125b3c049e70834cf33790a28643ab058b507b35cBen Cheng/* Arm specific symbolic name handling. 225b3c049e70834cf33790a28643ab058b507b35cBen Cheng Copyright (C) 2002-2009 Red Hat, Inc. 325b3c049e70834cf33790a28643ab058b507b35cBen Cheng This file is part of Red Hat elfutils. 425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 525b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat elfutils is free software; you can redistribute it and/or modify 625b3c049e70834cf33790a28643ab058b507b35cBen Cheng it under the terms of the GNU General Public License as published by the 725b3c049e70834cf33790a28643ab058b507b35cBen Cheng Free Software Foundation; version 2 of the License. 825b3c049e70834cf33790a28643ab058b507b35cBen Cheng 925b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat elfutils is distributed in the hope that it will be useful, but 1025b3c049e70834cf33790a28643ab058b507b35cBen Cheng WITHOUT ANY WARRANTY; without even the implied warranty of 1125b3c049e70834cf33790a28643ab058b507b35cBen Cheng MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1225b3c049e70834cf33790a28643ab058b507b35cBen Cheng General Public License for more details. 1325b3c049e70834cf33790a28643ab058b507b35cBen Cheng 1425b3c049e70834cf33790a28643ab058b507b35cBen Cheng You should have received a copy of the GNU General Public License along 1525b3c049e70834cf33790a28643ab058b507b35cBen Cheng with Red Hat elfutils; if not, write to the Free Software Foundation, 1625b3c049e70834cf33790a28643ab058b507b35cBen Cheng Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 1725b3c049e70834cf33790a28643ab058b507b35cBen Cheng 1825b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat elfutils is an included package of the Open Invention Network. 1925b3c049e70834cf33790a28643ab058b507b35cBen Cheng An included package of the Open Invention Network is a package for which 2025b3c049e70834cf33790a28643ab058b507b35cBen Cheng Open Invention Network licensees cross-license their patents. No patent 2125b3c049e70834cf33790a28643ab058b507b35cBen Cheng license is granted, either expressly or impliedly, by designation as an 2225b3c049e70834cf33790a28643ab058b507b35cBen Cheng included package. Should you wish to participate in the Open Invention 2325b3c049e70834cf33790a28643ab058b507b35cBen Cheng Network licensing program, please visit www.openinventionnetwork.com 2425b3c049e70834cf33790a28643ab058b507b35cBen Cheng <http://www.openinventionnetwork.com>. */ 2525b3c049e70834cf33790a28643ab058b507b35cBen Cheng 2625b3c049e70834cf33790a28643ab058b507b35cBen Cheng#ifdef HAVE_CONFIG_H 2725b3c049e70834cf33790a28643ab058b507b35cBen Cheng# include <config.h> 2825b3c049e70834cf33790a28643ab058b507b35cBen Cheng#endif 2925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 3025b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <elf.h> 3125b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <stddef.h> 3225b3c049e70834cf33790a28643ab058b507b35cBen Cheng 3325b3c049e70834cf33790a28643ab058b507b35cBen Cheng#define BACKEND arm_ 3425b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include "libebl_CPU.h" 3525b3c049e70834cf33790a28643ab058b507b35cBen Cheng 3625b3c049e70834cf33790a28643ab058b507b35cBen Cheng 3725b3c049e70834cf33790a28643ab058b507b35cBen Chengconst char * 3825b3c049e70834cf33790a28643ab058b507b35cBen Chengarm_segment_type_name (int segment, char *buf __attribute__ ((unused)), 3925b3c049e70834cf33790a28643ab058b507b35cBen Cheng size_t len __attribute__ ((unused))) 4025b3c049e70834cf33790a28643ab058b507b35cBen Cheng{ 4125b3c049e70834cf33790a28643ab058b507b35cBen Cheng switch (segment) 4225b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 4325b3c049e70834cf33790a28643ab058b507b35cBen Cheng case PT_ARM_EXIDX: 4425b3c049e70834cf33790a28643ab058b507b35cBen Cheng return "ARM_EXIDX"; 4525b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 4625b3c049e70834cf33790a28643ab058b507b35cBen Cheng return NULL; 4725b3c049e70834cf33790a28643ab058b507b35cBen Cheng} 4825b3c049e70834cf33790a28643ab058b507b35cBen Cheng 4925b3c049e70834cf33790a28643ab058b507b35cBen Cheng/* Return symbolic representation of section type. */ 5025b3c049e70834cf33790a28643ab058b507b35cBen Chengconst char * 5125b3c049e70834cf33790a28643ab058b507b35cBen Chengarm_section_type_name (int type, 5225b3c049e70834cf33790a28643ab058b507b35cBen Cheng char *buf __attribute__ ((unused)), 5325b3c049e70834cf33790a28643ab058b507b35cBen Cheng size_t len __attribute__ ((unused))) 5425b3c049e70834cf33790a28643ab058b507b35cBen Cheng{ 5525b3c049e70834cf33790a28643ab058b507b35cBen Cheng