vm.c

#include <clod/sys/vm.h>
#include <linux/mman.h>
#include "syscall.h"
 
size_t clod_vm_page_size() {
    return 4096;
}
 
void *clod_vm_alloc(const size_t size) {
    const long ret = syscall(__NR_mmap, 0, (long)size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
    if (ret < 0 && ret >= -4096) {
        return nullptr;
    }
    return (void*)ret;
}
 
void clod_vm_free(void *ptr, const size_t size) {
    syscall(__NR_munmap, (long)ptr, (long)size);
}