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guard metadata with Memory Protection Keys (MPK)

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Daniel Micay
2018-10-19 21:29:40 -04:00
parent ac8c68de53
commit 0b963078d5
6 changed files with 126 additions and 18 deletions
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5
memory.h
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@@ -3,11 +3,14 @@
#include <stddef.h>
int get_metadata_key(void);
void *memory_map(size_t size);
int memory_map_fixed(void *ptr, size_t size);
int memory_unmap(void *ptr, size_t size);
int memory_protect_rw(void *ptr, size_t size);
int memory_protect_ro(void *ptr, size_t size);
int memory_protect_rw(void *ptr, size_t size);
int memory_protect_rw_metadata(void *ptr, size_t size);
int memory_remap(void *old, size_t old_size, size_t new_size);
int memory_remap_fixed(void *old, size_t old_size, void *new, size_t new_size);