1*1b191cb5SApple OSS Distributions #include <stdlib.h> 2*1b191cb5SApple OSS Distributions #include <unistd.h> 3*1b191cb5SApple OSS Distributions #include <sys/sysctl.h> 4*1b191cb5SApple OSS Distributions #include <sys/mman.h> 5*1b191cb5SApple OSS Distributions 6*1b191cb5SApple OSS Distributions #include <darwintest.h> 7*1b191cb5SApple OSS Distributions 8*1b191cb5SApple OSS Distributions 9*1b191cb5SApple OSS Distributions /* 10*1b191cb5SApple OSS Distributions * macOS only test. Try to map 2 different MAP_JIT regions. 2nd should fail. 11*1b191cb5SApple OSS Distributions */ 12*1b191cb5SApple OSS Distributions T_DECL(restrict_jit, "macOS restricted JIT entitlement test") 13*1b191cb5SApple OSS Distributions { 14*1b191cb5SApple OSS Distributions #if TARGET_OS_OSX 15*1b191cb5SApple OSS Distributions void *addr1; 16*1b191cb5SApple OSS Distributions void *addr2; 17*1b191cb5SApple OSS Distributions size_t size = 64 * 1024; 18*1b191cb5SApple OSS Distributions 19*1b191cb5SApple OSS Distributions 20*1b191cb5SApple OSS Distributions addr1 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 21*1b191cb5SApple OSS Distributions T_ASSERT_NE_PTR(addr1, MAP_FAILED, "First map MAP_JIT"); 22*1b191cb5SApple OSS Distributions 23*1b191cb5SApple OSS Distributions addr2 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 24*1b191cb5SApple OSS Distributions if (addr2 == MAP_FAILED) { 25*1b191cb5SApple OSS Distributions T_PASS("Only one MAP_JIT was allowed"); 26*1b191cb5SApple OSS Distributions } else { 27*1b191cb5SApple OSS Distributions T_FAIL("Second MAP_JIT was allowed"); 28*1b191cb5SApple OSS Distributions } 29*1b191cb5SApple OSS Distributions 30*1b191cb5SApple OSS Distributions #else 31*1b191cb5SApple OSS Distributions T_SKIP("Not macOS"); 32*1b191cb5SApple OSS Distributions #endif 33*1b191cb5SApple OSS Distributions } 34