restriction shall be removed - either call
450 shall be unfiltered. (cagney 1999-07-02). */
451 extern struct ui_file
*gdb_stdtarg
;
452 extern struct ui_file
*gdb_stdtargerr
;
453 extern struct ui_file
*gdb_stdtargin
;
457 /* More generic printf like operations. Filtered versions may return
458 non-locally on error. */
460 extern void fputs_filtered (const char *, struct ui_file
*);
462 extern void fputs_unfiltered (const char *, struct ui_file
*);
464 extern int fputc_filtered (int c
, struct ui_file
*);
466 extern int fputc_unfiltered (int c
, struct ui_file
*);
468 extern int putchar_filtered (int c
);
470 extern int putchar_unfiltered (int c
);
472 extern void puts_filtered (const char *);
474 extern void puts_unfiltered (const char *);
476 extern void puts_filtered_tabular (char *string
, int width
, int right
);
478 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
480 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
482 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list)
483 ATTRIBUTE_PRINTF (2, 0);
485 extern void fprintf_filtered (struct ui_file
*, const char *, ...)
486 ATTRIBUTE_PRINTF (2, 3);
488 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...)
489 ATTRIBUTE_PRINTF (3, 4);
491 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
493 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
495 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
497 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list)
498 ATTRIBUTE_PRINTF (2, 0);
500 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...)
501 ATTRIBUTE_PRINTF (2, 3);
503 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
505 extern void print_spaces (int, struct ui_file
*);
507 extern void print_spaces_filtered (int, struct ui_file
*);
509 extern char *n_spaces (int);
511 extern void fputstr_filtered (const char *str
, int quotr
,
512 struct ui_file
* stream
);
514 extern void fputstr_unfiltered (const char *str
, int quotr
,
515 struct ui_file
* stream
);
517 extern void fputstrn_filtered (const char *str
, int n
, int quotr
,
518 struct ui_file
* stream
);
520 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
,
521 struct ui_file
* stream
);
523 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
524 extern void gdb_print_host_address (const void *addr
, struct ui_file
*stream
);
526 extern const char *host_address_to_string (const void *addr
);
528 /* Convert CORE_ADDR to string in platform-specific manner.
529 This is usually formatted similar to 0x%lx. */
530 extern const char *paddress (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
532 /* Return a string representation in hexadecimal notation of ADDRESS,
533 which is suitable for printing. */
535 extern const char *print_core_address (struct gdbarch
*gdbarch
,
539 extern char *plongest (LONGEST l
);
540 /* %u for ULONGEST */
541 extern char *pulongest (ULONGEST l
);
543 extern char *phex (ULONGEST l
, int sizeof_l
);
544 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
545 extern char *int_string (LONGEST
, int, int, int, int);
547 /* Convert a CORE_ADDR into a HEX string with leading zeros.
548 The output from core_addr_to_string() can be passed direct to
549 string_to_core_addr(). */
550 extern const char *core_addr_to_string (const CORE_ADDR addr
);
551 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
552 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
554 /* Return a string that contains a number formatted as a hex
556 extern char *hex_string (LONGEST
);
557 extern char *hex_string_custom (LONGEST
, int);
559 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
562 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN
;
564 extern void print_sys_errmsg (const char *, int);
566 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
567 "const char *" in unistd.h, so we can't declare the argument
570 extern char *re_comp (const char *);
574 extern void symbol_file_command (char *, int);
576 /* Remote targets may wish to use this as their load function. */
577 extern void generic_load (char *name
, int from_tty
);
579 /* Report on STREAM the performance of memory transfer operation,
581 DATA_COUNT is the number of bytes transferred.
582 WRITE_COUNT is the number of separate write operations, or 0,
583 if that information is not available.
