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_scm, /* Scheme / Guile */
214 language_pascal, /* Pascal */
215 language_ada, /* Ada */
216 language_minimal, /* All other languages, minimal support only */
224 unspecified_precision
227 /* A generic, not quite boolean, enumeration. */
235 /* Potential ways that a function can return a value of a given type. */
236 enum return_value_convention
238 /* Where the return value has been squeezed into one or more
240 RETURN_VALUE_REGISTER_CONVENTION,
241 /* Commonly known as the "struct return convention". The caller
242 passes an additional hidden first parameter to the caller. That
243 parameter contains the address at which the value being returned
244 should be stored. While typically, and historically, used for
245 large structs, this is convention is applied to values of many
247 RETURN_VALUE_STRUCT_CONVENTION,
248 /* Like the "struct return convention" above, but where the ABI
249 guarantees that the called function stores the address at which
250 the value being returned is stored in a well-defined location,
251 such as a register or memory slot in the stack frame. Don't use
252 this if the ABI doesn't explicitly guarantees this. */
253 RETURN_VALUE_ABI_RETURNS_ADDRESS,
254 /* Like the "struct return convention" above, but where the ABI
255 guarantees that the address at which the value being returned is
256 stored will be available in a well-defined location, such as a
257 register or memory slot in the stack frame. Don't use this if
258 the ABI doesn't explicitly guarantees this. */
259 RETURN_VALUE_ABI_PRESERVES_ADDRESS,
262 /* the cleanup list records things that have to be undone
263 if an error happens (descriptors to be closed, memory to be freed, etc.)
264 Each link in the chain records a function to call and an
267 Use make_cleanup to add an element to the cleanup chain.
268 Use do_cleanups to do all cleanup actions back to a given
269 point in the chain. Use discard_cleanups to remove cleanups
270 from the chain back to a given point, not doing them. */
274 struct cleanup *next;
275 void (*function) (void *);
280 /* The ability to declare that a function never returns is useful, but
281 not really required to compile GDB successfully, so the NORETURN and
282 ATTR_NORETURN macros normally expand into nothing. */
284 /* If compiling with older versions of GCC, a function may be declared
285 "volatile" to indicate that it does not return. */
288 #if defined(__GNUC__) \
289 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
290 #define NORETURN volatile
292 #define NORETURN /* nothing */
296 /* GCC 2.5 and later versions define a function attribute "noreturn",
297 which is the preferred way to declare that a function never returns.
298 However GCC 2.7 appears to be the first version in which this fully
299 works everywhere we use it. */
301 #ifndef ATTR_NORETURN
302 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
303 #define ATTR_NORETURN __attribute__ ((noreturn))
305 #define ATTR_NORETURN /* nothing */
310 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
311 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
313 #define ATTR_FORMAT(type, x, y) /* nothing */
317 /* Be conservative and use enum bitfields only with GCC.
318 This is copied from gcc 3.3.1, system.h. */
320 #if defined(__GNUC__) && (__GNUC__ >= 2)
321 #define ENUM_BITFIELD(TYPE) enum TYPE
323 #define ENUM_BITFIELD(TYPE) unsigned int
326 /* Needed for various prototypes */
334 extern void initialize_utils (void);
336 extern void notice_quit (void);
338 extern int strcmp_iw (const char *, const char *);
340 extern int strcmp_iw_ordered (const char *, const char *);
342 extern int streq (const char *, const char *);
344 extern int subset_compare (char *, char *);
346 extern char *safe_strerror (int);
348 #define ALL_CLEANUPS ((struct cleanup *)0)
350 extern void do_cleanups (struct cleanup *);
351 extern void do_final_cleanups (struct cleanup *);
352 extern void do_run_cleanups (struct cleanup *);
353 extern void do_exec_cleanups (struct cleanup *);
354 extern void do_exec_error_cleanups (struct cleanup *);
356 extern void discard_cleanups (struct cleanup *);
357 extern void discard_final_cleanups (struct cleanup *);
358 extern void discard_exec_error_cleanups (struct cleanup *);
359 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
361 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
362 make_cleanup function declarations below. Do not use this typedef
363 as a cast when passing functions into the make_cleanup() code.
