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 */
288 /* This really belong in utils.c (path-utils.c?), but it references some
289 globals that are currently only available to main.c. */
290 extern char *relocate_gdb_directory (const char *initial, int flag);
294 extern void initialize_utils (void);
296 extern void notice_quit (void);
298 extern int strcmp_iw (const char *, const char *);
300 extern int strcmp_iw_ordered (const char *, const char *);
302 extern int streq (const char *, const char *);
304 extern int subset_compare (char *, char *);
306 extern char *safe_strerror (int);
308 extern void set_display_time (int);
310 extern void set_display_space (int);
312 #define ALL_CLEANUPS ((struct cleanup *)0)
314 extern void do_cleanups (struct cleanup *);
315 extern void do_final_cleanups (struct cleanup *);
317 extern void discard_cleanups (struct cleanup *);
318 extern void discard_final_cleanups (struct cleanup *);
319 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
321 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
322 make_cleanup function declarations below. Do not use this typedef
323 as a cast when passing functions into the make_cleanup() code.
324 Instead either use a bounce function or add a wrapper function.
325 Calling a f(char*) function with f(void*) is non-portable. */
326 typedef void (make_cleanup_ftype) (void *);
328 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
330 extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
331 void (*dtor) (void *));
333 extern struct cleanup *make_cleanup_freeargv (char **);
336 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
339 extern struct cleanup *
340 make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
342 struct section_addr_info;
343 extern struct cleanup *(make_cleanup_free_section_addr_info
344 (struct section_addr_info *));
346 extern struct cleanup *make_cleanup_close (int fd);
348 extern struct cleanup *make_cleanup_fclose (FILE *file);
350 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
353 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
355 extern struct cleanup *make_cleanup_restore_integer (int *variable);
356 extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
359 extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
361 extern struct cleanup *
362 make_cleanup_restore_ui_file (struct ui_file **variable);
364 extern struct cleanup *make_cleanup_value_free_to_mark (struct value *);
365 extern struct cleanup *make_cleanup_value_free (struct value *);
367 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
369 extern struct cleanup *make_my_cleanup (struct cleanup **,
370 make_cleanup_ftype *, void *);
372 extern struct cleanup *make_my_cleanup2 (struct cleanup **,
373 make_cleanup_ftype *, void *,
374 void (*free_arg) (void *));
376 extern struct cleanup *save_cleanups (void);
377 extern struct cleanup *save_final_cleanups (void);
378 extern struct cleanup *save_my_cleanups (struct cleanup **);
380 extern void restore_cleanups (struct cleanup *);
381 extern void restore_final_cleanups (struct cleanup *);
382 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
384 extern void free_current_contents (void *);
386 extern void null_cleanup (void *);
388 extern struct cleanup *make_command_stats_cleanup (int);
390 extern int myread (int, char *, int);
392 extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
393 extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
394 extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
396 extern void init_page_info (void);
398 extern struct cleanup *make_cleanup_restore_page_info (void);
399 extern struct cleanup *
400 set_batch_flag_and_make_cleanup_restore_page_info (void);
402 extern char *gdb_realpath (const char *);
403 extern char *xfullpath (const char *);
405 extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
406 unsigned char *buf, size_t len);
408 ULONGEST strtoulst (const char *num, const char **trailer, int base);
410 char *ldirname (const char *filename);
412 char **gdb_buildargv (const char *);
414 int compare_positive_ints (const void *ap, const void *bp);
416 /* A wrapper for bfd_errmsg to produce a more helpful error message
417 in the case of bfd_error_file_ambiguously recognized.
