1 /* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
2 /* Basic, host-specific, and target-specific definitions for GDB.
3 Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
4 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
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., 51 Franklin Street, Fifth Floor,
22 Boston, MA 02110-1301, USA. */
27 #include "config.h" /* Generated by configure. */
29 #include <sys/types.h>
31 #include <errno.h> /* System call error return status. */
44 /* First include ansidecl.h so we can use the various macro definitions
45 here and in all subsequent file inclusions. */
49 #include "gdb_locale.h"
51 /* For ``enum target_signal''. */
52 #include "gdb/signals.h"
54 /* Just in case they're not defined in stdio.h. */
63 /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
64 It is used as an access modifier in calls to open(), where it acts
65 similarly to the "b" character in fopen()'s MODE argument. On Posix
66 platforms it should be a no-op, so it is defined as 0 here. This
67 ensures that the symbol may be used freely elsewhere in gdb. */
73 #include <stdarg.h> /* For va_list. */
75 #include "libiberty.h"
77 /* Rather than duplicate all the logic in BFD for figuring out what
78 types to use (which can be pretty complicated), symply define them
79 in terms of the corresponding type from BFD. */
83 /* A byte from the program being debugged. */
84 typedef bfd_byte gdb_byte
;
86 /* An address in the program being debugged. Host byte order. */
87 typedef bfd_vma CORE_ADDR
;
89 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
95 #define LONGEST BFD_HOST_64_BIT
96 #define ULONGEST BFD_HOST_U_64_BIT
100 #ifdef CC_HAS_LONG_LONG
101 #define LONGEST long long
102 #define ULONGEST unsigned long long
104 #ifdef BFD_HOST_64_BIT
105 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
106 (e.g. i386-windows) so try it. */
107 #define LONGEST BFD_HOST_64_BIT
108 #define ULONGEST BFD_HOST_U_64_BIT
111 #define ULONGEST unsigned long
115 #endif /* No BFD64 */
117 #endif /* ! LONGEST */
120 #define min(a, b) ((a) < (b) ? (a) : (b))
123 #define max(a, b) ((a) > (b) ? (a) : (b))
126 /* Macros to do string compares.
128 NOTE: cagney/2000-03-14:
130 While old code can continue to refer to these macros, new code is
131 probably better off using strcmp() directly vis: ``strcmp() == 0''
132 and ``strcmp() != 0''.
134 This is because modern compilers can directly inline strcmp()
135 making the original justification for these macros - avoid function
136 call overhead by pre-testing the first characters
137 (``*X==*Y?...:0'') - redundant.
139 ``Even if [...] testing the first character does have a modest
140 performance improvement, I'd rather that whenever a performance
141 issue is found that we spend the effort on algorithmic
142 optimizations than micro-optimizing.'' J.T. */
144 /* NOTE: cagney/2003-11-23: All instances of STREQ[N] covered by
145 testing GDB on a stabs system have been replaced by equivalent
146 str[n]cmp calls. To avoid the possability of introducing bugs when
147 making untested changes, the remaining references were deprecated
148 rather than replaced. */
150 /* DISCLAIMER: cagney/2003-11-23: Simplified definition of these
151 macros so that they just map directly onto strcmp equivalent. I'm
152 not responsible for any breakage due to code that relied on the old
153 underlying implementation. */
155 #define DEPRECATED_STREQ(a,b) (strcmp ((a), (b)) == 0)
156 #define DEPRECATED_STREQN(a,b,c) (strncmp ((a), (b), (c)) == 0)
158 /* Check if a character is one of the commonly used C++ marker characters. */
159 extern int is_cplus_marker (int);
161 /* enable xdb commands if set */
162 extern int xdb_commands
;
164 /* enable dbx commands if set */
165 extern int dbx_commands
;
167 /* System root path, used to find libraries etc. */
168 extern char *gdb_sysroot
;
170 /* Search path for separate debug files. */
171 extern char *debug_file_directory
;
173 extern int quit_flag
;
174 extern int immediate_quit
;
175 extern int sevenbit_strings
;
177 extern void quit (void);
179 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
180 benefits of having a ``QUIT'' macro rather than a function are
181 marginal. If the overhead of a QUIT function call is proving
182 significant then its calling frequency should probably be reduced
183 [kingdon]. A profile analyzing the current situtation is
187 /* do twice to force compiler warning */
188 #define QUIT_FIXME "FIXME"
189 #define QUIT_FIXME "ignoring redefinition of QUIT"
192 if (quit_flag) quit (); \
193 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
197 /* Languages represented in the symbol table and elsewhere.
