src/share/vm/utilities/exceptions.hpp - platform/external/jetbrains/jdk8u_hotspot - Git at Google

 /*
  * Copyright (c) 1998, 2014, 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_UTILITIES_EXCEPTIONS_HPP
 #define SHARE_VM_UTILITIES_EXCEPTIONS_HPP

 #include "memory/allocation.hpp"
 #include "oops/oopsHierarchy.hpp"
 #include "utilities/sizes.hpp"

 // This file provides the basic support for exception handling in the VM.
 // Note: We do not use C++ exceptions to avoid compiler dependencies and
 // unpredictable performance.
 //
 // Scheme: Exceptions are stored with the thread. There is never more
 // than one pending exception per thread. All functions that can throw
 // an exception carry a THREAD argument (usually the last argument and
 // declared with the TRAPS macro). Throwing an exception means setting
 // a pending exception in the thread. Upon return from a function that
 // can throw an exception, we must check if an exception is pending.
 // The CHECK macros do this in a convenient way. Carrying around the
 // thread provides also convenient access to it (e.g. for Handle
 // creation, w/o the need for recomputation).


 // Forward declarations to be independent of the include structure.
 // This allows us to have exceptions.hpp included in top.hpp.

 class Thread;
 class Handle;
 class Symbol;
 class JavaCallArguments;

 // The ThreadShadow class is a helper class to access the _pending_exception
 // field of the Thread class w/o having access to the Thread's interface (for
 // include hierachy reasons).

 class ThreadShadow: public CHeapObj<mtThread> {
   friend class VMStructs;

  protected:
   oop  _pending_exception;                       // Thread has gc actions.
   const char* _exception_file;                   // file information for exception (debugging only)
   int         _exception_line;                   // line information for exception (debugging only)
   friend void check_ThreadShadow();              // checks _pending_exception offset

   // The following virtual exists only to force creation of a vtable.
   // We need ThreadShadow to have a vtable, even in product builds,
   // so that its layout will start at an offset of zero relative to Thread.
   // Some C++ compilers are so "clever" that they put the ThreadShadow
   // base class at offset 4 in Thread (after Thread's vtable), if they
   // notice that Thread has a vtable but ThreadShadow does not.
   virtual void unused_initial_virtual() { }

  public:
   oop  pending_exception() const                 { return _pending_exception; }
   bool has_pending_exception() const             { return _pending_exception != NULL; }
   const char* exception_file() const             { return _exception_file; }
   int  exception_line() const                    { return _exception_line; }

   // Code generation support
   static ByteSize pending_exception_offset()     { return byte_offset_of(ThreadShadow, _pending_exception); }

   // use THROW whenever possible!
   void set_pending_exception(oop exception, const char* file, int line);

   // use CLEAR_PENDING_EXCEPTION whenever possible!
   void clear_pending_exception();

   ThreadShadow() : _pending_exception(NULL),
                    _exception_file(NULL), _exception_line(0) {}
 };


 // Exceptions is a helper class that encapsulates all operations
 // that require access to the thread interface and which are
 // relatively rare. The Exceptions operations should only be
 // used directly if the macros below are insufficient.

 class Exceptions {
   static bool special_exception(Thread *thread, const char* file, int line, Handle exception);
   static bool special_exception(Thread* thread, const char* file, int line, Symbol* name, const char* message);
  public:
   // this enum is defined to indicate whether it is safe to
   // ignore the encoding scheme of the original message string.
   typedef enum {
     safe_to_utf8 = 0,
     unsafe_to_utf8 = 1
   } ExceptionMsgToUtf8Mode;
   // Throw exceptions: w/o message, w/ message & with formatted message.
   static void _throw_oop(Thread* thread, const char* file, int line, oop exception);
   static void _throw(Thread* thread, const char* file, int line, Handle exception, const char* msg = NULL);