418 MATCHING, if non-NULL, is the corresponding argument to
419 bfd_check_format_matches, and will be freed. */
421 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
423 extern int parse_pid_to_attach (char *args);
425 /* From demangle.c */
427 extern void set_demangling_style (char *);
430 /* Annotation stuff. */
432 extern int annotation_level; /* in stack.c */
434 extern void begin_line (void);
436 extern void wrap_here (char *);
438 extern void reinitialize_more_filter (void);
441 extern struct ui_file *gdb_stdout;
443 extern struct ui_file *gdb_stdin;
444 /* Serious error notifications */
445 extern struct ui_file *gdb_stderr;
446 /* Log/debug/trace messages that should bypass normal stdout/stderr
447 filtering. For moment, always call this stream using
448 *_unfiltered. In the very near future that restriction shall be
449 removed - either call shall be unfiltered. (cagney 1999-06-13). */
450 extern struct ui_file *gdb_stdlog;
451 /* Target output that should bypass normal stdout/stderr filtering.
452 For moment, always call this stream using *_unfiltered. In the
453 very near future that restriction shall be removed - either call
454 shall be unfiltered. (cagney 1999-07-02). */
455 extern struct ui_file *gdb_stdtarg;
456 extern struct ui_file *gdb_stdtargerr;
457 extern struct ui_file *gdb_stdtargin;
461 /* More generic printf like operations. Filtered versions may return
462 non-locally on error. */
464 extern void fputs_filtered (const char *, struct ui_file *);
466 extern void fputs_unfiltered (const char *, struct ui_file *);
468 extern int fputc_filtered (int c, struct ui_file *);
470 extern int fputc_unfiltered (int c, struct ui_file *);
472 extern int putchar_filtered (int c);
474 extern int putchar_unfiltered (int c);
476 extern void puts_filtered (const char *);
478 extern void puts_unfiltered (const char *);
480 extern void puts_filtered_tabular (char *string, int width, int right);
482 extern void puts_debug (char *prefix, char *string, char *suffix);
484 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
486 extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
487 ATTRIBUTE_PRINTF (2, 0);
489 extern void fprintf_filtered (struct ui_file *, const char *, ...)
490 ATTRIBUTE_PRINTF (2, 3);
492 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
493 ATTRIBUTE_PRINTF (3, 4);
495 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
497 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
499 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
501 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
502 ATTRIBUTE_PRINTF (2, 0);
504 extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
505 ATTRIBUTE_PRINTF (2, 3);
507 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
509 extern void print_spaces (int, struct ui_file *);
511 extern void print_spaces_filtered (int, struct ui_file *);
513 extern char *n_spaces (int);
515 extern void fputstr_filtered (const char *str, int quotr,
516 struct ui_file * stream);
518 extern void fputstr_unfiltered (const char *str, int quotr,
519 struct ui_file * stream);
521 extern void fputstrn_filtered (const char *str, int n, int quotr,
522 struct ui_file * stream);
524 extern void fputstrn_unfiltered (const char *str, int n, int quotr,
525 struct ui_file * stream);
527 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
528 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
530 extern const char *host_address_to_string (const void *addr);
532 /* Convert CORE_ADDR to string in platform-specific manner.
533 This is usually formatted similar to 0x%lx. */
534 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
536 /* Return a string representation in hexadecimal notation of ADDRESS,
537 which is suitable for printing. */
539 extern const char *print_core_address (struct gdbarch *gdbarch,
543 extern char *plongest (LONGEST l);
544 /* %u for ULONGEST */
545 extern char *pulongest (ULONGEST l);
547 extern char *phex (ULONGEST l, int sizeof_l);
548 extern char *phex_nz (ULONGEST l, int sizeof_l);
549 extern char *int_string (LONGEST, int, int, int, int);
551 /* Convert a CORE_ADDR into a HEX string with leading zeros.
552 The output from core_addr_to_string() can be passed direct to
553 string_to_core_addr(). */
554 extern const char *core_addr_to_string (const CORE_ADDR addr);
555 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
556 extern CORE_ADDR string_to_core_addr (const char *my_string);
558 /* Return a string that contains a number formatted as a hex
560 extern char *hex_string (LONGEST);
561 extern char *hex_string_custom (LONGEST, int);
563 extern void fprintf_symbol_filtered (struct ui_file *, char *,
566 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
568 extern void print_sys_errmsg (const char *, int);
570 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
571 "const char *" in unistd.h, so we can't declare the argument
574 extern char *re_comp (const char *);
578 extern void symbol_file_command (char *, int);
580 /* Remote targets may wish to use this as their load function. */
581 extern void generic_load (char *name, int from_tty);
583 /* Report on STREAM the performance of memory transfer operation,
585 DATA_COUNT is the number of bytes transferred.
586 WRITE_COUNT is the number of separate write operations, or 0,
587 if that information is not available.
