1 /* Arm specific symbolic name handling. 2 Copyright (C) 2002-2009 Red Hat, Inc. 3 This file is part of Red Hat elfutils. 4 5 Red Hat elfutils is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by the 7 Free Software Foundation; version 2 of the License. 8 9 Red Hat elfutils is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 General Public License for more details. 13 14 You should have received a copy of the GNU General Public License along 15 with Red Hat elfutils; if not, write to the Free Software Foundation, 16 Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 17 18 Red Hat elfutils is an included package of the Open Invention Network. 19 An included package of the Open Invention Network is a package for which 20 Open Invention Network licensees cross-license their patents. No patent 21 license is granted, either expressly or impliedly, by designation as an 22 included package. Should you wish to participate in the Open Invention 23 Network licensing program, please visit www.openinventionnetwork.com 24 <http://www.openinventionnetwork.com>. */ 25 26 #ifdef HAVE_CONFIG_H 27 # include <config.h> 28 #endif 29 30 #include <elf.h> 31 #include <stddef.h> 32 33 #define BACKEND arm_ 34 #include "libebl_CPU.h" 35 36 37 const char * 38 arm_segment_type_name (int segment, char *buf __attribute__ ((unused)), 39 size_t len __attribute__ ((unused))) 40 { 41 switch (segment) 42 { 43 case PT_ARM_EXIDX: 44 return "ARM_EXIDX"; 45 } 46 return NULL; 47 } 48 49 /* Return symbolic representation of section type. */ 50 const char * 51 arm_section_type_name (int type, 52 char *buf __attribute__ ((unused)), 53 size_t len __attribute__ ((unused))) 54 { 55 switch (type) 56 { 57 case SHT_ARM_EXIDX: 58 return "ARM_EXIDX"; 59 case SHT_ARM_PREEMPTMAP: 60 return "ARM_PREEMPTMAP"; 61 case SHT_ARM_ATTRIBUTES: 62 return "ARM_ATTRIBUTES"; 63 } 64 65 return NULL; 66 } 67 68 /* Check whether machine flags are valid. */ 69 bool 70 arm_machine_flag_check (GElf_Word flags) 71 { 72 switch (flags & EF_ARM_EABIMASK) 73 { 74 case EF_ARM_EABI_UNKNOWN: 75 case EF_ARM_EABI_VER1: 76 case EF_ARM_EABI_VER2: 77 case EF_ARM_EABI_VER3: 78 case EF_ARM_EABI_VER4: 79 case EF_ARM_EABI_VER5: 80 break; 81 default: 82 return false; 83 } 84 85 return ((flags &~ (EF_ARM_EABIMASK 86 | EF_ARM_RELEXEC 87 | EF_ARM_HASENTRY 88 | EF_ARM_INTERWORK 89 | EF_ARM_APCS_26 90 | EF_ARM_APCS_FLOAT 91 | EF_ARM_PIC 92 | EF_ARM_ALIGN8 93 | EF_ARM_NEW_ABI 94 | EF_ARM_OLD_ABI 95 | EF_ARM_SOFT_FLOAT 96 | EF_ARM_VFP_FLOAT 97 | EF_ARM_MAVERICK_FLOAT 98 | EF_ARM_SYMSARESORTED 99 | EF_ARM_DYNSYMSUSESEGIDX 100 | EF_ARM_MAPSYMSFIRST 101 | EF_ARM_EABIMASK 102 | EF_ARM_BE8 103 | EF_ARM_LE8)) == 0); 104 } 105 106 /* Check for the simple reloc types. */ 107 Elf_Type 108 arm_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type) 109 { 110 switch (type) 111 { 112 case R_ARM_ABS32: 113 return ELF_T_WORD; 114 case R_ARM_ABS16: 115 return ELF_T_HALF; 116 case R_ARM_ABS8: 117 return ELF_T_BYTE; 118 default: 119 return ELF_T_NUM; 120 } 121 } 122
