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

8229345: Memory leak due to vtable stubs not being shared on SPARC
Reviewed-by: mdoerr, dholmes, kvn

     1 /*

     2  * Copyright (c) 1998, 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 #ifndef CPU_X86_VM_INTERPRETERRT_X86_HPP

    26 #define CPU_X86_VM_INTERPRETERRT_X86_HPP

    28 #include "memory/allocation.hpp"

    30 // native method calls

    32 class SignatureHandlerGenerator: public NativeSignatureIterator {

    33  private:

    34   MacroAssembler* _masm;

    35 #ifdef AMD64

    36 #ifdef _WIN64

    37   unsigned int _num_args;

    38 #else

    39   unsigned int _num_fp_args;

    40   unsigned int _num_int_args;

    41 #endif // _WIN64

    42   int _stack_offset;

    43 #else

    44   void move(int from_offset, int to_offset);

    45   void box(int from_offset, int to_offset);

    46 #endif // AMD64

    48   void pass_int();

    49   void pass_long();

    50   void pass_float();

    51 #ifdef AMD64

    52   void pass_double();

    53 #endif // AMD64

    54   void pass_object();

    56  public:

    57   // Creation

    58   SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) {

    59     _masm = new MacroAssembler(buffer);

    60 #ifdef AMD64

    61 #ifdef _WIN64

    62     _num_args = (method->is_static() ? 1 : 0);

    63     _stack_offset = (Argument::n_int_register_parameters_c+1)* wordSize; // don't overwrite return address

    64 #else

    65     _num_int_args = (method->is_static() ? 1 : 0);

    66     _num_fp_args = 0;

    67     _stack_offset = wordSize; // don't overwrite return address

    68 #endif // _WIN64

    69 #endif // AMD64

    70   }

    72   // Code generation

    73   void generate(uint64_t fingerprint);

    75   // Code generation support

    76   static Register from();

    77   static Register to();

    78   static Register temp();

    79 };

    81 #endif // CPU_X86_VM_INTERPRETERRT_X86_HPP

src/cpu/x86/vm/interpreterRT_x86.hpp@bb1da64b0492