1 /* Basic, host-specific, and target-specific definitions for GDB.
2 Copyright (C) 1986, 1989, 1991, 1992, 1993, 1994, 1995
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
26 /* First include ansidecl.h so we can use the various macro definitions
27 here and in all subsequent file inclusions. */
31 #include "libiberty.h"
33 /* libiberty.h can't declare this one, but evidently we can. */
34 extern char *strsignal
PARAMS ((int));
40 /* For BFD64 and bfd_vma. */
43 /* An address in the program being debugged. Host byte order. Rather
44 than duplicate all the logic in BFD which figures out what type
45 this is (long, long long, etc.) and whether it needs to be 64
46 bits (the host/target interactions are subtle), we just use
49 typedef bfd_vma CORE_ADDR
;
51 #define min(a, b) ((a) < (b) ? (a) : (b))
52 #define max(a, b) ((a) > (b) ? (a) : (b))
54 /* Gdb does *lots* of string compares. Use macros to speed them up by
55 avoiding function calls if the first characters are not the same. */
57 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
58 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
59 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
61 /* The character GNU C++ uses to build identifiers that must be unique from
62 the program's identifiers (such as $this and $$vptr). */
63 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
65 #include <errno.h> /* System call error return status */
68 extern int immediate_quit
;
69 extern int sevenbit_strings
;
71 extern void quit
PARAMS ((void));
74 if (quit_flag) quit (); \
75 if (interactive_hook) interactive_hook (); \
79 /* Command classes are top-level categories into which commands are broken
80 down for "help" purposes.
81 Notes on classes: class_alias is for alias commands which are not
82 abbreviations of the original command. class-pseudo is for commands
83 which are not really commands nor help topics ("stop"). */
87 /* Special args to help_list */
88 all_classes
= -2, all_commands
= -1,
89 /* Classes of commands */
90 no_class
= -1, class_run
= 0, class_vars
, class_stack
,
91 class_files
, class_support
, class_info
, class_breakpoint
,
92 class_alias
, class_obscure
, class_user
, class_maintenance
,
96 /* Languages represented in the symbol table and elsewhere.
97 This should probably be in language.h, but since enum's can't
98 be forward declared to satisfy opaque references before their
99 actual definition, needs to be here. */
103 language_unknown
, /* Language not known */
104 language_auto
, /* Placeholder for automatic setting */
106 language_cplus
, /* C++ */
107 language_chill
, /* Chill */
108 language_fortran
, /* Fortran */
109 language_m2
, /* Modula-2 */
110 language_asm
/* Assembly language */
113 /* the cleanup list records things that have to be undone
114 if an error happens (descriptors to be closed, memory to be freed, etc.)
115 Each link in the chain records a function to call and an
118 Use make_cleanup to add an element to the cleanup chain.
119 Use do_cleanups to do all cleanup actions back to a given
120 point in the chain. Use discard_cleanups to remove cleanups
121 from the chain back to a given point, not doing them. */
125 struct cleanup
*next
;
126 void (*function
) PARAMS ((PTR
));
130 /* Needed for various prototypes */
137 /* From blockframe.c */
139 extern int inside_entry_func
PARAMS ((CORE_ADDR
));
141 extern int inside_entry_file
PARAMS ((CORE_ADDR addr
));
143 extern int inside_main_func
PARAMS ((CORE_ADDR pc
));
145 /* From ch-lang.c, for the moment. (FIXME) */
147 extern char *chill_demangle
PARAMS ((const char *));
151 extern int strcmp_iw
PARAMS ((const char *, const char *));
153 extern char *safe_strerror
PARAMS ((int));
155 extern char *safe_strsignal
PARAMS ((int));
157 extern void init_malloc
PARAMS ((void *));
159 extern void request_quit
PARAMS ((int));
161 extern void do_cleanups
PARAMS ((struct cleanup
*));
163 extern void discard_cleanups
PARAMS ((struct cleanup
*));
165 /* The bare make_cleanup function is one of those rare beasts that
166 takes almost any type of function as the first arg and anything that
167 will fit in a "void *" as the second arg.
