--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/os_cpu/linux_ppc/vm/thread_linux_ppc.hpp	Fri Aug 02 16:46:45 2013 +0200
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2012, 2013 SAP AG. 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_CPU_LINUX_PPC_VM_THREAD_LINUX_PPC_HPP
+#define OS_CPU_LINUX_PPC_VM_THREAD_LINUX_PPC_HPP
+
+ private:
+
+  void pd_initialize() {
+    _anchor.clear();
+    _last_interpreter_fp = NULL;
+  }
+
+  // The `last' frame is the youngest Java frame on the thread's stack.
+  frame pd_last_frame() {
+    assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
+
+    intptr_t* sp = last_Java_sp();
+    address pc = _anchor.last_Java_pc();
+
+    // Last_Java_pc ist not set, if we come here from compiled code.
+    if (pc == NULL) {
+      pc = (address) *(sp + 2);
+    }
+
+    return frame(sp, pc);
+  }
+
+ public:
+
+  void set_base_of_stack_pointer(intptr_t* base_sp) {}
+  intptr_t* base_of_stack_pointer() { return NULL; }
+  void record_base_of_stack_pointer() {}
+
+  // These routines are only used on cpu architectures that
+  // have separate register stacks (Itanium).
+  static bool register_stack_overflow() { return false; }
+  static void enable_register_stack_guard() {}
+  static void disable_register_stack_guard() {}
+
+  bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava);
+
+ protected:
+
+  // -Xprof support
+  //
+  // In order to find the last Java fp from an async profile
+  // tick, we store the current interpreter fp in the thread.
+  // This value is only valid while we are in the C++ interpreter
+  // and profiling.
+  intptr_t *_last_interpreter_fp;
+
+ public:
+
+  static ByteSize last_interpreter_fp_offset() {
+    return byte_offset_of(JavaThread, _last_interpreter_fp);
+  }
+
+  intptr_t* last_interpreter_fp() { return _last_interpreter_fp; }
+
+#endif // OS_CPU_LINUX_PPC_VM_THREAD_LINUX_PPC_HPP