// elfcpp.h -- main header file for elfcpp -*- C++ -*-
+// Copyright (C) 2006-2019 Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@google.com>.
+
+// This file is part of elfcpp.
+
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public License
+// as published by the Free Software Foundation; either version 2, or
+// (at your option) any later version.
+
+// In addition to the permissions in the GNU Library General Public
+// License, the Free Software Foundation gives you unlimited
+// permission to link the compiled version of this file into
+// combinations with other programs, and to distribute those
+// combinations without any restriction coming from the use of this
+// file. (The Library Public License restrictions do apply in other
+// respects; for example, they cover modification of the file, and
+// distribution when not linked into a combined executable.)
+
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Library General Public License for more details.
+
+// You should have received a copy of the GNU Library General Public
+// License along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+// 02110-1301, USA.
+
// This is the external interface for elfcpp.
#ifndef ELFCPP_H
#define ELFCPP_H
-#include "elfcpp_config.h"
+#include "elfcpp_swap.h"
#include <stdint.h>
// template parameter should be 32 or 64.
template<int size>
-struct Elf_types
-{
- // Dummy types which should not be used.
- typedef unsigned char Elf_Addr;
- typedef unsigned char Elf_Off;
- // WXword is for fields which are Elf32_Word and Elf64_Xword.
- typedef unsigned char Elf_WXword;
-};
+struct Elf_types;
template<>
struct Elf_types<32>
typedef uint32_t Elf_Addr;
typedef uint32_t Elf_Off;
typedef uint32_t Elf_WXword;
+ typedef int32_t Elf_Swxword;
};
template<>
typedef uint64_t Elf_Addr;
typedef uint64_t Elf_Off;
typedef uint64_t Elf_WXword;
- static const int ehdr_size;
- static const int shdr_size;
- static const int sym_size;
+ typedef int64_t Elf_Swxword;
};
// Offsets within the Ehdr e_ident field.
ELFOSABI_NONE = 0,
ELFOSABI_HPUX = 1,
ELFOSABI_NETBSD = 2,
- // ELFOSABI_LINUX is not listed in the ELF standard.
+ ELFOSABI_GNU = 3,
+ // ELFOSABI_LINUX is an alias for ELFOSABI_GNU.
ELFOSABI_LINUX = 3,
- // ELFOSABI_HURD is not listed in the ELF standard.
- ELFOSABI_HURD = 4,
ELFOSABI_SOLARIS = 6,
ELFOSABI_AIX = 7,
ELFOSABI_IRIX = 8,
EM_386 = 3,
EM_68K = 4,
EM_88K = 5,
- // 6 used to be EM_486
+ EM_IAMCU = 6,
EM_860 = 7,
EM_MIPS = 8,
EM_S370 = 9,
EM_MN10300 = 89,
EM_MN10200 = 90,
EM_PJ = 91,
- EM_OPENRISC = 92,
+ EM_OR1K = 92,
EM_ARC_A5 = 93,
EM_XTENSA = 94,
EM_VIDEOCORE = 95,
EM_UNICORE = 110,
EM_ALTERA_NIOS2 = 113,
EM_CRX = 114,
+ EM_TI_PRU = 144,
+ EM_AARCH64 = 183,
+ EM_TILEGX = 191,
// The Morph MT.
EM_MT = 0x2530,
// DLX.
// Old AVR objects used 0x1057 (EM_AVR is correct).
// Old MSP430 objects used 0x1059 (EM_MSP430 is correct).
// Old FR30 objects used 0x3330 (EM_FR30 is correct).
- // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct).
+ // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OR1K is correct).
// Old D10V objects used 0x7650 (EM_D10V is correct).
// Old D30V objects used 0x7676 (EM_D30V is correct).
// Old IP2X objects used 0x8217 (EM_IP2K is correct).
// Old MN10200 objects used 0xdead (EM_MN10200 is correct).
};
+// A special value found in the Ehdr e_phnum field.
