--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/os/bsd/decoder_machO.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2011, 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_BSD_VM_DECODER_MACHO_HPP
+#define OS_BSD_VM_DECODER_MACHO_HPP
+
+#ifdef __APPLE__
+
+#include "utilities/decoder.hpp"
+
+// Just a placehold for now, a real implementation should derive
+// from AbstractDecoder
+class MachODecoder : public AbstractDecoder {
+ public:
+  MachODecoder() { }
+  virtual ~MachODecoder() { }
+  virtual bool can_decode_C_frame_in_vm() const {
+    return true;
+  }
+  virtual bool demangle(const char* symbol, char* buf, int buflen);
+  virtual bool decode(address pc, char* buf, int buflen, int* offset,
+                      const void* base);
+  virtual bool decode(address pc, char* buf, int buflen, int* offset,
+                      const char* module_path, bool demangle) {
+    ShouldNotReachHere();
+    return false;
+  }
+
+ private:
+  void * mach_find_command(struct mach_header_64 * mach_base, uint32_t command_wanted);
+  char * mach_find_in_stringtable(char *strtab, uint32_t tablesize, int strx_wanted);
+};
+
+#endif
+
+#endif // OS_BSD_VM_DECODER_MACHO_HPP