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d747e0af3d
darling-gdb/gdb/defs.h
Michael Tiemann d747e0af3d Tue Mar 3 15:11:52 1992 Michael Tiemann (tiemann@cygnus.com) 
* All GDB files that #include defs.h: Removed stdio.h.
	(defs.h): #include stdio.h.

This has been tested by building GDBs for all targets hosted on Sun4.
None of the build problems were related to stdio.h inclusion.  (n.b.
many configurations don't build for other reasons.)
1992-03-03 23:26:26 +00:00

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/* Basic, host-specific, and target-specific definitions for GDB.
Copyright (C) 1986, 1989, 1991 Free Software Foundation, Inc.
This file is part of GDB.
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. */
#if !defined (DEFS_H)
#define DEFS_H 1
#include <stdio.h>
/* First include ansidecl.h so we can use the various macro definitions
in all subsequent file inclusions. FIXME: This inclusion can now
be removed from all files that include defs.h */
#include "ansidecl.h"
/* We could use the EXFUN macro in ansidecl.h to handle prototypes, but
the name is misleading the the result is ugly. So just define a simple
macro to handle the parameter lists. */
#ifdef __STDC__
#define PARAMS(paramlist) paramlist
#else
#define PARAMS(paramlist) ()
#endif
/* An address in the program being debugged. Host byte order. */
typedef unsigned int CORE_ADDR;
#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))
/* The character C++ uses to build identifiers that must be unique from
the program's identifiers (such as $this and $$vptr). */
#define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
extern int errno; /* System call error return status */
extern int quit_flag;
extern int immediate_quit;
extern void
quit PARAMS ((void));
#define QUIT { if (quit_flag) quit (); }
/* Notes on classes: class_alias is for alias commands which are not
abbreviations of the original command. */
enum command_class
{
/* Special args to help_list */
all_classes = -2, all_commands = -1,
/* Classes of commands */
no_class = -1, class_run = 0, class_vars, class_stack,
class_files, class_support, class_info, class_breakpoint,
class_alias, class_obscure, class_user
};
/* the cleanup list records things that have to be undone
if an error happens (descriptors to be closed, memory to be freed, etc.)
Each link in the chain records a function to call and an
argument to give it.
Use make_cleanup to add an element to the cleanup chain.
Use do_cleanups to do all cleanup actions back to a given
point in the chain. Use discard_cleanups to remove cleanups
from the chain back to a given point, not doing them. */
struct cleanup
{
struct cleanup *next;
void (*function) PARAMS ((PTR));
PTR arg;
};
/* From blockframe.c */
extern int
inside_entry_scope PARAMS ((CORE_ADDR));
extern int
outside_startup_file PARAMS ((CORE_ADDR addr));
extern int
inside_main_scope PARAMS ((CORE_ADDR pc));
/* From cplus-dem.c */
extern char *
cplus_demangle PARAMS ((const char *, int));
extern char *
cplus_mangle_opname PARAMS ((char *, int));
/* From mmap-*.c */
extern PTR
mmap_malloc PARAMS ((long));
extern PTR
mmap_realloc PARAMS ((PTR, long));
extern PTR
mmap_xmalloc PARAMS ((long));
extern PTR
mmap_xrealloc PARAMS ((PTR, long));
extern void
mmap_free PARAMS ((PTR));
extern PTR
mmap_sbrk PARAMS ((int));
extern PTR
mmap_base PARAMS ((void));
extern PTR
mmap_page_align PARAMS ((PTR));
extern PTR
mmap_remap PARAMS ((PTR, long, int, long));
/* From utils.c */
extern void
init_malloc PARAMS ((void));
extern void
request_quit PARAMS ((int));
extern void
do_cleanups PARAMS ((struct cleanup *));
extern void
discard_cleanups PARAMS ((struct cleanup *));
/* The bare make_cleanup function is one of those rare beasts that
takes almost any type of function as the first arg and anything that
will fit in a "void *" as the second arg.
