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8016697: Use stubs to implement safefetch

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Implement Safefetch as stub routines. This reduces compiler and os dependencies.

Reviewed-by: twisti, kvn
This commit is contained in:
Goetz Lindenmaier 2013-06-20 15:02:05 +02:00
parent b5efe058f7
commit ef69ce852c
21 changed files with 231 additions and 304 deletions
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5
hotspot/src/os/windows/vm/os_windows.cpp
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@ -2317,6 +2317,11 @@ LONG WINAPI topLevelExceptionFilter(struct _EXCEPTION_POINTERS* exceptionInfo) {
#endif
Thread* t = ThreadLocalStorage::get_thread_slow(); // slow & steady
// Handle SafeFetch32 and SafeFetchN exceptions.
if (StubRoutines::is_safefetch_fault(pc)) {
return Handle_Exception(exceptionInfo, StubRoutines::continuation_for_safefetch_fault(pc));
}
#ifndef _WIN64
// Execution protection violation - win32 running on AMD64 only
// Handled first to avoid misdiagnosis as a "normal" access violation;