+
+enum
+{
+ // Number of program segments stored in sh_info field of first
+ // section headre.
+ PN_XNUM = 0xffff
+};
+
// Special section indices.
enum
SHN_ABS = 0xfff1,
SHN_COMMON = 0xfff2,
SHN_XINDEX = 0xffff,
- SHN_HIRESERVE = 0xffff
+ SHN_HIRESERVE = 0xffff,
+
+ // Provide for initial and final section ordering in conjunction
+ // with the SHF_LINK_ORDER and SHF_ORDERED section flags.
+ SHN_BEFORE = 0xff00,
+ SHN_AFTER = 0xff01,
+
+ // x86_64 specific large common symbol.
+ SHN_X86_64_LCOMMON = 0xff02
};
// The valid values found in the Shdr sh_type field.
-enum
+enum SHT
{
SHT_NULL = 0,
SHT_PROGBITS = 1,
SHT_LOUSER = 0x80000000,
SHT_HIUSER = 0xffffffff,
// The remaining values are not in the standard.
+ // Incremental build data.
+ SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700,
+ SHT_GNU_INCREMENTAL_SYMTAB = 0x6fff4701,
+ SHT_GNU_INCREMENTAL_RELOCS = 0x6fff4702,
+ SHT_GNU_INCREMENTAL_GOT_PLT = 0x6fff4703,
+ // Object attributes.
+ SHT_GNU_ATTRIBUTES = 0x6ffffff5,
+ // GNU style dynamic hash table.
+ SHT_GNU_HASH = 0x6ffffff6,
// List of prelink dependencies.
SHT_GNU_LIBLIST = 0x6ffffff7,
// Versions defined by file.
// Symbol versions,
SHT_SUNW_versym = 0x6fffffff,
SHT_GNU_versym = 0x6fffffff,
+
+ SHT_SPARC_GOTDATA = 0x70000000,
+
+ // ARM-specific section types.
+ // Exception Index table.
+ SHT_ARM_EXIDX = 0x70000001,
+ // BPABI DLL dynamic linking pre-emption map.
+ SHT_ARM_PREEMPTMAP = 0x70000002,
+ // Object file compatibility attributes.
+ SHT_ARM_ATTRIBUTES = 0x70000003,
+ // Support for debugging overlaid programs.
+ SHT_ARM_DEBUGOVERLAY = 0x70000004,
+ SHT_ARM_OVERLAYSECTION = 0x70000005,
+
+ // x86_64 unwind information.
+ SHT_X86_64_UNWIND = 0x70000001,
+
+ // MIPS-specific section types.
+ // Section contains register usage information.
+ SHT_MIPS_REGINFO = 0x70000006,
+ // Section contains miscellaneous options.
+ SHT_MIPS_OPTIONS = 0x7000000d,
+ // ABI related flags section.
+ SHT_MIPS_ABIFLAGS = 0x7000002a,
+
+ // AARCH64-specific section type.
+ SHT_AARCH64_ATTRIBUTES = 0x70000003,
+
+ // Link editor is to sort the entries in this section based on the
+ // address specified in the associated symbol table entry.
+ SHT_ORDERED = 0x7fffffff
};
// The valid bit flags found in the Shdr sh_flags field.
-enum
+enum SHF
{
SHF_WRITE = 0x1,
SHF_ALLOC = 0x2,
SHF_OS_NONCONFORMING = 0x100,
SHF_GROUP = 0x200,
SHF_TLS = 0x400,
+ SHF_COMPRESSED = 0x800,
SHF_MASKOS = 0x0ff00000,
- SHF_MASKPROC = 0xf0000000
+ SHF_MASKPROC = 0xf0000000,
+
+ // Indicates this section requires ordering in relation to
+ // other sections of the same type. Ordered sections are
+ // combined within the section pointed to by the sh_link entry.
+ // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
+ // sorted section is to precede or follow, respectively, all
+ // other sections in the set being ordered.
