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https://github.com/yuzu-emu/yuzu-mainline
synced 2024-11-22 13:13:38 +00:00
kernel: Manually specify aslr region start
This commit is contained in:
parent
5938a9582a
commit
f2a8409083
8 changed files with 25 additions and 18 deletions
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@ -184,7 +184,8 @@ Result KPageTableBase::InitializeForProcess(Svc::CreateProcessFlag as_type, bool
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KMemoryManager::Pool pool, KProcessAddress code_address,
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size_t code_size, KSystemResource* system_resource,
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KResourceLimit* resource_limit,
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Core::Memory::Memory& memory) {
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Core::Memory::Memory& memory,
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KProcessAddress aslr_space_start) {
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// Calculate region extents.
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const size_t as_width = GetAddressSpaceWidth(as_type);
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const KProcessAddress start = 0;
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@ -225,7 +226,8 @@ Result KPageTableBase::InitializeForProcess(Svc::CreateProcessFlag as_type, bool
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heap_region_size = GetSpaceSize(KAddressSpaceInfo::Type::Heap);
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stack_region_size = GetSpaceSize(KAddressSpaceInfo::Type::Stack);
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kernel_map_region_size = GetSpaceSize(KAddressSpaceInfo::Type::MapSmall);
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m_code_region_start = GetSpaceStart(KAddressSpaceInfo::Type::Map39Bit);
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m_code_region_start = m_address_space_start + aslr_space_start +
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GetSpaceStart(KAddressSpaceInfo::Type::Map39Bit);
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m_code_region_end = m_code_region_start + GetSpaceSize(KAddressSpaceInfo::Type::Map39Bit);
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m_alias_code_region_start = m_code_region_start;
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m_alias_code_region_end = m_code_region_end;
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@ -235,7 +235,8 @@ public:
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bool enable_device_address_space_merge, bool from_back,
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KMemoryManager::Pool pool, KProcessAddress code_address,
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size_t code_size, KSystemResource* system_resource,
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KResourceLimit* resource_limit, Core::Memory::Memory& memory);
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KResourceLimit* resource_limit, Core::Memory::Memory& memory,
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KProcessAddress aslr_space_start);
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void Finalize();
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@ -300,7 +300,7 @@ Result KProcess::Initialize(const Svc::CreateProcessParameter& params, const KPa
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False(params.flags & Svc::CreateProcessFlag::DisableDeviceAddressSpaceMerge);
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R_TRY(m_page_table.Initialize(as_type, enable_aslr, enable_das_merge, !enable_aslr, pool,
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params.code_address, params.code_num_pages * PageSize,
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m_system_resource, res_limit, this->GetMemory()));
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m_system_resource, res_limit, this->GetMemory(), 0));
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}
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ON_RESULT_FAILURE_2 {
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m_page_table.Finalize();
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@ -332,7 +332,7 @@ Result KProcess::Initialize(const Svc::CreateProcessParameter& params, const KPa
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Result KProcess::Initialize(const Svc::CreateProcessParameter& params,
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std::span<const u32> user_caps, KResourceLimit* res_limit,
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KMemoryManager::Pool pool) {
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KMemoryManager::Pool pool, KProcessAddress aslr_space_start) {
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ASSERT(res_limit != nullptr);
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// Set members.
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@ -393,7 +393,7 @@ Result KProcess::Initialize(const Svc::CreateProcessParameter& params,
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False(params.flags & Svc::CreateProcessFlag::DisableDeviceAddressSpaceMerge);
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R_TRY(m_page_table.Initialize(as_type, enable_aslr, enable_das_merge, !enable_aslr, pool,
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params.code_address, code_size, m_system_resource, res_limit,
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this->GetMemory()));
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this->GetMemory(), aslr_space_start));
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}
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ON_RESULT_FAILURE_2 {
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m_page_table.Finalize();
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@ -1128,7 +1128,7 @@ KProcess::KProcess(KernelCore& kernel)
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KProcess::~KProcess() = default;
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Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size,
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bool is_hbl) {
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KProcessAddress aslr_space_start, bool is_hbl) {
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// Create a resource limit for the process.
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const auto physical_memory_size =
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m_kernel.MemoryManager().GetSize(Kernel::KMemoryManager::Pool::Application);
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@ -1179,7 +1179,7 @@ Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std:
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.name = {},
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.version = {},
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.program_id = metadata.GetTitleID(),
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.code_address = code_address,
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.code_address = code_address + GetInteger(aslr_space_start),
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.code_num_pages = static_cast<s32>(code_size / PageSize),
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.flags = flag,
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.reslimit = Svc::InvalidHandle,
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@ -1193,7 +1193,7 @@ Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std:
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// Initialize for application process.
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R_TRY(this->Initialize(params, metadata.GetKernelCapabilities(), res_limit,
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KMemoryManager::Pool::Application));
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KMemoryManager::Pool::Application, aslr_space_start));
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// Assign remaining properties.
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m_is_hbl = is_hbl;
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@ -150,7 +150,8 @@ public:
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std::span<const u32> caps, KResourceLimit* res_limit,
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KMemoryManager::Pool pool, bool immortal);
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Result Initialize(const Svc::CreateProcessParameter& params, std::span<const u32> user_caps,
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KResourceLimit* res_limit, KMemoryManager::Pool pool);
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KResourceLimit* res_limit, KMemoryManager::Pool pool,
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KProcessAddress aslr_space_start);
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void Exit();
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const char* GetName() const {
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@ -479,7 +480,7 @@ public:
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public:
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Result LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size,
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bool is_hbl);
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KProcessAddress aslr_space_start, bool is_hbl);
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void LoadModule(CodeSet code_set, KProcessAddress base_addr);
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@ -23,10 +23,11 @@ public:
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Result Initialize(Svc::CreateProcessFlag as_type, bool enable_aslr, bool enable_das_merge,
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bool from_back, KMemoryManager::Pool pool, KProcessAddress code_address,
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size_t code_size, KSystemResource* system_resource,
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KResourceLimit* resource_limit, Core::Memory::Memory& memory) {
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R_RETURN(m_page_table.InitializeForProcess(as_type, enable_aslr, enable_das_merge,
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from_back, pool, code_address, code_size,
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system_resource, resource_limit, memory));
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KResourceLimit* resource_limit, Core::Memory::Memory& memory,
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KProcessAddress aslr_space_start) {
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R_RETURN(m_page_table.InitializeForProcess(
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as_type, enable_aslr, enable_das_merge, from_back, pool, code_address, code_size,
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system_resource, resource_limit, memory, aslr_space_start));
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}
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void Finalize() {
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@ -147,7 +147,7 @@ AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirect
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}
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// Setup the process code layout
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if (process.LoadFromMetadata(metadata, code_size, is_hbl).IsError()) {
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if (process.LoadFromMetadata(metadata, code_size, 0, is_hbl).IsError()) {
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return {ResultStatus::ErrorUnableToParseKernelMetadata, {}};
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}
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@ -91,7 +91,8 @@ AppLoader::LoadResult AppLoader_KIP::Load(Kernel::KProcess& process,
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// Setup the process code layout
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if (process
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.LoadFromMetadata(FileSys::ProgramMetadata::GetDefault(), program_image.size(), false)
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.LoadFromMetadata(FileSys::ProgramMetadata::GetDefault(), program_image.size(), 0,
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false)
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.IsError()) {
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return {ResultStatus::ErrorNotInitialized, {}};
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}
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@ -197,7 +197,8 @@ static bool LoadNroImpl(Kernel::KProcess& process, const std::vector<u8>& data)
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// Setup the process code layout
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if (process
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.LoadFromMetadata(FileSys::ProgramMetadata::GetDefault(), program_image.size(), false)
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.LoadFromMetadata(FileSys::ProgramMetadata::GetDefault(), program_image.size(), 0,
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false)
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.IsError()) {
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return false;
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}
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