erc-c/include/vm_segment.h

#ifndef _VM_SEGMENT_H_
#define _VM_SEGMENT_H_

#include "vm_bits.h"
#include "log.h"

/*
 * The bounds check is just some inline code to try and cut down on the
 * cost of it.
 */
#define vm_segment_bounds_check(segment, index) \
	(index == index % segment->size)

typedef struct {
    /*
     * The size of our memory segment. This is used for bounds checking.
     */
	size_t size;

    /*
     * This is the actual chunk of memory we allocate.
     */
	vm_8bit *memory;
} vm_segment;

extern int vm_segment_copy(vm_segment *, vm_segment *, size_t, size_t, size_t);
extern vm_segment *vm_segment_create(size_t);
extern void vm_segment_free(vm_segment *);
extern vm_8bit vm_segment_get(vm_segment *, size_t);
extern int vm_segment_set(vm_segment *, size_t, vm_8bit);

#endif