mirror of
https://github.com/GrapheneOS/hardened_malloc.git
synced 2024-10-01 01:36:01 -04:00
17 lines
491 B
C
17 lines
491 B
C
|
#ifndef PAGES_H
|
||
|
#define PAGES_H
|
||
|
|
||
|
#include <stdbool.h>
|
||
|
#include <stddef.h>
|
||
|
|
||
|
#define PAGE_SHIFT 12
|
||
|
#define PAGE_SIZE ((size_t)1 << PAGE_SHIFT)
|
||
|
#define PAGE_MASK ((size_t)(PAGE_SIZE - 1))
|
||
|
#define PAGE_CEILING(s) (((s) + PAGE_MASK) & ~PAGE_MASK)
|
||
|
|
||
|
void *allocate_pages(size_t usable_size, size_t guard_size, bool unprotect);
|
||
|
void deallocate_pages(void *usable, size_t usable_size, size_t guard_size);
|
||
|
void *allocate_pages_aligned(size_t usable_size, size_t alignment, size_t guard_size);
|
||
|
|
||
|
#endif
|