mirror of
https://sourceware.org/git/binutils-gdb.git
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1074 lines
24 KiB
C++
1074 lines
24 KiB
C++
// elfcpp.h -- main header file for elfcpp -*- C++ -*-
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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_config.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_LINUX is not listed in the ELF standard.
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ELFOSABI_LINUX = 3,
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// ELFOSABI_HURD is not listed in the ELF standard.
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ELFOSABI_HURD = 4,
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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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// 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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// 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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};
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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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// 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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};
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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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};
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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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};
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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,
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STB_GLOBAL = 1,
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STB_WEAK = 2,
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STB_LOOS = 10,
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STB_HIOS = 12,
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STB_LOPROC = 13,
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STB_HIPROC = 15
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};
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// Symbol types from Sym st_info field.
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enum STT
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{
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STT_NOTYPE = 0,
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STT_OBJECT = 1,
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STT_FUNC = 2,
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STT_SECTION = 3,
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STT_FILE = 4,
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STT_COMMON = 5,
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STT_TLS = 6,
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STT_LOOS = 10,
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STT_HIOS = 12,
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STT_LOPROC = 13,
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STT_HIPROC = 15
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};
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inline STB
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elf_st_bind(unsigned char info)
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{
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return static_cast<STB>(info >> 4);
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}
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inline STT
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elf_st_type(unsigned char info)
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{
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return static_cast<STT>(info & 0xf);
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}
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inline unsigned char
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elf_st_info(STB bind, STT type)
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{
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return ((static_cast<unsigned char>(bind) << 4)
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+ (static_cast<unsigned char>(type) & 0xf));
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}
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// Symbol visibility from Sym st_other field.
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enum STV
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{
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STV_DEFAULT = 0,
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STV_INTERNAL = 1,
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STV_HIDDEN = 2,
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STV_PROTECTED = 3
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};
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inline STV
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elf_st_visibility(unsigned char other)
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{
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return static_cast<STV>(other & 0x3);
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}
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inline unsigned char
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elf_st_nonvis(unsigned char other)
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{
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return static_cast<STV>(other >> 2);
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}
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inline unsigned char
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elf_st_other(STV vis, unsigned char nonvis)
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{
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return ((nonvis << 2)
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+ (static_cast<unsigned char>(vis) & 3));
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}
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// Reloc information from Rel/Rela r_info field.
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template<int size>
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unsigned int
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elf_r_sym(typename Elf_types<size>::Elf_WXword);
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template<>
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inline unsigned int
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elf_r_sym<32>(Elf_Word v)
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{
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return v >> 8;
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}
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template<>
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inline unsigned int
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elf_r_sym<64>(Elf_Xword v)
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{
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return v >> 32;
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}
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template<int size>
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unsigned int
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elf_r_type(typename Elf_types<size>::Elf_WXword);
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template<>
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inline unsigned int
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elf_r_type<32>(Elf_Word v)
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{
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return v & 0xff;
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}
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template<>
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inline unsigned int
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elf_r_type<64>(Elf_Xword v)
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{
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return v & 0xffffffff;
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}
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template<int size>
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typename Elf_types<size>::Elf_WXword
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elf_r_info(unsigned int s, unsigned int t);
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template<>
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inline Elf_Word
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elf_r_info<32>(unsigned int s, unsigned int t)
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{
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return (s << 8) + (t & 0xff);
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}
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template<>
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inline Elf_Xword
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elf_r_info<64>(unsigned int s, unsigned int t)
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{
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return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
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}
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} // End namespace elfcpp.
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// Include internal details after defining the types.
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#include "elfcpp_internal.h"
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namespace elfcpp
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{
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|
|
// The offset of the ELF file header in the ELF file.