198 This should probably be in language.h, but since enum's can't
199 be forward declared to satisfy opaque references before their
200 actual definition, needs to be here. */
204 language_unknown
, /* Language not known */
205 language_auto
, /* Placeholder for automatic setting */
207 language_cplus
, /* C++ */
208 language_objc
, /* Objective-C */
209 language_java
, /* Java */
210 language_fortran
, /* Fortran */
211 language_m2
, /* Modula-2 */
212 language_asm
, /* Assembly language */
213 language_pascal
, /* Pascal */
214 language_ada
, /* Ada */
215 language_minimal
, /* All other languages, minimal support only */
223 unspecified_precision
226 /* A generic, not quite boolean, enumeration. */
234 /* Potential ways that a function can return a value of a given type. */
235 enum return_value_convention
237 /* Where the return value has been squeezed into one or more
239 RETURN_VALUE_REGISTER_CONVENTION
,
240 /* Commonly known as the "struct return convention". The caller
241 passes an additional hidden first parameter to the caller. That
242 parameter contains the address at which the value being returned
243 should be stored. While typically, and historically, used for
244 large structs, this is convention is applied to values of many
246 RETURN_VALUE_STRUCT_CONVENTION
,
247 /* Like the "struct return convention" above, but where the ABI
248 guarantees that the called function stores the address at which
249 the value being returned is stored in a well-defined location,
250 such as a register or memory slot in the stack frame. Don't use
251 this if the ABI doesn't explicitly guarantees this. */
252 RETURN_VALUE_ABI_RETURNS_ADDRESS
,
253 /* Like the "struct return convention" above, but where the ABI
254 guarantees that the address at which the value being returned is
255 stored will be available in a well-defined location, such as a
256 register or memory slot in the stack frame. Don't use this if
257 the ABI doesn't explicitly guarantees this. */
258 RETURN_VALUE_ABI_PRESERVES_ADDRESS
,
261 /* the cleanup list records things that have to be undone
262 if an error happens (descriptors to be closed, memory to be freed, etc.)
263 Each link in the chain records a function to call and an
266 Use make_cleanup to add an element to the cleanup chain.
267 Use do_cleanups to do all cleanup actions back to a given
268 point in the chain. Use discard_cleanups to remove cleanups
269 from the chain back to a given point, not doing them. */
273 struct cleanup
*next
;
274 void (*function
) (void *);
279 /* The ability to declare that a function never returns is useful, but
280 not really required to compile GDB successfully, so the NORETURN and
281 ATTR_NORETURN macros normally expand into nothing. */
283 /* If compiling with older versions of GCC, a function may be declared
284 "volatile" to indicate that it does not return. */
287 #if defined(__GNUC__) \
288 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
289 #define NORETURN volatile
291 #define NORETURN /* nothing */
295 /* GCC 2.5 and later versions define a function attribute "noreturn",
296 which is the preferred way to declare that a function never returns.
297 However GCC 2.7 appears to be the first version in which this fully
298 works everywhere we use it. */
300 #ifndef ATTR_NORETURN
301 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
302 #define ATTR_NORETURN __attribute__ ((noreturn))
304 #define ATTR_NORETURN /* nothing */
309 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
310 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
312 #define ATTR_FORMAT(type, x, y) /* nothing */
316 /* Be conservative and use enum bitfields only with GCC.
