1*e3723e1fSApple OSS Distributions #include <stdlib.h> 2*e3723e1fSApple OSS Distributions #include <unistd.h> 3*e3723e1fSApple OSS Distributions #include <sys/sysctl.h> 4*e3723e1fSApple OSS Distributions #include <sys/mman.h> 5*e3723e1fSApple OSS Distributions 6*e3723e1fSApple OSS Distributions #include <darwintest.h> 7*e3723e1fSApple OSS Distributions 8*e3723e1fSApple OSS Distributions 9*e3723e1fSApple OSS Distributions /* 10*e3723e1fSApple OSS Distributions * macOS only test. Try to map 2 different MAP_JIT regions. 2nd should fail. 11*e3723e1fSApple OSS Distributions */ 12*e3723e1fSApple OSS Distributions T_DECL(restrict_jit, "macOS restricted JIT entitlement test") 13*e3723e1fSApple OSS Distributions { 14*e3723e1fSApple OSS Distributions #if TARGET_OS_OSX 15*e3723e1fSApple OSS Distributions void *addr1; 16*e3723e1fSApple OSS Distributions void *addr2; 17*e3723e1fSApple OSS Distributions size_t size = 64 * 1024; 18*e3723e1fSApple OSS Distributions 19*e3723e1fSApple OSS Distributions 20*e3723e1fSApple OSS Distributions addr1 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 21*e3723e1fSApple OSS Distributions T_ASSERT_NE_PTR(addr1, MAP_FAILED, "First map MAP_JIT"); 22*e3723e1fSApple OSS Distributions 23*e3723e1fSApple OSS Distributions addr2 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 24*e3723e1fSApple OSS Distributions if (addr2 == MAP_FAILED) { 25*e3723e1fSApple OSS Distributions T_PASS("Only one MAP_JIT was allowed"); 26*e3723e1fSApple OSS Distributions } else { 27*e3723e1fSApple OSS Distributions T_FAIL("Second MAP_JIT was allowed"); 28*e3723e1fSApple OSS Distributions } 29*e3723e1fSApple OSS Distributions 30*e3723e1fSApple OSS Distributions #else 31*e3723e1fSApple OSS Distributions T_SKIP("Not macOS"); 32*e3723e1fSApple OSS Distributions #endif 33*e3723e1fSApple OSS Distributions } 34