1*fdd8201dSApple OSS Distributions #include <stdlib.h> 2*fdd8201dSApple OSS Distributions #include <unistd.h> 3*fdd8201dSApple OSS Distributions #include <sys/sysctl.h> 4*fdd8201dSApple OSS Distributions #include <sys/mman.h> 5*fdd8201dSApple OSS Distributions 6*fdd8201dSApple OSS Distributions #include <darwintest.h> 7*fdd8201dSApple OSS Distributions 8*fdd8201dSApple OSS Distributions 9*fdd8201dSApple OSS Distributions /* 10*fdd8201dSApple OSS Distributions * macOS only test. Try to map 2 different MAP_JIT regions. 2nd should fail. 11*fdd8201dSApple OSS Distributions */ 12*fdd8201dSApple OSS Distributions T_DECL(restrict_jit, "macOS restricted JIT entitlement test") 13*fdd8201dSApple OSS Distributions { 14*fdd8201dSApple OSS Distributions #if TARGET_OS_OSX 15*fdd8201dSApple OSS Distributions void *addr1; 16*fdd8201dSApple OSS Distributions void *addr2; 17*fdd8201dSApple OSS Distributions size_t size = 64 * 1024; 18*fdd8201dSApple OSS Distributions 19*fdd8201dSApple OSS Distributions 20*fdd8201dSApple OSS Distributions addr1 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 21*fdd8201dSApple OSS Distributions T_ASSERT_NE_PTR(addr1, MAP_FAILED, "First map MAP_JIT"); 22*fdd8201dSApple OSS Distributions 23*fdd8201dSApple OSS Distributions addr2 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 24*fdd8201dSApple OSS Distributions if (addr2 == MAP_FAILED) { 25*fdd8201dSApple OSS Distributions T_PASS("Only one MAP_JIT was allowed"); 26*fdd8201dSApple OSS Distributions } else { 27*fdd8201dSApple OSS Distributions T_FAIL("Second MAP_JIT was allowed"); 28*fdd8201dSApple OSS Distributions } 29*fdd8201dSApple OSS Distributions 30*fdd8201dSApple OSS Distributions #else 31*fdd8201dSApple OSS Distributions T_SKIP("Not macOS"); 32*fdd8201dSApple OSS Distributions #endif 33*fdd8201dSApple OSS Distributions } 34