938 lines
24 KiB
C
938 lines
24 KiB
C
/* Basic, host-specific, and target-specific definitions for GDB.
|
||
Copyright (C) 1986, 1989, 1991 Free Software Foundation, Inc.
|
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This file is part of GDB.
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||
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||
This program is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2 of the License, or
|
||
(at your option) any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with this program; if not, write to the Free Software
|
||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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||
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||
#if !defined (DEFS_H)
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#define DEFS_H 1
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#include <stdio.h>
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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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/* 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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#include <errno.h> /* System call error return status */
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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
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quit PARAMS ((void));
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#define QUIT { if (quit_flag) quit (); }
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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_m2 /* Modula-2 */
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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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/* From blockframe.c */
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extern int
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inside_entry_func PARAMS ((CORE_ADDR));
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extern int
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inside_entry_file PARAMS ((CORE_ADDR addr));
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extern int
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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 *
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chill_demangle PARAMS ((const char *));
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/* From libiberty.a */
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extern char *
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cplus_demangle PARAMS ((const char *, int));
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|
||
extern char *
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||
cplus_mangle_opname PARAMS ((char *, int));
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||
|
||
/* From libmmalloc.a (memory mapped malloc library) */
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||
extern PTR
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mmalloc_attach PARAMS ((int, PTR));
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extern PTR
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mmalloc_detach PARAMS ((PTR));
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extern PTR
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mmalloc PARAMS ((PTR, long));
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extern PTR
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mrealloc PARAMS ((PTR, PTR, long));
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|
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extern void
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mfree PARAMS ((PTR, PTR));
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|
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extern int
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mmalloc_setkey PARAMS ((PTR, int, PTR));
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extern PTR
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mmalloc_getkey PARAMS ((PTR, int));
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|
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/* From utils.c */
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extern int
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strcmp_iw PARAMS ((const char *, const char *));
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|
||
extern char *
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||
safe_strerror PARAMS ((int));
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|
||
extern char *
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||
safe_strsignal PARAMS ((int));
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|
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extern void
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init_malloc PARAMS ((void *));
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extern void
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request_quit PARAMS ((int));
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extern void
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do_cleanups PARAMS ((struct cleanup *));
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extern void
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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 *
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make_cleanup ();
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extern struct cleanup *
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save_cleanups PARAMS ((void));
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extern void
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restore_cleanups PARAMS ((struct cleanup *));
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extern void
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free_current_contents PARAMS ((char **));
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extern void
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null_cleanup PARAMS ((char **));
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extern int
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myread PARAMS ((int, char *, int));
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extern int
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query ();
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extern void
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begin_line PARAMS ((void));
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extern void
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wrap_here PARAMS ((char *));
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extern void
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reinitialize_more_filter PARAMS ((void));
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||
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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 int
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print_insn PARAMS ((CORE_ADDR, GDB_FILE *));
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extern void
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gdb_flush PARAMS ((GDB_FILE *));
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extern GDB_FILE *
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gdb_fopen PARAMS ((char * name, char * mode));
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extern void
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fputs_filtered PARAMS ((const char *, GDB_FILE *));
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extern void
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||
fputs_unfiltered PARAMS ((const char *, GDB_FILE *));
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extern void
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fputc_unfiltered PARAMS ((int, GDB_FILE *));
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||
extern void
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||
putc_unfiltered PARAMS ((int));
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#define putchar_unfiltered(C) putc_unfiltered(C)
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extern void
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puts_filtered PARAMS ((char *));
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extern void
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puts_unfiltered PARAMS ((char *));
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extern void
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vprintf_filtered ();
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extern void
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vfprintf_filtered ();
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extern void
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fprintf_filtered ();
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extern void
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fprintfi_filtered ();
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extern void
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printf_filtered ();
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extern void
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printfi_filtered ();
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extern void
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vprintf_unfiltered ();
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extern void
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vfprintf_unfiltered ();
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extern void
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fprintf_unfiltered ();
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extern void
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printf_unfiltered ();
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extern void
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print_spaces PARAMS ((int, GDB_FILE *));
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extern void
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print_spaces_filtered PARAMS ((int, GDB_FILE *));
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||
extern char *
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n_spaces PARAMS ((int));
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extern void
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gdb_printchar PARAMS ((int, GDB_FILE *, int));
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/* Print a host address. */
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extern void gdb_print_address PARAMS ((void *, GDB_FILE *));
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extern void
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fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *, enum language, int));
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||
extern void
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||
perror_with_name PARAMS ((char *));
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||
extern void
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||
print_sys_errmsg PARAMS ((char *, int));
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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 *
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||
re_comp PARAMS ((const char *));
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/* From symfile.c */
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extern void
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symbol_file_command PARAMS ((char *, int));
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/* From main.c */
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extern char *
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skip_quoted PARAMS ((char *));
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extern char *
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||
gdb_readline PARAMS ((char *));
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||
extern char *
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||
command_line_input PARAMS ((char *, int));
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||
|
||
extern void
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||
print_prompt PARAMS ((void));
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||
|
||
extern int
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||
batch_mode PARAMS ((void));
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extern int
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input_from_terminal_p PARAMS ((void));
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||
|
||
/* From printcmd.c */
|
||
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extern void
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set_next_address PARAMS ((CORE_ADDR));
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|
||
extern void
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||
print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int, char *));
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||
|
||
extern void
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||
print_address_numeric PARAMS ((CORE_ADDR, GDB_FILE *));
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||
|
||
extern void
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||
print_address PARAMS ((CORE_ADDR, GDB_FILE *));
|
||
|
||
/* From source.c */
|
||
|
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extern int
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openp PARAMS ((char *, int, char *, int, int, char **));
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|
||
extern void
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||
mod_path PARAMS ((char *, char **));
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||
|
||
extern void
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||
directory_command PARAMS ((char *, int));
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||
|
||
extern void
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||
init_source_path PARAMS ((void));
|
||
|
||
/* From findvar.c */
|
||
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||
extern int
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||
read_relative_register_raw_bytes PARAMS ((int, char *));
|
||
|
||
/* From readline (but not in any readline .h files). */
|
||
|
||
extern char *
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||
tilde_expand PARAMS ((char *));
|
||
|
||
/* Structure for saved commands lines
|
||
(for breakpoints, defined commands, etc). */
|
||
|
||
struct command_line
|
||
{
|
||
struct command_line *next;
|
||
char *line;
|
||
};
|
||
|
||
extern struct command_line *
|
||
read_command_lines PARAMS ((void));
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||
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||
extern void
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||
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;
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||
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. */
|
||
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||
#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"
|
||
|
||
/* 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
|
||
|
||
/*
|
||
* Allow things in gdb to be declared "const". If compiling ANSI, it
|
||
* just works. If compiling with gcc but non-ansi, redefine to __const__.
|
||
* If non-ansi, non-gcc, then eliminate "const" entirely, making those
|
||
* objects be read-write rather than read-only.
|
||
*/
|
||
|
||
#ifndef const
|
||
#ifndef __STDC__
|
||
# ifdef __GNUC__
|
||
# define const __const__
|
||
# else
|
||
# define const /*nothing*/
|
||
# endif /* GNUC */
|
||
#endif /* STDC */
|
||
#endif /* const */
|
||
|
||
#ifndef volatile
|
||
#ifndef __STDC__
|
||
# ifdef __GNUC__
|
||
# define volatile __volatile__
|
||
# else
|
||
# define volatile /*nothing*/
|
||
# endif /* GNUC */
|
||
#endif /* STDC */
|
||
#endif /* volatile */
|
||
|
||
#if 1
|
||
#define NORETURN /*nothing*/
|
||
#else /* not 1 */
|
||
/* FIXME: This is bogus. Having "volatile void" mean a function doesn't
|
||
return is a gcc extension and should be based on #ifdef __GNUC__.
|
||
Also, as of Sep 93 I'm told gcc is changing the syntax for ansi
|
||
reasons (so declaring exit here as "volatile void" and as "void" in
|
||
a system header loses). Using the new "__attributes__ ((noreturn));"
|
||
syntax would lose for old versions of gcc; using
|
||
typedef void exit_fn_type PARAMS ((int));
|
||
volatile exit_fn_type exit;
|
||
would win. */
|
||
/* Some compilers (many AT&T SVR4 compilers for instance), do not accept
|
||
declarations of functions that never return (exit for instance) as
|
||
"volatile void". For such compilers "NORETURN" can be defined away
|
||
to keep them happy */
|
||
|
||
#ifndef NORETURN
|
||
# ifdef __lucid
|
||
# define NORETURN /*nothing*/
|
||
# else
|
||
# define NORETURN volatile
|
||
# endif
|
||
#endif
|
||
#endif /* not 1 */
|
||
|
||
/* Defaults for system-wide constants (if not defined by xm.h, we fake it). */
|
||
|
||
#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_MAX - 1) /* 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 */
|
||
|
||
/* Default to support for "long long" if the host compiler being used is gcc.
|
||
Config files must define CC_HAS_LONG_LONG to use other host compilers
|
||
that are capable of supporting "long long", and to cause gdb to use that
|
||
support. Not defining CC_HAS_LONG_LONG will suppress use of "long long"
|
||
regardless of what compiler is used.
|
||
|
||
FIXME: For now, automatic selection of "long long" as the default when
|
||
gcc is used is disabled, pending further testing. Concerns include the
|
||
impact on gdb performance and the universality of bugfree long long
|
||
support on platforms that do have gcc. Compiling with FORCE_LONG_LONG
|
||
will select "long long" use for testing purposes. -fnf */
|
||
|
||
#ifndef CC_HAS_LONG_LONG
|
||
# if defined (__GNUC__) /*&& defined (FORCE_LONG_LONG)*/ /* See FIXME above */
|
||
# define CC_HAS_LONG_LONG 1
|
||
# endif
|
||
#endif
|
||
|
||
/* 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"
|
||
variables and we wish to make use of that support. */
|
||
|
||
#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 char *
|
||
concat PARAMS ((char *, ...));
|
||
|
||
extern PTR
|
||
xmalloc PARAMS ((long));
|
||
|
||
extern PTR
|
||
xrealloc PARAMS ((PTR, long));
|
||
|
||
extern PTR
|
||
xmmalloc PARAMS ((PTR, long));
|
||
|
||
extern PTR
|
||
xmrealloc PARAMS ((PTR, PTR, long));
|
||
|
||
extern PTR
|
||
mmalloc PARAMS ((PTR, long));
|
||
|
||
extern PTR
|
||
mrealloc PARAMS ((PTR, PTR, long));
|
||
|
||
extern void
|
||
mfree PARAMS ((PTR, PTR));
|
||
|
||
extern int
|
||
mmcheck PARAMS ((PTR, void (*) (void)));
|
||
|
||
extern int
|
||
mmtrace PARAMS ((void));
|
||
|
||
extern int
|
||
parse_escape PARAMS ((char **));
|
||
|
||
extern const char * const 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 warning message, when a warning occurs. */
|
||
|
||
extern char *warning_pre_print;
|
||
|
||
extern NORETURN void /* Does not return to the caller. */
|
||
error ();
|
||
|
||
extern NORETURN void /* Does not return to the caller. */
|
||
fatal ();
|
||
|
||
extern NORETURN void /* Not specified as volatile in ... */
|
||
exit PARAMS ((int)); /* 4.10.4.3 */
|
||
|
||
extern NORETURN void /* Does not return to the caller. */
|
||
nomem PARAMS ((long));
|
||
|
||
/* 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 /* Does not return to the caller. */
|
||
return_to_top_level PARAMS ((enum return_reason));
|
||
|
||
extern int catch_errors PARAMS ((int (*) (char *), void *, char *,
|
||
return_mask));
|
||
|
||
extern void
|
||
warning_setup PARAMS ((void));
|
||
|
||
extern void
|
||
warning ();
|
||
|
||
/* Global functions from other, non-gdb GNU thingies (libiberty for
|
||
instance) */
|
||
|
||
extern char *
|
||
basename PARAMS ((char *));
|
||
|
||
extern char *
|
||
getenv PARAMS ((const char *));
|
||
|
||
extern char **
|
||
buildargv PARAMS ((char *));
|
||
|
||
extern void
|
||
freeargv PARAMS ((char **));
|
||
|
||
extern char *
|
||
strerrno PARAMS ((int));
|
||
|
||
extern char *
|
||
strsigno PARAMS ((int));
|
||
|
||
extern int
|
||
errno_max PARAMS ((void));
|
||
|
||
extern int
|
||
signo_max PARAMS ((void));
|
||
|
||
extern int
|
||
strtoerrno PARAMS ((char *));
|
||
|
||
extern int
|
||
strtosigno PARAMS ((char *));
|
||
|
||
extern char *
|
||
strsignal PARAMS ((int));
|
||
|
||
/* From other system libraries */
|
||
|
||
#ifndef PSIGNAL_IN_SIGNAL_H
|
||
extern void
|
||
psignal PARAMS ((unsigned, const char *));
|
||
#endif
|
||
|
||
/* For now, we can't include <stdlib.h> because it conflicts with
|
||
"../include/getopt.h". (FIXME)
|
||
|
||
However, if a function is defined in the ANSI C standard and a prototype
|
||
for that function is defined and visible in any header file in an ANSI
|
||
conforming environment, then that prototype must match the definition in
|
||
the ANSI standard. So we can just duplicate them here without conflict,
|
||
since they must be the same in all conforming ANSI environments. If
|
||
these cause problems, then the environment is not ANSI conformant. */
|
||
|
||
#ifdef __STDC__
|
||
#include <stddef.h>
|
||
#endif
|
||
|
||
extern int
|
||
fclose PARAMS ((GDB_FILE *stream)); /* 4.9.5.1 */
|
||
|
||
extern void
|
||
perror PARAMS ((const char *)); /* 4.9.10.4 */
|
||
|
||
extern double
|
||
atof PARAMS ((const char *nptr)); /* 4.10.1.1 */
|
||
|
||
extern int
|
||
atoi PARAMS ((const char *)); /* 4.10.1.2 */
|
||
|
||
#ifndef MALLOC_INCOMPATIBLE
|
||
|
||
extern PTR
|
||
malloc PARAMS ((size_t size)); /* 4.10.3.3 */
|
||
|
||
extern PTR
|
||
realloc PARAMS ((void *ptr, size_t size)); /* 4.10.3.4 */
|
||
|
||
extern void
|
||
free PARAMS ((void *)); /* 4.10.3.2 */
|
||
|
||
#endif /* MALLOC_INCOMPATIBLE */
|
||
|
||
extern void
|
||
qsort PARAMS ((void *base, size_t nmemb, /* 4.10.5.2 */
|
||
size_t size,
|
||
int (*comp)(const void *, const void *)));
|
||
|
||
#ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */
|
||
extern PTR
|
||
memcpy PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */
|
||
|
||
extern int
|
||
memcmp PARAMS ((const void *, const void *, size_t)); /* 4.11.4.1 */
|
||
#endif
|
||
|
||
extern char *
|
||
strchr PARAMS ((const char *, int)); /* 4.11.5.2 */
|
||
|
||
extern char *
|
||
strrchr PARAMS ((const char *, int)); /* 4.11.5.5 */
|
||
|
||
extern char *
|
||
strstr PARAMS ((const char *, const char *)); /* 4.11.5.7 */
|
||
|
||
extern char *
|
||
strtok PARAMS ((char *, const char *)); /* 4.11.5.8 */
|
||
|
||
#ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */
|
||
extern PTR
|
||
memset PARAMS ((void *, int, size_t)); /* 4.11.6.1 */
|
||
#endif
|
||
|
||
extern char *
|
||
strerror PARAMS ((int)); /* 4.11.6.2 */
|
||
|
||
/* 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 */
|
||
|
||
/* TARGET_BYTE_ORDER and HOST_BYTE_ORDER must be defined to one of these. */
|
||
|
||
#if !defined (BIG_ENDIAN)
|
||
#define BIG_ENDIAN 4321
|
||
#endif
|
||
|
||
#if !defined (LITTLE_ENDIAN)
|
||
#define LITTLE_ENDIAN 1234
|
||
#endif
|
||
|
||
/* Target-system-dependent parameters for GDB. */
|
||
|
||
/* Target machine definition. This will be a symlink to one of the
|
||
tm-*.h files, built by the `configure' script. */
|
||
|
||
#include "tm.h"
|
||
|
||
/* 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 "complex" for the target machine. */
|
||
#if !defined (TARGET_COMPLEX_BIT)
|
||
#define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT)
|
||
#endif
|
||
|
||
/* Number of bits in a "double complex" for the target machine. */
|
||
#if !defined (TARGET_DOUBLE_COMPLEX_BIT)
|
||
#define TARGET_DOUBLE_COMPLEX_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)
|
||
#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. */
|
||
#endif /* BITS_BIG_ENDIAN not defined. */
|
||
|
||
/* In findvar.c. */
|
||
LONGEST extract_signed_integer PARAMS ((void *, int));
|
||
unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int));
|
||
CORE_ADDR extract_address PARAMS ((void *, int));
|
||
|
||
void store_signed_integer PARAMS ((void *, int, LONGEST));
|
||
void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST));
|
||
void store_address PARAMS ((void *, int, CORE_ADDR));
|
||
|
||
double extract_floating PARAMS ((void *, int));
|
||
void store_floating PARAMS ((void *, int, double));
|
||
|
||
/* 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
|
||
|
||
#endif /* !defined (DEFS_H) */
|