1/* 2 * Copyright (c) 2011, 2017, 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#ifndef SHARE_VM_JVMCI_JVMCI_COMPILER_HPP 25#define SHARE_VM_JVMCI_JVMCI_COMPILER_HPP 26 27#include "compiler/abstractCompiler.hpp" 28#include "jvmci/jvmciEnv.hpp" 29#include "utilities/exceptions.hpp" 30 31class JVMCICompiler : public AbstractCompiler { 32private: 33 bool _bootstrapping; 34 35 /** 36 * True if we have seen a bootstrap compilation request. 37 */ 38 volatile bool _bootstrap_compilation_request_handled; 39 40 /** 41 * Number of methods successfully compiled by a call to 42 * JVMCICompiler::compile_method(). 43 */ 44 volatile int _methods_compiled; 45 46 static JVMCICompiler* _instance; 47 48 static elapsedTimer _codeInstallTimer; 49 50 /** 51 * Exits the VM due to an unexpected exception. 52 */ 53 static void exit_on_pending_exception(oop exception, const char* message); 54 55public: 56 JVMCICompiler(); 57 58 static JVMCICompiler* instance(TRAPS) { 59 if (!EnableJVMCI) { 60 THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "JVMCI is not enabled") 61 } 62 return _instance; 63 } 64 65 virtual const char* name() { return "JVMCI"; } 66 67 virtual bool supports_native() { return true; } 68 virtual bool supports_osr () { return true; } 69 70 bool is_jvmci() { return true; } 71 bool is_c1 () { return false; } 72 bool is_c2 () { return false; } 73 74 bool needs_stubs () { return false; } 75 76 // Initialization 77 virtual void initialize(); 78 79 /** 80 * Initialize the compile queue with the methods in java.lang.Object and 81 * then wait until the queue is empty. 82 */ 83 void bootstrap(TRAPS); 84 85 bool is_bootstrapping() const { return _bootstrapping; } 86 87 // Compilation entry point for methods 88 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci, DirectiveSet* directive); 89 90 void compile_method(const methodHandle& target, int entry_bci, JVMCIEnv* env); 91 92 virtual bool is_trivial(Method* method); 93 94 // Print compilation timers and statistics 95 virtual void print_timers(); 96 97 /** 98 * Gets the number of methods that have been successfully compiled by 99 * a call to JVMCICompiler::compile_method(). 100 */ 101 int methods_compiled() { return _methods_compiled; } 102 103 // Print compilation timers and statistics 104 static void print_compilation_timers(); 105 106 static elapsedTimer* codeInstallTimer() { return &_codeInstallTimer; } 107}; 108 109#endif // SHARE_VM_JVMCI_JVMCI_COMPILER_HPP 110