X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=elfcpp%2Felfcpp.h;h=d94db26071ec419e76e9dc209cf83ba48b5e9986;hb=6665660a411ead049daa85cac5c629d637e22044;hp=d92b46d382b88f0ad39884b13597ff8e94c0840c;hpb=8d9455b422d98d97f090923445aa2680e6882f20;p=deliverable%2Fbinutils-gdb.git diff --git a/elfcpp/elfcpp.h b/elfcpp/elfcpp.h index d92b46d382..d94db26071 100644 --- a/elfcpp/elfcpp.h +++ b/elfcpp/elfcpp.h @@ -1,11 +1,39 @@ // elfcpp.h -- main header file for elfcpp -*- C++ -*- +// Copyright (C) 2006-2019 Free Software Foundation, Inc. +// Written by Ian Lance Taylor . + +// 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 @@ -101,10 +129,9 @@ enum ELFOSABI 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, @@ -146,7 +173,7 @@ enum EM 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, @@ -219,7 +246,7 @@ enum EM 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, @@ -241,6 +268,9 @@ enum EM 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. @@ -260,7 +290,7 @@ enum EM // 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). @@ -274,6 +304,15 @@ enum EM // 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 @@ -287,7 +326,15 @@ 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. @@ -318,6 +365,15 @@ enum SHT 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. @@ -329,6 +385,37 @@ enum SHT // 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. @@ -345,8 +432,38 @@ enum SHF 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 @@ -382,7 +499,25 @@ enum PT // Stack flags. PT_GNU_STACK = 0x6474e551, // Read only after relocation. - PT_GNU_RELRO = 0x6474e552 + 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. @@ -404,6 +539,7 @@ enum STB STB_GLOBAL = 1, STB_WEAK = 2, STB_LOOS = 10, + STB_GNU_UNIQUE = 10, STB_HIOS = 12, STB_LOPROC = 13, STB_HIPROC = 15 @@ -420,10 +556,23 @@ enum STT 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 @@ -530,6 +679,343 @@ elf_r_info<64>(unsigned int s, unsigned int t) return (static_cast(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. @@ -553,11 +1039,20 @@ struct Elf_sizes static const int phdr_size = sizeof(internal::Phdr_data); // Size of ELF section header. static const int shdr_size = sizeof(internal::Shdr_data); + // Size of ELF compression header. + static const int chdr_size = sizeof(internal::Chdr_data); // Size of ELF symbol table entry. static const int sym_size = sizeof(internal::Sym_data); // Sizes of ELF reloc entries. static const int rel_size = sizeof(internal::Rel_data); static const int rela_size = sizeof(internal::Rela_data); + // Size of ELF dynamic entry. + static const int dyn_size = sizeof(internal::Dyn_data); + // 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. @@ -570,6 +1065,12 @@ class Ehdr : p_(reinterpret_cast*>(p)) { } + template + Ehdr(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + const unsigned char* get_e_ident() const { return this->p_->e_ident; } @@ -647,7 +1148,7 @@ class Ehdr_write 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); } @@ -710,6 +1211,12 @@ class Shdr : p_(reinterpret_cast*>(p)) { } + template + Shdr(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + Elf_Word get_sh_name() const { return Convert<32, big_endian>::convert_host(this->p_->sh_name); } @@ -809,6 +1316,82 @@ class Shdr_write internal::Shdr_data* p_; }; +// Accessor class for an ELF compression header. + +template +class Chdr +{ + public: + Chdr(const unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + template + Chdr(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + + Elf_Word + get_ch_type() const + { return Convert::convert_host(this->p_->ch_type); } + + typename Elf_types::Elf_WXword + get_ch_size() const + { return Convert::convert_host(this->p_->ch_size); } + + typename Elf_types::Elf_WXword + get_ch_addralign() const + { return + Convert::convert_host(this->p_->ch_addralign); } + + private: + const internal::Chdr_data* p_; +}; + +// Write class for an ELF compression header. + +template +class Chdr_write +{ + public: + Chdr_write(unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + void + put_ch_type(typename Elf_types::Elf_WXword v) + { this->p_->ch_type = Convert::convert_host(v); } + + void + put_ch_size(typename Elf_types::Elf_WXword v) + { this->p_->ch_size = Convert::convert_host(v); } + + void + put_ch_addralign(typename Elf_types::Elf_WXword v) + { this->p_->ch_addralign = Convert::convert_host(v); } + + void + put_ch_reserved(Elf_Word); + + private: + internal::Chdr_data* 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 @@ -819,6 +1402,12 @@ class Phdr : p_(reinterpret_cast*>(p)) { } + template + Phdr(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + 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); } @@ -911,6 +1500,12 @@ class Sym : p_(reinterpret_cast*>(p)) { } + template + Sym(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + Elf_Word get_st_name() const { return Convert<32, big_endian>::convert_host(this->p_->st_name); } @@ -1005,7 +1600,7 @@ class Sym_write internal::Sym_data* p_; }; -// Accessor classes for Elf relocation table entries. +// Accessor classes for an ELF REL relocation entry. template class Rel @@ -1015,6 +1610,12 @@ class Rel : p_(reinterpret_cast*>(p)) { } + template + Rel(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + typename Elf_types::Elf_Addr get_r_offset() const { return Convert::convert_host(this->p_->r_offset); } @@ -1027,6 +1628,30 @@ class Rel const internal::Rel_data* p_; }; +// Writer class for an ELF Rel relocation. + +template +class Rel_write +{ + public: + Rel_write(unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + void + put_r_offset(typename Elf_types::Elf_Addr v) + { this->p_->r_offset = Convert::convert_host(v); } + + void + put_r_info(typename Elf_types::Elf_WXword v) + { this->p_->r_info = Convert::convert_host(v); } + + private: + internal::Rel_data* p_; +}; + +// Accessor class for an ELF Rela relocation. + template class Rela { @@ -1035,6 +1660,12 @@ class Rela : p_(reinterpret_cast*>(p)) { } + template + Rela(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + typename Elf_types::Elf_Addr get_r_offset() const { return Convert::convert_host(this->p_->r_offset); } @@ -1051,6 +1682,539 @@ class Rela const internal::Rela_data* p_; }; +// Writer class for an ELF Rela relocation. + +template +class Rela_write +{ + public: + Rela_write(unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + void + put_r_offset(typename Elf_types::Elf_Addr v) + { this->p_->r_offset = Convert::convert_host(v); } + + void + put_r_info(typename Elf_types::Elf_WXword v) + { this->p_->r_info = Convert::convert_host(v); } + + void + put_r_addend(typename Elf_types::Elf_Swxword v) + { this->p_->r_addend = Convert::convert_host(v); } + + private: + internal::Rela_data* p_; +}; + +// MIPS-64 has a non-standard relocation layout. + +template +class Mips64_rel +{ + public: + Mips64_rel(const unsigned char* p) + : p_(reinterpret_cast(p)) + { } + + template + Mips64_rel(File* file, typename File::Location loc) + : p_(reinterpret_cast( + 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 +class Mips64_rel_write +{ + public: + Mips64_rel_write(unsigned char* p) + : p_(reinterpret_cast(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 +class Mips64_rela +{ + public: + Mips64_rela(const unsigned char* p) + : p_(reinterpret_cast(p)) + { } + + template + Mips64_rela(File* file, typename File::Location loc) + : p_(reinterpret_cast( + 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 +class Mips64_rela_write +{ + public: + Mips64_rela_write(unsigned char* p) + : p_(reinterpret_cast(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 +class Dyn +{ + public: + Dyn(const unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + template + Dyn(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + + typename Elf_types::Elf_Swxword + get_d_tag() const + { return Convert::convert_host(this->p_->d_tag); } + + typename Elf_types::Elf_WXword + get_d_val() const + { return Convert::convert_host(this->p_->d_val); } + + typename Elf_types::Elf_Addr + get_d_ptr() const + { return Convert::convert_host(this->p_->d_val); } + + private: + const internal::Dyn_data* p_; +}; + +// Write class for an entry in the SHT_DYNAMIC section. + +template +class Dyn_write +{ + public: + Dyn_write(unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + void + put_d_tag(typename Elf_types::Elf_Swxword v) + { this->p_->d_tag = Convert::convert_host(v); } + + void + put_d_val(typename Elf_types::Elf_WXword v) + { this->p_->d_val = Convert::convert_host(v); } + + void + put_d_ptr(typename Elf_types::Elf_Addr v) + { this->p_->d_val = Convert::convert_host(v); } + + private: + internal::Dyn_data* p_; +}; + +// Accessor classes for entries in the ELF SHT_GNU_verdef section. + +template +class Verdef +{ + public: + Verdef(const unsigned char* p) + : p_(reinterpret_cast(p)) + { } + + template + Verdef(File* file, typename File::Location loc) + : p_(reinterpret_cast( + 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 +class Verdef_write +{ + public: + Verdef_write(unsigned char* p) + : p_(reinterpret_cast(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 +class Verdaux +{ + public: + Verdaux(const unsigned char* p) + : p_(reinterpret_cast(p)) + { } + + template + Verdaux(File* file, typename File::Location loc) + : p_(reinterpret_cast( + 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 +class Verdaux_write +{ + public: + Verdaux_write(unsigned char* p) + : p_(reinterpret_cast(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 +class Verneed +{ + public: + Verneed(const unsigned char* p) + : p_(reinterpret_cast(p)) + { } + + template + Verneed(File* file, typename File::Location loc) + : p_(reinterpret_cast( + 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 +class Verneed_write +{ + public: + Verneed_write(unsigned char* p) + : p_(reinterpret_cast(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 +class Vernaux +{ + public: + Vernaux(const unsigned char* p) + : p_(reinterpret_cast(p)) + { } + + template + Vernaux(File* file, typename File::Location loc) + : p_(reinterpret_cast( + 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 +class Vernaux_write +{ + public: + Vernaux_write(unsigned char* p) + : p_(reinterpret_cast(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)