mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*
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* Copyright (c) 2018-2019 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 <switch.h>
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#include <stratosphere.hpp>
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class MapUtils {
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public:
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struct AddressSpaceInfo {
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u64 heap_base;
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u64 heap_size;
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u64 heap_end;
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u64 map_base;
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u64 map_size;
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u64 map_end;
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u64 addspace_base;
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u64 addspace_size;
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u64 addspace_end;
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};
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static Result GetAddressSpaceInfo(AddressSpaceInfo *out, Handle process_h);
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static Result LocateSpaceForMapDeprecated(u64 *out, u64 out_size);
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static Result LocateSpaceForMapModern(u64 *out, u64 out_size);
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static Result LocateSpaceForMap(u64 *out, u64 out_size);
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};
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class AutoCloseMap {
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private:
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void *mapped_address = nullptr;
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u64 base_address = 0;
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u64 size = 0;
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Handle process_handle = 0;
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public:
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~AutoCloseMap() {
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Close();
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}
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void *GetMappedAddress() {
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return this->mapped_address;
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}
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Result Open(Handle process_h, u64 address, u64 size) {
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Result rc;
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u64 try_address;
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if (R_FAILED(rc = MapUtils::LocateSpaceForMap(&try_address, size))) {
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return rc;
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}
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if (R_FAILED((rc = svcMapProcessMemory((void *)try_address, process_h, address, size)))) {
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return rc;
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}
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this->mapped_address = (void *)try_address;
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this->process_handle = process_h;
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this->base_address = address;
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this->size = size;
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return ResultSuccess;
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}
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void Close() {
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if (this->mapped_address) {
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if (R_FAILED(svcUnmapProcessMemory(this->mapped_address, this->process_handle, this->base_address, this->size))) {
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std::abort();
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}
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this->mapped_address = NULL;
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}
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}
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};
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