1 /* Basic, host-specific, and target-specific definitions for GDB.
2 Copyright (C) 1986, 89, 91, 92, 93, 94, 95, 96, 1998
3 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24 #include "config.h" /* Generated by configure */
26 #include <errno.h> /* System call error return status */
31 # include <sys/types.h> /* for size_t */
34 /* Just in case they're not defined in stdio.h. */
43 /* First include ansidecl.h so we can use the various macro definitions
44 here and in all subsequent file inclusions. */
48 #ifdef ANSI_PROTOTYPES
54 #include "libiberty.h"
56 /* libiberty.h can't declare this one, but evidently we can. */
57 extern char *strsignal PARAMS ((int));
65 /* For BFD64 and bfd_vma. */
68 /* An address in the program being debugged. Host byte order. Rather
69 than duplicate all the logic in BFD which figures out what type
70 this is (long, long long, etc.) and whether it needs to be 64
71 bits (the host/target interactions are subtle), we just use
74 typedef bfd_vma CORE_ADDR;
77 #define min(a, b) ((a) < (b) ? (a) : (b))
80 #define max(a, b) ((a) > (b) ? (a) : (b))
83 /* Gdb does *lots* of string compares. Use macros to speed them up by
84 avoiding function calls if the first characters are not the same. */
86 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
87 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
88 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
90 /* The character GNU C++ uses to build identifiers that must be unique from
91 the program's identifiers (such as $this and $$vptr). */
92 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
94 /* Check if a character is one of the commonly used C++ marker characters. */
95 extern int is_cplus_marker PARAMS ((int));
98 extern int immediate_quit;
99 extern int sevenbit_strings;
101 extern void quit PARAMS ((void));
104 /* do twice to force compiler warning */
105 #define QUIT_FIXME "FIXME"
106 #define QUIT_FIXME "ignoring redefinition of QUIT"
109 if (quit_flag) quit (); \
110 if (interactive_hook) interactive_hook (); \
115 /* Command classes are top-level categories into which commands are broken
116 down for "help" purposes.
117 Notes on classes: class_alias is for alias commands which are not
118 abbreviations of the original command. class-pseudo is for commands
119 which are not really commands nor help topics ("stop"). */
123 /* Special args to help_list */
124 all_classes = -2, all_commands = -1,
125 /* Classes of commands */
126 no_class = -1, class_run = 0, class_vars, class_stack,
127 class_files, class_support, class_info, class_breakpoint, class_trace,
128 class_alias, class_obscure, class_user, class_maintenance,
132 /* Languages represented in the symbol table and elsewhere.
133 This should probably be in language.h, but since enum's can't
134 be forward declared to satisfy opaque references before their
135 actual definition, needs to be here. */
139 language_unknown, /* Language not known */
140 language_auto, /* Placeholder for automatic setting */
142 language_cplus, /* C++ */
143 /* start-sanitize-java */
144 language_java, /* Java */
145 /* end-sanitize-java */
146 language_chill, /* Chill */
147 language_fortran, /* Fortran */
148 language_m2, /* Modula-2 */
149 language_asm, /* Assembly language */
150 language_scm /* Scheme / Guile */
153 /* the cleanup list records things that have to be undone
154 if an error happens (descriptors to be closed, memory to be freed, etc.)
155 Each link in the chain records a function to call and an
158 Use make_cleanup to add an element to the cleanup chain.
159 Use do_cleanups to do all cleanup actions back to a given
160 point in the chain. Use discard_cleanups to remove cleanups
161 from the chain back to a given point, not doing them. */
165 struct cleanup *next;
166 void (*function) PARAMS ((PTR));
171 /* The ability to declare that a function never returns is useful, but
172 not really required to compile GDB successfully, so the NORETURN and
173 ATTR_NORETURN macros normally expand into nothing. */
175 /* If compiling with older versions of GCC, a function may be declared
176 "volatile" to indicate that it does not return. */
179 # if defined(__GNUC__) \
180 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
181 # define NORETURN volatile
183 # define NORETURN /* nothing */
187 /* GCC 2.5 and later versions define a function attribute "noreturn",
188 which is the preferred way to declare that a function never returns.
