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Update minimal_heap.h

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toybchan
2024-11-29 15:08:00 +01:00
parent ec050206ac
commit 4da26094f6
1 changed files with 38 additions and 24 deletions
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52
minimal_heap.h
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@@ -1,52 +1,66 @@
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#define USE_HEAP_STRUCTURE_CHECKSUM 1
#define USE_CANARY_VALIDATION 1
#define HEAP_CORRUPTION_TYPE_MEMORY_AREA_CHECKSUM_MISMATCH 0
#define HEAP_CORRUPTION_TYPE_ALLOCATION_CHECKSUM_MISMATCH 1
#define HEAP_CORRUPTION_TYPE_SEGMENT_CHECKSUM_MISMATCH 1
#define HEAP_CORRUPTION_TYPE_FRONT_CANARY_MISMATCH 2
#define HEAP_CORRUPTION_TYPE_REAR_CANARY_MISMATCH 3
struct heap_stats
{
size_t num_memory_areas;
size_t num_total_segments;
size_t num_total_occupied_segments;
size_t total_size;
} typedef heap_stats;
struct heap_memory_area
{
unsigned long long size;
unsigned long long num_occupied_allocations;
size_t size;
size_t num_segments;
size_t num_occupied_segments;
heap_memory_area* next_area;
heap_memory_area* previous_area;
#if USE_HEAP_STRUCTURE_CHECKSUM
unsigned long long checksum;
int64_t checksum;
#endif
} typedef heap_memory_area;
struct heap_allocation
struct heap_segment
{
unsigned long long size;
size_t size;
bool is_occupied;
heap_allocation* next_allocation;
heap_allocation* previous_allocation;
heap_segment* next_segment;
heap_segment* previous_segment;
heap_memory_area* encapsulating_memory_area;
#if USE_HEAP_STRUCTURE_CHECKSUM
unsigned long long checksum;
int64_t checksum;
#endif
} typedef heap_allocation;
} typedef heap_segment;
struct heap_corruption_info
{
char type;
uint8_t type;
void* ptr;
unsigned long long expected_value;
unsigned long long actual_value;
int64_t expected_value;
int64_t actual_value;
} typedef heap_corruption_info;
/* Hooks to be implemented by the library user */
void* platform_request_memory_area(unsigned long long size);
bool platform_free_memory_area(void* ptr, unsigned long long size);
char platform_get_required_memory_alingment();
void* platform_request_memory_area(size_t size);
bool platform_free_memory_area(void* ptr, size_t size);
uint8_t platform_get_required_memory_alingment();
void platform_heap_corruption_detected(heap_corruption_info info);
unsigned long long config_minimal_memory_area_size();
unsigned long long config_minimum_amount_unoccupied_bytes();
unsigned long long config_minimum_amount_unoccupied_continues_bytes();
size_t config_minimal_memory_area_size();
size_t config_minimal_amount_unoccupied_bytes();
size_t config_minimal_amount_unoccupied_continuous_bytes();
/* === */