| // RUN: %clang_cl_asan -O0 %s -Fe%t |
| // RUN: %run %t | FileCheck %s |
| |
| // This is a test for http://code.google.com/p/address-sanitizer/issues/detail?id=305 |
| |
| #include <stdio.h> |
| |
| typedef void (*FPTR)(); |
| |
| // __xi_a and __xi_z are defined in VC/crt/src/crt0dat.c |
| // and are located in .CRT$XIA and .CRT$XIZ respectively. |
| extern "C" FPTR __xi_a, __xi_z; |
| |
| int main() { |
| unsigned count = 0; |
| |
| // Iterate through CRT initializers. |
| for (FPTR* it = &__xi_a; it < &__xi_z; ++it) { |
| if (*it) |
| count++; |
| } |
| |
| printf("Number of nonzero CRT initializers: %u\n", count); |
| // CHECK: Number of nonzero CRT initializers |
| } |
| |
| void call_me_maybe() {} |
| |
| #pragma data_seg(".CRT$XIB") |
| // Add an initializer that shouldn't get its own redzone. |
| FPTR run_on_startup = call_me_maybe; |
