Mercurial > hg > truffle
diff src/share/vm/interpreter/cppInterpreter.cpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | e5b0439ef4ae |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/interpreter/cppInterpreter.cpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,135 @@ +/* + * Copyright 1997-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +#include "incls/_precompiled.incl" +#include "incls/_cppInterpreter.cpp.incl" + +#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 ); + 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