364 Instead either use a bounce function or add a wrapper function.
365 Calling a f(char*) function with f(void*) is non-portable. */
366 typedef void (make_cleanup_ftype) (void *);
368 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
370 extern struct cleanup *make_cleanup_freeargv (char **);
373 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
375 struct section_addr_info;
376 extern struct cleanup *(make_cleanup_free_section_addr_info
377 (struct section_addr_info *));
379 extern struct cleanup *make_cleanup_close (int fd);
381 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
383 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
385 extern struct cleanup *make_my_cleanup (struct cleanup **,
386 make_cleanup_ftype *, void *);
388 extern struct cleanup *make_run_cleanup (make_cleanup_ftype *, void *);
390 extern struct cleanup *make_exec_cleanup (make_cleanup_ftype *, void *);
391 extern struct cleanup *make_exec_error_cleanup (make_cleanup_ftype *, void *);
393 extern struct cleanup *save_cleanups (void);
394 extern struct cleanup *save_final_cleanups (void);
395 extern struct cleanup *save_my_cleanups (struct cleanup **);
397 extern void restore_cleanups (struct cleanup *);
398 extern void restore_final_cleanups (struct cleanup *);
399 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
401 extern void free_current_contents (void *);
403 extern void null_cleanup (void *);
405 extern int myread (int, char *, int);
407 extern int query (const char *, ...) ATTR_FORMAT (printf, 1, 2);
408 extern int nquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
409 extern int yquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
411 extern void init_page_info (void);
413 extern char *gdb_realpath (const char *);
414 extern char *xfullpath (const char *);
416 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
417 unsigned char *buf, size_t len);
419 ULONGEST strtoulst (const char *num, const char **trailer, int base);
421 /* From demangle.c */
423 extern void set_demangling_style (char *);
428 typedef int (use_struct_convention_fn) (int gcc_p, struct type * value_type);
429 extern use_struct_convention_fn generic_use_struct_convention;
432 /* Annotation stuff. */
434 extern int annotation_level; /* in stack.c */
436 extern void begin_line (void);
438 extern void wrap_here (char *);
440 extern void reinitialize_more_filter (void);
443 extern struct ui_file *gdb_stdout;
445 extern struct ui_file *gdb_stdin;
446 /* Serious error notifications */
447 extern struct ui_file *gdb_stderr;
448 /* Log/debug/trace messages that should bypass normal stdout/stderr
449 filtering. For moment, always call this stream using
450 *_unfiltered. In the very near future that restriction shall be
451 removed - either call shall be unfiltered. (cagney 1999-06-13). */
452 extern struct ui_file *gdb_stdlog;
453 /* Target output that should bypass normal stdout/stderr filtering.
454 For moment, always call this stream using *_unfiltered. In the
455 very near future that restriction shall be removed - either call
456 shall be unfiltered. (cagney 1999-07-02). */
457 extern struct ui_file *gdb_stdtarg;
458 extern struct ui_file *gdb_stdtargerr;
459 extern struct ui_file *gdb_stdtargin;
463 /* More generic printf like operations. Filtered versions may return
464 non-locally on error. */
466 extern void fputs_filtered (const char *, struct ui_file *);
468 extern void fputs_unfiltered (const char *, struct ui_file *);
470 extern int fputc_filtered (int c, struct ui_file *);
472 extern int fputc_unfiltered (int c, struct ui_file *);
474 extern int putchar_filtered (int c);
476 extern int putchar_unfiltered (int c);
478 extern void puts_filtered (const char *);
480 extern void puts_unfiltered (const char *);
482 extern void puts_filtered_tabular (char *string, int width, int right);
484 extern void puts_debug (char *prefix, char *string, char *suffix);
486 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
488 extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
490 extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
492 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 3, 4);
494 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
496 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);
498 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
500 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
502 extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
504 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
506 extern void print_spaces (int, struct ui_file *);
508 extern void print_spaces_filtered (int, struct ui_file *);
510 extern char *n_spaces (int);
512 extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);
514 extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);
516 extern void fputstrn_filtered (const char *str, int n, int quotr, struct ui_file * stream);
518 extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);
520 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
521 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
523 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
524 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
526 extern int strlen_paddr (void);
527 extern char *paddr (CORE_ADDR addr);
528 extern char *paddr_nz (CORE_ADDR addr);
529 extern char *paddr_u (CORE_ADDR addr);
530 extern char *paddr_d (LONGEST addr);
532 /* Like 0x%lx, replaces deprecated_print_address_numeric. */
533 extern const char *paddress (CORE_ADDR addr);
535 extern char *phex (ULONGEST l, int sizeof_l);
536 extern char *phex_nz (ULONGEST l, int sizeof_l);
537 extern char *int_string (LONGEST, int, int, int, int);
539 /* Like paddr() only print/scan raw CORE_ADDR. The output from
540 core_addr_to_string() can be passed direct to
541 string_to_core_addr(). */
542 extern const char *core_addr_to_string (const CORE_ADDR addr);
543 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
544 extern CORE_ADDR string_to_core_addr (const char *my_string);
546 /* Return a string that contains a number formatted as a hex
548 extern char *hex_string (LONGEST);
549 extern char *hex_string_custom (LONGEST, int);
551 extern void fprintf_symbol_filtered (struct ui_file *, char *,
554 extern NORETURN void perror_with_name (const char *) ATTR_NORETURN;
556 extern void print_sys_errmsg (const char *, int);
558 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
559 "const char *" in unistd.h, so we can't declare the argument
562 extern char *re_comp (const char *);
566 extern void symbol_file_command (char *, int);
568 /* Remote targets may wish to use this as their load function. */
569 extern void generic_load (char *name, int from_tty);
