/* Definitions relating to the special __do_global_init function used   for getting g++ file-scope static objects constructed.  This file   will get included either by libgcc2.c (for systems that don't support   a .init section) or by crtstuff.c (for those that do).   Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.   Contributed by Ron Guilmette (rfg@segfault.us.com)This file is part of GNU CC.GNU CC is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe Free Software Foundation; either version 2, or (at your option)any later version.GNU CC is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with GNU CC; see the file COPYING.  If not, write tothe Free Software Foundation, 59 Temple Place - Suite 330,Boston, MA 02111-1307, USA.  *//*	This file contains definitions and declarations of things	relating to the normal start-up-time invocation of C++	file-scope static object constructors.  These declarations	and definitions are used by *both* libgcc2.c and by crtstuff.c.	Note that this file should only be compiled with GCC.*/#ifdef NEED_ATEXIT#ifndef HAVE_ATEXIT#define HAVE_ATEXIT	1	/* Take it from libgcc2.c */#endif#endif#ifdef HAVE_ATEXIT#if defined (WINNT) || defined (NEED_ATEXIT)extern int atexit (void (*) (void));#elseextern void atexit (void (*) (void));#endif#define ON_EXIT(FUNC,ARG) atexit ((FUNC))#else#ifdef sunextern int on_exit (void *, void *);	/* The man page says it returns int. */#define ON_EXIT(FUNC,ARG) on_exit ((FUNC), (ARG))#endif#endif/*  Declare a pointer to void function type.  */typedef void (*func_ptr) (void);/* Declare the set of symbols use as begin and end markers for the lists   of global object constructors and global object destructors.  */extern func_ptr __CTOR_LIST__[];extern func_ptr __DTOR_LIST__[];/* Declare the routine which need to get invoked at program exit time.  */extern void __do_global_dtors ();/* Define a macro with the code which needs to be executed at program   start-up time.  This macro is used in two places in crtstuff.c (for   systems which support a .init section) and in one place in libgcc2.c   (for those system which do *not* support a .init section).  For all   three places where this code might appear, it must be identical, so   we define it once here as a macro to avoid various instances getting   out-of-sync with one another.  *//* Some systems place the number of pointers   in the first word of the table.   On other systems, that word is -1.   In all cases, the table is null-terminated.   If the length is not recorded, count up to the null.  *//* Some systems use a different strategy for finding the ctors.   For example, svr3.  */#ifndef DO_GLOBAL_CTORS_BODY#define DO_GLOBAL_CTORS_BODY						\do {									\  unsigned long nptrs = (unsigned long) __CTOR_LIST__[0];		\  unsigned i;								\  if (nptrs == -1)							\    for (nptrs = 0; __CTOR_LIST__[nptrs + 1] != 0; nptrs++);		\  for (i = nptrs; i >= 1; i--)						\    __CTOR_LIST__[i] ();						\} while (0) #endif