1924 lines
47 KiB
C++
1924 lines
47 KiB
C++
// elfcpp.h -- main header file for elfcpp -*- C++ -*-
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// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012
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// Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of elfcpp.
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public License
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// as published by the Free Software Foundation; either version 2, or
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// (at your option) any later version.
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// In addition to the permissions in the GNU Library General Public
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// License, the Free Software Foundation gives you unlimited
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// permission to link the compiled version of this file into
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// combinations with other programs, and to distribute those
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// combinations without any restriction coming from the use of this
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// file. (The Library Public License restrictions do apply in other
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// respects; for example, they cover modification of the file, and
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// distribution when not linked into a combined executable.)
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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// You should have received a copy of the GNU Library General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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// 02110-1301, USA.
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// This is the external interface for elfcpp.
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#ifndef ELFCPP_H
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#define ELFCPP_H
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#include "elfcpp_swap.h"
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#include <stdint.h>
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namespace elfcpp
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{
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// Basic ELF types.
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// These types are always the same size.
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typedef uint16_t Elf_Half;
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typedef uint32_t Elf_Word;
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typedef int32_t Elf_Sword;
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typedef uint64_t Elf_Xword;
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typedef int64_t Elf_Sxword;
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// These types vary in size depending on the ELF file class. The
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// template parameter should be 32 or 64.
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template<int size>
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struct Elf_types;
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template<>
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struct Elf_types<32>
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{
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typedef uint32_t Elf_Addr;
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typedef uint32_t Elf_Off;
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typedef uint32_t Elf_WXword;
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typedef int32_t Elf_Swxword;
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};
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template<>
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struct Elf_types<64>
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{
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typedef uint64_t Elf_Addr;
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typedef uint64_t Elf_Off;
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typedef uint64_t Elf_WXword;
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typedef int64_t Elf_Swxword;
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};
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// Offsets within the Ehdr e_ident field.
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const int EI_MAG0 = 0;
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const int EI_MAG1 = 1;
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const int EI_MAG2 = 2;
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const int EI_MAG3 = 3;
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const int EI_CLASS = 4;
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const int EI_DATA = 5;
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const int EI_VERSION = 6;
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const int EI_OSABI = 7;
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const int EI_ABIVERSION = 8;
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const int EI_PAD = 9;
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const int EI_NIDENT = 16;
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// The valid values found in Ehdr e_ident[EI_MAG0 through EI_MAG3].
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const int ELFMAG0 = 0x7f;
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const int ELFMAG1 = 'E';
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const int ELFMAG2 = 'L';
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const int ELFMAG3 = 'F';
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// The valid values found in Ehdr e_ident[EI_CLASS].
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enum
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{
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ELFCLASSNONE = 0,
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ELFCLASS32 = 1,
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ELFCLASS64 = 2
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};
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// The valid values found in Ehdr e_ident[EI_DATA].
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enum
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{
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ELFDATANONE = 0,
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ELFDATA2LSB = 1,
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ELFDATA2MSB = 2
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};
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// The valid values found in Ehdr e_ident[EI_VERSION] and e_version.
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enum
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{
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EV_NONE = 0,
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EV_CURRENT = 1
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};
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// The valid values found in Ehdr e_ident[EI_OSABI].
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enum ELFOSABI
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{
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ELFOSABI_NONE = 0,
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ELFOSABI_HPUX = 1,
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ELFOSABI_NETBSD = 2,
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ELFOSABI_GNU = 3,
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// ELFOSABI_LINUX is an alias for ELFOSABI_GNU.
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ELFOSABI_LINUX = 3,
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ELFOSABI_SOLARIS = 6,
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ELFOSABI_AIX = 7,
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ELFOSABI_IRIX = 8,
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ELFOSABI_FREEBSD = 9,
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ELFOSABI_TRU64 = 10,
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ELFOSABI_MODESTO = 11,
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ELFOSABI_OPENBSD = 12,
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ELFOSABI_OPENVMS = 13,
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ELFOSABI_NSK = 14,
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ELFOSABI_AROS = 15,
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// A GNU extension for the ARM.
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ELFOSABI_ARM = 97,
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// A GNU extension for the MSP.
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ELFOSABI_STANDALONE = 255
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};
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// The valid values found in the Ehdr e_type field.
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enum ET
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{
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ET_NONE = 0,
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ET_REL = 1,
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ET_EXEC = 2,
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ET_DYN = 3,
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ET_CORE = 4,
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ET_LOOS = 0xfe00,
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ET_HIOS = 0xfeff,
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ET_LOPROC = 0xff00,
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ET_HIPROC = 0xffff
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};
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// The valid values found in the Ehdr e_machine field.
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enum EM
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{
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EM_NONE = 0,
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EM_M32 = 1,
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EM_SPARC = 2,
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EM_386 = 3,
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EM_68K = 4,
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EM_88K = 5,
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// 6 used to be EM_486
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EM_860 = 7,
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EM_MIPS = 8,
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EM_S370 = 9,
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EM_MIPS_RS3_LE = 10,
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// 11 was the old Sparc V9 ABI.
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// 12 through 14 are reserved.
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EM_PARISC = 15,
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// 16 is reserved.
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// Some old PowerPC object files use 17.
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EM_VPP500 = 17,
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EM_SPARC32PLUS = 18,
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EM_960 = 19,
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EM_PPC = 20,
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EM_PPC64 = 21,
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EM_S390 = 22,
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// 23 through 35 are served.
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EM_V800 = 36,
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EM_FR20 = 37,
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EM_RH32 = 38,
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EM_RCE = 39,
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EM_ARM = 40,
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EM_ALPHA = 41,
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EM_SH = 42,
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EM_SPARCV9 = 43,
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EM_TRICORE = 44,
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EM_ARC = 45,
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EM_H8_300 = 46,
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EM_H8_300H = 47,
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EM_H8S = 48,
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EM_H8_500 = 49,
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EM_IA_64 = 50,
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EM_MIPS_X = 51,
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EM_COLDFIRE = 52,
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EM_68HC12 = 53,
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EM_MMA = 54,
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EM_PCP = 55,
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EM_NCPU = 56,
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EM_NDR1 = 57,
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EM_STARCORE = 58,
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EM_ME16 = 59,
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EM_ST100 = 60,
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EM_TINYJ = 61,
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EM_X86_64 = 62,
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EM_PDSP = 63,
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EM_PDP10 = 64,
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EM_PDP11 = 65,
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EM_FX66 = 66,
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EM_ST9PLUS = 67,
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EM_ST7 = 68,
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EM_68HC16 = 69,
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EM_68HC11 = 70,
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EM_68HC08 = 71,
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EM_68HC05 = 72,
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EM_SVX = 73,
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EM_ST19 = 74,
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EM_VAX = 75,
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EM_CRIS = 76,
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EM_JAVELIN = 77,
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EM_FIREPATH = 78,
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EM_ZSP = 79,
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EM_MMIX = 80,
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EM_HUANY = 81,
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EM_PRISM = 82,
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EM_AVR = 83,
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EM_FR30 = 84,
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EM_D10V = 85,
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EM_D30V = 86,
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EM_V850 = 87,
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EM_M32R = 88,
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EM_MN10300 = 89,
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EM_MN10200 = 90,
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EM_PJ = 91,
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EM_OPENRISC = 92,
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EM_ARC_A5 = 93,
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EM_XTENSA = 94,
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EM_VIDEOCORE = 95,
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EM_TMM_GPP = 96,
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EM_NS32K = 97,
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EM_TPC = 98,
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// Some old picoJava object files use 99 (EM_PJ is correct).
