--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/os/windows/windbghelp.hpp Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 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.
+ *
+ */
+
+#ifndef OS_WINDOWS_VM_DBGHELPLOADER_HPP
+#define OS_WINDOWS_VM_DBGHELPLOADER_HPP
+
+#include <windows.h>
+#include <imagehlp.h>
+
+// This is a very plain wrapper for loading dbghelp.dll. It does not offer
+// any additional functionality. It takes care of locking.
+
+class outputStream;
+
+// Please note: dbghelp.dll may not have been loaded, or it may have been loaded but not
+// all functions may be available (because on the target system dbghelp.dll is of an
+// older version).
+// In all these cases we return an error from the WindowsDbgHelp::symXXXX() wrapper. We never
+// assert. It should always be safe to call these functions, but caller has to process the
+// return code (which he would have to do anyway).
+namespace WindowsDbgHelp {
+
+ DWORD symSetOptions(DWORD);
+ DWORD symGetOptions(void);
+ BOOL symInitialize(HANDLE, PCTSTR, BOOL);
+ BOOL symGetSymFromAddr64(HANDLE, DWORD64, PDWORD64, PIMAGEHLP_SYMBOL64);
+ DWORD unDecorateSymbolName(const char*, char*, DWORD, DWORD);
+ BOOL symSetSearchPath(HANDLE, PCTSTR);
+ BOOL symGetSearchPath(HANDLE, PTSTR, int);
+ BOOL stackWalk64(DWORD MachineType,
+ HANDLE hProcess,
+ HANDLE hThread,
+ LPSTACKFRAME64 StackFrame,
+ PVOID ContextRecord);
+ PVOID symFunctionTableAccess64(HANDLE hProcess, DWORD64 AddrBase);
+ DWORD64 symGetModuleBase64(HANDLE hProcess, DWORD64 dwAddr);
+ BOOL miniDumpWriteDump(HANDLE hProcess, DWORD ProcessId, HANDLE hFile,
+ MINIDUMP_TYPE DumpType, PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
+ PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
+ PMINIDUMP_CALLBACK_INFORMATION CallbackParam);
+ BOOL symGetLineFromAddr64 (HANDLE hProcess, DWORD64 dwAddr,
+ PDWORD pdwDisplacement, PIMAGEHLP_LINE64 Line);
+
+ // Print one liner describing state (if library loaded, which functions are
+ // missing - if any, and the dbhelp API version)
+ void print_state_on(outputStream* st);
+
+};
+
+
+#endif // OS_WINDOWS_VM_DBGHELPLOADER_HPP
+