   static void _throw_msg(Thread* thread, const char* file, int line, Symbol* name, const char* message);
   static void _throw_msg(Thread* thread, const char* file, int line, Symbol* name, const char* message,
                          Handle loader, Handle protection_domain);

   static void _throw_msg_cause(Thread* thread, const char* file, int line, Symbol* name, const char* message, Handle h_cause);
   static void _throw_msg_cause(Thread* thread, const char* file, int line, Symbol* name, const char* message, Handle h_cause,
                                Handle h_loader, Handle h_protection_domain);

   static void _throw_cause(Thread* thread, const char* file, int line, Symbol* name, Handle h_cause);
   static void _throw_cause(Thread* thread, const char* file, int line, Symbol* name, Handle h_cause,
                            Handle h_loader, Handle h_protection_domain);

   static void _throw_args(Thread* thread, const char* file, int line,
                           Symbol* name, Symbol* signature,
                           JavaCallArguments* args);

   // There is no THROW... macro for this method. Caller should remember
   // to do a return after calling it.
   static void fthrow(Thread* thread, const char* file, int line, Symbol* name,
                      const char* format, ...) ATTRIBUTE_PRINTF(5, 6);

   // Create and initialize a new exception
   static Handle new_exception(Thread* thread, Symbol* name,
                               Symbol* signature, JavaCallArguments* args,
                               Handle loader, Handle protection_domain);

   static Handle new_exception(Thread* thread, Symbol* name,
                               Symbol* signature, JavaCallArguments* args,
                               Handle cause,
                               Handle loader, Handle protection_domain);

   static Handle new_exception(Thread* thread, Symbol* name,
                               Handle cause,
                               Handle loader, Handle protection_domain,
                               ExceptionMsgToUtf8Mode to_utf8_safe = safe_to_utf8);

   static Handle new_exception(Thread* thread, Symbol* name,
                               const char* message, Handle cause,
                               Handle loader, Handle protection_domain,
                               ExceptionMsgToUtf8Mode to_utf8_safe = safe_to_utf8);

   static Handle new_exception(Thread* thread, Symbol* name,
                               const char* message,
                               ExceptionMsgToUtf8Mode to_utf8_safe = safe_to_utf8);

   static void throw_stack_overflow_exception(Thread* thread, const char* file, int line, methodHandle method);

   // for AbortVMOnException flag
   NOT_PRODUCT(static void debug_check_abort(Handle exception, const char* message = NULL);)
   NOT_PRODUCT(static void debug_check_abort(const char *value_string, const char* message = NULL);)
 };


 // The THREAD & TRAPS macros facilitate the declaration of functions that throw exceptions.
 // Convention: Use the TRAPS macro as the last argument of such a function; e.g.:
 //
 // int this_function_may_trap(int x, float y, TRAPS)

 #define THREAD __the_thread__
 #define TRAPS  Thread* THREAD


 // The CHECK... macros should be used to pass along a THREAD reference and to check for pending
 // exceptions. In special situations it is necessary to handle pending exceptions explicitly,
 // in these cases the PENDING_EXCEPTION helper macros should be used.
 //
 // Macro naming conventions: Macros that end with _ require a result value to be returned. They
 // are for functions with non-void result type. The result value is usually ignored because of
 // the exception and is only needed for syntactic correctness. The _0 ending is a shortcut for
 // _(0) since this is a frequent case. Example:
 //
 // int result = this_function_may_trap(x_arg, y_arg, CHECK_0);
 //
 // CAUTION: make sure that the function call using a CHECK macro is not the only statement of a
 // conditional branch w/o enclosing {} braces, since the CHECK macros expand into several state-
 // ments!