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EM_SNP1K = 99,
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EM_ST200 = 100,
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EM_IP2K = 101,
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EM_MAX = 102,
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EM_CR = 103,
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EM_F2MC16 = 104,
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EM_MSP430 = 105,
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EM_BLACKFIN = 106,
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EM_SE_C33 = 107,
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EM_SEP = 108,
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EM_ARCA = 109,
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EM_UNICORE = 110,
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EM_ALTERA_NIOS2 = 113,
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EM_CRX = 114,
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EM_TILEGX = 191,
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// The Morph MT.
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EM_MT = 0x2530,
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// DLX.
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EM_DLX = 0x5aa5,
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// FRV.
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EM_FRV = 0x5441,
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// Infineon Technologies 16-bit microcontroller with C166-V2 core.
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EM_X16X = 0x4688,
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// Xstorym16
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EM_XSTORMY16 = 0xad45,
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// Renesas M32C
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EM_M32C = 0xfeb0,
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// Vitesse IQ2000
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EM_IQ2000 = 0xfeba,
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// NIOS
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EM_NIOS32 = 0xfebb
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// Old AVR objects used 0x1057 (EM_AVR is correct).
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// Old MSP430 objects used 0x1059 (EM_MSP430 is correct).
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// Old FR30 objects used 0x3330 (EM_FR30 is correct).
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// Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct).
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// Old D10V objects used 0x7650 (EM_D10V is correct).
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// Old D30V objects used 0x7676 (EM_D30V is correct).
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// Old IP2X objects used 0x8217 (EM_IP2K is correct).
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// Old PowerPC objects used 0x9025 (EM_PPC is correct).
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// Old Alpha objects used 0x9026 (EM_ALPHA is correct).
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// Old M32R objects used 0x9041 (EM_M32R is correct).
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// Old V850 objects used 0x9080 (EM_V850 is correct).
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// Old S/390 objects used 0xa390 (EM_S390 is correct).
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// Old Xtensa objects used 0xabc7 (EM_XTENSA is correct).
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// Old MN10300 objects used 0xbeef (EM_MN10300 is correct).
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// Old MN10200 objects used 0xdead (EM_MN10200 is correct).
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};
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// A special value found in the Ehdr e_phnum field.
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enum
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{
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// Number of program segments stored in sh_info field of first
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// section headre.
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PN_XNUM = 0xffff
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};
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// Special section indices.
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enum
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{
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SHN_UNDEF = 0,
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SHN_LORESERVE = 0xff00,
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SHN_LOPROC = 0xff00,
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SHN_HIPROC = 0xff1f,
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SHN_LOOS = 0xff20,
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SHN_HIOS = 0xff3f,
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SHN_ABS = 0xfff1,
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SHN_COMMON = 0xfff2,
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SHN_XINDEX = 0xffff,
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SHN_HIRESERVE = 0xffff,
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// Provide for initial and final section ordering in conjunction
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// with the SHF_LINK_ORDER and SHF_ORDERED section flags.
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SHN_BEFORE = 0xff00,
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SHN_AFTER = 0xff01,
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// x86_64 specific large common symbol.
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SHN_X86_64_LCOMMON = 0xff02
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};
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// The valid values found in the Shdr sh_type field.
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enum SHT
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{
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SHT_NULL = 0,
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SHT_PROGBITS = 1,
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SHT_SYMTAB = 2,
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SHT_STRTAB = 3,
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SHT_RELA = 4,
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SHT_HASH = 5,
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SHT_DYNAMIC = 6,
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SHT_NOTE = 7,
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SHT_NOBITS = 8,
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SHT_REL = 9,
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SHT_SHLIB = 10,
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SHT_DYNSYM = 11,
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SHT_INIT_ARRAY = 14,
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SHT_FINI_ARRAY = 15,
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SHT_PREINIT_ARRAY = 16,
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SHT_GROUP = 17,
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SHT_SYMTAB_SHNDX = 18,
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SHT_LOOS = 0x60000000,
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SHT_HIOS = 0x6fffffff,
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SHT_LOPROC = 0x70000000,
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SHT_HIPROC = 0x7fffffff,
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SHT_LOUSER = 0x80000000,
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SHT_HIUSER = 0xffffffff,
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// The remaining values are not in the standard.
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// Incremental build data.
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SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700,
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SHT_GNU_INCREMENTAL_SYMTAB = 0x6fff4701,
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SHT_GNU_INCREMENTAL_RELOCS = 0x6fff4702,
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SHT_GNU_INCREMENTAL_GOT_PLT = 0x6fff4703,
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// Object attributes.
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SHT_GNU_ATTRIBUTES = 0x6ffffff5,
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// GNU style dynamic hash table.
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SHT_GNU_HASH = 0x6ffffff6,
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// List of prelink dependencies.
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SHT_GNU_LIBLIST = 0x6ffffff7,
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// Versions defined by file.
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SHT_SUNW_verdef = 0x6ffffffd,
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SHT_GNU_verdef = 0x6ffffffd,
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// Versions needed by file.
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SHT_SUNW_verneed = 0x6ffffffe,
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SHT_GNU_verneed = 0x6ffffffe,
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// Symbol versions,
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SHT_SUNW_versym = 0x6fffffff,
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SHT_GNU_versym = 0x6fffffff,
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SHT_SPARC_GOTDATA = 0x70000000,
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// ARM-specific section types.
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// Exception Index table.
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SHT_ARM_EXIDX = 0x70000001,
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// BPABI DLL dynamic linking pre-emption map.
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SHT_ARM_PREEMPTMAP = 0x70000002,
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// Object file compatibility attributes.
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SHT_ARM_ATTRIBUTES = 0x70000003,
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// Support for debugging overlaid programs.
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SHT_ARM_DEBUGOVERLAY = 0x70000004,
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SHT_ARM_OVERLAYSECTION = 0x70000005,
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// x86_64 unwind information.
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SHT_X86_64_UNWIND = 0x70000001,
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//MIPS-specific section types.
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// Register info section
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SHT_MIPS_REGINFO = 0x70000006,
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// Link editor is to sort the entries in this section based on the
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// address specified in the associated symbol table entry.
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SHT_ORDERED = 0x7fffffff
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};
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// The valid bit flags found in the Shdr sh_flags field.
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enum SHF
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{
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SHF_WRITE = 0x1,
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SHF_ALLOC = 0x2,
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SHF_EXECINSTR = 0x4,
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SHF_MERGE = 0x10,
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SHF_STRINGS = 0x20,
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SHF_INFO_LINK = 0x40,
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SHF_LINK_ORDER = 0x80,
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SHF_OS_NONCONFORMING = 0x100,
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SHF_GROUP = 0x200,
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SHF_TLS = 0x400,
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SHF_MASKOS = 0x0ff00000,
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SHF_MASKPROC = 0xf0000000,
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// Indicates this section requires ordering in relation to
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// other sections of the same type. Ordered sections are
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// combined within the section pointed to by the sh_link entry.
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// The sh_info values SHN_BEFORE and SHN_AFTER imply that the
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// sorted section is to precede or follow, respectively, all
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// other sections in the set being ordered.
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SHF_ORDERED = 0x40000000,
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// This section is excluded from input to the link-edit of an
|
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// executable or shared object. This flag is ignored if SHF_ALLOC
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// is also set, or if relocations exist against the section.
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SHF_EXCLUDE = 0x80000000,
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// Section with data that is GP relative addressable.
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SHF_MIPS_GPREL = 0x10000000,
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// x86_64 specific large section.
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SHF_X86_64_LARGE = 0x10000000
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};
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// Bit flags which appear in the first 32-bit word of the section data
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// of a SHT_GROUP section.
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enum
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{
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GRP_COMDAT = 0x1,
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GRP_MASKOS = 0x0ff00000,
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GRP_MASKPROC = 0xf0000000
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};
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// The valid values found in the Phdr p_type field.
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enum PT
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{
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PT_NULL = 0,
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PT_LOAD = 1,
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PT_DYNAMIC = 2,
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PT_INTERP = 3,
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PT_NOTE = 4,
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PT_SHLIB = 5,
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PT_PHDR = 6,
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PT_TLS = 7,
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PT_LOOS = 0x60000000,
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PT_HIOS = 0x6fffffff,
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PT_LOPROC = 0x70000000,
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PT_HIPROC = 0x7fffffff,
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// The remaining values are not in the standard.
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// Frame unwind information.
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PT_GNU_EH_FRAME = 0x6474e550,
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PT_SUNW_EH_FRAME = 0x6474e550,
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// Stack flags.
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PT_GNU_STACK = 0x6474e551,
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// Read only after relocation.
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PT_GNU_RELRO = 0x6474e552,
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// Platform architecture compatibility information
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PT_ARM_ARCHEXT = 0x70000000,
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// Exception unwind tables
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PT_ARM_EXIDX = 0x70000001,
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// Register usage information. Identifies one .reginfo section.
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PT_MIPS_REGINFO =0x70000000,
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// Runtime procedure table.
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PT_MIPS_RTPROC = 0x70000001,
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// .MIPS.options section.
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PT_MIPS_OPTIONS = 0x70000002
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};
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// The valid bit flags found in the Phdr p_flags field.
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enum PF
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{
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PF_X = 0x1,
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PF_W = 0x2,
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PF_R = 0x4,
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PF_MASKOS = 0x0ff00000,
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PF_MASKPROC = 0xf0000000
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};
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// Symbol binding from Sym st_info field.
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enum STB
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{
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STB_LOCAL = 0,
|
|
STB_GLOBAL = 1,
|
|
STB_WEAK = 2,
|
|
STB_LOOS = 10,
|
|
STB_GNU_UNIQUE = 10,
|
|
STB_HIOS = 12,
|
|
STB_LOPROC = 13,
|
|
STB_HIPROC = 15
|
|
};
|
|
|
|
// Symbol types from Sym st_info field.
|
|
|
|
enum STT
|
|
{
|
|
STT_NOTYPE = 0,
|
|
STT_OBJECT = 1,
|
|
STT_FUNC = 2,
|
|
STT_SECTION = 3,
|
|
STT_FILE = 4,
|
|
STT_COMMON = 5,
|
|
STT_TLS = 6,
|
|
|
|
// GNU extension: symbol value points to a function which is called
|
|
// at runtime to determine the final value of the symbol.
|
|
STT_GNU_IFUNC = 10,
|
|
|
|
STT_LOOS = 10,
|
|
STT_HIOS = 12,
|
|
STT_LOPROC = 13,
|
|
STT_HIPROC = 15,
|
|
|
|
// The section type that must be used for register symbols on
|
|
// Sparc. These symbols initialize a global register.
|
|
STT_SPARC_REGISTER = 13,
|
|
|
|
// ARM: a THUMB function. This is not defined in ARM ELF Specification but
|
|
// used by the GNU tool-chain.
|
|
STT_ARM_TFUNC = 13
|
|
};
|
|
|
|
inline STB
|
|
elf_st_bind(unsigned char info)
|
|
{
|
|
return static_cast<STB>(info >> 4);
|
|
}
|
|
|
|
inline STT
|
|
elf_st_type(unsigned char info)
|
|
{
|
|
return static_cast<STT>(info & 0xf);
|
|
}
|
|
|
|
inline unsigned char
|
|
elf_st_info(STB bind, STT type)
|
|
{
|
|
return ((static_cast<unsigned char>(bind) << 4)
|
|
+ (static_cast<unsigned char>(type) & 0xf));
|
|
}
|
|
|
|
// Symbol visibility from Sym st_other field.
|
|
|
|
enum STV
|
|
{
|
|
STV_DEFAULT = 0,
|
|
STV_INTERNAL = 1,
|
|
STV_HIDDEN = 2,
|
|
STV_PROTECTED = 3
|
|
};
|
|
|
|
inline STV
|
|
elf_st_visibility(unsigned char other)
|
|
{
|
|
return static_cast<STV>(other & 0x3);
|
|
}
|
|
|
|
inline unsigned char
|
|
elf_st_nonvis(unsigned char other)
|
|
{
|
|
return static_cast<STV>(other >> 2);
|
|
}
|
|
|
|
inline unsigned char
|
|
elf_st_other(STV vis, unsigned char nonvis)
|
|
{
|
|
return ((nonvis << 2)
|
|
+ (static_cast<unsigned char>(vis) & 3));
|
|
}
|
|
|
|
// Reloc information from Rel/Rela r_info field.
|
|
|
|
template<int size>
|
|
unsigned int
|
|
elf_r_sym(typename Elf_types<size>::Elf_WXword);
|
|
|
|
template<>
|
|
inline unsigned int
|
|
elf_r_sym<32>(Elf_Word v)
|
|
{
|
|
return v >> 8;
|
|
}
|
|
|
|
template<>
|
|
inline unsigned int
|
|
elf_r_sym<64>(Elf_Xword v)
|
|
{
|
|
return v >> 32;
|
|
}
|
|
|
|
template<int size>
|
|
unsigned int
|
|
elf_r_type(typename Elf_types<size>::Elf_WXword);
|
|
|
|
template<>
|
|
inline unsigned int
|
|
elf_r_type<32>(Elf_Word v)
|
|
{
|
|
return v & 0xff;
|
|
}
|
|
|
|
template<>
|
|
inline unsigned int
|
|
elf_r_type<64>(Elf_Xword v)
|
|
{
|
|
return v & 0xffffffff;
|
|
}
|
|
|
|
template<int size>
|
|
typename Elf_types<size>::Elf_WXword
|
|
elf_r_info(unsigned int s, unsigned int t);
|
|
|
|
template<>
|
|
inline Elf_Word
|
|
elf_r_info<32>(unsigned int s, unsigned int t)
|
|
{
|
|
return (s << 8) + (t & 0xff);
|
|
}
|
|
|
|
template<>
|
|
inline Elf_Xword
|
|
elf_r_info<64>(unsigned int s, unsigned int t)
|
|
{
|
|
return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
|
|
}
|
|
|
|
// Dynamic tags found in the PT_DYNAMIC segment.
|
|
|
|
enum DT
|
|
{
|
|
DT_NULL = 0,
|
|
DT_NEEDED = 1,
|
|
DT_PLTRELSZ = 2,
|
|
DT_PLTGOT = 3,
|
|
DT_HASH = 4,
|
|
DT_STRTAB = 5,
|
|
DT_SYMTAB = 6,
|
|
DT_RELA = 7,
|
|
DT_RELASZ = 8,
|
|
DT_RELAENT = 9,
|
|
DT_STRSZ = 10,
|
|
DT_SYMENT = 11,
|
|
DT_INIT = 12,
|
|
DT_FINI = 13,
|
|
DT_SONAME = 14,
|
|
DT_RPATH = 15,
|
|
DT_SYMBOLIC = 16,
|
|
DT_REL = 17,
|
|
DT_RELSZ = 18,
|
|
DT_RELENT = 19,
|
|
DT_PLTREL = 20,
|
|
DT_DEBUG = 21,
|
|
DT_TEXTREL = 22,
|
|
DT_JMPREL = 23,
|
|
DT_BIND_NOW = 24,
|
|
DT_INIT_ARRAY = 25,
|
|
DT_FINI_ARRAY = 26,
|
|
DT_INIT_ARRAYSZ = 27,
|
|
DT_FINI_ARRAYSZ = 28,
|
|
DT_RUNPATH = 29,
|
|
DT_FLAGS = 30,
|
|
|
|
// This is used to mark a range of dynamic tags. It is not really
|
|
// a tag value.
