--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/jvmci/jvmciRuntime.hpp	Thu May 28 15:36:48 2015 +0200
@@ -0,0 +1,292 @@
+/*
+ * Copyright (c) 2012, 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/deoptimization.hpp"
+
+class JVMCIRuntime: public CHeapObj<mtCompiler> {
+ private:
+
+  static jobject _HotSpotJVMCIRuntime_instance;
+  static bool _HotSpotJVMCIRuntime_initialized;
+  static const char* _generated_sources_sha1;
+
+  static bool _shutdown_called;
+
+  /**
+   * Reads the OptionValue object from a specified static field.
+   *
+   * @throws LinkageError if the field could not be resolved
+   */
+  static Handle get_OptionValue(const char* declaringClass, const char* fieldName, const char* fieldSig, TRAPS);
+
+  /**
+   * Parses the string form of a numeric, float or double option into a jlong (using raw bits for floats/doubles).
+   *
+   * @param spec 'i', 'f' or 'd' (see HotSpotOptions.setOption())
+   * @param name option name
+   * @param name_len length of option name
+   * @param value string value to parse
+   * @throws InternalError if value could not be parsed according to spec
+   */
+  static jlong parse_primitive_option_value(char spec, const char* name, size_t name_len, const char* value, TRAPS);
+
+  /**
+   * Loads default option value overrides from a <jre_home>/lib/jvmci.options if it exists. Each
+   * line in this file must have the format of a JVMCI command line option without the
+   * leading "-G:" prefix. These option values are set prior to processing of any JVMCI
+   * options present on the command line.
+   */
+  static void parse_jvmci_options_file(KlassHandle hotSpotOptionsClass, TRAPS);
+
+  /**
+   * Parses a given argument and sets the denoted JVMCI option.
+   *
+   * @throws InternalError if there was a problem parsing or setting the option
+   */
+  static void parse_argument(KlassHandle hotSpotOptionsClass, char* arg, TRAPS);
+
+  /**
+   * Searches for a Boolean JVMCI option denoted by a given name and sets it value.
+   *
+   * The definition of this method is in jvmciRuntime.inline.hpp
+   * which is generated by com.oracle.jvmci.hotspot.sourcegen.GenJVMCIRuntimeInlineHpp.
+   *
+   * @param hotSpotOptionsClass the HotSpotOptions klass or NULL if only checking for valid option
+   * @param name option name
+   * @param name_len length of option name
+   * @param value '+' to set the option, '-' to reset the option
+   * @returns true if the option was found
+   * @throws InternalError if there was a problem setting the option's value
+   */
+  static bool set_option_bool(KlassHandle hotSpotOptionsClass, char* name, size_t name_len, char value, TRAPS);
+
+  /**
+   * Searches for a JVMCI option denoted by a given name and sets it value.
+   *
+   * The definition of this method is in jvmciRuntime.inline.hpp
+   * which is generated by com.oracle.jvmci.hotspot.sourcegen.GenJVMCIRuntimeInlineHpp.
+   *
+   * @param hotSpotOptionsClass the HotSpotOptions klass or NULL if only checking for valid option
+   * @param name option name
+   * @param name_len length of option name
+   * @returns true if the option was found
+   * @throws InternalError if there was a problem setting the option's value
+   */
+  static bool set_option(KlassHandle hotSpotOptionsClass, char* name, size_t name_len, const char* value, TRAPS);
+
+  /**
+   * Raises an InternalError for an option that expects a value but was specified without a "=<value>" prefix.
+   */
+  static void check_required_value(const char* name, size_t name_len, const char* value, TRAPS);
+
+  /**
+   * Java call to HotSpotOptions.setOption(String name, OptionValue<?> option, char spec, String stringValue, long primitiveValue)
+   *
+   * @param name option name
+   * @param name_len length of option name
+   */
+  static void set_option_helper(KlassHandle hotSpotOptionsClass, char* name, size_t name_len, Handle option, jchar spec, Handle stringValue, jlong primitiveValue);
+
+  /**
+   * Instantiates a service object, calls its default constructor and returns it.
+   *
+   * @param name the name of a class implementing com.oracle.jvmci.api.runtime.Service
+   */
+  static Handle create_Service(const char* name, TRAPS);
+
+  /**
+   * Checks that _generated_sources_sha1 equals GeneratedSourcesSha1.value.
+   */
+  static void check_generated_sources_sha1(TRAPS);
+
+ public:
+
+  /**
+   * Ensures that the JVMCI class loader is initialized and the well known JVMCI classes are loaded.
+   */
+  static void ensure_jvmci_class_loader_is_initialized();
+
+  static void initialize_natives(JNIEnv *env, jclass c2vmClass);
+
+  static bool is_HotSpotJVMCIRuntime_initialized() { return _HotSpotJVMCIRuntime_initialized; }
+
+  /**
+   * Gets the singleton HotSpotJVMCIRuntime instance, initializing it if necessary
+   */
+  static Handle get_HotSpotJVMCIRuntime() {
+    initialize_JVMCI();
+    return Handle(JNIHandles::resolve_non_null(_HotSpotJVMCIRuntime_instance));
+  }
+
+  static jobject get_HotSpotJVMCIRuntime_jobject() {
+    initialize_JVMCI();
+    assert(_HotSpotJVMCIRuntime_initialized, "must be");
+    return _HotSpotJVMCIRuntime_instance;
+  }
+
+  static Handle callInitializer(const char* className, const char* methodName, const char* returnType);
+
+  /**
+   * Trigger initialization of HotSpotJVMCIRuntime through JVMCI.getRuntime()
+   */
+  static void initialize_JVMCI();
+
+  /**
+   * Explicitly initialize HotSpotJVMCIRuntime itself
+   */
+  static void initialize_HotSpotJVMCIRuntime();
+
+  static void shutdown();
+
+  static bool shutdown_called() {
+    return _shutdown_called;
+  }
+
+  /**
+   * Given an interface representing a JVMCI service (i.e. sub-interface of
+   * com.oracle.jvmci.api.runtime.Service), gets an array of objects, one per
+   * known implementation of the service.