189 However GCC 2.7 appears to be the first version in which this fully
190 works everywhere we use it. */
192 #ifndef ATTR_NORETURN
193 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
194 # define ATTR_NORETURN __attribute__ ((noreturn))
196 # define ATTR_NORETURN /* nothing */
201 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 && defined (__ANSI_PROTOTYPES)
202 # define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
204 # define ATTR_FORMAT(type, x, y) /* nothing */
208 /* Needed for various prototypes */
215 /* From blockframe.c */
217 extern int inside_entry_func PARAMS ((CORE_ADDR));
219 extern int inside_entry_file PARAMS ((CORE_ADDR addr));
221 extern int inside_main_func PARAMS ((CORE_ADDR pc));
223 /* From ch-lang.c, for the moment. (FIXME) */
225 extern char *chill_demangle PARAMS ((const char *));
229 extern void notice_quit PARAMS ((void));
231 extern int strcmp_iw PARAMS ((const char *, const char *));
233 extern char *safe_strerror PARAMS ((int));
235 extern char *safe_strsignal PARAMS ((int));
237 extern void init_malloc PARAMS ((void *));
239 extern void request_quit PARAMS ((int));
241 extern void do_cleanups PARAMS ((struct cleanup *));
242 extern void do_final_cleanups PARAMS ((struct cleanup *));
243 extern void do_my_cleanups PARAMS ((struct cleanup **, struct cleanup *));
244 extern void do_run_cleanups PARAMS ((struct cleanup *));
246 extern void discard_cleanups PARAMS ((struct cleanup *));
247 extern void discard_final_cleanups PARAMS ((struct cleanup *));
248 extern void discard_my_cleanups PARAMS ((struct cleanup **, struct cleanup *));
250 typedef void (*make_cleanup_func) PARAMS ((void *));
252 extern struct cleanup *make_cleanup PARAMS ((make_cleanup_func, void *));
254 extern struct cleanup *make_final_cleanup PARAMS ((make_cleanup_func, void *));
256 extern struct cleanup *make_my_cleanup PARAMS ((struct cleanup **,
257 make_cleanup_func, void *));
259 extern struct cleanup *make_run_cleanup PARAMS ((make_cleanup_func, void *));
261 extern struct cleanup *save_cleanups PARAMS ((void));
262 extern struct cleanup *save_final_cleanups PARAMS ((void));
263 extern struct cleanup *save_my_cleanups PARAMS ((struct cleanup **));
265 extern void restore_cleanups PARAMS ((struct cleanup *));
266 extern void restore_final_cleanups PARAMS ((struct cleanup *));
267 extern void restore_my_cleanups PARAMS ((struct cleanup **, struct cleanup *));
269 extern void free_current_contents PARAMS ((char **));
271 extern void null_cleanup PARAMS ((PTR));
273 extern int myread PARAMS ((int, char *, int));
275 extern int query PARAMS((char *, ...))
