projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| c3c9b80d A |
1 | #include <stdlib.h> |
| 2 | #include <unistd.h> | |
| 3 | #include <sys/sysctl.h> | |
| 4 | #include <sys/mman.h> | |
| 5 | ||
| 6 | #include <darwintest.h> | |
| 7 | ||
| 8 | ||
| 9 | /* | |
| 10 | * macOS only test. Try to map 2 different MAP_JIT regions. 2nd should fail. | |
| 11 | */ | |
| 12 | T_DECL(restrict_jit, "macOS restricted JIT entitlement test") | |
| 13 | { | |
| 14 | #if TARGET_OS_OSX | |
| 15 | void *addr1; | |
| 16 | void *addr2; | |
| 17 | size_t size = 64 * 1024; | |
| 18 | ||
| 19 | ||
| 20 | addr1 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); | |
| 21 | T_ASSERT_NE_PTR(addr1, MAP_FAILED, "First map MAP_JIT"); | |
| 22 | ||
| 23 | addr2 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); | |
| 24 | if (addr2 == MAP_FAILED) { | |
| 25 | T_PASS("Only one MAP_JIT was allowed"); | |
| 26 | } else { | |
| 27 | T_FAIL("Second MAP_JIT was allowed"); | |
| 28 | } | |
| 29 | ||
| 30 | #else | |
| 31 | T_SKIP("Not macOS"); | |
| 32 | #endif | |
| 33 | } |