--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/jvmci/jvmciRuntime.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2012, 2017, 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_RUNTIME_HPP
+#define SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP
+
+#include "interpreter/interpreter.hpp"
+#include "memory/allocation.hpp"
+#include "runtime/arguments.hpp"
+#include "runtime/deoptimization.hpp"
+
+#define JVMCI_ERROR(...)       \
+  { Exceptions::fthrow(THREAD_AND_LOCATION, vmSymbols::jdk_vm_ci_common_JVMCIError(), __VA_ARGS__); return; }
+
+#define JVMCI_ERROR_(ret, ...) \
+  { Exceptions::fthrow(THREAD_AND_LOCATION, vmSymbols::jdk_vm_ci_common_JVMCIError(), __VA_ARGS__); return ret; }
+
+#define JVMCI_ERROR_0(...)    JVMCI_ERROR_(0, __VA_ARGS__)
+#define JVMCI_ERROR_NULL(...) JVMCI_ERROR_(NULL, __VA_ARGS__)
+#define JVMCI_ERROR_OK(...)   JVMCI_ERROR_(JVMCIEnv::ok, __VA_ARGS__)
+#define CHECK_OK              CHECK_(JVMCIEnv::ok)
+
+class JVMCIRuntime: public AllStatic {
+ public:
+  // Constants describing whether JVMCI wants to be able to adjust the compilation
+  // level selected for a method by the VM compilation policy and if so, based on
+  // what information about the method being schedule for compilation.
+  enum CompLevelAdjustment {
+     none = 0,             // no adjustment
+     by_holder = 1,        // adjust based on declaring class of method
+     by_full_signature = 2 // adjust based on declaring class, name and signature of method
+  };
+
+ private:
+  static jobject _HotSpotJVMCIRuntime_instance;
+  static bool _HotSpotJVMCIRuntime_initialized;
+  static bool _well_known_classes_initialized;
+
+  static int _trivial_prefixes_count;
+  static char** _trivial_prefixes;
+
+  static CompLevelAdjustment _comp_level_adjustment;
+
+  static bool _shutdown_called;
+
+  static CompLevel adjust_comp_level_inner(const methodHandle& method, bool is_osr, CompLevel level, JavaThread* thread);
+
+ public:
+  static bool is_HotSpotJVMCIRuntime_initialized() {
+    return _HotSpotJVMCIRuntime_initialized;
+  }
+
+  /**
+   * Gets the singleton HotSpotJVMCIRuntime instance, initializing it if necessary
+   */
+  static Handle get_HotSpotJVMCIRuntime(TRAPS) {
+    initialize_JVMCI(CHECK_(Handle()));
+    return Handle(THREAD, JNIHandles::resolve_non_null(_HotSpotJVMCIRuntime_instance));
+  }
+
+  static jobject get_HotSpotJVMCIRuntime_jobject(TRAPS) {
+    initialize_JVMCI(CHECK_NULL);
+    assert(_HotSpotJVMCIRuntime_initialized, "must be");
+    return _HotSpotJVMCIRuntime_instance;
+  }
+
+  static Handle callStatic(const char* className, const char* methodName, const char* returnType, JavaCallArguments* args, TRAPS);
+
+  /**
+   * Determines if the VM is sufficiently booted to initialize JVMCI.
+   */
+  static bool can_initialize_JVMCI();
+
+  /**
+   * Trigger initialization of HotSpotJVMCIRuntime through JVMCI.getRuntime()
+   */
+  static void initialize_JVMCI(TRAPS);
+
+  /**
+   * Explicitly initialize HotSpotJVMCIRuntime itself
+   */
+  static void initialize_HotSpotJVMCIRuntime(TRAPS);
+
+  static void initialize_well_known_classes(TRAPS);
+
+  static void metadata_do(void f(Metadata*));
+
+  static void shutdown(TRAPS);
+
+  static void bootstrap_finished(TRAPS);
+
+  static bool shutdown_called() {
+    return _shutdown_called;
+  }
+
+  static bool treat_as_trivial(Method* method);
+
+  /**
+   * Lets JVMCI modify the compilation level currently selected for a method by
+   * the VM compilation policy.