584 START_TIME is the time at which an operation was started.
585 END_TIME is the time at which an operation ended. */
587 extern void print_transfer_performance (struct ui_file
*stream
,
588 unsigned long data_count
,
589 unsigned long write_count
,
590 const struct timeval
*start_time
,
591 const struct timeval
*end_time
);
595 typedef void initialize_file_ftype (void);
597 extern char *skip_quoted (char *);
599 extern char *gdb_readline (char *);
601 extern char *gdb_readline_wrapper (char *);
603 extern char *command_line_input (char *, int, char *);
605 extern void print_prompt (void);
607 extern int input_from_terminal_p (void);
609 extern int info_verbose
;
611 /* From printcmd.c */
613 extern void set_next_address (struct gdbarch
*, CORE_ADDR
);
615 extern void print_address_symbolic (struct gdbarch
*, CORE_ADDR
,
616 struct ui_file
*, int, char *);
618 extern int build_address_symbolic (struct gdbarch
*,
627 extern void print_address (struct gdbarch
*, CORE_ADDR
, struct ui_file
*);
628 extern const char *pc_prefix (CORE_ADDR
);
632 #define OPF_TRY_CWD_FIRST 0x01
633 #define OPF_SEARCH_IN_PATH 0x02
635 extern int openp (const char *, int, const char *, int, char **);
637 extern int source_full_path_of (const char *, char **);
639 extern void mod_path (char *, char **);
641 extern void add_path (char *, char **, int);
643 extern void directory_command (char *, int);
645 extern void directory_switch (char *, int);
647 extern char *source_path
;
649 extern void init_source_path (void);
653 typedef int (*find_memory_region_ftype
) (CORE_ADDR addr
, unsigned long size
,
654 int read
, int write
, int exec
,
657 /* Take over the 'find_mapped_memory' vector from exec.c. */
658 extern void exec_set_find_memory_regions
659 (int (*func
) (find_memory_region_ftype func
, void *data
));
661 /* Possible lvalue types. Like enum language, this should be in
662 value.h, but needs to be here for the same reason. */
670 /* In a register. Registers are relative to a frame. */
672 /* In a gdb internal variable. */
674 /* Part of a gdb internal variable (structure field). */
675 lval_internalvar_component
,
676 /* Value's bits are fetched and stored using functions provided by
681 /* Control types for commands */
683 enum misc_command_type
691 enum command_control_type
700 while_stepping_control
,
704 /* Structure for saved commands lines
705 (for breakpoints, defined commands, etc). */
709 struct command_line
*next
;
711 enum command_control_type control_type
;
712 /* The number of elements in body_list. */
714 /* For composite commands, the nested lists of commands. For
715 example, for "if" command this will contain the then branch and
716 the else branch, if that is available. */
717 struct command_line
**body_list
;
720 extern struct command_line
*read_command_lines (char *, int, int,
721 void (*)(char *, void *),
723 extern struct command_line
*read_command_lines_1 (char * (*) (void), int,
724 void (*)(char *, void *),
727 extern void free_command_lines (struct command_line
**);
729 /* To continue the execution commands when running gdb asynchronously.
730 A continuation structure contains a pointer to a function to be called
731 to finish the command, once the target has stopped. Such mechanism is
732 used by the finish and until commands, and in the remote protocol
733 when opening an extended-remote connection. */
741 /* Thread specific continuations. */
743 extern void add_continuation (struct thread_info
*,
744 void (*)(void *), void *,
746 extern void do_all_continuations (void);
747 extern void do_all_continuations_thread (struct thread_info
*);
748 extern void discard_all_continuations (void);
749 extern void discard_all_continuations_thread (struct thread_info
*);
751 extern void add_intermediate_continuation (struct thread_info
*,
752 void (*)(void *), void *,
754 extern void do_all_intermediate_continuations (void);
755 extern void do_all_intermediate_continuations_thread (struct thread_info
*);
756 extern void discard_all_intermediate_continuations (void);
757 extern void discard_all_intermediate_continuations_thread (struct thread_info
*);
759 /* Inferior specific (any thread) continuations. */
761 extern void add_inferior_continuation (void (*) (void *),
764 extern void do_all_inferior_continuations (void);
765 extern void discard_all_inferior_continuations (struct inferior
*inf
);
767 /* String containing the current directory (what getwd would return). */
769 extern char *current_directory
;
771 /* Default radixes for input and output. Only some values supported. */
772 extern unsigned input_radix
;
773 extern unsigned output_radix
;
775 /* Possibilities for prettyprint parameters to routines which print
776 things. Like enum language, this should be in value.h, but needs
777 to be here for the same reason. FIXME: If we can eliminate this
778 as an arg to LA_VAL_PRINT, then we can probably move it back to
783 Val_no_prettyprint
= 0,
785 /* Use the default setting which the user has specified. */
789 /* The ptid struct is a collection of the various "ids" necessary
790 for identifying the inferior. This consists of the process id
791 (pid), thread id (tid), and other fields necessary for uniquely
792 identifying the inferior process/thread being debugged. When
793 manipulating ptids, the constructors, accessors, and predicate
794 declared in inferior.h should be used. These are as follows:
796 ptid_build - Make a new ptid from a pid, lwp, and tid.