+ SHF_ORDERED = 0x40000000,
+ // This section is excluded from input to the link-edit of an
+ // executable or shared object. This flag is ignored if SHF_ALLOC
+ // is also set, or if relocations exist against the section.
+ SHF_EXCLUDE = 0x80000000,
+
+ // Section with data that is GP relative addressable.
+ SHF_MIPS_GPREL = 0x10000000,
+
+ // x86_64 specific large section.
+ SHF_X86_64_LARGE = 0x10000000
+};
+
+// Values which appear in the first Elf_WXword of the section data
+// of a SHF_COMPRESSED section.
+enum
+{
+ ELFCOMPRESS_ZLIB = 1,
+ ELFCOMPRESS_LOOS = 0x60000000,
+ ELFCOMPRESS_HIOS = 0x6fffffff,
+ ELFCOMPRESS_LOPROC = 0x70000000,
+ ELFCOMPRESS_HIPROC = 0x7fffffff,
};
// Bit flags which appear in the first 32-bit word of the section data
GRP_MASKPROC = 0xf0000000
};
+// The valid values found in the Phdr p_type field.
+
+enum PT
+{
+ PT_NULL = 0,
+ PT_LOAD = 1,
+ PT_DYNAMIC = 2,
+ PT_INTERP = 3,
+ PT_NOTE = 4,
+ PT_SHLIB = 5,
+ PT_PHDR = 6,
+ PT_TLS = 7,
+ PT_LOOS = 0x60000000,
+ PT_HIOS = 0x6fffffff,
+ PT_LOPROC = 0x70000000,
+ PT_HIPROC = 0x7fffffff,
+ // The remaining values are not in the standard.
+ // Frame unwind information.
+ PT_GNU_EH_FRAME = 0x6474e550,
+ PT_SUNW_EH_FRAME = 0x6474e550,
+ // Stack flags.
+ PT_GNU_STACK = 0x6474e551,
+ // Read only after relocation.
+ PT_GNU_RELRO = 0x6474e552,
+ // Platform architecture compatibility information
+ PT_ARM_ARCHEXT = 0x70000000,
+ // Exception unwind tables
+ PT_ARM_EXIDX = 0x70000001,
+ // Register usage information. Identifies one .reginfo section.
+ PT_MIPS_REGINFO =0x70000000,
+ // Runtime procedure table.
+ PT_MIPS_RTPROC = 0x70000001,
+ // .MIPS.options section.
+ PT_MIPS_OPTIONS = 0x70000002,
+ // .MIPS.abiflags section.
+ PT_MIPS_ABIFLAGS = 0x70000003,
+ // Platform architecture compatibility information
+ PT_AARCH64_ARCHEXT = 0x70000000,
+ // Exception unwind tables
+ PT_AARCH64_UNWIND = 0x70000001,
+ // 4k page table size
+ PT_S390_PGSTE = 0x70000000,
+};
+
+// The valid bit flags found in the Phdr p_flags field.
+
+enum PF
+{
+ PF_X = 0x1,
+ PF_W = 0x2,
+ PF_R = 0x4,
+ PF_MASKOS = 0x0ff00000,
+ PF_MASKPROC = 0xf0000000
+};
+
// Symbol binding from Sym st_info field.
enum STB
STB_GLOBAL = 1,
STB_WEAK = 2,
STB_LOOS = 10,
+ STB_GNU_UNIQUE = 10,
STB_HIOS = 12,
STB_LOPROC = 13,
STB_HIPROC = 15
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
+ 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_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 whether various optimisations are possible.
+ DT_PPC_OPT = 0x70000001,
+
+ // 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,
+
+ // Specify whether various optimisations are possible.
+ DT_PPC64_OPT = 0x70000003,
+
+ // 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,
+ // Relative offset of run time loader map, used for debugging.
+ DT_MIPS_RLD_MAP_REL = 0x70000035,
+
+ 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,
+ // Program property note, as described in "Linux Extensions to the gABI".
+ NT_GNU_PROPERTY_TYPE_0 = 5
+};
+
+// 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
+};
+
+// Program property types for NT_GNU_PROPERTY_TYPE_0.
+
+enum
+{
+ GNU_PROPERTY_STACK_SIZE = 1,
+ GNU_PROPERTY_NO_COPY_ON_PROTECTED = 2,
+ GNU_PROPERTY_LOPROC = 0xc0000000,
+ GNU_PROPERTY_X86_ISA_1_USED = 0xc0000000,
+ GNU_PROPERTY_X86_ISA_1_NEEDED = 0xc0000001,
+ GNU_PROPERTY_X86_FEATURE_1_AND = 0xc0000002,
+ GNU_PROPERTY_HIPROC = 0xdfffffff,
+ GNU_PROPERTY_LOUSER = 0xe0000000,
+ GNU_PROPERTY_HIUSER = 0xffffffff
+};
+
} // End namespace elfcpp.
// Include internal details after defining the types.
{
// 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 compression header.
+ static const int chdr_size = sizeof(internal::Chdr_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.
: 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 internal::convert_half<big_endian>(this->p_->e_type); }
+ { return Convert<16, big_endian>::convert_host(this->p_->e_type); }
Elf_Half
get_e_machine() const
- { return internal::convert_half<big_endian>(this->p_->e_machine); }
+ { return Convert<16, big_endian>::convert_host(this->p_->e_machine); }
Elf_Word
get_e_version() const
- { return internal::convert_word<big_endian>(this->p_->e_version); }
+ { return Convert<32, big_endian>::convert_host(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); }
+ { return Convert<size, big_endian>::convert_host(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); }
+ { return Convert<size, big_endian>::convert_host(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); }
+ { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); }
Elf_Word
get_e_flags() const
- { return internal::convert_word<big_endian>(this->p_->e_flags); }
+ { return Convert<32, big_endian>::convert_host(this->p_->e_flags); }
Elf_Half
get_e_ehsize() const
- { return internal::convert_half<big_endian>(this->p_->e_ehsize); }
+ { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); }
Elf_Half
get_e_phentsize() const
- { return internal::convert_half<big_endian>(this->p_->e_phentsize); }
+ { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); }
Elf_Half
get_e_phnum() const
- { return internal::convert_half<big_endian>(this->p_->e_phnum); }
+ { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); }
Elf_Half
get_e_shentsize() const
- { return internal::convert_half<big_endian>(this->p_->e_shentsize); }
+ { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); }
Elf_Half
get_e_shnum() const
- { return internal::convert_half<big_endian>(this->p_->e_shnum); }
+ { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); }
Elf_Half
get_e_shstrndx() const
- { return internal::convert_half<big_endian>(this->p_->e_shstrndx); }
+ { 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>
: 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 internal::convert_word<big_endian>(this->p_->sh_name); }
+ { return Convert<32, big_endian>::convert_host(this->p_->sh_name); }
Elf_Word
get_sh_type() const
- { return internal::convert_word<big_endian>(this->p_->sh_type); }
+ { return Convert<32, big_endian>::convert_host(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); }
+ { return Convert<size, big_endian>::convert_host(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); }
+ { return Convert<size, big_endian>::convert_host(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); }
+ { return Convert<size, big_endian>::convert_host(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); }
+ { return Convert<size, big_endian>::convert_host(this->p_->sh_size); }
Elf_Word
get_sh_link() const
- { return internal::convert_word<big_endian>(this->p_->sh_link); }
+ { return Convert<32, big_endian>::convert_host(this->p_->sh_link); }
Elf_Word
get_sh_info() const
- { return internal::convert_word<big_endian>(this->p_->sh_info); }
+ { return Convert<32, big_endian>::convert_host(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); }
+ Convert<size, big_endian>::convert_host(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); }
+ { 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 compression header.
