1 /*
   2  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2007, 2008, 2009, 2010 Red Hat, Inc.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef CPU_ZERO_VM_FRAME_ZERO_HPP
  27 #define CPU_ZERO_VM_FRAME_ZERO_HPP
  28 
  29 #include "runtime/synchronizer.hpp"
  30 
  31 // A frame represents a physical stack frame on the Zero stack.
  32 
  33  public:
  34   enum {
  35     pc_return_offset = 0
  36   };
  37 
  38   // Constructor
  39  public:
  40   frame(ZeroFrame* zeroframe, intptr_t* sp);
  41 
  42  private:
  43   ZeroFrame* _zeroframe;
  44 
  45  public:
  46   const ZeroFrame *zeroframe() const {
  47     return _zeroframe;
  48   }
  49 
  50   intptr_t* fp() const {
  51     return (intptr_t *) zeroframe();
  52   }
  53 
  54 #ifdef CC_INTERP
  55   inline interpreterState get_interpreterState() const;
  56 #endif // CC_INTERP
  57 
  58  public:
  59   const EntryFrame *zero_entryframe() const {
  60     return zeroframe()->as_entry_frame();
  61   }
  62   const InterpreterFrame *zero_interpreterframe() const {
  63     return zeroframe()->as_interpreter_frame();
  64   }
  65   const SharkFrame *zero_sharkframe() const {
  66     return zeroframe()->as_shark_frame();
  67   }
  68 
  69  public:
  70   bool is_fake_stub_frame() const;
  71 
  72  public:
  73   frame sender_for_nonentry_frame(RegisterMap* map) const;
  74 
  75  public:
  76   void zero_print_on_error(int           index,
  77                            outputStream* st,
  78                            char*         buf,
  79                            int           buflen) const;
  80 
  81 #endif // CPU_ZERO_VM_FRAME_ZERO_HPP