binutils/binemul.c

   1 /* Binutils emulation layer.
   2    Copyright (C) 2002-2020 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, const char *target,
  43                 bfd_boolean verbose, bfd_boolean flatten)
  44 {
  45   if (bin_dummy_emulation.ar_append)
  46     return bin_dummy_emulation.ar_append (after_bfd, file_name, target,
  47                                           verbose, flatten);
  48
  49   return FALSE;
  50 }
  51
  52 static bfd_boolean
  53 any_ok (bfd *new_bfd ATTRIBUTE_UNUSED)
  54 {
  55   return TRUE;
  56 }
  57
  58 bfd_boolean
  59 do_ar_emul_append (bfd **after_bfd, bfd *new_bfd,
  60                    bfd_boolean verbose, bfd_boolean flatten,
  61                    bfd_boolean (*check) (bfd *))
  62 {
  63   /* When flattening, add the members of an archive instead of the
  64      archive itself.  */
  65   if (flatten && bfd_check_format (new_bfd, bfd_archive))
  66     {
  67       bfd *elt;
  68       bfd_boolean added = FALSE;
  69
  70       for (elt = bfd_openr_next_archived_file (new_bfd, NULL);
  71            elt;
  72            elt = bfd_openr_next_archived_file (new_bfd, elt))
  73         {
  74           if (do_ar_emul_append (after_bfd, elt, verbose, TRUE, check))
  75             {
  76               added = TRUE;
  77               after_bfd = &((*after_bfd)->archive_next);
  78             }
  79         }
  80
  81       return added;
  82     }
  83
  84   if (!check (new_bfd))
  85     return FALSE;
  86
  87   AR_EMUL_APPEND_PRINT_VERBOSE (verbose, bfd_get_filename (new_bfd));
  88
  89   new_bfd->archive_next = *after_bfd;
  90   *after_bfd = new_bfd;
  91
  92   return TRUE;
  93 }
  94
  95 bfd_boolean
  96 ar_emul_default_append (bfd **after_bfd, char *file_name,
  97                         const char *target, bfd_boolean verbose,
  98                         bfd_boolean flatten)
  99 {
 100   bfd *new_bfd;
 101
 102   new_bfd = bfd_openr (file_name, target);
 103   AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
 104   return do_ar_emul_append (after_bfd, new_bfd, verbose, flatten, any_ok);
 105 }
 106
 107 bfd_boolean
 108 ar_emul_replace (bfd **after_bfd, char *file_name, const char *target,
 109                  bfd_boolean verbose)
 110 {
 111   if (bin_dummy_emulation.ar_replace)
 112     return bin_dummy_emulation.ar_replace (after_bfd, file_name,
 113                                            target, verbose);
 114
 115   return FALSE;
 116 }
 117
 118 bfd_boolean
 119 ar_emul_default_replace (bfd **after_bfd, char *file_name,
 120                          const char *target, bfd_boolean verbose)
 121 {
 122   bfd *new_bfd;
 123
 124   new_bfd = bfd_openr (file_name, target);
 125   AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
 126
 127   AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
 128
 129   new_bfd->archive_next = *after_bfd;
 130   *after_bfd = new_bfd;
 131
 132   return TRUE;
 133 }
 134
 135 bfd_boolean
 136 ar_emul_parse_arg (char *arg)
 137 {
 138   if (bin_dummy_emulation.ar_parse_arg)
 139     return bin_dummy_emulation.ar_parse_arg (arg);
 140
 141   return FALSE;
 142 }
 143
 144 bfd_boolean
 145 ar_emul_default_parse_arg (char *arg ATTRIBUTE_UNUSED)
 146 {
 147   return FALSE;
 148 }