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100 lines
4.5 KiB
C++
100 lines
4.5 KiB
C++
// i386.h -- ELF definitions specific to EM_386 -*- C++ -*-
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// Copyright (C) 2006-2023 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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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_I386_H
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#define ELFCPP_I386_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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namespace elfcpp
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{
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enum
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{
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R_386_NONE = 0, // No reloc
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R_386_32 = 1, // Direct 32 bit zero extended
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R_386_PC32 = 2, // PC relative 32 bit signed
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R_386_GOT32 = 3, // 32 bit GOT entry
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R_386_PLT32 = 4, // 32 bit PLT address
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R_386_COPY = 5, // Copy symbol at runtime
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R_386_GLOB_DAT = 6, // Create GOT entry
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R_386_JUMP_SLOT = 7, // Create PLT entry
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R_386_RELATIVE = 8, // Adjust by program base
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R_386_GOTOFF = 9, // 32-bit GOT offset
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R_386_GOTPC = 10, // 32-bit PC relative offset to GOT
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// Used by Sun.
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R_386_32PLT = 11,
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// TLS extensions.
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R_386_TLS_TPOFF = 14, // Outstanding Initial Exec reloc, gnu-style (both)
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R_386_TLS_IE = 15, // Initial Initial Exec reloc, gnu-style (no-PIC)
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R_386_TLS_GOTIE = 16, // Initial Initial Exec reloc, gnu-style (for PIC)
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R_386_TLS_LE = 17, // Initial Local Exec reloc, gnu-style
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R_386_TLS_GD = 18, // Initial General Dynamic reloc, gnu-style
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R_386_TLS_LDM = 19, // Initial Local Dynamic reloc, gnu-style
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// GNU extensions.
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R_386_16 = 20, // Direct 16 bit zero extended
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R_386_PC16 = 21, // 16 bit sign extended pc relative
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R_386_8 = 22, // Direct 8 bit sign extended
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R_386_PC8 = 23, // 8 bit sign extended pc relative
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// More TLS relocs.
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R_386_TLS_GD_32 = 24, // Initial General Dynamic reloc, sun-style
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R_386_TLS_GD_PUSH = 25, // Initial General Dynamic reloc, sun-style
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R_386_TLS_GD_CALL = 26, // Initial General Dynamic reloc, sun-style
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R_386_TLS_GD_POP = 27, // Initial General Dynamic reloc, sun-style
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R_386_TLS_LDM_32 = 28, // Initial Local Dynamic reloc, sun-style
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R_386_TLS_LDM_PUSH = 29, // Initial Local Dynamic reloc, sun-style
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R_386_TLS_LDM_CALL = 30, // Initial Local Dynamic reloc, sun-style
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R_386_TLS_LDM_POP = 31, // Initial Local Dynamic reloc, sun-style
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R_386_TLS_LDO_32 = 32, // Initial Local Dynamic reloc, sun+gnu styles
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R_386_TLS_IE_32 = 33, // Initial Initial Exec reloc, sun-style
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R_386_TLS_LE_32 = 34, // Initial Local Exec reloc, sun-style
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R_386_TLS_DTPMOD32 = 35, // Outstanding General/Local Dynamic reloc, sun+gnu
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R_386_TLS_DTPOFF32 = 36, // Outstanding General Dynamic reloc, sun+gnu
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R_386_TLS_TPOFF32 = 37, // Outstanding Initial Exec reloc, sun-style
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R_386_TLS_GOTDESC = 39, // GOT offset for TLS descriptor
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R_386_TLS_DESC_CALL = 40, // Marker of call through TLS desc for relaxation
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R_386_TLS_DESC = 41, // TLS descriptor containing pointer to code and
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// to argument, returning TLS offset for symbol
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R_386_IRELATIVE = 42, // Adjust indirectly by program base
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R_386_GOT32X = 43, // 32 bit GOT entry, relaxable
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// Used by Intel.
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R_386_USED_BY_INTEL_200 = 200,
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// GNU vtable garbage collection extensions.
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R_386_GNU_VTINHERIT = 250,
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R_386_GNU_VTENTRY = 251
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};
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} // End namespace elfcpp.
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#endif // !defined(ELFCPP_I386_H)
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