binutils/emul_aix.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 #include "bfdlink.h"
  24 #include "coff/internal.h"
  25 #include "coff/xcoff.h"
  26 #include "libcoff.h"
  27 #include "libxcoff.h"
  28
  29 /* Default to <bigaf>.  */
  30 /* FIXME: write only variable.  */
  31 static bfd_boolean big_archive = TRUE;
  32
  33 /* Whether to include 32 bit objects.  */
  34 static bfd_boolean X32 = TRUE;
  35
  36 /* Whether to include 64 bit objects.  */
  37 static bfd_boolean X64 = FALSE;
  38
  39 static void
  40 ar_emul_aix_usage (FILE *fp)
  41 {
  42   AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
  43   /* xgettext:c-format */
  44   fprintf (fp, _("  [-g]         - 32 bit small archive\n"));
  45   fprintf (fp, _("  [-X32]       - ignores 64 bit objects\n"));
  46   fprintf (fp, _("  [-X64]       - ignores 32 bit objects\n"));
  47   fprintf (fp, _("  [-X32_64]    - accepts 32 and 64 bit objects\n"));
  48 }
  49
  50 static bfd_boolean
  51 check_aix (bfd *try_bfd)
  52 {
  53   extern const bfd_target rs6000_xcoff_vec;
  54   extern const bfd_target rs6000_xcoff64_vec;
  55   extern const bfd_target rs6000_xcoff64_aix_vec;
  56
  57   if (bfd_check_format (try_bfd, bfd_object))
  58     {
  59       if (!X32 && try_bfd->xvec == &rs6000_xcoff_vec)
  60         return FALSE;
  61
  62       if (!X64 && (try_bfd->xvec == &rs6000_xcoff64_vec
  63                    || try_bfd->xvec == &rs6000_xcoff64_aix_vec))
  64         return FALSE;
  65     }
  66   return TRUE;
  67 }
  68
  69 static bfd_boolean
  70 ar_emul_aix_append (bfd **after_bfd, char *file_name, const char *target,
  71                     bfd_boolean verbose, bfd_boolean flatten)
  72 {
  73   bfd *new_bfd;
  74
  75   new_bfd = bfd_openr (file_name, target);
  76   AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
  77
  78   return do_ar_emul_append (after_bfd, new_bfd, verbose, flatten, check_aix);
  79 }
  80
  81 static bfd_boolean
  82 ar_emul_aix_replace (bfd **after_bfd, char *file_name, const char *target,
  83                      bfd_boolean verbose)
  84 {
  85   bfd *new_bfd;
  86
  87   new_bfd = bfd_openr (file_name, target);
  88   AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
  89
  90   if (!check_aix (new_bfd))
  91     return FALSE;
  92
  93   AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
  94
  95   new_bfd->archive_next = *after_bfd;
  96   *after_bfd = new_bfd;
  97
  98   return TRUE;
  99 }
 100
 101 static bfd_boolean
 102 ar_emul_aix_parse_arg (char *arg)
 103 {
 104   if (CONST_STRNEQ (arg, "-X32_64"))
 105     {
 106       big_archive = TRUE;
 107       X32 = TRUE;
 108       X64 = TRUE;
 109     }
 110   else if (CONST_STRNEQ (arg, "-X32"))
 111     {
 112       big_archive = TRUE;
 113       X32 = TRUE;
 114       X64 = FALSE;
 115     }
 116   else if (CONST_STRNEQ (arg, "-X64"))
 117     {
 118       big_archive = TRUE;
 119       X32 = FALSE;
 120       X64 = TRUE;
 121     }
 122   else if (CONST_STRNEQ (arg, "-g"))
 123     {
 124       big_archive = FALSE;
 125       X32 = TRUE;
 126       X64 = FALSE;
 127     }
 128   else
 129     return FALSE;
 130
 131   return TRUE;
 132 }
 133
 134 struct bin_emulation_xfer_struct bin_aix_emulation =
 135 {
 136   ar_emul_aix_usage,
 137   ar_emul_aix_append,
 138   ar_emul_aix_replace,
 139   ar_emul_aix_parse_arg,
 140 };