X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=elfcpp%2Felfcpp.h;h=7abc9e3ac0a7603fc82ef9600edf4bb24eb41ce9;hb=d8045f234d8865a7a7bfce71e81fcbeaf4098a7e;hp=3ae005ddc047ffa54d16a72f125d72952f326c4b;hpb=61ba1cf93601b0a0877a8ade94ba3c674a09f77e;p=deliverable%2Fbinutils-gdb.git diff --git a/elfcpp/elfcpp.h b/elfcpp/elfcpp.h index 3ae005ddc0..7abc9e3ac0 100644 --- a/elfcpp/elfcpp.h +++ b/elfcpp/elfcpp.h @@ -1,11 +1,40 @@ // elfcpp.h -- main header file for elfcpp -*- C++ -*- +// Copyright 2006, 2007, 2008, 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 @@ -286,7 +315,12 @@ 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, }; // The valid values found in the Shdr sh_type field. @@ -317,6 +351,12 @@ enum SHT SHT_LOUSER = 0x80000000, SHT_HIUSER = 0xffffffff, // The remaining values are not in the standard. + // Incremental build data. + SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700, + // 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. @@ -328,6 +368,12 @@ enum SHT // Symbol versions, SHT_SUNW_versym = 0x6fffffff, SHT_GNU_versym = 0x6fffffff, + + SHT_SPARC_GOTDATA = 0x70000000, + + // 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. @@ -345,7 +391,19 @@ enum SHF SHF_GROUP = 0x200, SHF_TLS = 0x400, 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, }; // Bit flags which appear in the first 32-bit word of the section data @@ -420,9 +478,14 @@ enum STT STT_COMMON = 5, STT_TLS = 6, STT_LOOS = 10, + STT_GNU_IFUNC = 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, }; inline STB @@ -529,6 +592,221 @@ 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, + DT_ENCODING = 32, + DT_PREINIT_ARRAY = 33, + DT_PREINIT_ARRAYSZ = 33, + DT_LOOS = 0x6000000d, + DT_HIOS = 0x6ffff000, + DT_LOPROC = 0x70000000, + DT_HIPROC = 0x7fffffff, + + // The remaining values are extensions used by GNU or Solaris. + DT_VALRNGLO = 0x6ffffd00, + DT_GNU_PRELINKED = 0x6ffffdf5, + DT_GNU_CONFLICTSZ = 0x6ffffdf6, + DT_GNU_LIBLISTSZ = 0x6ffffdf7, + DT_CHECKSUM = 0x6ffffdf8, + DT_PLTPADSZ = 0x6ffffdf9, + DT_MOVEENT = 0x6ffffdfa, + DT_MOVESZ = 0x6ffffdfb, + DT_FEATURE = 0x6ffffdfc, + DT_POSFLAG_1 = 0x6ffffdfd, + DT_SYMINSZ = 0x6ffffdfe, + DT_SYMINENT = 0x6ffffdff, + DT_VALRNGHI = 0x6ffffdff, + + DT_ADDRRNGLO = 0x6ffffe00, + DT_GNU_HASH = 0x6ffffef5, + DT_TLSDESC_PLT = 0x6ffffef6, + DT_TLSDESC_GOT = 0x6ffffef7, + DT_GNU_CONFLICT = 0x6ffffef8, + DT_GNU_LIBLIST = 0x6ffffef9, + DT_CONFIG = 0x6ffffefa, + DT_DEPAUDIT = 0x6ffffefb, + DT_AUDIT = 0x6ffffefc, + DT_PLTPAD = 0x6ffffefd, + DT_MOVETAB = 0x6ffffefe, + DT_SYMINFO = 0x6ffffeff, + DT_ADDRRNGHI = 0x6ffffeff, + + DT_RELACOUNT = 0x6ffffff9, + DT_RELCOUNT = 0x6ffffffa, + DT_FLAGS_1 = 0x6ffffffb, + DT_VERDEF = 0x6ffffffc, + DT_VERDEFNUM = 0x6ffffffd, + DT_VERNEED = 0x6ffffffe, + DT_VERNEEDNUM = 0x6fffffff, + + DT_VERSYM = 0x6ffffff0, + + // Specify the value of _GLOBAL_OFFSET_TABLE_. + DT_PPC_GOT = 0x70000000, + + // Specify the start of the .glink section. + DT_PPC64_GLINK = 0x70000000, + + // Specify the start and size of the .opd section. + DT_PPC64_OPD = 0x70000001, + DT_PPC64_OPDSZ = 0x70000002, + + // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB + // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER + // symbol in the symbol table. + DT_SPARC_REGISTER = 0x70000001, + + 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; + +// Special constants found in the SHT_GNU_versym entries. + +const int VER_NDX_LOCAL = 0; +const int VER_NDX_GLOBAL = 1; + +// A SHT_GNU_versym section holds 16-bit words. This bit is set if +// the symbol is hidden and can only be seen when referenced using an +// explicit version number. This is a GNU extension. + +const int VERSYM_HIDDEN = 0x8000; + +// This is the mask for the rest of the data in a word read from a +// SHT_GNU_versym section. + +const int VERSYM_VERSION = 0x7fff; + +// Note descriptor type codes for notes in a non-core file with an +// empty name. + +enum +{ + // A version string. + NT_VERSION = 1, + // An architecture string. + NT_ARCH = 2 +}; + +// Note descriptor type codes for notes in a non-core file with the +// name "GNU". + +enum +{ + // The minimum ABI level. This is used by the dynamic linker to + // describe the minimal kernel version on which a shared library may + // be used. Th value should be four words. Word 0 is an OS + // descriptor (see below). Word 1 is the major version of the ABI. + // Word 