276 ATTR_FORMAT(printf, 1, 2);
278 #if !defined (USE_MMALLOC)
279 extern PTR mmalloc PARAMS ((PTR, size_t));
280 extern PTR mrealloc PARAMS ((PTR, PTR, size_t));
281 extern void mfree PARAMS ((PTR, PTR));
284 /* From demangle.c */
286 extern void set_demangling_style PARAMS ((char *));
291 typedef int (use_struct_convention_fn) PARAMS ((int gcc_p, struct type *value_type));
292 extern use_struct_convention_fn generic_use_struct_convention;
294 typedef unsigned char *(breakpoint_from_pc_fn) PARAMS ((CORE_ADDR *pcptr, int *lenptr));
298 /* Annotation stuff. */
300 extern int annotation_level; /* in stack.c */
302 extern void begin_line PARAMS ((void));
304 extern void wrap_here PARAMS ((char *));
306 extern void reinitialize_more_filter PARAMS ((void));
308 typedef FILE GDB_FILE;
309 #define gdb_stdout stdout
310 #define gdb_stderr stderr
312 extern void gdb_flush PARAMS ((GDB_FILE *));
314 extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode));
316 extern void fputs_filtered PARAMS ((const char *, GDB_FILE *));
318 extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *));
320 extern int fputc_filtered PARAMS ((int c, GDB_FILE *));
322 extern int fputc_unfiltered PARAMS ((int c, GDB_FILE *));
324 extern int putchar_unfiltered PARAMS ((int c));
326 extern void puts_filtered PARAMS ((const char *));
328 extern void puts_unfiltered PARAMS ((const char *));
330 extern void puts_debug PARAMS ((char *prefix, char *string, char *suffix));
332 extern void vprintf_filtered PARAMS ((const char *, va_list))
333 ATTR_FORMAT(printf, 1, 0);
335 extern void vfprintf_filtered PARAMS ((FILE *, const char *, va_list))
336 ATTR_FORMAT(printf, 2, 0);
338 extern void fprintf_filtered PARAMS ((FILE *, const char *, ...))
339 ATTR_FORMAT(printf, 2, 3);
341 extern void fprintfi_filtered PARAMS ((int, FILE *, const char *, ...))
342 ATTR_FORMAT(printf, 3, 4);
344 extern void printf_filtered PARAMS ((const char *, ...))
345 ATTR_FORMAT(printf, 1, 2);
347 extern void printfi_filtered PARAMS ((int, const char *, ...))
348 ATTR_FORMAT(printf, 2, 3);
350 extern void vprintf_unfiltered PARAMS ((const char *, va_list))
351 ATTR_FORMAT(printf, 1, 0);
353 extern void vfprintf_unfiltered PARAMS ((FILE *, const char *, va_list))
354 ATTR_FORMAT(printf, 2, 0);
356 extern void fprintf_unfiltered PARAMS ((FILE *, const char *, ...))
357 ATTR_FORMAT(printf, 2, 3);
359 extern void printf_unfiltered PARAMS ((const char *, ...))
360 ATTR_FORMAT(printf, 1, 2);
362 extern void print_spaces PARAMS ((int, GDB_FILE *));
364 extern void print_spaces_filtered PARAMS ((int, GDB_FILE *));
366 extern char *n_spaces PARAMS ((int));
368 extern void gdb_printchar PARAMS ((int, GDB_FILE *, int));
370 extern void gdb_print_address PARAMS ((void *, GDB_FILE *));
372 typedef bfd_vma t_addr;
373 typedef bfd_vma t_reg;
374 extern char* paddr PARAMS ((t_addr addr));
376 extern char* preg PARAMS ((t_reg reg));
378 extern char* paddr_nz PARAMS ((t_addr addr));
380 extern char* preg_nz PARAMS ((t_reg reg));
382 extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *,
383 enum language, int));
385 extern NORETURN void perror_with_name PARAMS ((char *)) ATTR_NORETURN;
387 extern void print_sys_errmsg PARAMS ((char *, int));
389 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
390 "const char *" in unistd.h, so we can't declare the argument
393 extern char *re_comp PARAMS ((const char *));
397 extern void symbol_file_command PARAMS ((char *, int));
401 extern char *skip_quoted PARAMS ((char *));
403 extern char *gdb_readline PARAMS ((char *));
405 extern char *command_line_input PARAMS ((char *, int, char *));
407 extern void print_prompt PARAMS ((void));
409 extern int input_from_terminal_p PARAMS ((void));
411 extern int info_verbose;
413 /* From printcmd.c */
415 extern void set_next_address PARAMS ((CORE_ADDR));
417 extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int,