|
|
DT_ENCODING = 32,
|
|
|
|
DT_PREINIT_ARRAY = 32,
|
|
DT_PREINIT_ARRAYSZ = 33,
|
|
DT_LOOS = 0x6000000d,
|
|
DT_HIOS = 0x6ffff000,
|
|
DT_LOPROC = 0x70000000,
|
|
DT_HIPROC = 0x7fffffff,
|
|
|
|
// The remaining values are extensions used by GNU or Solaris.
|
|
DT_VALRNGLO = 0x6ffffd00,
|
|
DT_GNU_PRELINKED = 0x6ffffdf5,
|
|
DT_GNU_CONFLICTSZ = 0x6ffffdf6,
|
|
DT_GNU_LIBLISTSZ = 0x6ffffdf7,
|
|
DT_CHECKSUM = 0x6ffffdf8,
|
|
DT_PLTPADSZ = 0x6ffffdf9,
|
|
DT_MOVEENT = 0x6ffffdfa,
|
|
DT_MOVESZ = 0x6ffffdfb,
|
|
DT_FEATURE = 0x6ffffdfc,
|
|
DT_POSFLAG_1 = 0x6ffffdfd,
|
|
DT_SYMINSZ = 0x6ffffdfe,
|
|
DT_SYMINENT = 0x6ffffdff,
|
|
DT_VALRNGHI = 0x6ffffdff,
|
|
|
|
DT_ADDRRNGLO = 0x6ffffe00,
|
|
DT_GNU_HASH = 0x6ffffef5,
|
|
DT_TLSDESC_PLT = 0x6ffffef6,
|
|
DT_TLSDESC_GOT = 0x6ffffef7,
|
|
DT_GNU_CONFLICT = 0x6ffffef8,
|
|
DT_GNU_LIBLIST = 0x6ffffef9,
|
|
DT_CONFIG = 0x6ffffefa,
|
|
DT_DEPAUDIT = 0x6ffffefb,
|
|
DT_AUDIT = 0x6ffffefc,
|
|
DT_PLTPAD = 0x6ffffefd,
|
|
DT_MOVETAB = 0x6ffffefe,
|
|
DT_SYMINFO = 0x6ffffeff,
|
|
DT_ADDRRNGHI = 0x6ffffeff,
|
|
|
|
DT_RELACOUNT = 0x6ffffff9,
|
|
DT_RELCOUNT = 0x6ffffffa,
|
|
DT_FLAGS_1 = 0x6ffffffb,
|
|
DT_VERDEF = 0x6ffffffc,
|
|
DT_VERDEFNUM = 0x6ffffffd,
|
|
DT_VERNEED = 0x6ffffffe,
|
|
DT_VERNEEDNUM = 0x6fffffff,
|
|
|
|
DT_VERSYM = 0x6ffffff0,
|
|
|
|
// Specify the value of _GLOBAL_OFFSET_TABLE_.
|
|
DT_PPC_GOT = 0x70000000,
|
|
|
|
// Specify the start of the .glink section.
|
|
DT_PPC64_GLINK = 0x70000000,
|
|
|
|
// Specify the start and size of the .opd section.
|
|
DT_PPC64_OPD = 0x70000001,
|
|
DT_PPC64_OPDSZ = 0x70000002,
|
|
|
|
// The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
|
|
// symbol table. One dynamic entry exists for every STT_SPARC_REGISTER
|
|
// symbol in the symbol table.
|
|
DT_SPARC_REGISTER = 0x70000001,
|
|
|
|
// MIPS specific dynamic array tags.
|
|
// 32 bit version number for runtime linker interface.
|
|
DT_MIPS_RLD_VERSION = 0x70000001,
|
|
// Time stamp.
|
|
DT_MIPS_TIME_STAMP = 0x70000002,
|
|
// Checksum of external strings and common sizes.
|
|
DT_MIPS_ICHECKSUM = 0x70000003,
|
|
// Index of version string in string table.
|
|
DT_MIPS_IVERSION = 0x70000004,
|
|
// 32 bits of flags.
|
|
DT_MIPS_FLAGS = 0x70000005,
|
|
// Base address of the segment.
|
|
DT_MIPS_BASE_ADDRESS = 0x70000006,
|
|
// ???
|
|
DT_MIPS_MSYM = 0x70000007,
|
|
// Address of .conflict section.
|
|
DT_MIPS_CONFLICT = 0x70000008,
|
|
// Address of .liblist section.
|
|
DT_MIPS_LIBLIST = 0x70000009,
|
|
// Number of local global offset table entries.
|
|
DT_MIPS_LOCAL_GOTNO = 0x7000000a,
|
|
// Number of entries in the .conflict section.
|
|
DT_MIPS_CONFLICTNO = 0x7000000b,
|
|
// Number of entries in the .liblist section.
|
|
DT_MIPS_LIBLISTNO = 0x70000010,
|
|
// Number of entries in the .dynsym section.
|
|
DT_MIPS_SYMTABNO = 0x70000011,
|
|
// Index of first external dynamic symbol not referenced locally.
|
|
DT_MIPS_UNREFEXTNO = 0x70000012,
|
|
// Index of first dynamic symbol in global offset table.
|
|
DT_MIPS_GOTSYM = 0x70000013,
|
|
// Number of page table entries in global offset table.
|
|
DT_MIPS_HIPAGENO = 0x70000014,
|
|
// Address of run time loader map, used for debugging.
|
|
DT_MIPS_RLD_MAP = 0x70000016,
|
|
// Delta C++ class definition.
|
|
DT_MIPS_DELTA_CLASS = 0x70000017,
|
|
// Number of entries in DT_MIPS_DELTA_CLASS.
|
|
DT_MIPS_DELTA_CLASS_NO = 0x70000018,
|
|
// Delta C++ class instances.
|
|
DT_MIPS_DELTA_INSTANCE = 0x70000019,
|
|
// Number of entries in DT_MIPS_DELTA_INSTANCE.
|
|
DT_MIPS_DELTA_INSTANCE_NO = 0x7000001a,
|
|
// Delta relocations.
|
|
DT_MIPS_DELTA_RELOC = 0x7000001b,
|
|
// Number of entries in DT_MIPS_DELTA_RELOC.
|
|
DT_MIPS_DELTA_RELOC_NO = 0x7000001c,
|
|
// Delta symbols that Delta relocations refer to.
|
|
DT_MIPS_DELTA_SYM = 0x7000001d,
|
|
// Number of entries in DT_MIPS_DELTA_SYM.
|
|
DT_MIPS_DELTA_SYM_NO = 0x7000001e,
|
|
// Delta symbols that hold class declarations.
|
|
DT_MIPS_DELTA_CLASSSYM = 0x70000020,
|
|
// Number of entries in DT_MIPS_DELTA_CLASSSYM.
|
|
DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021,
|
|
// Flags indicating information about C++ flavor.
|
|
DT_MIPS_CXX_FLAGS = 0x70000022,
|
|
// Pixie information (???).
