src/hotspot/share/utilities/vmError.cpp

rev 54181 : 8221175: Fix bad function case for controlled JVM crash on PPC64 big-endian
Reviewed-by: chrisphi, stuefe, goetz

*** 1723,1733 ****
    const size_t      num = (size_t)os::vm_page_size();
  
    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/hotspot/jtreg/runtime/ErrorHandling/ErrorHandler.java
    // which tests cases 1 thru 13.
    // Case 14 is tested by test/hotspot/jtreg/runtime/ErrorHandling/SafeFetchInErrorHandlingTest.java.
    // Case 15 is tested by test/hotspot/jtreg/runtime/ErrorHandling/SecondaryErrorTest.java.
--- 1723,1742 ----
    const size_t      num = (size_t)os::vm_page_size();
  
    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);  // 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.
    // Case 14 is tested by test/hotspot/jtreg/runtime/ErrorHandling/SafeFetchInErrorHandlingTest.java.
    // Case 15 is tested by test/hotspot/jtreg/runtime/ErrorHandling/SecondaryErrorTest.java.