1022 lines
29 KiB
C
1022 lines
29 KiB
C
/* Basic, host-specific, and target-specific definitions for GDB.
|
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Copyright (C) 1986, 1989, 1991, 1992, 1993, 1994, 1995, 1996
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
|
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along with this program; if not, write to the Free Software
|
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef DEFS_H
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#define DEFS_H
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#include "config.h" /* Generated by configure */
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#include <stdio.h>
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#include <errno.h> /* System call error return status */
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/* Just in case they're not defined in stdio.h. */
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#endif
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#ifndef SEEK_CUR
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#define SEEK_CUR 1
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#endif
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/* First include ansidecl.h so we can use the various macro definitions
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here and in all subsequent file inclusions. */
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#include "ansidecl.h"
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#ifdef ANSI_PROTOTYPES
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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#include "libiberty.h"
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/* libiberty.h can't declare this one, but evidently we can. */
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extern char *strsignal PARAMS ((int));
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#include "progress.h"
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#ifndef NO_MMALLOC
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#include "mmalloc.h"
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#endif
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/* For BFD64 and bfd_vma. */
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#include "bfd.h"
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/* An address in the program being debugged. Host byte order. Rather
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than duplicate all the logic in BFD which figures out what type
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this is (long, long long, etc.) and whether it needs to be 64
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bits (the host/target interactions are subtle), we just use
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bfd_vma. */
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typedef bfd_vma CORE_ADDR;
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#define min(a, b) ((a) < (b) ? (a) : (b))
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#define max(a, b) ((a) > (b) ? (a) : (b))
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/* Gdb does *lots* of string compares. Use macros to speed them up by
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avoiding function calls if the first characters are not the same. */
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#define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
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#define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
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#define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
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/* The character GNU C++ uses to build identifiers that must be unique from
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the program's identifiers (such as $this and $$vptr). */
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#define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
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/* Check if a character is one of the commonly used C++ marker characters. */
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extern int is_cplus_marker PARAMS ((int));
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extern int quit_flag;
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extern int immediate_quit;
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extern int sevenbit_strings;
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extern void quit PARAMS ((void));
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#define QUIT { \
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if (quit_flag) quit (); \
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if (interactive_hook) interactive_hook (); \
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PROGRESS (1); \
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}
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/* Command classes are top-level categories into which commands are broken
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down for "help" purposes.
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Notes on classes: class_alias is for alias commands which are not
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abbreviations of the original command. class-pseudo is for commands
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which are not really commands nor help topics ("stop"). */
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enum command_class
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{
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/* Special args to help_list */
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all_classes = -2, all_commands = -1,
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/* Classes of commands */
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no_class = -1, class_run = 0, class_vars, class_stack,
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class_files, class_support, class_info, class_breakpoint,
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class_alias, class_obscure, class_user, class_maintenance,
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class_pseudo
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};
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/* Languages represented in the symbol table and elsewhere.
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This should probably be in language.h, but since enum's can't
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be forward declared to satisfy opaque references before their
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actual definition, needs to be here. */
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enum language
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{
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language_unknown, /* Language not known */
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language_auto, /* Placeholder for automatic setting */
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language_c, /* C */
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language_cplus, /* C++ */
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language_chill, /* Chill */
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language_fortran, /* Fortran */
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language_m2, /* Modula-2 */
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language_asm, /* Assembly language */
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language_scm /* Scheme / Guile */
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};
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/* the cleanup list records things that have to be undone
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if an error happens (descriptors to be closed, memory to be freed, etc.)
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Each link in the chain records a function to call and an
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argument to give it.
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Use make_cleanup to add an element to the cleanup chain.
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Use do_cleanups to do all cleanup actions back to a given
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point in the chain. Use discard_cleanups to remove cleanups
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from the chain back to a given point, not doing them. */
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struct cleanup
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{
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struct cleanup *next;
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void (*function) PARAMS ((PTR));
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PTR arg;
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};
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/* The ability to declare that a function never returns is useful, but
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not really required to compile GDB successfully, so the NORETURN and
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ATTR_NORETURN macros normally expand into nothing. */
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/* If compiling with older versions of GCC, a function may be declared
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"volatile" to indicate that it does not return. */
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#ifndef NORETURN
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# if defined(__GNUC__) \
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&& (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
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# define NORETURN volatile
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# else
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# define NORETURN /* nothing */
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# endif
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#endif
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/* GCC 2.5 and later versions define a function attribute "noreturn",
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which is the preferred way to declare that a function never returns.
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However GCC 2.7 appears to be the first version in which this fully
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works everywhere we use it. */
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#ifndef ATTR_NORETURN
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# if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
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# define ATTR_NORETURN __attribute__ ((noreturn))
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# else
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# define ATTR_NORETURN /* nothing */
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# endif
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#endif
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#ifndef ATTR_FORMAT
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# if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 && defined (__ANSI_PROTOTYPES)
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# define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
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# else
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# define ATTR_FORMAT(type, x, y) /* nothing */
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# endif
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#endif
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/* Needed for various prototypes */
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#ifdef __STDC__
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struct symtab;
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struct breakpoint;
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#endif
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/* From blockframe.c */
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extern int inside_entry_func PARAMS ((CORE_ADDR));
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extern int inside_entry_file PARAMS ((CORE_ADDR addr));
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extern int inside_main_func PARAMS ((CORE_ADDR pc));
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/* From ch-lang.c, for the moment. (FIXME) */
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extern char *chill_demangle PARAMS ((const char *));
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/* From utils.c */
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extern PTR xmalloc PARAMS ((long));
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extern PTR xrealloc PARAMS ((PTR, long));
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extern void notice_quit PARAMS ((void));
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extern int strcmp_iw PARAMS ((const char *, const char *));
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extern char *safe_strerror PARAMS ((int));
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extern char *safe_strsignal PARAMS ((int));
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extern void init_malloc PARAMS ((void *));
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extern void request_quit PARAMS ((int));
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extern void do_cleanups PARAMS ((struct cleanup *));
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extern void discard_cleanups PARAMS ((struct cleanup *));
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/* The bare make_cleanup function is one of those rare beasts that
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takes almost any type of function as the first arg and anything that
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will fit in a "void *" as the second arg.
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Should be, once all calls and called-functions are cleaned up:
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extern struct cleanup *
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make_cleanup PARAMS ((void (*function) (void *), void *));
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Until then, lint and/or various type-checking compiler options will
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complain about make_cleanup calls. It'd be wrong to just cast things,
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since the type actually passed when the function is called would be
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wrong. */
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extern struct cleanup *make_cleanup ();
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extern struct cleanup *save_cleanups PARAMS ((void));
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extern void restore_cleanups PARAMS ((struct cleanup *));
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extern void free_current_contents PARAMS ((char **));
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extern void null_cleanup PARAMS ((PTR));
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extern int myread PARAMS ((int, char *, int));
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extern int query PARAMS((char *, ...))
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ATTR_FORMAT(printf, 1, 2);
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/* From demangle.c */
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extern void set_demangling_style PARAMS ((char *));
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/* Annotation stuff. */
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extern int annotation_level; /* in stack.c */
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extern void begin_line PARAMS ((void));
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extern void wrap_here PARAMS ((char *));
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extern void reinitialize_more_filter PARAMS ((void));
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typedef FILE GDB_FILE;
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#define gdb_stdout stdout
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#define gdb_stderr stderr
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extern void gdb_flush PARAMS ((GDB_FILE *));
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extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode));
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extern void fputs_filtered PARAMS ((const char *, GDB_FILE *));
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extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *));
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extern int fputc_unfiltered PARAMS ((int c, GDB_FILE *));
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extern int putchar_unfiltered PARAMS ((int c));
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||
extern void puts_filtered PARAMS ((const char *));
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extern void puts_unfiltered PARAMS ((const char *));
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extern void vprintf_filtered PARAMS ((const char *, va_list))
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ATTR_FORMAT(printf, 1, 0);
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extern void vfprintf_filtered PARAMS ((FILE *, const char *, va_list))
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ATTR_FORMAT(printf, 2, 0);
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extern void fprintf_filtered PARAMS ((FILE *, const char *, ...))
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ATTR_FORMAT(printf, 2, 3);
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extern void fprintfi_filtered PARAMS ((int, FILE *, const char *, ...))
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ATTR_FORMAT(printf, 3, 4);
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extern void printf_filtered PARAMS ((const char *, ...))
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ATTR_FORMAT(printf, 1, 2);
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extern void printfi_filtered PARAMS ((int, const char *, ...))
