gas/output-file.c

   1 /* output-file.c -  Deal with the output file
   2    Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1996, 1998, 1999, 2001,
   3    2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
   4
   5    This file is part of GAS, the GNU Assembler.
   6
   7    GAS 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 3, or (at your option)
  10    any later version.
  11
  12    GAS is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GAS; see the file COPYING.  If not, write to
  19    the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  20    02110-1301, USA.  */
  21
  22 #include "as.h"
  23 #include "output-file.h"
  24
  25 #ifndef TARGET_MACH
  26 #define TARGET_MACH 0
  27 #endif
  28
  29 bfd *stdoutput;
  30
  31 void
  32 output_file_create (char *name)
  33 {
  34   if (name[0] == '-' && name[1] == '\0')
  35     as_fatal (_("can't open a bfd on stdout %s"), name);
  36
  37   else if (!(stdoutput = bfd_openw (name, TARGET_FORMAT)))
  38     {
  39       bfd_error_type err = bfd_get_error ();
  40
  41       if (err == bfd_error_invalid_target)
  42         as_fatal (_("selected target format '%s' unknown"), TARGET_FORMAT);
  43       else
  44         as_fatal (_("can't create %s: %s"), name, bfd_errmsg (err));
  45     }
  46
  47   bfd_set_format (stdoutput, bfd_object);
  48   bfd_set_arch_mach (stdoutput, TARGET_ARCH, TARGET_MACH);
  49   if (flag_traditional_format)
  50     stdoutput->flags |= BFD_TRADITIONAL_FORMAT;
  51 }
  52
  53 void
  54 output_file_close (char *filename)
  55 {
  56   bfd_boolean res;
  57
  58   if (stdoutput == NULL)
  59     return;
  60
  61   /* Close the bfd.  */
  62   if (had_errors ())
  63     res = bfd_cache_close_all ();
  64   else
  65     res = bfd_close (stdoutput);
  66
  67   /* Prevent an infinite loop - if the close failed we will call as_fatal
  68      which will call xexit() which may call this function again...  */
  69   stdoutput = NULL;
  70
  71   if (! res)
  72     as_fatal (_("can't close %s: %s"), filename,
  73               bfd_errmsg (bfd_get_error ()));
  74 }