8136421: JEP 243: Java-Level JVM Compiler Interface

Reviewed-by: ihse, alanb, roland, coleenp, iveresov, kvn, kbarrett

hotspot/src/share/vm/jvmci/jvmciCompiler.hpp

@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#ifndef SHARE_VM_JVMCI_JVMCI_COMPILER_HPP
+#define SHARE_VM_JVMCI_JVMCI_COMPILER_HPP
+
+#include "compiler/abstractCompiler.hpp"
+#include "jvmci/jvmciEnv.hpp"
+#include "utilities/exceptions.hpp"
+
+class JVMCICompiler : public AbstractCompiler {
+private:
+  bool _bootstrapping;
+
+  /**
+   * Number of methods compiled by JVMCI. This is not synchronized
+   * so may not be 100% accurate.
+   */
+  volatile int _methodsCompiled;
+
+  static JVMCICompiler* _instance;
+
+  static elapsedTimer _codeInstallTimer;
+
+public:
+  JVMCICompiler();
+
+  static JVMCICompiler* instance(TRAPS) {
+    if (!EnableJVMCI) {
+      THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "JVMCI is not enabled")
+    }
+    return _instance;
+  }
+
+  virtual const char* name() { return "JVMCI"; }
+
+  virtual bool supports_native()                 { return true; }
+  virtual bool supports_osr   ()                 { return true; }
+
+  bool is_jvmci()                                { return true; }
+  bool is_c1   ()                                { return false; }
+  bool is_c2   ()                                { return false; }
+
+  bool needs_stubs            () { return false; }
+
+  // Initialization
+  virtual void initialize();
+
+  void bootstrap();
+
+  // Compilation entry point for methods
+  virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);
+
+  void compile_method(methodHandle target, int entry_bci, JVMCIEnv* env);
+
+  // Print compilation timers and statistics
+  virtual void print_timers();
+
+  // Print compilation statistics
+  void reset_compilation_stats();
+
+  // Print compilation timers and statistics
+  static void print_compilation_timers();
+
+  static elapsedTimer* codeInstallTimer() { return &_codeInstallTimer; }
+};
+
+#endif // SHARE_VM_JVMCI_JVMCI_COMPILER_HPP