1 // RUN: %clangxx_asan %s -o %t
2 // RUN: not %run %t 0 2>&1 | FileCheck %s
3 // RUN: not %run %t n 2>&1 | FileCheck %s -check-prefix=CHECK -check-prefix=NON_EXEC
4 
5 // Not every OS lists every memory region in MemoryMappingLayout.
6 // This is limited to x86_64 because some architectures (e.g. the s390 before
7 // the z14) don't support NX mappings and others like PowerPC use function
8 // descriptors.
9 // REQUIRES: x86-target-arch && (linux || freebsd || netbsd)
10 
11 #include <assert.h>
12 
13 typedef void void_f();
14 int main(int argc, char **argv) {
15   char *array = new char[42];
16   void_f *func;
17   assert(argc > 1);
18   if (argv[1][0] == '0') {
19     func = (void_f *)0x04;
20   } else {
21     assert(argv[1][0] == 'n');
22     func = (void_f *)array;
23   }
24 
25   func();
26   // CHECK: DEADLYSIGNAL
27   // CHECK: {{AddressSanitizer: (SEGV|access-violation).*(address|pc) }}
28   // NON_EXEC: PC is at a non-executable region. Maybe a wild jump?
29   return 0;
30 }
31