diff options
Diffstat (limited to 'libjava/sun')
| -rw-r--r-- | libjava/sun/awt/CausedFocusEvent$Cause.h | 50 | ||||
| -rw-r--r-- | libjava/sun/awt/CausedFocusEvent.h | 41 | ||||
| -rw-r--r-- | libjava/sun/misc/Service.h | 30 | ||||
| -rw-r--r-- | libjava/sun/misc/ServiceConfigurationError.h | 30 | ||||
| -rw-r--r-- | libjava/sun/misc/Unsafe.h | 53 | ||||
| -rw-r--r-- | libjava/sun/misc/Unsafe.java | 328 | ||||
| -rw-r--r-- | libjava/sun/misc/natUnsafe.cc | 253 | ||||
| -rw-r--r-- | libjava/sun/reflect/Reflection.h | 30 | ||||
| -rw-r--r-- | libjava/sun/reflect/Reflection.java | 51 | ||||
| -rw-r--r-- | libjava/sun/reflect/annotation/AnnotationInvocationHandler.h | 55 | ||||
| -rw-r--r-- | libjava/sun/reflect/annotation/AnnotationInvocationHandler.java | 441 | ||||
| -rw-r--r-- | libjava/sun/reflect/annotation/AnnotationParser.h | 33 | ||||
| -rw-r--r-- | libjava/sun/reflect/annotation/AnnotationType.h | 33 | ||||
| -rw-r--r-- | libjava/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.h | 32 | ||||
| -rw-r--r-- | libjava/sun/reflect/annotation/ExceptionProxy.h | 32 | ||||
| -rw-r--r-- | libjava/sun/reflect/misc/ReflectUtil$MustBeNull.h | 32 | ||||
| -rw-r--r-- | libjava/sun/reflect/misc/ReflectUtil.h | 35 | ||||
| -rw-r--r-- | libjava/sun/reflect/misc/ReflectUtil.java | 113 |
18 files changed, 1672 insertions, 0 deletions
diff --git a/libjava/sun/awt/CausedFocusEvent$Cause.h b/libjava/sun/awt/CausedFocusEvent$Cause.h new file mode 100644 index 000000000..d342fc6ee --- /dev/null +++ b/libjava/sun/awt/CausedFocusEvent$Cause.h @@ -0,0 +1,50 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_awt_CausedFocusEvent$Cause__ +#define __sun_awt_CausedFocusEvent$Cause__ + +#pragma interface + +#include <java/lang/Enum.h> +#include <gcj/array.h> + +extern "Java" +{ + namespace sun + { + namespace awt + { + class CausedFocusEvent$Cause; + } + } +} + +class sun::awt::CausedFocusEvent$Cause : public ::java::lang::Enum +{ + + CausedFocusEvent$Cause(::java::lang::String *, jint); +public: + static JArray< ::sun::awt::CausedFocusEvent$Cause * > * values(); + static ::sun::awt::CausedFocusEvent$Cause * valueOf(::java::lang::String *); + static ::sun::awt::CausedFocusEvent$Cause * UNKNOWN; + static ::sun::awt::CausedFocusEvent$Cause * MOUSE_EVENT; + static ::sun::awt::CausedFocusEvent$Cause * TRAVERSAL; + static ::sun::awt::CausedFocusEvent$Cause * TRAVERSAL_UP; + static ::sun::awt::CausedFocusEvent$Cause * TRAVERSAL_DOWN; + static ::sun::awt::CausedFocusEvent$Cause * TRAVERSAL_FORWARD; + static ::sun::awt::CausedFocusEvent$Cause * TRAVERSAL_BACKWARD; + static ::sun::awt::CausedFocusEvent$Cause * MANUAL_REQUEST; + static ::sun::awt::CausedFocusEvent$Cause * AUTOMATIC_TRAVERSE; + static ::sun::awt::CausedFocusEvent$Cause * ROLLBACK; + static ::sun::awt::CausedFocusEvent$Cause * NATIVE_SYSTEM; + static ::sun::awt::CausedFocusEvent$Cause * ACTIVATION; + static ::sun::awt::CausedFocusEvent$Cause * CLEAR_GLOBAL_FOCUS_OWNER; + static ::sun::awt::CausedFocusEvent$Cause * RETARGETED; +private: + static JArray< ::sun::awt::CausedFocusEvent$Cause * > * ENUM$VALUES; +public: + static ::java::lang::Class class$; +}; + +#endif // __sun_awt_CausedFocusEvent$Cause__ diff --git a/libjava/sun/awt/CausedFocusEvent.h b/libjava/sun/awt/CausedFocusEvent.h new file mode 100644 index 000000000..b6575e7b3 --- /dev/null +++ b/libjava/sun/awt/CausedFocusEvent.h @@ -0,0 +1,41 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_awt_CausedFocusEvent__ +#define __sun_awt_CausedFocusEvent__ + +#pragma interface + +#include <java/awt/event/FocusEvent.h> +extern "Java" +{ + namespace java + { + namespace awt + { + class Component; + } + } + namespace sun + { + namespace awt + { + class CausedFocusEvent; + class CausedFocusEvent$Cause; + } + } +} + +class sun::awt::CausedFocusEvent : public ::java::awt::event::FocusEvent +{ + +public: + CausedFocusEvent(::java::awt::Component *, jint, jboolean, ::java::awt::Component *, ::sun::awt::CausedFocusEvent$Cause *); + virtual ::sun::awt::CausedFocusEvent$Cause * getCause(); +private: + ::sun::awt::CausedFocusEvent$Cause * __attribute__((aligned(__alignof__( ::java::awt::event::FocusEvent)))) cause; +public: + static ::java::lang::Class class$; +}; + +#endif // __sun_awt_CausedFocusEvent__ diff --git a/libjava/sun/misc/Service.h b/libjava/sun/misc/Service.h new file mode 100644 index 000000000..e698fed4b --- /dev/null +++ b/libjava/sun/misc/Service.h @@ -0,0 +1,30 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_misc_Service__ +#define __sun_misc_Service__ + +#pragma interface + +#include <java/lang/Object.h> +extern "Java" +{ + namespace sun + { + namespace misc + { + class Service; + } + } +} + +class sun::misc::Service : public ::java::lang::Object +{ + +public: + Service(); + static ::java::util::Iterator * providers(::java::lang::Class *, ::java::lang::ClassLoader *); + static ::java::lang::Class class$; +}; + +#endif // __sun_misc_Service__ diff --git a/libjava/sun/misc/ServiceConfigurationError.h b/libjava/sun/misc/ServiceConfigurationError.h new file mode 100644 index 000000000..aee51b347 --- /dev/null +++ b/libjava/sun/misc/ServiceConfigurationError.h @@ -0,0 +1,30 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_misc_ServiceConfigurationError__ +#define __sun_misc_ServiceConfigurationError__ + +#pragma interface + +#include <java/lang/Error.h> +extern "Java" +{ + namespace sun + { + namespace misc + { + class ServiceConfigurationError; + } + } +} + +class sun::misc::ServiceConfigurationError : public ::java::lang::Error +{ + +public: + ServiceConfigurationError(); + ServiceConfigurationError(::java::lang::String *); + static ::java::lang::Class class$; +}; + +#endif // __sun_misc_ServiceConfigurationError__ diff --git a/libjava/sun/misc/Unsafe.h b/libjava/sun/misc/Unsafe.h new file mode 100644 index 000000000..d50c3e050 --- /dev/null +++ b/libjava/sun/misc/Unsafe.h @@ -0,0 +1,53 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_misc_Unsafe__ +#define __sun_misc_Unsafe__ + +#pragma interface + +#include <java/lang/Object.h> +extern "Java" +{ + namespace sun + { + namespace misc + { + class Unsafe; + } + } +} + +class sun::misc::Unsafe : public ::java::lang::Object +{ + + Unsafe(); +public: + static ::sun::misc::Unsafe * getUnsafe(); + virtual jlong objectFieldOffset(::java::lang::reflect::Field *); + virtual jboolean compareAndSwapInt(::java::lang::Object *, jlong, jint, jint); + virtual jboolean compareAndSwapLong(::java::lang::Object *, jlong, jlong, jlong); + virtual jboolean compareAndSwapObject(::java::lang::Object *, jlong, ::java::lang::Object *, ::java::lang::Object *); + virtual void putOrderedInt(::java::lang::Object *, jlong, jint); + virtual void putOrderedLong(::java::lang::Object *, jlong, jlong); + virtual void putOrderedObject(::java::lang::Object *, jlong, ::java::lang::Object *); + virtual void putIntVolatile(::java::lang::Object *, jlong, jint); + virtual jint getIntVolatile(::java::lang::Object *, jlong); + virtual void putLongVolatile(::java::lang::Object *, jlong, jlong); + virtual void putLong(::java::lang::Object *, jlong, jlong); + virtual jlong getLongVolatile(::java::lang::Object *, jlong); + virtual jlong getLong(::java::lang::Object *, jlong); + virtual void putObjectVolatile(::java::lang::Object *, jlong, ::java::lang::Object *); + virtual void putObject(::java::lang::Object *, jlong, ::java::lang::Object *); + virtual ::java::lang::Object * getObjectVolatile(::java::lang::Object *, jlong); + virtual jint arrayBaseOffset(::java::lang::Class *); + virtual jint arrayIndexScale(::java::lang::Class *); + virtual void unpark(::java::lang::Thread *); + virtual void park(jboolean, jlong); +private: + static ::sun::misc::Unsafe * unsafe; +public: + static ::java::lang::Class class$; +}; + +#endif // __sun_misc_Unsafe__ diff --git a/libjava/sun/misc/Unsafe.java b/libjava/sun/misc/Unsafe.java new file mode 100644 index 000000000..fa199f83e --- /dev/null +++ b/libjava/sun/misc/Unsafe.java @@ -0,0 +1,328 @@ +/* Unsafe.java - Unsafe operations needed for concurrency + Copyright (C) 2006 Free Software Foundation + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package sun.misc; + +import java.lang.reflect.Field; + +/** + * This class should provide access to low-level operations and its + * use should be limited to trusted code. Fields can be accessed using + * memory addresses, with undefined behaviour occurring if invalid memory + * addresses are given. + * + * @author Tom Tromey (tromey@redhat.com) + * @author Andrew John Hughes (gnu_andrew@member.fsf.org) + */ +public class Unsafe +{ + // Singleton class. + private static Unsafe unsafe = new Unsafe(); + + /** + * Private default constructor to prevent creation of an arbitrary + * number of instances. + */ + private Unsafe() + { + } + + /** + * Retrieve the singleton instance of <code>Unsafe</code>. The calling + * method should guard this instance from untrusted code, as it provides + * access to low-level operations such as direct memory access. + * + * @throws SecurityException if a security manager exists and prevents + * access to the system properties. + */ + public static Unsafe getUnsafe() + { + SecurityManager sm = System.getSecurityManager(); + if (sm != null) + sm.checkPropertiesAccess(); + return unsafe; + } + + /** + * Returns the memory address offset of the given static field. + * The offset is merely used as a means to access a particular field + * in the other methods of this class. The value is unique to the given + * field and the same value should be returned on each subsequent call. + * + * @param field the field whose offset should be returned. + * @return the offset of the given field. + */ + public native long objectFieldOffset(Field field); + + /** + * Compares the value of the integer field at the specified offset + * in the supplied object with the given expected value, and updates + * it if they match. The operation of this method should be atomic, + * thus providing an uninterruptible way of updating an integer field. + * + * @param obj the object containing the field to modify. + * @param offset the offset of the integer field within <code>obj</code>. + * @param expect the expected value of the field. + * @param update the new value of the field if it equals <code>expect</code>. + * @return true if the field was changed. + */ + public native boolean compareAndSwapInt(Object obj, long offset, + int expect, int update); + + /** + * Compares the value of the long field at the specified offset + * in the supplied object with the given expected value, and updates + * it if they match. The operation of this method should be atomic, + * thus providing an uninterruptible way of updating a long field. + * + * @param obj the object containing the field to modify. + * @param offset the offset of the long field within <code>obj</code>. + * @param expect the expected value of the field. + * @param update the new value of the field if it equals <code>expect</code>. + * @return true if the field was changed. + */ + public native boolean compareAndSwapLong(Object obj, long offset, + long expect, long update); + + /** + * Compares the value of the object field at the specified offset + * in the supplied object with the given expected value, and updates + * it if they match. The