mirror of
https://github.com/Atmosphere-NX/Atmosphere-libs.git
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69 lines
2.3 KiB
C++
69 lines
2.3 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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#pragma once
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#include <vapours.hpp>
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namespace ams::rocrt {
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constexpr inline const u32 ModuleHeaderVersion = util::FourCC<'M','O','D','0'>::Code;
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struct ModuleHeader {
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u32 signature;
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u32 dynamic_offset;
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u32 bss_start_offset;
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u32 bss_end_offset;
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u32 exception_info_start_offset;
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u32 exception_info_end_offset;
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u32 module_offset;
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};
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struct ModuleHeaderLocation {
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u32 pad;
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u32 header_offset;
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};
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constexpr inline u32 CheckModuleHeaderSignature(const ModuleHeader *header) {
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if (header->signature == ModuleHeaderVersion) {
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return header->signature;
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} else {
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return 0;
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}
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}
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inline ModuleHeader *GetModuleHeader(const ModuleHeaderLocation *loc) {
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return reinterpret_cast<ModuleHeader *>(reinterpret_cast<uintptr_t>(loc) + loc->header_offset);
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}
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inline uintptr_t GetDynamicOffset(const ModuleHeader *header, const ModuleHeaderLocation *loc) {
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return reinterpret_cast<uintptr_t>(loc) + loc->header_offset + header->dynamic_offset;
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}
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inline uintptr_t GetBssStartAddress(const ModuleHeader *header, const ModuleHeaderLocation *loc) {
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return reinterpret_cast<uintptr_t>(loc) + loc->header_offset + header->bss_start_offset;
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}
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inline uintptr_t GetBssEndAddress(const ModuleHeader *header, const ModuleHeaderLocation *loc) {
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return reinterpret_cast<uintptr_t>(loc) + loc->header_offset + header->bss_end_offset;
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}
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inline uintptr_t GetModuleOffset(const ModuleHeader *header, const ModuleHeaderLocation *loc) {
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return reinterpret_cast<uintptr_t>(loc) + loc->header_offset + header->module_offset;
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}
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}
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