/*

 * Copyright (c) 1999, 2013, 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_CI_CIUTILITIES_HPP

#define SHARE_VM_CI_CIUTILITIES_HPP

#include "ci/ciEnv.hpp"

#include "runtime/interfaceSupport.hpp"

// The following routines and definitions are used internally in the

// compiler interface.

// Add a ci native entry wrapper?

// Bring the compilation thread into the VM state.

#define VM_ENTRY_MARK                       \

  CompilerThread* thread=CompilerThread::current(); \

  ThreadInVMfromNative __tiv(thread);       \

  ResetNoHandleMark rnhm;                   \

  HandleMarkCleaner __hm(thread);           \

  Thread* THREAD = thread;                  \

  debug_only(VMNativeEntryWrapper __vew;)

// Bring the compilation thread into the VM state.  No handle mark.

#define VM_QUICK_ENTRY_MARK                 \

  CompilerThread* thread=CompilerThread::current(); \

  ThreadInVMfromNative __tiv(thread);       \

/*                                          \

 * [TODO] The NoHandleMark line does nothing but declare a function prototype \

 * The NoHandkeMark constructor is NOT executed. If the ()'s are   \

 * removed, causes the NoHandleMark assert to trigger. \

 * debug_only(NoHandleMark __hm();)         \

 */                                         \

  Thread* THREAD = thread;                  \

  debug_only(VMNativeEntryWrapper __vew;)

#define EXCEPTION_CONTEXT \

  CompilerThread* thread=CompilerThread::current(); \

  Thread* THREAD = thread;

#define CURRENT_ENV                         \

  ciEnv::current()

// where current thread is THREAD

#define CURRENT_THREAD_ENV                  \

  ciEnv::current(thread)

#define IS_IN_VM                            \

  ciEnv::is_in_vm()

#define ASSERT_IN_VM                        \

  assert(IS_IN_VM, "must be in vm state");

#define GUARDED_VM_ENTRY(action)            \

  {if (IS_IN_VM) { action } else { VM_ENTRY_MARK; { action }}}

#define GUARDED_VM_QUICK_ENTRY(action)      \

  {if (IS_IN_VM) { action } else { VM_QUICK_ENTRY_MARK; { action }}}

// Redefine this later.

#define KILL_COMPILE_ON_FATAL_(result)           \

  THREAD);                                       \

  if (HAS_PENDING_EXCEPTION) {                   \

    if (PENDING_EXCEPTION->klass() ==            \

        SystemDictionary::ThreadDeath_klass()) { \

      /* Kill the compilation. */                \

      fatal("unhandled ci exception");           \

      return (result);                           \

    }                                            \

    CLEAR_PENDING_EXCEPTION;                     \

    return (result);                             \

  }                                              \

  (void)(0

#define KILL_COMPILE_ON_ANY                      \

  THREAD);                                       \

  if (HAS_PENDING_EXCEPTION) {                   \

    fatal("unhandled ci exception");             \

    CLEAR_PENDING_EXCEPTION;                     \

  }                                              \

(void)(0

inline const char* bool_to_str(bool b) {

  return ((b) ? "true" : "false");

}

const char* basictype_to_str(BasicType t);

const char  basictype_to_char(BasicType t);

#endif // SHARE_VM_CI_CIUTILITIES_HPP