 #define PENDING_EXCEPTION                        (((ThreadShadow*)THREAD)->pending_exception())
 #define HAS_PENDING_EXCEPTION                    (((ThreadShadow*)THREAD)->has_pending_exception())
 #define CLEAR_PENDING_EXCEPTION                  (((ThreadShadow*)THREAD)->clear_pending_exception())

 #define CHECK                                    THREAD); if (HAS_PENDING_EXCEPTION) return       ; (void)(0
 #define CHECK_(result)                           THREAD); if (HAS_PENDING_EXCEPTION) return result; (void)(0
 #define CHECK_0                                  CHECK_(0)
 #define CHECK_NH                                 CHECK_(Handle())
 #define CHECK_NULL                               CHECK_(NULL)
 #define CHECK_false                              CHECK_(false)

 #define CHECK_AND_CLEAR                         THREAD); if (HAS_PENDING_EXCEPTION) { CLEAR_PENDING_EXCEPTION; return;        } (void)(0
 #define CHECK_AND_CLEAR_(result)                THREAD); if (HAS_PENDING_EXCEPTION) { CLEAR_PENDING_EXCEPTION; return result; } (void)(0
 #define CHECK_AND_CLEAR_0                       CHECK_AND_CLEAR_(0)
 #define CHECK_AND_CLEAR_NH                      CHECK_AND_CLEAR_(Handle())
 #define CHECK_AND_CLEAR_NULL                    CHECK_AND_CLEAR_(NULL)
 #define CHECK_AND_CLEAR_false                   CHECK_AND_CLEAR_(false)

 // The THROW... macros should be used to throw an exception. They require a THREAD variable to be
 // visible within the scope containing the THROW. Usually this is achieved by declaring the function
 // with a TRAPS argument.

 #define THREAD_AND_LOCATION                      THREAD, __FILE__, __LINE__

 #define THROW_OOP(e)                                \
   { Exceptions::_throw_oop(THREAD_AND_LOCATION, e);                             return;  }

 #define THROW_HANDLE(e)                                \
   { Exceptions::_throw(THREAD_AND_LOCATION, e);                             return;  }

 #define THROW(name)                                 \
   { Exceptions::_throw_msg(THREAD_AND_LOCATION, name, NULL); return;  }

 #define THROW_MSG(name, message)                    \
   { Exceptions::_throw_msg(THREAD_AND_LOCATION, name, message); return;  }

 #define THROW_CAUSE(name, cause)   \
   { Exceptions::_throw_cause(THREAD_AND_LOCATION, name, cause); return; }

 #define THROW_MSG_LOADER(name, message, loader, protection_domain) \
   { Exceptions::_throw_msg(THREAD_AND_LOCATION, name, message, loader, protection_domain); return;  }

 #define THROW_ARG(name, signature, args) \
   { Exceptions::_throw_args(THREAD_AND_LOCATION, name, signature, args);   return; }

 #define THROW_OOP_(e, result)                       \
   { Exceptions::_throw_oop(THREAD_AND_LOCATION, e);                           return result; }

 #define THROW_HANDLE_(e, result)                       \
   { Exceptions::_throw(THREAD_AND_LOCATION, e);                           return result; }

 #define THROW_(name, result)                        \
   { Exceptions::_throw_msg(THREAD_AND_LOCATION, name, NULL); return result; }

 #define THROW_MSG_(name, message, result)           \
   { Exceptions::_throw_msg(THREAD_AND_LOCATION, name, message); return result; }

 #define THROW_MSG_LOADER_(name, message, loader, protection_domain, result) \
   { Exceptions::_throw_msg(THREAD_AND_LOCATION, name, message, loader, protection_domain); return result; }

 #define THROW_ARG_(name, signature, args, result) \
   { Exceptions::_throw_args(THREAD_AND_LOCATION, name, signature, args); return result; }

 #define THROW_MSG_CAUSE(name, message, cause)   \
   { Exceptions::_throw_msg_cause(THREAD_AND_LOCATION, name, message, cause); return; }

 #define THROW_MSG_CAUSE_(name, message, cause, result)   \
   { Exceptions::_throw_msg_cause(THREAD_AND_LOCATION, name, message, cause); return result; }