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ATTR_FORMAT(printf, 2, 3);
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extern void vprintf_unfiltered PARAMS ((const char *, va_list))
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ATTR_FORMAT(printf, 1, 0);
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extern void vfprintf_unfiltered PARAMS ((FILE *, const char *, va_list))
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ATTR_FORMAT(printf, 2, 0);
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extern void fprintf_unfiltered PARAMS ((FILE *, const char *, ...))
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ATTR_FORMAT(printf, 2, 3);
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extern void printf_unfiltered PARAMS ((const char *, ...))
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ATTR_FORMAT(printf, 1, 2);
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||
extern void print_spaces PARAMS ((int, GDB_FILE *));
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extern void print_spaces_filtered PARAMS ((int, GDB_FILE *));
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extern char *n_spaces PARAMS ((int));
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extern void gdb_printchar PARAMS ((int, GDB_FILE *, int));
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extern void gdb_print_address PARAMS ((void *, GDB_FILE *));
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||
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||
extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *,
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||
enum language, int));
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||
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||
extern void perror_with_name PARAMS ((char *));
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||
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extern void print_sys_errmsg PARAMS ((char *, int));
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||
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||
/* From regex.c or libc. BSD 4.4 declares this with the argument type as
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||
"const char *" in unistd.h, so we can't declare the argument
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as "char *". */
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extern char *re_comp PARAMS ((const char *));
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/* From symfile.c */
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extern void symbol_file_command PARAMS ((char *, int));
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/* From top.c */
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extern char *skip_quoted PARAMS ((char *));
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extern char *gdb_readline PARAMS ((char *));
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||
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extern char *command_line_input PARAMS ((char *, int, char *));
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||
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||
extern void print_prompt PARAMS ((void));
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||
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extern int input_from_terminal_p PARAMS ((void));
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||
extern int info_verbose;
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||
|
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/* From printcmd.c */
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||
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extern void set_next_address PARAMS ((CORE_ADDR));
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||
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extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int,
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||
char *));
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||
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||
extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *));
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||
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extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *));
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||
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||
/* From source.c */
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||
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||
extern int openp PARAMS ((char *, int, char *, int, int, char **));
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extern void mod_path PARAMS ((char *, char **));
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||
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extern void directory_command PARAMS ((char *, int));
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||
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||
extern void init_source_path PARAMS ((void));
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||
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||
extern char *symtab_to_filename PARAMS ((struct symtab *));
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||
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||
/* From findvar.c */
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||
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||
extern int read_relative_register_raw_bytes PARAMS ((int, char *));
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||
/* From readline (but not in any readline .h files). */
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||
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extern char *tilde_expand PARAMS ((char *));
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||
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||
/* Control types for commands */
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||
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||
enum misc_command_type
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||
{
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||
ok_command,
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end_command,
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else_command,
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||
nop_command
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||
};
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enum command_control_type
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{
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||
simple_control,
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||
break_control,
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||
continue_control,
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||
while_control,
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||
if_control,
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invalid_control
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||
};
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||
|
||
/* Structure for saved commands lines
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||
(for breakpoints, defined commands, etc). */
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||
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||
struct command_line
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||
{
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||
struct command_line *next;
|
||
char *line;
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||
enum command_control_type control_type;
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||
int body_count;
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||
struct command_line **body_list;
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||
};
|
||
|
||
extern struct command_line *read_command_lines PARAMS ((char *, int));
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||
|
||
extern void free_command_lines PARAMS ((struct command_line **));
|
||
|
||
/* String containing the current directory (what getwd would return). */
|
||
|
||
extern char *current_directory;
|
||
|
||
/* Default radixes for input and output. Only some values supported. */
|
||
extern unsigned input_radix;
|
||
extern unsigned output_radix;
|
||
|
||
/* Possibilities for prettyprint parameters to routines which print
|
||
things. Like enum language, this should be in value.h, but needs
|
||
to be here for the same reason. FIXME: If we can eliminate this
|
||
as an arg to LA_VAL_PRINT, then we can probably move it back to
|
||
value.h. */
|
||
|
||
enum val_prettyprint
|
||
{
|
||
Val_no_prettyprint = 0,
|
||
Val_prettyprint,
|
||
/* Use the default setting which the user has specified. */
|
||
Val_pretty_default
|
||
};
|
||
|
||
|
||
/* Host machine definition. This will be a symlink to one of the
|
||
xm-*.h files, built by the `configure' script. */
|
||
|
||
#include "xm.h"
|
||
|
||
/* Native machine support. This will be a symlink to one of the
|
||
nm-*.h files, built by the `configure' script. */
|
||
|
||
#include "nm.h"
|
||
|
||
/* Target machine definition. This will be a symlink to one of the
|
||
tm-*.h files, built by the `configure' script. */
|
||
|
||
#include "tm.h"
|
||
|
||
/* If the xm.h file did not define the mode string used to open the
|
||
files, assume that binary files are opened the same way as text
|
||
files */
|
||
#ifndef FOPEN_RB
|
||
#include "fopen-same.h"
|
||
#endif
|
||
|
||
/* Microsoft C can't deal with const pointers */
|
||
|
||
#ifdef _MSC_VER
|
||
#define CONST_PTR
|
||
#else
|
||
#define CONST_PTR const
|
||
#endif
|
||
|
||
/*
|
||
* Allow things in gdb to be declared "volatile". If compiling ANSI, it
|
||
* just works. If compiling with gcc but non-ansi, redefine to __volatile__.