317 This is copied from gcc 3.3.1, system.h. */
319 #if defined(__GNUC__) && (__GNUC__ >= 2)
320 #define ENUM_BITFIELD(TYPE) enum TYPE
322 #define ENUM_BITFIELD(TYPE) unsigned int
325 /* Needed for various prototypes */
333 extern void initialize_utils (void);
335 extern void notice_quit (void);
337 extern int strcmp_iw (const char *, const char *);
339 extern int strcmp_iw_ordered (const char *, const char *);
341 extern int streq (const char *, const char *);
343 extern int subset_compare (char *, char *);
345 extern char *safe_strerror (int);
347 #define ALL_CLEANUPS ((struct cleanup *)0)
349 extern void do_cleanups (struct cleanup
*);
350 extern void do_final_cleanups (struct cleanup
*);
351 extern void do_run_cleanups (struct cleanup
*);
352 extern void do_exec_cleanups (struct cleanup
*);
353 extern void do_exec_error_cleanups (struct cleanup
*);
355 extern void discard_cleanups (struct cleanup
*);
356 extern void discard_final_cleanups (struct cleanup
*);
357 extern void discard_exec_error_cleanups (struct cleanup
*);
358 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
360 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
361 make_cleanup function declarations below. Do not use this typedef
362 as a cast when passing functions into the make_cleanup() code.
363 Instead either use a bounce function or add a wrapper function.
364 Calling a f(char*) function with f(void*) is non-portable. */
365 typedef void (make_cleanup_ftype
) (void *);
367 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
369 extern struct cleanup
*make_cleanup_freeargv (char **);
372 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
374 struct section_addr_info
;
375 extern struct cleanup
*(make_cleanup_free_section_addr_info
376 (struct section_addr_info
*));
378 extern struct cleanup
*make_cleanup_close (int fd
);
380 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
382 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
384 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
385 make_cleanup_ftype
*, void *);
387 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
389 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
390 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
392 extern struct cleanup
*save_cleanups (void);
393 extern struct cleanup
*save_final_cleanups (void);
394 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
396 extern void restore_cleanups (struct cleanup
*);
397 extern void restore_final_cleanups (struct cleanup
*);
398 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
400 extern void free_current_contents (void *);
402 extern void null_cleanup (void *);
404 extern int myread (int, char *, int);
406 extern int query (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
407 extern int nquery (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
408 extern int yquery (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
410 extern void init_page_info (void);
412 extern char *gdb_realpath (const char *);
413 extern char *xfullpath (const char *);
415 extern unsigned long gnu_debuglink_crc32 (unsigned long crc
,
416 unsigned char *buf
, size_t len
);
418 ULONGEST
strtoulst (const char *num
, const char **trailer
, int base
);
420 /* From demangle.c */
422 extern void set_demangling_style (char *);
427 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
428 extern use_struct_convention_fn generic_use_struct_convention
;
431 /* Annotation stuff. */
433 extern int annotation_level
; /* in stack.c */
435 extern void begin_line (void);
437 extern void wrap_here (char *);
439 extern void reinitialize_more_filter (void);
442 extern struct ui_file
*gdb_stdout
;
444 extern struct ui_file
*gdb_stdin
;
445 /* Serious error notifications */
446 extern struct ui_file
*gdb_stderr
;
447 /* Log/debug/trace messages that should bypass normal stdout/stderr
448 filtering. For moment, always call this stream using
449 *_unfiltered. In the very near future that restriction shall be
450 removed - either call shall be unfiltered. (cagney 1999-06-13). */
451 extern struct ui_file
*gdb_stdlog
;
452 /* Target output that should bypass normal stdout/stderr filtering.