|
|
DT_MIPS_PIXIE_INIT = 0x70000023,
|
|
// Address of .MIPS.symlib
|
|
DT_MIPS_SYMBOL_LIB = 0x70000024,
|
|
// The GOT index of the first PTE for a segment
|
|
DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025,
|
|
// The GOT index of the first PTE for a local symbol
|
|
DT_MIPS_LOCAL_GOTIDX = 0x70000026,
|
|
// The GOT index of the first PTE for a hidden symbol
|
|
DT_MIPS_HIDDEN_GOTIDX = 0x70000027,
|
|
// The GOT index of the first PTE for a protected symbol
|
|
DT_MIPS_PROTECTED_GOTIDX = 0x70000028,
|
|
// Address of `.MIPS.options'.
|
|
DT_MIPS_OPTIONS = 0x70000029,
|
|
// Address of `.interface'.
|
|
DT_MIPS_INTERFACE = 0x7000002a,
|
|
// ???
|
|
DT_MIPS_DYNSTR_ALIGN = 0x7000002b,
|
|
// Size of the .interface section.
|
|
DT_MIPS_INTERFACE_SIZE = 0x7000002c,
|
|
// Size of rld_text_resolve function stored in the GOT.
|
|
DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002d,
|
|
// Default suffix of DSO to be added by rld on dlopen() calls.
|
|
DT_MIPS_PERF_SUFFIX = 0x7000002e,
|
|
// Size of compact relocation section (O32).
|
|
DT_MIPS_COMPACT_SIZE = 0x7000002f,
|
|
// GP value for auxiliary GOTs.
|
|
DT_MIPS_GP_VALUE = 0x70000030,
|
|
// Address of auxiliary .dynamic.
|
|
DT_MIPS_AUX_DYNAMIC = 0x70000031,
|
|
// Address of the base of the PLTGOT.
|
|
DT_MIPS_PLTGOT = 0x70000032,
|
|
// Points to the base of a writable PLT.
|
|
DT_MIPS_RWPLT = 0x70000034,
|
|
|
|
DT_AUXILIARY = 0x7ffffffd,
|
|
DT_USED = 0x7ffffffe,
|
|
DT_FILTER = 0x7fffffff
|
|
};
|
|
|
|
// Flags found in the DT_FLAGS dynamic element.
|
|
|
|
enum DF
|
|
{
|
|
DF_ORIGIN = 0x1,
|
|
DF_SYMBOLIC = 0x2,
|
|
DF_TEXTREL = 0x4,
|
|
DF_BIND_NOW = 0x8,
|
|
DF_STATIC_TLS = 0x10
|
|
};
|
|
|
|
// Flags found in the DT_FLAGS_1 dynamic element.
|
|
|
|
enum DF_1
|
|
{
|
|
DF_1_NOW = 0x1,
|
|
DF_1_GLOBAL = 0x2,
|
|
DF_1_GROUP = 0x4,
|
|
DF_1_NODELETE = 0x8,
|
|
DF_1_LOADFLTR = 0x10,
|
|
DF_1_INITFIRST = 0x20,
|
|
DF_1_NOOPEN = 0x40,
|
|
DF_1_ORIGIN = 0x80,
|
|
DF_1_DIRECT = 0x100,
|
|
DF_1_TRANS = 0x200,
|
|
DF_1_INTERPOSE = 0x400,
|
|
DF_1_NODEFLIB = 0x800,
|
|
DF_1_NODUMP = 0x1000,
|
|
DF_1_CONLFAT = 0x2000
|
|
};
|
|
|
|
// Version numbers which appear in the vd_version field of a Verdef
|
|
// structure.
|
|
|
|
const int VER_DEF_NONE = 0;
|
|
const int VER_DEF_CURRENT = 1;
|
|
|
|
// Version numbers which appear in the vn_version field of a Verneed
|
|
// structure.
|
|
|
|
const int VER_NEED_NONE = 0;
|
|
const int VER_NEED_CURRENT = 1;
|
|
|
|
// Bit flags which appear in vd_flags of Verdef and vna_flags of
|
|
// Vernaux.
|
|
|
|
const int VER_FLG_BASE = 0x1;
|
|
const int VER_FLG_WEAK = 0x2;
|
|
const int VER_FLG_INFO = 0x4;
|
|
|
|
// Special constants found in the SHT_GNU_versym entries.
|
|
|
|
const int VER_NDX_LOCAL = 0;
|
|
const int VER_NDX_GLOBAL = 1;
|
|
|
|
// A SHT_GNU_versym section holds 16-bit words. This bit is set if
|
|
// the symbol is hidden and can only be seen when referenced using an
|
|
// explicit version number. This is a GNU extension.
|
|
|
|
const int VERSYM_HIDDEN = 0x8000;
|
|
|
|
// This is the mask for the rest of the data in a word read from a
|
|
// SHT_GNU_versym section.
|
|
|
|
const int VERSYM_VERSION = 0x7fff;
|
|
|
|
// Note descriptor type codes for notes in a non-core file with an
|
|
// empty name.
|
|
|
|
enum
|
|
{
|
|
// A version string.
|
|
NT_VERSION = 1,
|
|
// An architecture string.
|
|
NT_ARCH = 2
|
|
};
|
|
|
|
// Note descriptor type codes for notes in a non-core file with the
|
|
// name "GNU".
|
|
|
|
enum
|
|
{
|
|
// The minimum ABI level. This is used by the dynamic linker to
|
|
// describe the minimal kernel version on which a shared library may
|
|
// be used. Th value should be four words. Word 0 is an OS
|
|
// descriptor (see below). Word 1 is the major version of the ABI.
|
|
// Word 2 is the minor version. Word 3 is the subminor version.
|
|
NT_GNU_ABI_TAG = 1,
|
|
// Hardware capabilities information. Word 0 is the number of
|
|
// entries. Word 1 is a bitmask of enabled entries. The rest of
|
|
// the descriptor is a series of entries, where each entry is a
|
|
// single byte followed by a nul terminated string. The byte gives
|
|
// the bit number to test if enabled in the bitmask.
|
|
NT_GNU_HWCAP = 2,
|
|
// The build ID as set by the linker's --build-id option. The
|
|
// format of the descriptor depends on the build ID style.
|
|
NT_GNU_BUILD_ID = 3,
|
|
// The version of gold used to link. Th descriptor is just a
|
|
// string.
|
|
NT_GNU_GOLD_VERSION = 4
|
|
};
|
|
|
|
// The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
|
|
|
|
enum
|
|
{
|
|
ELF_NOTE_OS_LINUX = 0,
|
|
ELF_NOTE_OS_GNU = 1,
|
|
ELF_NOTE_OS_SOLARIS2 = 2,
|
|
ELF_NOTE_OS_FREEBSD = 3,
|
|
ELF_NOTE_OS_NETBSD = 4,
|
|
ELF_NOTE_OS_SYLLABLE = 5
|
|
};
|
|
|
|
} // End namespace elfcpp.
|
|
|
|
// Include internal details after defining the types.
|
|
#include "elfcpp_internal.h"
|
|
|
|
namespace elfcpp
|
|
{
|
|
|
|
// The offset of the ELF file header in the ELF file.
|
|
|
|
const int file_header_offset = 0;
|
|
|
|
// ELF structure sizes.
|
|
|
|
template<int size>
|
|
struct Elf_sizes
|
|
{
|
|
// Size of ELF file header.
|
|
static const int ehdr_size = sizeof(internal::Ehdr_data<size>);
|
|
// Size of ELF segment header.
