forked from OSchip/llvm-project
24 lines
553 B
C++
24 lines
553 B
C++
// 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
|
|
}
|