169 Should be, once all calls and called-functions are cleaned up:
170 extern struct cleanup *
171 make_cleanup PARAMS ((void (*function) (void *), void *));
173 Until then, lint and/or various type-checking compiler options will
174 complain about make_cleanup calls. It'd be wrong to just cast things,
175 since the type actually passed when the function is called would be
178 extern struct cleanup
*make_cleanup ();
180 extern struct cleanup
*save_cleanups
PARAMS ((void));
182 extern void restore_cleanups
PARAMS ((struct cleanup
*));
184 extern void free_current_contents
PARAMS ((char **));
186 extern void null_cleanup
PARAMS ((char **));
188 extern int myread
PARAMS ((int, char *, int));
192 /* Annotation stuff. */
194 extern int annotation_level
; /* in stack.c */
196 extern void begin_line
PARAMS ((void));
198 extern void wrap_here
PARAMS ((char *));
200 extern void reinitialize_more_filter
PARAMS ((void));
202 typedef FILE GDB_FILE
;
203 #define gdb_stdout stdout
204 #define gdb_stderr stderr
206 extern int print_insn
PARAMS ((CORE_ADDR
, GDB_FILE
*));
208 extern void gdb_flush
PARAMS ((GDB_FILE
*));
210 extern GDB_FILE
*gdb_fopen
PARAMS ((char * name
, char * mode
));
212 extern void fputs_filtered
PARAMS ((const char *, GDB_FILE
*));
214 extern void fputs_unfiltered
PARAMS ((const char *, GDB_FILE
*));
216 extern void fputc_unfiltered
PARAMS ((int, GDB_FILE
*));
218 extern void putc_unfiltered
PARAMS ((int));
220 #define putchar_unfiltered(C) putc_unfiltered(C)
222 extern void puts_filtered
PARAMS ((char *));
224 extern void puts_unfiltered
PARAMS ((char *));
226 extern void vprintf_filtered ();
228 extern void vfprintf_filtered ();
230 extern void fprintf_filtered ();
232 extern void fprintfi_filtered ();
234 extern void printf_filtered ();
236 extern void printfi_filtered ();
238 extern void vprintf_unfiltered ();
240 extern void vfprintf_unfiltered ();
242 extern void fprintf_unfiltered ();
244 extern void printf_unfiltered ();
246 extern void print_spaces
PARAMS ((int, GDB_FILE
*));
248 extern void print_spaces_filtered
PARAMS ((int, GDB_FILE
*));
250 extern char *n_spaces
PARAMS ((int));
252 extern void gdb_printchar
PARAMS ((int, GDB_FILE
*, int));
254 extern void gdb_print_address
PARAMS ((void *, GDB_FILE
*));
256 extern void fprintf_symbol_filtered
PARAMS ((GDB_FILE
*, char *,
257 enum language
, int));
259 extern void perror_with_name
PARAMS ((char *));
261 extern void print_sys_errmsg
PARAMS ((char *, int));
263 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
264 "const char *" in unistd.h, so we can't declare the argument
267 extern char *re_comp
PARAMS ((const char *));
271 extern void symbol_file_command
PARAMS ((char *, int));
275 extern char *skip_quoted
PARAMS ((char *));
277 extern char *gdb_readline
PARAMS ((char *));
279 extern char *command_line_input
PARAMS ((char *, int, char *));
281 extern void print_prompt
PARAMS ((void));
283 extern int input_from_terminal_p
PARAMS ((void));
285 /* From printcmd.c */
287 extern void set_next_address
PARAMS ((CORE_ADDR
));
289 extern void print_address_symbolic
PARAMS ((CORE_ADDR
, GDB_FILE
*, int,
292 extern void print_address_numeric
PARAMS ((CORE_ADDR
, int, GDB_FILE
*));
294 extern void print_address
PARAMS ((CORE_ADDR
, GDB_FILE
*));
298 extern int openp
PARAMS ((char *, int, char *, int, int, char **));
300 extern void mod_path
PARAMS ((char *, char **));
302 extern void directory_command
PARAMS ((char *, int));
304 extern void init_source_path
PARAMS ((void));
306 extern char *symtab_to_filename
PARAMS ((struct symtab
*));
310 extern int read_relative_register_raw_bytes
PARAMS ((int, char *));
312 /* From readline (but not in any readline .h files). */
314 extern char *tilde_expand
PARAMS ((char *));
316 /* Control types for commands */
318 enum misc_command_type
326 enum command_control_type
336 /* Structure for saved commands lines
337 (for breakpoints, defined commands, etc). */
341 struct command_line
*next
;
343 enum command_control_type control_type
;
345 struct command_line
**body_list
;
348 extern struct command_line
*read_command_lines
PARAMS ((void));
350 extern void free_command_lines
PARAMS ((struct command_line
