Merge pull request #4847 from zhaowenlan1779/ipc-debugger

core, citra_qt: IPC Recorder

src/core/hle/service/service.cpp

@@ -171,6 +171,7 @@ void ServiceFrameworkBase::HandleSyncRequest(Kernel::HLERequestContext& context)
     auto itr = handlers.find(header_code);
     const FunctionInfoBase* info = itr == handlers.end() ? nullptr : &itr->second;
     if (info == nullptr || info->handler_callback == nullptr) {
+        context.ReportUnimplemented();
         return ReportUnimplementedFunction(context.CommandBuffer(), info);
     }
 
@@ -179,6 +180,14 @@ void ServiceFrameworkBase::HandleSyncRequest(Kernel::HLERequestContext& context)
     handler_invoker(this, info->handler_callback, context);
 }
 
+std::string ServiceFrameworkBase::GetFunctionName(u32 header) const {
+    if (!handlers.count(header)) {
+        return "";
+    }
+
+    return handlers.at(header).name;
+}
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // Module interface
 

src/core/hle/service/service.h

@@ -64,6 +64,9 @@ public:
 
     void HandleSyncRequest(Kernel::HLERequestContext& context) override;
 
+    /// Retrieves name of a function based on the header code. For IPC Recorder.
+    std::string GetFunctionName(u32 header) const;
+
 protected:
     /// Member-function pointer type of SyncRequest handlers.
     template <typename Self>

src/core/hle/service/sm/sm.cpp

@@ -42,6 +42,7 @@ ResultVal<std::shared_ptr<Kernel::ServerPort>> ServiceManager::RegisterService(
 
     auto [server_port, client_port] = system.Kernel().CreatePortPair(max_sessions, name);
 
+    registered_services_inverse.emplace(client_port->GetObjectId(), name);
     registered_services.emplace(std::move(name), std::move(client_port));
     return MakeResult(std::move(server_port));
 }
@@ -65,4 +66,12 @@ ResultVal<std::shared_ptr<Kernel::ClientSession>> ServiceManager::ConnectToServi
     return client_port->Connect();
 }
 
+std::string ServiceManager::GetServiceNameByPortId(u32 port) const {
+    if (registered_services_inverse.count(port)) {
+        return registered_services_inverse.at(port);
+    }
+
+    return "";
+}
+
 } // namespace Service::SM

src/core/hle/service/sm/sm.h

@@ -51,6 +51,8 @@ public:
                                                                    unsigned int max_sessions);
     ResultVal<std::shared_ptr<Kernel::ClientPort>> GetServicePort(const std::string& name);
     ResultVal<std::shared_ptr<Kernel::ClientSession>> ConnectToService(const std::string& name);
+    // For IPC Recorder
+    std::string GetServiceNameByPortId(u32 port) const;
 
     template <typename T>
     std::shared_ptr<T> GetService(const std::string& service_name) const {
@@ -74,6 +76,10 @@ private:
 
     /// Map of registered services, retrieved using GetServicePort or ConnectToService.
     std::unordered_map<std::string, std::shared_ptr<Kernel::ClientPort>> registered_services;
+
+    // For IPC Recorder
+    /// client port Object id -> service name
+    std::unordered_map<u32, std::string> registered_services_inverse;
 };
 
 } // namespace Service::SM