797 pid_to_ptid - Make a new ptid from just a pid.
798 ptid_get_pid - Fetch the pid component of a ptid.
799 ptid_get_lwp - Fetch the lwp component of a ptid.
800 ptid_get_tid - Fetch the tid component of a ptid.
801 ptid_equal - Test to see if two ptids are equal.
802 ptid_is_pid - Test to see if this ptid represents a process id.
804 Please do NOT access the struct ptid members directly (except, of
805 course, in the implementation of the above ptid manipulation
813 /* Lightweight process id */
820 typedef struct ptid ptid_t
;
824 /* Optional native machine support. Non-native (and possibly pure
825 multi-arch) targets do not need a "nm.h" file. This will be a
826 symlink to one of the nm-*.h files, built by the `configure'
833 /* Assume that fopen accepts the letter "b" in the mode string.
834 It is demanded by ISO C9X, and should be supported on all
835 platforms that claim to have a standard-conforming C library. On
836 true POSIX systems it will be ignored and have no effect. There
837 may still be systems without a standard-conforming C library where
838 an ISO C9X compiler (GCC) is available. Known examples are SunOS
839 4.x and 4.3BSD. This assumption means these systems are no longer
842 # include "fopen-bin.h"
845 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
846 FIXME: Assumes 2's complement arithmetic. */
848 #if !defined (UINT_MAX)
849 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
852 #if !defined (INT_MAX)
853 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
856 #if !defined (INT_MIN)
857 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
860 #if !defined (ULONG_MAX)
861 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
864 #if !defined (LONG_MAX)
865 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
868 #if !defined (ULONGEST_MAX)
869 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
872 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
873 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
876 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
877 arguments to a function, number in a value history, register number, etc.)
878 where the value must not be larger than can fit in an int. */
880 extern int longest_to_int (LONGEST
);
882 /* Assorted functions we can declare, now that const and volatile are
885 extern char *savestring (const char *, size_t);
887 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
889 extern void xfree (void *);
891 /* Like xmalloc, but zero the memory. */
892 extern void *xzalloc (size_t);
894 /* Utility macros to allocate typed memory. Avoids errors like:
895 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
896 sizeof (struct foo), 0). */
897 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
898 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
899 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
901 /* Like asprintf/vasprintf but get an internal_error if the call
903 extern void xasprintf (char **ret
, const char *format
, ...)
904 ATTRIBUTE_PRINTF (2, 3);
905 extern void xvasprintf (char **ret
, const char *format
, va_list ap
)
906 ATTRIBUTE_PRINTF (2, 0);
908 /* Like asprintf and vasprintf, but return the string, throw an error
910 extern char *xstrprintf (const char *format
, ...) ATTRIBUTE_PRINTF (1, 2);
911 extern char *xstrvprintf (const char *format
, va_list ap
)
912 ATTRIBUTE_PRINTF (1, 0);
914 /* Like snprintf, but throw an error if the output buffer is too small. */
915 extern int xsnprintf (char *str
, size_t size
, const char *format
, ...)
916 ATTRIBUTE_PRINTF (3, 4);
918 extern int parse_escape (struct gdbarch
*, char **);
920 /* Message to be printed before the error message, when an error occurs. */
922 extern char *error_pre_print
;
924 /* Message to be printed before the error message, when an error occurs. */
926 extern char *quit_pre_print
;
928 /* Message to be printed before the warning message, when a warning occurs. */
930 extern char *warning_pre_print
;
932 extern void verror (const char *fmt
, va_list ap
)
933 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
935 extern void error (const char *fmt
, ...)
936 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
938 extern void error_stream (struct ui_file
*) ATTRIBUTE_NORETURN
;
940 extern void vfatal (const char *fmt
, va_list ap
)
941 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 0);
943 extern void fatal (const char *fmt
, ...)
944 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (1, 2);
946 extern void internal_verror (const char *file
, int line
, const char *,
948 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (3, 0);
950 extern void internal_error (const char *file
, int line
, const char *, ...)
