src/share/vm/runtime/stubRoutines.cpp

@  rev 7996 : 8075533: Zero JVM segfaults for -version after JDK-8074552
|

*** 211,231 ****
--- 211,234 ----
    }
  }
  
  // simple test for SafeFetch32
  static void test_safefetch32() {
+   if (CanUseSafeFetch32()) {
      int dummy = 17;
      int* const p_invalid = (int*) get_segfault_address();
      int* const p_valid = &dummy;
      int result_invalid = SafeFetch32(p_invalid, 0xABC);
      assert(result_invalid == 0xABC, "SafeFetch32 error");
      int result_valid = SafeFetch32(p_valid, 0xABC);
      assert(result_valid == 17, "SafeFetch32 error");
+   }
  }
  
  // simple test for SafeFetchN
  static void test_safefetchN() {
+   if (CanUseSafeFetchN()) {
  #ifdef _LP64
      const intptr_t v1 = UCONST64(0xABCD00000000ABCD);
      const intptr_t v2 = UCONST64(0xDEFD00000000DEFD);
  #else
      const intptr_t v1 = 0xABCDABCD;
*** 236,245 ****
--- 239,249 ----
      intptr_t* const p_valid = &dummy;
      intptr_t result_invalid = SafeFetchN(p_invalid, v2);
      assert(result_invalid == v2, "SafeFetchN error");
      intptr_t result_valid = SafeFetchN(p_valid, v2);
      assert(result_valid == v1, "SafeFetchN error");
+   }
  }
  #endif
  
  void StubRoutines::initialize2() {
    if (_code2 == NULL) {