1*5e3eaea3SApple OSS Distributions #include <stdlib.h> 2*5e3eaea3SApple OSS Distributions #include <unistd.h> 3*5e3eaea3SApple OSS Distributions #include <sys/sysctl.h> 4*5e3eaea3SApple OSS Distributions #include <sys/mman.h> 5*5e3eaea3SApple OSS Distributions 6*5e3eaea3SApple OSS Distributions #include <darwintest.h> 7*5e3eaea3SApple OSS Distributions 8*5e3eaea3SApple OSS Distributions 9*5e3eaea3SApple OSS Distributions /* 10*5e3eaea3SApple OSS Distributions * macOS only test. Try to map 2 different MAP_JIT regions. 2nd should fail. 11*5e3eaea3SApple OSS Distributions */ 12*5e3eaea3SApple OSS Distributions T_DECL(restrict_jit, "macOS restricted JIT entitlement test") 13*5e3eaea3SApple OSS Distributions { 14*5e3eaea3SApple OSS Distributions #if TARGET_OS_OSX 15*5e3eaea3SApple OSS Distributions void *addr1; 16*5e3eaea3SApple OSS Distributions void *addr2; 17*5e3eaea3SApple OSS Distributions size_t size = 64 * 1024; 18*5e3eaea3SApple OSS Distributions 19*5e3eaea3SApple OSS Distributions 20*5e3eaea3SApple OSS Distributions addr1 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 21*5e3eaea3SApple OSS Distributions T_ASSERT_NE_PTR(addr1, MAP_FAILED, "First map MAP_JIT"); 22*5e3eaea3SApple OSS Distributions 23*5e3eaea3SApple OSS Distributions addr2 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 24*5e3eaea3SApple OSS Distributions if (addr2 == MAP_FAILED) { 25*5e3eaea3SApple OSS Distributions T_PASS("Only one MAP_JIT was allowed"); 26*5e3eaea3SApple OSS Distributions } else { 27*5e3eaea3SApple OSS Distributions T_FAIL("Second MAP_JIT was allowed"); 28*5e3eaea3SApple OSS Distributions } 29*5e3eaea3SApple OSS Distributions 30*5e3eaea3SApple OSS Distributions #else 31*5e3eaea3SApple OSS Distributions T_SKIP("Not macOS"); 32*5e3eaea3SApple OSS Distributions #endif 33*5e3eaea3SApple OSS Distributions } 34