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|
|
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>);
|
|
};
|
|
|
|
// Given the address of an Elf_Word, return the value.
|
|
|
|
template<bool big_endian>
|
|
inline Elf_Word
|
|
read_elf_word(const Elf_Word* p)
|
|
{
|
|
return internal::convert_word<big_endian>(*p);
|
|
}
|
|
|
|
// Store an Elf_Word into an address.
|
|
|
|
template<bool big_endian>
|
|
inline void
|
|
write_elf_word(Elf_Word* p, Elf_Word v)
|
|
{
|
|
*p = internal::convert_word<big_endian>(v);
|
|
}
|
|
|
|
// 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))
|
|
{ }
|
|
|
|
const unsigned char*
|
|
get_e_ident() const
|
|
{ return this->p_->e_ident; }
|
|
|
|
Elf_Half
|
|
get_e_type() const
|
|
{ return internal::convert_half<big_endian>(this->p_->e_type); }
|
|
|
|
Elf_Half
|
|
get_e_machine() const
|
|
{ return internal::convert_half<big_endian>(this->p_->e_machine); }
|
|
|
|
Elf_Word
|
|
get_e_version() const
|
|
{ return internal::convert_word<big_endian>(this->p_->e_version); }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_e_entry() const
|
|
{ return internal::convert_addr<size, big_endian>(this->p_->e_entry); }
|
|
|
|
typename Elf_types<size>::Elf_Off
|
|
get_e_phoff() const
|
|
{ return internal::convert_off<size, big_endian>(this->p_->e_phoff); }
|
|
|
|
typename Elf_types<size>::Elf_Off
|
|
get_e_shoff() const
|
|
{ return internal::convert_off<size, big_endian>(this->p_->e_shoff); }
|
|
|
|
Elf_Word
|
|
get_e_flags() const
|
|
{ return internal::convert_word<big_endian>(this->p_->e_flags); }
|
|
|
|
Elf_Half
|
|
get_e_ehsize() const
|
|
{ return internal::convert_half<big_endian>(this->p_->e_ehsize); }
|
|
|
|
Elf_Half
|
|
get_e_phentsize() const
|
|
{ return internal::convert_half<big_endian>(this->p_->e_phentsize); }
|
|
|
|
Elf_Half
|
|
get_e_phnum() const
|
|
{ return internal::convert_half<big_endian>(this->p_->e_phnum); }
|
|
|
|
Elf_Half
|
|
get_e_shentsize() const
|
|
{ return internal::convert_half<big_endian>(this->p_->e_shentsize); }
|
|
|
|
Elf_Half
|
|
get_e_shnum() const
|
|
{ return internal::convert_half<big_endian>(this->p_->e_shnum); }
|
|
|
|
Elf_Half
|
|
get_e_shstrndx() const
|
|
{ return internal::convert_half<big_endian>(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 = internal::convert_half<big_endian>(v); }
|
|
|
|
void
|
|
put_e_machine(Elf_Half v)
|
|
{ this->p_->e_machine = internal::convert_half<big_endian>(v); }
|
|
|
|
void
|
|
put_e_version(Elf_Word v)
|
|
{ this->p_->e_version = internal::convert_word<big_endian>(v); }
|
|
|
|
void
|
|
put_e_entry(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->e_entry = internal::convert_addr<size, big_endian>(v); }
|
|
|
|
void
|
|
put_e_phoff(typename Elf_types<size>::Elf_Off v)
|
|
{ this->p_->e_phoff = internal::convert_off<size, big_endian>(v); }
|
|
|
|
void
|
|
put_e_shoff(typename Elf_types<size>::Elf_Off v)
|
|
{ this->p_->e_shoff = internal::convert_off<size, big_endian>(v); }
|
|
|
|
void
|
|
put_e_flags(Elf_Word v)
|
|
{ this->p_->e_flags = internal::convert_word<big_endian>(v); }
|
|
|
|
void
|
|
put_e_ehsize(Elf_Half v)
|
|
{ this->p_->e_ehsize = internal::convert_half<big_endian>(v); }
|
|
|
|
void
|
|
put_e_phentsize(Elf_Half v)
|
|
{ this->p_->e_phentsize = internal::convert_half<big_endian>(v); }
|
|
|
|
void
|
|
put_e_phnum(Elf_Half v)
|
|
{ this->p_->e_phnum = internal::convert_half<big_endian>(v); }
|
|
|
|
void
|
|
put_e_shentsize(Elf_Half v)
|
|
{ this->p_->e_shentsize = internal::convert_half<big_endian>(v); }
|
|
|
|
void
|
|
put_e_shnum(Elf_Half v)
|
|
{ this->p_->e_shnum = internal::convert_half<big_endian>(v); }
|
|
|
|
void
|
|
put_e_shstrndx(Elf_Half v)
|
|
{ this->p_->e_shstrndx = internal::convert_half<big_endian>(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))
|
|
{ }
|
|
|
|
Elf_Word
|
|
get_sh_name() const
|
|
{ return internal::convert_word<big_endian>(this->p_->sh_name); }