Should be, once all calls and called-functions are cleaned up:
extern struct cleanup *
make_cleanup PARAMS ((void (*function) (PTR), PTR));
Until then, lint and/or various type-checking compiler options will
complain about make_cleanup calls. It'd be wrong to just cast things,
since the type actually passed when the function is called would be
wrong. */
extern struct cleanup *
make_cleanup ();
extern struct cleanup *
save_cleanups PARAMS ((void));
extern void
restore_cleanups PARAMS ((struct cleanup *));
extern void
free_current_contents PARAMS ((char **));
extern void
null_cleanup PARAMS ((char **));
extern int
myread PARAMS ((int, char *, int));
extern int
query ();
extern void
wrap_here PARAMS ((char *));
extern void
reinitialize_more_filter PARAMS ((void));
extern int
print_insn PARAMS ((CORE_ADDR, FILE *));
extern void
fputs_filtered PARAMS ((const char *, FILE *));
extern void
puts_filtered PARAMS ((char *));
extern void
fprintf_filtered ();
extern void
printf_filtered ();
extern void
print_spaces PARAMS ((int, FILE *));
extern void
print_spaces_filtered PARAMS ((int, FILE *));
extern char *
n_spaces PARAMS ((int));
extern void
printchar PARAMS ((int, FILE *, int));
extern void
fprint_symbol PARAMS ((FILE *, char *));
extern void
fputs_demangled PARAMS ((char *, FILE *, int));
extern void
perror_with_name PARAMS ((char *));
extern void
print_sys_errmsg PARAMS ((char *, int));
/* From regex.c */
extern char *
re_comp PARAMS ((char *));
/* From symfile.c */
extern void
symbol_file_command PARAMS ((char *, int));
/* From main.c */
extern char *
gdb_readline PARAMS ((char *));
extern char *
command_line_input PARAMS ((char *, int));
extern void
print_prompt PARAMS ((void));
extern int
batch_mode PARAMS ((void));
extern int
input_from_terminal_p PARAMS ((void));
extern int
catch_errors PARAMS ((int (*) (char *), char *, char *));
/* From printcmd.c */
extern void
set_next_address PARAMS ((CORE_ADDR));
extern void
print_address_symbolic PARAMS ((CORE_ADDR, FILE *, int, char *));
extern void
print_address PARAMS ((CORE_ADDR, FILE *));
/* From source.c */
extern int
openp PARAMS ((char *, int, char *, int, int, char **));
extern void
mod_path PARAMS ((char *, char **));
extern void
directory_command PARAMS ((char *, int));
extern void
init_source_path PARAMS ((void));
/* From findvar.c */
extern int
read_relative_register_raw_bytes PARAMS ((int, char *));
/* From readline (but not in any readline .h files). */
extern char *
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));
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;
/* Baud rate specified for communication with serial target systems. */
extern char *baud_rate;
/* Languages represented in the symbol table and elsewhere. */
enum language
{
language_unknown, /* Language not known */
language_auto, /* Placeholder for automatic setting */
language_c, /* C */
language_cplus, /* C++ */
language_m2 /* Modula-2 */
};
/* Return a format string for printf that will print a number in the local
(language-specific) hexadecimal format. Result is static and is
overwritten by the next call. local_hex_format_custom takes printf
options like "08" or "l" (to produce e.g. %08x or %lx). */
#define local_hex_format() (current_language->la_hex_format)
extern char *
local_hex_format_custom PARAMS ((char *)); /* language.c */
/* Return a string that contains a number formatted in the local
(language-specific) hexadecimal format. Result is static and is
overwritten by the next call. local_hex_string_custom takes printf
options like "08" or "l". */
extern char *
local_hex_string PARAMS ((int)); /* language.c */
extern char *
local_hex_string_custom PARAMS ((int, char *)); /* language.c */
/* Host machine definition. This will be a symlink to one of the
xm-*.h files, built by the `configure' script. */
#include "xm.h"
/*
* 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 */
/* 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
# define NORETURN volatile
#endif
/* Defaults for system-wide constants (if not defined by xm.h, we fake it). */
#if !defined (UINT_MAX)
#define UINT_MAX 0xffffffff
#endif
#if !defined (LONG_MAX)
#define LONG_MAX 0x7fffffff
#endif
#if !defined (INT_MAX)
#define INT_MAX 0x7fffffff
#endif
#if !defined (INT_MIN)
/* Two's complement, 32 bit. */
#define INT_MIN -0x80000000
#endif
/* 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 (sizeof (short) * 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 (sizeof (int) * 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 (sizeof (long) * 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 (sizeof (float) * TARGET_CHAR_BIT)
#endif
/* Number of bits in a double for the target machine. */
#if !defined (TARGET_DOUBLE_BIT)
#define TARGET_DOUBLE_BIT (sizeof (double) * 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
/* 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. */
#if !defined (longest_to_int)
#if defined (LONG_LONG)
#define longest_to_int(x) (((x) > INT_MAX || (x) < INT_MIN) \
? error ("Value out of range.") : (int) (x))
#else /* No LONG_LONG. */
/* Assume sizeof (int) == sizeof (long). */
#define longest_to_int(x) ((int) (x))
#endif /* No LONG_LONG. */
#endif /* No longest_to_int. */
/* This should not be a typedef, because "unsigned LONGEST" needs
to work. LONG_LONG is defined if the host has "long long". */
#ifndef LONGEST
# ifdef LONG_LONG
# define LONGEST long long
# else
# define LONGEST long
# endif
#endif
/* Assorted functions we can declare, now that const and volatile are
defined. */
extern char *
savestring PARAMS ((const char *, int));
extern char *
strsave PARAMS ((const char *));
extern char *
concat PARAMS ((char *, ...));
extern PTR
xmalloc PARAMS ((long));
extern PTR
xrealloc PARAMS ((char *, long));
extern int
parse_escape PARAMS ((char **));
extern char *reg_names[];
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. */
return_to_top_level PARAMS ((void));
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 **));
/* For now, we can't include <stdlib.h> because it conflicts with
"../include/getopt.h". (FIXME)
However, since any prototypes for any functions defined in the ANSI
specific, defined in any header files in an ANSI conforming environment,
must match those in the ANSI standard, we can just duplicate them here
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 ((FILE *stream)); /* 4.9.5.1 */
extern double
atof PARAMS ((const char *nptr)); /* 4.10.1.1 */
#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
extern void
qsort PARAMS ((void *base, size_t nmemb, /* 4.10.5.2 */
size_t size,
int (*comp)(const void *, const void *)));
extern char *
strchr PARAMS ((const char *, int)); /* 4.11.5.2 */
extern char *
strrchr PARAMS ((const char *, int)); /* 4.11.5.5 */
extern char *
strtok PARAMS ((char *, const char *)); /* 4.11.5.8 */
extern char *
strerror PARAMS ((int)); /* 4.11.6.2 */
/* Various possibilities for alloca. */
#ifndef alloca
# ifdef __GNUC__
# define alloca __builtin_alloca
# else
# ifdef sparc
# include <alloca.h>
# endif
extern char *alloca ();
# endif
#endif
/* TARGET_BYTE_ORDER and HOST_BYTE_ORDER should 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.
The standard thing is to include defs.h. However, files that are
specific to a particular target can define TM_FILE_OVERRIDE before
including defs.h, then can include any particular tm-file they desire. */
/* Target machine definition. This will be a symlink to one of the
tm-*.h files, built by the `configure' script. */
#ifndef TM_FILE_OVERRIDE
#include "tm.h"
#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. */
/* Swap LEN bytes at BUFFER between target and host byte-order. */
#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER
#define SWAP_TARGET_AND_HOST(buffer,len)
#else /* Target and host byte order differ. */
#define SWAP_TARGET_AND_HOST(buffer,len) \
{ \
char tmp; \
char *p = (char *)(buffer); \
char *q = ((char *)(buffer)) + len - 1; \
for (; p < q; p++, q--) \
{ \
tmp = *q; \
*q = *p; \
*p = tmp; \
} \
}
#endif /* Target and host byte order differ. */
/* 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. ADDR_BITS_SET sets those bits the way the system wants
them. */
#if !defined (ADDR_BITS_REMOVE)
#define ADDR_BITS_REMOVE(addr) (addr)
#define ADDR_BITS_SET(addr) (addr)
#endif /* No ADDR_BITS_REMOVE. */
#if !defined (SYS_SIGLIST_MISSING)
#define SYS_SIGLIST_MISSING defined (USG)
#endif /* No SYS_SIGLIST_MISSING */
/* From valops.c */
extern CORE_ADDR
push_bytes PARAMS ((CORE_ADDR, char *, int));
/* In some modules, we don't have a definition of REGISTER_TYPE yet, so we
must avoid prototyping this function for now. FIXME. Should be:
extern CORE_ADDR
push_word PARAMS ((CORE_ADDR, REGISTER_TYPE));
*/
extern CORE_ADDR
push_word ();
#endif /* !defined (DEFS_H) */
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