588 START_TIME is the time at which an operation was started.
589 END_TIME is the time at which an operation ended. */
591 extern void print_transfer_performance (struct ui_file *stream,
592 unsigned long data_count,
593 unsigned long write_count,
594 const struct timeval *start_time,
595 const struct timeval *end_time);
599 typedef void initialize_file_ftype (void);
601 extern char *skip_quoted (char *);
603 extern char *gdb_readline (char *);
605 extern char *gdb_readline_wrapper (char *);
607 extern char *command_line_input (char *, int, char *);
609 extern void print_prompt (void);
611 extern int input_from_terminal_p (void);
613 extern int info_verbose;
615 /* From printcmd.c */
617 extern void set_next_address (struct gdbarch *, CORE_ADDR);
619 extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
620 struct ui_file *, int, char *);
622 extern int build_address_symbolic (struct gdbarch *,
631 extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
632 extern const char *pc_prefix (CORE_ADDR);
636 #define OPF_TRY_CWD_FIRST 0x01
637 #define OPF_SEARCH_IN_PATH 0x02
639 extern int openp (const char *, int, const char *, int, char **);
641 extern int source_full_path_of (const char *, char **);
643 extern void mod_path (char *, char **);
645 extern void add_path (char *, char **, int);
647 extern void directory_command (char *, int);
649 extern void directory_switch (char *, int);
651 extern char *source_path;
653 extern void init_source_path (void);
657 typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
658 int read, int write, int exec,
661 /* Take over the 'find_mapped_memory' vector from exec.c. */
662 extern void exec_set_find_memory_regions
663 (int (*func) (find_memory_region_ftype func, void *data));
665 /* Possible lvalue types. Like enum language, this should be in
666 value.h, but needs to be here for the same reason. */
674 /* In a register. Registers are relative to a frame. */
676 /* In a gdb internal variable. */
678 /* Part of a gdb internal variable (structure field). */
679 lval_internalvar_component,
680 /* Value's bits are fetched and stored using functions provided by
685 /* Control types for commands */
687 enum misc_command_type
695 enum command_control_type
704 while_stepping_control,
708 /* Structure for saved commands lines
709 (for breakpoints, defined commands, etc). */
713 struct command_line *next;
715 enum command_control_type control_type;
716 /* The number of elements in body_list. */
718 /* For composite commands, the nested lists of commands. For
719 example, for "if" command this will contain the then branch and
720 the else branch, if that is available. */
721 struct command_line **body_list;
724 extern struct command_line *read_command_lines (char *, int, int,
725 void (*)(char *, void *),
727 extern struct command_line *read_command_lines_1 (char * (*) (void), int,
728 void (*)(char *, void *),
731 extern void free_command_lines (struct command_line **);
736 /* String containing the current directory (what getwd would return). */
738 extern char *current_directory;
740 /* Default radixes for input and output. Only some values supported. */
741 extern unsigned input_radix;
742 extern unsigned output_radix;
744 /* Possibilities for prettyprint parameters to routines which print
745 things. Like enum language, this should be in value.h, but needs
746 to be here for the same reason. FIXME: If we can eliminate this
747 as an arg to LA_VAL_PRINT, then we can probably move it back to
752 Val_no_prettyprint = 0,
754 /* Use the default setting which the user has specified. */
758 /* The ptid struct is a collection of the various "ids" necessary
759 for identifying the inferior. This consists of the process id
760 (pid), thread id (tid), and other fields necessary for uniquely
761 identifying the inferior process/thread being debugged. When
762 manipulating ptids, the constructors, accessors, and predicate
763 declared in inferior.h should be used. These are as follows:
765 ptid_build - Make a new ptid from a pid, lwp, and tid.
