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       1                 :            : /* x86_64 specific symbolic name handling.
       2                 :            :    Copyright (C) 2002, 2005, 2018 Red Hat, Inc.
       3                 :            :    This file is part of elfutils.
       4                 :            :    Written by Ulrich Drepper <drepper@redhat.com>, 2002.
       5                 :            : 
       6                 :            :    This file is free software; you can redistribute it and/or modify
       7                 :            :    it under the terms of either
       8                 :            : 
       9                 :            :      * the GNU Lesser General Public License as published by the Free
      10                 :            :        Software Foundation; either version 3 of the License, or (at
      11                 :            :        your option) any later version
      12                 :            : 
      13                 :            :    or
      14                 :            : 
      15                 :            :      * the GNU General Public License as published by the Free
      16                 :            :        Software Foundation; either version 2 of the License, or (at
      17                 :            :        your option) any later version
      18                 :            : 
      19                 :            :    or both in parallel, as here.
      20                 :            : 
      21                 :            :    elfutils is distributed in the hope that it will be useful, but
      22                 :            :    WITHOUT ANY WARRANTY; without even the implied warranty of
      23                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      24                 :            :    General Public License for more details.
      25                 :            : 
      26                 :            :    You should have received copies of the GNU General Public License and
      27                 :            :    the GNU Lesser General Public License along with this program.  If
      28                 :            :    not, see <http://www.gnu.org/licenses/>.  */
      29                 :            : 
      30                 :            : #ifdef HAVE_CONFIG_H
      31                 :            : # include <config.h>
      32                 :            : #endif
      33                 :            : 
      34                 :            : #include <assert.h>
      35                 :            : #include <elf.h>
      36                 :            : #include <stddef.h>
      37                 :            : 
      38                 :            : #define BACKEND         x86_64_
      39                 :            : #include "libebl_CPU.h"
      40                 :            : 
      41                 :            : /* Check for the simple reloc types.  */
      42                 :            : Elf_Type
      43                 :     121759 : x86_64_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type,
      44                 :            :                           int *addsub __attribute__ ((unused)))
      45                 :            : {
      46         [ -  + ]:     121759 :   switch (type)
      47                 :            :     {
      48                 :            :     case R_X86_64_64:
      49                 :            :       return ELF_T_XWORD;
      50                 :            :     case R_X86_64_32:
      51                 :            :       return ELF_T_WORD;
      52                 :            :     case R_X86_64_32S:
      53                 :            :       return ELF_T_SWORD;
      54                 :            :     case R_X86_64_16:
      55                 :            :       return ELF_T_HALF;
      56                 :            :     case R_X86_64_8:
      57                 :            :       return ELF_T_BYTE;
      58                 :            :     default:
      59                 :            :       return ELF_T_NUM;
      60                 :            :     }
      61                 :            : }
      62                 :            : 
      63                 :            : /* Return symbolic representation of section type.  */
      64                 :            : const char *
      65                 :     200893 : x86_64_section_type_name (int type,
      66                 :            :                           char *buf __attribute__ ((unused)),
      67                 :            :                           size_t len __attribute__ ((unused)))
      68                 :            : {
      69         [ -  + ]:     200893 :   if (type == SHT_X86_64_UNWIND)
      70                 :          0 :     return "X86_64_UNWIND";
      71                 :            : 
      72                 :            :   return NULL;
      73                 :            : }
      74                 :            : 
      75                 :            : /* The SHT_X86_64_UNWIND section type is a valid target for relocation.  */
      76                 :            : bool
      77                 :        252 : x86_64_check_reloc_target_type (Ebl *ebl __attribute__ ((unused)),
      78                 :            :                                 Elf64_Word sh_type)
      79                 :            : {
      80                 :        252 :   return sh_type == SHT_X86_64_UNWIND;
      81                 :            : }