binutils/binemul.c

   1 /* Binutils emulation layer.
   2    Copyright 2002, 2003, 2005, 2007, 2008, 2010
   3    Free Software Foundation, Inc.
   4    Written by Tom Rix, Red Hat Inc.
   5
   6    This file is part of GNU Binutils.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21    MA 02110-1301, USA.  */
  22
  23 #include "binemul.h"
  24
  25 extern bin_emulation_xfer_type bin_dummy_emulation;
  26
  27 void
  28 ar_emul_usage (FILE *fp)
  29 {
  30   if (bin_dummy_emulation.ar_usage)
  31     bin_dummy_emulation.ar_usage (fp);
  32 }
  33
  34 void
  35 ar_emul_default_usage (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 bfd_boolean
  43 ar_emul_append (bfd **after_bfd, char *file_name, const char *target,
  44                 bfd_boolean verbose, bfd_boolean flatten)
  45 {
  46   if (bin_dummy_emulation.ar_append)
  47     return bin_dummy_emulation.ar_append (after_bfd, file_name, target,
  48                                           verbose, flatten);
  49
  50   return FALSE;
  51 }
  52
  53 static bfd_boolean
  54 any_ok (bfd *new_bfd ATTRIBUTE_UNUSED)
  55 {
  56   return TRUE;
  57 }
  58
  59 bfd_boolean
  60 do_ar_emul_append (bfd **after_bfd, bfd *new_bfd,
  61                    bfd_boolean verbose, bfd_boolean flatten,
  62                    bfd_boolean (*check) (bfd *))
  63 {
  64   /* When flattening, add the members of an archive instead of the
  65      archive itself.  */
  66   if (flatten && bfd_check_format (new_bfd, bfd_archive))
  67     {
  68       bfd *elt;
  69       bfd_boolean added = FALSE;
  70
  71       for (elt = bfd_openr_next_archived_file (new_bfd, NULL);
  72            elt;
  73            elt = bfd_openr_next_archived_file (new_bfd, elt))
  74         {
  75           if (do_ar_emul_append (after_bfd, elt, verbose, TRUE, check))
  76             {
  77               added = TRUE;
  78               after_bfd = &((*after_bfd)->archive_next);
  79             }
  80         }
  81
  82       return added;
  83     }
  84
  85   if (!check (new_bfd))
  86     return FALSE;
  87
  88   AR_EMUL_APPEND_PRINT_VERBOSE (verbose, new_bfd->filename);
  89
  90   new_bfd->archive_next = *after_bfd;
  91   *after_bfd = new_bfd;
  92
  93   return TRUE;
  94 }
  95
  96 bfd_boolean
  97 ar_emul_default_append (bfd **after_bfd, char *file_name,
  98                         const char *target, bfd_boolean verbose,
  99                         bfd_boolean flatten)
 100 {
 101   bfd *new_bfd;
 102
 103   new_bfd = bfd_openr (file_name, target);
 104   AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
 105   return do_ar_emul_append (after_bfd, new_bfd, verbose, flatten, any_ok);
 106 }
 107
 108 bfd_boolean
 109 ar_emul_replace (bfd **after_bfd, char *file_name, const char *target,
 110                  bfd_boolean verbose)
 111 {
 112   if (bin_dummy_emulation.ar_replace)
 113     return bin_dummy_emulation.ar_replace (after_bfd, file_name,
 114                                            target, verbose);
 115
 116   return FALSE;
 117 }
 118
 119 bfd_boolean
 120 ar_emul_default_replace (bfd **after_bfd, char *file_name,
 121                          const char *target, bfd_boolean verbose)
 122 {
 123   bfd *new_bfd;
 124
 125   new_bfd = bfd_openr (file_name, target);
 126   AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
 127
 128   AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
 129
 130   new_bfd->archive_next = *after_bfd;
 131   *after_bfd = new_bfd;
 132
 133   return TRUE;
 134 }
 135
 136 bfd_boolean
 137 ar_emul_parse_arg (char *arg)
 138 {
 139   if (bin_dummy_emulation.ar_parse_arg)
 140     return bin_dummy_emulation.ar_parse_arg (arg);
 141
 142   return FALSE;
 143 }
 144
 145 bfd_boolean
 146 ar_emul_default_parse_arg (char *arg ATTRIBUTE_UNUSED)
 147 {
 148   return FALSE;
 149 }