jdk8-mips64-public/hotspot: src/cpu/zero/vm/sharkFrame

     1 /*

     2  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright 2008, 2009 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  */

    26 #ifndef CPU_ZERO_VM_SHARKFRAME_ZERO_HPP

    27 #define CPU_ZERO_VM_SHARKFRAME_ZERO_HPP

    29 #include "oops/method.hpp"

    30 #include "stack_zero.hpp"

    32 // |  ...               |

    33 // +--------------------+  ------------------

    34 // | stack slot n-1     |       low addresses

    35 // |  ...               |

    36 // | stack slot 0       |

    37 // | monitor m-1        |

    38 // |  ...               |

    39 // | monitor 0          |

    40 // | oop_tmp            |

    41 // | method             |

    42 // | unextended_sp      |

    43 // | pc                 |

    44 // | frame_type         |

    45 // | next_frame         |      high addresses

    46 // +--------------------+  ------------------

    47 // |  ...               |

    49 class SharkFrame : public ZeroFrame {

    50   friend class SharkStack;

    52  private:

    53   SharkFrame() : ZeroFrame() {

    54     ShouldNotCallThis();

    55   }

    57  protected:

    58   enum Layout {

    59     pc_off = jf_header_words,

    60     unextended_sp_off,

    61     method_off,

    62     oop_tmp_off,

    63     header_words

    64   };

    66  public:

    67   address pc() const {

    68     return (address) value_of_word(pc_off);

    69   }

    71   void set_pc(address pc) const {

    72     *((address*) addr_of_word(pc_off)) = pc;

    73   }

    75   intptr_t* unextended_sp() const {

    76     return (intptr_t *) value_of_word(unextended_sp_off);

    77   }

    79   Method* method() const {

    80     return (Method*) value_of_word(method_off);

    81   }

    83  public:

    84   void identify_word(int   frame_index,

    85                      int   offset,

    86                      char* fieldbuf,

    87                      char* valuebuf,

    88                      int   buflen) const;

    89 };

    91 #endif // CPU_ZERO_VM_SHARKFRAME_ZERO_HPP

src/cpu/zero/vm/sharkFrame_zero.hpp@a9becfeecd1b