mirror of
https://github.com/intel/linux-sgx
synced 2026-06-08 14:49:32 +00:00
Li, Xun
d10cabebb5
Added new APIs in sgx_uae_service.h and sgx_ukey_exchange.h to support ECDSA quote based remote attestation. The set of legacy APIs supports EPID only and the set of new APIs supports ECDSA quotes. Enhanced Edger8r with structure deep-copy feature. Fixed bugs. Signed-off-by: Li, Xun <xun.li@intel.com>
484 lines
19 KiB
C++
484 lines
19 KiB
C++
/*=============================================================================
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Library: CppMicroServices
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Copyright (c) The CppMicroServices developers. See the COPYRIGHT
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file at the top-level directory of this distribution and at
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https://github.com/CppMicroServices/CppMicroServices/COPYRIGHT .
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This file is a modified version of the elf.h header included
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in the libc6-dev package. Unneeded definitions have been removed.
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=============================================================================*/
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/* This file defines standard ELF types, structures, and macros.
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Copyright (C) 1995-2014 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef CPPMICROSERVICES_ELF_H
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#define CPPMICROSERVICES_ELF_H 1
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/* Standard ELF types. */
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#include <cstdint>
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/* Type for a 16-bit quantity. */
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typedef uint16_t Elf32_Half;
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typedef uint16_t Elf64_Half;
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/* Types for signed and unsigned 32-bit quantities. */
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typedef uint32_t Elf32_Word;
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typedef int32_t Elf32_Sword;
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typedef uint32_t Elf64_Word;
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typedef int32_t Elf64_Sword;
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/* Types for signed and unsigned 64-bit quantities. */
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typedef uint64_t Elf32_Xword;
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typedef int64_t Elf32_Sxword;
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typedef uint64_t Elf64_Xword;
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typedef int64_t Elf64_Sxword;
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/* Type of addresses. */
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typedef uint32_t Elf32_Addr;
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typedef uint64_t Elf64_Addr;
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/* Type of file offsets. */
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typedef uint32_t Elf32_Off;
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typedef uint64_t Elf64_Off;
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/* Type for section indices, which are 16-bit quantities. */
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typedef uint16_t Elf32_Section;
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typedef uint16_t Elf64_Section;
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/* The ELF file header. This appears at the start of every ELF file. */
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#define EI_NIDENT (16)
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typedef struct
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{
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unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
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Elf32_Half e_type; /* Object file type */
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Elf32_Half e_machine; /* Architecture */
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Elf32_Word e_version; /* Object file version */
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Elf32_Addr e_entry; /* Entry point virtual address */
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Elf32_Off e_phoff; /* Program header table file offset */
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Elf32_Off e_shoff; /* Section header table file offset */
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Elf32_Word e_flags; /* Processor-specific flags */
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Elf32_Half e_ehsize; /* ELF header size in bytes */
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Elf32_Half e_phentsize; /* Program header table entry size */
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Elf32_Half e_phnum; /* Program header table entry count */
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Elf32_Half e_shentsize; /* Section header table entry size */
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Elf32_Half e_shnum; /* Section header table entry count */
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Elf32_Half e_shstrndx; /* Section header string table index */
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} Elf32_Ehdr;
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typedef struct
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{
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unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
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Elf64_Half e_type; /* Object file type */
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Elf64_Half e_machine; /* Architecture */
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Elf64_Word e_version; /* Object file version */
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Elf64_Addr e_entry; /* Entry point virtual address */
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Elf64_Off e_phoff; /* Program header table file offset */
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Elf64_Off e_shoff; /* Section header table file offset */
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Elf64_Word e_flags; /* Processor-specific flags */
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Elf64_Half e_ehsize; /* ELF header size in bytes */
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Elf64_Half e_phentsize; /* Program header table entry size */
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Elf64_Half e_phnum; /* Program header table entry count */
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Elf64_Half e_shentsize; /* Section header table entry size */
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Elf64_Half e_shnum; /* Section header table entry count */
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Elf64_Half e_shstrndx; /* Section header string table index */
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} Elf64_Ehdr;
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/* Fields in the e_ident array. The EI_* macros are indices into the
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array. The macros under each EI_* macro are the values the byte
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may have. */
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#define EI_MAG0 0 /* File identification byte 0 index */
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#define ELFMAG0 0x7f /* Magic number byte 0 */
