src/hotspot/os/windows/vmError_windows.cpp
changeset 47216 71c04702a3d5
parent 46689 59f0972cf342
child 48794 ea0d0781c63c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/os/windows/vmError_windows.cpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * 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).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "memory/filemap.hpp"
+#include "runtime/arguments.hpp"
+#include "runtime/os.hpp"
+#include "runtime/thread.hpp"
+#include "utilities/vmError.hpp"
+
+int VMError::get_resetted_sigflags(int sig) {
+  return -1;
+}
+
+address VMError::get_resetted_sighandler(int sig) {
+  return NULL;
+}
+
+LONG WINAPI crash_handler(struct _EXCEPTION_POINTERS* exceptionInfo) {
+  DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
+  VMError::report_and_die(NULL, exception_code, NULL, exceptionInfo->ExceptionRecord,
+                          exceptionInfo->ContextRecord);
+  return EXCEPTION_CONTINUE_SEARCH;
+}
+
+void VMError::reset_signal_handlers() {
+  SetUnhandledExceptionFilter(crash_handler);
+}
+
+// Write a hint to the stream in case siginfo relates to a segv/bus error
+// and the offending address points into CDS archive.
+void VMError::check_failing_cds_access(outputStream* st, const void* siginfo) {
+#if INCLUDE_CDS
+  if (siginfo && UseSharedSpaces) {
+    const EXCEPTION_RECORD* const er = (const EXCEPTION_RECORD*)siginfo;
+    if (er->ExceptionCode == EXCEPTION_IN_PAGE_ERROR &&
+        er->NumberParameters >= 2) {
+      const void* const fault_addr = (const void*) er->ExceptionInformation[1];
+      if (fault_addr != NULL) {
+        FileMapInfo* const mapinfo = FileMapInfo::current_info();
+        if (mapinfo->is_in_shared_space(fault_addr)) {
+          st->print("Error accessing class data sharing archive. "
+            "Mapped file inaccessible during execution, possible disk/network problem.");
+        }
+      }
+    }
+  }
+#endif
+}
+
+// Error reporting cancellation: there is no easy way to implement this on Windows, because we do
+// not have an easy way to send signals to threads (aka to cause a win32 Exception in another
+// thread). We would need something like "RaiseException(HANDLE thread)"...
+void VMError::reporting_started() {}
+void VMError::interrupt_reporting_thread() {}
+