420 extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *));
422 extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *));
426 extern int openp PARAMS ((char *, int, char *, int, int, char **));
428 extern void mod_path PARAMS ((char *, char **));
430 extern void directory_command PARAMS ((char *, int));
432 extern void init_source_path PARAMS ((void));
434 extern char *symtab_to_filename PARAMS ((struct symtab *));
438 extern int read_relative_register_raw_bytes PARAMS ((int, char *));
440 /* From readline (but not in any readline .h files). */
442 extern char *tilde_expand PARAMS ((char *));
444 /* Control types for commands */
446 enum misc_command_type
454 enum command_control_type
464 /* Structure for saved commands lines
465 (for breakpoints, defined commands, etc). */
469 struct command_line *next;
471 enum command_control_type control_type;
473 struct command_line **body_list;
476 extern struct command_line *read_command_lines PARAMS ((char *, int));
478 extern void free_command_lines PARAMS ((struct command_line **));
480 /* String containing the current directory (what getwd would return). */
482 extern char *current_directory;
484 /* Default radixes for input and output. Only some values supported. */
485 extern unsigned input_radix;
486 extern unsigned output_radix;
488 /* Possibilities for prettyprint parameters to routines which print
489 things. Like enum language, this should be in value.h, but needs
490 to be here for the same reason. FIXME: If we can eliminate this
491 as an arg to LA_VAL_PRINT, then we can probably move it back to
496 Val_no_prettyprint = 0,
498 /* Use the default setting which the user has specified. */
503 /* Host machine definition. This will be a symlink to one of the
504 xm-*.h files, built by the `configure' script. */
508 /* Native machine support. This will be a symlink to one of the
509 nm-*.h files, built by the `configure' script. */
513 /* Target machine definition. This will be a symlink to one of the
514 tm-*.h files, built by the `configure' script. */
518 /* If the xm.h file did not define the mode string used to open the
519 files, assume that binary files are opened the same way as text
522 #include "fopen-same.h"
525 /* Microsoft C can't deal with const pointers */
530 #define CONST_PTR const
534 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
535 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
536 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
537 * objects be read-write rather than read-only.
543 # define volatile __volatile__
545 # define volatile /*nothing*/
548 #endif /* volatile */
550 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
551 FIXME: Assumes 2's complement arithmetic */
553 #if !defined (UINT_MAX)
554 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
557 #if !defined (INT_MAX)
558 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
561 #if !defined (INT_MIN)
562 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
565 #if !defined (ULONG_MAX)
566 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
569 #if !defined (LONG_MAX)
570 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
577 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
579 #define LONGEST BFD_HOST_64_BIT
580 #define ULONGEST BFD_HOST_U_64_BIT
584 # ifdef CC_HAS_LONG_LONG
585 # define LONGEST long long
586 # define ULONGEST unsigned long long
588 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
589 (e.g. i386-windows) so try it. */
590 # ifdef BFD_HOST_64_BIT
591 # define LONGEST BFD_HOST_64_BIT
592 # define ULONGEST BFD_HOST_U_64_BIT
594 # define LONGEST long
595 # define ULONGEST unsigned long
599 #endif /* No BFD64 */
601 #endif /* ! LONGEST */
603 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
604 arguments to a function, number in a value history, register number, etc.)