571 /* Report on STREAM the performance of memory transfer operation,
573 DATA_COUNT is the number of bytes transferred.
574 WRITE_COUNT is the number of separate write operations, or 0,
575 if that information is not available.
576 START_TIME is the time at which an operation was started.
577 END_TIME is the time at which an operation ended. */
579 extern void print_transfer_performance (struct ui_file *stream,
580 unsigned long data_count,
581 unsigned long write_count,
582 const struct timeval *start_time,
583 const struct timeval *end_time);
587 typedef void initialize_file_ftype (void);
589 extern char *skip_quoted (char *);
591 extern char *gdb_readline (char *);
593 extern char *gdb_readline_wrapper (char *);
595 extern char *command_line_input (char *, int, char *);
597 extern void print_prompt (void);
599 extern int input_from_terminal_p (void);
601 extern int info_verbose;
603 /* From printcmd.c */
605 extern void set_next_address (CORE_ADDR);
607 extern void print_address_symbolic (CORE_ADDR, struct ui_file *, int,
610 extern int build_address_symbolic (CORE_ADDR addr,
618 extern void deprecated_print_address_numeric (CORE_ADDR, int, struct ui_file *);
620 extern void print_address (CORE_ADDR, struct ui_file *);
624 #define OPF_TRY_CWD_FIRST 0x01
625 #define OPF_SEARCH_IN_PATH 0x02
627 extern int openp (const char *, int, const char *, int, int, char **);
629 extern int source_full_path_of (char *, char **);
631 extern void mod_path (char *, char **);
633 extern void add_path (char *, char **, int);
635 extern void directory_command (char *, int);
637 extern void directory_switch (char *, int);
639 extern char *source_path;
641 extern void init_source_path (void);
643 extern void init_last_source_visited (void);
647 extern void exec_set_section_offsets (bfd_signed_vma text_off,
648 bfd_signed_vma data_off,
649 bfd_signed_vma bss_off);
651 /* Take over the 'find_mapped_memory' vector from exec.c. */
652 extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR,
658 /* Possible lvalue types. Like enum language, this should be in
659 value.h, but needs to be here for the same reason. */
667 /* In a register. Registers are relative to a frame. */
669 /* In a gdb internal variable. */
671 /* Part of a gdb internal variable (structure field). */
672 lval_internalvar_component
675 /* Control types for commands */
677 enum misc_command_type
685 enum command_control_type
696 /* Structure for saved commands lines
697 (for breakpoints, defined commands, etc). */
701 struct command_line *next;
703 enum command_control_type control_type;
705 struct command_line **body_list;
708 extern struct command_line *read_command_lines (char *, int);
710 extern void free_command_lines (struct command_line **);
712 /* To continue the execution commands when running gdb asynchronously.
