binutils/emul_aix.c

   1 /* Binutils emulation layer.
   2    Copyright 2002, 2003 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 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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 (FILE *);
  38 static bfd_boolean ar_emul_aix_append (bfd **, char *, bfd_boolean);
  39 static bfd_boolean ar_emul_aix5_append (bfd **, char *, bfd_boolean);
  40 static bfd_boolean ar_emul_aix_replace (bfd **, char *, bfd_boolean);
  41 static bfd_boolean ar_emul_aix5_replace (bfd **, char *, bfd_boolean);
  42 static bfd_boolean ar_emul_aix_parse_arg (char *);
  43 static bfd_boolean ar_emul_aix_internal
  44   (bfd **, char *, bfd_boolean, const char *, bfd_boolean);
  45
  46 static void
  47 ar_emul_aix_usage (FILE *fp)
  48 {
  49   AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
  50   /* xgettext:c-format */
  51   fprintf (fp, _("  [-g]         - 32 bit small archive\n"));
  52   fprintf (fp, _("  [-X32]       - ignores 64 bit objects\n"));
  53   fprintf (fp, _("  [-X64]       - ignores 32 bit objects\n"));
  54   fprintf (fp, _("  [-X32_64]    - accepts 32 and 64 bit objects\n"));
  55 }
  56
  57 static bfd_boolean
  58 ar_emul_aix_internal (bfd **after_bfd, char *file_name, bfd_boolean verbose,
  59                       const char * target_name, bfd_boolean is_append)
  60 {
  61   bfd *temp;
  62   bfd *try_bfd;
  63
  64   temp = *after_bfd;
  65
  66   /* Try 64 bit.  */
  67   try_bfd = bfd_openr (file_name, target_name);
  68
  69   /* Failed or the object is possibly 32 bit.  */
  70   if (NULL == try_bfd || ! bfd_check_format (try_bfd, bfd_object))
  71     try_bfd = bfd_openr (file_name, "aixcoff-rs6000");
  72
  73   AR_EMUL_ELEMENT_CHECK (try_bfd, file_name);
  74
  75   if (bfd_xcoff_is_xcoff64 (try_bfd) && (! X64))
  76     return FALSE;
  77
  78   if (bfd_xcoff_is_xcoff32 (try_bfd)
  79       && bfd_check_format (try_bfd, bfd_object) && (! X32))
  80     return FALSE;
  81
  82   if (is_append)
  83     {
  84       AR_EMUL_APPEND_PRINT_VERBOSE (verbose, file_name);
  85     }
  86   else
  87     {
  88       AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
  89     }
  90
  91   *after_bfd = try_bfd;
  92   (*after_bfd)->next = temp;
  93
  94   return TRUE;
  95 }
  96
  97
  98 static bfd_boolean
  99 ar_emul_aix_append (bfd **after_bfd, char *file_name, bfd_boolean verbose)
 100 {
 101   return ar_emul_aix_internal (after_bfd, file_name, verbose,
 102                                "aixcoff64-rs6000", TRUE);
 103 }
 104
 105 static bfd_boolean
 106 ar_emul_aix5_append (bfd **after_bfd, char *file_name, bfd_boolean verbose)
 107 {
 108   return ar_emul_aix_internal (after_bfd, file_name, verbose,
 109                                "aix5coff64-rs6000", TRUE);
 110 }
 111
 112 static bfd_boolean
 113 ar_emul_aix_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
 114 {
 115   return ar_emul_aix_internal (after_bfd, file_name, verbose,
 116                                "aixcoff64-rs6000", FALSE);
 117 }
 118
 119 static bfd_boolean
 120 ar_emul_aix5_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
 121 {
 122   return ar_emul_aix_internal (after_bfd, file_name, verbose,
 123                                "aix5coff64-rs6000", FALSE);
 124 }
 125
 126 static bfd_boolean
 127 ar_emul_aix_parse_arg (char *arg)
 128 {
 129   if (strncmp (arg, "-X32_64", 6) == 0)
 130     {
 131       big_archive = TRUE;
 132       X32 = TRUE;
 133       X64 = TRUE;
 134     }
 135   else if (strncmp (arg, "-X32", 3) == 0)
 136     {
 137       big_archive = TRUE;
 138       X32 = TRUE;
 139       X64 = FALSE;
 140     }
 141   else if (strncmp (arg, "-X64", 3) == 0)
 142     {
 143       big_archive = TRUE;
 144       X32 = FALSE;
 145       X64 = TRUE;
 146     }
 147   else if (strncmp (arg, "-g", 2) == 0)
 148     {
 149       big_archive = FALSE;
 150       X32 = TRUE;
 151       X64 = FALSE;
 152     }
 153   else
 154     return FALSE;
 155
 156   return TRUE;
 157 }
 158
 159 struct bin_emulation_xfer_struct bin_aix_emulation =
 160 {
 161   ar_emul_aix_usage,
 162   ar_emul_aix_append,
 163   ar_emul_aix_replace,
 164   ar_emul_aix_parse_arg,
 165 };
 166
 167 struct bin_emulation_xfer_struct bin_aix5_emulation =
 168 {
 169   ar_emul_aix_usage,
 170   ar_emul_aix5_append,
 171   ar_emul_aix5_replace,
 172   ar_emul_aix_parse_arg,
 173 };