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#include <stdlib.h>
#include <stdbool.h>
#include "test.h"
#include <stdint.h>
#include <stddef.h>
#define NB_SMALL_SIZE_CLASSES 32
#define OBMALLOC_USED_POOLS_SIZE (2 * ((NB_SMALL_SIZE_CLASSES + 7) / 8) * 8)
#define MAX_POOLS_IN_ARENA 8
#define INITIAL_ARENA_OBJECTS 16
typedef void* poolp;
struct arena_object { int dummy; };
struct _obmalloc_pools {
poolp used[OBMALLOC_USED_POOLS_SIZE];
};
struct _obmalloc_mgmt {
struct arena_object* arenas;
uint maxarenas;
struct arena_object* unused_arena_objects;
struct arena_object* usable_arenas;
struct arena_object* nfp2lasta[MAX_POOLS_IN_ARENA + 1];
size_t narenas_currently_allocated;
size_t ntimes_arena_allocated;
size_t narenas_highwater;
size_t raw_allocated_blocks;
};
typedef struct _obmalloc_state {
struct _obmalloc_pools pools;
struct _obmalloc_mgmt mgmt;
} OMState;
// Simulate the interpreter state
static OMState obmalloc_state_main;
static OMState* get_state(void) {
return &obmalloc_state_main;
}
// Simulated allocation
void* _PyObject_Malloc(size_t nbytes) {
OMState *state = get_state();
void* ptr = malloc(nbytes);
if (ptr) state->mgmt.raw_allocated_blocks++;
return ptr;
}
int main(void) {
OMState *state = get_state();
printf("State address: %p\n", state);
printf("Pools address: %p\n", &state->pools);
printf("Mgmt address: %p\n", &state->mgmt);
// Initialize pools
for (int i = 0; i < OBMALLOC_USED_POOLS_SIZE; i++)
state->pools.used[i] = (poolp)(uintptr_t)(0x1000 + i);
// Allocate multiple objects
void* objs[10];
for (int i = 0; i < 10; i++) {
objs[i] = _PyObject_Malloc(64);
printf("Allocated object[%d]: %p\n", i, objs[i]);
}
printf("Raw allocated blocks: %zu\n", state->mgmt.raw_allocated_blocks);
ASSERT(10, state->mgmt.raw_allocated_blocks);
return 0;
}
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