453 For moment, always call this stream using *_unfiltered. In the
454 very near future that restriction shall be removed - either call
455 shall be unfiltered. (cagney 1999-07-02). */
456 extern struct ui_file
*gdb_stdtarg
;
457 extern struct ui_file
*gdb_stdtargerr
;
458 extern struct ui_file
*gdb_stdtargin
;
462 /* More generic printf like operations. Filtered versions may return
463 non-locally on error. */
465 extern void fputs_filtered (const char *, struct ui_file
*);
467 extern void fputs_unfiltered (const char *, struct ui_file
*);
469 extern int fputc_filtered (int c
, struct ui_file
*);
471 extern int fputc_unfiltered (int c
, struct ui_file
*);
473 extern int putchar_filtered (int c
);
475 extern int putchar_unfiltered (int c
);
477 extern void puts_filtered (const char *);
479 extern void puts_unfiltered (const char *);
481 extern void puts_filtered_tabular (char *string
, int width
, int right
);
483 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
485 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
487 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
489 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
491 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
493 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
495 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
497 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
499 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
501 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
503 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (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
, struct ui_file
* stream
);
513 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
515 extern void fputstrn_filtered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
517 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
519 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
520 extern void gdb_print_host_address (const void *addr
, struct ui_file
*stream
);
522 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
523 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
525 extern int strlen_paddr (void);
526 extern char *paddr (CORE_ADDR addr
);
527 extern char *paddr_nz (CORE_ADDR addr
);
528 extern char *paddr_u (CORE_ADDR addr
);
529 extern char *paddr_d (LONGEST addr
);
531 /* Like 0x%lx, replaces deprecated_print_address_numeric. */
532 extern const char *paddress (CORE_ADDR addr
);
534 extern char *phex (ULONGEST l
, int sizeof_l
);
535 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
536 extern char *int_string (LONGEST
, int, int, int, int);
538 /* Like paddr() only print/scan raw CORE_ADDR. The output from
539 core_addr_to_string() can be passed direct to
540 string_to_core_addr(). */
541 extern const char *core_addr_to_string (const CORE_ADDR addr
);
542 extern const char *core_addr_to_string_nz (const CORE_ADDR addr
);
543 extern CORE_ADDR
string_to_core_addr (const char *my_string
);
545 /* Return a string that contains a number formatted as a hex
547 extern char *hex_string (LONGEST
);
548 extern char *hex_string_custom (LONGEST
, int);
550 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
553 extern NORETURN
void perror_with_name (const char *) ATTR_NORETURN
;
555 extern void print_sys_errmsg (const char *, int);
557 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
558 "const char *" in unistd.h, so we can't declare the argument
561 extern char *re_comp (const char *);
565 extern void symbol_file_command (char *, int);
567 /* Remote targets may wish to use this as their load function. */
568 extern void generic_load (char *name
, int from_tty
);
570 /* Report on STREAM the performance of memory transfer operation,
572 DATA_COUNT is the number of bytes transferred.
573 WRITE_COUNT is the number of separate write operations, or 0,
574 if that information is not available.
575 START_TIME is the time at which an operation was started.
576 END_TIME is the time at which an operation ended. */
578 extern void print_transfer_performance (struct ui_file
*stream
,
579 unsigned long data_count
,
580 unsigned long write_count
,
581 const struct timeval
*start_time
,
582 const struct timeval
*end_time
);
586 typedef void initialize_file_ftype (void);
588 extern char *skip_quoted (char *);
590 extern char *gdb_readline (char *);
592 extern char *gdb_readline_wrapper (char *);
594 extern char *command_line_input (char *, int, char *);
596 extern void print_prompt (void);
598 extern int input_from_terminal_p (void);
600 extern int info_verbose
;
602 /* From printcmd.c */
604 extern void set_next_address (CORE_ADDR
);
606 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
609 extern int build_address_symbolic (CORE_ADDR addr
,
617 extern void deprecated_print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
619 extern void print_address (CORE_ADDR
, struct ui_file
*);
623 #define OPF_TRY_CWD_FIRST 0x01
624 #define OPF_SEARCH_IN_PATH 0x02
626 extern int openp (const char *, int, const char *, int, int, char **);
628 extern int source_full_path_of (char *, char **);
630 extern void mod_path (char *, char **);
632 extern void add_path (char *, char **, int);
634 extern void directory_command (char *, int);
636 extern void directory_switch (char *, int);
638 extern char *source_path
;
640 extern void init_source_path (void);
642 extern void init_last_source_visited (void);
646 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
647 bfd_signed_vma data_off
,
648 bfd_signed_vma bss_off
);
650 /* Take over the 'find_mapped_memory' vector from exec.c. */
651 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR
,
657 /* Possible lvalue types. Like enum language, this should be in
658 value.h, but needs to be here for the same reason. */
666 /* In a register. Registers are relative to a frame. */
668 /* In a gdb internal variable. */
670 /* Part of a gdb internal variable (structure field). */
671 lval_internalvar_component
674 /* Control types for commands */
676 enum misc_command_type
684 enum command_control_type
695 /* Structure for saved commands lines
696 (for breakpoints, defined commands, etc). */
700 struct command_line
*next
;
702 enum command_control_type control_type
;
704 struct command_line
**body_list
;
707 extern struct command_line
*read_command_lines (char *, int);
709 extern void free_command_lines (struct command_line
**);
711 /* To continue the execution commands when running gdb asynchronously.
712 A continuation structure contains a pointer to a function to be called
713 to finish the command, once the target has stopped. Such mechanism is
714 used bt the finish and until commands, and in the remote protocol
715 when opening an extended-remote connection. */
717 struct continuation_arg
719 struct continuation_arg
*next
;
720 union continuation_data
{
729 void (*continuation_hook
) (struct continuation_arg
*);
730 struct continuation_arg
*arg_list
;
731 struct continuation
*next
;
735 extern struct continuation
*cmd_continuation
;
736 /* Used only by the step_1 function. */
737 extern struct continuation
*intermediate_continuation
;
740 extern void add_continuation (void (*)(struct continuation_arg
*),
741 struct continuation_arg
*);
742 extern void do_all_continuations (void);
743 extern void discard_all_continuations (void);
745 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
746 struct continuation_arg
*);
747 extern void do_all_intermediate_continuations (void);
748 extern void discard_all_intermediate_continuations (void);
750 /* String containing the current directory (what getwd would return). */
752 extern char *current_directory
;
754 /* Default radixes for input and output. Only some values supported. */
755 extern unsigned input_radix
;
756 extern unsigned output_radix
;
758 /* Possibilities for prettyprint parameters to routines which print
759 things. Like enum language, this should be in value.h, but needs
760 to be here for the same reason. FIXME: If we can eliminate this
761 as an arg to LA_VAL_PRINT, then we can probably move it back to
766 Val_no_prettyprint
= 0,
768 /* Use the default setting which the user has specified. */
772 /* The ptid struct is a collection of the various "ids" necessary
773 for identifying the inferior. This consists of the process id
774 (pid), thread id (tid), and other fields necessary for uniquely
775 identifying the inferior process/thread being debugged. When
776 manipulating ptids, the constructors, accessors, and predicate
777 declared in inferior.h should be used. These are as follows:
779 ptid_build - Make a new ptid from a pid, lwp, and tid.
780 pid_to_ptid - Make a new ptid from just a pid.
781 ptid_get_pid - Fetch the pid component of a ptid.
782 ptid_get_lwp - Fetch the lwp component of a ptid.
783 ptid_get_tid - Fetch the tid component of a ptid.
784 ptid_equal - Test to see if two ptids are equal.
786 Please do NOT access the struct ptid members directly (except, of
787 course, in the implementation of the above ptid manipulation
795 /* Lightweight process id */
802 typedef struct ptid ptid_t
;
806 /* Optional host machine definition. Pure autoconf targets will not
807 need a "xm.h" file. This will be a symlink to one of the xm-*.h
808 files, built by the `configure' script. */
814 /* Optional native machine support. Non-native (and possibly pure
815 multi-arch) targets do not need a "nm.h" file. This will be a
816 symlink to one of the nm-*.h files, built by the `configure'
823 /* Optional target machine definition. Pure multi-arch configurations
824 do not need a "tm.h" file. This will be a symlink to one of the
825 tm-*.h files, built by the `configure' script. */
831 /* Assume that fopen accepts the letter "b" in the mode string.