605 where the value must not be larger than can fit in an int. */
607 extern int longest_to_int PARAMS ((LONGEST));
609 /* Assorted functions we can declare, now that const and volatile are
612 extern char *savestring PARAMS ((const char *, int));
614 extern char *msavestring PARAMS ((void *, const char *, int));
616 extern char *strsave PARAMS ((const char *));
618 extern char *mstrsave PARAMS ((void *, const char *));
620 #ifdef _MSC_VER /* FIXME; was long, but this causes compile errors in msvc if already defined */
621 extern PTR xmmalloc PARAMS ((PTR, size_t));
623 extern PTR xmrealloc PARAMS ((PTR, PTR, size_t));
625 extern PTR xmmalloc PARAMS ((PTR, long));
627 extern PTR xmrealloc PARAMS ((PTR, PTR, long));
630 extern int parse_escape PARAMS ((char **));
632 /* compat - handle old targets that just define REGISTER_NAMES */
633 #ifndef REGISTER_NAME
634 extern char *gdb_register_names[];
635 #define REGISTER_NAME(i) gdb_register_names[i]
638 /* Message to be printed before the error message, when an error occurs. */
640 extern char *error_pre_print;
642 /* Message to be printed before the error message, when an error occurs. */
644 extern char *quit_pre_print;
646 /* Message to be printed before the warning message, when a warning occurs. */
648 extern char *warning_pre_print;
650 extern NORETURN void error PARAMS((const char *, ...)) ATTR_NORETURN;
652 extern void error_begin PARAMS ((void));
654 extern NORETURN void fatal PARAMS((char *, ...)) ATTR_NORETURN;
656 extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN;
658 /* Reasons for calling return_to_top_level. */
660 /* User interrupt. */
663 /* Any other error. */
667 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
668 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
669 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
670 typedef int return_mask;
673 return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN;
676 catch_errors PARAMS ((int (*) (char *), void *, char *, return_mask));
678 extern void warning_begin PARAMS ((void));
680 extern void warning PARAMS ((const char *, ...))
681 ATTR_FORMAT(printf, 1, 2);
683 /* Global functions from other, non-gdb GNU thingies.
684 Libiberty thingies are no longer declared here. We include libiberty.h
687 #ifndef GETENV_PROVIDED
688 extern char *getenv PARAMS ((const char *));
691 /* From other system libraries */
698 #if defined(_MSC_VER) && !defined(__cplusplus)
699 /* msvc defines these in stdlib.h for c code */
706 #define min(a, b) ((a) < (b) ? (a) : (b))
709 #define max(a, b) ((a) > (b) ? (a) : (b))
713 /* We take the address of fclose later, but some stdio's forget
714 to declare this. We can't always declare it since there's
715 no way to declare the parameters without upsetting some compiler
718 #ifndef FCLOSE_PROVIDED
719 extern int fclose PARAMS ((FILE *));
723 extern double atof PARAMS ((const char *)); /* X3.159-1989 4.10.1.1 */
726 #ifndef MALLOC_INCOMPATIBLE
728 #ifdef NEED_DECLARATION_MALLOC
729 extern PTR malloc ();
732 #ifdef NEED_DECLARATION_REALLOC
733 extern PTR realloc ();
736 #ifdef NEED_DECLARATION_FREE
740 #endif /* MALLOC_INCOMPATIBLE */
742 /* Various possibilities for alloca. */
745 # define alloca __builtin_alloca
746 # else /* Not GNU C */
747 # ifdef HAVE_ALLOCA_H
754 /* We need to be careful not to declare this in a way which conflicts with
755 bison. Bison never declares it as char *, but under various circumstances
756 (like __hpux) we need to use void *. */
757 # if defined (__STDC__) || defined (__hpux)
758 extern void *alloca ();
759 # else /* Don't use void *. */
760 extern char *alloca ();
761 # endif /* Don't use void *. */
762 # endif /* Not _AIX */
763 # endif /* Not HAVE_ALLOCA_H */
764 # endif /* Not GNU C */
765 #endif /* alloca not defined */
767 /* HOST_BYTE_ORDER must be defined to one of these. */
773 #if !defined (BIG_ENDIAN)
774 #define BIG_ENDIAN 4321
777 #if !defined (LITTLE_ENDIAN)
778 #define LITTLE_ENDIAN 1234
781 /* Target-system-dependent parameters for GDB. */
783 #ifdef TARGET_BYTE_ORDER_SELECTABLE
784 /* The target endianness is selectable at runtime. Define
785 TARGET_BYTE_ORDER to be a variable. The user can use the `set
786 endian' command to change it. */
787 #undef TARGET_BYTE_ORDER
788 #define TARGET_BYTE_ORDER target_byte_order
789 extern int target_byte_order;
790 /* Nonzero when target_byte_order auto-detected */
791 extern int target_byte_order_auto;
794 extern void set_endian_from_file PARAMS ((bfd *));
796 /* The target architecture can be set at run-time. */
797 extern int target_architecture_auto;
798 extern const bfd_arch_info_type *target_architecture;
799 extern void set_architecture_from_file PARAMS ((bfd *));
800 /* Notify target of a change to the selected architecture. Zero return
801 status indicates that the target did not like the change. */
802 extern int (*target_architecture_hook) PARAMS ((const bfd_arch_info_type *ap));
803 extern void set_architecture_from_arch_mach PARAMS ((enum bfd_architecture arch, unsigned long mach));
805 /* Number of bits in a char or unsigned char for the target machine.
