binutils/binemul.c

   1 /* Binutils emulation layer.
   2    Copyright (C) 2002 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 (fp)
  27      FILE *fp;
  28 {
  29   if (bin_dummy_emulation.ar_usage)
  30     bin_dummy_emulation.ar_usage (fp);
  31 }
  32
  33 void
  34 ar_emul_default_usage (fp)
  35      FILE *fp;
  36 {
  37   AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
  38   /* xgettext:c-format */
  39   fprintf (fp, _("  No emulation specific options\n"));
  40 }
  41
  42 boolean
  43 ar_emul_append (after_bfd, file_name, verbose)
  44      bfd **after_bfd;
  45      char *file_name;
  46      boolean verbose;
  47 {
  48   if (bin_dummy_emulation.ar_append)
  49     return bin_dummy_emulation.ar_append (after_bfd, file_name, verbose);
  50
  51   return false;
  52 }
  53
  54 boolean
  55 ar_emul_default_append (after_bfd, file_name, verbose)
  56      bfd **after_bfd;
  57      char *file_name;
  58      boolean verbose;
  59 {
  60   bfd *temp;
  61
  62   temp = *after_bfd;
  63   *after_bfd = bfd_openr (file_name, NULL);
  64
  65   AR_EMUL_ELEMENT_CHECK (*after_bfd, file_name);
  66   AR_EMUL_APPEND_PRINT_VERBOSE (verbose, file_name);
  67
  68   (*after_bfd)->next = temp;
  69
  70   return true;
  71 }
  72
  73 boolean
  74 ar_emul_replace (after_bfd, file_name, verbose)
  75      bfd **after_bfd;
  76      char *file_name;
  77      boolean verbose;
  78 {
  79   if (bin_dummy_emulation.ar_replace)
  80     return bin_dummy_emulation.ar_replace (after_bfd, file_name, verbose);
  81
  82   return false;
  83 }
  84
  85 boolean
  86 ar_emul_default_replace (after_bfd, file_name, verbose)
  87      bfd **after_bfd;
  88      char *file_name;
  89      boolean verbose;
  90 {
  91   bfd *temp;
  92
  93   temp = *after_bfd;
  94   *after_bfd = bfd_openr (file_name, NULL);
  95
  96   AR_EMUL_ELEMENT_CHECK (*after_bfd, file_name);
  97   AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
  98
  99   (*after_bfd)->next = temp;
 100
 101   return true;
 102 }
 103
 104 boolean
 105 ar_emul_create (abfd_out, archive_file_name, file_name)
 106      bfd **abfd_out;
 107      char *archive_file_name;
 108      char *file_name;
 109 {
 110   if (bin_dummy_emulation.ar_create)
 111     return bin_dummy_emulation.ar_create (abfd_out, archive_file_name,
 112                                           file_name);
 113
 114   return false;
 115 }
 116
 117 boolean
 118 ar_emul_default_create (abfd_out, archive_file_name, file_name)
 119      bfd **abfd_out;
 120      char *archive_file_name;
 121      char *file_name;
 122 {
 123   char *target = NULL;
 124
 125   /* Try to figure out the target to use for the archive from the
 126      first object on the list.  */
 127   if (file_name != NULL)
 128     {
 129       bfd *obj;
 130
 131       obj = bfd_openr (file_name, NULL);
 132       if (obj != NULL)
 133         {
 134           if (bfd_check_format (obj, bfd_object))
 135             target = bfd_get_target (obj);
 136           (void) bfd_close (obj);
 137         }
 138     }
 139
 140   /* Create an empty archive.  */
 141   *abfd_out = bfd_openw (archive_file_name, target);
 142   if (*abfd_out == NULL
 143       || ! bfd_set_format (*abfd_out, bfd_archive)
 144       || ! bfd_close (*abfd_out))
 145     bfd_fatal (archive_file_name);
 146
 147   return true;
 148 }
 149
 150 boolean
 151 ar_emul_parse_arg (arg)
 152      char *arg;
 153 {
 154   if (bin_dummy_emulation.ar_parse_arg)
 155     return bin_dummy_emulation.ar_parse_arg (arg);
 156
 157   return false;
 158 }
 159
 160 boolean
 161 ar_emul_default_parse_arg (arg)
 162      char *arg ATTRIBUTE_UNUSED;
 163 {
 164   return false;
 165 }