#ifndef _VM_SEGMENT_H_ #define _VM_SEGMENT_H_ #include "vm_bits.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 void 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 void vm_segment_set(vm_segment *, size_t, vm_8bit); #endif