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