 #define THROW_OOP_0(e)                      THROW_OOP_(e, 0)
 #define THROW_HANDLE_0(e)                   THROW_HANDLE_(e, 0)
 #define THROW_0(name)                       THROW_(name, 0)
 #define THROW_MSG_0(name, message)          THROW_MSG_(name, message, 0)
 #define THROW_WRAPPED_0(name, oop_to_wrap)  THROW_WRAPPED_(name, oop_to_wrap, 0)
 #define THROW_ARG_0(name, signature, arg)   THROW_ARG_(name, signature, arg, 0)
 #define THROW_MSG_CAUSE_0(name, message, cause) THROW_MSG_CAUSE_(name, message, cause, 0)
 #define THROW_MSG_CAUSE_NULL(name, message, cause) THROW_MSG_CAUSE_(name, message, cause, NULL)

 #define THROW_NULL(name)                    THROW_(name, NULL)
 #define THROW_MSG_NULL(name, message)       THROW_MSG_(name, message, NULL)

 // The CATCH macro checks that no exception has been thrown by a function; it is used at
 // call sites about which is statically known that the callee cannot throw an exception
 // even though it is declared with TRAPS.

 #define CATCH                              \
   THREAD); if (HAS_PENDING_EXCEPTION) {    \
     oop ex = PENDING_EXCEPTION;            \
     CLEAR_PENDING_EXCEPTION;               \
     ex->print();                           \
     ShouldNotReachHere();                  \
   } (void)(0

 // ExceptionMark is a stack-allocated helper class for local exception handling.
 // It is used with the EXCEPTION_MARK macro.

 class ExceptionMark {
  private:
   Thread* _thread;

  public:
   ExceptionMark(Thread*& thread);
   ~ExceptionMark();
 };


 // Use an EXCEPTION_MARK for 'local' exceptions. EXCEPTION_MARK makes sure that no
 // pending exception exists upon entering its scope and tests that no pending exception
 // exists when leaving the scope.

 // See also preserveException.hpp for PRESERVE_EXCEPTION_MARK macro,
 // which preserves pre-existing exceptions and does not allow new
 // exceptions.

 #define EXCEPTION_MARK                           Thread* THREAD = NULL; ExceptionMark __em(THREAD);

 #endif // SHARE_VM_UTILITIES_EXCEPTIONS_HPP
	/*
	* Copyright (c) 1998, 2014, 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_UTILITIES_EXCEPTIONS_HPP
	#define SHARE_VM_UTILITIES_EXCEPTIONS_HPP

	#include "memory/allocation.hpp"
	#include "oops/oopsHierarchy.hpp"
	#include "utilities/sizes.hpp"

	// This file provides the basic support for exception handling in the VM.
	// Note: We do not use C++ exceptions to avoid compiler dependencies and
	// unpredictable performance.
	//
	// Scheme: Exceptions are stored with the thread. There is never more
	// than one pending exception per thread. All functions that can throw
	// an exception carry a THREAD argument (usually the last argument and
	// declared with the TRAPS macro). Throwing an exception means setting
	// a pending exception in the thread. Upon return from a function that
	// can throw an exception, we must check if an exception is pending.
	// The CHECK macros do this in a convenient way. Carrying around the
	// thread provides also convenient access to it (e.g. for Handle
	// creation, w/o the need for recomputation).



	// Forward declarations to be independent of the include structure.
	// This allows us to have exceptions.hpp included in top.hpp.

	class Thread;
	class Handle;
	class Symbol;
	class JavaCallArguments;

	// The ThreadShadow class is a helper class to access the _pending_exception
	// field of the Thread class w/o having access to the Thread's interface (for
	// include hierachy reasons).

	class ThreadShadow: public CHeapObj<mtThread> {
	friend class VMStructs;

	protected:
	oop _pending_exception; // Thread has gc actions.
	const char* _exception_file; // file information for exception (debugging only)
	int _exception_line; // line information for exception (debugging only)
	friend void check_ThreadShadow(); // checks _pending_exception offset