+   *
+   * @param method the method being scheduled for compilation
+   * @param is_osr specifies if the compilation is an OSR compilation
+   * @param level the compilation level currently selected by the VM compilation policy
+   * @param thread the current thread
+   * @return the compilation level to use for the compilation
+   */
+  static CompLevel adjust_comp_level(const methodHandle& method, bool is_osr, CompLevel level, JavaThread* thread);
+
+  static BasicType kindToBasicType(Handle kind, TRAPS);
+
+  // The following routines are all called from compiled JVMCI code
+
+  static void new_instance(JavaThread* thread, Klass* klass);
+  static void new_array(JavaThread* thread, Klass* klass, jint length);
+  static void new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims);
+  static void dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length);
+  static void dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror);
+  static jboolean thread_is_interrupted(JavaThread* thread, oopDesc* obj, jboolean clear_interrupted);
+  static void vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3);
+  static jint identity_hash_code(JavaThread* thread, oopDesc* obj);
+  static address exception_handler_for_pc(JavaThread* thread);
+  static void monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock);
+  static void monitorexit (JavaThread* thread, oopDesc* obj, BasicLock* lock);
+  static void vm_error(JavaThread* thread, jlong where, jlong format, jlong value);
+  static oopDesc* load_and_clear_exception(JavaThread* thread);
+  static void log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3);
+  static void log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline);
+  // Print the passed in object, optionally followed by a newline.  If
+  // as_string is true and the object is a java.lang.String then it
+  // printed as a string, otherwise the type of the object is printed
+  // followed by its address.
+  static void log_object(JavaThread* thread, oopDesc* object, bool as_string, bool newline);
+  static void write_barrier_pre(JavaThread* thread, oopDesc* obj);
+  static void write_barrier_post(JavaThread* thread, void* card);
+  static jboolean validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child);
+  static void new_store_pre_barrier(JavaThread* thread);
+
+  // used to throw exceptions from compiled JVMCI code
+  static void throw_and_post_jvmti_exception(JavaThread* thread, const char* exception, const char* message);
+  // helper methods to throw exception with complex messages
+  static void throw_klass_external_name_exception(JavaThread* thread, const char* exception, Klass* klass);
+  static void throw_class_cast_exception(JavaThread* thread, const char* exception, Klass* caster_klass, Klass* target_klass);
+
+  // Forces initialization of the JVMCI runtime.
+  static void force_initialization(TRAPS);
+
+  // Test only function
+  static int test_deoptimize_call_int(JavaThread* thread, int value);
+};
+
+// Tracing macros.
+
+#define IF_TRACE_jvmci_1 if (!(JVMCITraceLevel >= 1)) ; else
+#define IF_TRACE_jvmci_2 if (!(JVMCITraceLevel >= 2)) ; else
+#define IF_TRACE_jvmci_3 if (!(JVMCITraceLevel >= 3)) ; else
+#define IF_TRACE_jvmci_4 if (!(JVMCITraceLevel >= 4)) ; else
+#define IF_TRACE_jvmci_5 if (!(JVMCITraceLevel >= 5)) ; else
+
+#define TRACE_jvmci_1 if (!(JVMCITraceLevel >= 1 && (tty->print("JVMCITrace-1: "), true))) ; else tty->print_cr
+#define TRACE_jvmci_2 if (!(JVMCITraceLevel >= 2 && (tty->print("   JVMCITrace-2: "), true))) ; else tty->print_cr
+#define TRACE_jvmci_3 if (!(JVMCITraceLevel >= 3 && (tty->print("      JVMCITrace-3: "), true))) ; else tty->print_cr
+#define TRACE_jvmci_4 if (!(JVMCITraceLevel >= 4 && (tty->print("         JVMCITrace-4: "), true))) ; else tty->print_cr
+#define TRACE_jvmci_5 if (!(JVMCITraceLevel >= 5 && (tty->print("            JVMCITrace-5: "), true))) ; else tty->print_cr
+
+#endif // SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP