3f5c947f44
us up to version 2.17.50.20070703, at the last GPLv2 commit. Amongst others, this added upstream support for some FreeBSD-specific things that we previously had to manually hack in, such as the OSABI label support, and so on. There are also quite a number of new files, some for cpu's (e.g. SPU) that we may or may not be interested in, but those can be cleaned up later on, if needed.
668 lines
18 KiB
C
668 lines
18 KiB
C
/* as.h - global header file
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Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
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1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS 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, or (at your option)
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any later version.
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GAS 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 GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#ifndef GAS
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#define GAS 1
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/* I think this stuff is largely out of date. xoxorich.
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CAPITALISED names are #defined.
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"lowercaseH" is #defined if "lowercase.h" has been #include-d.
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"lowercaseT" is a typedef of "lowercase" objects.
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"lowercaseP" is type "pointer to object of type 'lowercase'".
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"lowercaseS" is typedef struct ... lowercaseS.
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#define DEBUG to enable all the "know" assertion tests.
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#define SUSPECT when debugging hash code.
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#define COMMON as "extern" for all modules except one, where you #define
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COMMON as "".
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If TEST is #defined, then we are testing a module: #define COMMON as "". */
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#include "config.h"
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/* This is the code recommended in the autoconf documentation, almost
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verbatim. If it doesn't work for you, let me know, and notify
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djm@gnu.ai.mit.edu as well. */
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/* Added void* version for STDC case. This is to be compatible with
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the declaration in bison.simple, used for m68k operand parsing.
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--KR 1995.08.08 */
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/* Force void* decl for hpux. This is what Bison uses. --KR 1995.08.16 */
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#ifndef __GNUC__
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# if HAVE_ALLOCA_H
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# include <alloca.h>
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# else
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# ifdef _AIX
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/* Indented so that pre-ansi C compilers will ignore it, rather than
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choke on it. Some versions of AIX require this to be the first
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thing in the file. */
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#pragma alloca
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# else
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# ifndef alloca /* predefined by HP cc +Olibcalls */
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# if !defined (__STDC__) && !defined (__hpux)
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extern char *alloca ();
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# else
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extern void *alloca ();
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# endif /* __STDC__, __hpux */
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# endif /* alloca */
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# endif /* _AIX */
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# endif /* HAVE_ALLOCA_H */
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#endif /* __GNUC__ */
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/* Prefer varargs for non-ANSI compiler, since some will barf if the
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ellipsis definition is used with a no-arguments declaration. */
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#if defined (HAVE_VARARGS_H) && !defined (__STDC__)
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#undef HAVE_STDARG_H
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#endif
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#if defined (HAVE_STDARG_H)
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#define USE_STDARG
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#endif
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#if !defined (USE_STDARG) && defined (HAVE_VARARGS_H)
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#define USE_VARARGS
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#endif
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/* Now, tend to the rest of the configuration. */
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/* System include files first... */
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#include <stdio.h>
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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/* for size_t, pid_t */
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#include <sys/types.h>
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#endif
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#ifdef HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#ifdef USE_STDARG
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#include <stdarg.h>
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#endif
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#ifdef USE_VARARGS
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#include <varargs.h>
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#endif
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#if !defined (USE_STDARG) && !defined (USE_VARARGS)
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/* Roll our own. */
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#define va_alist REST
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#define va_dcl
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typedef int * va_list;
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#define va_start(ARGS) ARGS = &REST
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#define va_end(ARGS)
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#endif
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#include "getopt.h"
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/* The first getopt value for machine-independent long options.
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150 isn't special; it's just an arbitrary non-ASCII char value. */
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#define OPTION_STD_BASE 150
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/* The first getopt value for machine-dependent long options.
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190 gives the standard options room to grow. */
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#define OPTION_MD_BASE 190
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#ifdef DEBUG
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#undef NDEBUG
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#endif
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#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
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#define __PRETTY_FUNCTION__ ((char*)0)
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#endif
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#define assert(P) \
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((void) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0)))
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#undef abort
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#define abort() as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
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/* Now GNU header files... */
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#include "ansidecl.h"
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#include "bfd.h"
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#include "libiberty.h"
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/* Define the standard progress macros. */
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#include "progress.h"
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/* This doesn't get taken care of anywhere. */
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#ifndef __MWERKS__ /* Metrowerks C chokes on the "defined (inline)" */
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#if !defined (__GNUC__) && !defined (inline)
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#define inline
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#endif
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#endif /* !__MWERKS__ */
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/* Other stuff from config.h. */
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#ifdef NEED_DECLARATION_ENVIRON
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extern char **environ;
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#endif
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#ifdef NEED_DECLARATION_ERRNO
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extern int errno;
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#endif
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#ifdef NEED_DECLARATION_FFS
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extern int ffs (int);
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#endif
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#ifdef NEED_DECLARATION_FREE
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extern void free ();
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#endif
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#ifdef NEED_DECLARATION_MALLOC
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extern PTR malloc ();
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extern PTR realloc ();
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#endif
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#ifdef NEED_DECLARATION_STRSTR
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extern char *strstr ();
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#endif
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#if !HAVE_DECL_VSNPRINTF
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extern int vsnprintf(char *, size_t, const char *, va_list);
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#endif
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/* This is needed for VMS. */
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#if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE)
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#define unlink remove
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#endif
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/* Hack to make "gcc -Wall" not complain about obstack macros. */
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#if !defined (memcpy) && !defined (bcopy)
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#define bcopy(src,dest,size) memcpy (dest, src, size)
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#endif
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/* Make Saber happier on obstack.h. */
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#ifdef SABER
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#undef __PTR_TO_INT
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#define __PTR_TO_INT(P) ((int) (P))
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#undef __INT_TO_PTR
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#define __INT_TO_PTR(P) ((char *) (P))
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#endif
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#ifndef __LINE__
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#define __LINE__ "unknown"
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#endif /* __LINE__ */
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#ifndef __FILE__
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#define __FILE__ "unknown"
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#endif /* __FILE__ */
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#ifndef FOPEN_WB
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#ifdef USE_BINARY_FOPEN
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#include "fopen-bin.h"
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#else
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#include "fopen-same.h"
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#endif
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#endif
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#ifndef EXIT_SUCCESS
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#define EXIT_SUCCESS 0
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#define EXIT_FAILURE 1
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#endif
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#endif
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#define obstack_chunk_alloc xmalloc
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#define obstack_chunk_free xfree
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#define xfree free
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#include "asintl.h"
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#define BAD_CASE(val) \
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{ \
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as_fatal (_("Case value %ld unexpected at line %d of file \"%s\"\n"), \
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(long) val, __LINE__, __FILE__); \
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}
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#include "flonum.h"
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/* These are assembler-wide concepts */
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extern bfd *stdoutput;
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typedef bfd_vma addressT;
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typedef bfd_signed_vma offsetT;
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/* Type of symbol value, etc. For use in prototypes. */
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typedef addressT valueT;
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#ifndef COMMON
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#ifdef TEST
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#define COMMON /* Declare our COMMONs storage here. */
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#else
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#define COMMON extern /* Our commons live elsewhere. */
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#endif
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#endif
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/* COMMON now defined */
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#ifndef ENABLE_CHECKING
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#define ENABLE_CHECKING 0
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#endif
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#if ENABLE_CHECKING || defined (DEBUG)
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#ifndef know
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#define know(p) assert(p) /* Verify our assumptions! */
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#endif /* not yet defined */
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#else
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#define know(p) /* know() checks are no-op.ed */
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#endif
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/* input_scrub.c */
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/* Supplies sanitised buffers to read.c.
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Also understands printing line-number part of error messages. */
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/* subsegs.c Sub-segments. Also, segment(=expression type)s.*/
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typedef asection *segT;
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#define SEG_NORMAL(SEG) ( (SEG) != absolute_section \
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&& (SEG) != undefined_section \
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&& (SEG) != reg_section \
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&& (SEG) != expr_section)
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typedef int subsegT;
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/* What subseg we are accessing now? */
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COMMON subsegT now_subseg;
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/* Segment our instructions emit to. */
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COMMON segT now_seg;
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#define segment_name(SEG) bfd_get_section_name (stdoutput, SEG)
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extern segT reg_section, expr_section;
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/* Shouldn't these be eliminated someday? */
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extern segT text_section, data_section, bss_section;
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#define absolute_section bfd_abs_section_ptr
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#define undefined_section bfd_und_section_ptr
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enum _relax_state
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{
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/* Dummy frag used by listing code. */
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rs_dummy = 0,
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/* Variable chars to be repeated fr_offset times.
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Fr_symbol unused. Used with fr_offset == 0 for a
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constant length frag. */
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rs_fill,
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/* Align. The fr_offset field holds the power of 2 to which to
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align. The fr_var field holds the number of characters in the
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fill pattern. The fr_subtype field holds the maximum number of
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bytes to skip when aligning, or 0 if there is no maximum. */
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rs_align,
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/* Align code. The fr_offset field holds the power of 2 to which
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to align. This type is only generated by machine specific
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code, which is normally responsible for handling the fill
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pattern. The fr_subtype field holds the maximum number of
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bytes to skip when aligning, or 0 if there is no maximum. */
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rs_align_code,
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/* Test for alignment. Like rs_align, but used by several targets
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to warn if data is not properly aligned. */
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rs_align_test,
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/* Org: Fr_offset, fr_symbol: address. 1 variable char: fill
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character. */
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rs_org,
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#ifndef WORKING_DOT_WORD
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/* JF: gunpoint */
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rs_broken_word,
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#endif
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/* Machine specific relaxable (or similarly alterable) instruction. */
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rs_machine_dependent,
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/* .space directive with expression operand that needs to be computed
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later. Similar to rs_org, but different.
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fr_symbol: operand
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1 variable char: fill character */
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rs_space,
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/* A DWARF leb128 value; only ELF uses this. The subtype is 0 for
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unsigned, 1 for signed. */
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rs_leb128,
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/* Exception frame information which we may be able to optimize. */
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rs_cfa,
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/* Cross-fragment dwarf2 line number optimization. */
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rs_dwarf2dbg
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};
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typedef enum _relax_state relax_stateT;
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/* This type is used in prototypes, so it can't be a type that will be
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widened for argument passing. */
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typedef unsigned int relax_substateT;
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/* Enough bits for address, but still an integer type.
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Could be a problem, cross-assembling for 64-bit machines. */
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typedef addressT relax_addressT;
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struct relax_type
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{
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/* Forward reach. Signed number. > 0. */
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offsetT rlx_forward;
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/* Backward reach. Signed number. < 0. */
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offsetT rlx_backward;
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/* Bytes length of this address. */
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unsigned char rlx_length;
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/* Next longer relax-state. 0 means there is no 'next' relax-state. */
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relax_substateT rlx_more;
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};
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typedef struct relax_type relax_typeS;
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/* main program "as.c" (command arguments etc). */
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COMMON unsigned char flag_no_comments; /* -f */
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COMMON unsigned char flag_debug; /* -D */
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COMMON unsigned char flag_signed_overflow_ok; /* -J */
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#ifndef WORKING_DOT_WORD
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COMMON unsigned char flag_warn_displacement; /* -K */
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#endif
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/* True if local symbols should be retained. */
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COMMON int flag_keep_locals; /* -L */
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/* True if we are assembling in MRI mode. */
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COMMON int flag_mri;
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/* Should the data section be made read-only and appended to the text
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section? */
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COMMON unsigned char flag_readonly_data_in_text; /* -R */
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/* True if warnings should be inhibited. */
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COMMON int flag_no_warnings; /* -W */
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/* True if warnings count as errors. */
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COMMON int flag_fatal_warnings; /* --fatal-warnings */
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/* True if we should attempt to generate output even if non-fatal errors
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are detected. */
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COMMON unsigned char flag_always_generate_output; /* -Z */
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/* This is true if the assembler should output time and space usage. */
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COMMON unsigned char flag_print_statistics;
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/* True if local absolute symbols are to be stripped. */
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COMMON int flag_strip_local_absolute;
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/* True if we should generate a traditional format object file. */
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COMMON int flag_traditional_format;
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/* TRUE if .note.GNU-stack section with SEC_CODE should be created */
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COMMON int flag_execstack;
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/* TRUE if .note.GNU-stack section with SEC_CODE should be created */
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COMMON int flag_noexecstack;
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/* name of emitted object file */
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COMMON char *out_file_name;
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/* name of file defining extensions to the basic instruction set */
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COMMON char *insttbl_file_name;
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/* TRUE if we need a second pass. */
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COMMON int need_pass_2;
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/* TRUE if we should do no relaxing, and
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leave lots of padding. */
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COMMON int linkrelax;
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/* TRUE if we should produce a listing. */
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extern int listing;
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/* Type of debugging information we should generate. We currently support
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stabs, ECOFF, and DWARF2.