	// The following virtual exists only to force creation of a vtable.
	// We need ThreadShadow to have a vtable, even in product builds,
	// so that its layout will start at an offset of zero relative to Thread.
	// Some C++ compilers are so "clever" that they put the ThreadShadow
	// base class at offset 4 in Thread (after Thread's vtable), if they
	// notice that Thread has a vtable but ThreadShadow does not.
	virtual void unused_initial_virtual() { }

	public:
	oop pending_exception() const { return _pending_exception; }
	bool has_pending_exception() const { return _pending_exception != NULL; }
	const char* exception_file() const { return _exception_file; }
	int exception_line() const { return _exception_line; }

	// Code generation support
	static ByteSize pending_exception_offset() { return byte_offset_of(ThreadShadow, _pending_exception); }

	// use THROW whenever possible!
	void set_pending_exception(oop exception, const char* file, int line);

	// use CLEAR_PENDING_EXCEPTION whenever possible!
	void clear_pending_exception();

	ThreadShadow() : _pending_exception(NULL),
	_exception_file(NULL), _exception_line(0) {}
	};


	// Exceptions is a helper class that encapsulates all operations
	// that require access to the thread interface and which are
	// relatively rare. The Exceptions operations should only be
	// used directly if the macros below are insufficient.

	class Exceptions {
	static bool special_exception(Thread thread, const char file, int line, Handle exception);
	static bool special_exception(Thread* thread, const char* file, int line, Symbol* name, const char* message);
	public:
	// this enum is defined to indicate whether it is safe to
	// ignore the encoding scheme of the original message string.
	typedef enum {
	safe_to_utf8 = 0,
	unsafe_to_utf8 = 1
	} ExceptionMsgToUtf8Mode;
	// Throw exceptions: w/o message, w/ message & with formatted message.
	static void _throw_oop(Thread* thread, const char* file, int line, oop exception);
	static void _throw(Thread* thread, const char* file, int line, Handle exception, const char* msg = NULL);

	static void _throw_msg(Thread* thread, const char* file, int line, Symbol* name, const char* message);
	static void _throw_msg(Thread* thread, const char* file, int line, Symbol* name, const char* message,
	Handle loader, Handle protection_domain);

	static void _throw_msg_cause(Thread* thread, const char* file, int line, Symbol* name, const char* message, Handle h_cause);
	static void _throw_msg_cause(Thread* thread, const char* file, int line, Symbol* name, const char* message, Handle h_cause,
	Handle h_loader, Handle h_protection_domain);

	static void _throw_cause(Thread* thread, const char* file, int line, Symbol* name, Handle h_cause);
	static void _throw_cause(Thread* thread, const char* file, int line, Symbol* name, Handle h_cause,
	Handle h_loader, Handle h_protection_domain);

	static void _throw_args(Thread* thread, const char* file, int line,
	Symbol* name, Symbol* signature,
	JavaCallArguments* args);

	// There is no THROW... macro for this method. Caller should remember
	// to do a return after calling it.
	static void fthrow(Thread* thread, const char* file, int line, Symbol* name,
	const char* format, ...) ATTRIBUTE_PRINTF(5, 6);

	// Create and initialize a new exception
	static Handle new_exception(Thread* thread, Symbol* name,
	Symbol* signature, JavaCallArguments* args,
	Handle loader, Handle protection_domain);

	static Handle new_exception(Thread* thread, Symbol* name,
	Symbol* signature, JavaCallArguments* args,
	Handle cause,
	Handle loader, Handle protection_domain);

	static Handle new_exception(Thread* thread, Symbol* name,
	Handle cause,
	Handle loader, Handle protection_domain,
	ExceptionMsgToUtf8Mode to_utf8_safe = safe_to_utf8);

	static Handle new_exception(Thread* thread, Symbol* name,
	const char* message, Handle cause,
	Handle loader, Handle protection_domain,
	ExceptionMsgToUtf8Mode to_utf8_safe = safe_to_utf8);

	static Handle new_exception(Thread* thread, Symbol* name,
	const char* message,
	ExceptionMsgToUtf8Mode to_utf8_safe = safe_to_utf8);

	static void throw_stack_overflow_exception(Thread* thread, const char* file, int line, methodHandle method);

	// for AbortVMOnException flag
	NOT_PRODUCT(static void debug_check_abort(Handle exception, const char* message = NULL);)
	NOT_PRODUCT(static void debug_check_abort(const char value_string, const char message = NULL);)
	};


	// The THREAD & TRAPS macros facilitate the declaration of functions that throw exceptions.
	// Convention: Use the TRAPS macro as the last argument of such a function; e.g.:
	//
	// int this_function_may_trap(int x, float y, TRAPS)

	#define THREAD __the_thread__
	#define TRAPS Thread* THREAD


	// The CHECK... macros should be used to pass along a THREAD reference and to check for pending
	// exceptions. In special situations it is necessary to handle pending exceptions explicitly,
	// in these cases the PENDING_EXCEPTION helper macros should be used.
	//
	// Macro naming conventions: Macros that end with _ require a result value to be returned. They
	// are for functions with non-void result type. The result value is usually ignored because of
	// the exception and is only needed for syntactic correctness. The _0 ending is a shortcut for
	// _(0) since this is a frequent case. Example:
	//
	// int result = this_function_may_trap(x_arg, y_arg, CHECK_0);
	//
	// CAUTION: make sure that the function call using a CHECK macro is not the only statement of a
	// conditional branch w/o enclosing {} braces, since the CHECK macros expand into several state-
	// ments!

	#define PENDING_EXCEPTION (((ThreadShadow*)THREAD)->pending_exception())
	#define HAS_PENDING_EXCEPTION (((ThreadShadow*)THREAD)->has_pending_exception())
	#define CLEAR_PENDING_EXCEPTION (((ThreadShadow*)THREAD)->clear_pending_exception())

	#define CHECK THREAD); if (HAS_PENDING_EXCEPTION) return ; (void)(0
	#define CHECK_(result) THREAD); if (HAS_PENDING_EXCEPTION) return result; (void)(0
	#define CHECK_0 CHECK_(0)
	#define CHECK_NH CHECK_(Handle())
	#define CHECK_NULL CHECK_(NULL)
	#define CHECK_false CHECK_(false)

	#define CHECK_AND_CLEAR THREAD); if (HAS_PENDING_EXCEPTION) { CLEAR_PENDING_EXCEPTION; return; } (void)(0
	#define CHECK_AND_CLEAR_(result) THREAD); if (HAS_PENDING_EXCEPTION) { CLEAR_PENDING_EXCEPTION; return result; } (void)(0
	#define CHECK_AND_CLEAR_0 CHECK_AND_CLEAR_(0)
	#define CHECK_AND_CLEAR_NH CHECK_AND_CLEAR_(Handle())
	#define CHECK_AND_CLEAR_NULL CHECK_AND_CLEAR_(NULL)
	#define CHECK_AND_CLEAR_false CHECK_AND_CLEAR_(false)

	// The THROW... macros should be used to throw an exception. They require a THREAD variable to be
	// visible within the scope containing the THROW. Usually this is achieved by declaring the function
	// with a TRAPS argument.

	#define THREAD_AND_LOCATION THREAD, __FILE__, __LINE__

	#define THROW_OOP(e) \
	{ Exceptions::_throw_oop(THREAD_AND_LOCATION, e); return; }

	#define THROW_HANDLE(e) \
	{ Exceptions::_throw(THREAD_AND_LOCATION, e); return; }

	#define THROW(name) \
	{ Exceptions::_throw_msg(THREAD_AND_LOCATION, name, NULL); return; }

	#define THROW_MSG(name, message) \
	{ Exceptions::_throw_msg(THREAD_AND_LOCATION, name, message); return; }

	#define THROW_CAUSE(name, cause) \
	{ Exceptions::_throw_cause(THREAD_AND_LOCATION, name, cause); return; }