**));
352 /* String containing the current directory (what getwd would return). */
354 extern char *current_directory
;
356 /* Default radixes for input and output. Only some values supported. */
357 extern unsigned input_radix
;
358 extern unsigned output_radix
;
360 /* Possibilities for prettyprint parameters to routines which print
361 things. Like enum language, this should be in value.h, but needs
362 to be here for the same reason. FIXME: If we can eliminate this
363 as an arg to LA_VAL_PRINT, then we can probably move it back to
368 Val_no_prettyprint
= 0,
370 /* Use the default setting which the user has specified. */
375 /* Host machine definition. This will be a symlink to one of the
376 xm-*.h files, built by the `configure' script. */
380 /* Native machine support. This will be a symlink to one of the
381 nm-*.h files, built by the `configure' script. */
385 /* Target machine definition. This will be a symlink to one of the
386 tm-*.h files, built by the `configure' script. */
390 /* If the xm.h file did not define the mode string used to open the
391 files, assume that binary files are opened the same way as text
394 #include "fopen-same.h"
398 * Allow things in gdb to be declared "const". If compiling ANSI, it
399 * just works. If compiling with gcc but non-ansi, redefine to __const__.
400 * If non-ansi, non-gcc, then eliminate "const" entirely, making those
401 * objects be read-write rather than read-only.
407 # define const __const__
409 # define const /*nothing*/
417 # define volatile __volatile__
419 # define volatile /*nothing*/
422 #endif /* volatile */
424 /* The ability to declare that a function never returns is useful, but
425 not really required to compile GDB successfully, so the NORETURN and
426 ATTR_NORETURN macros normally expand into nothing. */
428 /* If compiling with older versions of GCC, a function may be declared
429 "volatile" to indicate that it does not return. */
432 # if defined(__GNUC__) \
433 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5))
434 # define NORETURN volatile
436 # define NORETURN /* nothing */
440 /* GCC 2.5 and later versions define a function attribute "noreturn",
441 which is the preferred way to declare that a function never returns. */
443 #ifndef ATTR_NORETURN
444 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 5
445 # define ATTR_NORETURN __attribute__ ((noreturn))
447 # define ATTR_NORETURN /* nothing */
451 /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */
453 #if !defined (UINT_MAX)
454 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
457 #if !defined (INT_MAX)
458 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
461 #if !defined (INT_MIN)
462 #define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */
465 #if !defined (ULONG_MAX)
466 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
469 #if !defined (LONG_MAX)
470 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
475 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
477 #define LONGEST BFD_HOST_64_BIT
481 /* If all compilers for this host support "long long" and we want to
482 use it for LONGEST (the performance hit is about 10% on a testsuite
483 run based on one DECstation test), then the xm.h file can define
486 Using GCC 1.39 on BSDI with long long causes about 700 new
487 testsuite failures. Using long long for LONGEST on the DECstation
488 causes 3 new FAILs in the testsuite and many heuristic fencepost
489 warnings. These are not investigated, but a first guess would be
490 that the BSDI problems are GCC bugs in long long support and the
491 latter are GDB bugs. */
493 #ifndef CC_HAS_LONG_LONG
494 # if defined (__GNUC__) && defined (FORCE_LONG_LONG)
495 # define CC_HAS_LONG_LONG 1
499 /* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work.
500 CC_HAS_LONG_LONG is defined if the host compiler supports "long long"
501 variables and we wish to make use of that support. */
504 # ifdef CC_HAS_LONG_LONG
505 # define LONGEST long long
507 # define LONGEST long
511 #endif /* No BFD64 */
513 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
514 arguments to a function, number in a value history, register number, etc.)