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NOTE! This means debug information about the assembly source code itself
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and _not_ about possible debug information from a high-level language.
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This is especially relevant to DWARF2, since the compiler may emit line
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number directives that the assembler resolves. */
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enum debug_info_type
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{
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DEBUG_UNSPECIFIED,
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DEBUG_NONE,
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DEBUG_STABS,
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DEBUG_ECOFF,
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DEBUG_DWARF,
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DEBUG_DWARF2
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};
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extern enum debug_info_type debug_type;
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extern int use_gnu_debug_info_extensions;
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/* Maximum level of macro nesting. */
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extern int max_macro_nest;
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/* Verbosity level. */
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extern int verbose;
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/* Obstack chunk size. Keep large for efficient space use, make small to
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increase malloc calls for monitoring memory allocation. */
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extern int chunksize;
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struct _pseudo_type
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{
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/* assembler mnemonic, lower case, no '.' */
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const char *poc_name;
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/* Do the work */
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void (*poc_handler) (int);
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/* Value to pass to handler */
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int poc_val;
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};
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typedef struct _pseudo_type pseudo_typeS;
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#ifdef USE_STDARG
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#if (__GNUC__ >= 2) && !defined(VMS)
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/* for use with -Wformat */
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#if __GNUC__ == 2 && __GNUC_MINOR__ < 6
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/* Support for double underscores in attribute names was added in gcc
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2.6, so avoid them if we are using an earlier version. */
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#define __printf__ printf
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#define __format__ format
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#endif
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#define PRINTF_LIKE(FCN) \
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void FCN (const char *format, ...) \
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__attribute__ ((__format__ (__printf__, 1, 2)))
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#define PRINTF_WHERE_LIKE(FCN) \
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void FCN (char *file, unsigned int line, const char *format, ...) \
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__attribute__ ((__format__ (__printf__, 3, 4)))
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#else /* __GNUC__ < 2 || defined(VMS) */
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#define PRINTF_LIKE(FCN) void FCN (const char *format, ...)
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#define PRINTF_WHERE_LIKE(FCN) void FCN (char *file, \
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unsigned int line, \
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const char *format, ...)
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#endif /* __GNUC__ < 2 || defined(VMS) */
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#else /* ! USE_STDARG */
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#define PRINTF_LIKE(FCN) void FCN ()
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#define PRINTF_WHERE_LIKE(FCN) void FCN ()
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#endif /* ! USE_STDARG */
