Line data    Source code

       1             : /* SH specific relocation handling.
       2             :    Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
       3             :    This file is part of elfutils.
       4             :    Written by Ulrich Drepper <drepper@redhat.com>, 2000.
       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 <elf.h>
      35             : #include <stddef.h>
      36             : 
      37             : #define BACKEND sh_
      38             : #include "libebl_CPU.h"
      39             : 
      40             : 
      41             : /* Return true if the symbol type is that referencing the GOT.  */
      42             : bool
      43           0 : sh_gotpc_reloc_check (Elf *elf __attribute__ ((unused)), int type)
      44             : {
      45           0 :   return type == R_SH_GOTPC;
      46             : }
      47             : 
      48             : /* Check for the simple reloc types.  */
      49             : Elf_Type
      50           0 : sh_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type,
      51             :                       int *addsub __attribute__ ((unused)))
      52             : {
      53           0 :   switch (type)
      54             :     {
      55             :     case R_SH_DIR32:
      56             :       return ELF_T_WORD;
      57           0 :     default:
      58           0 :       return ELF_T_NUM;
      59             :     }
      60             : }
      61             : 
      62             : /* Check whether machine flags are valid.  */
      63             : bool
      64           0 : sh_machine_flag_check (GElf_Word flags)
      65             : {
      66           0 :   switch (flags & EF_SH_MACH_MASK)
      67             :     {
      68             :     case EF_SH_UNKNOWN:
      69             :     case EF_SH1:
      70             :     case EF_SH2:
      71             :     case EF_SH3:
      72             :     case EF_SH_DSP:
      73             :     case EF_SH3_DSP:
      74             :     case EF_SH4AL_DSP:
      75             :     case EF_SH3E:
      76             :     case EF_SH4:
      77             :     case EF_SH2E:
      78             :     case EF_SH4A:
      79             :     case EF_SH2A:
      80             :     case EF_SH4_NOFPU:
      81             :     case EF_SH4A_NOFPU:
      82             :     case EF_SH4_NOMMU_NOFPU:
      83             :     case EF_SH2A_NOFPU:
      84             :     case EF_SH3_NOMMU:
      85             :     case EF_SH2A_SH4_NOFPU:
      86             :     case EF_SH2A_SH3_NOFPU:
      87             :     case EF_SH2A_SH4:
      88             :     case EF_SH2A_SH3E:
      89           0 :       break;
      90             :     default:
      91             :       return false;
      92             :     }
      93             : 
      94           0 :   return ((flags &~ (EF_SH_MACH_MASK)) == 0);
      95             : }