806 Just like CHAR_BIT in <limits.h> but describes the target machine. */
807 #if !defined (TARGET_CHAR_BIT)
808 #define TARGET_CHAR_BIT 8
811 /* Number of bits in a short or unsigned short for the target machine. */
812 #if !defined (TARGET_SHORT_BIT)
813 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
816 /* Number of bits in an int or unsigned int for the target machine. */
817 #if !defined (TARGET_INT_BIT)
818 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
821 /* Number of bits in a long or unsigned long for the target machine. */
822 #if !defined (TARGET_LONG_BIT)
823 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
826 /* Number of bits in a long long or unsigned long long for the target machine. */
827 #if !defined (TARGET_LONG_LONG_BIT)
828 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
831 /* Number of bits in a float for the target machine. */
832 #if !defined (TARGET_FLOAT_BIT)
833 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
836 /* Number of bits in a double for the target machine. */
837 #if !defined (TARGET_DOUBLE_BIT)
838 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
841 /* Number of bits in a long double for the target machine. */
842 #if !defined (TARGET_LONG_DOUBLE_BIT)
843 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
846 /* Number of bits in a pointer for the target machine */
847 #if !defined (TARGET_PTR_BIT)
848 #define TARGET_PTR_BIT TARGET_INT_BIT
851 /* If we picked up a copy of CHAR_BIT from a configuration file
852 (which may get it by including <limits.h>) then use it to set
853 the number of bits in a host char. If not, use the same size
856 #if defined (CHAR_BIT)
857 #define HOST_CHAR_BIT CHAR_BIT
859 #define HOST_CHAR_BIT TARGET_CHAR_BIT
862 /* The bit byte-order has to do just with numbering of bits in
863 debugging symbols and such. Conceptually, it's quite separate
864 from byte/word byte order. */
866 #if !defined (BITS_BIG_ENDIAN)
867 #ifndef TARGET_BYTE_ORDER_SELECTABLE
869 #if TARGET_BYTE_ORDER == BIG_ENDIAN
870 #define BITS_BIG_ENDIAN 1
871 #endif /* Big endian. */
873 #if TARGET_BYTE_ORDER == LITTLE_ENDIAN
874 #define BITS_BIG_ENDIAN 0
875 #endif /* Little endian. */
877 #else /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
879 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
881 #endif /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
882 #endif /* BITS_BIG_ENDIAN not defined. */
886 extern LONGEST extract_signed_integer PARAMS ((void *, int));
888 extern ULONGEST extract_unsigned_integer PARAMS ((void *, int));
890 extern int extract_long_unsigned_integer PARAMS ((void *, int, LONGEST *));
892 extern CORE_ADDR extract_address PARAMS ((void *, int));
894 extern void store_signed_integer PARAMS ((void *, int, LONGEST));
896 extern void store_unsigned_integer PARAMS ((void *, int, ULONGEST));
898 extern void store_address PARAMS ((void *, int, CORE_ADDR));
900 /* Setup definitions for host and target floating point formats. We need to
901 consider the format for `float', `double', and `long double' for both target