766 pid_to_ptid - Make a new ptid from just a pid.
767 ptid_get_pid - Fetch the pid component of a ptid.
768 ptid_get_lwp - Fetch the lwp component of a ptid.
769 ptid_get_tid - Fetch the tid component of a ptid.
770 ptid_equal - Test to see if two ptids are equal.
771 ptid_is_pid - Test to see if this ptid represents a process id.
773 Please do NOT access the struct ptid members directly (except, of
774 course, in the implementation of the above ptid manipulation
782 /* Lightweight process id */
789 typedef struct ptid ptid_t;
793 /* Optional native machine support. Non-native (and possibly pure
794 multi-arch) targets do not need a "nm.h" file. This will be a
795 symlink to one of the nm-*.h files, built by the `configure'
802 /* Assume that fopen accepts the letter "b" in the mode string.
803 It is demanded by ISO C9X, and should be supported on all
804 platforms that claim to have a standard-conforming C library. On
805 true POSIX systems it will be ignored and have no effect. There
806 may still be systems without a standard-conforming C library where
807 an ISO C9X compiler (GCC) is available. Known examples are SunOS
808 4.x and 4.3BSD. This assumption means these systems are no longer
811 # include "fopen-bin.h"
814 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
815 FIXME: Assumes 2's complement arithmetic. */
817 #if !defined (UINT_MAX)
818 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
821 #if !defined (INT_MAX)
822 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
825 #if !defined (INT_MIN)
826 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
829 #if !defined (ULONG_MAX)
830 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
833 #if !defined (LONG_MAX)
834 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
837 #if !defined (ULONGEST_MAX)
838 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
841 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
842 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
845 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
846 arguments to a function, number in a value history, register number, etc.)
847 where the value must not be larger than can fit in an int. */
849 extern int longest_to_int (LONGEST);
851 /* Assorted functions we can declare, now that const and volatile are
854 extern char *savestring (const char *, size_t);
856 /* xmalloc(), xrealloc() and xcalloc() have already been declared in
858 extern void xfree (void *);
860 /* Like xmalloc, but zero the memory. */
861 extern void *xzalloc (size_t);
863 /* Utility macros to allocate typed memory. Avoids errors like:
864 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
865 sizeof (struct foo), 0). */
866 #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
867 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
868 #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
870 /* Like asprintf/vasprintf but get an internal_error if the call
872 extern void xasprintf (char **ret, const char *format, ...)
873 ATTRIBUTE_PRINTF (2, 3);
874 extern void xvasprintf (char **ret, const char *format, va_list ap)
875 ATTRIBUTE_PRINTF (2, 0);
877 /* Like asprintf and vasprintf, but return the string, throw an error
879 extern char *xstrprintf (const char *format, ...) ATTRIBUTE_PRINTF (1, 2);
880 extern char *xstrvprintf (const char *format, va_list ap)
881 ATTRIBUTE_PRINTF (1, 0);
883 /* Like snprintf, but throw an error if the output buffer is too small. */
884 extern int xsnprintf (char *str, size_t size, const char *format, ...)
885 ATTRIBUTE_PRINTF (3, 4);
887 extern int parse_escape (struct gdbarch *, char **);
889 /* Message to be printed before the error message, when an error occurs. */
891 extern char *error_pre_print;
893 /* Message to be printed before the error message, when an error occurs. */
895 extern char *quit_pre_print;
897 /* Message to be printed before the warning message, when a warning occurs. */
899 extern char *warning_pre_print;
901 extern void verror (const char *fmt, va_list ap)
902 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
904 extern void error (const char *fmt, ...)
905 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
907 extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
909 extern void vfatal (const char *fmt, va_list ap)
910 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
912 extern void fatal (const char *fmt, ...)
