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