|
|
|
|
Elf_Word
|
|
get_sh_type() const
|
|
{ return internal::convert_word<big_endian>(this->p_->sh_type); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_sh_flags() const
|
|
{ return internal::convert_wxword<size, big_endian>(this->p_->sh_flags); }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_sh_addr() const
|
|
{ return internal::convert_addr<size, big_endian>(this->p_->sh_addr); }
|
|
|
|
typename Elf_types<size>::Elf_Off
|
|
get_sh_offset() const
|
|
{ return internal::convert_off<size, big_endian>(this->p_->sh_offset); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_sh_size() const
|
|
{ return internal::convert_wxword<size, big_endian>(this->p_->sh_size); }
|
|
|
|
Elf_Word
|
|
get_sh_link() const
|
|
{ return internal::convert_word<big_endian>(this->p_->sh_link); }
|
|
|
|
Elf_Word
|
|
get_sh_info() const
|
|
{ return internal::convert_word<big_endian>(this->p_->sh_info); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_sh_addralign() const
|
|
{ return
|
|
internal::convert_wxword<size, big_endian>(this->p_->sh_addralign); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_sh_entsize() const
|
|
{ return internal::convert_wxword<size, big_endian>(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 = internal::convert_word<big_endian>(v); }
|
|
|
|
void
|
|
put_sh_type(Elf_Word v)
|
|
{ this->p_->sh_type = internal::convert_word<big_endian>(v); }
|
|
|
|
void
|
|
put_sh_flags(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->sh_flags = internal::convert_wxword<size, big_endian>(v); }
|
|
|
|
void
|
|
put_sh_addr(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->sh_addr = internal::convert_addr<size, big_endian>(v); }
|
|
|
|
void
|
|
put_sh_offset(typename Elf_types<size>::Elf_Off v)
|
|
{ this->p_->sh_offset = internal::convert_off<size, big_endian>(v); }
|
|
|
|
void
|
|
put_sh_size(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->sh_size = internal::convert_wxword<size, big_endian>(v); }
|
|
|
|
void
|
|
put_sh_link(Elf_Word v)
|
|
{ this->p_->sh_link = internal::convert_word<big_endian>(v); }
|
|
|
|
void
|
|
put_sh_info(Elf_Word v)
|
|
{ this->p_->sh_info = internal::convert_word<big_endian>(v); }
|
|
|
|
void
|
|
put_sh_addralign(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->sh_addralign = internal::convert_wxword<size, big_endian>(v); }
|
|
|
|
void
|
|
put_sh_entsize(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->sh_entsize = internal::convert_wxword<size, big_endian>(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))
|
|
{ }
|
|
|
|
Elf_Word
|
|
get_p_type() const
|
|
{ return internal::convert_word<big_endian>(this->p_->p_type); }
|
|
|
|
typename Elf_types<size>::Elf_Off
|
|
get_p_offset() const
|
|
{ return internal::convert_off<size, big_endian>(this->p_->p_offset); }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_p_vaddr() const
|
|
{ return internal::convert_addr<size, big_endian>(this->p_->p_vaddr); }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_p_paddr() const
|
|
{ return internal::convert_addr<size, big_endian>(this->p_->p_paddr); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_p_filesz() const
|
|
{ return internal::convert_wxword<size, big_endian>(this->p_->p_filesz); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_p_memsz() const
|
|
{ return internal::convert_wxword<size, big_endian>(this->p_->p_memsz); }
|
|
|
|
Elf_Word
|
|
get_p_flags() const
|
|
{ return internal::convert_word<big_endian>(this->p_->p_flags); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_p_align() const
|
|
{ return internal::convert_wxword<size, big_endian>(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 = internal::convert_word<big_endian>(v); }
|
|
|
|
void
|
|
put_p_offset(typename Elf_types<size>::Elf_Off v)
|
|
{ this->p_->p_offset = internal::convert_off<size, big_endian>(v); }
|
|
|
|
void
|
|
