Merge pull request #10990 from comex/ubsan

Fixes and workarounds to make UBSan happier on macOS

7 files changed, 28 insertions, 22 deletions

diff --git a/src/core/arm/arm_interface.cpp b/src/core/arm/arm_interface.cpp
index aa0eb9791..0c012f094 100644
--- a/src/core/arm/arm_interface.cpp
+++ b/src/core/arm/arm_interface.cpp
@@ -217,8 +217,8 @@ void ARM_Interface::Run() {
     }
 }
 
-void ARM_Interface::LoadWatchpointArray(const WatchpointArray& wp) {
-    watchpoints = ℘
+void ARM_Interface::LoadWatchpointArray(const WatchpointArray* wp) {
+    watchpoints = wp;
 }
 
 const Kernel::DebugWatchpoint* ARM_Interface::MatchingWatchpoint(
diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h
index d5f2fa09a..3d866ff6f 100644
--- a/src/core/arm/arm_interface.h
+++ b/src/core/arm/arm_interface.h
@@ -186,7 +186,7 @@ public:
     virtual void SaveContext(ThreadContext64& ctx) const = 0;
     virtual void LoadContext(const ThreadContext32& ctx) = 0;
     virtual void LoadContext(const ThreadContext64& ctx) = 0;
-    void LoadWatchpointArray(const WatchpointArray& wp);
+    void LoadWatchpointArray(const WatchpointArray* wp);
 
     /// Clears the exclusive monitor's state.
     virtual void ClearExclusiveState() = 0;
diff --git a/src/core/hle/kernel/k_auto_object.cpp b/src/core/hle/kernel/k_auto_object.cpp
index 0ae42c95c..9cd7a9fd5 100644
--- a/src/core/hle/kernel/k_auto_object.cpp
+++ b/src/core/hle/kernel/k_auto_object.cpp
@@ -15,8 +15,8 @@ void KAutoObject::RegisterWithKernel() {
     m_kernel.RegisterKernelObject(this);
 }
 
-void KAutoObject::UnregisterWithKernel() {
-    m_kernel.UnregisterKernelObject(this);
+void KAutoObject::UnregisterWithKernel(KernelCore& kernel, KAutoObject* self) {
+    kernel.UnregisterKernelObject(self);
 }
 
 } // namespace Kernel
diff --git a/src/core/hle/kernel/k_auto_object.h b/src/core/hle/kernel/k_auto_object.h
index f384b1568..8d4e0df44 100644
--- a/src/core/hle/kernel/k_auto_object.h
+++ b/src/core/hle/kernel/k_auto_object.h
@@ -159,14 +159,15 @@ public:
 
         // If ref count hits zero, destroy the object.
         if (cur_ref_count - 1 == 0) {
+            KernelCore& kernel = m_kernel;
             this->Destroy();
-            this->UnregisterWithKernel();
+            KAutoObject::UnregisterWithKernel(kernel, this);
         }
     }
 
 private:
     void RegisterWithKernel();
-    void UnregisterWithKernel();
+    static void UnregisterWithKernel(KernelCore& kernel, KAutoObject* self);
 
 protected:
     KernelCore& m_kernel;
diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp
index 75ce5a23c..d8143c650 100644
--- a/src/core/hle/kernel/k_scheduler.cpp
+++ b/src/core/hle/kernel/k_scheduler.cpp
@@ -510,11 +510,12 @@ void KScheduler::Unload(KThread* thread) {
 
 void KScheduler::Reload(KThread* thread) {
     auto& cpu_core = m_kernel.System().ArmInterface(m_core_id);
+    auto* process = thread->GetOwnerProcess();
     cpu_core.LoadContext(thread->GetContext32());
     cpu_core.LoadContext(thread->GetContext64());
     cpu_core.SetTlsAddress(GetInteger(thread->GetTlsAddress()));
     cpu_core.SetTPIDR_EL0(thread->GetTpidrEl0());
-    cpu_core.LoadWatchpointArray(thread->GetOwnerProcess()->GetWatchpoints());
+    cpu_core.LoadWatchpointArray(process ? &process->GetWatchpoints() : nullptr);
     cpu_core.ClearExclusiveState();
 }
 
diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp
index d88909889..7df8fd7f7 100644
--- a/src/core/hle/kernel/k_thread.cpp
+++ b/src/core/hle/kernel/k_thread.cpp
@@ -129,7 +129,7 @@ Result KThread::Initialize(KThreadFunction func, uintptr_t arg, KProcessAddress
     case ThreadType::User:
         ASSERT(((owner == nullptr) ||
                 (owner->GetCoreMask() | (1ULL << virt_core)) == owner->GetCoreMask()));
-        ASSERT(((owner == nullptr) ||
+        ASSERT(((owner == nullptr) || (prio > Svc::LowestThreadPriority) ||
                 (owner->GetPriorityMask() | (1ULL << prio)) == owner->GetPriorityMask()));
         break;
     case ThreadType::Kernel:
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 179685b72..513bc4edb 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -73,7 +73,7 @@ struct Memory::Impl {
             return {};
         }
 