switch (type) 5625b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 5725b3c049e70834cf33790a28643ab058b507b35cBen Cheng case SHT_ARM_EXIDX: 5825b3c049e70834cf33790a28643ab058b507b35cBen Cheng return "ARM_EXIDX"; 5925b3c049e70834cf33790a28643ab058b507b35cBen Cheng case SHT_ARM_PREEMPTMAP: 6025b3c049e70834cf33790a28643ab058b507b35cBen Cheng return "ARM_PREEMPTMAP"; 6125b3c049e70834cf33790a28643ab058b507b35cBen Cheng case SHT_ARM_ATTRIBUTES: 6225b3c049e70834cf33790a28643ab058b507b35cBen Cheng return "ARM_ATTRIBUTES"; 6325b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 6425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 6525b3c049e70834cf33790a28643ab058b507b35cBen Cheng return NULL; 6625b3c049e70834cf33790a28643ab058b507b35cBen Cheng} 6725b3c049e70834cf33790a28643ab058b507b35cBen Cheng 6825b3c049e70834cf33790a28643ab058b507b35cBen Cheng/* Check whether machine flags are valid. */ 6925b3c049e70834cf33790a28643ab058b507b35cBen Chengbool 7025b3c049e70834cf33790a28643ab058b507b35cBen Chengarm_machine_flag_check (GElf_Word flags) 7125b3c049e70834cf33790a28643ab058b507b35cBen Cheng{ 7225b3c049e70834cf33790a28643ab058b507b35cBen Cheng switch (flags & EF_ARM_EABIMASK) 7325b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 7425b3c049e70834cf33790a28643ab058b507b35cBen Cheng case EF_ARM_EABI_UNKNOWN: 7525b3c049e70834cf33790a28643ab058b507b35cBen Cheng case EF_ARM_EABI_VER1: 7625b3c049e70834cf33790a28643ab058b507b35cBen Cheng case EF_ARM_EABI_VER2: 7725b3c049e70834cf33790a28643ab058b507b35cBen Cheng case EF_ARM_EABI_VER3: 7825b3c049e70834cf33790a28643ab058b507b35cBen Cheng case EF_ARM_EABI_VER4: 7925b3c049e70834cf33790a28643ab058b507b35cBen Cheng case EF_ARM_EABI_VER5: 8025b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 8125b3c049e70834cf33790a28643ab058b507b35cBen Cheng default: 8225b3c049e70834cf33790a28643ab058b507b35cBen Cheng return false; 8325b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 8425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 8525b3c049e70834cf33790a28643ab058b507b35cBen Cheng return ((flags &~ (EF_ARM_EABIMASK 8625b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_RELEXEC 8725b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_HASENTRY 8825b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_INTERWORK 8925b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_APCS_26 9025b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_APCS_FLOAT 9125b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_PIC 9225b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_ALIGN8 9325b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_NEW_ABI 9425b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_OLD_ABI 9525b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_SOFT_FLOAT 9625b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_VFP_FLOAT 9725b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_MAVERICK_FLOAT 9825b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_SYMSARESORTED 9925b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_DYNSYMSUSESEGIDX 10025b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_MAPSYMSFIRST 10125b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_EABIMASK 10225b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_BE8 10325b3c049e70834cf33790a28643ab058b507b35cBen Cheng | EF_ARM_LE8)) == 0); 10425b3c049e70834cf33790a28643ab058b507b35cBen Cheng} 10525b3c049e70834cf33790a28643ab058b507b35cBen Cheng 10625b3c049e70834cf33790a28643ab058b507b35cBen Cheng/* Check for the simple reloc types. */ 10725b3c049e70834cf33790a28643ab058b507b35cBen ChengElf_Type 10825b3c049e70834cf33790a28643ab058b507b35cBen Chengarm_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type) 10925b3c049e70834cf33790a28643ab058b507b35cBen Cheng{ 11025b3c049e70834cf33790a28643ab058b507b35cBen Cheng switch (type) 11125b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 11225b3c049e70834cf33790a28643ab058b507b35cBen Cheng case R_ARM_ABS32: 11325b3c049e70834cf33790a28643ab058b507b35cBen Cheng return ELF_T_WORD; 11425b3c049e70834cf33790a28643ab058b507b35cBen Cheng case R_ARM_ABS16: 11525b3c049e70834cf33790a28643ab058b507b35cBen Cheng return ELF_T_HALF; 11625b3c049e70834cf33790a28643ab058b507b35cBen Cheng case R_ARM_ABS8: 11725b3c049e70834cf33790a28643ab058b507b35cBen Cheng return ELF_T_BYTE; 11825b3c049e70834cf33790a28643ab058b507b35cBen Cheng default: 11925b3c049e70834cf33790a28643ab058b507b35cBen Cheng return ELF_T_NUM; 12025b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 12125b3c049e70834cf33790a28643ab058b507b35cBen Cheng} 122