832 It is demanded by ISO C9X, and should be supported on all
833 platforms that claim to have a standard-conforming C library. On
834 true POSIX systems it will be ignored and have no effect. There
835 may still be systems without a standard-conforming C library where
836 an ISO C9X compiler (GCC) is available. Known examples are SunOS
837 4.x and 4.3BSD. This assumption means these systems are no longer
840 # include "fopen-bin.h"
843 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
844 FIXME: Assumes 2's complement arithmetic */
846 #if !defined (UINT_MAX)
847 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
850 #if !defined (INT_MAX)
851 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
854 #if !defined (INT_MIN)
855 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
858 #if !defined (ULONG_MAX)
859 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
862 #if !defined (LONG_MAX)
863 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
866 #if !defined (ULONGEST_MAX)
867 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
870 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
871 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
874 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
875 arguments to a function, number in a value history, register number, etc.)
876 where the value must not be larger than can fit in an int. */
878 extern int longest_to_int (LONGEST
);
880 /* Assorted functions we can declare, now that const and volatile are
883 extern char *savestring (const char *, size_t);
885 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
887 extern void xfree (void *);
889 /* Like xmalloc, but zero the memory. */
890 extern void *xzalloc (size_t);
892 /* Utility macros to allocate typed memory. Avoids errors like:
893 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
894 sizeof (struct foo), 0). */
895 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
896 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
897 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
899 /* Like asprintf/vasprintf but get an internal_error if the call
901 extern void xasprintf (char **ret
, const char *format
, ...) ATTR_FORMAT (printf
, 2, 3);
902 extern void xvasprintf (char **ret
, const char *format
, va_list ap
)
903 ATTR_FORMAT (printf
, 2, 0);
905 /* Like asprintf and vasprintf, but return the string, throw an error
907 extern char *xstrprintf (const char *format
, ...) ATTR_FORMAT (printf
, 1, 2);
908 extern char *xstrvprintf (const char *format
, va_list ap
)
909 ATTR_FORMAT (printf
, 1, 0);
911 /* Like snprintf, but throw an error if the output buffer is too small. */
912 extern int xsnprintf (char *str
, size_t size
, const char *format
, ...)
913 ATTR_FORMAT (printf
, 3, 4);
915 extern int parse_escape (char **);
917 /* Message to be printed before the error message, when an error occurs. */
919 extern char *error_pre_print
;
921 /* Message to be printed before the error message, when an error occurs. */
923 extern char *quit_pre_print
;
925 /* Message to be printed before the warning message, when a warning occurs. */
927 extern char *warning_pre_print
;
929 extern NORETURN
void verror (const char *fmt
, va_list ap
)
930 ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 0);
932 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
934 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
936 extern NORETURN
void vfatal (const char *fmt
, va_list ap
)
937 ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 0);
939 extern NORETURN
void fatal (const char *fmt
, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 1, 2);
941 extern NORETURN
void internal_verror (const char *file
, int line
,
942 const char *, va_list ap
)
943 ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 0);
945 extern NORETURN
void internal_error (const char *file
, int line
,
946 const char *, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 4);
948 extern void internal_vwarning (const char *file
, int line
,
949 const char *, va_list ap
)
950 ATTR_FORMAT (printf
, 3, 0);
952 extern void internal_warning (const char *file
, int line
,
953 const char *, ...) ATTR_FORMAT (printf
, 3, 4);
955 extern NORETURN
void nomem (long) ATTR_NORETURN
;
957 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
959 extern void vwarning (const char *, va_list args
) ATTR_FORMAT (printf
, 1, 0);
961 /* List of known OS ABIs. If you change this, make sure to update the
965 GDB_OSABI_UNINITIALIZED
= -1, /* For struct gdbarch_info. */
967 GDB_OSABI_UNKNOWN
= 0, /* keep this zero */
974 GDB_OSABI_FREEBSD_AOUT
,
975 GDB_OSABI_FREEBSD_ELF
,
976 GDB_OSABI_NETBSD_AOUT
,
977 GDB_OSABI_NETBSD_ELF
,
978 GDB_OSABI_OPENBSD_ELF
,
991 GDB_OSABI_INVALID
/* keep this last */
994 /* Global functions from other, non-gdb GNU thingies.
