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kernel/thread: change owner_process parameter to reference

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To enforce a valid process object
This commit is contained in:
Weiyi Wang 2018-10-26 09:37:46 -04:00
parent e5c5d1ecce
commit 8ad6cbfde2
3 changed files with 9 additions and 9 deletions
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2
src/core/hle/kernel/kernel.h
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@ -102,7 +102,7 @@ public:
*/
ResultVal<SharedPtr<Thread>> CreateThread(std::string name, VAddr entry_point, u32 priority,
u32 arg, s32 processor_id, VAddr stack_top,
Process* owner_process);
Process& owner_process);
/**
* Creates a semaphore.

2
src/core/hle/kernel/svc.cpp
View File

@ -787,7 +787,7 @@ static ResultCode CreateThread(Handle* out_handle, u32 priority, u32 entry_point
CASCADE_RESULT(SharedPtr<Thread> thread, Core::System::GetInstance().Kernel().CreateThread(
name, entry_point, priority, arg, processor_id,
stack_top, current_process.get()));
stack_top, *current_process));
thread->context->SetFpscr(FPSCR_DEFAULT_NAN | FPSCR_FLUSH_TO_ZERO |
FPSCR_ROUND_TOZERO); // 0x03C00000

14
src/core/hle/kernel/thread.cpp
View File

@ -320,7 +320,7 @@ static void ResetThreadContext(const std::unique_ptr<ARM_Interface::ThreadContex
ResultVal<SharedPtr<Thread>> KernelSystem::CreateThread(std::string name, VAddr entry_point,
u32 priority, u32 arg, s32 processor_id,
VAddr stack_top, Process* owner_process) {
VAddr stack_top, Process& owner_process) {
// Check if priority is in ranged. Lowest priority -> highest priority id.
if (priority > ThreadPrioLowest) {
LOG_ERROR(Kernel_SVC, "Invalid thread priority: {}", priority);
@ -334,7 +334,7 @@ ResultVal<SharedPtr<Thread>> KernelSystem::CreateThread(std::string name, VAddr
// TODO(yuriks): Other checks, returning 0xD9001BEA
if (!Memory::IsValidVirtualAddress(*owner_process, entry_point)) {
if (!Memory::IsValidVirtualAddress(owner_process, entry_point)) {
LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:08x}", name, entry_point);
// TODO: Verify error
return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel,
@ -357,10 +357,10 @@ ResultVal<SharedPtr<Thread>> KernelSystem::CreateThread(std::string name, VAddr
thread->wait_address = 0;
thread->name = std::move(name);
wakeup_callback_table[thread->thread_id] = thread.get();
thread->owner_process = owner_process;
thread->owner_process = &owner_process;
// Find the next available TLS index, and mark it as used
auto& tls_slots = owner_process->tls_slots;
auto& tls_slots = owner_process.tls_slots;
auto [available_page, available_slot, needs_allocation] = GetFreeThreadLocalSlot(tls_slots);
@ -381,13 +381,13 @@ ResultVal<SharedPtr<Thread>> KernelSystem::CreateThread(std::string name, VAddr
// Allocate some memory from the end of the linear heap for this region.
linheap_memory->insert(linheap_memory->end(), Memory::PAGE_SIZE, 0);
memory_region->used += Memory::PAGE_SIZE;
owner_process->linear_heap_used += Memory::PAGE_SIZE;
owner_process.linear_heap_used += Memory::PAGE_SIZE;
tls_slots.emplace_back(0); // The page is completely available at the start
available_page = tls_slots.size() - 1;
available_slot = 0; // Use the first slot in the new page
auto& vm_manager = owner_process->vm_manager;
auto& vm_manager = owner_process.vm_manager;
vm_manager.RefreshMemoryBlockMappings(linheap_memory.get());
// Map the page to the current process' address space.
@ -446,7 +446,7 @@ SharedPtr<Thread> SetupMainThread(KernelSystem& kernel, u32 entry_point, u32 pri
// Initialize new "main" thread
auto thread_res =
kernel.CreateThread("main", entry_point, priority, 0, owner_process->ideal_processor,
Memory::HEAP_VADDR_END, owner_process.get());
Memory::HEAP_VADDR_END, *owner_process);
SharedPtr<Thread> thread = std::move(thread_res).Unwrap();