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      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 (at) 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 sh_gotpc_reloc_check (Elf *elf __attribute__ ((unused)), int type)
     44 {
     45   return type == R_SH_GOTPC;
     46 }
     47 
     48 /* Check for the simple reloc types.  */
     49 Elf_Type
     50 sh_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type)
     51 {
     52   switch (type)
     53     {
     54     case R_SH_DIR32:
     55       return ELF_T_WORD;
     56     default:
     57       return ELF_T_NUM;
     58     }
     59 }
     60 
     61 /* Check whether machine flags are valid.  */
     62 bool
     63 sh_machine_flag_check (GElf_Word flags)
     64 {
     65   switch (flags & EF_SH_MACH_MASK)
     66     {
     67     case EF_SH_UNKNOWN:
     68     case EF_SH1:
     69     case EF_SH2:
     70     case EF_SH3:
     71     case EF_SH_DSP:
     72     case EF_SH3_DSP:
     73     case EF_SH4AL_DSP:
     74     case EF_SH3E:
     75     case EF_SH4:
     76     case EF_SH2E:
     77     case EF_SH4A:
     78     case EF_SH2A:
     79     case EF_SH4_NOFPU:
     80     case EF_SH4A_NOFPU:
     81     case EF_SH4_NOMMU_NOFPU:
     82     case EF_SH2A_NOFPU:
     83     case EF_SH3_NOMMU:
     84     case EF_SH2A_SH4_NOFPU:
     85     case EF_SH2A_SH3_NOFPU:
     86     case EF_SH2A_SH4:
     87     case EF_SH2A_SH3E:
     88       break;
     89     default:
     90       return false;
     91     }
     92 
     93   return ((flags &~ (EF_SH_MACH_MASK)) == 0);
     94 }
     95