995 Libiberty thingies are no longer declared here. We include libiberty.h
998 /* From other system libraries */
1000 #ifdef HAVE_STDDEF_H
1004 #ifdef HAVE_STDLIB_H
1008 #define min(a, b) ((a) < (b) ? (a) : (b))
1011 #define max(a, b) ((a) > (b) ? (a) : (b))
1016 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1019 /* Various possibilities for alloca. */
1022 #define alloca __builtin_alloca
1023 #else /* Not GNU C */
1024 #ifdef HAVE_ALLOCA_H
1031 /* We need to be careful not to declare this in a way which conflicts with
1032 bison. Bison never declares it as char *, but under various circumstances
1033 (like __hpux) we need to use void *. */
1034 extern void *alloca ();
1035 #endif /* Not _AIX */
1036 #endif /* Not HAVE_ALLOCA_H */
1037 #endif /* Not GNU C */
1038 #endif /* alloca not defined */
1040 /* Dynamic target-system-dependent parameters for GDB. */
1041 #include "gdbarch.h"
1043 /* Maximum size of a register. Something small, but large enough for
1044 all known ISAs. If it turns out to be too small, make it bigger. */
1046 enum { MAX_REGISTER_SIZE
= 16 };
1048 /* Static target-system-dependent parameters for GDB. */
1050 /* Number of bits in a char or unsigned char for the target machine.
1051 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1052 #if !defined (TARGET_CHAR_BIT)
1053 #define TARGET_CHAR_BIT 8
1056 /* If we picked up a copy of CHAR_BIT from a configuration file
1057 (which may get it by including <limits.h>) then use it to set
1058 the number of bits in a host char. If not, use the same size
1061 #if defined (CHAR_BIT)
1062 #define HOST_CHAR_BIT CHAR_BIT
1064 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1067 /* The bit byte-order has to do just with numbering of bits in
1068 debugging symbols and such. Conceptually, it's quite separate
1069 from byte/word byte order. */
1071 #if !defined (BITS_BIG_ENDIAN)
1072 #define BITS_BIG_ENDIAN (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
1077 extern LONGEST
extract_signed_integer (const gdb_byte
*, int);
1079 extern ULONGEST
extract_unsigned_integer (const gdb_byte
*, int);
1081 extern int extract_long_unsigned_integer (const gdb_byte
*, int, LONGEST
*);
1083 extern CORE_ADDR
extract_typed_address (const gdb_byte
*buf
,
1086 extern void store_signed_integer (gdb_byte
*, int, LONGEST
);
1088 extern void store_unsigned_integer (gdb_byte
*, int, ULONGEST
);
1090 extern void store_typed_address (gdb_byte
*buf
, struct type
*type
,
1096 extern int watchdog
;
1098 /* Hooks for alternate command interfaces. */
1100 /* The name of the interpreter if specified on the command line. */
1101 extern char *interpreter_p
;
1103 /* If a given interpreter matches INTERPRETER_P then it should update
1104 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1105 per-interpreter implementation. */
1106 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1107 should be moved here. */
1109 struct target_waitstatus
;
1110 struct cmd_list_element
;
1112 extern void (*deprecated_pre_add_symbol_hook
) (const char *);
1113 extern void (*deprecated_post_add_symbol_hook
) (void);
1114 extern void (*selected_frame_level_changed_hook
) (int);
1115 extern int (*deprecated_ui_loop_hook
) (int signo
);
1116 extern void (*deprecated_init_ui_hook
) (char *argv0
);
1117 extern void (*deprecated_command_loop_hook
) (void);
1118 extern void (*deprecated_show_load_progress
) (const char *section
,
1119 unsigned long section_sent
,
1120 unsigned long section_size
,
1121 unsigned long total_sent
,
1122 unsigned long total_size
);
1123 extern void (*deprecated_print_frame_info_listing_hook
) (struct symtab
* s
,
1124 int line
, int stopline
,
1126 extern int (*deprecated_query_hook
) (const char *, va_list)
1127 ATTRIBUTE_FPTR_PRINTF(1,0);
1128 extern void (*deprecated_warning_hook
) (const char *, va_list)
1129 ATTRIBUTE_FPTR_PRINTF(1,0);
1130 extern void (*deprecated_flush_hook
) (struct ui_file
* stream
);
1131 extern void (*deprecated_create_breakpoint_hook
) (struct breakpoint
* b
);
1132 extern void (*deprecated_delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1133 extern void (*deprecated_modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1134 extern void (*deprecated_interactive_hook
) (void);
1135 extern void (*deprecated_readline_begin_hook
) (char *, ...)
