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Atmosphere/stratosphere/ro/source/ro_service.cpp
2019-06-20 02:00:59 -07:00

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3.6 KiB
C++

/*
* Copyright (c) 2018-2019 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <switch.h>
#include <cstdio>
#include <algorithm>
#include <stratosphere.hpp>
#include "ro_service.hpp"
#include "ro_registration.hpp"
RelocatableObjectsService::~RelocatableObjectsService() {
if (this->IsInitialized()) {
Registration::UnregisterProcess(this->context);
this->context = nullptr;
}
}
bool RelocatableObjectsService::IsProcessIdValid(u64 process_id) {
if (!this->IsInitialized()) {
return false;
}
return this->context->process_id == process_id;
}
u64 RelocatableObjectsService::GetTitleId(Handle process_handle) {
u64 title_id = 0;
if (GetRuntimeFirmwareVersion() >= FirmwareVersion_300) {
/* 3.0.0+: Use svcGetInfo. */
R_ASSERT(svcGetInfo(&title_id, 18, process_handle, 0));
} else {
/* 1.0.0-2.3.0: We're not inside loader, so ask pm. */
u64 process_id = 0;
R_ASSERT(svcGetProcessId(&process_id, process_handle));
R_ASSERT(pminfoGetTitleId(&title_id, process_id));
}
return title_id;
}
Result RelocatableObjectsService::LoadNro(Out<u64> load_address, PidDescriptor pid_desc, u64 nro_address, u64 nro_size, u64 bss_address, u64 bss_size) {
if (!this->IsProcessIdValid(pid_desc.pid)) {
return ResultRoInvalidProcess;
}
return Registration::LoadNro(load_address.GetPointer(), this->context, nro_address, nro_size, bss_address, bss_size);
}
Result RelocatableObjectsService::UnloadNro(PidDescriptor pid_desc, u64 nro_address) {
if (!this->IsProcessIdValid(pid_desc.pid)) {
return ResultRoInvalidProcess;
}
return Registration::UnloadNro(this->context, nro_address);
}
Result RelocatableObjectsService::LoadNrr(PidDescriptor pid_desc, u64 nrr_address, u64 nrr_size) {
if (!this->IsProcessIdValid(pid_desc.pid)) {
return ResultRoInvalidProcess;
}
return Registration::LoadNrr(this->context, GetTitleId(this->context->process_handle), nrr_address, nrr_size, RoModuleType_ForSelf, true);
}
Result RelocatableObjectsService::UnloadNrr(PidDescriptor pid_desc, u64 nrr_address) {
if (!this->IsProcessIdValid(pid_desc.pid)) {
return ResultRoInvalidProcess;
}
return Registration::UnloadNrr(this->context, nrr_address);
}
Result RelocatableObjectsService::Initialize(PidDescriptor pid_desc, CopiedHandle process_h) {
/* Validate the input pid/process handle. */
u64 handle_pid = 0;
if (R_FAILED(svcGetProcessId(&handle_pid, process_h.handle)) || handle_pid != pid_desc.pid) {
return ResultRoInvalidProcess;
}
return Registration::RegisterProcess(&this->context, process_h.handle, pid_desc.pid);
}
Result RelocatableObjectsService::LoadNrrEx(PidDescriptor pid_desc, u64 nrr_address, u64 nrr_size, CopiedHandle process_h) {
if (!this->IsProcessIdValid(pid_desc.pid)) {
return ResultRoInvalidProcess;
}
return Registration::LoadNrr(this->context, GetTitleId(process_h.handle), nrr_address, nrr_size, this->type, this->type == RoModuleType_ForOthers);
}