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authorDavid Carlier <devnexen@gmail.com>2020-07-04 12:36:53 +0100
committerDavid Carlier <devnexen@gmail.com>2020-07-04 12:36:53 +0100
commit29102d6bf169bc26171d9b24430ac4e8a1c91452 (patch)
treec87c053a8c38226f255257eb73a1976fd2eb93a8
parent139665c01dce7b85941d6e1b61aaebd06e316cba (diff)
downloadafl++-29102d6bf169bc26171d9b24430ac4e8a1c91452.tar.gz
libdislocator: hugepage enabled for illumos too.
-rw-r--r--libdislocator/libdislocator.so.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/libdislocator/libdislocator.so.c b/libdislocator/libdislocator.so.c
index 7a70fd15..b93f43c1 100644
--- a/libdislocator/libdislocator.so.c
+++ b/libdislocator/libdislocator.so.c
@@ -166,7 +166,7 @@ static u32 alloc_canary;
static void *__dislocator_alloc(size_t len) {
- u8 * ret;
+ u8 * ret, *base;
size_t tlen;
int flags, fd, sp;
@@ -189,6 +189,7 @@ static void *__dislocator_alloc(size_t len) {
/* We will also store buffer length and a canary below the actual buffer, so
let's add 8 bytes for that. */
+ base = NULL;
tlen = (1 + PG_COUNT(rlen + 8)) * PAGE_SIZE;
flags = MAP_PRIVATE | MAP_ANONYMOUS;
fd = -1;
@@ -201,12 +202,19 @@ static void *__dislocator_alloc(size_t len) {
if (sp) flags |= MAP_HUGETLB;
#elif defined(__FreeBSD__)
if (sp) flags |= MAP_ALIGNED_SUPER;
+ #elif defined(__sun)
+ if (sp) {
+
+ base = (void *)(caddr_t)(1<<21);
+ flags |= MAP_ALIGN;
+
+ }
#endif
#else
(void)sp;
#endif
- ret = (u8 *)mmap(NULL, tlen, PROT_READ | PROT_WRITE, flags, fd, 0);
+ ret = (u8 *)mmap(base, tlen, PROT_READ | PROT_WRITE, flags, fd, 0);
#if defined(USEHUGEPAGE)
/* We try one more time with regular call */
if (ret == MAP_FAILED) {
@@ -217,6 +225,8 @@ static void *__dislocator_alloc(size_t len) {
flags &= -MAP_HUGETLB;
#elif defined(__FreeBSD__)
flags &= -MAP_ALIGNED_SUPER;
+ #elif defined(__sun)
+ flags &= -MAP_ALIGN;
#endif
ret = (u8 *)mmap(NULL, tlen, PROT_READ | PROT_WRITE, flags, fd, 0);