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 * 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 static void abort_on_pending_exception(Handle exception, const char* message, bool dump_core = false); 51 52 public: 53 JVMCICompiler(); 54 55 static JVMCICompiler* instance(TRAPS) { 56 if (!EnableJVMCI) { 57 THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "JVMCI is not enabled") 58 } 59 return _instance; 60 } 61 62 virtual const char* name() { return "JVMCI"; } 63 64 virtual bool supports_native() { return true; } 65 virtual bool supports_osr () { return true; } 66 67 bool is_jvmci() { return true; } 68 bool is_c1 () { return false; } 69 bool is_c2 () { return false; } 70 71 bool needs_stubs () { return false; } 72 73 // Initialization 74 virtual void initialize(); 75 76 void bootstrap(TRAPS); 77 78 // Compilation entry point for methods 79 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci, DirectiveSet* directive); 80 81 void compile_method(const methodHandle& target, int entry_bci, JVMCIEnv* env); 82 83 virtual bool is_trivial(Method* method); 84 85 // Print compilation timers and statistics 86 virtual void print_timers(); 87 88 /** 89 * Gets the number of methods that have been successfully compiled by 90 * a call to JVMCICompiler::compile_method(). 91 */ 92 int methods_compiled() { return _methods_compiled; } 93 94 // Print compilation timers and statistics 95 static void print_compilation_timers(); 96 97 static elapsedTimer* codeInstallTimer() { return &_codeInstallTimer; } 98 }; 99 100 #endif // SHARE_VM_JVMCI_JVMCI_COMPILER_HPP