view gcc/config/vms/vms-psxcrt0-64.c @ 55:77e2b8dfacca gcc-4.4.5

update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
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/* VMS 64bit crt0 returning Unix style condition codes .
   Copyright (C) 2001, 2009 Free Software Foundation, Inc.
   Contributed by Douglas B. Rupp (rupp@gnat.com).

   This file is part of GCC.

   GCC 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 3, or (at your option)
   any later version.

   GCC 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.

   Under Section 7 of GPL version 3, you are granted additional
   permissions described in the GCC Runtime Library Exception, version
   3.1, as published by the Free Software Foundation.

   You should have received a copy of the GNU General Public License and
   a copy of the GCC Runtime Library Exception along with this program;
   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
   <http://www.gnu.org/licenses/>.  */

#if !defined(__DECC)
You Lose! This file can only be compiled with DEC C.
#else

/* This file can only be compiled with DEC C, due to the call to
   lib$establish and the pragmas pointer_size.  */

#pragma __pointer_size short

#include <stdlib.h>
#include <string.h>
#include <ssdef.h>
#include <stsdef.h>
#include <errnodef.h>

extern void decc$main ();
extern int main ();

static int
handler (sigargs, mechargs)
     void *sigargs;
     void *mechargs;
{
  return SS$_RESIGNAL;
}

int
__main (arg1, arg2, arg3, image_file_desc, arg5, arg6)
     void *arg1, *arg2, *arg3;
     void *image_file_desc;
     void *arg5, *arg6;
{
  int argc;
  char **argv;
  char **envp;

#pragma __pointer_size long

  int i;
  char **long_argv;
  char **long_envp;
  int status;

#pragma __pointer_size short

  lib$establish (handler);
  decc$main (arg1, arg2, arg3, image_file_desc,
	     arg5, arg6, &argc, &argv, &envp);

#pragma __pointer_size long

  /* Reallocate argv with 64 bit pointers.  */
  long_argv = (char **) _malloc32 (sizeof (char *) * (argc + 1));

  for (i = 0; i < argc; i++)
    long_argv[i] = (char *) _strdup32 (argv[i]);

  long_argv[argc] = (char *) 0;

  for (i = 0; envp[i]; i++);
  long_envp = (char **) _malloc32 (sizeof (char *) * (i + 1));

  for (i = 0; envp[i]; i++)
    long_envp[i] = (char *) _strdup32 (envp[i]);

  long_envp[i] = (char *) 0;

#pragma __pointer_size short

  status = main (argc, long_argv, long_envp);

  /* Map into a range of 0 - 255.  */
  status = status & 255;

  if (status > 0)
    {
      int save_status = status;

      status = C$_EXIT1 + ((status - 1) << STS$V_MSG_NO);

      /* An exit failure status requires a "severe" error.  All status values
	 are defined in errno with a successful (1) severity but can be
	 changed to an error (2) severity by adding 1.  In addition for
	 compatibility with UNIX exit() routines we inhibit a run-time error
	 message from being generated on exit(1).  */

      if (save_status == 1)
	{
	  status++;
	  status |= STS$M_INHIB_MSG;
	}
    }

  if (status == 0)
    status = SS$_NORMAL;

  return status;
}
#endif