174ad3115SFilipe Cabecinhas // RUN: %clangxx_asan %s -o %t
274ad3115SFilipe Cabecinhas // RUN: not %run %t 0 2>&1 | FileCheck %s
374ad3115SFilipe Cabecinhas // RUN: not %run %t n 2>&1 | FileCheck %s -check-prefix=CHECK -check-prefix=NON_EXEC
474ad3115SFilipe Cabecinhas 
5d92f3982SKamil Rytarowski // Not every OS lists every memory region in MemoryMappingLayout.
6*f90ad5b3SVlad Tsyrklevich // This is limited to x86_64 because some architectures (e.g. the s390 before
7*f90ad5b3SVlad Tsyrklevich // the z14) don't support NX mappings and others like PowerPC use function
8*f90ad5b3SVlad Tsyrklevich // descriptors.
9*f90ad5b3SVlad Tsyrklevich // REQUIRES: x86-target-arch && (linux || freebsd || netbsd)
10f4556f63SUlrich Weigand 
1174ad3115SFilipe Cabecinhas #include <assert.h>
1274ad3115SFilipe Cabecinhas 
1374ad3115SFilipe Cabecinhas typedef void void_f();
main(int argc,char ** argv)1474ad3115SFilipe Cabecinhas int main(int argc, char **argv) {
1574ad3115SFilipe Cabecinhas   char *array = new char[42];
1674ad3115SFilipe Cabecinhas   void_f *func;
1774ad3115SFilipe Cabecinhas   assert(argc > 1);
1874ad3115SFilipe Cabecinhas   if (argv[1][0] == '0') {
1974ad3115SFilipe Cabecinhas     func = (void_f *)0x04;
2074ad3115SFilipe Cabecinhas   } else {
2174ad3115SFilipe Cabecinhas     assert(argv[1][0] == 'n');
2274ad3115SFilipe Cabecinhas     func = (void_f *)array;
2374ad3115SFilipe Cabecinhas   }
2474ad3115SFilipe Cabecinhas 
2574ad3115SFilipe Cabecinhas   func();
2674ad3115SFilipe Cabecinhas   // CHECK: DEADLYSIGNAL
2774ad3115SFilipe Cabecinhas   // CHECK: {{AddressSanitizer: (SEGV|access-violation).*(address|pc) }}
2874ad3115SFilipe Cabecinhas   // NON_EXEC: PC is at a non-executable region. Maybe a wild jump?
2974ad3115SFilipe Cabecinhas   return 0;
3074ad3115SFilipe Cabecinhas }
31