|
|
static const int phdr_size = sizeof(internal::Phdr_data<size>);
|
|
// Size of ELF section header.
|
|
static const int shdr_size = sizeof(internal::Shdr_data<size>);
|
|
// Size of ELF symbol table entry.
|
|
static const int sym_size = sizeof(internal::Sym_data<size>);
|
|
// Sizes of ELF reloc entries.
|
|
static const int rel_size = sizeof(internal::Rel_data<size>);
|
|
static const int rela_size = sizeof(internal::Rela_data<size>);
|
|
// Size of ELF dynamic entry.
|
|
static const int dyn_size = sizeof(internal::Dyn_data<size>);
|
|
// Size of ELF version structures.
|
|
static const int verdef_size = sizeof(internal::Verdef_data);
|
|
static const int verdaux_size = sizeof(internal::Verdaux_data);
|
|
static const int verneed_size = sizeof(internal::Verneed_data);
|
|
static const int vernaux_size = sizeof(internal::Vernaux_data);
|
|
};
|
|
|
|
// Accessor class for the ELF file header.
|
|
|
|
template<int size, bool big_endian>
|
|
class Ehdr
|
|
{
|
|
public:
|
|
Ehdr(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p))
|
|
{ }
|
|
|
|
template<typename File>
|
|
Ehdr(File* file, typename File::Location loc)
|
|
: p_(reinterpret_cast<const internal::Ehdr_data<size>*>(
|
|
file->view(loc.file_offset, loc.data_size).data()))
|
|
{ }
|
|
|
|
const unsigned char*
|
|
get_e_ident() const
|
|
{ return this->p_->e_ident; }
|
|
|
|
Elf_Half
|
|
get_e_type() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->e_type); }
|
|
|
|
Elf_Half
|
|
get_e_machine() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->e_machine); }
|
|
|
|
Elf_Word
|
|
get_e_version() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->e_version); }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_e_entry() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->e_entry); }
|
|
|
|
typename Elf_types<size>::Elf_Off
|
|
get_e_phoff() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->e_phoff); }
|
|
|
|
typename Elf_types<size>::Elf_Off
|
|
get_e_shoff() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->e_shoff); }
|
|
|
|
Elf_Word
|
|
get_e_flags() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->e_flags); }
|
|
|
|
Elf_Half
|
|
get_e_ehsize() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); }
|
|
|
|
Elf_Half
|
|
get_e_phentsize() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); }
|
|
|
|
Elf_Half
|
|
get_e_phnum() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->e_phnum); }
|
|
|
|
Elf_Half
|
|
get_e_shentsize() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); }
|
|
|
|
Elf_Half
|
|
get_e_shnum() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->e_shnum); }
|
|
|
|
Elf_Half
|
|
get_e_shstrndx() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); }
|
|
|
|
private:
|
|
const internal::Ehdr_data<size>* p_;
|
|
};
|
|
|
|
// Write class for the ELF file header.
|
|
|
|
template<int size, bool big_endian>
|
|
class Ehdr_write
|
|
{
|
|
public:
|
|
Ehdr_write(unsigned char* p)
|
|
: p_(reinterpret_cast<internal::Ehdr_data<size>*>(p))
|
|
{ }
|
|
|
|
void
|
|
put_e_ident(const unsigned char v[EI_NIDENT]) const
|
|
{ memcpy(this->p_->e_ident, v, EI_NIDENT); }
|
|
|
|
void
|
|
put_e_type(Elf_Half v)
|
|
{ this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_e_machine(Elf_Half v)
|
|
{ this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_e_version(Elf_Word v)
|
|
{ this->p_->e_version = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_e_entry(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->e_entry = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_e_phoff(typename Elf_types<size>::Elf_Off v)
|
|
{ this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_e_shoff(typename Elf_types<size>::Elf_Off v)
|
|
{ this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_e_flags(Elf_Word v)
|
|
{ this->p_->e_flags = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_e_ehsize(Elf_Half v)
|
|
{ this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_e_phentsize(Elf_Half v)
|
|
{ this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_e_phnum(Elf_Half v)
|
|
{ this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_e_shentsize(Elf_Half v)
|
|
{ this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_e_shnum(Elf_Half v)
|
|
{ this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_e_shstrndx(Elf_Half v)
|
|
{ this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
private:
|
|
internal::Ehdr_data<size>* p_;
|
|
};
|
|
|
|
// Accessor class for an ELF section header.
|
|
|
|
template<int size, bool big_endian>
|
|
class Shdr
|
|
{
|
|
public:
|
|
Shdr(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Shdr_data<size>*>(p))
|
|
{ }
|
|
|
|
template<typename File>
|
|
Shdr(File* file, typename File::Location loc)
|
|
: p_(reinterpret_cast<const internal::Shdr_data<size>*>(
|
|
file->view(loc.file_offset, loc.data_size).data()))
|
|
{ }
|
|
|
|
Elf_Word
|
|
get_sh_name() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->sh_name); }
|
|
|
|
Elf_Word
|
|
get_sh_type() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->sh_type); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_sh_flags() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->sh_flags); }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_sh_addr() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->sh_addr); }
|
|
|
|
typename Elf_types<size>::Elf_Off
|
|
get_sh_offset() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->sh_offset); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_sh_size() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->sh_size); }
|
|
|
|
Elf_Word
|
|
get_sh_link() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->sh_link); }
|
|
|
|
Elf_Word
|
|
get_sh_info() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->sh_info); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_sh_addralign() const
|
|
{ return
|
|
Convert<size, big_endian>::convert_host(this->p_->sh_addralign); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_sh_entsize() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); }
|
|
|
|
private:
|
|
const internal::Shdr_data<size>* p_;
|
|
};
|
|
|
|
// Write class for an ELF section header.
|
|
|
|
template<int size, bool big_endian>
|
|
class Shdr_write
|
|
{
|
|
public:
|
|
Shdr_write(unsigned char* p)
|
|
: p_(reinterpret_cast<internal::Shdr_data<size>*>(p))
|
|
{ }
|
|
|
|
void
|
|
put_sh_name(Elf_Word v)
|
|
{ this->p_->sh_name = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_sh_type(Elf_Word v)
|
|
{ this->p_->sh_type = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_sh_flags(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_sh_addr(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_sh_offset(typename Elf_types<size>::Elf_Off v)
|
|
{ this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_sh_size(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->sh_size = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_sh_link(Elf_Word v)
|
|
{ this->p_->sh_link = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_sh_info(Elf_Word v)
|
|
{ this->p_->sh_info = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_sh_addralign(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_sh_entsize(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
private:
|
|
internal::Shdr_data<size>* p_;
|
|
};
|
|
|
|
// Accessor class for an ELF segment header.
|
|
|
|
template<int size, bool big_endian>
|
|
class Phdr
|
|
{
|
|
public:
|
|
Phdr(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Phdr_data<size>*>(p))
|
|
{ }
|
|
|
|
template<typename File>
|
|
Phdr(File* file, typename File::Location loc)
|
|
: p_(reinterpret_cast<internal::Phdr_data<size>*>(
|
|
file->view(loc.file_offset, loc.data_size).data()))
|
|
{ }
|
|
|
|
Elf_Word
|
|
get_p_type() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->p_type); }
|
|
|
|
typename Elf_types<size>::Elf_Off
|
|
get_p_offset() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->p_offset); }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_p_vaddr() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_p_paddr() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->p_paddr); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_p_filesz() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->p_filesz); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_p_memsz() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->p_memsz); }
|
|
|
|
Elf_Word
|
|
get_p_flags() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->p_flags); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_p_align() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->p_align); }
|
|
|
|
private:
|
|
const internal::Phdr_data<size>* p_;
|
|
};
|
|
|
|
// Write class for an ELF segment header.