713 A continuation structure contains a pointer to a function to be called
714 to finish the command, once the target has stopped. Such mechanism is
715 used bt the finish and until commands, and in the remote protocol
716 when opening an extended-remote connection. */
718 struct continuation_arg
720 struct continuation_arg *next;
721 union continuation_data {
730 void (*continuation_hook) (struct continuation_arg *);
731 struct continuation_arg *arg_list;
732 struct continuation *next;
736 extern struct continuation *cmd_continuation;
737 /* Used only by the step_1 function. */
738 extern struct continuation *intermediate_continuation;
741 extern void add_continuation (void (*)(struct continuation_arg *),
742 struct continuation_arg *);
743 extern void do_all_continuations (void);
744 extern void discard_all_continuations (void);
746 extern void add_intermediate_continuation (void (*)(struct continuation_arg *),
747 struct continuation_arg *);
748 extern void do_all_intermediate_continuations (void);
749 extern void discard_all_intermediate_continuations (void);
751 /* String containing the current directory (what getwd would return). */
753 extern char *current_directory;
755 /* Default radixes for input and output. Only some values supported. */
756 extern unsigned input_radix;
757 extern unsigned output_radix;
759 /* Possibilities for prettyprint parameters to routines which print
760 things. Like enum language, this should be in value.h, but needs
761 to be here for the same reason. FIXME: If we can eliminate this
762 as an arg to LA_VAL_PRINT, then we can probably move it back to
767 Val_no_prettyprint = 0,
769 /* Use the default setting which the user has specified. */
773 /* The ptid struct is a collection of the various "ids" necessary
774 for identifying the inferior. This consists of the process id
775 (pid), thread id (tid), and other fields necessary for uniquely
776 identifying the inferior process/thread being debugged. When
777 manipulating ptids, the constructors, accessors, and predicate
778 declared in inferior.h should be used. These are as follows:
780 ptid_build - Make a new ptid from a pid, lwp, and tid.
781 pid_to_ptid - Make a new ptid from just a pid.
782 ptid_get_pid - Fetch the pid component of a ptid.
783 ptid_get_lwp - Fetch the lwp component of a ptid.
784 ptid_get_tid - Fetch the tid component of a ptid.
785 ptid_equal - Test to see if two ptids are equal.
787 Please do NOT access the struct ptid members directly (except, of
788 course, in the implementation of the above ptid manipulation
796 /* Lightweight process id */
803 typedef struct ptid ptid_t;
807 /* Optional host machine definition. Pure autoconf targets will not
808 need a "xm.h" file. This will be a symlink to one of the xm-*.h
809 files, built by the `configure' script. */
815 /* Optional native machine support. Non-native (and possibly pure
816 multi-arch) targets do not need a "nm.h" file. This will be a
817 symlink to one of the nm-*.h files, built by the `configure'
824 /* Optional target machine definition. Pure multi-arch configurations
825 do not need a "tm.h" file. This will be a symlink to one of the
826 tm-*.h files, built by the `configure' script. */
832 /* Assume that fopen accepts the letter "b" in the mode string.
833 It is demanded by ISO C9X, and should be supported on all
834 platforms that claim to have a standard-conforming C library. On
835 true POSIX systems it will be ignored and have no effect. There
836 may still be systems without a standard-conforming C library where
837 an ISO C9X compiler (GCC) is available. Known examples are SunOS
838 4.x and 4.3BSD. This assumption means these systems are no longer
841 # include "fopen-bin.h"
844 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
845 FIXME: Assumes 2's complement arithmetic */
847 #if !defined (UINT_MAX)
848 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
851 #if !defined (INT_MAX)
852 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
855 #if !defined (INT_MIN)
856 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
859 #if !defined (ULONG_MAX)
860 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
863 #if !defined (LONG_MAX)
864 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
867 #if !defined (ULONGEST_MAX)
868 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
871 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
872 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
875 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
876 arguments to a function, number in a value history, register number, etc.)
877 where the value must not be larger than can fit in an int. */
879 extern int longest_to_int (LONGEST);
881 /* Assorted functions we can declare, now that const and volatile are
884 extern char *savestring (const char *, size_t);
886 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
888 extern void xfree (void *);
890 /* Like xmalloc, but zero the memory. */
891 extern void *xzalloc (size_t);
893 /* Utility macros to allocate typed memory. Avoids errors like:
894 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
895 sizeof (struct foo), 0). */
896 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
897 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
898 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
900 /* Like asprintf/vasprintf but get an internal_error if the call
902 extern void xasprintf (char **ret, const char *format, ...) ATTR_FORMAT (printf, 2, 3);
903 extern void xvasprintf (char **ret, const char *format, va_list ap)
904 ATTR_FORMAT (printf, 2, 0);
906 /* Like asprintf and vasprintf, but return the string, throw an error
908 extern char *xstrprintf (const char *format, ...) ATTR_FORMAT (printf, 1, 2);
909 extern char *xstrvprintf (const char *format, va_list ap)
910 ATTR_FORMAT (printf, 1, 0);
912 /* Like snprintf, but throw an error if the output buffer is too small. */
913 extern int xsnprintf (char *str, size_t size, const char *format, ...)
