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 // Only Linux and FreeBSD list every memory region in MemoryMappingLayout, for now.
6 // REQUIRES: linux || freebsd
7 
8 #include <assert.h>
9 
10 typedef void void_f();
11 int main(int argc, char **argv) {
12   char *array = new char[42];
13   void_f *func;
14   assert(argc > 1);
15   if (argv[1][0] == '0') {
16     func = (void_f *)0x04;
17   } else {
18     assert(argv[1][0] == 'n');
19     func = (void_f *)array;
20   }
21 
22   func();
23   // x86 reports the SEGV with both address=X and pc=X.
24   // On PowerPC64 ELFv1, the pointer is taken to be a function-descriptor
25   // pointer out of which three 64-bit quantities are read. This will SEGV, but
26   // the compiler is free to choose the order. As a result, the address is
27   // either X, X+0x8 or X+0x10. The pc is still in main() because it has not
28   // actually made the call when the faulting access occurs.
29   // CHECK: DEADLYSIGNAL
30   // CHECK: {{AddressSanitizer: (SEGV|access-violation).*(address|pc) }}
31   // NON_EXEC: PC is at a non-executable region. Maybe a wild jump?
32   return 0;
33 }
34