1*2c2f96dcSApple OSS Distributions #include <stdlib.h> 2*2c2f96dcSApple OSS Distributions #include <unistd.h> 3*2c2f96dcSApple OSS Distributions #include <sys/sysctl.h> 4*2c2f96dcSApple OSS Distributions #include <sys/mman.h> 5*2c2f96dcSApple OSS Distributions 6*2c2f96dcSApple OSS Distributions #include <darwintest.h> 7*2c2f96dcSApple OSS Distributions 8*2c2f96dcSApple OSS Distributions 9*2c2f96dcSApple OSS Distributions /* 10*2c2f96dcSApple OSS Distributions * macOS only test. Try to map 2 different MAP_JIT regions. 2nd should fail. 11*2c2f96dcSApple OSS Distributions */ 12*2c2f96dcSApple OSS Distributions T_DECL(restrict_jit, "macOS restricted JIT entitlement test") 13*2c2f96dcSApple OSS Distributions { 14*2c2f96dcSApple OSS Distributions #if TARGET_OS_OSX 15*2c2f96dcSApple OSS Distributions void *addr1; 16*2c2f96dcSApple OSS Distributions void *addr2; 17*2c2f96dcSApple OSS Distributions size_t size = 64 * 1024; 18*2c2f96dcSApple OSS Distributions 19*2c2f96dcSApple OSS Distributions 20*2c2f96dcSApple OSS Distributions addr1 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 21*2c2f96dcSApple OSS Distributions T_ASSERT_NE_PTR(addr1, MAP_FAILED, "First map MAP_JIT"); 22*2c2f96dcSApple OSS Distributions 23*2c2f96dcSApple OSS Distributions addr2 = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0); 24*2c2f96dcSApple OSS Distributions if (addr2 == MAP_FAILED) { 25*2c2f96dcSApple OSS Distributions T_PASS("Only one MAP_JIT was allowed"); 26*2c2f96dcSApple OSS Distributions } else { 27*2c2f96dcSApple OSS Distributions T_FAIL("Second MAP_JIT was allowed"); 28*2c2f96dcSApple OSS Distributions } 29*2c2f96dcSApple OSS Distributions 30*2c2f96dcSApple OSS Distributions #else 31*2c2f96dcSApple OSS Distributions T_SKIP("Not macOS"); 32*2c2f96dcSApple OSS Distributions #endif 33*2c2f96dcSApple OSS Distributions } 34