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#define EI_MAG1 1 /* File identification byte 1 index */
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#define ELFMAG1 'E' /* Magic number byte 1 */
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#define EI_MAG2 2 /* File identification byte 2 index */
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#define ELFMAG2 'L' /* Magic number byte 2 */
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#define EI_MAG3 3 /* File identification byte 3 index */
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#define ELFMAG3 'F' /* Magic number byte 3 */
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/* Conglomeration of the identification bytes, for easy testing as a word. */
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#define ELFMAG "\177ELF"
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#define SELFMAG 4
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#define EI_CLASS 4 /* File class byte index */
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#define ELFCLASSNONE 0 /* Invalid class */
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#define ELFCLASS32 1 /* 32-bit objects */
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#define ELFCLASS64 2 /* 64-bit objects */
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#define ELFCLASSNUM 3
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#define EI_DATA 5 /* Data encoding byte index */
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#define ELFDATANONE 0 /* Invalid data encoding */
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#define ELFDATA2LSB 1 /* 2's complement, little endian */
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#define ELFDATA2MSB 2 /* 2's complement, big endian */
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#define ELFDATANUM 3
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#define EI_VERSION 6 /* File version byte index */
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/* Value must be EV_CURRENT */
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#define EI_OSABI 7 /* OS ABI identification */
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#define ELFOSABI_NONE 0 /* UNIX System V ABI */
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#define ELFOSABI_SYSV 0 /* Alias. */
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#define ELFOSABI_HPUX 1 /* HP-UX */
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#define ELFOSABI_NETBSD 2 /* NetBSD. */
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#define ELFOSABI_GNU 3 /* Object uses GNU ELF extensions. */
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#define ELFOSABI_LINUX ELFOSABI_GNU /* Compatibility alias. */
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#define ELFOSABI_SOLARIS 6 /* Sun Solaris. */
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#define ELFOSABI_AIX 7 /* IBM AIX. */
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#define ELFOSABI_IRIX 8 /* SGI Irix. */
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#define ELFOSABI_FREEBSD 9 /* FreeBSD. */
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#define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX. */
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#define ELFOSABI_MODESTO 11 /* Novell Modesto. */
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#define ELFOSABI_OPENBSD 12 /* OpenBSD. */
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#define ELFOSABI_ARM_AEABI 64 /* ARM EABI */
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#define ELFOSABI_ARM 97 /* ARM */
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#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
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#define EI_ABIVERSION 8 /* ABI version */
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#define EI_PAD 9 /* Byte index of padding bytes */
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/* Legal values for e_type (object file type). */
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#define ET_NONE 0 /* No file type */
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#define ET_REL 1 /* Relocatable file */
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#define ET_EXEC 2 /* Executable file */
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#define ET_DYN 3 /* Shared object file */
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#define ET_CORE 4 /* Core file */
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#define ET_NUM 5 /* Number of defined types */
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#define ET_LOOS 0xfe00 /* OS-specific range start */
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#define ET_HIOS 0xfeff /* OS-specific range end */
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#define ET_LOPROC 0xff00 /* Processor-specific range start */
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#define ET_HIPROC 0xffff /* Processor-specific range end */
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/* Legal values for e_version (version). */
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#define EV_NONE 0 /* Invalid ELF version */
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#define EV_CURRENT 1 /* Current version */
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#define EV_NUM 2
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/* Section header. */
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typedef struct
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{
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Elf32_Word sh_name; /* Section name (string tbl index) */
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Elf32_Word sh_type; /* Section type */
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Elf32_Word sh_flags; /* Section flags */
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Elf32_Addr sh_addr; /* Section virtual addr at execution */
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Elf32_Off sh_offset; /* Section file offset */
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Elf32_Word sh_size; /* Section size in bytes */
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Elf32_Word sh_link; /* Link to another section */
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Elf32_Word sh_info; /* Additional section information */
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Elf32_Word sh_addralign; /* Section alignment */
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Elf32_Word sh_entsize; /* Entry size if section holds table */
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} Elf32_Shdr;
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typedef struct
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{
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Elf64_Word sh_name; /* Section name (string tbl index) */
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Elf64_Word sh_type; /* Section type */
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Elf64_Xword sh_flags; /* Section flags */
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Elf64_Addr sh_addr; /* Section virtual addr at execution */
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Elf64_Off sh_offset; /* Section file offset */
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Elf64_Xword sh_size; /* Section size in bytes */
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Elf64_Word sh_link; /* Link to another section */
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Elf64_Word sh_info; /* Additional section information */
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Elf64_Xword sh_addralign; /* Section alignment */
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Elf64_Xword sh_entsize; /* Entry size if section holds table */
