1*8d741a5dSApple OSS Distributions #include <stdlib.h> 2*8d741a5dSApple OSS Distributions #include <unistd.h> 3*8d741a5dSApple OSS Distributions #include <sys/sysctl.h> 4*8d741a5dSApple OSS Distributions #include <sys/mman.h> 5*8d741a5dSApple OSS Distributions 6*8d741a5dSApple OSS Distributions #include <darwintest.h> 7*8d741a5dSApple OSS Distributions 8*8d741a5dSApple OSS Distributions 9*8d741a5dSApple OSS Distributions /* 10*8d741a5dSApple OSS Distributions * macOS only test. Try to map 2 different MAP_JIT regions. 2nd should fail. 11*8d741a5dSApple OSS Distributions */ 12*8d741a5dSApple OSS Distributions T_DECL(restrict_jit, "macOS restricted JIT entitlement test") 13*8d741a5dSApple OSS Distributions { 14*8d741a5dSApple OSS Distributions #if TARGET_OS_OSX 15*8d741a5dSApple OSS Distributions void *addr1; 16*8d741a5dSApple OSS Distributions void *addr2; 17*8d741a5dSApple OSS Distributions size_t size = 64 * 1024; 18*8d741a5dSApple OSS Distributions 19*8d741a5dSApple OSS Distributions 20*8d741a5dSApple OSS Distributions addr1 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 21*8d741a5dSApple OSS Distributions T_ASSERT_NE_PTR(addr1, MAP_FAILED, "First map MAP_JIT"); 22*8d741a5dSApple OSS Distributions 23*8d741a5dSApple OSS Distributions addr2 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 24*8d741a5dSApple OSS Distributions if (addr2 == MAP_FAILED) { 25*8d741a5dSApple OSS Distributions T_PASS("Only one MAP_JIT was allowed"); 26*8d741a5dSApple OSS Distributions } else { 27*8d741a5dSApple OSS Distributions T_FAIL("Second MAP_JIT was allowed"); 28*8d741a5dSApple OSS Distributions } 29*8d741a5dSApple OSS Distributions 30*8d741a5dSApple OSS Distributions #else 31*8d741a5dSApple OSS Distributions T_SKIP("Not macOS"); 32*8d741a5dSApple OSS Distributions #endif 33*8d741a5dSApple OSS Distributions } 34