binutils/binemul.c

   1 /* Binutils emulation layer.
   2    Copyright 2002, 2003, 2007, 2008 Free Software Foundation, Inc.
   3    Written by Tom Rix, Red Hat Inc.
   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 3 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., 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22 #include "binemul.h"
  23
  24 extern bin_emulation_xfer_type bin_dummy_emulation;
  25
  26 void
  27 ar_emul_usage (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 (FILE *fp)
  35 {
  36   AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
  37   /* xgettext:c-format */
  38   fprintf (fp, _("  No emulation specific options\n"));
  39 }
  40
  41 bfd_boolean
  42 ar_emul_append (bfd **after_bfd, char *file_name, bfd_boolean verbose,
  43                 bfd_boolean flatten)
  44 {
  45   if (bin_dummy_emulation.ar_append)
  46     return bin_dummy_emulation.ar_append (after_bfd, file_name, verbose,
  47                                           flatten);
  48
  49   return FALSE;
  50 }
  51
  52 static bfd_boolean
  53 do_ar_emul_default_append (bfd **after_bfd, bfd *new_bfd,
  54                         bfd_boolean verbose, bfd_boolean flatten)
  55   {
  56   /* When flattening, add the members of an archive instead of the
  57      archive itself.  */
  58   if (flatten && bfd_check_format (new_bfd, bfd_archive))
  59     {
  60       bfd *elt;
  61       bfd_boolean added = FALSE;
  62
  63       for (elt = bfd_openr_next_archived_file (new_bfd, NULL);
  64            elt;
  65            elt = bfd_openr_next_archived_file (new_bfd, elt))
  66         {
  67           if (do_ar_emul_default_append (after_bfd, elt, verbose, TRUE))
  68             {
  69               added = TRUE;
  70               after_bfd = &((*after_bfd)->archive_next);
  71             }
  72         }
  73
  74       return added;
  75     }
  76
  77   AR_EMUL_APPEND_PRINT_VERBOSE (verbose, new_bfd->filename);
  78
  79   new_bfd->archive_next = *after_bfd;
  80   *after_bfd = new_bfd;
  81
  82   return TRUE;
  83 }
  84
  85 bfd_boolean
  86 ar_emul_default_append (bfd **after_bfd, char *file_name,
  87                         bfd_boolean verbose, bfd_boolean flatten)
  88 {
  89   bfd *new_bfd;
  90
  91   new_bfd = bfd_openr (file_name, NULL);
  92   AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
  93   return do_ar_emul_default_append (after_bfd, new_bfd, verbose, flatten);
  94 }
  95
  96 bfd_boolean
  97 ar_emul_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
  98 {
  99   if (bin_dummy_emulation.ar_replace)
 100     return bin_dummy_emulation.ar_replace (after_bfd, file_name, verbose);
 101
 102   return FALSE;
 103 }
 104
 105 bfd_boolean
 106 ar_emul_default_replace (bfd **after_bfd, char *file_name,
 107                          bfd_boolean verbose)
 108 {
 109   bfd *temp;
 110
 111   temp = *after_bfd;
 112   *after_bfd = bfd_openr (file_name, NULL);
 113
 114   AR_EMUL_ELEMENT_CHECK (*after_bfd, file_name);
 115   AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
 116
 117   (*after_bfd)->archive_next = temp;
 118
 119   return TRUE;
 120 }
 121
 122 bfd_boolean
 123 ar_emul_parse_arg (char *arg)
 124 {
 125   if (bin_dummy_emulation.ar_parse_arg)
 126     return bin_dummy_emulation.ar_parse_arg (arg);
 127
 128   return FALSE;
 129 }
 130
 131 bfd_boolean
 132 ar_emul_default_parse_arg (char *arg ATTRIBUTE_UNUSED)
 133 {
 134   return FALSE;
 135 }