	#define THROW_MSG_LOADER(name, message, loader, protection_domain) \
	{ Exceptions::_throw_msg(THREAD_AND_LOCATION, name, message, loader, protection_domain); return; }

	#define THROW_ARG(name, signature, args) \
	{ Exceptions::_throw_args(THREAD_AND_LOCATION, name, signature, args); return; }

	#define THROW_OOP_(e, result) \
	{ Exceptions::_throw_oop(THREAD_AND_LOCATION, e); return result; }

	#define THROW_HANDLE_(e, result) \
	{ Exceptions::_throw(THREAD_AND_LOCATION, e); return result; }

	#define THROW_(name, result) \
	{ Exceptions::_throw_msg(THREAD_AND_LOCATION, name, NULL); return result; }

	#define THROW_MSG_(name, message, result) \
	{ Exceptions::_throw_msg(THREAD_AND_LOCATION, name, message); return result; }

	#define THROW_MSG_LOADER_(name, message, loader, protection_domain, result) \
	{ Exceptions::_throw_msg(THREAD_AND_LOCATION, name, message, loader, protection_domain); return result; }

	#define THROW_ARG_(name, signature, args, result) \
	{ Exceptions::_throw_args(THREAD_AND_LOCATION, name, signature, args); return result; }

	#define THROW_MSG_CAUSE(name, message, cause) \
	{ Exceptions::_throw_msg_cause(THREAD_AND_LOCATION, name, message, cause); return; }

	#define THROW_MSG_CAUSE_(name, message, cause, result) \
	{ Exceptions::_throw_msg_cause(THREAD_AND_LOCATION, name, message, cause); return result; }


	#define THROW_OOP_0(e) THROW_OOP_(e, 0)
	#define THROW_HANDLE_0(e) THROW_HANDLE_(e, 0)
	#define THROW_0(name) THROW_(name, 0)
	#define THROW_MSG_0(name, message) THROW_MSG_(name, message, 0)
	#define THROW_WRAPPED_0(name, oop_to_wrap) THROW_WRAPPED_(name, oop_to_wrap, 0)
	#define THROW_ARG_0(name, signature, arg) THROW_ARG_(name, signature, arg, 0)
	#define THROW_MSG_CAUSE_0(name, message, cause) THROW_MSG_CAUSE_(name, message, cause, 0)
	#define THROW_MSG_CAUSE_NULL(name, message, cause) THROW_MSG_CAUSE_(name, message, cause, NULL)

	#define THROW_NULL(name) THROW_(name, NULL)
	#define THROW_MSG_NULL(name, message) THROW_MSG_(name, message, NULL)

	// The CATCH macro checks that no exception has been thrown by a function; it is used at
	// call sites about which is statically known that the callee cannot throw an exception
	// even though it is declared with TRAPS.

	#define CATCH \
	THREAD); if (HAS_PENDING_EXCEPTION) { \
	oop ex = PENDING_EXCEPTION; \
	CLEAR_PENDING_EXCEPTION; \
	ex->print(); \
	ShouldNotReachHere(); \
	} (void)(0

	// ExceptionMark is a stack-allocated helper class for local exception handling.
	// It is used with the EXCEPTION_MARK macro.

	class ExceptionMark {
	private:
	Thread* _thread;

	public:
	ExceptionMark(Thread*& thread);
	~ExceptionMark();
	};



	// Use an EXCEPTION_MARK for 'local' exceptions. EXCEPTION_MARK makes sure that no
	// pending exception exists upon entering its scope and tests that no pending exception
	// exists when leaving the scope.

	// See also preserveException.hpp for PRESERVE_EXCEPTION_MARK macro,
	// which preserves pre-existing exceptions and does not allow new
	// exceptions.

	#define EXCEPTION_MARK Thread* THREAD = NULL; ExceptionMark __em(THREAD);

	#endif // SHARE_VM_UTILITIES_EXCEPTIONS_HPP