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} Elf64_Shdr;
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/* Special section indices. */
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#define SHN_UNDEF 0 /* Undefined section */
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#define SHN_LORESERVE 0xff00 /* Start of reserved indices */
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#define SHN_LOPROC 0xff00 /* Start of processor-specific */
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#define SHN_BEFORE 0xff00 /* Order section before all others
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(Solaris). */
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#define SHN_AFTER 0xff01 /* Order section after all others
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(Solaris). */
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#define SHN_HIPROC 0xff1f /* End of processor-specific */
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#define SHN_LOOS 0xff20 /* Start of OS-specific */
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#define SHN_HIOS 0xff3f /* End of OS-specific */
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#define SHN_ABS 0xfff1 /* Associated symbol is absolute */
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#define SHN_COMMON 0xfff2 /* Associated symbol is common */
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#define SHN_XINDEX 0xffff /* Index is in extra table. */
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#define SHN_HIRESERVE 0xffff /* End of reserved indices */
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/* Legal values for sh_type (section type). */
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#define SHT_NULL 0 /* Section header table entry unused */
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#define SHT_PROGBITS 1 /* Program data */
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#define SHT_SYMTAB 2 /* Symbol table */
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#define SHT_STRTAB 3 /* String table */
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#define SHT_RELA 4 /* Relocation entries with addends */
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#define SHT_HASH 5 /* Symbol hash table */
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#define SHT_DYNAMIC 6 /* Dynamic linking information */
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#define SHT_NOTE 7 /* Notes */
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#define SHT_NOBITS 8 /* Program space with no data (bss) */
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#define SHT_REL 9 /* Relocation entries, no addends */
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#define SHT_SHLIB 10 /* Reserved */
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#define SHT_DYNSYM 11 /* Dynamic linker symbol table */
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#define SHT_INIT_ARRAY 14 /* Array of constructors */
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#define SHT_FINI_ARRAY 15 /* Array of destructors */
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#define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */
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#define SHT_GROUP 17 /* Section group */
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#define SHT_SYMTAB_SHNDX 18 /* Extended section indeces */
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#define SHT_NUM 19 /* Number of defined types. */
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#define SHT_LOOS 0x60000000 /* Start OS-specific. */
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#define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes. */
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#define SHT_GNU_HASH 0x6ffffff6 /* GNU-style hash table. */
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#define SHT_GNU_LIBLIST 0x6ffffff7 /* Prelink library list */
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#define SHT_CHECKSUM 0x6ffffff8 /* Checksum for DSO content. */
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#define SHT_LOSUNW 0x6ffffffa /* Sun-specific low bound. */
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#define SHT_SUNW_move 0x6ffffffa
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#define SHT_SUNW_COMDAT 0x6ffffffb
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#define SHT_SUNW_syminfo 0x6ffffffc
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#define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */
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#define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */
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#define SHT_GNU_versym 0x6fffffff /* Version symbol table. */
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#define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */
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#define SHT_HIOS 0x6fffffff /* End OS-specific type */
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#define SHT_LOPROC 0x70000000 /* Start of processor-specific */
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#define SHT_HIPROC 0x7fffffff /* End of processor-specific */
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#define SHT_LOUSER 0x80000000 /* Start of application-specific */
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#define SHT_HIUSER 0x8fffffff /* End of application-specific */
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/* Legal values for sh_flags (section flags). */
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#define SHF_WRITE (1 << 0) /* Writable */
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#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
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#define SHF_EXECINSTR (1 << 2) /* Executable */
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#define SHF_MERGE (1 << 4) /* Might be merged */
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#define SHF_STRINGS (1 << 5) /* Contains nul-terminated strings */
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#define SHF_INFO_LINK (1 << 6) /* `sh_info' contains SHT index */
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#define SHF_LINK_ORDER (1 << 7) /* Preserve order after combining */
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#define SHF_OS_NONCONFORMING (1 << 8) /* Non-standard OS specific handling
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required */
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#define SHF_GROUP (1 << 9) /* Section is member of a group. */
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#define SHF_TLS (1 << 10) /* Section hold thread-local data. */
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#define SHF_MASKOS 0x0ff00000 /* OS-specific. */
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#define SHF_MASKPROC 0xf0000000 /* Processor-specific */
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#define SHF_ORDERED (1 << 30) /* Special ordering requirement
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(Solaris). */
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#define SHF_EXCLUDE (1 << 31) /* Section is excluded unless
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referenced or allocated (Solaris).*/
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/* Section group handling. */
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#define GRP_COMDAT 0x1 /* Mark group as COMDAT. */
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/* Symbol table entry. */
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typedef struct
