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

     1 /*

     2  * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright 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  */

    26 #ifndef CPU_ZERO_VM_ENTRY_ZERO_HPP

    27 #define CPU_ZERO_VM_ENTRY_ZERO_HPP

    29 class ZeroEntry {

    30  public:

    31   ZeroEntry() {

    32     ShouldNotCallThis();

    33   }

    35  private:

    36   address _entry_point;

    38  public:

    39   address entry_point() const {

    40     return _entry_point;

    41   }

    42   void set_entry_point(address entry_point) {

    43     _entry_point = entry_point;

    44   }

    46  private:

    47   typedef int (*NormalEntryFunc)(Method* method,

    48                                  intptr_t  base_pc,

    49                                  TRAPS);

    50   typedef int (*OSREntryFunc)(Method* method,

    51                               address   osr_buf,

    52                               intptr_t  base_pc,

    53                               TRAPS);

    55  public:

    56   void invoke(Method* method, TRAPS) const {

    57     maybe_deoptimize(

    58       ((NormalEntryFunc) entry_point())(method, (intptr_t) this, THREAD),

    59       THREAD);

    60   }

    61   void invoke_osr(Method* method, address osr_buf, TRAPS) const {

    62     maybe_deoptimize(

    63       ((OSREntryFunc) entry_point())(method, osr_buf, (intptr_t) this, THREAD),

    64       THREAD);

    65   }

    67  private:

    68   static void maybe_deoptimize(int deoptimized_frames, TRAPS) {

    69     if (deoptimized_frames)

    70       CppInterpreter::main_loop(deoptimized_frames - 1, THREAD);

    71   }

    73  public:

    74   static ByteSize entry_point_offset() {

    75     return byte_offset_of(ZeroEntry, _entry_point);

    76   }

    77 };

    79 #endif // CPU_ZERO_VM_ENTRY_ZERO_HPP

src/cpu/zero/vm/entry_zero.hpp@e16282db4946