src/compiler-rt/test/asan/TestCases/Linux/static_tls.cc

   1 // REQUIRES: asan-64-bits
   2 // Regression test: __tls_get_addr interceptor must recognize static TLS.
   3 //
   4 // RUN: %clangxx_asan -DSHARED %s -shared -o %t-so.so -fPIC
   5 // RUN: %clangxx_asan %s -ldl -pthread -o %t %t-so.so
   6 // RUN: %env_asan_opts=verbosity=2 %run %t 2>&1 | FileCheck %s
   7
   8 // CHECK: before
   9 // CHECK: __tls_get_addr: static tls
  10 // CHECK: after
  11
  12 // XFAIL: powerpc64, aarch64
  13
  14 #ifndef SHARED
  15 #include <stdio.h>
  16
  17 unsigned *f();
  18 int main(int argc, char *argv[]) {
  19   fprintf(stderr, "before\n");
  20   f();
  21   fprintf(stderr, "after\n");
  22   return 0;
  23 }
  24 #else  // SHARED
  25 static __thread unsigned ThreadLocal;
  26 unsigned *f() {
  27   return &ThreadLocal;
  28 }
  29 #endif