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Merge pull request #10990 from comex/ubsan

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Fixes and workarounds to make UBSan happier on macOS
This commit is contained in:
liamwhite 2023-07-26 10:33:28 -04:00 • committed by GitHub
commit a28a0c47f8
11 changed files with 42 additions and 32 deletions
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30
src/core/memory.cpp
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@ -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;
}