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v2.39
elfcpp/elfcpp_internal.h
285 строк
7 KB
Ziyao
Import source from binutils
18 сен 2022, 18:55
18 сен 2022, 18:55
3605144
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// elfcpp_internal.h -- internals for elfcpp -*- C++ -*- // Copyright (C) 2006-2022 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 included by elfcpp.h, the external interface, but holds // information which we want to keep private. #ifndef ELFCPP_INTERNAL_H #define ELFCPP_INTERNAL_H namespace elfcpp { namespace internal { // The ELF file header. template<int size> struct Ehdr_data { unsigned char e_ident[EI_NIDENT]; Elf_Half e_type; Elf_Half e_machine; Elf_Word e_version; typename Elf_types<size>::Elf_Addr e_entry; typename Elf_types<size>::Elf_Off e_phoff; typename Elf_types<size>::Elf_Off e_shoff; Elf_Word e_flags; Elf_Half e_ehsize; Elf_Half e_phentsize; Elf_Half e_phnum; Elf_Half e_shentsize; Elf_Half e_shnum; Elf_Half e_shstrndx; }; // An ELF section header. template<int size> struct Shdr_data { Elf_Word sh_name; Elf_Word sh_type; typename Elf_types<size>::Elf_WXword sh_flags; typename Elf_types<size>::Elf_Addr sh_addr; typename Elf_types<size>::Elf_Off sh_offset; typename Elf_types<size>::Elf_WXword sh_size; Elf_Word sh_link; Elf_Word sh_info; typename Elf_types<size>::Elf_WXword sh_addralign; typename Elf_types<size>::Elf_WXword sh_entsize; }; // An ELF compression header. template<int size> struct Chdr_data; template<> struct Chdr_data<32> { Elf_Word ch_type; Elf_Word ch_size; Elf_Word ch_addralign; }; template<> struct Chdr_data<64> { Elf_Word ch_type; Elf_Word ch_reserved; Elf_Xword ch_size; Elf_Xword ch_addralign; }; // An ELF segment header. We use template specialization for the // 32-bit and 64-bit versions because the fields are in a different // order. template<int size> struct Phdr_data; template<> struct Phdr_data<32> { Elf_Word p_type; Elf_types<32>::Elf_Off p_offset; Elf_types<32>::Elf_Addr p_vaddr; Elf_types<32>::Elf_Addr p_paddr; Elf_Word p_filesz; Elf_Word p_memsz; Elf_Word p_flags; Elf_Word p_align; }; template<> struct Phdr_data<64> { Elf_Word p_type; Elf_Word p_flags; Elf_types<64>::Elf_Off p_offset; Elf_types<64>::Elf_Addr p_vaddr; Elf_types<64>::Elf_Addr p_paddr; Elf_Xword p_filesz; Elf_Xword p_memsz; Elf_Xword p_align; }; // An ELF symbol table entry. We use template specialization for the // 32-bit and 64-bit versions because the fields are in a different // order. template<int size> struct Sym_data; template<> struct Sym_data<32> { Elf_Word st_name; Elf_types<32>::Elf_Addr st_value; Elf_Word st_size; unsigned char st_info; unsigned char st_other; Elf_Half st_shndx; }; template<> struct Sym_data<64> { Elf_Word st_name; unsigned char st_info; unsigned char st_other; Elf_Half st_shndx; Elf_types<64>::Elf_Addr st_value; Elf_Xword st_size; }; // ELF relocation table entries. template<int size> struct Rel_data { typename Elf_types<size>::Elf_Addr r_offset; typename Elf_types<size>::Elf_WXword r_info; }; template<int size> struct Rela_data { typename Elf_types<size>::Elf_Addr r_offset; typename Elf_types<size>::Elf_WXword r_info; typename Elf_types<size>::Elf_Swxword r_addend; }; // MIPS-64 has a non-standard layout for relocations. struct Mips64_rel_data { Elf_types<64>::Elf_Addr r_offset; Elf_Word r_sym; unsigned char r_ssym; unsigned char r_type3; unsigned char r_type2; unsigned char r_type; }; struct Mips64_rela_data { Elf_types<64>::Elf_Addr r_offset; Elf_Word r_sym; unsigned char r_ssym; unsigned char r_type3; unsigned char r_type2; unsigned char r_type; Elf_types<64>::Elf_Swxword r_addend; }; // An entry in the ELF SHT_DYNAMIC section aka PT_DYNAMIC segment. template<int size> struct Dyn_data { typename Elf_types<size>::Elf_Swxword d_tag; typename Elf_types<size>::Elf_WXword d_val; }; // An entry in a SHT_GNU_verdef section. This structure is the same // in 32-bit and 64-bit ELF files. struct Verdef_data { // Version number of structure (VER_DEF_*). Elf_Half vd_version; // Bit flags (VER_FLG_*). Elf_Half vd_flags; // Version index. Elf_Half vd_ndx; // Number of auxiliary Verdaux entries. Elf_Half vd_cnt; // Hash of name. Elf_Word vd_hash; // Byte offset to first Verdaux entry. Elf_Word vd_aux; // Byte offset to next Verdef entry. Elf_Word vd_next; }; // An auxiliary entry in a SHT_GNU_verdef section. This structure is // the same in 32-bit and 64-bit ELF files. struct Verdaux_data { // Offset in string table of version name. Elf_Word vda_name; // Byte offset to next Verdaux entry. Elf_Word vda_next; }; // An entry in a SHT_GNU_verneed section. This structure is the same // in 32-bit and 64-bit ELF files. struct Verneed_data { // Version number of structure (VER_NEED_*). Elf_Half vn_version; // Number of auxiliary Vernaux entries. Elf_Half vn_cnt; // Offset in string table of library name. Elf_Word vn_file; // Byte offset to first Vernaux entry. Elf_Word vn_aux; // Byt eoffset to next Verneed entry. Elf_Word vn_next; }; // An auxiliary entry in a SHT_GNU_verneed section. This structure is // the same in 32-bit and 64-bit ELF files. struct Vernaux_data { // Hash of dependency name. Elf_Word vna_hash; // Bit flags (VER_FLG_*). Elf_Half vna_flags; // Version index used in SHT_GNU_versym entries. Elf_Half vna_other; // Offset in string table of version name. Elf_Word vna_name; // Byte offset to next Vernaux entry. Elf_Word vna_next; }; } // End namespace internal. } // End namespace elfcpp. #endif // !defined(ELFCPP_INTERNAL_H)