8221175: Fix bad function case for controlled JVM crash on PPC64 big-endian
Reviewed-by: chrisphi, stuefe, goetz
--- a/src/hotspot/share/utilities/vmError.cpp Wed Mar 20 16:59:35 2019 -0400
+++ b/src/hotspot/share/utilities/vmError.cpp Wed Mar 20 16:43:49 2019 -0400
@@ -1725,7 +1725,16 @@
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
+ const void (*funcPtr)(void); // bad function pointer
+
+#if defined(PPC64) && !defined(ABI_ELFv2)
+ struct FunctionDescriptor functionDescriptor;
+
+ functionDescriptor.set_entry((address) 0xF);
+ funcPtr = (const void(*)()) &functionDescriptor;
+#else
+ funcPtr = (const void(*)()) 0xF;
+#endif
// Keep this in sync with test/hotspot/jtreg/runtime/ErrorHandling/ErrorHandler.java
// which tests cases 1 thru 13.