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{
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Elf32_Word st_name; /* Symbol name (string tbl index) */
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Elf32_Addr st_value; /* Symbol value */
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Elf32_Word st_size; /* Symbol size */
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unsigned char st_info; /* Symbol type and binding */
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unsigned char st_other; /* Symbol visibility */
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Elf32_Section st_shndx; /* Section index */
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} Elf32_Sym;
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typedef struct
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{
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Elf64_Word st_name; /* Symbol name (string tbl index) */
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unsigned char st_info; /* Symbol type and binding */
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unsigned char st_other; /* Symbol visibility */
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Elf64_Section st_shndx; /* Section index */
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Elf64_Addr st_value; /* Symbol value */
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Elf64_Xword st_size; /* Symbol size */
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} Elf64_Sym;
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/* The syminfo section if available contains additional information about
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every dynamic symbol. */
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typedef struct
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{
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Elf32_Half si_boundto; /* Direct bindings, symbol bound to */
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Elf32_Half si_flags; /* Per symbol flags */
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} Elf32_Syminfo;
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typedef struct
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{
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Elf64_Half si_boundto; /* Direct bindings, symbol bound to */
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Elf64_Half si_flags; /* Per symbol flags */
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} Elf64_Syminfo;
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/* Possible values for si_boundto. */
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#define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */
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#define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */
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#define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */
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/* Possible bitmasks for si_flags. */
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#define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */
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#define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */
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#define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */
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#define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy
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loaded */
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/* Syminfo version values. */
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#define SYMINFO_NONE 0
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#define SYMINFO_CURRENT 1
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#define SYMINFO_NUM 2
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/* How to extract and insert information held in the st_info field. */
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#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4)
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#define ELF32_ST_TYPE(val) ((val) & 0xf)
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#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
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/* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */
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#define ELF64_ST_BIND(val) ELF32_ST_BIND (val)
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#define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val)
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#define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type))
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/* Legal values for ST_BIND subfield of st_info (symbol binding). */
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#define STB_LOCAL 0 /* Local symbol */
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#define STB_GLOBAL 1 /* Global symbol */
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#define STB_WEAK 2 /* Weak symbol */
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#define STB_NUM 3 /* Number of defined types. */
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#define STB_LOOS 10 /* Start of OS-specific */
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#define STB_GNU_UNIQUE 10 /* Unique symbol. */
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#define STB_HIOS 12 /* End of OS-specific */
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#define STB_LOPROC 13 /* Start of processor-specific */
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#define STB_HIPROC 15 /* End of processor-specific */
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/* Legal values for ST_TYPE subfield of st_info (symbol type). */
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#define STT_NOTYPE 0 /* Symbol type is unspecified */
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#define STT_OBJECT 1 /* Symbol is a data object */
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#define STT_FUNC 2 /* Symbol is a code object */
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#define STT_SECTION 3 /* Symbol associated with a section */
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#define STT_FILE 4 /* Symbol's name is file name */
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#define STT_COMMON 5 /* Symbol is a common data object */
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#define STT_TLS 6 /* Symbol is thread-local data object*/
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#define STT_NUM 7 /* Number of defined types. */
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#define STT_LOOS 10 /* Start of OS-specific */
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#define STT_GNU_IFUNC 10 /* Symbol is indirect code object */
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#define STT_HIOS 12 /* End of OS-specific */
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#define STT_LOPROC 13 /* Start of processor-specific */
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#define STT_HIPROC 15 /* End of processor-specific */
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/* Symbol table indices are found in the hash buckets and chain table
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of a symbol hash table section. This special index value indicates
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the end of a chain, meaning no further symbols are found in that bucket. */
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#define STN_UNDEF 0 /* End of a chain. */
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/* Program segment header. */
