src/hotspot/os/windows/symbolengine.hpp
changeset 47666 19219ec3f176
child 53244 9807daeb47c4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/os/windows/symbolengine.hpp	Wed Sep 20 15:12:11 2017 +0200
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, SAP SE. 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_SYMBOLENGINE_HPP
+#define OS_WINDOWS_VM_SYMBOLENGINE_HPP
+
+class outputStream;
+
+namespace SymbolEngine {
+
+  bool decode(const void* addr, char* buf, int buflen, int* offset, bool do_demangle);
+
+  bool demangle(const char* symbol, char *buf, int buflen);
+
+  // given an address, attempts to retrieve the source file and line number.
+  bool get_source_info(const void* addr, char* filename, size_t filename_len,
+                       int* line_no);
+
+  // Scan the loaded modules. Add all directories for all loaded modules
+  //  to the current search path, unless they are already part of the search
+  //    path. Prior search path content is preserved, directories are only
+  //   added, never removed.
+  // If p_search_path_was_updated is not NULL, points to a bool which, upon
+  //   successful return from the function, contains true if the search path
+  //   was updated, false if no update was needed because no new DLLs were
+  //   loaded or unloaded.
+  // Returns true for success, false for error.
+  bool recalc_search_path(bool* p_search_path_was_updated = NULL);
+
+  // 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);
+
+  // Call at DLL_PROCESS_ATTACH.
+  void pre_initialize();
+
+};
+
+#endif // #ifndef OS_WINDOWS_VM_SYMBOLENGINE_HPP
+
+