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added custom metadata and heapwalk function

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toybchan
2026-06-11 01:51:58 +02:00
parent e75b551159
commit 273868ee63
3 changed files with 101 additions and 22 deletions
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16
minimal_heap.h
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@@ -91,6 +91,11 @@ typedef struct _MIHP_HeapMemoryAreaHeader
uint32_t Checksum; // Checksum must be the last member !
} MIHP_HeapMemoryAreaHeader;
typedef struct _MIHP_AllocationCustomMetadata
{
uint8_t data[16];
} MIHP_AllocationCustomMetadata;
// This structs size must be multiple of 8
typedef struct _MIHP_HeapSegmentHeader
{
@@ -101,9 +106,9 @@ typedef struct _MIHP_HeapSegmentHeader
struct _MIHP_HeapSegmentHeader* PreviousSegment;
struct _MIHP_HeapMemoryAreaHeader* OwningMemoryArea;
uint8_t _padding0[16];
struct _MIHP_AllocationCustomMetadata CustomMetadata;
uint32_t Checksum; // Checksum must be the last member !
uint32_t Checksum; // Checksum must be the last member !
} MIHP_HeapSegmentHeader;
@@ -134,11 +139,18 @@ void* MIHP_Allocate(MIHP_Heap* heap, size_t size);
void* MIHP_Reallocate(MIHP_Heap* heap, void* ptr, size_t newSize);
bool MIHP_Free(MIHP_Heap* heap, void* ptr);
bool MIHP_SetCustomMetadata(MIHP_Heap* heap, void* ptr, MIHP_AllocationCustomMetadata metadata);
bool MIHP_GetCustomMetadata(MIHP_Heap* heap, void* ptr, MIHP_AllocationCustomMetadata* outMetadata);
bool MIHP_MergeHeaps(MIHP_Heap* sourceHeap, MIHP_Heap* heapToAbsorb);
bool MIHP_IsPointerInHeap(MIHP_Heap* heap, void* ptr);
size_t MIHP_GetPtrAllocationSize(MIHP_Heap* heap, void* ptr);
void MIHP_ValidateHeap(MIHP_Heap* heap);
typedef void(MIHP_WalkHeapCallbackFn)(const MIHP_Heap* heap, const MIHP_HeapMemoryAreaHeader* area, const MIHP_HeapSegmentHeader* segment);
bool MIHP_WalkHeap(MIHP_Heap* heap, MIHP_WalkHeapCallbackFn* callback);
/* */
/* Internals */