binutils/binemul.c

   1 /* Binutils emulation layer.
   2    Copyright 2002, 2003 Free Software Foundation, Inc.
   3    Written by Tom Rix, Redhat.
   4
   5    This file is part of GNU Binutils.
   6
   7    This program 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 of the License, or
  10    (at your option) any later version.
  11
  12    This program 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 this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #include "binemul.h"
  22
  23 extern bin_emulation_xfer_type bin_dummy_emulation;
  24
  25 void
  26 ar_emul_usage (FILE *fp)
  27 {
  28   if (bin_dummy_emulation.ar_usage)
  29     bin_dummy_emulation.ar_usage (fp);
  30 }
  31
  32 void
  33 ar_emul_default_usage (FILE *fp)
  34 {
  35   AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
  36   /* xgettext:c-format */
  37   fprintf (fp, _("  No emulation specific options\n"));
  38 }
  39
  40 bfd_boolean
  41 ar_emul_append (bfd **after_bfd, char *file_name, bfd_boolean verbose)
  42 {
  43   if (bin_dummy_emulation.ar_append)
  44     return bin_dummy_emulation.ar_append (after_bfd, file_name, verbose);
  45
  46   return FALSE;
  47 }
  48
  49 bfd_boolean
  50 ar_emul_default_append (bfd **after_bfd, char *file_name,
  51                         bfd_boolean verbose)
  52 {
  53   bfd *temp;
  54
  55   temp = *after_bfd;
  56   *after_bfd = bfd_openr (file_name, NULL);
  57
  58   AR_EMUL_ELEMENT_CHECK (*after_bfd, file_name);
  59   AR_EMUL_APPEND_PRINT_VERBOSE (verbose, file_name);
  60
  61   (*after_bfd)->next = temp;
  62
  63   return TRUE;
  64 }
  65
  66 bfd_boolean
  67 ar_emul_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
  68 {
  69   if (bin_dummy_emulation.ar_replace)
  70     return bin_dummy_emulation.ar_replace (after_bfd, file_name, verbose);
  71
  72   return FALSE;
  73 }
  74
  75 bfd_boolean
  76 ar_emul_default_replace (bfd **after_bfd, char *file_name,
  77                          bfd_boolean verbose)
  78 {
  79   bfd *temp;
  80
  81   temp = *after_bfd;
  82   *after_bfd = bfd_openr (file_name, NULL);
  83
  84   AR_EMUL_ELEMENT_CHECK (*after_bfd, file_name);
  85   AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
  86
  87   (*after_bfd)->next = temp;
  88
  89   return TRUE;
  90 }
  91
  92 bfd_boolean
  93 ar_emul_create (bfd **abfd_out, char *archive_file_name, char *file_name)
  94 {
  95   if (bin_dummy_emulation.ar_create)
  96     return bin_dummy_emulation.ar_create (abfd_out, archive_file_name,
  97                                           file_name);
  98
  99   return FALSE;
 100 }
 101
 102 bfd_boolean
 103 ar_emul_default_create (bfd **abfd_out, char *archive_file_name,
 104                         char *file_name)
 105 {
 106   char *target = NULL;
 107
 108   /* Try to figure out the target to use for the archive from the
 109      first object on the list.  */
 110   if (file_name != NULL)
 111     {
 112       bfd *obj;
 113
 114       obj = bfd_openr (file_name, NULL);
 115       if (obj != NULL)
 116         {
 117           if (bfd_check_format (obj, bfd_object))
 118             target = bfd_get_target (obj);
 119           (void) bfd_close (obj);
 120         }
 121     }
 122
 123   /* Create an empty archive.  */
 124   *abfd_out = bfd_openw (archive_file_name, target);
 125   if (*abfd_out == NULL
 126       || ! bfd_set_format (*abfd_out, bfd_archive)
 127       || ! bfd_close (*abfd_out))
 128     bfd_fatal (archive_file_name);
 129
 130   return TRUE;
 131 }
 132
 133 bfd_boolean
 134 ar_emul_parse_arg (char *arg)
 135 {
 136   if (bin_dummy_emulation.ar_parse_arg)
 137     return bin_dummy_emulation.ar_parse_arg (arg);
 138
 139   return FALSE;
 140 }
 141
 142 bfd_boolean
 143 ar_emul_default_parse_arg (char *arg ATTRIBUTE_UNUSED)
 144 {
 145   return FALSE;
 146 }