914 ATTR_FORMAT (printf, 3, 4);
916 extern int parse_escape (char **);
918 /* Message to be printed before the error message, when an error occurs. */
920 extern char *error_pre_print;
922 /* Message to be printed before the error message, when an error occurs. */
924 extern char *quit_pre_print;
926 /* Message to be printed before the warning message, when a warning occurs. */
928 extern char *warning_pre_print;
930 extern NORETURN void verror (const char *fmt, va_list ap)
931 ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);
933 extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
935 extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;
937 extern NORETURN void vfatal (const char *fmt, va_list ap)
938 ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);
940 extern NORETURN void fatal (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
942 extern NORETURN void internal_verror (const char *file, int line,
943 const char *, va_list ap)
944 ATTR_NORETURN ATTR_FORMAT (printf, 3, 0);
946 extern NORETURN void internal_error (const char *file, int line,
947 const char *, ...) ATTR_NORETURN ATTR_FORMAT (printf, 3, 4);
949 extern void internal_vwarning (const char *file, int line,
950 const char *, va_list ap)
951 ATTR_FORMAT (printf, 3, 0);
953 extern void internal_warning (const char *file, int line,
954 const char *, ...) ATTR_FORMAT (printf, 3, 4);
956 extern NORETURN void nomem (long) ATTR_NORETURN;
958 extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);
960 extern void vwarning (const char *, va_list args) ATTR_FORMAT (printf, 1, 0);
962 /* List of known OS ABIs. If you change this, make sure to update the
966 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
968 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
975 GDB_OSABI_FREEBSD_AOUT,
976 GDB_OSABI_FREEBSD_ELF,
977 GDB_OSABI_NETBSD_AOUT,
978 GDB_OSABI_NETBSD_ELF,
979 GDB_OSABI_OPENBSD_ELF,
992 GDB_OSABI_INVALID /* keep this last */
995 /* Global functions from other, non-gdb GNU thingies.
996 Libiberty thingies are no longer declared here. We include libiberty.h
999 /* From other system libraries */
1001 #ifdef HAVE_STDDEF_H
1005 #ifdef HAVE_STDLIB_H
1009 #define min(a, b) ((a) < (b) ? (a) : (b))
1012 #define max(a, b) ((a) > (b) ? (a) : (b))
1017 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1020 /* Various possibilities for alloca. */
1023 #define alloca __builtin_alloca
1024 #else /* Not GNU C */
1025 #ifdef HAVE_ALLOCA_H
1032 /* We need to be careful not to declare this in a way which conflicts with
1033 bison. Bison never declares it as char *, but under various circumstances
1034 (like __hpux) we need to use void *. */
1035 extern void *alloca ();
1036 #endif /* Not _AIX */
1037 #endif /* Not HAVE_ALLOCA_H */
1038 #endif /* Not GNU C */
1039 #endif /* alloca not defined */
1041 /* Dynamic target-system-dependent parameters for GDB. */
1042 #include "gdbarch.h"
1044 /* Maximum size of a register. Something small, but large enough for
1045 all known ISAs. If it turns out to be too small, make it bigger. */
1047 enum { MAX_REGISTER_SIZE = 16 };
1049 /* Static target-system-dependent parameters for GDB. */
1051 /* Number of bits in a char or unsigned char for the target machine.