515 where the value must not be larger than can fit in an int. */
517 extern int longest_to_int
PARAMS ((LONGEST
));
519 /* Assorted functions we can declare, now that const and volatile are
522 extern char *savestring
PARAMS ((const char *, int));
524 extern char *msavestring
PARAMS ((void *, const char *, int));
526 extern char *strsave
PARAMS ((const char *));
528 extern char *mstrsave
PARAMS ((void *, const char *));
530 extern PTR xmalloc
PARAMS ((long));
532 extern PTR xrealloc
PARAMS ((PTR
, long));
534 extern PTR xmmalloc
PARAMS ((PTR
, long));
536 extern PTR xmrealloc
PARAMS ((PTR
, PTR
, long));
538 extern int parse_escape
PARAMS ((char **));
540 extern char *reg_names
[];
542 /* Message to be printed before the error message, when an error occurs. */
544 extern char *error_pre_print
;
546 /* Message to be printed before the warning message, when a warning occurs. */
548 extern char *warning_pre_print
;
550 extern NORETURN
void error () ATTR_NORETURN
;
552 extern void error_begin
PARAMS ((void));
554 extern NORETURN
void fatal () ATTR_NORETURN
;
556 extern NORETURN
void exit
PARAMS ((int)) ATTR_NORETURN
; /* 4.10.4.3 */
558 extern NORETURN
void nomem
PARAMS ((long)) ATTR_NORETURN
;
560 /* Reasons for calling return_to_top_level. */
562 /* User interrupt. */
565 /* Any other error. */
569 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
570 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
571 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
572 typedef int return_mask
;
575 return_to_top_level
PARAMS ((enum return_reason
)) ATTR_NORETURN
;
578 catch_errors
PARAMS ((int (*) (char *), void *, char *, return_mask
));
580 extern void warning_setup
PARAMS ((void));
582 extern void warning ();
584 /* Global functions from other, non-gdb GNU thingies.
585 Libiberty thingies are no longer declared here. We include libiberty.h
588 extern char *getenv
PARAMS ((const char *));
590 /* From other system libraries */
592 #ifndef PSIGNAL_IN_SIGNAL_H
593 extern void psignal
PARAMS ((unsigned, const char *));
596 /* For now, we can't include <stdlib.h> because it conflicts with
597 "../include/getopt.h". (FIXME)
599 However, if a function is defined in the ANSI C standard and a prototype
600 for that function is defined and visible in any header file in an ANSI
601 conforming environment, then that prototype must match the definition in
602 the ANSI standard. So we can just duplicate them here without conflict,
603 since they must be the same in all conforming ANSI environments. If
604 these cause problems, then the environment is not ANSI conformant. */
610 extern int fclose
PARAMS ((GDB_FILE
*stream
)); /* 4.9.5.1 */
612 extern void perror
PARAMS ((const char *)); /* 4.9.10.4 */
614 extern double atof
PARAMS ((const char *nptr
)); /* 4.10.1.1 */
616 extern int atoi
PARAMS ((const char *)); /* 4.10.1.2 */
618 #ifndef MALLOC_INCOMPATIBLE
620 extern PTR malloc
PARAMS ((size_t size
)); /* 4.10.3.3 */
622 extern PTR realloc
PARAMS ((void *ptr
, size_t size
)); /* 4.10.3.4 */
624 extern void free
PARAMS ((void *)); /* 4.10.3.2 */
626 #endif /* MALLOC_INCOMPATIBLE */
629 qsort
PARAMS ((void *base
, size_t nmemb
, /* 4.10.5.2 */
631 int (*compar
)(const void *, const void *)));
633 #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */
634 extern PTR memcpy
PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */
636 extern int memcmp
PARAMS ((const void *, const void *, size_t)); /* 4.11.4.1 */
639 extern char *strchr
PARAMS ((const char *, int)); /* 4.11.5.2 */
641 extern char *strrchr
PARAMS ((const char *, int)); /* 4.11.5.5 */
643 extern char *strstr
PARAMS ((const char *, const char *)); /* 4.11.5.7 */
645 extern char *strtok
PARAMS ((char *, const char *)); /* 4.11.5.8 */
647 #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */
648 extern PTR memset
PARAMS ((void *, int, size_t)); /* 4.11.6.1 */
651 extern char *strerror
PARAMS ((int)); /* 4.11.6.2 */
653 /* Various possibilities for alloca. */
656 # define alloca __builtin_alloca
657 # else /* Not GNU C */
659 # include <alloca.h> /* NOTE: Doesn't declare alloca() */
662 /* We need to be careful not to declare this in a way which conflicts with
663 bison. Bison never declares it as char *, but under various circumstances
664 (like __hpux) we need to use void *. */
665 # if defined (__STDC__) || defined (__hpux)
