Mercurial > jdk8-mips64-public > hotspot / file revision

 /*

  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.

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

  *

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

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

  * published by the Free Software Foundation.

  *

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

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

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

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

  * accompanied this code).

  *

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

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

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

  *

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

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

  * questions.

  *

  */

 #include "precompiled.hpp"

 #include "interpreter/bytecodeInterpreter.hpp"

 #include "interpreter/interpreter.hpp"

 #include "interpreter/interpreterGenerator.hpp"

 #include "interpreter/interpreterRuntime.hpp"

 #ifdef CC_INTERP

 # define __ _masm->

 void CppInterpreter::initialize() {

   if (_code != NULL) return;

   AbstractInterpreter::initialize();

   // generate interpreter

   { ResourceMark rm;

     TraceTime timer("Interpreter generation", TraceStartupTime);

     int code_size = InterpreterCodeSize;

     NOT_PRODUCT(code_size *= 4;)  // debug uses extra interpreter code space

     _code = new StubQueue(new InterpreterCodeletInterface, code_size, NULL,

                           "Interpreter");

     InterpreterGenerator g(_code);

     if (PrintInterpreter) print();

   }

   // Allow c++ interpreter to do one initialization now that switches are set, etc.

   BytecodeInterpreter start_msg(BytecodeInterpreter::initialize);

   if (JvmtiExport::can_post_interpreter_events())

     BytecodeInterpreter::runWithChecks(&start_msg);

   else

     BytecodeInterpreter::run(&start_msg);

 }

 address    CppInterpreter::_tosca_to_stack         [AbstractInterpreter::number_of_result_handlers];

 address    CppInterpreter::_stack_to_stack         [AbstractInterpreter::number_of_result_handlers];

 address    CppInterpreter::_stack_to_native_abi    [AbstractInterpreter::number_of_result_handlers];

 CppInterpreterGenerator::CppInterpreterGenerator(StubQueue* _code): AbstractInterpreterGenerator(_code) {

 }

 static const BasicType types[Interpreter::number_of_result_handlers] = {

   T_BOOLEAN,

   T_CHAR   ,

   T_BYTE   ,

   T_SHORT  ,

   T_INT    ,

   T_LONG   ,

   T_VOID   ,

   T_FLOAT  ,

   T_DOUBLE ,

   T_OBJECT

 };

 void CppInterpreterGenerator::generate_all() {

   AbstractInterpreterGenerator::generate_all();

   { CodeletMark cm(_masm, "result handlers for native calls");

     // The various result converter stublets.

     int is_generated[Interpreter::number_of_result_handlers];

     memset(is_generated, 0, sizeof(is_generated));

     int _tosca_to_stack_is_generated[Interpreter::number_of_result_handlers];

     int _stack_to_stack_is_generated[Interpreter::number_of_result_handlers];

     int _stack_to_native_abi_is_generated[Interpreter::number_of_result_handlers];

     memset(_tosca_to_stack_is_generated, 0, sizeof(_tosca_to_stack_is_generated));

     memset(_stack_to_stack_is_generated, 0, sizeof(_stack_to_stack_is_generated));

     memset(_stack_to_native_abi_is_generated, 0, sizeof(_stack_to_native_abi_is_generated));

     for (int i = 0; i < Interpreter::number_of_result_handlers; i++) {

       BasicType type = types[i];

       if (!is_generated[Interpreter::BasicType_as_index(type)]++) {

         Interpreter::_native_abi_to_tosca[Interpreter::BasicType_as_index(type)] = generate_result_handler_for(type);

       }

       if (!_tosca_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) {

         Interpreter::_tosca_to_stack[Interpreter::BasicType_as_index(type)] = generate_tosca_to_stack_converter(type);

       }

       if (!_stack_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) {

         Interpreter::_stack_to_stack[Interpreter::BasicType_as_index(type)] = generate_stack_to_stack_converter(type);

       }

       if (!_stack_to_native_abi_is_generated[Interpreter::BasicType_as_index(type)]++) {

         Interpreter::_stack_to_native_abi[Interpreter::BasicType_as_index(type)] = generate_stack_to_native_abi_converter(type);

       }

     }

   }

 #define method_entry(kind) Interpreter::_entry_table[Interpreter::kind] = generate_method_entry(Interpreter::kind)

   { CodeletMark cm(_masm, "(kind = frame_manager)");

     // all non-native method kinds

     method_entry(zerolocals);

     method_entry(zerolocals_synchronized);

     method_entry(empty);

     method_entry(accessor);

     method_entry(abstract);

     method_entry(java_lang_math_sin   );

     method_entry(java_lang_math_cos   );

     method_entry(java_lang_math_tan   );

     method_entry(java_lang_math_abs   );

     method_entry(java_lang_math_sqrt  );

     method_entry(java_lang_math_log   );

     method_entry(java_lang_math_log10 );

     method_entry(java_lang_math_pow );

     method_entry(java_lang_math_exp );

     method_entry(java_lang_ref_reference_get);

     initialize_method_handle_entries();

     Interpreter::_native_entry_begin = Interpreter::code()->code_end();

     method_entry(native);

     method_entry(native_synchronized);

     Interpreter::_native_entry_end = Interpreter::code()->code_end();

   }

 #undef method_entry

 }

 #endif // CC_INTERP