hotspot/src/share/vm/utilities/debug.cpp
changeset 18683 a6418e038255
parent 17606 60e762eed6ad
child 24424 2658d7834c6e
--- a/hotspot/src/share/vm/utilities/debug.cpp	Thu Jul 04 04:03:28 2013 -0700
+++ b/hotspot/src/share/vm/utilities/debug.cpp	Thu Jul 04 21:10:17 2013 -0700
@@ -314,8 +314,8 @@
 #ifndef PRODUCT
 #include <signal.h>
 
-void test_error_handler(size_t test_num)
-{
+void test_error_handler() {
+  uintx test_num = ErrorHandlerTest;
   if (test_num == 0) return;
 
   // If asserts are disabled, use the corresponding guarantee instead.
@@ -327,6 +327,8 @@
 
   const char* const eol = os::line_separator();
   const char* const msg = "this message should be truncated during formatting";
+  char * const dataPtr = NULL;  // bad data pointer
+  const void (*funcPtr)(void) = (const void(*)()) 0xF;  // bad function pointer
 
   // Keep this in sync with test/runtime/6888954/vmerrors.sh.
   switch (n) {
@@ -348,11 +350,16 @@
     case  9: ShouldNotCallThis();
     case 10: ShouldNotReachHere();
     case 11: Unimplemented();
-    // This is last because it does not generate an hs_err* file on Windows.
-    case 12: os::signal_raise(SIGSEGV);
+    // There's no guarantee the bad data pointer will crash us
+    // so "break" out to the ShouldNotReachHere().
+    case 12: *dataPtr = '\0'; break;
+    // There's no guarantee the bad function pointer will crash us
+    // so "break" out to the ShouldNotReachHere().
+    case 13: (*funcPtr)(); break;
 
-    default: ShouldNotReachHere();
+    default: tty->print_cr("ERROR: %d: unexpected test_num value.", n);
   }
+  ShouldNotReachHere();
 }
 #endif // !PRODUCT