| // MSAN re-execs on unlimited stacks. We use that to verify ReExec() uses the |
| // right path. |
| // RUN: %clangxx_msan -O0 %s -o %t && ulimit -s unlimited && %run %t | FileCheck %s |
| |
| #include <stdio.h> |
| |
| #if !defined(__GLIBC_PREREQ) |
| #define __GLIBC_PREREQ(a, b) 0 |
| #endif |
| |
| #if __GLIBC_PREREQ(2, 16) |
| #include <sys/auxv.h> |
| #endif |
| |
| int main() { |
| #if __GLIBC_PREREQ(2, 16) |
| // Make sure AT_EXECFN didn't get overwritten by re-exec. |
| puts(reinterpret_cast<const char *>(getauxval(AT_EXECFN))); |
| #else |
| puts("No getauxval"); |
| #endif |
| // CHECK-NOT: /proc/self/exe |
| } |
