1 /* 2 * Copyright (c) 2011, 2015, 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 31 class JVMCICompiler : public AbstractCompiler { 32 private: 33 bool _bootstrapping; 34 35 /** 36 * Number of methods compiled by JVMCI. This is not synchronized 37 * so may not be 100% accurate. 38 */ 39 volatile int _methodsCompiled; 40 41 static JVMCICompiler* _instance; 42 43 static elapsedTimer _codeInstallTimer; 44 45 public: 46 JVMCICompiler(); 47 48 static JVMCICompiler* instance(TRAPS) { 49 if (!EnableJVMCI) { 50 THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "JVMCI is not enabled") 51 } 52 return _instance; 53 } 54 55 virtual const char* name() { return "JVMCI"; } 56 57 virtual bool supports_native() { return true; } 58 virtual bool supports_osr () { return true; } 59 60 bool is_jvmci() { return true; } 61 bool is_c1 () { return false; } 62 bool is_c2 () { return false; } 63 64 bool needs_stubs () { return false; } 65 66 // Initialization 67 virtual void initialize(); 68 69 void bootstrap(); 70 71 // Compilation entry point for methods 72 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci, DirectiveSet* directive); 73 74 void compile_method(methodHandle target, int entry_bci, JVMCIEnv* env); 75 76 // Print compilation timers and statistics 77 virtual void print_timers(); 78 79 // Print compilation statistics 80 void reset_compilation_stats(); 81 82 // Print compilation timers and statistics 83 static void print_compilation_timers(); 84 85 static elapsedTimer* codeInstallTimer() { return &_codeInstallTimer; } 86 }; 87 88 #endif // SHARE_VM_JVMCI_JVMCI_COMPILER_HPP