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// i386.h -- ELF definitions specific to EM_386 -*- C++ -*-
// Copyright (C) 2006-2024 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.
#ifndef ELFCPP_I386_H
#define ELFCPP_I386_H
// Documentation for the TLS relocs is taken from
// http://people.redhat.com/drepper/tls.pdf
// http://www.lsd.ic.unicamp.br/~oliva/writeups/TLS/RFC-TLSDESC-x86.txt
namespace elfcpp
{
enum
{
R_386_NONE = 0, // No reloc
R_386_32 = 1, // Direct 32 bit zero extended
R_386_PC32 = 2, // PC relative 32 bit signed
R_386_GOT32 = 3, // 32 bit GOT entry
R_386_PLT32 = 4, // 32 bit PLT address
R_386_COPY = 5, // Copy symbol at runtime
R_386_GLOB_DAT = 6, // Create GOT entry
R_386_JUMP_SLOT = 7, // Create PLT entry
R_386_RELATIVE = 8, // Adjust by program base
R_386_GOTOFF = 9, // 32-bit GOT offset
R_386_GOTPC = 10, // 32-bit PC relative offset to GOT
// Used by Sun.
R_386_32PLT = 11,
// TLS extensions.
R_386_TLS_TPOFF = 14, // Outstanding Initial Exec reloc, gnu-style (both)
R_386_TLS_IE = 15, // Initial Initial Exec reloc, gnu-style (no-PIC)
R_386_TLS_GOTIE = 16, // Initial Initial Exec reloc, gnu-style (for PIC)
R_386_TLS_LE = 17, // Initial Local Exec reloc, gnu-style
R_386_TLS_GD = 18, // Initial General Dynamic reloc, gnu-style
R_386_TLS_LDM = 19, // Initial Local Dynamic reloc, gnu-style
// GNU extensions.
R_386_16 = 20, // Direct 16 bit zero extended
R_386_PC16 = 21, // 16 bit sign extended pc relative
R_386_8 = 22, // Direct 8 bit sign extended
R_386_PC8 = 23, // 8 bit sign extended pc relative
// More TLS relocs.
R_386_TLS_GD_32 = 24, // Initial General Dynamic reloc, sun-style
R_386_TLS_GD_PUSH = 25, // Initial General Dynamic reloc, sun-style
R_386_TLS_GD_CALL = 26, // Initial General Dynamic reloc, sun-style
R_386_TLS_GD_POP = 27, // Initial General Dynamic reloc, sun-style
R_386_TLS_LDM_32 = 28, // Initial Local Dynamic reloc, sun-style
R_386_TLS_LDM_PUSH = 29, // Initial Local Dynamic reloc, sun-style
R_386_TLS_LDM_CALL = 30, // Initial Local Dynamic reloc, sun-style
R_386_TLS_LDM_POP = 31, // Initial Local Dynamic reloc, sun-style
R_386_TLS_LDO_32 = 32, // Initial Local Dynamic reloc, sun+gnu styles
R_386_TLS_IE_32 = 33, // Initial Initial Exec reloc, sun-style
R_386_TLS_LE_32 = 34, // Initial Local Exec reloc, sun-style
R_386_TLS_DTPMOD32 = 35, // Outstanding General/Local Dynamic reloc, sun+gnu
R_386_TLS_DTPOFF32 = 36, // Outstanding General Dynamic reloc, sun+gnu
R_386_TLS_TPOFF32 = 37, // Outstanding Initial Exec reloc, sun-style
R_386_TLS_GOTDESC = 39, // GOT offset for TLS descriptor
R_386_TLS_DESC_CALL = 40, // Marker of call through TLS desc for relaxation
R_386_TLS_DESC = 41, // TLS descriptor containing pointer to code and
// to argument, returning TLS offset for symbol
R_386_IRELATIVE = 42, // Adjust indirectly by program base
R_386_GOT32X = 43, // 32 bit GOT entry, relaxable
// Used by Intel.
R_386_USED_BY_INTEL_200 = 200,
// GNU vtable garbage collection extensions.
R_386_GNU_VTINHERIT = 250,
R_386_GNU_VTENTRY = 251
};
} // End namespace elfcpp.
#endif // !defined(ELFCPP_I386_H)
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