1136 ATTRIBUTE_FPTR_PRINTF_1
;
1137 extern char *(*deprecated_readline_hook
) (char *);
1138 extern void (*deprecated_readline_end_hook
) (void);
1139 extern void (*deprecated_register_changed_hook
) (int regno
);
1140 extern void (*deprecated_memory_changed_hook
) (CORE_ADDR addr
, int len
);
1141 extern void (*deprecated_context_hook
) (int);
1142 extern ptid_t (*deprecated_target_wait_hook
) (ptid_t ptid
,
1143 struct target_waitstatus
* status
);
1145 extern void (*deprecated_attach_hook
) (void);
1146 extern void (*deprecated_detach_hook
) (void);
1147 extern void (*deprecated_call_command_hook
) (struct cmd_list_element
* c
,
1148 char *cmd
, int from_tty
);
1150 extern void (*deprecated_set_hook
) (struct cmd_list_element
* c
);
1152 extern void (*deprecated_error_hook
) (void);
1154 extern void (*deprecated_error_begin_hook
) (void);
1156 extern int (*deprecated_ui_load_progress_hook
) (const char *section
,
1160 /* Inhibit window interface if non-zero. */
1162 extern int use_windows
;
1164 /* Symbolic definitions of filename-related things. */
1165 /* FIXME, this doesn't work very well if host and executable
1166 filesystems conventions are different. */
1170 # define GLOBAL_CURDIR
1171 # define DIRNAME_SEPARATOR ';'
1174 #if !defined (__CYGWIN__) && defined (_WIN32)
1175 # define DIRNAME_SEPARATOR ';'
1178 #ifndef DIRNAME_SEPARATOR
1179 #define DIRNAME_SEPARATOR ':'
1182 #ifndef SLASH_STRING
1183 #define SLASH_STRING "/"
1186 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1187 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1188 in the code actually refer to a lightweight process id, i.e,
1189 something that can be considered a process id in its own right for
1190 certain purposes. */
1193 #define PIDGET(PTID) (ptid_get_pid (PTID))
1194 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1195 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1198 /* Define well known filenos if the system does not define them. */
1199 #ifndef STDIN_FILENO
1200 #define STDIN_FILENO 0
1202 #ifndef STDOUT_FILENO
1203 #define STDOUT_FILENO 1
1205 #ifndef STDERR_FILENO
1206 #define STDERR_FILENO 2
1209 /* If this definition isn't overridden by the header files, assume
1210 that isatty and fileno exist on this system. */
1212 #define ISATTY(FP) (isatty (fileno (FP)))
1215 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1216 power of 2). Round up/down when necessary. Examples of correct
1219 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1220 write_memory (addr, value, len);
1225 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1226 write_memory (sp, value, len);
1228 Note that uses such as:
1230 write_memory (addr, value, len);
1231 addr += align_up (len, 8);
1235 sp -= align_up (len, 8);
1236 write_memory (sp, value, len);
1238 are typically not correct as they don't ensure that the address (SP
1239 or ADDR) is correctly aligned (relying on previous alignment to
1240 keep things right). This is also why the methods are called
1241 "align_..." instead of "round_..." as the latter reads better with
1242 this incorrect coding style. */
1244 extern ULONGEST
align_up (ULONGEST v
, int n
);
1245 extern ULONGEST
align_down (ULONGEST v
, int n
);
1247 /* Allocation and deallocation functions for the libiberty hash table
1248 which use obstacks. */
1249 void *hashtab_obstack_allocate (void *data
, size_t size
, size_t count
);
1250 void dummy_obstack_deallocate (void *object
, void *data
);
1252 #endif /* #ifndef DEFS_H */