operation of this method should be atomic, + * thus providing an uninterruptible way of updating an object field. + * + * @param obj the object containing the field to modify. + * @param offset the offset of the object field within <code>obj</code>. + * @param expect the expected value of the field. + * @param update the new value of the field if it equals <code>expect</code>. + * @return true if the field was changed. + */ + public native boolean compareAndSwapObject(Object obj, long offset, + Object expect, Object update); + + /** + * Sets the value of the integer field at the specified offset in the + * supplied object to the given value. This is an ordered or lazy + * version of <code>putIntVolatile(Object,long,int)</code>, which + * doesn't guarantee the immediate visibility of the change to other + * threads. It is only really useful where the integer field is + * <code>volatile</code>, and is thus expected to change unexpectedly. + * + * @param obj the object containing the field to modify. + * @param offset the offset of the integer field within <code>obj</code>. + * @param value the new value of the field. + * @see #putIntVolatile(Object,long,int) + */ + public native void putOrderedInt(Object obj, long offset, int value); + + /** + * Sets the value of the long field at the specified offset in the + * supplied object to the given value. This is an ordered or lazy + * version of <code>putLongVolatile(Object,long,long)</code>, which + * doesn't guarantee the immediate visibility of the change to other + * threads. It is only really useful where the long field is + * <code>volatile</code>, and is thus expected to change unexpectedly. + * + * @param obj the object containing the field to modify. + * @param offset the offset of the long field within <code>obj</code>. + * @param value the new value of the field. + * @see #putLongVolatile(Object,long,long) + */ + public native void putOrderedLong(Object obj, long offset, long value); + + /** + * Sets the value of the object field at the specified offset in the + * supplied object to the given value. This is an ordered or lazy + * version of <code>putObjectVolatile(Object,long,Object)</code>, which + * doesn't guarantee the immediate visibility of the change to other + * threads. It is only really useful where the object field is + * <code>volatile</code>, and is thus expected to change unexpectedly. + * + * @param obj the object containing the field to modify. + * @param offset the offset of the object field within <code>obj</code>. + * @param value the new value of the field. + */ + public native void putOrderedObject(Object obj, long offset, Object value); + + /** + * Sets the value of the integer field at the specified offset in the + * supplied object to the given value, with volatile store semantics. + * + * @param obj the object containing the field to modify. + * @param offset the offset of the integer field within <code>obj</code>. + * @param value the new value of the field. + */ + public native void putIntVolatile(Object obj, long offset, int value); + + /** + * Retrieves the value of the integer field at the specified offset in the + * supplied object with volatile load semantics. + * + * @param obj the object containing the field to read. + * @param offset the offset of the integer field within <code>obj</code>. + */ + public native int getIntVolatile(Object obj, long offset); + + /** + * Sets the value of the long field at the specified offset in the + * supplied object to the given value, with volatile store semantics. + * + * @param obj the object containing the field to modify. + * @param offset the offset of the long field within <code>obj</code>. + * @param value the new value of the field. + * @see #putLong(Object,long,long) + */ + public native void putLongVolatile(Object obj, long offset, long value); + + /** + * Sets the value of the long field at the specified offset in the + * supplied object to the given value. + * + * @param obj the object containing the field to modify. + * @param offset the offset of the long field within <code>obj</code>. + * @param value the new value of the field. + * @see #putLongVolatile(Object,long,long) + */ + public native void putLong(Object obj, long offset, long value); + + /** + * Retrieves the value of the long field at the specified offset in the + * supplied object with volatile load semantics. + * + * @param obj the object containing the field to read. + * @param offset the offset of the long field within <code>obj</code>. + * @see #getLong(Object,long) + */ + public native long getLongVolatile(Object obj, long offset); + + /** + * Retrieves the value of the long field at the specified offset in the + * supplied object. + * + * @param obj the object containing the field to read. + * @param offset the offset of the long field within <code>obj</code>. + * @see #getLongVolatile(Object,long) + */ + public native long getLong(Object obj, long offset); + + /** + * Sets the value of the object field at the specified offset in the + * supplied object to the given value, with volatile store semantics. + * + * @param obj the object containing the field to modify. + * @param offset the offset of the object field within <code>obj</code>. + * @param value the new value of the field. + * @see #putObject(Object,long,Object) + */ + public native void putObjectVolatile(Object obj, long offset, Object value); + + /** + * Sets the value of the object field at the specified offset in the + * supplied object to the given value. + * + * @param obj the object containing the field to modify. + * @param offset the offset of the object field within <code>obj</code>. + * @param value the new value of the field. + * @see #putObjectVolatile(Object,long,Object) + */ + public native void putObject(Object obj, long offset, Object value); + + /** + * Retrieves the value of the object field at the specified offset in the + * supplied object with volatile load semantics. + * + * @param obj the object containing the field to read. + * @param offset the offset of the object field within <code>obj</code>. + */ + public native Object getObjectVolatile(Object obj, long offset); + + /** + * Returns the offset of the first element for a given array class. + * To access elements of the array class, this value may be used along + * with that returned by + * <a href="#arrayIndexScale"><code>arrayIndexScale</code></a>, + * if non-zero. + * + * @param arrayClass the class for which the first element's address should + * be obtained. + * @return the offset of the first element of the array class. + * @see arrayIndexScale(Class) + */ + public native int arrayBaseOffset(Class arrayClass); + + /** + * Returns the scale factor used for addressing elements of the supplied + * array class. Where a suitable scale factor can not be returned (e.g. + * for primitive types), zero should be returned. The returned value + * can be used with + * <a href="#arrayBaseOffset"><code>arrayBaseOffset</code></a> + * to access elements of the class. + * + * @param arrayClass the class whose scale factor should be returned. + * @return the scale factor, or zero if not supported for this array class. + */ + public native int arrayIndexScale(Class arrayClass); + + /** + * Releases the block on a thread created by + * <a href="#park"><code>park</code></a>. This method can also be used + * to terminate a blockage caused by a prior call to <code>park</code>. + * This operation is unsafe, as the thread must be guaranteed to be + * live. This is true