-        return system.DeviceMemory().GetPointer<u8>(paddr) + vaddr;
+        return system.DeviceMemory().GetPointer<u8>(paddr + vaddr);
     }
 
     [[nodiscard]] u8* GetPointerFromDebugMemory(u64 vaddr) const {
@@ -84,7 +84,7 @@ struct Memory::Impl {
             return {};
         }
 
-        return system.DeviceMemory().GetPointer<u8>(paddr) + vaddr;
+        return system.DeviceMemory().GetPointer<u8>(paddr + vaddr);
     }
 
     u8 Read8(const Common::ProcessAddress addr) {
@@ -205,7 +205,8 @@ struct Memory::Impl {
                 break;
             }
             case Common::PageType::Memory: {
-                u8* mem_ptr = pointer + page_offset + (page_index << YUZU_PAGEBITS);
+                u8* mem_ptr =
+                    reinterpret_cast<u8*>(pointer + page_offset + (page_index << YUZU_PAGEBITS));
                 on_memory(copy_amount, mem_ptr);
                 break;
             }
@@ -447,7 +448,7 @@ struct Memory::Impl {
                     break;
                 case Common::PageType::Memory:
                     current_page_table->pointers[vaddr >> YUZU_PAGEBITS].Store(
-                        nullptr, Common::PageType::DebugMemory);
+                        0, Common::PageType::DebugMemory);
                     break;
                 default:
                     UNREACHABLE();
@@ -465,7 +466,8 @@ struct Memory::Impl {
                 case Common::PageType::DebugMemory: {
                     u8* const pointer{GetPointerFromDebugMemory(vaddr & ~YUZU_PAGEMASK)};
                     current_page_table->pointers[vaddr >> YUZU_PAGEBITS].Store(
-                        pointer - (vaddr & ~YUZU_PAGEMASK), Common::PageType::Memory);
+                        reinterpret_cast<uintptr_t>(pointer) - (vaddr & ~YUZU_PAGEMASK),
+                        Common::PageType::Memory);
                     break;
                 }
                 default:
@@ -505,7 +507,7 @@ struct Memory::Impl {
                 case Common::PageType::DebugMemory:
                 case Common::PageType::Memory:
                     current_page_table->pointers[vaddr >> YUZU_PAGEBITS].Store(
-                        nullptr, Common::PageType::RasterizerCachedMemory);
+                        0, Common::PageType::RasterizerCachedMemory);
                     break;
                 case Common::PageType::RasterizerCachedMemory:
                     // There can be more than one GPU region mapped per CPU region, so it's common
@@ -533,10 +535,11 @@ struct Memory::Impl {
                         // pagetable after unmapping a VMA. In that case the underlying VMA will no
                         // longer exist, and we should just leave the pagetable entry blank.
                         current_page_table->pointers[vaddr >> YUZU_PAGEBITS].Store(
-                            nullptr, Common::PageType::Unmapped);
+                            0, Common::PageType::Unmapped);
                     } else {
                         current_page_table->pointers[vaddr >> YUZU_PAGEBITS].Store(
-                            pointer - (vaddr & ~YUZU_PAGEMASK), Common::PageType::Memory);
+                            reinterpret_cast<uintptr_t>(pointer) - (vaddr & ~YUZU_PAGEMASK),
+                            Common::PageType::Memory);
                     }
                     break;
                 }
@@ -583,7 +586,7 @@ struct Memory::Impl {
                        "Mapping memory page without a pointer @ {:016x}", base * YUZU_PAGESIZE);
 
             while (base != end) {
-                page_table.pointers[base].Store(nullptr, type);
+                page_table.pointers[base].Store(0, type);
                 page_table.backing_addr[base] = 0;
                 page_table.blocks[base] = 0;
                 base += 1;
@@ -592,7 +595,8 @@ struct Memory::Impl {
             auto orig_base = base;
             while (base != end) {
                 auto host_ptr =
-                    system.DeviceMemory().GetPointer<u8>(target) - (base << YUZU_PAGEBITS);
+                    reinterpret_cast<uintptr_t>(system.DeviceMemory().GetPointer<u8>(target)) -
+                    (base << YUZU_PAGEBITS);
                 auto backing = GetInteger(target) - (base << YUZU_PAGEBITS);
                 page_table.pointers[base].Store(host_ptr, type);
                 page_table.backing_addr[base] = backing;
@@ -618,8 +622,8 @@ struct Memory::Impl {
 
         // Avoid adding any extra logic to this fast-path block
         const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> YUZU_PAGEBITS].Raw();
-        if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
-            return &pointer[vaddr];
+        if (const uintptr_t pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
+            return reinterpret_cast<u8*>(pointer + vaddr);
         }
         switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) {
         case Common::PageType::Unmapped:
@@ -813,7 +817,7 @@ bool Memory::IsValidVirtualAddress(const Common::ProcessAddress vaddr) const {
         return false;
     }
     const auto [pointer, type] = page_table.pointers[page].PointerType();
-    return pointer != nullptr || type == Common::PageType::RasterizerCachedMemory ||
+    return pointer != 0 || type == Common::PageType::RasterizerCachedMemory ||
            type == Common::PageType::DebugMemory;
 }