1*0f4c859eSApple OSS Distributions #include <stdlib.h> 2*0f4c859eSApple OSS Distributions #include <unistd.h> 3*0f4c859eSApple OSS Distributions #include <sys/sysctl.h> 4*0f4c859eSApple OSS Distributions #include <sys/mman.h> 5*0f4c859eSApple OSS Distributions 6*0f4c859eSApple OSS Distributions #include <darwintest.h> 7*0f4c859eSApple OSS Distributions 8*0f4c859eSApple OSS Distributions 9*0f4c859eSApple OSS Distributions /* 10*0f4c859eSApple OSS Distributions * macOS only test. Try to map 2 different MAP_JIT regions. 2nd should fail. 11*0f4c859eSApple OSS Distributions */ 12*0f4c859eSApple OSS Distributions T_DECL(restrict_jit, "macOS restricted JIT entitlement test") 13*0f4c859eSApple OSS Distributions { 14*0f4c859eSApple OSS Distributions #if TARGET_OS_OSX 15*0f4c859eSApple OSS Distributions void *addr1; 16*0f4c859eSApple OSS Distributions void *addr2; 17*0f4c859eSApple OSS Distributions size_t size = 64 * 1024; 18*0f4c859eSApple OSS Distributions 19*0f4c859eSApple OSS Distributions 20*0f4c859eSApple OSS Distributions addr1 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 21*0f4c859eSApple OSS Distributions T_ASSERT_NE_PTR(addr1, MAP_FAILED, "First map MAP_JIT"); 22*0f4c859eSApple OSS Distributions 23*0f4c859eSApple OSS Distributions addr2 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 24*0f4c859eSApple OSS Distributions if (addr2 == MAP_FAILED) { 25*0f4c859eSApple OSS Distributions T_PASS("Only one MAP_JIT was allowed"); 26*0f4c859eSApple OSS Distributions } else { 27*0f4c859eSApple OSS Distributions T_FAIL("Second MAP_JIT was allowed"); 28*0f4c859eSApple OSS Distributions } 29*0f4c859eSApple OSS Distributions 30*0f4c859eSApple OSS Distributions #else 31*0f4c859eSApple OSS Distributions T_SKIP("Not macOS"); 32*0f4c859eSApple OSS Distributions #endif 33*0f4c859eSApple OSS Distributions } 34