never@1445: /*
never@1445:  * Copyright 2003-2007 Sun Microsystems, Inc.  All Rights Reserved.
twisti@1513:  * Copyright 2008, 2009 Red Hat, Inc.
never@1445:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1445:  *
never@1445:  * This code is free software; you can redistribute it and/or modify it
never@1445:  * under the terms of the GNU General Public License version 2 only, as
never@1445:  * published by the Free Software Foundation.
never@1445:  *
never@1445:  * This code is distributed in the hope that it will be useful, but WITHOUT
never@1445:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1445:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
never@1445:  * version 2 for more details (a copy is included in the LICENSE file that
never@1445:  * accompanied this code).
never@1445:  *
never@1445:  * You should have received a copy of the GNU General Public License version
never@1445:  * 2 along with this work; if not, write to the Free Software Foundation,
never@1445:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1445:  *
never@1445:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
never@1445:  * CA 95054 USA or visit www.sun.com if you need additional information or
never@1445:  * have any questions.
never@1445:  *
never@1445:  */
never@1445: 
never@1445: // |  ...               |
never@1445: // +--------------------+  ------------------
never@1445: // | stack slot n-1     |       low addresses
never@1445: // |  ...               |
never@1445: // | stack slot 0       |
never@1445: // | monitor m-1        |
never@1445: // |  ...               |
never@1445: // | monitor 0          |
never@1445: // | oop_tmp            |
never@1445: // | method             |
never@1445: // | unextended_sp      |
never@1445: // | pc                 |
never@1445: // | frame_type         |
never@1445: // | next_frame         |      high addresses
never@1445: // +--------------------+  ------------------
never@1445: // |  ...               |
never@1445: 
never@1445: class SharkFrame : public ZeroFrame {
twisti@1513:   friend class SharkStack;
never@1445: 
never@1445:  private:
never@1445:   SharkFrame() : ZeroFrame() {
never@1445:     ShouldNotCallThis();
never@1445:   }
never@1445: 
never@1445:  protected:
never@1445:   enum Layout {
never@1445:     pc_off = jf_header_words,
never@1445:     unextended_sp_off,
never@1445:     method_off,
never@1445:     oop_tmp_off,
never@1445:     header_words
never@1445:   };
never@1445: 
never@1445:  public:
never@1445:   address pc() const {
never@1445:     return (address) value_of_word(pc_off);
never@1445:   }
never@1445: 
never@1445:   intptr_t* unextended_sp() const {
never@1445:     return (intptr_t *) value_of_word(unextended_sp_off);
never@1445:   }
never@1445: 
never@1445:   methodOop method() const {
never@1445:     return (methodOop) value_of_word(method_off);
never@1445:   }
never@1445: 
never@1445:  public:
never@1445:   void identify_word(int   frame_index,
never@1445:                      int   offset,
never@1445:                      char* fieldbuf,
never@1445:                      char* valuebuf,
never@1445:                      int   buflen) const;
never@1445: };