2 is the minor version. Word 3 is the subminor version. + NT_GNU_ABI_TAG = 1, + // Hardware capabilities information. Word 0 is the number of + // entries. Word 1 is a bitmask of enabled entries. The rest of + // the descriptor is a series of entries, where each entry is a + // single byte followed by a nul terminated string. The byte gives + // the bit number to test if enabled in the bitmask. + NT_GNU_HWCAP = 2, + // The build ID as set by the linker's --build-id option. The + // format of the descriptor depends on the build ID style. + NT_GNU_BUILD_ID = 3, + // The version of gold used to link. Th descriptor is just a + // string. + NT_GNU_GOLD_VERSION = 4 +}; + +// The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note. + +enum +{ + ELF_NOTE_OS_LINUX = 0, + ELF_NOTE_OS_GNU = 1, + ELF_NOTE_OS_SOLARIS2 = 2, + ELF_NOTE_OS_FREEBSD = 3, + ELF_NOTE_OS_NETBSD = 4, + ELF_NOTE_OS_SYLLABLE = 5 +}; + } // End namespace elfcpp. // Include internal details after defining the types. @@ -557,26 +835,15 @@ struct Elf_sizes // 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); }; -// Given the address of an Elf_Word, return the value. - -template -inline Elf_Word -read_elf_word(const Elf_Word* p) -{ - return internal::convert_word(*p); -} - -// Store an Elf_Word into an address. - -template -inline void -write_elf_word(Elf_Word* p, Elf_Word v) -{ - *p = internal::convert_word(v); -} - // Accessor class for the ELF file header. template @@ -587,61 +854,67 @@ 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; } Elf_Half get_e_type() const - { return internal::convert_half(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(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(this->p_->e_version); } + { return Convert<32, big_endian>::convert_host(this->p_->e_version); } typename Elf_types::Elf_Addr get_e_entry() const - { return internal::convert_addr(this->p_->e_entry); } + { return Convert::convert_host(this->p_->e_entry); } typename Elf_types::Elf_Off get_e_phoff() const - { return internal::convert_off(this->p_->e_phoff); } + { return Convert::convert_host(this->p_->e_phoff); } typename Elf_types::Elf_Off get_e_shoff() const - { return internal::convert_off(this->p_->e_shoff); } + { return Convert::convert_host(this->p_->e_shoff); } Elf_Word get_e_flags() const - { return internal::convert_word(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(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(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(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(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(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(this->p_->e_shstrndx); } + { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); } private: const internal::Ehdr_data* p_; @@ -663,55 +936,55 @@ class Ehdr_write void put_e_type(Elf_Half v) - { this->p_->e_type = internal::convert_half(v); } - + { this->p_->e_type = Convert<16, big_endian>::convert_host(v); } + void put_e_machine(Elf_Half v) - { this->p_->e_machine = internal::convert_half(v); } + { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); } void put_e_version(Elf_Word v) - { this->p_->e_version = internal::convert_word(v); } + { this->p_->e_version = Convert<32, big_endian>::convert_host(v); } void put_e_entry(typename Elf_types::Elf_Addr v) - { this->p_->e_entry = internal::convert_addr(v); } + { this->p_->e_entry = Convert::convert_host(v); } void put_e_phoff(typename Elf_types::Elf_Off v) - { this->p_->e_phoff = internal::convert_off(v); } + { this->p_->e_phoff = Convert::convert_host(v); } void put_e_shoff(typename Elf_types::Elf_Off v) - { this->p_->e_shoff = internal::convert_off(v); } + { this->p_->e_shoff = Convert::convert_host(v); } void put_e_flags(Elf_Word v) - { this->p_->e_flags = internal::convert_word(v); } + { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); } void put_e_ehsize(Elf_Half v) - { this->p_->e_ehsize = internal::convert_half(v); } + { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); } void put_e_phentsize(Elf_Half v) - { this->p_->e_phentsize = internal::convert_half(v); } + { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); } void put_e_phnum(Elf_Half v) - { this->p_->e_phnum = internal::convert_half(v); } + { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); } void put_e_shentsize(Elf_Half v) - { this->p_->e_shentsize = internal::convert_half(v); } + { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); } void put_e_shnum(Elf_Half v) - { this->p_->e_shnum = internal::convert_half(v); } + { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); } void put_e_shstrndx(Elf_Half v) - { this->p_->e_shstrndx = internal::convert_half(v); } + { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); } private: internal::Ehdr_data* p_; @@ -727,46 +1000,52 @@ 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 internal::convert_word(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(this->p_->sh_type); } + { return Convert<32, big_endian>::convert_host(this->p_->sh_type); } typename Elf_types::Elf_WXword get_sh_flags() const - { return internal::convert_wxword(this->p_->sh_flags); } + { return Convert::convert_host(this->p_->sh_flags); } typename Elf_types::Elf_Addr get_sh_addr() const - { return internal::convert_addr(this->p_->sh_addr); } + { return Convert::convert_host(this->p_->sh_addr); } typename Elf_types::Elf_Off get_sh_offset() const - { return internal::convert_off(this->p_->sh_offset); } + { return Convert::convert_host(this->p_->sh_offset); } typename Elf_types::Elf_WXword get_sh_size() const - { return internal::convert_wxword(this->p_->sh_size); } + { return Convert::convert_host(this->p_->sh_size); } Elf_Word get_sh_link() const - { return internal::convert_word(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(this->p_->sh_info); } + { return Convert<32, big_endian>::convert_host(this->p_->sh_info); } typename Elf_types::Elf_WXword get_sh_addralign() const { return - internal::convert_wxword(this->p_->sh_addralign); } + Convert::convert_host(this->p_->sh_addralign); } typename Elf_types::Elf_WXword get_sh_entsize() const - { return internal::convert_wxword(this->p_->sh_entsize); } + { return Convert::convert_host(this->p_->sh_entsize); } private: const internal::Shdr_data* p_; @@ -784,43 +1063,43 @@ class Shdr_write void put_sh_name(Elf_Word v) - { this->p_->sh_name = internal::convert_word(v); } + { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); } void put_sh_type(Elf_Word v) - { this->p_->sh_type = internal::convert_word(v); } + { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); } void put_sh_flags(typename Elf_types::Elf_WXword v) - { this->p_->sh_flags = internal::convert_wxword(v); } + { this->p_->sh_flags = Convert::convert_host(v); } void put_sh_addr(typename Elf_types::Elf_Addr v) - { this->p_->sh_addr = internal::convert_addr(v); } + { this->p_->sh_addr = Convert::convert_host(v); } void put_sh_offset(typename Elf_types::Elf_Off v) - { this->p_->sh_offset = internal::convert_off(v); } + { this->p_->sh_offset = Convert::convert_host(v); } void put_sh_size(typename Elf_types::Elf_WXword v) - { this->p_->sh_size = internal::convert_wxword(v); } + { this->p_->sh_size = Convert::convert_host(v); } void put_sh_link(Elf_Word v) - { this->p_->sh_link = internal::convert_word(v); } + { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); } void put_sh_info(Elf_Word v) - { this->p_->sh_info = internal::convert_word(v); } + { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); } void put_sh_addralign(typename Elf_types::Elf_WXword v) - { this->p_->sh_addralign = internal::convert_wxword(v); } + { this->p_->sh_addralign = Convert::convert_host(v); } void put_sh_entsize(typename Elf_types::Elf_WXword v) - { this->p_->sh_entsize = internal::convert_wxword(v); } + { this->p_->sh_entsize = Convert::convert_host(v); } private: internal::Shdr_data* p_; @@ -836,37 +1115,43 @@ 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 internal::convert_word(this->p_->p_type); } + { return Convert<32, big_endian>::convert_host(this->p_->p_type); } typename Elf_types::Elf_Off get_p_offset() const - { return internal::convert_off(this->p_->p_offset); } + { return Convert::convert_host(this->p_->p_offset); } typename Elf_types::Elf_Addr get_p_vaddr() const - { return internal::convert_addr(this->p_->p_vaddr); } + { return Convert::convert_host(this->p_->p_vaddr); } typename Elf_types::Elf_Addr get_p_paddr() const - { return internal::convert_addr(this->p_->p_paddr); } + { return Convert::convert_host(this->p_->p_paddr); } typename Elf_types::Elf_WXword get_p_filesz() const - { return internal::convert_wxword(this->p_->p_filesz); } + { return Convert::convert_host(this->p_->p_filesz); } typename Elf_types::Elf_WXword get_p_memsz() const - { return internal::convert_wxword(this->p_->p_memsz); } + { return Convert::convert_host(this->p_->p_memsz); } Elf_Word get_p_flags() const - { return internal::convert_word(this->p_->p_flags); } + { return Convert<32, big_endian>::convert_host(this->p_->p_flags); } typename Elf_types::Elf_WXword get_p_align() const - { return internal::convert_wxword(this->p_->p_align); } + { return Convert::convert_host(this->p_->p_align); } private: const internal::Phdr_data* p_; @@ -884,35 +1169,35 @@ class Phdr_write void put_p_type(Elf_Word v) - { this->p_->p_type = internal::convert_word(v); } + { this->p_->p_type = Convert<32, big_endian>::convert_host(v); } void put_p_offset(typename Elf_types::Elf_Off v) - { this->p_->p_offset = internal::convert_off(v); } + { this->p_->p_offset = Convert::convert_host(v); } void put_p_vaddr(typename Elf_types::Elf_Addr v) - { this->p_->p_vaddr = internal::convert_addr(v); } + { this->p_->p_vaddr = Convert::convert_host(v); } void put_p_paddr(typename Elf_types::Elf_Addr v) - { this->p_->p_paddr = internal::convert_addr(v); } + { this->p_->p_paddr = Convert::convert_host(v); } void put_p_filesz(typename Elf_types::Elf_WXword v) - { this->p_->p_filesz = internal::convert_wxword(v); } + { this->p_->p_filesz = Convert::convert_host(v); } void put_p_memsz(typename Elf_types::Elf_WXword v) - { this->p_->p_memsz = internal::convert_wxword(v); } + { this->p_->p_memsz = Convert::convert_host(v); } void put_p_flags(Elf_Word v) - { this->p_->p_flags = internal::convert_word(v); } + { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); } void put_p_align(typename Elf_types::Elf_WXword v) - { this->p_->p_align = internal::convert_wxword(v); } + { this->p_->p_align = Convert::convert_host(v); } private: internal::Phdr_data* p_; @@ -928,17 +1213,23 @@ 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 internal::convert_word(this->p_->st_name); } + { return Convert<32, big_endian>::convert_host(this->p_->st_name); } typename Elf_types::Elf_Addr get_st_value() const - { return internal::convert_addr(this->p_->st_value); } + { return Convert::convert_host(this->p_->st_value); } typename Elf_types::Elf_WXword get_st_size() const - { return internal::convert_wxword(this->p_->st_size); } + { return Convert::convert_host(this->p_->st_size); } unsigned char get_st_info() const @@ -966,7 +1257,7 @@ class Sym Elf_Half get_st_shndx() const - { return internal::convert_half(this->p_->st_shndx); } + { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); } private: const internal::Sym_data* p_; @@ -984,15 +1275,15 @@ class Sym_write void put_st_name(Elf_Word v) - { this->p_->st_name = internal::convert_word(v); } + { this->p_->st_name = Convert<32, big_endian>::convert_host(v); } void put_st_value(typename Elf_types::Elf_Addr v) - { this->p_->st_value = internal::convert_addr(v); } + { this->p_->st_value = Convert::convert_host(v); } void put_st_size(typename Elf_types::Elf_WXword v) - { this->p_->st_size = internal::convert_wxword(v); } + { this->p_->st_size = Convert::convert_host(v); } void put_st_info(unsigned char v) @@ -1012,7 +1303,7 @@ class Sym_write void put_st_shndx(Elf_Half v) - { this->p_->st_shndx = internal::convert_half(v); } + { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); } Sym sym() @@ -1022,7 +1313,7 @@ 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 @@ -1032,18 +1323,48 @@ 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 internal::convert_addr(this->p_->r_offset); } + { return Convert::convert_host(this->p_->r_offset); } typename Elf_types::Elf_WXword get_r_info() const - { return internal::convert_wxword(this->p_->r_info); } + { return Convert::convert_host(this->p_->r_info); } private: 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 { @@ -1052,22 +1373,395 @@ 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 internal::convert_addr(this->p_->r_offset); } + { return Convert::convert_host(this->p_->r_offset); } typename Elf_types::Elf_WXword get_r_info() const - { return internal::convert_wxword(this->p_->r_info); } + { return Convert::convert_host(this->p_->r_info); } typename Elf_types::Elf_Swxword get_r_addend() const - { return internal::convert_swxword(this->p_->r_addend); } + { return Convert::convert_host(this->p_->r_addend); } private: 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_; +}; + +// 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)