1/* 2 * Copyright (c) 1997, 2016, 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 */ 24 25#include "precompiled.hpp" 26#include "interpreter/bytecodeInterpreter.hpp" 27#include "interpreter/cppInterpreterGenerator.hpp" 28#include "interpreter/interpreter.hpp" 29#include "interpreter/interpreterRuntime.hpp" 30#include "memory/resourceArea.hpp" 31#include "runtime/timerTrace.hpp" 32 33#ifdef CC_INTERP 34 35#ifdef ZERO 36# include "entry_zero.hpp" 37#else 38#error "Only Zero CppInterpreter is supported" 39#endif 40 41void CppInterpreter::initialize() { 42 if (_code != NULL) return; 43 AbstractInterpreter::initialize(); 44 45 // generate interpreter 46 { ResourceMark rm; 47 TraceTime timer("Interpreter generation", TRACETIME_LOG(Info, startuptime)); 48 int code_size = InterpreterCodeSize; 49 NOT_PRODUCT(code_size *= 4;) // debug uses extra interpreter code space 50 _code = new StubQueue(new InterpreterCodeletInterface, code_size, NULL, 51 "Interpreter"); 52 CppInterpreterGenerator g(_code); 53 if (PrintInterpreter) print(); 54 } 55 56 // Allow c++ interpreter to do one initialization now that switches are set, etc. 57 BytecodeInterpreter start_msg(BytecodeInterpreter::initialize); 58 if (JvmtiExport::can_post_interpreter_events()) 59 BytecodeInterpreter::runWithChecks(&start_msg); 60 else 61 BytecodeInterpreter::run(&start_msg); 62} 63 64 65void CppInterpreter::invoke_method(Method* method, address entry_point, TRAPS) { 66 ((ZeroEntry *) entry_point)->invoke(method, THREAD); 67} 68 69void CppInterpreter::invoke_osr(Method* method, 70 address entry_point, 71 address osr_buf, 72 TRAPS) { 73 ((ZeroEntry *) entry_point)->invoke_osr(method, osr_buf, THREAD); 74} 75 76 77 78InterpreterCodelet* CppInterpreter::codelet_containing(address pc) { 79 // FIXME: I'm pretty sure _code is null and this is never called, which is why it's copied. 80 return (InterpreterCodelet*)_code->stub_containing(pc); 81} 82 83#endif // CC_INTERP 84