binutils/emul_aix.c

   1 /* Binutils emulation layer.
   2    Copyright 2002 Free Software Foundation, Inc.
   3    Written by Tom Rix, Redhat.
   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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #include "binemul.h"
  22 #include "bfdlink.h"
  23 #include "coff/internal.h"
  24 #include "coff/xcoff.h"
  25 #include "libcoff.h"
  26 #include "libxcoff.h"
  27
  28 /* Default to <bigaf>.  */
  29 static bfd_boolean big_archive = TRUE;
  30
  31 /* Whether to include 32 bit objects.  */
  32 static bfd_boolean X32 = TRUE;
  33
  34 /* Whether to include 64 bit objects.  */
  35 static bfd_boolean X64 = FALSE;
  36
  37 static void ar_emul_aix_usage
  38   PARAMS ((FILE *));
  39 static bfd_boolean ar_emul_aix_append
  40   PARAMS ((bfd **, char *, bfd_boolean));
  41 static bfd_boolean ar_emul_aix5_append
  42   PARAMS ((bfd **, char *, bfd_boolean));
  43 static bfd_boolean ar_emul_aix_replace
  44   PARAMS ((bfd **, char *, bfd_boolean));
  45 static bfd_boolean ar_emul_aix5_replace
  46   PARAMS ((bfd **, char *, bfd_boolean));
  47 static bfd_boolean ar_emul_aix_parse_arg
  48   PARAMS ((char *));
  49 static bfd_boolean ar_emul_aix_internal
  50   PARAMS ((bfd **, char *, bfd_boolean, const char *, bfd_boolean));
  51
  52 static void
  53 ar_emul_aix_usage (fp)
  54      FILE *fp;
  55 {
  56   AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
  57   /* xgettext:c-format */
  58   fprintf (fp, _("  [-g]         - 32 bit small archive\n"));
  59   fprintf (fp, _("  [-X32]       - ignores 64 bit objects\n"));
  60   fprintf (fp, _("  [-X64]       - ignores 32 bit objects\n"));
  61   fprintf (fp, _("  [-X32_64]    - accepts 32 and 64 bit objects\n"));
  62 }
  63
  64 static bfd_boolean
  65 ar_emul_aix_internal (after_bfd, file_name, verbose, target_name, is_append)
  66      bfd **after_bfd;
  67      char *file_name;
  68      bfd_boolean verbose;
  69      const char * target_name;
  70      bfd_boolean is_append;
  71 {
  72   bfd *temp;
  73   bfd *try_bfd;
  74
  75   temp = *after_bfd;
  76
  77   /* Try 64 bit.  */
  78   try_bfd = bfd_openr (file_name, target_name);
  79
  80   /* Failed or the object is possibly 32 bit.  */
  81   if (NULL == try_bfd || ! bfd_check_format (try_bfd, bfd_object))
  82     try_bfd = bfd_openr (file_name, "aixcoff-rs6000");
  83
  84   AR_EMUL_ELEMENT_CHECK (try_bfd, file_name);
  85
  86   if (bfd_xcoff_is_xcoff64 (try_bfd) && (! X64))
  87     return FALSE;
  88
  89   if (bfd_xcoff_is_xcoff32 (try_bfd)
  90       && bfd_check_format (try_bfd, bfd_object) && (! X32))
  91     return FALSE;
  92
  93   if (is_append)
  94     {
  95       AR_EMUL_APPEND_PRINT_VERBOSE (verbose, file_name);
  96     }
  97   else
  98     {
  99       AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
 100     }
 101
 102   *after_bfd = try_bfd;
 103   (*after_bfd)->next = temp;
 104
 105   return TRUE;
 106 }
 107
 108
 109 static bfd_boolean
 110 ar_emul_aix_append (after_bfd, file_name, verbose)
 111      bfd **after_bfd;
 112      char *file_name;
 113      bfd_boolean verbose;
 114 {
 115   return ar_emul_aix_internal (after_bfd, file_name, verbose,
 116                                "aixcoff64-rs6000", TRUE);
 117 }
 118
 119 static bfd_boolean
 120 ar_emul_aix5_append (after_bfd, file_name, verbose)
 121      bfd **after_bfd;
 122      char *file_name;
 123      bfd_boolean verbose;
 124 {
 125   return ar_emul_aix_internal (after_bfd, file_name, verbose,
 126                                "aix5coff64-rs6000", TRUE);
 127 }
 128
 129 static bfd_boolean
 130 ar_emul_aix_replace (after_bfd, file_name, verbose)
 131      bfd **after_bfd;
 132      char *file_name;
 133      bfd_boolean verbose;
 134 {
 135   return ar_emul_aix_internal (after_bfd, file_name, verbose,
 136                                "aixcoff64-rs6000", FALSE);
 137 }
 138
 139 static bfd_boolean
 140 ar_emul_aix5_replace (after_bfd, file_name, verbose)
 141      bfd **after_bfd;
 142      char *file_name;
 143      bfd_boolean verbose;
 144 {
 145   return ar_emul_aix_internal (after_bfd, file_name, verbose,
 146                                "aix5coff64-rs6000", FALSE);
 147 }
 148
 149 bfd_boolean
 150 ar_emul_aix_create (abfd_out, archive_file_name, file_name)
 151      bfd **abfd_out;
 152      char *archive_file_name;
 153      char *file_name ATTRIBUTE_UNUSED;
 154 {
 155   char *target = "aixcoff-rs6000";
 156
 157   /* Create an empty archive.  */
 158   *abfd_out = bfd_openw (archive_file_name, target);
 159
 160   if (*abfd_out == NULL)
 161     bfd_fatal (archive_file_name);
 162
 163   /* set to small or big format.  */
 164   /* not done.  */
 165   return TRUE;
 166 }
 167
 168 static bfd_boolean
 169 ar_emul_aix_parse_arg (arg)
 170      char *arg;
 171 {
 172   if (strncmp (arg, "-X32_64", 6) == 0)
 173     {
 174       big_archive = TRUE;
 175       X32 = TRUE;
 176       X64 = TRUE;
 177     }
 178   else if (strncmp (arg, "-X32", 3) == 0)
 179     {
 180       big_archive = TRUE;
 181       X32 = TRUE;
 182       X64 = FALSE;
 183     }
 184   else if (strncmp (arg, "-X64", 3) == 0)
 185     {
 186       big_archive = TRUE;
 187       X32 = FALSE;
 188       X64 = TRUE;
 189     }
 190   else if (strncmp (arg, "-g", 2) == 0)
 191     {
 192       big_archive = FALSE;
 193       X32 = TRUE;
 194       X64 = FALSE;
 195     }
 196   else
 197     return FALSE;
 198
 199   return TRUE;
 200 }
 201
 202 struct bin_emulation_xfer_struct bin_aix_emulation =
 203 {
 204   ar_emul_aix_usage,
 205   ar_emul_aix_append,
 206   ar_emul_aix_replace,
 207   ar_emul_default_create,
 208   ar_emul_aix_parse_arg,
 209 };
 210
 211 struct bin_emulation_xfer_struct bin_aix5_emulation =
 212 {
 213   ar_emul_aix_usage,
 214   ar_emul_aix5_append,
 215   ar_emul_aix5_replace,
 216   ar_emul_default_create,
 217   ar_emul_aix_parse_arg,
 218 };