|
|
|
|
template<int size, bool big_endian>
|
|
class Phdr_write
|
|
{
|
|
public:
|
|
Phdr_write(unsigned char* p)
|
|
: p_(reinterpret_cast<internal::Phdr_data<size>*>(p))
|
|
{ }
|
|
|
|
void
|
|
put_p_type(Elf_Word v)
|
|
{ this->p_->p_type = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_p_offset(typename Elf_types<size>::Elf_Off v)
|
|
{ this->p_->p_offset = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_p_vaddr(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_p_paddr(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_p_filesz(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_p_memsz(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_p_flags(Elf_Word v)
|
|
{ this->p_->p_flags = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_p_align(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->p_align = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
private:
|
|
internal::Phdr_data<size>* p_;
|
|
};
|
|
|
|
// Accessor class for an ELF symbol table entry.
|
|
|
|
template<int size, bool big_endian>
|
|
class Sym
|
|
{
|
|
public:
|
|
Sym(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Sym_data<size>*>(p))
|
|
{ }
|
|
|
|
template<typename File>
|
|
Sym(File* file, typename File::Location loc)
|
|
: p_(reinterpret_cast<const internal::Sym_data<size>*>(
|
|
file->view(loc.file_offset, loc.data_size).data()))
|
|
{ }
|
|
|
|
Elf_Word
|
|
get_st_name() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->st_name); }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_st_value() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->st_value); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_st_size() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->st_size); }
|
|
|
|
unsigned char
|
|
get_st_info() const
|
|
{ return this->p_->st_info; }
|
|
|
|
STB
|
|
get_st_bind() const
|
|
{ return elf_st_bind(this->get_st_info()); }
|
|
|
|
STT
|
|
get_st_type() const
|
|
{ return elf_st_type(this->get_st_info()); }
|
|
|
|
unsigned char
|
|
get_st_other() const
|
|
{ return this->p_->st_other; }
|
|
|
|
STV
|
|
get_st_visibility() const
|
|
{ return elf_st_visibility(this->get_st_other()); }
|
|
|
|
unsigned char
|
|
get_st_nonvis() const
|
|
{ return elf_st_nonvis(this->get_st_other()); }
|
|
|
|
Elf_Half
|
|
get_st_shndx() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->st_shndx); }
|
|
|
|
private:
|
|
const internal::Sym_data<size>* p_;
|
|
};
|
|
|
|
// Writer class for an ELF symbol table entry.
|
|
|
|
template<int size, bool big_endian>
|
|
class Sym_write
|
|
{
|
|
public:
|
|
Sym_write(unsigned char* p)
|
|
: p_(reinterpret_cast<internal::Sym_data<size>*>(p))
|
|
{ }
|
|
|
|
void
|
|
put_st_name(Elf_Word v)
|
|
{ this->p_->st_name = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_st_value(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->st_value = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_st_size(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->st_size = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_st_info(unsigned char v)
|
|
{ this->p_->st_info = v; }
|
|
|
|
void
|
|
put_st_info(STB bind, STT type)
|
|
{ this->p_->st_info = elf_st_info(bind, type); }
|
|
|
|
void
|
|
put_st_other(unsigned char v)
|
|
{ this->p_->st_other = v; }
|
|
|
|
void
|
|
put_st_other(STV vis, unsigned char nonvis)
|
|
{ this->p_->st_other = elf_st_other(vis, nonvis); }
|
|
|
|
void
|
|
put_st_shndx(Elf_Half v)
|
|
{ this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
Sym<size, big_endian>
|
|
sym()
|
|
{ return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); }
|
|
|
|
private:
|
|
internal::Sym_data<size>* p_;
|
|
};
|
|
|
|
// Accessor classes for an ELF REL relocation entry.
|
|
|
|
template<int size, bool big_endian>
|
|
class Rel
|
|
{
|
|
public:
|
|
Rel(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Rel_data<size>*>(p))
|
|
{ }
|
|
|
|
template<typename File>
|
|
Rel(File* file, typename File::Location loc)
|
|
: p_(reinterpret_cast<const internal::Rel_data<size>*>(
|
|
file->view(loc.file_offset, loc.data_size).data()))
|
|
{ }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_r_offset() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_r_info() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->r_info); }
|
|
|
|
private:
|
|
const internal::Rel_data<size>* p_;
|
|
};
|
|
|
|
// Writer class for an ELF Rel relocation.
|
|
|
|
template<int size, bool big_endian>
|
|
class Rel_write
|
|
{
|
|
public:
|
|
Rel_write(unsigned char* p)
|
|
: p_(reinterpret_cast<internal::Rel_data<size>*>(p))
|
|
{ }
|
|
|
|
void
|
|
put_r_offset(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_r_info(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
private:
|
|
internal::Rel_data<size>* p_;
|
|
};
|
|
|
|
// Accessor class for an ELF Rela relocation.
|
|
|
|
template<int size, bool big_endian>
|
|
class Rela
|
|
{
|
|
public:
|
|
Rela(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Rela_data<size>*>(p))
|
|
{ }
|
|
|
|
template<typename File>
|
|
Rela(File* file, typename File::Location loc)
|
|
: p_(reinterpret_cast<const internal::Rela_data<size>*>(
|
|
file->view(loc.file_offset, loc.data_size).data()))
|
|
{ }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_r_offset() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_r_info() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->r_info); }
|
|
|
|
typename Elf_types<size>::Elf_Swxword
|
|
get_r_addend() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->r_addend); }
|
|
|
|
private:
|
|
const internal::Rela_data<size>* p_;
|
|
};
|
|
|
|
// Writer class for an ELF Rela relocation.
|
|
|
|
template<int size, bool big_endian>
|
|
class Rela_write
|
|
{
|
|
public:
|
|
Rela_write(unsigned char* p)
|
|
: p_(reinterpret_cast<internal::Rela_data<size>*>(p))
|
|
{ }
|
|
|
|
void
|
|
put_r_offset(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_r_info(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_r_addend(typename Elf_types<size>::Elf_Swxword v)
|
|
{ this->p_->r_addend = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
private:
|
|
internal::Rela_data<size>* p_;
|
|
};
|
|
|
|
// Accessor classes for entries in the ELF SHT_DYNAMIC section aka
|
|
// PT_DYNAMIC segment.
|
|
|
|
template<int size, bool big_endian>
|
|
class Dyn
|
|
{
|
|
public:
|
|
Dyn(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Dyn_data<size>*>(p))
|
|
{ }
|
|
|
|
template<typename File>
|
|
Dyn(File* file, typename File::Location loc)
|
|
: p_(reinterpret_cast<const internal::Dyn_data<size>*>(
|
|
file->view(loc.file_offset, loc.data_size).data()))
|
|
{ }
|
|
|
|
typename Elf_types<size>::Elf_Swxword
|
|
get_d_tag() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->d_tag); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_d_val() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->d_val); }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_d_ptr() const
|
|
{ return Convert<size, big_endian>::convert_host(this->p_->d_val); }
|
|
|
|
private:
|
|
const internal::Dyn_data<size>* p_;
|
|
};
|
|
|
|
// Write class for an entry in the SHT_DYNAMIC section.