+
+template<int size, bool big_endian>
+class Chdr
+{
+ public:
+ Chdr(const unsigned char* p)
+ : p_(reinterpret_cast<const internal::Chdr_data<size>*>(p))
+ { }
+
+ template<typename File>
+ Chdr(File* file, typename File::Location loc)
+ : p_(reinterpret_cast<const internal::Chdr_data<size>*>(
+ file->view(loc.file_offset, loc.data_size).data()))
+ { }
+
+ Elf_Word
+ get_ch_type() const
+ { return Convert<size, big_endian>::convert_host(this->p_->ch_type); }
+
+ typename Elf_types<size>::Elf_WXword
+ get_ch_size() const
+ { return Convert<size, big_endian>::convert_host(this->p_->ch_size); }
+
+ typename Elf_types<size>::Elf_WXword
+ get_ch_addralign() const
+ { return
+ Convert<size, big_endian>::convert_host(this->p_->ch_addralign); }
+
+ private:
+ const internal::Chdr_data<size>* p_;
+};
+
+// Write class for an ELF compression header.
+
+template<int size, bool big_endian>
+class Chdr_write
+{
+ public:
+ Chdr_write(unsigned char* p)
+ : p_(reinterpret_cast<internal::Chdr_data<size>*>(p))
+ { }
+
+ void
+ put_ch_type(typename Elf_types<size>::Elf_WXword v)
+ { this->p_->ch_type = Convert<size, big_endian>::convert_host(v); }
+
+ void
+ put_ch_size(typename Elf_types<size>::Elf_WXword v)
+ { this->p_->ch_size = Convert<size, big_endian>::convert_host(v); }
+
+ void
+ put_ch_addralign(typename Elf_types<size>::Elf_WXword v)
+ { this->p_->ch_addralign = Convert<size, big_endian>::convert_host(v); }
+
+ void
+ put_ch_reserved(Elf_Word);
+
+ private:
+ internal::Chdr_data<size>* p_;
+};
+
+template<>
+inline void
+elfcpp::Chdr_write<64, true>::put_ch_reserved(Elf_Word v)
+{
+ this->p_->ch_reserved = v;
+}
+
+template<>
+inline void
+elfcpp::Chdr_write<64, false>::put_ch_reserved(Elf_Word v)
+{
+ this->p_->ch_reserved = v;
+}
+
+// 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>
: 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 internal::convert_word<big_endian>(this->p_->st_name); }
+ { return Convert<32, big_endian>::convert_host(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); }
+ { return Convert<size, big_endian>::convert_host(this->p_->st_value); }
typename Elf_types<size>::Elf_WXword
get_st_size() const
- { return internal::convert_wxword<big_endian>(this->p_->st_size); }
+ { 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 internal::convert_half<big_endian>(this->p_->st_shndx); }
+ { 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_;
+};
+
+// MIPS-64 has a non-standard relocation layout.
