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8221175: Fix bad function case for controlled JVM crash on PPC64 big-endian

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Reviewed-by: chrisphi, stuefe, goetz
This commit is contained in:
Gustavo Romero 2019-03-20 16:43:49 -04:00
parent db264da0fd
commit 93e77e1767
1 changed files with 10 additions and 1 deletions
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11
src/hotspot/share/utilities/vmError.cpp
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@ -1725,7 +1725,16 @@ void VMError::controlled_crash(int how) {
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.