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typedef struct
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{
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Elf32_Word p_type; /* Segment type */
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Elf32_Off p_offset; /* Segment file offset */
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Elf32_Addr p_vaddr; /* Segment virtual address */
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Elf32_Addr p_paddr; /* Segment physical address */
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Elf32_Word p_filesz; /* Segment size in file */
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Elf32_Word p_memsz; /* Segment size in memory */
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Elf32_Word p_flags; /* Segment flags */
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Elf32_Word p_align; /* Segment alignment */
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} Elf32_Phdr;
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typedef struct
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{
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Elf64_Word p_type; /* Segment type */
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Elf64_Word p_flags; /* Segment flags */
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Elf64_Off p_offset; /* Segment file offset */
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Elf64_Addr p_vaddr; /* Segment virtual address */
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Elf64_Addr p_paddr; /* Segment physical address */
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Elf64_Xword p_filesz; /* Segment size in file */
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Elf64_Xword p_memsz; /* Segment size in memory */
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Elf64_Xword p_align; /* Segment alignment */
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} Elf64_Phdr;
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/* Dynamic section entry. */
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typedef struct
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{
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Elf32_Sword d_tag; /* Dynamic entry type */
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union
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{
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Elf32_Word d_val; /* Integer value */
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Elf32_Addr d_ptr; /* Address value */
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} d_un;
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} Elf32_Dyn;
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typedef struct
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{
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Elf64_Sxword d_tag; /* Dynamic entry type */
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union
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{
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Elf64_Xword d_val; /* Integer value */
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Elf64_Addr d_ptr; /* Address value */
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} d_un;
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} Elf64_Dyn;
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/* Legal values for d_tag (dynamic entry type). */
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#define DT_NULL 0 /* Marks end of dynamic section */
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#define DT_NEEDED 1 /* Name of needed library */
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#define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */
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#define DT_PLTGOT 3 /* Processor defined value */
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#define DT_HASH 4 /* Address of symbol hash table */
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#define DT_STRTAB 5 /* Address of string table */
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#define DT_SYMTAB 6 /* Address of symbol table */
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#define DT_RELA 7 /* Address of Rela relocs */
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#define DT_RELASZ 8 /* Total size of Rela relocs */
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#define DT_RELAENT 9 /* Size of one Rela reloc */
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#define DT_STRSZ 10 /* Size of string table */
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#define DT_SYMENT 11 /* Size of one symbol table entry */
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#define DT_INIT 12 /* Address of init function */
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#define DT_FINI 13 /* Address of termination function */
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#define DT_SONAME 14 /* Name of shared object */
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#define DT_RPATH 15 /* Library search path (deprecated) */
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#define DT_SYMBOLIC 16 /* Start symbol search here */
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#define DT_REL 17 /* Address of Rel relocs */
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#define DT_RELSZ 18 /* Total size of Rel relocs */
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#define DT_RELENT 19 /* Size of one Rel reloc */
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#define DT_PLTREL 20 /* Type of reloc in PLT */
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#define DT_DEBUG 21 /* For debugging; unspecified */
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#define DT_TEXTREL 22 /* Reloc might modify .text */
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#define DT_JMPREL 23 /* Address of PLT relocs */
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#define DT_BIND_NOW 24 /* Process relocations of object */
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#define DT_INIT_ARRAY 25 /* Array with addresses of init fct */
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#define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */
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#define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */
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#define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */
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#define DT_RUNPATH 29 /* Library search path */
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#define DT_FLAGS 30 /* Flags for the object being loaded */
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#define DT_ENCODING 32 /* Start of encoded range */
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#define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/
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#define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */
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#define DT_NUM 34 /* Number used */
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#define DT_LOOS 0x6000000d /* Start of OS-specific */
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#define DT_HIOS 0x6ffff000 /* End of OS-specific */
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#define DT_LOPROC 0x70000000 /* Start of processor-specific */
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#define DT_HIPROC 0x7fffffff /* End of processor-specific */
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#define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */
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#endif /* elf.h */
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