666 extern void *alloca ();
667 # else /* Don't use void *. */
668 extern char *alloca ();
669 # endif /* Don't use void *. */
670 # endif /* Not GNU C */
671 #endif /* alloca not defined */
673 /* HOST_BYTE_ORDER must be defined to one of these. */
675 #if !defined (BIG_ENDIAN)
676 #define BIG_ENDIAN 4321
679 #if !defined (LITTLE_ENDIAN)
680 #define LITTLE_ENDIAN 1234
683 /* Target-system-dependent parameters for GDB. */
685 #ifdef TARGET_BYTE_ORDER_SELECTABLE
686 /* The target endianness is selectable at runtime. Define
687 TARGET_BYTE_ORDER to be a variable. The user can use the `set
688 endian' command to change it. */
689 #undef TARGET_BYTE_ORDER
690 #define TARGET_BYTE_ORDER target_byte_order
691 extern int target_byte_order
;
694 extern void set_endian_from_file
PARAMS ((bfd
*));
696 /* Number of bits in a char or unsigned char for the target machine.
697 Just like CHAR_BIT in <limits.h> but describes the target machine. */
698 #if !defined (TARGET_CHAR_BIT)
699 #define TARGET_CHAR_BIT 8
702 /* Number of bits in a short or unsigned short for the target machine. */
703 #if !defined (TARGET_SHORT_BIT)
704 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
707 /* Number of bits in an int or unsigned int for the target machine. */
708 #if !defined (TARGET_INT_BIT)
709 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
712 /* Number of bits in a long or unsigned long for the target machine. */
713 #if !defined (TARGET_LONG_BIT)
714 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
717 /* Number of bits in a long long or unsigned long long for the target machine. */
718 #if !defined (TARGET_LONG_LONG_BIT)
719 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
722 /* Number of bits in a float for the target machine. */
723 #if !defined (TARGET_FLOAT_BIT)
724 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
727 /* Number of bits in a double for the target machine. */
728 #if !defined (TARGET_DOUBLE_BIT)
729 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
732 /* Number of bits in a long double for the target machine. */
733 #if !defined (TARGET_LONG_DOUBLE_BIT)
734 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
737 /* Number of bits in a "complex" for the target machine. */
738 #if !defined (TARGET_COMPLEX_BIT)
739 #define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT)
742 /* Number of bits in a "double complex" for the target machine. */
743 #if !defined (TARGET_DOUBLE_COMPLEX_BIT)
744 #define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT)
747 /* Number of bits in a pointer for the target machine */
748 #if !defined (TARGET_PTR_BIT)
749 #define TARGET_PTR_BIT TARGET_INT_BIT
752 /* If we picked up a copy of CHAR_BIT from a configuration file
753 (which may get it by including <limits.h>) then use it to set
754 the number of bits in a host char. If not, use the same size
757 #if defined (CHAR_BIT)
758 #define HOST_CHAR_BIT CHAR_BIT
760 #define HOST_CHAR_BIT TARGET_CHAR_BIT
763 /* The bit byte-order has to do just with numbering of bits in
764 debugging symbols and such. Conceptually, it's quite separate
765 from byte/word byte order. */
767 #if !defined (BITS_BIG_ENDIAN)
768 #ifndef TARGET_BYTE_ORDER_SELECTABLE
770 #if TARGET_BYTE_ORDER == BIG_ENDIAN
771 #define BITS_BIG_ENDIAN 1
772 #endif /* Big endian. */
774 #if TARGET_BYTE_ORDER == LITTLE_ENDIAN
775 #define BITS_BIG_ENDIAN 0
776 #endif /* Little endian. */
778 #else /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
780 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
782 #endif /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
783 #endif /* BITS_BIG_ENDIAN not defined. */
787 extern LONGEST extract_signed_integer
PARAMS ((void *, int));
789 extern unsigned LONGEST extract_unsigned_integer
PARAMS ((void *, int));
791 extern CORE_ADDR extract_address
PARAMS ((void *, int));
793 extern void store_signed_integer
PARAMS ((void *, int, LONGEST
));
795 extern void store_unsigned_integer
PARAMS ((void *, int, unsigned LONGEST
));
797 extern void store_address
PARAMS ((void *, int, CORE_ADDR
));
799 extern double extract_floating
PARAMS ((void *, int));
801 extern void store_floating
PARAMS ((void *, int, double));
803 /* On some machines there are bits in addresses which are not really
804 part of the address, but are used by the kernel, the hardware, etc.
805 for special purposes. ADDR_BITS_REMOVE takes out any such bits
806 so we get a "real" address such as one would find in a symbol
807 table. This is used only for addresses of instructions, and even then
808 I'm not sure it's used in all contexts. It exists to deal with there
809 being a few stray bits in the PC which would mislead us, not as some sort
810 of generic thing to handle alignment or segmentation (it's possible it
811 should be in TARGET_READ_PC instead). */
812 #if !defined (ADDR_BITS_REMOVE)
813 #define ADDR_BITS_REMOVE(addr) (addr)
814 #endif /* No ADDR_BITS_REMOVE. */
818 extern CORE_ADDR push_bytes
PARAMS ((CORE_ADDR
, char *, int));
820 extern CORE_ADDR push_word
PARAMS ((CORE_ADDR
, unsigned LONGEST
));
822 /* Some parts of gdb might be considered optional, in the sense that they
823 are not essential for being able to build a working, usable debugger
824 for a specific environment. For example, the maintenance commands
825 are there for the benefit of gdb maintainers. As another example,
826 some environments really don't need gdb's that are able to read N
827 different object file formats. In order to make it possible (but
828 not necessarily recommended) to build "stripped down" versions of
829 gdb, the following defines control selective compilation of those
830 parts of gdb which can be safely left out when necessary. Note that
831 the default is to include everything. */
833 #ifndef MAINTENANCE_CMDS
834 #define MAINTENANCE_CMDS 1
837 #include "dis-asm.h" /* Get defs for disassemble_info */
839 extern int dis_asm_read_memory
PARAMS ((bfd_vma memaddr
, bfd_byte
*myaddr
,
840 int len
, disassemble_info
*info
));
842 extern void dis_asm_memory_error
PARAMS ((int status
, bfd_vma memaddr
,
843 disassemble_info
*info
));
845 extern void dis_asm_print_address
PARAMS ((bfd_vma addr
,
846 disassemble_info
*info
));
848 extern int (*tm_print_insn
) PARAMS ((bfd_vma
, disassemble_info
*));
850 /* Hooks for alternate command interfaces. */
853 struct target_waitstatus
;
854 struct cmd_list_element
;
857 extern void (*init_ui_hook
) PARAMS ((void));
858 extern void (*command_loop_hook
) PARAMS ((void));
859 extern void (*fputs_unfiltered_hook
) PARAMS ((const char *linebuffer
,
861 extern void (*print_frame_info_listing_hook
) PARAMS ((struct symtab
*s
,
862 int line
, int stopline
,
864 extern int (*query_hook
) PARAMS ((void));
865 extern void (*flush_hook
) PARAMS ((FILE *stream
));
866 extern void (*create_breakpoint_hook
) PARAMS ((struct breakpoint
*b
));
867 extern void (*delete_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
868 extern void (*enable_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
869 extern void (*disable_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
870 extern void (*interactive_hook
) PARAMS ((void));
871 extern void (*registers_changed_hook
) PARAMS ((void));
872 extern int (*dis_asm_read_memory_hook
) PARAMS ((bfd_vma memaddr
,
873 bfd_byte
*myaddr
, int len
,
874 disassemble_info
*info
));
876 extern int (*target_wait_hook
) PARAMS ((int pid
,
877 struct target_waitstatus
*status
));
879 extern void (*call_command_hook
) PARAMS ((struct cmd_list_element
*c
,
880 char *cmd
, int from_tty
));
882 extern NORETURN
void (*error_hook
) PARAMS ((void));
884 /* Inhibit window interface if non-zero. */
886 extern int use_windows
;
888 #endif /* #ifndef DEFS_H */