mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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149 lines
4.2 KiB
C++
149 lines
4.2 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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From musl include/elf.h
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Copyright © 2005-2014 Rich Felker, et al.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <vapours.hpp>
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namespace ams::kern::init::Elf::Elf64 {
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/* Type declarations required to perform relocations */
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using Half = u16;
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using Word = u32;
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using Sword = s32;
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using Xword = u64;
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using SXword = s64;
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using Addr = u64;
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using Off = u64;
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class Dyn {
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private:
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SXword m_tag;
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union {
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Xword m_value;
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Addr m_ptr;
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};
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public:
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constexpr ALWAYS_INLINE SXword GetTag() const {
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return m_tag;
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}
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constexpr ALWAYS_INLINE Xword GetValue() const {
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return m_value;
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}
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constexpr ALWAYS_INLINE Addr GetPtr() const {
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return m_ptr;
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}
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};
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class Rel {
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private:
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Addr m_offset;
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Xword m_info;
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public:
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constexpr ALWAYS_INLINE Addr GetOffset() const {
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return m_offset;
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}
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constexpr ALWAYS_INLINE Xword GetSym() const {
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return m_info >> 32;
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}
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constexpr ALWAYS_INLINE Xword GetType() const {
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return m_info & 0xFFFFFFFF;
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}
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};
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class Rela {
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private:
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Addr m_offset;
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Xword m_info;
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SXword m_addend;
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public:
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constexpr ALWAYS_INLINE Addr GetOffset() const {
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return m_offset;
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}
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constexpr ALWAYS_INLINE Xword GetSym() const {
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return m_info >> 32;
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}
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constexpr ALWAYS_INLINE Xword GetType() const {
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return m_info & 0xFFFFFFFF;
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}
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constexpr ALWAYS_INLINE SXword GetAddend() const {
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return m_addend;
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}
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};
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class Relr {
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private:
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Xword m_info;
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public:
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constexpr ALWAYS_INLINE bool IsLocation() const {
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return (m_info & 1) == 0;
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}
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constexpr ALWAYS_INLINE Xword GetLocation() const {
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return m_info;
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}
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constexpr ALWAYS_INLINE Xword GetBitmap() const {
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return m_info >> 1;
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}
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};
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enum DynamicTag {
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DT_NULL = 0,
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DT_RELA = 7,
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DT_RELAENT = 9,
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DT_REL = 17,
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DT_RELENT = 19,
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DT_RELRSZ = 35,
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DT_RELR = 36,
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DT_RELRENT = 37,
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DT_RELACOUNT = 0x6ffffff9,
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DT_RELCOUNT = 0x6ffffffa
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};
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}
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