902 and host. We need to do this so that we know what kind of conversions need
903 to be done when converting target numbers to and from the hosts DOUBLEST
906 /* This is used to indicate that we don't know the format of the floating point
907 number. Typically, this is useful for native ports, where the actual format
908 is irrelevant, since no conversions will be taking place. */
910 extern const struct floatformat floatformat_unknown;
912 #if HOST_BYTE_ORDER == BIG_ENDIAN
913 # ifndef HOST_FLOAT_FORMAT
914 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
916 # ifndef HOST_DOUBLE_FORMAT
917 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
919 #else /* LITTLE_ENDIAN */
920 # ifndef HOST_FLOAT_FORMAT
921 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
923 # ifndef HOST_DOUBLE_FORMAT
924 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
928 #ifndef HOST_LONG_DOUBLE_FORMAT
929 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
932 #ifndef TARGET_BYTE_ORDER_SELECTABLE
933 # if TARGET_BYTE_ORDER == BIG_ENDIAN
934 # ifndef TARGET_FLOAT_FORMAT
935 # define TARGET_FLOAT_FORMAT &floatformat_ieee_single_big
937 # ifndef TARGET_DOUBLE_FORMAT
938 # define TARGET_DOUBLE_FORMAT &floatformat_ieee_double_big
940 # else /* LITTLE_ENDIAN */
941 # ifndef TARGET_FLOAT_FORMAT
942 # define TARGET_FLOAT_FORMAT &floatformat_ieee_single_little
944 # ifndef TARGET_DOUBLE_FORMAT
945 # define TARGET_DOUBLE_FORMAT &floatformat_ieee_double_little
948 #else /* TARGET_BYTE_ORDER_SELECTABLE */
949 # ifndef TARGET_FLOAT_FORMAT
950 # define TARGET_FLOAT_FORMAT (target_byte_order == BIG_ENDIAN \
951 ? &floatformat_ieee_single_big \
952 : &floatformat_ieee_single_little)
954 # ifndef TARGET_DOUBLE_FORMAT
955 # define TARGET_DOUBLE_FORMAT (target_byte_order == BIG_ENDIAN \
956 ? &floatformat_ieee_double_big \
957 : &floatformat_ieee_double_little)
961 #ifndef TARGET_LONG_DOUBLE_FORMAT
962 # define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
965 /* Use `long double' if the host compiler supports it. (Note that this is not
966 necessarily any longer than `double'. On SunOS/gcc, it's the same as
967 double.) This is necessary because GDB internally converts all floating
968 point values to the widest type supported by the host.
970 There are problems however, when the target `long double' is longer than the
971 host's `long double'. In general, we'll probably reduce the precision of
972 any such values and print a warning. */
974 #ifdef HAVE_LONG_DOUBLE
975 typedef long double DOUBLEST;
977 typedef double DOUBLEST;
980 extern void floatformat_to_doublest PARAMS ((const struct floatformat *,
981 char *, DOUBLEST *));
982 extern void floatformat_from_doublest PARAMS ((const struct floatformat *,
983 DOUBLEST *, char *));
984 extern DOUBLEST extract_floating PARAMS ((void *, int));
986 extern void store_floating PARAMS ((void *, int, DOUBLEST));
988 /* On some machines there are bits in addresses which are not really
989 part of the address, but are used by the kernel, the hardware, etc.
