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kernel: Manually specify aslr region start

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Liam 2023-11-17 21:58:29 +02:00 • committed by t895
parent 2590906d14
commit 3a5992f2ef
8 changed files with 25 additions and 18 deletions
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12
src/core/hle/kernel/k_process.cpp
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@ -300,7 +300,7 @@ Result KProcess::Initialize(const Svc::CreateProcessParameter& params, const KPa
False(params.flags & Svc::CreateProcessFlag::DisableDeviceAddressSpaceMerge);
R_TRY(m_page_table.Initialize(as_type, enable_aslr, enable_das_merge, !enable_aslr, pool,
params.code_address, params.code_num_pages * PageSize,
m_system_resource, res_limit, this->GetMemory()));
m_system_resource, res_limit, this->GetMemory(), 0));
}
ON_RESULT_FAILURE_2 {
m_page_table.Finalize();
@ -332,7 +332,7 @@ Result KProcess::Initialize(const Svc::CreateProcessParameter& params, const KPa
Result KProcess::Initialize(const Svc::CreateProcessParameter& params,
std::span<const u32> user_caps, KResourceLimit* res_limit,
KMemoryManager::Pool pool) {
KMemoryManager::Pool pool, KProcessAddress aslr_space_start) {
ASSERT(res_limit != nullptr);
// Set members.
@ -393,7 +393,7 @@ Result KProcess::Initialize(const Svc::CreateProcessParameter& params,
False(params.flags & Svc::CreateProcessFlag::DisableDeviceAddressSpaceMerge);
R_TRY(m_page_table.Initialize(as_type, enable_aslr, enable_das_merge, !enable_aslr, pool,
params.code_address, code_size, m_system_resource, res_limit,
this->GetMemory()));
this->GetMemory(), aslr_space_start));
}
ON_RESULT_FAILURE_2 {
m_page_table.Finalize();
@ -1128,7 +1128,7 @@ KProcess::KProcess(KernelCore& kernel)
KProcess::~KProcess() = default;
Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size,
bool is_hbl) {
KProcessAddress aslr_space_start, bool is_hbl) {
// Create a resource limit for the process.
const auto physical_memory_size =
m_kernel.MemoryManager().GetSize(Kernel::KMemoryManager::Pool::Application);
@ -1179,7 +1179,7 @@ Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std:
.name = {},
.version = {},
.program_id = metadata.GetTitleID(),
.code_address = code_address,
.code_address = code_address + GetInteger(aslr_space_start),
.code_num_pages = static_cast<s32>(code_size / PageSize),
.flags = flag,
.reslimit = Svc::InvalidHandle,
@ -1193,7 +1193,7 @@ Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std:
// Initialize for application process.
R_TRY(this->Initialize(params, metadata.GetKernelCapabilities(), res_limit,
KMemoryManager::Pool::Application));
KMemoryManager::Pool::Application, aslr_space_start));
// Assign remaining properties.
m_is_hbl = is_hbl;