source: src/examples/gc_no_raii/src/internal/gc_tools.h @ 29ad0ac

#pragma once

#include <stddef.h>
#include <stdint.h>

#include "tools.h"
#include "globals.h"

inline bool gc_is_aligned(void* address)
{
        return (((intptr_t)address) & (~OBJECT_PTR_MASK)) == 0;
}

// inline void* gc_get_aligned_ptr(void* address)
// {
//      return (void*)(((intptr_t)address) & (OBJECT_PTR_MASK));
// }
//
// inline void* gc_write_aligned_ptr(void** reference, void* address)
// {
//      size_t ref_last_bits = ((intptr_t)*reference) & (~OBJECT_PTR_MASK);
//
//       size_t new_val = ((intptr_t)address) & OBJECT_PTR_MASK;
//
//       (*reference) = (void*)(new_val | ref_last_bits);
//
//      return *reference;
// }
//
// inline size_t gc_compute_size(size_t size)
// {
//      size_t word_size = ((size - 1) / OBJECT_ALLIGNMENT) + 1;
//      size_t ret = word_size * OBJECT_ALLIGNMENT;
//
//      check(ret >= size);
//      check((ret % OBJECT_ALLIGNMENT) == 0);
//      check( ((size % OBJECT_ALLIGNMENT) != 0) || (ret == size) );
//
//      return ret;
// }