diff options
| -rw-r--r-- | malloc/malloc.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c index cc222eaba2..392116a5ac 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -1284,8 +1284,16 @@ static mchunkptr mremap_chunk(mchunkptr p, size_t new_size); # define MAP_NORESERVE 0 #endif +/* Allow RW mprotect later, on CHERI this means RW capability permission. */ +#ifdef PROT_MAX +# define PROT_MAX_RW PROT_MAX (PROT_READ | PROT_WRITE) +#else +# define PROT_MAX_RW 0 +#endif + #define MMAP(addr, size, prot, flags) \ - __mmap((addr), (size), (prot), (flags)|MAP_ANONYMOUS|MAP_PRIVATE, -1, 0) + __mmap((addr), (size), (prot)|PROT_MAX_RW, \ + (flags)|MAP_ANONYMOUS|MAP_PRIVATE, -1, 0) /* |