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/* VMS crt0 returning Unix style condition codes.
Copyright (C) 2001, 2009, 2010 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/>. */
#include <stdlib.h>
/* Lots of cheat to handle 32bits/64bits pointer conversions.
We use 'long long' for 64 bits pointers and 'int' for 32 bits pointers. */
extern void decc$main (void *arg1, void *arg2, void *arg3,
void *image_file_desc, void *arg5, void *arg6,
int *, int *, int *);
extern int main (int, char **, char **);
extern int _malloc32 (int);
#ifdef __ia64__
#define MAIN_ASM_NAME asm ("ELF$TFRADR")
#else
#define MAIN_ASM_NAME
#endif
int __main (void *arg1, void *arg2, void *arg3,
void *image_file_desc, void *arg5, void *arg6) MAIN_ASM_NAME;
/* From errnodef.h, but we need to emulate the globalval. */
extern int C$_EXIT1;
/* From stsdef.h */
#define STS$V_MSG_NO 0x03
#define STS$M_INHIB_MSG 0x10000000
/* From ssdef.h */
#define SS$_NORMAL 1
int
__main (void *arg1, void *arg2, void *arg3,
void *image_file_desc, void *arg5, void *arg6)
{
int argc;
int argv;
int envp;
int status;
int i;
long long *long_argv;
long long *long_envp;
/* The argv and envp arrays are 32 bits pointers to 32 bits pointers. */
decc$main (arg1, arg2, arg3, image_file_desc,
arg5, arg6, &argc, &argv, &envp);
if (sizeof (void *) == 8)
{
/* Reallocate argv and envp with 64 bit pointers. */
long_argv = (long long *)
(long long) _malloc32 (sizeof (long long) * (argc + 1));
for (i = 0; i < argc; i++)
long_argv[i] = ((int *) (long long) argv)[i];
long_argv[argc] = 0;
for (i = 0; ((int *) (long long) envp)[i]; i++)
;
long_envp = (long long *)
(long long) _malloc32 (sizeof (long long) * (i + 1));
for (i = 0; ((int *) (long long) envp)[i]; i++)
long_envp[i] = ((int *) (long long) envp)[i];
long_envp[i] = 0;
}
else
{
long_argv = (long long *) argv;
long_envp = (long long *) envp;
}
status = main (argc, (char **)long_argv, (char **)long_envp);
#ifdef CRT0_POSIX_EXIT
/* Map into a range of 0 - 255. */
status = status & 255;
if (status > 0)
{
int save_status = status;
status = (long) &C$_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;
}
}
else
status = SS$_NORMAL;
#endif /* CRT0_POSIX_EXIT */
return status;
}
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