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 #include "utilities/top.hpp"
  31 
  32 // A frame represents a physical stack frame on the Zero stack.
  33 
  34  public:
  35   enum {
  36     pc_return_offset = 0
  37   };
  38 
  39   // Constructor
  40  public:
  41   frame(ZeroFrame* zeroframe, intptr_t* sp);
  42 
  43  private:
  44   ZeroFrame* _zeroframe;
  45 
  46  public:
  47   const ZeroFrame *zeroframe() const {
  48     return _zeroframe;
  49   }
  50 
  51   intptr_t* fp() const {
  52     return (intptr_t *) zeroframe();
  53   }
  54 
  55 #ifdef CC_INTERP
  56   inline interpreterState get_interpreterState() const;
  57 #endif // CC_INTERP
  58 
  59  public:
  60   const EntryFrame *zero_entryframe() const {
  61     return zeroframe()->as_entry_frame();
  62   }
  63   const InterpreterFrame *zero_interpreterframe() const {
  64     return zeroframe()->as_interpreter_frame();
  65   }
  66   const SharkFrame *zero_sharkframe() const {
  67     return zeroframe()->as_shark_frame();
  68   }
  69 
  70  public:
  71   bool is_fake_stub_frame() const;
  72 
  73  public:
  74   frame sender_for_nonentry_frame(RegisterMap* map) const;
  75 
  76  public:
  77   void zero_print_on_error(int           index,
  78                            outputStream* st,
  79                            char*         buf,
  80                            int           buflen) const;
  81 
  82 #endif // CPU_ZERO_VM_FRAME_ZERO_HPP