/* output-file.c -  Deal with the output file

   Copyright (C) 1987-2023 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 "subsegs.h"

#include "sb.h"

#include "macro.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;

}

static void

stash_frchain_obs (asection *sec)

{

  segment_info_type *info = seg_info (sec);

  if (info)

    {

      struct frchain *frchp;

      for (frchp = info->frchainP; frchp; frchp = frchp->frch_next)

  obstack_ptr_grow (&notes, &frchp->frch_obstack);

      info->frchainP = NULL;

    }

}

void

output_file_close (void)

{

  bool res;

  bfd *obfd = stdoutput;

  struct obstack **obs;

  asection *sec;

  const char *filename;

  if (obfd == NULL)

    return;

  /* 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;

  /* We can't free obstacks attached to the output bfd sections before

     closing the output bfd since data in those obstacks may need to

     be accessed, but we can't access anything in the output bfd after

     it is closed..  */

  for (sec = obfd->sections; sec; sec = sec->next)

    stash_frchain_obs (sec);

  stash_frchain_obs (reg_section);

  stash_frchain_obs (expr_section);

  stash_frchain_obs (bfd_abs_section_ptr);

  stash_frchain_obs (bfd_und_section_ptr);

  obstack_ptr_grow (&notes, NULL);

  obs = obstack_finish (&notes);

  /* Close the bfd.  */

  if (!flag_always_generate_output && had_errors ())

    res = bfd_close_all_done (obfd);

  else

    res = bfd_close (obfd);

  now_seg = NULL;

  now_subseg = 0;

  filename = out_file_name;

  out_file_name = NULL;

  if (!keep_it && filename)

    unlink_if_ordinary (filename);

#ifdef md_end

  md_end ();

#endif

#ifdef obj_end

  obj_end ();

#endif

  macro_end ();

  expr_end ();

  read_end ();

  symbol_end ();

  subsegs_end (obs);

  if (!res)

    as_fatal ("%s: %s", filename, bfd_errmsg (bfd_get_error ()));

}