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PRINTF_LIKE (as_bad);
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PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN;
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PRINTF_LIKE (as_tsktsk);
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PRINTF_LIKE (as_warn);
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PRINTF_WHERE_LIKE (as_bad_where);
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PRINTF_WHERE_LIKE (as_warn_where);
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void as_assert (const char *, int, const char *);
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void as_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
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void sprint_value (char *, addressT);
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||
int had_errors (void);
|
||
int had_warnings (void);
|
||
void as_warn_value_out_of_range (char *, offsetT, offsetT, offsetT, char *, unsigned);
|
||
void as_bad_value_out_of_range (char *, offsetT, offsetT, offsetT, char *, unsigned);
|
||
void print_version_id (void);
|
||
char * app_push (void);
|
||
char * atof_ieee (char *, int, LITTLENUM_TYPE *);
|
||
char * input_scrub_include_file (char *, char *);
|
||
void input_scrub_insert_line (const char *);
|
||
void input_scrub_insert_file (char *);
|
||
char * input_scrub_new_file (char *);
|
||
char * input_scrub_next_buffer (char **bufp);
|
||
int do_scrub_chars (int (*get) (char *, int), char *, int);
|
||
int gen_to_words (LITTLENUM_TYPE *, int, long);
|
||
int had_err (void);
|
||
int ignore_input (void);
|
||
void cond_finish_check (int);
|
||
void cond_exit_macro (int);
|
||
int seen_at_least_1_file (void);
|
||
void app_pop (char *);
|
||
void as_where (char **, unsigned int *);
|
||
void bump_line_counters (void);
|
||
void do_scrub_begin (int);
|
||
void input_scrub_begin (void);
|
||
void input_scrub_close (void);
|
||
void input_scrub_end (void);
|
||
int new_logical_line (char *, int);
|
||
int new_logical_line_flags (char *, int, int);
|
||
void subsegs_begin (void);
|
||
void subseg_change (segT, int);
|
||
segT subseg_new (const char *, subsegT);
|
||
segT subseg_force_new (const char *, subsegT);
|
||
void subseg_set (segT, subsegT);
|
||
int subseg_text_p (segT);
|
||
int seg_not_empty_p (segT);
|
||
void start_dependencies (char *);
|
||
void register_dependency (char *);
|
||
void print_dependencies (void);
|
||
segT subseg_get (const char *, int);
|
||
|
||
struct expressionS;
|
||
struct fix;
|
||
typedef struct symbol symbolS;
|
||
typedef struct frag fragS;
|
||
|
||
/* literal.c */
|
||
valueT add_to_literal_pool (symbolS *, valueT, segT, int);
|
||
|
||
int check_eh_frame (struct expressionS *, unsigned int *);
|
||
int eh_frame_estimate_size_before_relax (fragS *);
|
||
int eh_frame_relax_frag (fragS *);
|
||
void eh_frame_convert_frag (fragS *);
|
||
int generic_force_reloc (struct fix *);
|
||
|
||
#include "expr.h" /* Before targ-*.h */
|
||
|
||
/* This one starts the chain of target dependant headers. */
|
||
#include "targ-env.h"
|
||
|
||
#ifdef OBJ_MAYBE_ELF
|
||
#define IS_ELF (OUTPUT_FLAVOR == bfd_target_elf_flavour)
|
||
#else
|
||
#ifdef OBJ_ELF
|
||
#define IS_ELF 1
|
||
#else
|
||
#define IS_ELF 0
|
||
#endif
|
||
#endif
|
||
|
||
#include "write.h"
|
||
#include "frags.h"
|
||
#include "hash.h"
|
||
#include "read.h"
|
||
#include "symbols.h"
|
||
|
||
#include "tc.h"
|
||
#include "obj.h"
|
||
|
||
#ifdef USE_EMULATIONS
|
||
#include "emul.h"
|
||
#endif
|
||
#include "listing.h"
|
||
|
||
#ifdef TC_M68K
|
||
/* True if we are assembling in m68k MRI mode. */
|
||
COMMON int flag_m68k_mri;
|
||
#define DOLLAR_AMBIGU flag_m68k_mri
|
||
#else
|
||
#define flag_m68k_mri 0
|
||
#endif
|
||
|
||
#ifdef WARN_COMMENTS
|
||
COMMON int warn_comment;
|
||
COMMON unsigned int found_comment;
|
||
COMMON char * found_comment_file;
|
||
#endif
|
||
|
||
#ifndef DOLLAR_AMBIGU
|
||
#define DOLLAR_AMBIGU 0
|
||
#endif
|
||
|
||
#ifndef NUMBERS_WITH_SUFFIX
|
||
#define NUMBERS_WITH_SUFFIX 0
|
||
#endif
|
||
|
||
#ifndef LOCAL_LABELS_DOLLAR
|
||
#define LOCAL_LABELS_DOLLAR 0
|
||
#endif
|
||
|
||
#ifndef LOCAL_LABELS_FB
|
||
#define LOCAL_LABELS_FB 0
|
||
#endif
|
||
|
||
#ifndef LABELS_WITHOUT_COLONS
|
||
#define LABELS_WITHOUT_COLONS 0
|
||
#endif
|
||
|
||
#ifndef NO_PSEUDO_DOT
|
||
#define NO_PSEUDO_DOT 0
|
||
#endif
|
||
|
||
#ifndef TEXT_SECTION_NAME
|
||
#define TEXT_SECTION_NAME ".text"
|
||
#define DATA_SECTION_NAME ".data"
|
||
#define BSS_SECTION_NAME ".bss"
|
||
#endif
|
||
|
||
#ifndef OCTETS_PER_BYTE_POWER
|
||
#define OCTETS_PER_BYTE_POWER 0
|
||
#endif
|
||
#ifndef OCTETS_PER_BYTE
|
||
#define OCTETS_PER_BYTE (1<<OCTETS_PER_BYTE_POWER)
|
||
#endif
|
||
#if OCTETS_PER_BYTE != (1<<OCTETS_PER_BYTE_POWER)
|
||
#error "Octets per byte conflicts with its power-of-two definition!"
|
||
#endif
|
||
|
||
#endif /* GAS */
|