/*

 * Copyright (c) 2012, 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_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 ParseClosure : public StackObj {

  int _lineNo;

  char* _filename;

  bool _abort;

protected:

  void abort() { _abort = true; }

  void warn_and_abort(const char* message) {

    warn(message);

    abort();

  }

  void warn(const char* message) {

    warning("Error at line %d while parsing %s: %s", _lineNo, _filename == NULL ? "?" : _filename, message);

  }

 public:

  ParseClosure() : _lineNo(0), _filename(NULL), _abort(false) {}

  void parse_line(char* line) {

    _lineNo++;

    do_line(line);

  }

  virtual void do_line(char* line) = 0;

  int lineNo() { return _lineNo; }

  bool is_aborted() { return _abort; }

  void set_filename(char* path) {_filename = path; _lineNo = 0;}

};

class JVMCIRuntime: public AllStatic {

 private:

  static jobject _HotSpotJVMCIRuntime_instance;

  static bool _HotSpotJVMCIRuntime_initialized;

  static bool _well_known_classes_initialized;

  static const char* _compiler;

  static int _options_count;

  static SystemProperty** _options;

  static int _trivial_prefixes_count;

  static char** _trivial_prefixes;

  static bool _shutdown_called;

  /**

   * Instantiates a service object, calls its default constructor and returns it.

   *

   * @param name the name of a class implementing jdk.vm.ci.service.Service

   */

  static Handle create_Service(const char* name, TRAPS);

 public:

  /**

   * Parses *.properties files in jre/lib/jvmci/ and adds the properties to plist.

   */

  static void init_system_properties(SystemProperty** plist);

  /**

   * Saves the value of the "jvmci.compiler" system property for processing

   * when JVMCI is initialized.

   */

  static void save_compiler(const char* compiler);

  /**

   * Saves the value of the system properties starting with "jvmci.option." for processing

   * when JVMCI is initialized.

   *

   * @param props the head of the system property list

   */

  static void save_options(SystemProperty* props);

  /**

   * If either the PrintFlags or ShowFlags JVMCI option is present,

   * then JVMCI is initialized to show the help message.

   */

  static void maybe_print_flags(TRAPS);

  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(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);

  /**

   * 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 bool shutdown_called() {

    return _shutdown_called;

  }

  static bool treat_as_trivial(Method* method);

  static void parse_lines(char* path, ParseClosure* closure, bool warnStatFailure);

  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 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);

  // 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);

  // 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