|
||
* If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
|
||
* objects be read-write rather than read-only.
|
||
*/
|
||
|
||
#ifndef volatile
|
||
#ifndef __STDC__
|
||
# ifdef __GNUC__
|
||
# define volatile __volatile__
|
||
# else
|
||
# define volatile /*nothing*/
|
||
# endif /* GNUC */
|
||
#endif /* STDC */
|
||
#endif /* volatile */
|
||
|
||
/* Defaults for system-wide constants (if not defined by xm.h, we fake it).
|
||
FIXME: Assumes 2's complement arithmetic */
|
||
|
||
#if !defined (UINT_MAX)
|
||
#define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
|
||
#endif
|
||
|
||
#if !defined (INT_MAX)
|
||
#define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
|
||
#endif
|
||
|
||
#if !defined (INT_MIN)
|
||
#define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
|
||
#endif
|
||
|
||
#if !defined (ULONG_MAX)
|
||
#define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
|
||
#endif
|
||
|
||
#if !defined (LONG_MAX)
|
||
#define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
|
||
#endif
|
||
|
||
#ifdef BFD64
|
||
|
||
/* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
|
||
|
||
#define LONGEST BFD_HOST_64_BIT
|
||
|
||
#else /* No BFD64 */
|
||
|
||
/* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work.
|
||
CC_HAS_LONG_LONG is defined if the host compiler supports "long long" */
|
||
|
||
#ifndef LONGEST
|
||
# ifdef CC_HAS_LONG_LONG
|
||
# define LONGEST long long
|
||
# else
|
||
# define LONGEST long
|
||
# endif
|
||
#endif
|
||
|
||
#endif /* No BFD64 */
|
||
|
||
/* Convert a LONGEST to an int. This is used in contexts (e.g. number of
|
||
arguments to a function, number in a value history, register number, etc.)
|
||
where the value must not be larger than can fit in an int. */
|
||
|
||
extern int longest_to_int PARAMS ((LONGEST));
|
||
|
||
/* Assorted functions we can declare, now that const and volatile are
|
||
defined. */
|
||
|
||
extern char *savestring PARAMS ((const char *, int));
|
||
|
||
extern char *msavestring PARAMS ((void *, const char *, int));
|
||
|
||
extern char *strsave PARAMS ((const char *));
|
||
|
||
extern char *mstrsave PARAMS ((void *, const char *));
|
||
|
||
extern PTR xmmalloc PARAMS ((PTR, long));
|
||
|
||
extern PTR xmrealloc PARAMS ((PTR, PTR, long));
|
||
|
||
extern int parse_escape PARAMS ((char **));
|
||
|
||
extern char *reg_names[];
|
||
|
||
/* Message to be printed before the error message, when an error occurs. */
|
||
|
||
extern char *error_pre_print;
|
||
|
||
/* Message to be printed before the error message, when an error occurs. */
|
||
|
||
extern char *quit_pre_print;
|
||
|
||
/* Message to be printed before the warning message, when a warning occurs. */
|
||
|
||
extern char *warning_pre_print;
|
||
|
||
extern NORETURN void error PARAMS((char *, ...)) ATTR_NORETURN;
|
||
|
||
extern void error_begin PARAMS ((void));
|
||
|
||
extern NORETURN void fatal PARAMS((char *, ...)) ATTR_NORETURN;
|
||
|
||
extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN;
|
||
|
||
/* Reasons for calling return_to_top_level. */
|
||
enum return_reason {
|
||
/* User interrupt. */
|
||
RETURN_QUIT,
|
||
|
||
/* Any other error. */
|
||
RETURN_ERROR
|
||
};
|
||
|
||
#define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
|
||
#define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
|
||
#define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
|
||
typedef int return_mask;
|
||
|
||
extern NORETURN void
|
||
return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN;
|
||
|
||
extern int
|
||
catch_errors PARAMS ((int (*) (char *), void *, char *, return_mask));
|
||
|
||
extern void warning_begin PARAMS ((void));
|
||
|
||
extern void warning PARAMS ((char *, ...))
|
||
ATTR_FORMAT(printf, 1, 2);
|
||
|
||
/* Global functions from other, non-gdb GNU thingies.
|
||
Libiberty thingies are no longer declared here. We include libiberty.h
|
||
above, instead. */
|
||
|
||
#ifndef GETENV_PROVIDED
|
||
extern char *getenv PARAMS ((const char *));
|
||
#endif
|
||
|
||
/* From other system libraries */
|
||
|
||
#ifdef HAVE_STDDEF_H
|
||
#include <stddef.h>
|
||
#endif
|
||
|
||
#ifdef HAVE_STDLIB_H
|
||
#include <stdlib.h>
|
||
#endif
|
||
|
||
|
||
/* We take the address of fclose later, but some stdio's forget
|
||
to declare this. We can't always declare it since there's
|
||
no way to declare the parameters without upsetting some compiler
|
||
somewhere. */
|
||
|
||
#ifndef FCLOSE_PROVIDED
|
||
extern int fclose PARAMS ((FILE *));
|
||
#endif
|
||
|
||
#ifndef atof
|
||
extern double atof PARAMS ((const char *)); /* X3.159-1989 4.10.1.1 */
|
||
#endif
|
||
|
||
#ifndef MALLOC_INCOMPATIBLE
|
||
|
||
#ifdef NEED_DECLARATION_MALLOC
|
||
extern PTR malloc ();
|
||
#endif
|
||
|
||
#ifdef NEED_DECLARATION_REALLOC
|
||
extern PTR realloc ();
|
||
#endif
|
||
|
||
#ifdef NEED_DECLARATION_FREE
|
||
extern void free ();
|
||
#endif
|
||
|
||
#endif /* MALLOC_INCOMPATIBLE */
|
||
|
||
/* Various possibilities for alloca. */
|
||
#ifndef alloca
|
||
# ifdef __GNUC__
|
||
# define alloca __builtin_alloca
|
||
# else /* Not GNU C */
|
||
# ifdef sparc
|
||
# include <alloca.h> /* NOTE: Doesn't declare alloca() */
|
||
# endif
|
||
|
||
/* We need to be careful not to declare this in a way which conflicts with
|
||
bison. Bison never declares it as char *, but under various circumstances
|
||
(like __hpux) we need to use void *. */
|
||
# if defined (__STDC__) || defined (__hpux)
|
||
extern void *alloca ();
|
||
# else /* Don't use void *. */
|
||
extern char *alloca ();
|
||
# endif /* Don't use void *. */
|
||
# endif /* Not GNU C */
|
||
#endif /* alloca not defined */
|
||
|
||
/* HOST_BYTE_ORDER must be defined to one of these. */
|
||
|
||
#ifdef HAVE_ENDIAN_H
|
||
#include <endian.h>
|
||
#endif
|
||
|
||
#if !defined (BIG_ENDIAN)
|
||
#define BIG_ENDIAN 4321
|
||
#endif
|
||
|
||
#if !defined (LITTLE_ENDIAN)
|
||
#define LITTLE_ENDIAN 1234
|
||
#endif
|
||
|
||
/* Target-system-dependent parameters for GDB. */
|
||
|
||
#ifdef TARGET_BYTE_ORDER_SELECTABLE
|
||
/* The target endianness is selectable at runtime. Define
|
||
TARGET_BYTE_ORDER to be a variable. The user can use the `set
|
||
endian' command to change it. */
|
||
#undef TARGET_BYTE_ORDER
|
||
#define TARGET_BYTE_ORDER target_byte_order
|
||
extern int target_byte_order;
|
||
#endif
|
||
|
||
extern void set_endian_from_file PARAMS ((bfd *));
|
||
|
||
/* Number of bits in a char or unsigned char for the target machine.
|
||
Just like CHAR_BIT in <limits.h> but describes the target machine. */
|
||
#if !defined (TARGET_CHAR_BIT)
|
||
#define TARGET_CHAR_BIT 8
|
||
#endif
|
||
|
||
/* Number of bits in a short or unsigned short for the target machine. */
|
||
#if !defined (TARGET_SHORT_BIT)
|
||
#define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
|
||
#endif
|
||
|
||
/* Number of bits in an int or unsigned int for the target machine. */
|
||
#if !defined (TARGET_INT_BIT)
|
||
#define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
|
||
#endif
|
||
|
||
/* Number of bits in a long or unsigned long for the target machine. */
|
||
#if !defined (TARGET_LONG_BIT)
|
||
#define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
|
||
#endif
|
||
|
||
/* Number of bits in a long long or unsigned long long for the target machine. */
|
||
#if !defined (TARGET_LONG_LONG_BIT)
|
||
#define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
|
||
#endif
|
||
|
||
/* Number of bits in a float for the target machine. */
|
||
#if !defined (TARGET_FLOAT_BIT)
|
||
#define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
|
||
#endif
|
||
|
||
/* Number of bits in a double for the target machine. */
|
||
#if !defined (TARGET_DOUBLE_BIT)
|
||
#define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
|
||
#endif
|
||
|
||
/* Number of bits in a long double for the target machine. */
|
||
#if !defined (TARGET_LONG_DOUBLE_BIT)
|
||
#define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
|
||
#endif
|
||
|
||
/* Number of bits in a pointer for the target machine */
|
||
#if !defined (TARGET_PTR_BIT)
|
||
#define TARGET_PTR_BIT TARGET_INT_BIT
|
||
#endif
|
||
|
||
/* If we picked up a copy of CHAR_BIT from a configuration file
|
||
(which may get it by including <limits.h>) then use it to set
|
||
the number of bits in a host char. If not, use the same size
|
||
as the target. */
|
||
|
||
#if defined (CHAR_BIT)
|
||
#define HOST_CHAR_BIT CHAR_BIT
|
||
#else
|
||
#define HOST_CHAR_BIT TARGET_CHAR_BIT
|
||
#endif
|
||
|
||
/* The bit byte-order has to do just with numbering of bits in
|
||
debugging symbols and such. Conceptually, it's quite separate
|
||
from byte/word byte order. */
|
||
|
||
#if !defined (BITS_BIG_ENDIAN)
|
||
#ifndef TARGET_BYTE_ORDER_SELECTABLE
|
||
|
||
#if TARGET_BYTE_ORDER == BIG_ENDIAN
|
||
#define BITS_BIG_ENDIAN 1
|
||
#endif /* Big endian. */
|
||
|
||
#if TARGET_BYTE_ORDER == LITTLE_ENDIAN
|
||
#define BITS_BIG_ENDIAN 0
|
||
#endif /* Little endian. */
|
||
|
||
#else /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
|
||
|
||
#define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
|
||
|
||
#endif /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
|
||
#endif /* BITS_BIG_ENDIAN not defined. */
|
||
|
||
/* In findvar.c. */
|
||
|
||
extern LONGEST extract_signed_integer PARAMS ((void *, int));
|
||
|
||
extern unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int));
|
||
|
||
extern int extract_long_unsigned_integer PARAMS ((void *, int, LONGEST *));
|
||
|
||
extern CORE_ADDR extract_address PARAMS ((void *, int));
|
||
|
||
extern void store_signed_integer PARAMS ((void *, int, LONGEST));
|
||
|
||
extern void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST));
|
||
|
||
extern void store_address PARAMS ((void *, int, CORE_ADDR));
|
||
|
||
/* Setup definitions for host and target floating point formats. We need to
|
||
consider the format for `float', `double', and `long double' for both target
|
||
and host. We need to do this so that we know what kind of conversions need
|
||
to be done when converting target numbers to and from the hosts DOUBLEST
|
||
data type. */
|
||
|
||
/* This is used to indicate that we don't know the format of the floating point
|
||
number. Typically, this is useful for native ports, where the actual format
|
||
is irrelevant, since no conversions will be taking place. */
|
||
|
||
extern const struct floatformat floatformat_unknown;
|
||
|
||
#if HOST_BYTE_ORDER == BIG_ENDIAN
|
||
# ifndef HOST_FLOAT_FORMAT
|
||
# define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
|
||
# endif
|
||
# ifndef HOST_DOUBLE_FORMAT
|
||
# define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
|
||
# endif
|
||
#else /* LITTLE_ENDIAN */
|
||
# ifndef HOST_FLOAT_FORMAT
|
||
# define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
|
||
# endif
|
||
# ifndef HOST_DOUBLE_FORMAT
|
||
# define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
|
||
# endif
|
||
#endif
|
||
|
||
#ifndef HOST_LONG_DOUBLE_FORMAT
|
||
#define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
|
||
#endif
|
||
|
||
#ifndef TARGET_BYTE_ORDER_SELECTABLE
|
||
# if TARGET_BYTE_ORDER == BIG_ENDIAN
|
||
# ifndef TARGET_FLOAT_FORMAT
|
||
# define TARGET_FLOAT_FORMAT &floatformat_ieee_single_big
|
||
# endif
|
||
# ifndef TARGET_DOUBLE_FORMAT
|
||
# define TARGET_DOUBLE_FORMAT &floatformat_ieee_double_big
|
||
# endif
|
||
# else /* LITTLE_ENDIAN */
|
||
# ifndef TARGET_FLOAT_FORMAT
|
||
# define TARGET_FLOAT_FORMAT &floatformat_ieee_single_little
|
||
# endif
|
||
# ifndef TARGET_DOUBLE_FORMAT
|
||
# define TARGET_DOUBLE_FORMAT &floatformat_ieee_double_little
|
||
# endif
|
||
# endif
|
||
#else /* TARGET_BYTE_ORDER_SELECTABLE */
|
||
# ifndef TARGET_FLOAT_FORMAT
|
||
# define TARGET_FLOAT_FORMAT (target_byte_order == BIG_ENDIAN \
|
||
? &floatformat_ieee_single_big \
|
||
: &floatformat_ieee_single_little)
|
||
# endif
|
||
# ifndef TARGET_DOUBLE_FORMAT
|
||
# define TARGET_DOUBLE_FORMAT (target_byte_order == BIG_ENDIAN \
|
||
? &floatformat_ieee_double_big \
|
||
: &floatformat_ieee_double_little)
|
||
# endif
|
||
#endif
|
||
|
||
#ifndef TARGET_LONG_DOUBLE_FORMAT
|
||
# define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
|
||
#endif
|
||
|
||
/* Use `long double' if the host compiler supports it. (Note that this is not
|
||
necessarily any longer than `double'. On SunOS/gcc, it's the same as
|
||
double.) This is necessary because GDB internally converts all floating
|
||
point values to the widest type supported by the host.
|
||
|
||
There are problems however, when the target `long double' is longer than the
|
||
host's `long double'. In general, we'll probably reduce the precision of
|
||
any such values and print a warning. */
|
||
|
||
#ifdef HAVE_LONG_DOUBLE
|
||
typedef long double DOUBLEST;
|
||
#else
|
||
typedef double DOUBLEST;
|
||
#endif
|
||
|
||
extern void floatformat_to_doublest PARAMS ((const struct floatformat *,
|
||
char *, DOUBLEST *));
|
||
extern void floatformat_from_doublest PARAMS ((const struct floatformat *,
|
||
DOUBLEST *, char *));
|
||
extern DOUBLEST extract_floating PARAMS ((void *, int));
|
||
|
||
extern void store_floating PARAMS ((void *, int, DOUBLEST));
|
||
|
||
/* On some machines there are bits in addresses which are not really
|
||
part of the address, but are used by the kernel, the hardware, etc.