951 ATTRIBUTE_NORETURN
ATTRIBUTE_PRINTF (3, 4);
953 extern void internal_vwarning (const char *file
, int line
,
954 const char *, va_list ap
)
955 ATTRIBUTE_PRINTF (3, 0);
957 extern void internal_warning (const char *file
, int line
,
958 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
960 extern void nomem (long) ATTRIBUTE_NORETURN
;
962 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
964 extern void vwarning (const char *, va_list args
) ATTRIBUTE_PRINTF (1, 0);
966 /* List of known OS ABIs. If you change this, make sure to update the
970 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
972 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
979 GDB_OSABI_FREEBSD_AOUT
,
980 GDB_OSABI_FREEBSD_ELF
,
981 GDB_OSABI_NETBSD_AOUT
,
982 GDB_OSABI_NETBSD_ELF
,
983 GDB_OSABI_OPENBSD_ELF
,
997 GDB_OSABI_INVALID
/* keep this last */
1000 /* Global functions from other, non-gdb GNU thingies.
1001 Libiberty thingies are no longer declared here. We include libiberty.h
1004 /* From other system libraries */
1006 #ifdef HAVE_STDDEF_H
1010 #ifdef HAVE_STDLIB_H
1014 #define min(a, b) ((a) < (b) ? (a) : (b))
1017 #define max(a, b) ((a) > (b) ? (a) : (b))
1022 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1025 /* Various possibilities for alloca. */
1028 #define alloca __builtin_alloca
1029 #else /* Not GNU C */
1030 #ifdef HAVE_ALLOCA_H
1037 /* We need to be careful not to declare this in a way which conflicts with
1038 bison. Bison never declares it as char *, but under various circumstances
1039 (like __hpux) we need to use void *. */
1040 extern void *alloca ();
1041 #endif /* Not _AIX */
1042 #endif /* Not HAVE_ALLOCA_H */
1043 #endif /* Not GNU C */
1044 #endif /* alloca not defined */
1046 /* Dynamic target-system-dependent parameters for GDB. */
1047 #include "gdbarch.h"
1049 /* Maximum size of a register. Something small, but large enough for
1050 all known ISAs. If it turns out to be too small, make it bigger. */
1052 enum { MAX_REGISTER_SIZE
= 64 };
1054 /* Static target-system-dependent parameters for GDB. */
1056 /* Number of bits in a char or unsigned char for the target machine.
1057 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1058 #if !defined (TARGET_CHAR_BIT)
1059 #define TARGET_CHAR_BIT 8
1062 /* If we picked up a copy of CHAR_BIT from a configuration file
1063 (which may get it by including <limits.h>) then use it to set
1064 the number of bits in a host char. If not, use the same size
1067 #if defined (CHAR_BIT)
1068 #define HOST_CHAR_BIT CHAR_BIT
1070 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1075 extern LONGEST
extract_signed_integer (const gdb_byte
*, int,
1078 extern ULONGEST
extract_unsigned_integer (const gdb_byte
*, int,
1081 extern int extract_long_unsigned_integer (const gdb_byte
*, int,
1082 enum bfd_endian
, LONGEST
*);
1084 extern CORE_ADDR
extract_typed_address (const gdb_byte
*buf
,
1087 extern void store_signed_integer (gdb_byte
*, int,
1088 enum bfd_endian
, LONGEST
);
1090 extern void store_unsigned_integer (gdb_byte
*, int,
1091 enum bfd_endian
, ULONGEST
);
1093 extern void store_typed_address (gdb_byte
*buf
, struct type
*type
,
1099 extern int watchdog
;
1101 /* Hooks for alternate command interfaces. */
1103 /* The name of the interpreter if specified on the command line. */
1104 extern char *interpreter_p
;
1106 /* If a given interpreter matches INTERPRETER_P then it should update
1107 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1108 per-interpreter implementation. */
1109 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1110 should be moved here. */
1112 struct target_waitstatus
;
1113 struct cmd_list_element
;
1115 extern void (*deprecated_pre_add_symbol_hook
) (const char *);
1116 extern void (*deprecated_post_add_symbol_hook
) (void);
1117 extern void (*selected_frame_level_changed_hook
) (int);
1118 extern int (*deprecated_ui_loop_hook
) (int signo
);
1119 extern void (*deprecated_init_ui_hook
) (char *argv0
);
1120 extern void (*deprecated_command_loop_hook
) (void);
1121 extern void (*deprecated_show_load_progress
) (const char *section
,
1122 unsigned long section_sent
,
1123 unsigned long section_size
,
1124 unsigned long total_sent
,
1125 unsigned long total_size
);
1126 extern void (*deprecated_print_frame_info_listing_hook
) (struct symtab
* s
,
1130 extern int (*deprecated_query_hook
) (const char *, va_list)
1131 ATTRIBUTE_FPTR_PRINTF(1,0);
1132 extern void (*deprecated_warning_hook
) (const char *, va_list)
1133 ATTRIBUTE_FPTR_PRINTF(1,0);
1134 extern void (*deprecated_flush_hook
) (struct ui_file
* stream
);
1135 extern void (*deprecated_interactive_hook
) (void);
1136 extern void (*deprecated_readline_begin_hook
) (char *, ...)
