binutils/emul_aix.c

   1 /* Binutils emulation layer.
   2    Copyright 2002, 2003, 2005, 2006, 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 #include "bfdlink.h"
  25 #include "coff/internal.h"
  26 #include "coff/xcoff.h"
  27 #include "libcoff.h"
  28 #include "libxcoff.h"
  29
  30 /* Default to <bigaf>.  */
  31 /* FIXME: write only variable.  */
  32 static bfd_boolean big_archive = TRUE;
  33
  34 /* Whether to include 32 bit objects.  */
  35 static bfd_boolean X32 = TRUE;
  36
  37 /* Whether to include 64 bit objects.  */
  38 static bfd_boolean X64 = FALSE;
  39
  40 static void
  41 ar_emul_aix_usage (FILE *fp)
  42 {
  43   AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
  44   /* xgettext:c-format */
  45   fprintf (fp, _("  [-g]         - 32 bit small archive\n"));
  46   fprintf (fp, _("  [-X32]       - ignores 64 bit objects\n"));
  47   fprintf (fp, _("  [-X64]       - ignores 32 bit objects\n"));
  48   fprintf (fp, _("  [-X32_64]    - accepts 32 and 64 bit objects\n"));
  49 }
  50
  51 static bfd_boolean
  52 check_aix (bfd *try_bfd)
  53 {
  54   extern const bfd_target rs6000coff_vec;
  55   extern const bfd_target rs6000coff64_vec;
  56   extern const bfd_target aix5coff64_vec;
  57
  58   if (bfd_check_format (try_bfd, bfd_object))
  59     {
  60       if (!X32 && try_bfd->xvec == &rs6000coff_vec)
  61         return FALSE;
  62
  63       if (!X64 && (try_bfd->xvec == &rs6000coff64_vec
  64                    || try_bfd->xvec == &aix5coff64_vec))
  65         return FALSE;
  66     }
  67   return TRUE;
  68 }
  69
  70 static bfd_boolean
  71 ar_emul_aix_append (bfd **after_bfd, char *file_name, const char *target,
  72                     bfd_boolean verbose, bfd_boolean flatten)
  73 {
  74   bfd *new_bfd;
  75
  76   new_bfd = bfd_openr (file_name, target);
  77   AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
  78
  79   return do_ar_emul_append (after_bfd, new_bfd, verbose, flatten, check_aix);
  80 }
  81
  82 static bfd_boolean
  83 ar_emul_aix_replace (bfd **after_bfd, char *file_name, const char *target,
  84                      bfd_boolean verbose)
  85 {
  86   bfd *new_bfd;
  87
  88   new_bfd = bfd_openr (file_name, target);
  89   AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
  90
  91   if (!check_aix (new_bfd))
  92     return FALSE;
  93
  94   AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
  95
  96   new_bfd->archive_next = *after_bfd;
  97   *after_bfd = new_bfd;
  98
  99   return TRUE;
 100 }
 101
 102 static bfd_boolean
 103 ar_emul_aix_parse_arg (char *arg)
 104 {
 105   if (CONST_STRNEQ (arg, "-X32_64"))
 106     {
 107       big_archive = TRUE;
 108       X32 = TRUE;
 109       X64 = TRUE;
 110     }
 111   else if (CONST_STRNEQ (arg, "-X32"))
 112     {
 113       big_archive = TRUE;
 114       X32 = TRUE;
 115       X64 = FALSE;
 116     }
 117   else if (CONST_STRNEQ (arg, "-X64"))
 118     {
 119       big_archive = TRUE;
 120       X32 = FALSE;
 121       X64 = TRUE;
 122     }
 123   else if (CONST_STRNEQ (arg, "-g"))
 124     {
 125       big_archive = FALSE;
 126       X32 = TRUE;
 127       X64 = FALSE;
 128     }
 129   else
 130     return FALSE;
 131
 132   return TRUE;
 133 }
 134
 135 struct bin_emulation_xfer_struct bin_aix_emulation =
 136 {
 137   ar_emul_aix_usage,
 138   ar_emul_aix_append,
 139   ar_emul_aix_replace,
 140   ar_emul_aix_parse_arg,
 141 };