kernel/shared_memory: Make data members private

Rather than allow unfettered access to the class internals, we hide all
members by default and create and API that other code can operate
against.

src/core/hle/applets/swkbd.cpp

@@ -65,7 +65,7 @@ ResultCode SoftwareKeyboard::StartImpl(Service::APT::AppletStartupParameter cons
         boost::static_pointer_cast<Kernel::SharedMemory, Kernel::Object>(parameter.object);
 
     // TODO(Subv): Verify if this is the correct behavior
-    memset(text_memory->GetPointer(), 0, text_memory->size);
+    memset(text_memory->GetPointer(), 0, text_memory->GetSize());
 
     DrawScreenKeyboard();
 

src/core/hle/kernel/shared_memory.h

@@ -20,12 +20,25 @@ public:
     std::string GetName() const override {
         return name;
     }
+    void SetName(std::string name) {
+        this->name = name;
+    }
 
     static const HandleType HANDLE_TYPE = HandleType::SharedMemory;
     HandleType GetHandleType() const override {
         return HANDLE_TYPE;
     }
 
+    /// Gets the size of the underlying memory block in bytes.
+    u64 GetSize() const {
+        return size;
+    }
+
+    /// Gets the linear heap physical offset
+    u64 GetLinearHeapPhysicalOffset() const {
+        return linear_heap_phys_offset;
+    }
+
     /**
      * Converts the specified MemoryPermission into the equivalent VMAPermission.
      * @param permission The MemoryPermission to convert.
@@ -57,30 +70,30 @@ public:
      */
     u8* GetPointer(u32 offset = 0);
 
-    /// Process that created this shared memory block.
-    Process* owner_process;
-    /// Address of shared memory block in the owner process if specified.
-    VAddr base_address;
+private:
+    explicit SharedMemory(KernelSystem& kernel);
+    ~SharedMemory() override;
+
     /// Offset in FCRAM of the shared memory block in the linear heap if no address was specified
     /// during creation.
-    PAddr linear_heap_phys_offset;
+    PAddr linear_heap_phys_offset = 0;
     /// Backing memory for this shared memory block.
     std::vector<std::pair<u8*, u32>> backing_blocks;
     /// Size of the memory block. Page-aligned.
-    u32 size;
+    u32 size = 0;
     /// Permission restrictions applied to the process which created the block.
-    MemoryPermission permissions;
+    MemoryPermission permissions{};
     /// Permission restrictions applied to other processes mapping the block.
-    MemoryPermission other_permissions;
+    MemoryPermission other_permissions{};
+    /// Process that created this shared memory block.
+    SharedPtr<Process> owner_process;
+    /// Address of shared memory block in the owner process if specified.
+    VAddr base_address = 0;
     /// Name of shared memory object.
     std::string name;
 
     MemoryRegionInfo::IntervalSet holding_memory;
 
-private:
-    explicit SharedMemory(KernelSystem& kernel);
-    ~SharedMemory() override;
-
     friend class KernelSystem;
     KernelSystem& kernel;
 };

src/core/hle/service/apt/apt.cpp

@@ -217,7 +217,7 @@ void Module::Interface::GetSharedFont(Kernel::HLERequestContext& ctx) {
     // shared font, different linear heap region would have required shared font to relocate
     // according to two different addresses at the same time, which is impossible.
     VAddr target_address =
-        apt->shared_font_mem->linear_heap_phys_offset + Memory::LINEAR_HEAP_VADDR;
+        apt->shared_font_mem->GetLinearHeapPhysicalOffset() + Memory::LINEAR_HEAP_VADDR;
     if (!apt->shared_font_relocated) {
         BCFNT::RelocateSharedFont(apt->shared_font_mem, target_address);
         apt->shared_font_relocated = true;

src/core/hle/service/http_c.cpp

@@ -50,7 +50,7 @@ void HTTP_C::Initialize(Kernel::HLERequestContext& ctx) {
     u32 pid = rp.PopPID();
     shared_memory = rp.PopObject<Kernel::SharedMemory>();
     if (shared_memory) {
-        shared_memory->name = "HTTP_C:shared_memory";
+        shared_memory->SetName("HTTP_C:shared_memory");
     }
 
     LOG_WARNING(Service_HTTP, "(STUBBED) called, shared memory size: {} pid: {}", shmem_size, pid);

src/core/hle/service/ir/ir_user.cpp

@@ -240,7 +240,7 @@ void IR_USER::InitializeIrNopShared(Kernel::HLERequestContext& ctx) {
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
 
-    shared_memory->name = "IR_USER: shared memory";
+    shared_memory->SetName("IR_USER: shared memory");
 
     receive_buffer = std::make_unique<BufferManager>(shared_memory, 0x10, 0x20,
                                                      recv_buff_packet_count, recv_buff_size);

src/core/hle/service/mic_u.cpp

@@ -40,7 +40,7 @@ struct MIC_U::Impl {
         shared_memory = rp.PopObject<Kernel::SharedMemory>();
 
         if (shared_memory) {
-            shared_memory->name = "MIC_U:shared_memory";
+            shared_memory->SetName("MIC_U:shared_memory");
         }
 
         IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);

src/core/hle/service/nwm/nwm_uds.cpp

@@ -724,7 +724,7 @@ void NWM_UDS::InitializeWithVersion(Kernel::HLERequestContext& ctx) {
 
     initialized = true;
 
-    ASSERT_MSG(recv_buffer_memory->size == sharedmem_size, "Invalid shared memory size.");
+    ASSERT_MSG(recv_buffer_memory->GetSize() == sharedmem_size, "Invalid shared memory size.");
 
     if (auto room_member = Network::GetRoomMember().lock()) {
         wifi_packet_received = room_member->BindOnWifiPacketReceived(OnWifiPacketReceived);