| // Check that ASan correctly detects SEGV on the zero page. |
| // RUN: %clangxx_asan %s -o %t && not %run %t 2>&1 | FileCheck %s |
| |
| typedef void void_f(); |
| int main() { |
| void_f *func = (void_f *)0x4; |
| func(); |
| // x86 reports the SEGV with both address=4 and pc=4. |
| // On PowerPC64 ELFv1, the pointer is taken to be a function-descriptor |
| // pointer out of which three 64-bit quantities are read. This will SEGV, but |
| // the compiler is free to choose the order. As a result, the address is |
| // either 0x4, 0xc or 0x14. The pc is still in main() because it has not |
| // actually made the call when the faulting access occurs. |
| // CHECK: {{AddressSanitizer: (SEGV|access-violation).*(address|pc) 0x0*[4c]}} |
| return 0; |
| } |
