jdk8-mips64-public/hotspot: src/cpu/x86/vm/interpreter

6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
Reviewed-by: never

     1 /*

     2  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25  public:

    27   // Sentinel placed in the code for interpreter returns so

    28   // that i2c adapters and osr code can recognize an interpreter

    29   // return address and convert the return to a specialized

    30   // block of code to handle compiedl return values and cleaning

    31   // the fpu stack.

    32   static const int return_sentinel;

    34   static Address::ScaleFactor stackElementScale() { return Address::times_4; }

    36   // Offset from rsp (which points to the last stack element)

    37   static int expr_offset_in_bytes(int i) { return stackElementSize * i; }

    39   // Stack index relative to tos (which points at value)

    40   static int expr_index_at(int i)        { return stackElementWords * i; }

    42   // Already negated by c++ interpreter

    43   static int local_index_at(int i) {

    44     assert(i <= 0, "local direction already negated");

    45     return stackElementWords * i;

    46   }

src/cpu/x86/vm/interpreter_x86.hpp@d257356e35f0