binutils/emul_aix.c

   1 /* Binutils emulation layer.
   2    Copyright 2002, 2003, 2005, 2006, 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 #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 static bfd_boolean big_archive = TRUE;
  31
  32 /* Whether to include 32 bit objects.  */
  33 static bfd_boolean X32 = TRUE;
  34
  35 /* Whether to include 64 bit objects.  */
  36 static bfd_boolean X64 = FALSE;
  37
  38 static void
  39 ar_emul_aix_usage (FILE *fp)
  40 {
  41   AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
  42   /* xgettext:c-format */
  43   fprintf (fp, _("  [-g]         - 32 bit small archive\n"));
  44   fprintf (fp, _("  [-X32]       - ignores 64 bit objects\n"));
  45   fprintf (fp, _("  [-X64]       - ignores 32 bit objects\n"));
  46   fprintf (fp, _("  [-X32_64]    - accepts 32 and 64 bit objects\n"));
  47 }
  48
  49 static bfd_boolean
  50 ar_emul_aix_internal (bfd **       after_bfd,
  51                       char *       file_name,
  52                       bfd_boolean  verbose,
  53                       const char * target_name,
  54                       bfd_boolean  is_append,
  55                       bfd_boolean  flatten ATTRIBUTE_UNUSED)
  56 {
  57   bfd *temp;
  58   bfd *try_bfd;
  59
  60   temp = *after_bfd;
  61
  62   /* Try 64 bit.  */
  63   try_bfd = bfd_openr (file_name, target_name);
  64
  65   /* Failed or the object is possibly 32 bit.  */
  66   if (NULL == try_bfd || ! bfd_check_format (try_bfd, bfd_object))
  67     try_bfd = bfd_openr (file_name, "aixcoff-rs6000");
  68
  69   AR_EMUL_ELEMENT_CHECK (try_bfd, file_name);
  70
  71   if (bfd_xcoff_is_xcoff64 (try_bfd) && (! X64))
  72     return FALSE;
  73
  74   if (bfd_xcoff_is_xcoff32 (try_bfd)
  75       && bfd_check_format (try_bfd, bfd_object) && (! X32))
  76     return FALSE;
  77
  78   if (is_append)
  79     {
  80       AR_EMUL_APPEND_PRINT_VERBOSE (verbose, file_name);
  81     }
  82   else
  83     {
  84       AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
  85     }
  86
  87   *after_bfd = try_bfd;
  88   (*after_bfd)->archive_next = temp;
  89
  90   return TRUE;
  91 }
  92
  93
  94 static bfd_boolean
  95 ar_emul_aix_append (bfd **after_bfd, char *file_name, bfd_boolean verbose,
  96                     bfd_boolean flatten)
  97 {
  98   return ar_emul_aix_internal (after_bfd, file_name, verbose,
  99                                "aixcoff64-rs6000", TRUE, flatten);
 100 }
 101
 102 static bfd_boolean
 103 ar_emul_aix5_append (bfd **after_bfd, char *file_name, bfd_boolean verbose,
 104                      bfd_boolean flatten)
 105 {
 106   return ar_emul_aix_internal (after_bfd, file_name, verbose,
 107                                "aix5coff64-rs6000", TRUE, flatten);
 108 }
 109
 110 static bfd_boolean
 111 ar_emul_aix_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
 112 {
 113   return ar_emul_aix_internal (after_bfd, file_name, verbose,
 114                                "aixcoff64-rs6000", FALSE, FALSE);
 115 }
 116
 117 static bfd_boolean
 118 ar_emul_aix5_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
 119 {
 120   return ar_emul_aix_internal (after_bfd, file_name, verbose,
 121                                "aix5coff64-rs6000", FALSE, FALSE);
 122 }
 123
 124 static bfd_boolean
 125 ar_emul_aix_parse_arg (char *arg)
 126 {
 127   if (CONST_STRNEQ (arg, "-X32_64"))
 128     {
 129       big_archive = TRUE;
 130       X32 = TRUE;
 131       X64 = TRUE;
 132     }
 133   else if (CONST_STRNEQ (arg, "-X32"))
 134     {
 135       big_archive = TRUE;
 136       X32 = TRUE;
 137       X64 = FALSE;
 138     }
 139   else if (CONST_STRNEQ (arg, "-X64"))
 140     {
 141       big_archive = TRUE;
 142       X32 = FALSE;
 143       X64 = TRUE;
 144     }
 145   else if (CONST_STRNEQ (arg, "-g"))
 146     {
 147       big_archive = FALSE;
 148       X32 = TRUE;
 149       X64 = FALSE;
 150     }
 151   else
 152     return FALSE;
 153
 154   return TRUE;
 155 }
 156
 157 struct bin_emulation_xfer_struct bin_aix_emulation =
 158 {
 159   ar_emul_aix_usage,
 160   ar_emul_aix_append,
 161   ar_emul_aix_replace,
 162   ar_emul_aix_parse_arg,
 163 };
 164
 165 struct bin_emulation_xfer_struct bin_aix5_emulation =
 166 {
 167   ar_emul_aix_usage,
 168   ar_emul_aix5_append,
 169   ar_emul_aix5_replace,
 170   ar_emul_aix_parse_arg,
 171 };