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115 lines
4.9 KiB
C++
115 lines
4.9 KiB
C++
// x86-64.h -- ELF definitions specific to EM_X86_64 -*- C++ -*-
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// Copyright (C) 2006-2018 Free Software Foundation, Inc.
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// Written by Andrew Chatham.
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// This file is part of elfcpp.
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public License
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// as published by the Free Software Foundation; either version 2, or
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// (at your option) any later version.
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// In addition to the permissions in the GNU Library General Public
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// License, the Free Software Foundation gives you unlimited
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// permission to link the compiled version of this file into
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// combinations with other programs, and to distribute those
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// combinations without any restriction coming from the use of this
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// file. (The Library Public License restrictions do apply in other
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// respects; for example, they cover modification of the file, and
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/// distribution when not linked into a combined executable.)
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// This program is distributed in the hope that it will be useful, but
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// 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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// Library General Public License for more details.
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// You should have received a copy of the GNU Library General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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// 02110-1301, USA.
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#ifndef ELFCPP_X86_64_H
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#define ELFCPP_X86_64_H
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namespace elfcpp
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{
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// Documentation is taken from
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// http://www.x86-64.org/documentation/abi-0.98.pdf
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// elf.h
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// Documentation for the TLS relocs is taken from
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// http://people.redhat.com/drepper/tls.pdf
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// http://www.lsd.ic.unicamp.br/~oliva/writeups/TLS/RFC-TLSDESC-x86.txt
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enum
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{
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R_X86_64_NONE = 0, // No reloc
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R_X86_64_64 = 1, // Direct 64 bit
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R_X86_64_PC32 = 2, // PC relative 32 bit signed
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R_X86_64_GOT32 = 3, // 32 bit GOT entry
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R_X86_64_PLT32 = 4, // 32 bit PLT address
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R_X86_64_COPY = 5, // Copy symbol at runtime
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R_X86_64_GLOB_DAT = 6, // Create GOT entry
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R_X86_64_JUMP_SLOT = 7, // Create PLT entry
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R_X86_64_RELATIVE = 8, // Adjust by program base
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R_X86_64_GOTPCREL = 9, // 32 bit signed PC relative offset to GOT
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R_X86_64_32 = 10, // Direct 32 bit zero extended
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R_X86_64_32S = 11, // Direct 32 bit sign extended
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R_X86_64_16 = 12, // Direct 16 bit zero extended
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R_X86_64_PC16 = 13, // 16 bit sign extended pc relative
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R_X86_64_8 = 14, // Direct 8 bit sign extended
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R_X86_64_PC8 = 15, // 8 bit sign extended pc relative
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// TLS relocations
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R_X86_64_DTPMOD64 = 16, // ID of module containing symbol
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R_X86_64_DTPOFF64 = 17, // Offset in module's TLS block
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R_X86_64_TPOFF64 = 18, // Offset in initial TLS block
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R_X86_64_TLSGD = 19, // 32 bit signed PC relative offset to two
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// GOT entries for GD symbol
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R_X86_64_TLSLD = 20, // 32 bit signed PC relative offset to two
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// GOT entries for LD symbol
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R_X86_64_DTPOFF32 = 21, // Offset in TLS block
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R_X86_64_GOTTPOFF = 22, // 32 bit signed PC relative offset to GOT
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// entry for IE symbol
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R_X86_64_TPOFF32 = 23, // Offset in initial TLS block
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R_X86_64_PC64 = 24, // 64-bit PC relative
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R_X86_64_GOTOFF64 = 25, // 64-bit GOT offset
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R_X86_64_GOTPC32 = 26, // 32-bit PC relative offset to GOT
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R_X86_64_GOT64 = 27, // 64-bit GOT entry offset
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R_X86_64_GOTPCREL64 = 28, // 64-bit PC relative offset to GOT entry
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R_X86_64_GOTPC64 = 29, // 64-bit PC relative offset to GOT
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R_X86_64_GOTPLT64 = 30, // Like GOT64, indicates that PLT entry needed
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R_X86_64_PLTOFF64 = 31, // 64-bit GOT relative offset to PLT entry
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R_X86_64_SIZE32 = 32,
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R_X86_64_SIZE64 = 33,
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R_X86_64_GOTPC32_TLSDESC = 34, // 32-bit PC relative to TLS descriptor in GOT
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R_X86_64_TLSDESC_CALL = 35, // Relaxable call through TLS descriptor
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R_X86_64_TLSDESC = 36, // 2 by 64-bit TLS descriptor
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R_X86_64_IRELATIVE = 37, // Adjust indirectly by program base
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R_X86_64_RELATIVE64 = 38, // 64-bit adjust by program base
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R_X86_64_PC32_BND = 39, // PC relative 32 bit signed with BND prefix
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R_X86_64_PLT32_BND = 40, // 32 bit PLT address with BND prefix
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R_X86_64_GOTPCRELX = 41, // 32 bit signed PC relative offset to GOT
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// without REX prefix, relaxable.
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R_X86_64_REX_GOTPCRELX = 42, // 32 bit signed PC relative offset to GOT
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// with REX prefix, relaxable.
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// GNU vtable garbage collection extensions.
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R_X86_64_GNU_VTINHERIT = 250,
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R_X86_64_GNU_VTENTRY = 251
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};
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// The bit values that can appear in the GNU_PROPERTY_X86_FEATURE_1_AND
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// program property.
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const uint64_t GNU_PROPERTY_X86_FEATURE_1_IBT = 1ULL << 0;
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const uint64_t GNU_PROPERTY_X86_FEATURE_1_SHSTK = 1ULL << 1;
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} // End namespace elfcpp.
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#endif // !defined(ELFCPP_X86_64_H)
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