|
||
for special purposes. ADDR_BITS_REMOVE takes out any such bits
|
||
so we get a "real" address such as one would find in a symbol
|
||
table. This is used only for addresses of instructions, and even then
|
||
I'm not sure it's used in all contexts. It exists to deal with there
|
||
being a few stray bits in the PC which would mislead us, not as some sort
|
||
of generic thing to handle alignment or segmentation (it's possible it
|
||
should be in TARGET_READ_PC instead). */
|
||
#if !defined (ADDR_BITS_REMOVE)
|
||
#define ADDR_BITS_REMOVE(addr) (addr)
|
||
#endif /* No ADDR_BITS_REMOVE. */
|
||
|
||
/* From valops.c */
|
||
|
||
extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int));
|
||
|
||
extern CORE_ADDR push_word PARAMS ((CORE_ADDR, unsigned LONGEST));
|
||
|
||
/* Some parts of gdb might be considered optional, in the sense that they
|
||
are not essential for being able to build a working, usable debugger
|
||
for a specific environment. For example, the maintenance commands
|
||
are there for the benefit of gdb maintainers. As another example,
|
||
some environments really don't need gdb's that are able to read N
|
||
different object file formats. In order to make it possible (but
|
||
not necessarily recommended) to build "stripped down" versions of
|
||
gdb, the following defines control selective compilation of those
|
||
parts of gdb which can be safely left out when necessary. Note that
|
||
the default is to include everything. */
|
||
|
||
#ifndef MAINTENANCE_CMDS
|
||
#define MAINTENANCE_CMDS 1
|
||
#endif
|
||
|
||
#ifdef MAINTENANCE_CMDS
|
||
extern int watchdog;
|
||
#endif
|
||
|
||
#include "dis-asm.h" /* Get defs for disassemble_info */
|
||
|
||
extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr,
|
||
int len, disassemble_info *info));
|
||
|
||
extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr,
|
||
disassemble_info *info));
|
||
|
||
extern void dis_asm_print_address PARAMS ((bfd_vma addr,
|
||
disassemble_info *info));
|
||
|
||
extern int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info*));
|
||
extern disassemble_info tm_print_insn_info;
|
||
|
||
/* Hooks for alternate command interfaces. */
|
||
|
||
#ifdef __STDC__
|
||
struct target_waitstatus;
|
||
struct cmd_list_element;
|
||
#endif
|
||
|
||
extern void (*init_ui_hook) PARAMS ((void));
|
||
extern void (*command_loop_hook) PARAMS ((void));
|
||
extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer,
|
||
FILE *stream));
|
||
extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s,
|
||
int line, int stopline,
|
||
int noerror));
|
||
extern int (*query_hook) PARAMS ((const char *, va_list));
|
||
extern void (*flush_hook) PARAMS ((FILE *stream));
|
||
extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b));
|
||
extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
|
||
extern void (*modify_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
|
||
extern void (*target_output_hook) PARAMS ((char *));
|
||
extern void (*interactive_hook) PARAMS ((void));
|
||
extern void (*registers_changed_hook) PARAMS ((void));
|
||
extern void (*readline_begin_hook) PARAMS ((char *, ...));
|
||
extern char * (*readline_hook) PARAMS ((char *));
|
||
extern void (*readline_end_hook) PARAMS ((void));
|
||
|
||
extern int (*target_wait_hook) PARAMS ((int pid,
|
||
struct target_waitstatus *status));
|
||
|
||
extern void (*call_command_hook) PARAMS ((struct cmd_list_element *c,
|
||
char *cmd, int from_tty));
|
||
|
||
extern NORETURN void (*error_hook) PARAMS ((void)) ATTR_NORETURN;
|
||
|
||
|
||
|
||
/* Inhibit window interface if non-zero. */
|
||
|
||
extern int use_windows;
|
||
|
||
/* Symbolic definitions of filename-related things. */
|
||
/* FIXME, this doesn't work very well if host and executable
|
||
filesystems conventions are different. */
|
||
|
||
#ifndef DIRNAME_SEPARATOR
|
||
#define DIRNAME_SEPARATOR ':'
|
||
#endif
|
||
|
||
#ifndef SLASH_P
|
||
#if defined(__GO32__)||defined(_WIN32)
|
||
#define SLASH_P(X) ((X)=='\\')
|
||
#else
|
||
#define SLASH_P(X) ((X)=='/')
|
||
#endif
|
||
#endif
|
||
|
||
#ifndef SLASH_CHAR
|
||
#if defined(__GO32__)||defined(_WIN32)
|
||
#define SLASH_CHAR '\\'
|
||
#else
|
||
#define SLASH_CHAR '/'
|
||
#endif
|
||
#endif
|
||
|
||
#ifndef SLASH_STRING
|
||
#if defined(__GO32__)||defined(_WIN32)
|
||
#define SLASH_STRING "\\"
|
||
#else
|
||
#define SLASH_STRING "/"
|
||
#endif
|
||
#endif
|
||
|
||
#ifndef ROOTED_P
|
||
#define ROOTED_P(X) (SLASH_P((X)[0]))
|
||
#endif
|
||
|
||
#endif /* #ifndef DEFS_H */
|