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authorLiam <byteslice@airmail.cc>2023-11-17 20:58:29 +0100
committert895 <clombardo169@gmail.com>2023-11-25 06:46:15 +0100
commitf2a840908380f876a1b5675e9cae281c8db77776 (patch)
tree2e8f48f0e20a3033104121c2fb7a8535e4bdc9de /src/core/hle
parentcore: Respect memory permissions in Map (diff)
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Diffstat (limited to 'src/core/hle')
-rw-r--r--src/core/hle/kernel/k_page_table_base.cpp6
-rw-r--r--src/core/hle/kernel/k_page_table_base.h3
-rw-r--r--src/core/hle/kernel/k_process.cpp12
-rw-r--r--src/core/hle/kernel/k_process.h5
-rw-r--r--src/core/hle/kernel/k_process_page_table.h9
5 files changed, 20 insertions, 15 deletions
diff --git a/src/core/hle/kernel/k_page_table_base.cpp b/src/core/hle/kernel/k_page_table_base.cpp
index dc6524146..f2ffc39c1 100644
--- a/src/core/hle/kernel/k_page_table_base.cpp
+++ b/src/core/hle/kernel/k_page_table_base.cpp
@@ -184,7 +184,8 @@ Result KPageTableBase::InitializeForProcess(Svc::CreateProcessFlag as_type, bool
KMemoryManager::Pool pool, KProcessAddress code_address,
size_t code_size, KSystemResource* system_resource,
KResourceLimit* resource_limit,
- Core::Memory::Memory& memory) {
+ Core::Memory::Memory& memory,
+ KProcessAddress aslr_space_start) {
// Calculate region extents.
const size_t as_width = GetAddressSpaceWidth(as_type);
const KProcessAddress start = 0;
@@ -225,7 +226,8 @@ Result KPageTableBase::InitializeForProcess(Svc::CreateProcessFlag as_type, bool
heap_region_size = GetSpaceSize(KAddressSpaceInfo::Type::Heap);
stack_region_size = GetSpaceSize(KAddressSpaceInfo::Type::Stack);
kernel_map_region_size = GetSpaceSize(KAddressSpaceInfo::Type::MapSmall);
- m_code_region_start = GetSpaceStart(KAddressSpaceInfo::Type::Map39Bit);
+ m_code_region_start = m_address_space_start + aslr_space_start +
+ GetSpaceStart(KAddressSpaceInfo::Type::Map39Bit);
m_code_region_end = m_code_region_start + GetSpaceSize(KAddressSpaceInfo::Type::Map39Bit);
m_alias_code_region_start = m_code_region_start;
m_alias_code_region_end = m_code_region_end;
diff --git a/src/core/hle/kernel/k_page_table_base.h b/src/core/hle/kernel/k_page_table_base.h
index ee2c41e67..556d230b3 100644
--- a/src/core/hle/kernel/k_page_table_base.h
+++ b/src/core/hle/kernel/k_page_table_base.h
@@ -235,7 +235,8 @@ public:
bool enable_device_address_space_merge, bool from_back,
KMemoryManager::Pool pool, KProcessAddress code_address,
size_t code_size, KSystemResource* system_resource,
- KResourceLimit* resource_limit, Core::Memory::Memory& memory);
+ KResourceLimit* resource_limit, Core::Memory::Memory& memory,
+ KProcessAddress aslr_space_start);
void Finalize();
diff --git a/src/core/hle/kernel/k_process.cpp b/src/core/hle/kernel/k_process.cpp
index 3cfb414e5..c6a200320 100644
--- a/src/core/hle/kernel/k_process.cpp
+++ b/src/core/hle/kernel/k_process.cpp
@@ -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;
diff --git a/src/core/hle/kernel/k_process.h b/src/core/hle/kernel/k_process.h
index 8339465fd..54b8e0a59 100644
--- a/src/core/hle/kernel/k_process.h
+++ b/src/core/hle/kernel/k_process.h
@@ -150,7 +150,8 @@ public:
std::span<const u32> caps, KResourceLimit* res_limit,
KMemoryManager::Pool pool, bool immortal);
Result Initialize(const Svc::CreateProcessParameter& params, std::span<const u32> user_caps,
- KResourceLimit* res_limit, KMemoryManager::Pool pool);
+ KResourceLimit* res_limit, KMemoryManager::Pool pool,
+ KProcessAddress aslr_space_start);
void Exit();
const char* GetName() const {
@@ -479,7 +480,7 @@ public:
public:
Result LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size,
- bool is_hbl);
+ KProcessAddress aslr_space_start, bool is_hbl);
void LoadModule(CodeSet code_set, KProcessAddress base_addr);
diff --git a/src/core/hle/kernel/k_process_page_table.h b/src/core/hle/kernel/k_process_page_table.h
index b7ae5abd0..9e40f68bc 100644
--- a/src/core/hle/kernel/k_process_page_table.h
+++ b/src/core/hle/kernel/k_process_page_table.h
@@ -23,10 +23,11 @@ public:
Result Initialize(Svc::CreateProcessFlag as_type, bool enable_aslr, bool enable_das_merge,
bool from_back, KMemoryManager::Pool pool, KProcessAddress code_address,
size_t code_size, KSystemResource* system_resource,
- KResourceLimit* resource_limit, Core::Memory::Memory& memory) {
- R_RETURN(m_page_table.InitializeForProcess(as_type, enable_aslr, enable_das_merge,
- from_back, pool, code_address, code_size,
- system_resource, resource_limit, memory));
+ KResourceLimit* resource_limit, Core::Memory::Memory& memory,
+ KProcessAddress aslr_space_start) {
+ R_RETURN(m_page_table.InitializeForProcess(
+ as_type, enable_aslr, enable_das_merge, from_back, pool, code_address, code_size,
+ system_resource, resource_limit, memory, aslr_space_start));
}
void Finalize() {