binutils-gdb/gas/output-file.c

/* output-file.c -  Deal with the output file
   Copyright (C) 1987-2017 Free Software Foundation, Inc.

   This file is part of GAS, the GNU Assembler.

   GAS 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.

   GAS 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.

   You should have received a copy of the GNU General Public License
   along with GAS; see the file COPYING.  If not, write to
   the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
   02110-1301, USA.  */

#include "as.h"
#include "output-file.h"

#ifndef TARGET_MACH
#define TARGET_MACH 0
#endif

bfd *stdoutput;

void
output_file_create (const char *name)
{
  if (name[0] == '-' && name[1] == '\0')
    as_fatal (_("can't open a bfd on stdout %s"), name);

  else if (!(stdoutput = bfd_openw (name, TARGET_FORMAT)))
    {
      bfd_error_type err = bfd_get_error ();

      if (err == bfd_error_invalid_target)
	as_fatal (_("selected target format '%s' unknown"), TARGET_FORMAT);
      else
	as_fatal (_("can't create %s: %s"), name, bfd_errmsg (err));
    }

  bfd_set_format (stdoutput, bfd_object);
  bfd_set_arch_mach (stdoutput, TARGET_ARCH, TARGET_MACH);
  if (flag_traditional_format)
    stdoutput->flags |= BFD_TRADITIONAL_FORMAT;
}

void
output_file_close (const char *filename)
{
  bfd_boolean res;

  if (stdoutput == NULL)
    return;

  /* Close the bfd.  */
  if (had_errors ())
    res = bfd_cache_close_all ();
  else
    res = bfd_close (stdoutput);

  /* Prevent an infinite loop - if the close failed we will call as_fatal
     which will call xexit() which may call this function again...  */
  stdoutput = NULL;

  if (! res)
    as_fatal (_("can't close %s: %s"), filename,
	      bfd_errmsg (bfd_get_error ()));
}