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Implement pool allocations and frees tracking
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This commit is contained in:
Aiken Harris
2026-03-23 18:54:18 +01:00
parent 597628a644
commit 944d5b5c0a
8 changed files with 448 additions and 59 deletions
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30
xtoskrnl/includes/mm/alloc.hh
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@@ -19,11 +19,16 @@ namespace MM
class Allocator final : private Pool
{
private:
STATIC PPOOL_TRACKING_TABLE AllocationsTrackingTable;
STATIC KSPIN_LOCK AllocationsTrackingTableLock;
STATIC SIZE_T AllocationsTrackingTableMask;
STATIC SIZE_T AllocationsTrackingTableSize;
STATIC ULONG BigAllocationsInUse;
STATIC PPOOL_TRACKER_BIG_ALLOCATIONS BigAllocationsTable;
STATIC SIZE_T BigAllocationsTableHash;
STATIC KSPIN_LOCK BigAllocationsTableLock;
STATIC SIZE_T BigAllocationsTableSize;
STATIC PPOOL_TRACKER_BIG_ALLOCATIONS BigAllocationsTrackingTable;
STATIC SIZE_T BigAllocationsTrackingTableHash;
STATIC KSPIN_LOCK BigAllocationsTrackingTableLock;
STATIC SIZE_T BigAllocationsTrackingTableSize;
STATIC PPOOL_TRACKING_TABLE TagTables[MM_POOL_TRACKING_TABLES];
public:
STATIC XTAPI XTSTATUS AllocatePages(IN MMPOOL_TYPE PoolType,
@@ -42,7 +47,8 @@ namespace MM
STATIC XTAPI XTSTATUS FreePool(IN PVOID VirtualAddress);
STATIC XTAPI XTSTATUS FreePool(IN PVOID VirtualAddress,
IN ULONG Tag);
STATIC XTAPI VOID InitializeBigAllocationsTable(VOID);
STATIC XTAPI VOID InitializeAllocationsTracking(VOID);
STATIC XTAPI VOID InitializeBigAllocationsTracking(VOID);
private:
STATIC XTAPI XTSTATUS AllocateNonPagedPoolPages(IN PFN_COUNT Pages,
@@ -50,17 +56,25 @@ namespace MM
STATIC XTAPI XTSTATUS AllocatePagedPoolPages(IN PFN_COUNT Pages,
OUT PVOID *Memory);
STATIC XTINLINE ULONG ComputeHash(IN PVOID VirtualAddress);
STATIC XTINLINE ULONG ComputeHash(IN ULONG Tag,
IN ULONG TableMask);
STATIC XTAPI BOOLEAN ExpandBigAllocationsTable(VOID);
STATIC XTAPI XTSTATUS FreeNonPagedPoolPages(IN PVOID VirtualAddress,
OUT PPFN_NUMBER PagesFreed);
STATIC XTAPI XTSTATUS FreePagedPoolPages(IN PVOID VirtualAddress,
OUT PPFN_NUMBER PagesFreed);
STATIC XTAPI VOID RegisterAllocationTag(IN ULONG Tag,
IN SIZE_T Bytes,
IN MMPOOL_TYPE PoolType);
STATIC XTAPI BOOLEAN RegisterBigAllocationTag(IN PVOID VirtualAddress,
IN ULONG Key,
IN ULONG NumberOfPages,
IN ULONG Tag,
IN ULONG Pages,
IN MMPOOL_TYPE PoolType);
STATIC XTAPI VOID UnregisterAllocationTag(IN ULONG Tag,
IN SIZE_T Bytes,
IN MMPOOL_TYPE PoolType);
STATIC XTAPI ULONG UnregisterBigAllocationTag(IN PVOID VirtualAddress,
OUT PULONG_PTR NumberOfPages,
OUT PULONG_PTR Pages,
IN MMPOOL_TYPE PoolType);
};
}