913 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
915 extern void internal_verror (const char *file, int line, const char *,
917 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
919 extern void internal_error (const char *file, int line, const char *, ...)
920 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 4);
922 extern void internal_vwarning (const char *file, int line,
923 const char *, va_list ap)
924 ATTRIBUTE_PRINTF (3, 0);
926 extern void internal_warning (const char *file, int line,
927 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
929 extern void nomem (long) ATTRIBUTE_NORETURN;
931 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
933 extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
935 /* List of known OS ABIs. If you change this, make sure to update the
939 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
941 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
948 GDB_OSABI_FREEBSD_AOUT,
949 GDB_OSABI_FREEBSD_ELF,
950 GDB_OSABI_NETBSD_AOUT,
951 GDB_OSABI_NETBSD_ELF,
952 GDB_OSABI_OPENBSD_ELF,
966 GDB_OSABI_INVALID /* keep this last */
969 /* Global functions from other, non-gdb GNU thingies.
970 Libiberty thingies are no longer declared here. We include libiberty.h
973 /* From other system libraries */
983 #define min(a, b) ((a) < (b) ? (a) : (b))
986 #define max(a, b) ((a) > (b) ? (a) : (b))
991 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
994 /* Various possibilities for alloca. */
997 #define alloca __builtin_alloca
998 #else /* Not GNU C */
1006 /* We need to be careful not to declare this in a way which conflicts with
1007 bison. Bison never declares it as char *, but under various circumstances
1008 (like __hpux) we need to use void *. */
1009 extern void *alloca ();
1010 #endif /* Not _AIX */
1011 #endif /* Not HAVE_ALLOCA_H */
1012 #endif /* Not GNU C */
1013 #endif /* alloca not defined */
1015 /* Dynamic target-system-dependent parameters for GDB. */
1016 #include "gdbarch.h"
1018 /* Maximum size of a register. Something small, but large enough for
1019 all known ISAs. If it turns out to be too small, make it bigger. */
1021 enum { MAX_REGISTER_SIZE = 64 };
1023 /* Static target-system-dependent parameters for GDB. */
1025 /* Number of bits in a char or unsigned char for the target machine.
1026 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1027 #if !defined (TARGET_CHAR_BIT)
1028 #define TARGET_CHAR_BIT 8
1031 /* If we picked up a copy of CHAR_BIT from a configuration file
1032 (which may get it by including <limits.h>) then use it to set
1033 the number of bits in a host char. If not, use the same size
1036 #if defined (CHAR_BIT)
1037 #define HOST_CHAR_BIT CHAR_BIT
1039 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1044 extern LONGEST extract_signed_integer (const gdb_byte *, int,
1047 extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
1050 extern int extract_long_unsigned_integer (const gdb_byte *, int,
1051 enum bfd_endian, LONGEST *);
1053 extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1056 extern void store_signed_integer (gdb_byte *, int,
1057 enum bfd_endian, LONGEST);
1059 extern void store_unsigned_integer (gdb_byte *, int,
1060 enum bfd_endian, ULONGEST);
1062 extern void store_typed_address (gdb_byte *buf, struct type *type,
1068 extern int watchdog;
1070 /* Hooks for alternate command interfaces. */
1072 /* The name of the interpreter if specified on the command line. */
1073 extern char *interpreter_p;
1075 /* If a given interpreter matches INTERPRETER_P then it should update
1076 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1077 per-interpreter implementation. */
1078 /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1079 should be moved here. */
1081 struct target_waitstatus;
1082 struct cmd_list_element;
1084 extern void (*deprecated_pre_add_symbol_hook) (const char *);
1085 extern void (*deprecated_post_add_symbol_hook) (void);
1086 extern void (*selected_frame_level_changed_hook) (int);
1087 extern int (*deprecated_ui_loop_hook) (int signo);
1088 extern void (*deprecated_init_ui_hook) (char *argv0);
1089 extern void (*deprecated_command_loop_hook) (void);
1090 extern void (*deprecated_show_load_progress) (const char *section,
1091 unsigned long section_sent,
1092 unsigned long section_size,
1093 unsigned long total_sent,
1094 unsigned long total_size);
1095 extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1099 extern int (*deprecated_query_hook) (const char *, va_list)
1100 ATTRIBUTE_FPTR_PRINTF(1,0);
1101 extern void (*deprecated_warning_hook) (const char *, va_list)
1102 ATTRIBUTE_FPTR_PRINTF(1,0);
1103 extern void (*deprecated_flush_hook) (struct ui_file * stream);
1104 extern void (*deprecated_interactive_hook) (void);
1105 extern void (*deprecated_readline_begin_hook) (char *, ...)