put_p_vaddr(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->p_vaddr = internal::convert_addr<size, big_endian>(v); }
|
|
|
|
void
|
|
put_p_paddr(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->p_paddr = internal::convert_addr<size, big_endian>(v); }
|
|
|
|
void
|
|
put_p_filesz(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->p_filesz = internal::convert_wxword<size, big_endian>(v); }
|
|
|
|
void
|
|
put_p_memsz(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->p_memsz = internal::convert_wxword<size, big_endian>(v); }
|
|
|
|
void
|
|
put_p_flags(Elf_Word v)
|
|
{ this->p_->p_flags = internal::convert_word<big_endian>(v); }
|
|
|
|
void
|
|
put_p_align(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->p_align = internal::convert_wxword<size, big_endian>(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))
|
|
{ }
|
|
|
|
Elf_Word
|
|
get_st_name() const
|
|
{ return internal::convert_word<big_endian>(this->p_->st_name); }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_st_value() const
|
|
{ return internal::convert_addr<size, big_endian>(this->p_->st_value); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_st_size() const
|
|
{ return internal::convert_wxword<size, big_endian>(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 internal::convert_half<big_endian>(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 = internal::convert_word<big_endian>(v); }
|
|
|
|
void
|
|
put_st_value(typename Elf_types<size>::Elf_Addr v)
|
|
{ this->p_->st_value = internal::convert_addr<size, big_endian>(v); }
|
|
|
|
void
|
|
put_st_size(typename Elf_types<size>::Elf_WXword v)
|
|
{ this->p_->st_size = internal::convert_wxword<size, big_endian>(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 = internal::convert_half<big_endian>(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 Elf relocation table entries.
|
|
|
|
template<int size, bool big_endian>
|
|
class Rel
|
|
{
|
|
public:
|
|
Rel(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Rel_data<size>*>(p))
|
|
{ }
|
|
|
|
typename Elf_types<size>::Elf_Addr
|
|
get_r_offset() const
|
|
{ return internal::convert_addr<size, big_endian>(this->p_->r_offset); }
|
|
|
|
typename Elf_types<size>::Elf_WXword
|
|
get_r_info() const
|
|
{ return internal::convert_wxword<size, big_endian>(this->p_->r_info); }
|
|
|
|
private:
|
|
const internal::Rel_data<size>* p_;
|
|
};
|
|
|
|
template<int size, bool big_endian>
|
|
class Rela
|
|
{
|
|
public:
|
|
Rela(const unsigned char* p)
|
|
: p_(reinterpret_cast<const internal::Rela_data<size>*>(p))
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{ }
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typename Elf_types<size>::Elf_Addr
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get_r_offset() const
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{ return internal::convert_addr<size, big_endian>(this->p_->r_offset); }
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typename Elf_types<size>::Elf_WXword
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get_r_info() const
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{ return internal::convert_wxword<size, big_endian>(this->p_->r_info); }
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typename Elf_types<size>::Elf_Swxword
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get_r_addend() const
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{ return internal::convert_swxword<size, big_endian>(this->p_->r_addend); }
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private:
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const internal::Rela_data<size>* p_;
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};
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} // End namespace elfcpp.
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#endif // !defined(ELFPCP_H)
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