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Windows: Lock invalidation tracking for the entire duration of memory ops

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Billy Laws committed 2025-07-28 17:46:14 +01:00
1 parent ac420347d1
commit a5d6d8c928
2 files changed
+63 -49
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Source/Windows/WOW64/Module.cpp
+28 -21
View File
@@ -847,30 +847,37 @@ void BTCpuNotifyMemoryDirty(void* Address, SIZE_T Size) {
}
void BTCpuNotifyMemoryAlloc(void* Address, SIZE_T Size, ULONG Type, ULONG Prot, BOOL After, ULONG Status) {
if (!After || Status) {
return;
if (!After) {
ThreadCreationMutex.lock();
} else {
if (!Status) {
InvalidationTracker->HandleMemoryProtectionNotification(reinterpret_cast<uint64_t>(Address), static_cast<uint64_t>(Size), Prot);
}
ThreadCreationMutex.unlock();
}
std::scoped_lock Lock(ThreadCreationMutex);
InvalidationTracker->HandleMemoryProtectionNotification(reinterpret_cast<uint64_t>(Address), static_cast<uint64_t>(Size), Prot);
}
void BTCpuNotifyMemoryProtect(void* Address, SIZE_T Size, ULONG NewProt, BOOL After, ULONG Status) {
if (!After || Status) {
return;
if (!After) {
ThreadCreationMutex.lock();
} else {
if (!Status) {
InvalidationTracker->HandleMemoryProtectionNotification(reinterpret_cast<uint64_t>(Address), static_cast<uint64_t>(Size), NewProt);
}
ThreadCreationMutex.unlock();
}
std::scoped_lock Lock(ThreadCreationMutex);
InvalidationTracker->HandleMemoryProtectionNotification(reinterpret_cast<uint64_t>(Address), static_cast<uint64_t>(Size), NewProt);
}
void BTCpuNotifyMemoryFree(void* Address, SIZE_T Size, ULONG FreeType, BOOL After, ULONG Status) {
if (After) {
return;
}
std::scoped_lock Lock(ThreadCreationMutex);
if (!Size) {
InvalidationTracker->InvalidateContainingSection(reinterpret_cast<uint64_t>(Address), true);
} else if (FreeType & MEM_DECOMMIT) {
InvalidationTracker->InvalidateAlignedInterval(reinterpret_cast<uint64_t>(Address), static_cast<uint64_t>(Size), true);
if (!After) {
ThreadCreationMutex.lock();
if (!Size) {
InvalidationTracker->InvalidateContainingSection(reinterpret_cast<uint64_t>(Address), true);
} else if (FreeType & MEM_DECOMMIT) {
InvalidationTracker->InvalidateAlignedInterval(reinterpret_cast<uint64_t>(Address), static_cast<uint64_t>(Size), true);
}
} else {
ThreadCreationMutex.unlock();
}
}
@@ -881,12 +888,12 @@ NTSTATUS BTCpuNotifyMapViewOfSection(void* Unk1, void* Address, void* Unk2, SIZE
}
void BTCpuNotifyUnmapViewOfSection(void* Address, BOOL After, ULONG Status) {
if (After) {
return;
if (!After) {
ThreadCreationMutex.lock();
InvalidationTracker->InvalidateContainingSection(reinterpret_cast<uint64_t>(Address), true);
} else {
ThreadCreationMutex.unlock();
}
std::scoped_lock Lock(ThreadCreationMutex);
InvalidationTracker->InvalidateContainingSection(reinterpret_cast<uint64_t>(Address), true);
}
void BTCpuNotifyReadFile(HANDLE Handle, void* Address, SIZE_T Size, BOOL After, NTSTATUS Status) {}