1137 ATTRIBUTE_FPTR_PRINTF_1
;
1138 extern char *(*deprecated_readline_hook
) (char *);
1139 extern void (*deprecated_readline_end_hook
) (void);
1140 extern void (*deprecated_register_changed_hook
) (int regno
);
1141 extern void (*deprecated_context_hook
) (int);
1142 extern ptid_t (*deprecated_target_wait_hook
) (ptid_t ptid
,
1143 struct target_waitstatus
*status
,
1146 extern void (*deprecated_attach_hook
) (void);
1147 extern void (*deprecated_detach_hook
) (void);
1148 extern void (*deprecated_call_command_hook
) (struct cmd_list_element
* c
,
1149 char *cmd
, int from_tty
);
1151 extern void (*deprecated_set_hook
) (struct cmd_list_element
* c
);
1153 extern void (*deprecated_error_begin_hook
) (void);
1155 extern int (*deprecated_ui_load_progress_hook
) (const char *section
,
1159 /* Inhibit window interface if non-zero. */
1161 extern int use_windows
;
1163 /* Definitions of filename-related things. */
1165 /* Host specific things. */
1169 # define GLOBAL_CURDIR
1170 # define DIRNAME_SEPARATOR ';'
1173 #if !defined (__CYGWIN__) && defined (_WIN32)
1174 # define DIRNAME_SEPARATOR ';'
1177 #ifndef DIRNAME_SEPARATOR
1178 #define DIRNAME_SEPARATOR ':'
1181 #ifndef SLASH_STRING
1182 #define SLASH_STRING "/"
1185 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1186 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1187 in the code actually refer to a lightweight process id, i.e,
1188 something that can be considered a process id in its own right for
1189 certain purposes. */
1192 #define PIDGET(PTID) (ptid_get_pid (PTID))
1193 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1194 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1197 /* Define well known filenos if the system does not define them. */
1198 #ifndef STDIN_FILENO
1199 #define STDIN_FILENO 0
1201 #ifndef STDOUT_FILENO
1202 #define STDOUT_FILENO 1
1204 #ifndef STDERR_FILENO
1205 #define STDERR_FILENO 2
1208 /* If this definition isn't overridden by the header files, assume
1209 that isatty and fileno exist on this system. */
1211 #define ISATTY(FP) (isatty (fileno (FP)))
1214 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1215 power of 2). Round up/down when necessary. Examples of correct
1218 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1219 write_memory (addr, value, len);
1224 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1225 write_memory (sp, value, len);
1227 Note that uses such as:
1229 write_memory (addr, value, len);
1230 addr += align_up (len, 8);
1234 sp -= align_up (len, 8);
1235 write_memory (sp, value, len);
1237 are typically not correct as they don't ensure that the address (SP
1238 or ADDR) is correctly aligned (relying on previous alignment to
1239 keep things right). This is also why the methods are called
1240 "align_..." instead of "round_..." as the latter reads better with
1241 this incorrect coding style. */
1243 extern ULONGEST
align_up (ULONGEST v
, int n
);
1244 extern ULONGEST
align_down (ULONGEST v
, int n
);
1246 /* Allocation and deallocation functions for the libiberty hash table
1247 which use obstacks. */
1248 void *hashtab_obstack_allocate (void *data
, size_t size
, size_t count
);
1249 void dummy_obstack_deallocate (void *object
, void *data
);
1251 /* From progspace.c */
1253 extern void initialize_progspace (void);
1254 extern void initialize_inferiors (void);
1256 /* Special block numbers */
1262 FIRST_LOCAL_BLOCK
= 2
1265 #endif /* #ifndef DEFS_H */