+   *
+   * The definition of this method is in jvmciRuntime.inline.hpp
+   * which is generated by com.oracle.jvmci.hotspot.sourcegen.GenJVMCIRuntimeInlineHpp.
+   */
+  static Handle get_service_impls(KlassHandle serviceKlass, TRAPS);
+
+  /**
+   * Aborts the VM due to an unexpected exception.
+   */
+  static void abort_on_pending_exception(Handle exception, const char* message, bool dump_core = false);
+
+  /**
+   * Calls Throwable.printStackTrace() on a given exception.
+   */
+  static void call_printStackTrace(Handle exception, Thread* thread);
+
+#define CHECK_ABORT THREAD); \
+  if (HAS_PENDING_EXCEPTION) { \
+    char buf[256]; \
+    jio_snprintf(buf, 256, "Uncaught exception at %s:%d", __FILE__, __LINE__); \
+    JVMCIRuntime::abort_on_pending_exception(PENDING_EXCEPTION, buf); \
+    return; \
+  } \
+  (void)(0
+
+#define CHECK_ABORT_(result) THREAD); \
+  if (HAS_PENDING_EXCEPTION) { \
+    char buf[256]; \
+    jio_snprintf(buf, 256, "Uncaught exception at %s:%d", __FILE__, __LINE__); \
+    JVMCIRuntime::abort_on_pending_exception(PENDING_EXCEPTION, buf); \
+    return result; \
+  } \
+  (void)(0
+
+  /**
+   * Same as SystemDictionary::resolve_or_null but uses the JVMCI loader.
+   */
+  static Klass* resolve_or_null(Symbol* name, TRAPS);
+
+  /**
+   * Same as SystemDictionary::resolve_or_fail but uses the JVMCI loader.
+   */
+  static Klass* resolve_or_fail(Symbol* name, TRAPS);
+
+  /**
+   * Loads a given JVMCI class and aborts the VM if it fails.
+   */
+  static Klass* load_required_class(Symbol* name);
+
+  static BufferBlob* initialize_buffer_blob();
+
+  /**
+   * Checks that all JVMCI specific VM options presented by the launcher are recognized
+   * and formatted correctly. To set relevant Java fields from the option, parse_arguments()
+   * must be called. This method makes no Java calls apart from creating exception objects
+   * if there is an errors in the JVMCI options.
+   */
+  static jint check_arguments(TRAPS);
+
+  /**
+   * Parses the JVMCI specific VM options that were presented by the launcher and sets
+   * the relevants Java fields.
+   */
+  static void parse_arguments(KlassHandle hotSpotOptionsClass, TRAPS);
+
+  static BasicType kindToBasicType(jchar ch);
+
+  // 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 create_null_exception(JavaThread* thread);
+  static void create_out_of_bounds_exception(JavaThread* thread, jint index);
+  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);
+  // Note: Must be kept in sync with constants in com.oracle.jvmci.replacements.Log
+  enum {
+    LOG_OBJECT_NEWLINE = 0x01,
+    LOG_OBJECT_STRING  = 0x02,
+    LOG_OBJECT_ADDRESS = 0x04
+  };
+  static void log_object(JavaThread* thread, oopDesc* msg, jint flags);
+  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);
+
+  // Test only function
+  static int test_deoptimize_call_int(JavaThread* thread, int value);
+};
+
+// Tracing macros
+
+#define IF_TRACE_jvmci_1 if (!(TraceJVMCI >= 1)) ; else
+#define IF_TRACE_jvmci_2 if (!(TraceJVMCI >= 2)) ; else
+#define IF_TRACE_jvmci_3 if (!(TraceJVMCI >= 3)) ; else
+#define IF_TRACE_jvmci_4 if (!(TraceJVMCI >= 4)) ; else
+#define IF_TRACE_jvmci_5 if (!(TraceJVMCI >= 5)) ; else
+
+// using commas and else to keep one-instruction semantics
+
+#define TRACE_jvmci_1 if (!(TraceJVMCI >= 1 && (tty->print("TraceJVMCI-1: "), true))) ; else tty->print_cr
+#define TRACE_jvmci_2 if (!(TraceJVMCI >= 2 && (tty->print("   TraceJVMCI-2: "), true))) ; else tty->print_cr
+#define TRACE_jvmci_3 if (!(TraceJVMCI >= 3 && (tty->print("      TraceJVMCI-3: "), true))) ; else tty->print_cr
+#define TRACE_jvmci_4 if (!(TraceJVMCI >= 4 && (tty->print("         TraceJVMCI-4: "), true))) ; else tty->print_cr
+#define TRACE_jvmci_5 if (!(TraceJVMCI >= 5 && (tty->print("            TraceJVMCI-5: "), true))) ; else tty->print_cr
+
+#endif // SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP