gcc/config/alpha/vms-crt0-64.c

   1 /* VMS 64bit crt0 returning VMS style condition codes .
   2    Copyright (C) 2001 Free Software Foundation, Inc.
   3    Contributed by Douglas B. Rupp (rupp@gnat.com).
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 In addition to the permissions in the GNU General Public License, the
  13 Free Software Foundation gives you unlimited permission to link the
  14 compiled version of this file into combinations with other programs,
  15 and to distribute those combinations without any restriction coming
  16 from the use of this file.  (The General Public License restrictions
  17 do apply in other respects; for example, they cover modification of
  18 the file, and distribution when not linked into a combine
  19 executable.)
  20
  21 GCC is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 You should have received a copy of the GNU General Public License
  27 along with GCC; see the file COPYING.  If not, write to
  28 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  29 Boston, MA 02110-1301, USA.  */
  30
  31 #if !defined(__DECC)
  32 You Lose! This file can only be compiled with DEC C.
  33 #else
  34
  35 /* This file can only be compiled with DEC C, due to the call to
  36    lib$establish and the pragmas pointer_size.  */
  37
  38 #pragma __pointer_size short
  39
  40 #include <stdlib.h>
  41 #include <string.h>
  42 #include <ssdef.h>
  43
  44 extern void decc$main ();
  45
  46 extern int main ();
  47
  48 static int
  49 handler (sigargs, mechargs)
  50      void *sigargs;
  51      void *mechargs;
  52 {
  53   return SS$_RESIGNAL;
  54 }
  55
  56 int
  57 __main (arg1, arg2, arg3, image_file_desc, arg5, arg6)
  58      void *arg1, *arg2, *arg3;
  59      void *image_file_desc;
  60      void *arg5, *arg6;
  61 {
  62   int argc;
  63   char **argv;
  64   char **envp;
  65
  66 #pragma __pointer_size long
  67
  68   int i;
  69   char **long_argv;
  70   char **long_envp;
  71
  72 #pragma __pointer_size short
  73
  74   lib$establish (handler);
  75   decc$main (arg1, arg2, arg3, image_file_desc,
  76              arg5, arg6, &argc, &argv, &envp);
  77
  78 #pragma __pointer_size long
  79
  80   /* Reallocate argv with 64 bit pointers.  */
  81   long_argv = (char **) malloc (sizeof (char *) * (argc + 1));
  82
  83   for (i = 0; i < argc; i++)
  84     long_argv[i] = strdup (argv[i]);
  85
  86   long_argv[argc] = (char *) 0;
  87
  88   long_envp = (char **) malloc (sizeof (char *) * 5);
  89
  90   for (i = 0; envp[i]; i++)
  91     long_envp[i] = strdup (envp[i]);
  92
  93   long_envp[i] = (char *) 0;
  94
  95 #pragma __pointer_size short
  96
  97   return main (argc, long_argv, long_envp);
  98 }
  99 #endif