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      1 /* Print contents of object file note.
      2    Copyright (C) 2002, 2007 Red Hat, Inc.
      3    This file is part of Red Hat elfutils.
      4    Written by Ulrich Drepper <drepper (at) redhat.com>, 2002.
      5 
      6    Red Hat elfutils is free software; you can redistribute it and/or modify
      7    it under the terms of the GNU General Public License as published by the
      8    Free Software Foundation; version 2 of the License.
      9 
     10    Red Hat elfutils is distributed in the hope that it will be useful, but
     11    WITHOUT ANY WARRANTY; without even the implied warranty of
     12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13    General Public License for more details.
     14 
     15    You should have received a copy of the GNU General Public License along
     16    with Red Hat elfutils; if not, write to the Free Software Foundation,
     17    Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
     18 
     19    In addition, as a special exception, Red Hat, Inc. gives You the
     20    additional right to link the code of Red Hat elfutils with code licensed
     21    under any Open Source Initiative certified open source license
     22    (http://www.opensource.org/licenses/index.php) which requires the
     23    distribution of source code with any binary distribution and to
     24    distribute linked combinations of the two.  Non-GPL Code permitted under
     25    this exception must only link to the code of Red Hat elfutils through
     26    those well defined interfaces identified in the file named EXCEPTION
     27    found in the source code files (the "Approved Interfaces").  The files
     28    of Non-GPL Code may instantiate templates or use macros or inline
     29    functions from the Approved Interfaces without causing the resulting
     30    work to be covered by the GNU General Public License.  Only Red Hat,
     31    Inc. may make changes or additions to the list of Approved Interfaces.
     32    Red Hat's grant of this exception is conditioned upon your not adding
     33    any new exceptions.  If you wish to add a new Approved Interface or
     34    exception, please contact Red Hat.  You must obey the GNU General Public
     35    License in all respects for all of the Red Hat elfutils code and other
     36    code used in conjunction with Red Hat elfutils except the Non-GPL Code
     37    covered by this exception.  If you modify this file, you may extend this
     38    exception to your version of the file, but you are not obligated to do
     39    so.  If you do not wish to provide this exception without modification,
     40    you must delete this exception statement from your version and license
     41    this file solely under the GPL without exception.
     42 
     43    Red Hat elfutils is an included package of the Open Invention Network.
     44    An included package of the Open Invention Network is a package for which
     45    Open Invention Network licensees cross-license their patents.  No patent
     46    license is granted, either expressly or impliedly, by designation as an
     47    included package.  Should you wish to participate in the Open Invention
     48    Network licensing program, please visit www.openinventionnetwork.com
     49    <http://www.openinventionnetwork.com>.  */
     50 
     51 #ifdef HAVE_CONFIG_H
     52 # include <config.h>
     53 #endif
     54 
     55 #include <inttypes.h>
     56 #include <stdio.h>
     57 #include <string.h>
     58 #include <libeblP.h>
     59 
     60 
     61 void
     62 ebl_object_note (ebl, name, type, descsz, desc)
     63      Ebl *ebl;
     64      const char *name;
     65      uint32_t type;
     66      uint32_t descsz;
     67      const char *desc;
     68 {
     69   if (! ebl->object_note (name, type, descsz, desc))
     70     /* The machine specific function did not know this type.  */
     71     switch (type)
     72       {
     73       case NT_GNU_BUILD_ID:
     74 	if (strcmp (name, "GNU") == 0 && descsz > 0)
     75 	  {
     76 	    printf (gettext ("    Build ID: "));
     77 	    uint_fast32_t i;
     78 	    for (i = 0; i < descsz - 1; ++i)
     79 	      printf ("%02" PRIx8, (uint8_t) desc[i]);
     80 	    printf ("%02" PRIx8 "\n", (uint8_t) desc[i]);
     81 	  }
     82 	break;
     83 
     84       case NT_GNU_ABI_TAG:
     85 	if (strcmp (name, "GNU") == 0 && descsz >= 8 && descsz % 4 == 0)
     86 	  {
     87 	    Elf_Data in =
     88 	      {
     89 		.d_version = EV_CURRENT,
     90 		.d_type = ELF_T_WORD,
     91 		.d_size = descsz,
     92 		.d_buf = (void *) desc
     93 	      };
     94 	    uint32_t buf[descsz / 4];
     95 	    Elf_Data out =
     96 	      {
     97 		.d_version = EV_CURRENT,
     98 		.d_type = ELF_T_WORD,
     99 		.d_size = descsz,
    100 		.d_buf = buf
    101 	      };
    102 
    103 	    if (elf32_xlatetom (&out, &in, ebl->data) != NULL)
    104 	      {
    105 		const char *os;
    106 		switch (buf[0])
    107 		  {
    108 		  case ELF_NOTE_OS_LINUX:
    109 		    os = "Linux";
    110 		    break;
    111 
    112 		  case ELF_NOTE_OS_GNU:
    113 		    os = "GNU";
    114 		    break;
    115 
    116 		  case ELF_NOTE_OS_SOLARIS2:
    117 		    os = "Solaris";
    118 		    break;
    119 
    120 		  case ELF_NOTE_OS_FREEBSD:
    121 		    os = "FreeBSD";
    122 		    break;
    123 
    124 		  default:
    125 		    os = "???";
    126 		    break;
    127 		  }
    128 
    129 		printf (gettext ("    OS: %s, ABI: "), os);
    130 		for (size_t cnt = 1; cnt < descsz / 4; ++cnt)
    131 		  {
    132 		    if (cnt > 1)
    133 		      putchar_unlocked ('.');
    134 		    printf ("%" PRIu32, buf[cnt]);
    135 		  }
    136 		putchar_unlocked ('\n');
    137 	      }
    138 	    break;
    139 	  }
    140 	/* FALLTHROUGH */
    141 
    142       default:
    143 	/* Unknown type.  */
    144 	break;
    145       }
    146 }
    147