+
+template<bool big_endian>
+class Mips64_rel
+{
+ public:
+ Mips64_rel(const unsigned char* p)
+ : p_(reinterpret_cast<const internal::Mips64_rel_data*>(p))
+ { }
+
+ template<typename File>
+ Mips64_rel(File* file, typename File::Location loc)
+ : p_(reinterpret_cast<const internal::Mips64_rel_data*>(
+ file->view(loc.file_offset, loc.data_size).data()))
+ { }
+
+ typename Elf_types<64>::Elf_Addr
+ get_r_offset() const
+ { return Convert<64, big_endian>::convert_host(this->p_->r_offset); }
+
+ Elf_Word
+ get_r_sym() const
+ { return Convert<32, big_endian>::convert_host(this->p_->r_sym); }
+
+ unsigned char
+ get_r_ssym() const
+ { return this->p_->r_ssym; }
+
+ unsigned char
+ get_r_type() const
+ { return this->p_->r_type; }
+
+ unsigned char
+ get_r_type2() const
+ { return this->p_->r_type2; }
+
+ unsigned char
+ get_r_type3() const
+ { return this->p_->r_type3; }
+
+ private:
+ const internal::Mips64_rel_data* p_;
+};
+
+template<bool big_endian>
+class Mips64_rel_write
+{
+ public:
+ Mips64_rel_write(unsigned char* p)
+ : p_(reinterpret_cast<internal::Mips64_rel_data*>(p))
+ { }
+
+ void
+ put_r_offset(typename Elf_types<64>::Elf_Addr v)
+ { this->p_->r_offset = Convert<64, big_endian>::convert_host(v); }
+
+ void
+ put_r_sym(Elf_Word v)
+ { this->p_->r_sym = Convert<32, big_endian>::convert_host(v); }
+
+ void
+ put_r_ssym(unsigned char v)
+ { this->p_->r_ssym = v; }
+
+ void
+ put_r_type(unsigned char v)
+ { this->p_->r_type = v; }
+
+ void
+ put_r_type2(unsigned char v)
+ { this->p_->r_type2 = v; }
+
+ void
+ put_r_type3(unsigned char v)
+ { this->p_->r_type3 = v; }
+
+ private:
+ internal::Mips64_rel_data* p_;
+};
+
+template<bool big_endian>
+class Mips64_rela
+{
+ public:
+ Mips64_rela(const unsigned char* p)
+ : p_(reinterpret_cast<const internal::Mips64_rela_data*>(p))
+ { }
+
+ template<typename File>
+ Mips64_rela(File* file, typename File::Location loc)
+ : p_(reinterpret_cast<const internal::Mips64_rela_data*>(
+ file->view(loc.file_offset, loc.data_size).data()))
+ { }
+
+ typename Elf_types<64>::Elf_Addr
+ get_r_offset() const
+ { return Convert<64, big_endian>::convert_host(this->p_->r_offset); }
+
+ Elf_Word
+ get_r_sym() const
+ { return Convert<32, big_endian>::convert_host(this->p_->r_sym); }
+
+ unsigned char
+ get_r_ssym() const
+ { return this->p_->r_ssym; }
+
+ unsigned char
+ get_r_type() const
+ { return this->p_->r_type; }
+
+ unsigned char
+ get_r_type2() const
+ { return this->p_->r_type2; }
+
+ unsigned char
+ get_r_type3() const
+ { return this->p_->r_type3; }
+
+ typename Elf_types<64>::Elf_Swxword
+ get_r_addend() const
+ { return Convert<64, big_endian>::convert_host(this->p_->r_addend); }
+
+ private:
+ const internal::Mips64_rela_data* p_;
+};
+
+template<bool big_endian>
+class Mips64_rela_write
+{
+ public:
+ Mips64_rela_write(unsigned char* p)
+ : p_(reinterpret_cast<internal::Mips64_rela_data*>(p))
+ { }
+
+ void
+ put_r_offset(typename Elf_types<64>::Elf_Addr v)
+ { this->p_->r_offset = Convert<64, big_endian>::convert_host(v); }
+
+ void
+ put_r_sym(Elf_Word v)
+ { this->p_->r_sym = Convert<32, big_endian>::convert_host(v); }
+
+ void
+ put_r_ssym(unsigned char v)
+ { this->p_->r_ssym = v; }
+
+ void
+ put_r_type(unsigned char v)
+ { this->p_->r_type = v; }
+
+ void
+ put_r_type2(unsigned char v)
+ { this->p_->r_type2 = v; }
+
+ void
+ put_r_type3(unsigned char v)
+ { this->p_->r_type3 = v; }
+
+ void
+ put_r_addend(typename Elf_types<64>::Elf_Swxword v)
+ { this->p_->r_addend = Convert<64, big_endian>::convert_host(v); }
+
+ private:
+ internal::Mips64_rela_data* 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)
projects / deliverable / binutils-gdb.git / blobdiff