1 /* 2 * Copyright (c) 2011, 2019, 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_JVMCI_JVMCICOMPILER_HPP 25 #define SHARE_JVMCI_JVMCICOMPILER_HPP 26 27 #include "compiler/abstractCompiler.hpp" 28 #include "jvmci/jvmciEnv.hpp" 29 #include "utilities/exceptions.hpp" 30 31 class JVMCICompiler : public AbstractCompiler { 32 private: 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 55 public: 56 JVMCICompiler(); 57 58 static JVMCICompiler* instance(bool require_non_null, TRAPS) { 59 if (!EnableJVMCI) { 60 THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "JVMCI is not enabled") 61 } 62 if (_instance == NULL && require_non_null) { 63 THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "The JVMCI compiler instance has not been created"); 64 } 65 return _instance; 66 } 67 68 virtual const char* name() { return "JVMCI"; } 69 70 virtual bool supports_native() { return true; } 71 virtual bool supports_osr () { return true; } 72 73 bool is_jvmci() { return true; } 74 bool is_c1 () { return false; } 75 bool is_c2 () { return false; } 76 77 bool needs_stubs () { return false; } 78 79 // Initialization 80 virtual void initialize(); 81 82 /** 83 * Initialize the compile queue with the methods in java.lang.Object and 84 * then wait until the queue is empty. 85 */ 86 void bootstrap(TRAPS); 87 88 bool is_bootstrapping() const { return _bootstrapping; } 89 90 // Compilation entry point for methods 91 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci, DirectiveSet* directive); 92 93 void compile_method(const methodHandle& target, int entry_bci, JVMCIEnv* env); 94 95 // Print compilation timers and statistics 96 virtual void print_timers(); 97 98 /** 99 * Gets the number of methods that have been successfully compiled by 100 * a call to JVMCICompiler::compile_method(). 101 */ 102 int methods_compiled() { return _methods_compiled; } 103 104 // Print compilation timers and statistics 105 static void print_compilation_timers(); 106 107 static elapsedTimer* codeInstallTimer() { return &_codeInstallTimer; } 108 }; 109 110 #endif // SHARE_JVMCI_JVMCICOMPILER_HPP