1106 ATTRIBUTE_FPTR_PRINTF_1;
1107 extern char *(*deprecated_readline_hook) (char *);
1108 extern void (*deprecated_readline_end_hook) (void);
1109 extern void (*deprecated_register_changed_hook) (int regno);
1110 extern void (*deprecated_context_hook) (int);
1111 extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1112 struct target_waitstatus *status,
1115 extern void (*deprecated_attach_hook) (void);
1116 extern void (*deprecated_detach_hook) (void);
1117 extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1118 char *cmd, int from_tty);
1120 extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1122 extern void (*deprecated_error_begin_hook) (void);
1124 extern int (*deprecated_ui_load_progress_hook) (const char *section,
1128 /* Inhibit window interface if non-zero. */
1130 extern int use_windows;
1132 /* Definitions of filename-related things. */
1134 /* Host specific things. */
1138 # define GLOBAL_CURDIR
1139 # define DIRNAME_SEPARATOR ';'
1142 #if !defined (__CYGWIN__) && defined (_WIN32)
1143 # define DIRNAME_SEPARATOR ';'
1146 #ifndef DIRNAME_SEPARATOR
1147 #define DIRNAME_SEPARATOR ':'
1150 #ifndef SLASH_STRING
1151 #define SLASH_STRING "/"
1154 /* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1155 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1156 in the code actually refer to a lightweight process id, i.e,
1157 something that can be considered a process id in its own right for
1158 certain purposes. */
1161 #define PIDGET(PTID) (ptid_get_pid (PTID))
1162 #define TIDGET(PTID) (ptid_get_lwp (PTID))
1163 #define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1166 /* Define well known filenos if the system does not define them. */
1167 #ifndef STDIN_FILENO
1168 #define STDIN_FILENO 0
1170 #ifndef STDOUT_FILENO
1171 #define STDOUT_FILENO 1
1173 #ifndef STDERR_FILENO
1174 #define STDERR_FILENO 2
1177 /* If this definition isn't overridden by the header files, assume
1178 that isatty and fileno exist on this system. */
1180 #define ISATTY(FP) (isatty (fileno (FP)))
1183 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1184 power of 2). Round up/down when necessary. Examples of correct
1187 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1188 write_memory (addr, value, len);
1193 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1194 write_memory (sp, value, len);
1196 Note that uses such as:
1198 write_memory (addr, value, len);
1199 addr += align_up (len, 8);
1203 sp -= align_up (len, 8);
1204 write_memory (sp, value, len);
1206 are typically not correct as they don't ensure that the address (SP
1207 or ADDR) is correctly aligned (relying on previous alignment to
1208 keep things right). This is also why the methods are called
1209 "align_..." instead of "round_..." as the latter reads better with
1210 this incorrect coding style. */
1212 extern ULONGEST align_up (ULONGEST v, int n);
1213 extern ULONGEST align_down (ULONGEST v, int n);
1215 /* Allocation and deallocation functions for the libiberty hash table
1216 which use obstacks. */
1217 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1218 void dummy_obstack_deallocate (void *object, void *data);
1220 /* From progspace.c */
1222 extern void initialize_progspace (void);
1223 extern void initialize_inferiors (void);
1225 /* Special block numbers */
1231 FIRST_LOCAL_BLOCK = 2
1234 #endif /* #ifndef DEFS_H */