|
|
|
|
template<int size, bool big_endian>
|
|
class Dyn_write
|
|
{
|
|
public:
|
|
Dyn_write(unsigned char* p)
|
|
: p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
|
|
{ }
|
|
|
|
void
|
|
put_d_tag(typename Elf_types<size>::Elf_Swxword v)
|
|
{ this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_d_val(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
put_d_ptr(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
|
|
|
|
private:
|
|
internal::Dyn_data<size>* p_;
|
|
};
|
|
|
|
// Accessor classes for entries in the ELF SHT_GNU_verdef section.
|
|
|
|
template<int size, bool big_endian>
|
|
class Verdef
|
|
{
|
|
public:
|
|
Verdef(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Verdef_data*>(p))
|
|
{ }
|
|
|
|
template<typename File>
|
|
Verdef(File* file, typename File::Location loc)
|
|
: p_(reinterpret_cast<const internal::Verdef_data*>(
|
|
file->view(loc.file_offset, loc.data_size).data()))
|
|
{ }
|
|
|
|
Elf_Half
|
|
get_vd_version() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->vd_version); }
|
|
|
|
Elf_Half
|
|
get_vd_flags() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->vd_flags); }
|
|
|
|
Elf_Half
|
|
get_vd_ndx() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); }
|
|
|
|
Elf_Half
|
|
get_vd_cnt() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); }
|
|
|
|
Elf_Word
|
|
get_vd_hash() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->vd_hash); }
|
|
|
|
Elf_Word
|
|
get_vd_aux() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->vd_aux); }
|
|
|
|
Elf_Word
|
|
get_vd_next() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->vd_next); }
|
|
|
|
private:
|
|
const internal::Verdef_data* p_;
|
|
};
|
|
|
|
template<int size, bool big_endian>
|
|
class Verdef_write
|
|
{
|
|
public:
|
|
Verdef_write(unsigned char* p)
|
|
: p_(reinterpret_cast<internal::Verdef_data*>(p))
|
|
{ }
|
|
|
|
void
|
|
set_vd_version(Elf_Half v)
|
|
{ this->p_->vd_version = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vd_flags(Elf_Half v)
|
|
{ this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vd_ndx(Elf_Half v)
|
|
{ this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vd_cnt(Elf_Half v)
|
|
{ this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vd_hash(Elf_Word v)
|
|
{ this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vd_aux(Elf_Word v)
|
|
{ this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vd_next(Elf_Word v)
|
|
{ this->p_->vd_next = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
private:
|
|
internal::Verdef_data* p_;
|
|
};
|
|
|
|
// Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
|
|
// section.
|
|
|
|
template<int size, bool big_endian>
|
|
class Verdaux
|
|
{
|
|
public:
|
|
Verdaux(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Verdaux_data*>(p))
|
|
{ }
|
|
|
|
template<typename File>
|
|
Verdaux(File* file, typename File::Location loc)
|
|
: p_(reinterpret_cast<const internal::Verdaux_data*>(
|
|
file->view(loc.file_offset, loc.data_size).data()))
|
|
{ }
|
|
|
|
Elf_Word
|
|
get_vda_name() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->vda_name); }
|
|
|
|
Elf_Word
|
|
get_vda_next() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->vda_next); }
|
|
|
|
private:
|
|
const internal::Verdaux_data* p_;
|
|
};
|
|
|
|
template<int size, bool big_endian>
|
|
class Verdaux_write
|
|
{
|
|
public:
|
|
Verdaux_write(unsigned char* p)
|
|
: p_(reinterpret_cast<internal::Verdaux_data*>(p))
|
|
{ }
|
|
|
|
void
|
|
set_vda_name(Elf_Word v)
|
|
{ this->p_->vda_name = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vda_next(Elf_Word v)
|
|
{ this->p_->vda_next = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
private:
|
|
internal::Verdaux_data* p_;
|
|
};
|
|
|
|
// Accessor classes for entries in the ELF SHT_GNU_verneed section.
|
|
|
|
template<int size, bool big_endian>
|
|
class Verneed
|
|
{
|
|
public:
|
|
Verneed(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Verneed_data*>(p))
|
|
{ }
|
|
|
|
template<typename File>
|
|
Verneed(File* file, typename File::Location loc)
|
|
: p_(reinterpret_cast<const internal::Verneed_data*>(
|
|
file->view(loc.file_offset, loc.data_size).data()))
|
|
{ }
|
|
|
|
Elf_Half
|
|
get_vn_version() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->vn_version); }
|
|
|
|
Elf_Half
|
|
get_vn_cnt() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); }
|
|
|
|
Elf_Word
|
|
get_vn_file() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->vn_file); }
|
|
|
|
Elf_Word
|
|
get_vn_aux() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->vn_aux); }
|
|
|
|
Elf_Word
|
|
get_vn_next() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->vn_next); }
|
|
|
|
private:
|
|
const internal::Verneed_data* p_;
|
|
};
|
|
|
|
template<int size, bool big_endian>
|
|
class Verneed_write
|
|
{
|
|
public:
|
|
Verneed_write(unsigned char* p)
|
|
: p_(reinterpret_cast<internal::Verneed_data*>(p))
|
|
{ }
|
|
|
|
void
|
|
set_vn_version(Elf_Half v)
|
|
{ this->p_->vn_version = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vn_cnt(Elf_Half v)
|
|
{ this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vn_file(Elf_Word v)
|
|
{ this->p_->vn_file = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vn_aux(Elf_Word v)
|
|
{ this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vn_next(Elf_Word v)
|
|
{ this->p_->vn_next = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
private:
|
|
internal::Verneed_data* p_;
|
|
};
|
|
|
|
// Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
|
|
// section.
|
|
|
|
template<int size, bool big_endian>
|
|
class Vernaux
|
|
{
|
|
public:
|
|
Vernaux(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Vernaux_data*>(p))
|
|
{ }
|
|
|
|
template<typename File>
|
|
Vernaux(File* file, typename File::Location loc)
|
|
: p_(reinterpret_cast<const internal::Vernaux_data*>(
|
|
file->view(loc.file_offset, loc.data_size).data()))
|
|
{ }
|
|
|
|
Elf_Word
|
|
get_vna_hash() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->vna_hash); }
|
|
|
|
Elf_Half
|
|
get_vna_flags() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->vna_flags); }
|
|
|
|
Elf_Half
|
|
get_vna_other() const
|
|
{ return Convert<16, big_endian>::convert_host(this->p_->vna_other); }
|
|
|
|
Elf_Word
|
|
get_vna_name() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->vna_name); }
|
|
|
|
Elf_Word
|
|
get_vna_next() const
|
|
{ return Convert<32, big_endian>::convert_host(this->p_->vna_next); }
|
|
|
|
private:
|
|
const internal::Vernaux_data* p_;
|
|
};
|
|
|
|
template<int size, bool big_endian>
|
|
class Vernaux_write
|
|
{
|
|
public:
|
|
Vernaux_write(unsigned char* p)
|
|
: p_(reinterpret_cast<internal::Vernaux_data*>(p))
|
|
{ }
|
|
|
|
void
|
|
set_vna_hash(Elf_Word v)
|
|
{ this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vna_flags(Elf_Half v)
|
|
{ this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vna_other(Elf_Half v)
|
|
{ this->p_->vna_other = Convert<16, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vna_name(Elf_Word v)
|
|
{ this->p_->vna_name = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
void
|
|
set_vna_next(Elf_Word v)
|
|
{ this->p_->vna_next = Convert<32, big_endian>::convert_host(v); }
|
|
|
|
private:
|
|
internal::Vernaux_data* p_;
|
|
};
|
|
|
|
} // End namespace elfcpp.
|
|
|
|
#endif // !defined(ELFPCP_H)
|