990 for special purposes. ADDR_BITS_REMOVE takes out any such bits
991 so we get a "real" address such as one would find in a symbol
992 table. This is used only for addresses of instructions, and even then
993 I'm not sure it's used in all contexts. It exists to deal with there
994 being a few stray bits in the PC which would mislead us, not as some sort
995 of generic thing to handle alignment or segmentation (it's possible it
996 should be in TARGET_READ_PC instead). */
997 #if !defined (ADDR_BITS_REMOVE)
998 #define ADDR_BITS_REMOVE(addr) (addr)
999 #endif /* No ADDR_BITS_REMOVE. */
1003 extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int));
1005 extern CORE_ADDR push_word PARAMS ((CORE_ADDR, ULONGEST));
1007 /* Some parts of gdb might be considered optional, in the sense that they
1008 are not essential for being able to build a working, usable debugger
1009 for a specific environment. For example, the maintenance commands
1010 are there for the benefit of gdb maintainers. As another example,
1011 some environments really don't need gdb's that are able to read N
1012 different object file formats. In order to make it possible (but
1013 not necessarily recommended) to build "stripped down" versions of
1014 gdb, the following defines control selective compilation of those
1015 parts of gdb which can be safely left out when necessary. Note that
1016 the default is to include everything. */
1018 #ifndef MAINTENANCE_CMDS
1019 #define MAINTENANCE_CMDS 1
1022 #ifdef MAINTENANCE_CMDS
1023 extern int watchdog;
1026 #include "dis-asm.h" /* Get defs for disassemble_info */
1028 extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr,
1029 int len, disassemble_info *info));
1031 extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr,
1032 disassemble_info *info));
1034 extern void dis_asm_print_address PARAMS ((bfd_vma addr,
1035 disassemble_info *info));
1037 extern int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info*));
1038 extern disassemble_info tm_print_insn_info;
1040 /* Hooks for alternate command interfaces. */
1043 struct target_waitstatus;
1044 struct cmd_list_element;
1047 extern void (*init_ui_hook) PARAMS ((char *argv0));
1048 extern void (*command_loop_hook) PARAMS ((void));
1049 extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer,
1051 extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s,
1052 int line, int stopline,
1054 extern int (*query_hook) PARAMS ((const char *, va_list));
1055 extern void (*warning_hook) PARAMS ((const char *, va_list));
1056 extern void (*flush_hook) PARAMS ((FILE *stream));
1057 extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b));
1058 extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
1059 extern void (*modify_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
1060 extern void (*target_output_hook) PARAMS ((char *));
1061 extern void (*interactive_hook) PARAMS ((void));
1062 extern void (*registers_changed_hook) PARAMS ((void));
1063 extern void (*readline_begin_hook) PARAMS ((char *, ...));
1064 extern char * (*readline_hook) PARAMS ((char *));
1065 extern void (*readline_end_hook) PARAMS ((void));
1066 extern void (*pc_changed_hook) PARAMS ((void));
1067 extern void (*context_hook) PARAMS ((int));
1068 extern int (*target_wait_hook) PARAMS ((int pid,
1069 struct target_waitstatus *status));
1071 extern void (*call_command_hook) PARAMS ((struct cmd_list_element *c,
1072 char *cmd, int from_tty));
1074 extern NORETURN void (*error_hook) PARAMS ((void)) ATTR_NORETURN;
1078 /* Inhibit window interface if non-zero. */
1080 extern int use_windows;
1082 /* Symbolic definitions of filename-related things. */
1083 /* FIXME, this doesn't work very well if host and executable
1084 filesystems conventions are different. */
1086 #ifndef DIRNAME_SEPARATOR
1087 #define DIRNAME_SEPARATOR ':'
1091 #if defined(__GO32__)||defined(_WIN32)
1092 #define SLASH_P(X) ((X)=='\\')
1094 #define SLASH_P(X) ((X)=='/')
1099 #if defined(__GO32__)||defined(_WIN32)
1100 #define SLASH_CHAR '\\'
1102 #define SLASH_CHAR '/'
1106 #ifndef SLASH_STRING
1107 #if defined(__GO32__)||defined(_WIN32)
1108 #define SLASH_STRING "\\"
1110 #define SLASH_STRING "/"
1115 #define ROOTED_P(X) (SLASH_P((X)[0]))
1118 /* On some systems, PIDGET is defined to extract the inferior pid from
1119 an internal pid that has the thread id and pid in seperate bit
1120 fields. If not defined, then just use the entire internal pid as
1124 #define PIDGET(pid) (pid)
1127 /* If under Cygwin, provide backwards compatibility with older
1128 Cygwin compilers that don't define the current cpp define. */
1135 #endif /* #ifndef DEFS_H */