hotspot/src/os/windows/vm/interfaceSupport_windows.hpp
author zgu
Sat, 11 Dec 2010 13:20:56 -0500
changeset 7447 32c42d627f41
parent 7397 5b173b4ca846
permissions -rw-r--r--
7003748: Decode C stack frames when symbols are presented (PhoneHome project) Summary: Implemented in-process C native stack frame decoding when symbols are available. Reviewed-by: coleenp, never

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP
#define OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP

// Contains inlined functions for class InterfaceSupport

static inline void serialize_memory(JavaThread *thread) {
  // due to chained nature of SEH handlers we have to be sure
  // that our handler is always last handler before an attempt to write
  // into serialization page - it can fault if we access this page
  // right in the middle of protect/unprotect sequence by remote
  // membar logic.
  // __try/__except are very lightweight operations (only several
  // instructions not affecting control flow directly on x86)
  // so we can use it here, on very time critical path
  __try {
    os::write_memory_serialize_page(thread);
  } __except (os::win32::
              serialize_fault_filter((_EXCEPTION_POINTERS*)_exception_info()))
    {}
}

#endif // OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP