src/cpu/zero/vm/entryFrame_zero.hpp

Wed, 22 Jan 2014 17:42:23 -0800

author
kvn
date
Wed, 22 Jan 2014 17:42:23 -0800
changeset 6503
a9becfeecd1b
parent 6198
55fb97c4c58d
child 6876
710a3c8b516e
permissions
-rw-r--r--

Merge

     1 /*
     2  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
     3  * Copyright 2008, 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  */
    26 #ifndef CPU_ZERO_VM_ENTRYFRAME_ZERO_HPP
    27 #define CPU_ZERO_VM_ENTRYFRAME_ZERO_HPP
    29 #include "runtime/javaCalls.hpp"
    30 #include "stack_zero.hpp"
    32 // |  ...               |
    33 // +--------------------+  ------------------
    34 // | parameter n-1      |       low addresses
    35 // |  ...               |
    36 // | parameter 0        |
    37 // | call_wrapper       |
    38 // | frame_type         |
    39 // | next_frame         |      high addresses
    40 // +--------------------+  ------------------
    41 // |  ...               |
    43 class EntryFrame : public ZeroFrame {
    44  private:
    45   EntryFrame() : ZeroFrame() {
    46     ShouldNotCallThis();
    47   }
    49  protected:
    50   enum Layout {
    51     call_wrapper_off = jf_header_words,
    52     header_words
    53   };
    55  public:
    56   static EntryFrame *build(const intptr_t*  parameters,
    57                            int              parameter_words,
    58                            JavaCallWrapper* call_wrapper,
    59                            TRAPS);
    60  public:
    61   JavaCallWrapper **call_wrapper() const {
    62     return (JavaCallWrapper **) addr_of_word(call_wrapper_off);
    63   }
    65  public:
    66   void identify_word(int   frame_index,
    67                      int   offset,
    68                      char* fieldbuf,
    69                      char* valuebuf,
    70                      int   buflen) const;
    71 };
    73 #endif // CPU_ZERO_VM_ENTRYFRAME_ZERO_HPP

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