1052 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1053 #if !defined (TARGET_CHAR_BIT)
1054 #define TARGET_CHAR_BIT 8
1057 /* If we picked up a copy of CHAR_BIT from a configuration file
1058 (which may get it by including <limits.h>) then use it to set
1059 the number of bits in a host char. If not, use the same size
1062 #if defined (CHAR_BIT)
1063 #define HOST_CHAR_BIT CHAR_BIT
1065 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1068 /* The bit byte-order has to do just with numbering of bits in
1069 debugging symbols and such. Conceptually, it's quite separate
1070 from byte/word byte order. */
1072 #if !defined (BITS_BIG_ENDIAN)
1073 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
1078 extern LONGEST extract_signed_integer (const gdb_byte *, int);
1080 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int);
1082 extern int extract_long_unsigned_integer (const gdb_byte *, int, LONGEST *);
1084 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1087 extern void store_signed_integer (gdb_byte *, int, LONGEST);
1089 extern void store_unsigned_integer (gdb_byte *, int, ULONGEST);
1091 extern void store_typed_address (gdb_byte *buf, struct type *type,
1097 extern int watchdog;
1099 /* Hooks for alternate command interfaces. */
1101 /* The name of the interpreter if specified on the command line. */
1102 extern char *interpreter_p;
1104 /* If a given interpreter matches INTERPRETER_P then it should update
1105 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1106 per-interpreter implementation. */
1107 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1108 should be moved here. */
1110 struct target_waitstatus;
1111 struct cmd_list_element;
1113 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1114 extern void (*deprecated_post_add_symbol_hook) (void);
1115 extern void (*selected_frame_level_changed_hook) (int);
1116 extern int (*deprecated_ui_loop_hook) (int signo);
1117 extern void (*deprecated_init_ui_hook) (char *argv0);
1118 extern void (*deprecated_command_loop_hook) (void);
1119 extern void (*deprecated_show_load_progress) (const char *section,
1120 unsigned long section_sent,
1121 unsigned long section_size,
1122 unsigned long total_sent,
1123 unsigned long total_size);
1124 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1125 int line, int stopline,
1127 extern int (*deprecated_query_hook) (const char *, va_list)
1128 ATTRIBUTE_FPTR_PRINTF(1,0);
1129 extern void (*deprecated_warning_hook) (const char *, va_list)
1130 ATTRIBUTE_FPTR_PRINTF(1,0);
1131 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1132 extern void (*deprecated_create_breakpoint_hook) (struct breakpoint * b);
1133 extern void (*deprecated_delete_breakpoint_hook) (struct breakpoint * bpt);
1134 extern void (*deprecated_modify_breakpoint_hook) (struct breakpoint * bpt);
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_memory_changed_hook) (CORE_ADDR addr, int len);
1142 extern void (*deprecated_context_hook) (int);
1143 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1144 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_hook) (void);
1155 extern void (*deprecated_error_begin_hook) (void);
1157 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1161 /* Inhibit window interface if non-zero. */
1163 extern int use_windows;
1165 /* Symbolic definitions of filename-related things. */
1166 /* FIXME, this doesn't work very well if host and executable
1167 filesystems conventions are different. */
1171 # define GLOBAL_CURDIR
1172 # define DIRNAME_SEPARATOR ';'
1175 #if !defined (__CYGWIN__) && defined (_WIN32)
1176 # define DIRNAME_SEPARATOR ';'
1179 #ifndef DIRNAME_SEPARATOR
1180 #define DIRNAME_SEPARATOR ':'
1183 #ifndef SLASH_STRING
1184 #define SLASH_STRING "/"
1187 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1188 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1189 in the code actually refer to a lightweight process id, i.e,
1190 something that can be considered a process id in its own right for
1191 certain purposes. */
1194 #define PIDGET(PTID) (ptid_get_pid (PTID))
1195 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1196 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1199 /* Define well known filenos if the system does not define them. */
1200 #ifndef STDIN_FILENO
1201 #define STDIN_FILENO 0
1203 #ifndef STDOUT_FILENO
1204 #define STDOUT_FILENO 1
1206 #ifndef STDERR_FILENO
1207 #define STDERR_FILENO 2
1210 /* If this definition isn't overridden by the header files, assume
1211 that isatty and fileno exist on this system. */
1213 #define ISATTY(FP) (isatty (fileno (FP)))
1216 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1217 power of 2). Round up/down when necessary. Examples of correct
1220 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1221 write_memory (addr, value, len);
1226 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1227 write_memory (sp, value, len);
1229 Note that uses such as:
1231 write_memory (addr, value, len);
1232 addr += align_up (len, 8);
1236 sp -= align_up (len, 8);
1237 write_memory (sp, value, len);
1239 are typically not correct as they don't ensure that the address (SP
1240 or ADDR) is correctly aligned (relying on previous alignment to
1241 keep things right). This is also why the methods are called
1242 "align_..." instead of "round_..." as the latter reads better with
1243 this incorrect coding style. */
1245 extern ULONGEST align_up (ULONGEST v, int n);
1246 extern ULONGEST align_down (ULONGEST v, int n);
1248 /* Allocation and deallocation functions for the libiberty hash table
1249 which use obstacks. */
1250 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1251 void dummy_obstack_deallocate (void *object, void *data);
1253 #endif /* #ifndef DEFS_H */