of Java, but not native code. + * + * @param thread the thread to unblock. + */ + public native void unpark(Thread thread); + + /** + * Blocks the thread until a matching + * <a href="#unpark"><code>unpark</code></a> occurs, the thread is + * interrupted or the optional timeout expires. If an <code>unpark</code> + * call has already occurred, this also counts. A timeout value of zero + * is defined as no timeout. When <code>isAbsolute</code> is + * <code>true</code>, the timeout is in milliseconds relative to the + * epoch. Otherwise, the value is the number of nanoseconds which must + * occur before timeout. This call may also return spuriously (i.e. + * for no apparent reason). + * + * @param isAbsolute true if the timeout is specified in milliseconds from + * the epoch. + * @param time either the number of nanoseconds to wait, or a time in + * milliseconds from the epoch to wait for. + */ + public native void park(boolean isAbsolute, long time); + +} diff --git a/libjava/sun/misc/natUnsafe.cc b/libjava/sun/misc/natUnsafe.cc new file mode 100644 index 000000000..0bd2d21ea --- /dev/null +++ b/libjava/sun/misc/natUnsafe.cc @@ -0,0 +1,253 @@ +// natUnsafe.cc - Implementation of sun.misc.Unsafe native methods. + +/* Copyright (C) 2006, 2007 + Free Software Foundation + + This file is part of libgcj. + +This software is copyrighted work licensed under the terms of the +Libgcj License. Please consult the file "LIBGCJ_LICENSE" for +details. */ + +#include <gcj/cni.h> +#include <gcj/field.h> +#include <gcj/javaprims.h> +#include <jvm.h> +#include <sun/misc/Unsafe.h> +#include <java/lang/System.h> +#include <java/lang/InterruptedException.h> + +#include <java/lang/Thread.h> +#include <java/lang/Long.h> + +#include "sysdep/locks.h" + +// Use a spinlock for multi-word accesses +class spinlock +{ + static volatile obj_addr_t lock; + +public: + +spinlock () + { + while (! compare_and_swap (&lock, 0, 1)) + _Jv_ThreadYield (); + } + ~spinlock () + { + release_set (&lock, 0); + } +}; + +// This is a single lock that is used for all synchronized accesses if +// the compiler can't generate inline compare-and-swap operations. In +// most cases it'll never be used, but the i386 needs it for 64-bit +// locked accesses and so does PPC32. It's worth building libgcj with +// target=i486 (or above) to get the inlines. +volatile obj_addr_t spinlock::lock; + + +static inline bool +compareAndSwap (volatile jint *addr, jint old, jint new_val) +{ + jboolean result = false; + spinlock lock; + if ((result = (*addr == old))) + *addr = new_val; + return result; +} + +static inline bool +compareAndSwap (volatile jlong *addr, jlong old, jlong new_val) +{ + jboolean result = false; + spinlock lock; + if ((result = (*addr == old))) + *addr = new_val; + return result; +} + +static inline bool +compareAndSwap (volatile jobject *addr, jobject old, jobject new_val) +{ + jboolean result = false; + spinlock lock; + if ((result = (*addr == old))) + *addr = new_val; + return result; +} + + +jlong +sun::misc::Unsafe::objectFieldOffset (::java::lang::reflect::Field *field) +{ + _Jv_Field *fld = _Jv_FromReflectedField (field); + // FIXME: what if it is not an instance field? + return fld->getOffset(); +} + +jint +sun::misc::Unsafe::arrayBaseOffset (jclass arrayClass) +{ + // FIXME: assert that arrayClass is array. + jclass eltClass = arrayClass->getComponentType(); + return (jint)(jlong) _Jv_GetArrayElementFromElementType (NULL, eltClass); +} + +jint +sun::misc::Unsafe::arrayIndexScale (jclass arrayClass) +{ + // FIXME: assert that arrayClass is array. + jclass eltClass = arrayClass->getComponentType(); + if (eltClass->isPrimitive()) + return eltClass->size(); + return sizeof (void *); +} + +// These methods are used when the compiler fails to generate inline +// versions of the compare-and-swap primitives. + +jboolean +sun::misc::Unsafe::compareAndSwapInt (jobject obj, jlong offset, + jint expect, jint update) +{ + jint *addr = (jint *)((char *)obj + offset); + return compareAndSwap (addr, expect, update); +} + +jboolean +sun::misc::Unsafe::compareAndSwapLong (jobject obj, jlong offset, + jlong expect, jlong update) +{ + volatile jlong *addr = (jlong*)((char *) obj + offset); + return compareAndSwap (addr, expect, update); +} + +jboolean +sun::misc::Unsafe::compareAndSwapObject (jobject obj, jlong offset, + jobject expect, jobject update) +{ + jobject *addr = (jobject*)((char *) obj + offset); + return compareAndSwap (addr, expect, update); +} + +void +sun::misc::Unsafe::putOrderedInt (jobject obj, jlong offset, jint value) +{ + volatile jint *addr = (jint *) ((char *) obj + offset); + *addr = value; +} + +void +sun::misc::Unsafe::putOrderedLong (jobject obj, jlong offset, jlong value) +{ + volatile jlong *addr = (jlong *) ((char *) obj + offset); + spinlock lock; + *addr = value; +} + +void +sun::misc::Unsafe::putOrderedObject (jobject obj, jlong offset, jobject value) +{ + volatile jobject *addr = (jobject *) ((char *) obj + offset); + *addr = value; +} + +void +sun::misc::Unsafe::putIntVolatile (jobject obj, jlong offset, jint value) +{ + write_barrier (); + volatile jint *addr = (jint *) ((char *) obj + offset); + *addr = value; +} + +void +sun::misc::Unsafe::putLongVolatile (jobject obj, jlong offset, jlong value) +{ + volatile jlong *addr = (jlong *) ((char *) obj + offset); + spinlock lock; + *addr = value; +} + +void +sun::misc::Unsafe::putObjectVolatile (jobject obj, jlong offset, jobject value) +{ + write_barrier (); + volatile jobject *addr = (jobject *) ((char *) obj + offset); + *addr = value; +} + +#if 0 // FIXME +void +sun::misc::Unsafe::putInt (jobject obj, jlong offset, jint value) +{ + jint *addr = (jint *) ((char *) obj + offset); + *addr = value; +} +#endif + +void +sun::misc::Unsafe::putLong (jobject obj, jlong offset, jlong value) +{ + jlong *addr = (jlong *) ((char *) obj + offset); + spinlock lock; + *addr = value; +} + +void +sun::misc::Unsafe::putObject (jobject obj, jlong offset, jobject value) +{ + jobject *addr = (jobject *) ((char *) obj + offset); + *addr = value; +} + +jint +sun::misc::Unsafe::getIntVolatile (jobject obj, jlong offset) +{ + volatile jint *addr = (jint *) ((char *) obj + offset); + jint result = *addr; + read_barrier (); + return result; +} + +jobject +sun::misc::Unsafe::getObjectVolatile (jobject obj, jlong offset) +{ + volatile jobject *addr = (jobject *) ((char *) obj + offset); + jobject result = *addr; + read_barrier (); + return result; +} + +jlong +sun::misc::Unsafe::getLong (jobject obj, jlong offset) +{ + jlong *addr = (jlong *) ((char *) obj + offset); + spinlock lock; + return *addr; +} + +jlong +sun::misc::Unsafe::getLongVolatile (jobject obj, jlong offset) +{ + volatile jlong *addr = (jlong *) ((char *) obj + offset); + spinlock lock; + return *addr; +} + +void +sun::misc::Unsafe::unpark (::java::lang::Thread *thread) +{ + natThread *nt = (natThread *) thread->data; + nt->park_helper.unpark (); +} + +void +sun::misc::Unsafe::park (jboolean isAbsolute, jlong time) +{ + using namespace ::java::lang; + Thread *thread = Thread::currentThread(); + natThread *nt = (natThread *) thread->data; + nt->park_helper.park (isAbsolute, time); +} diff --git a/libjava/sun/reflect/Reflection.h b/libjava/sun/reflect/Reflection.h new file mode 100644 index 000000000..7f3c82fe7 --- /dev/null +++ b/libjava/sun/reflect/Reflection.h @@ -0,0 +1,30 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_Reflection__ +#define __sun_reflect_Reflection__ + +#pragma interface + +#include <java/lang/Object.h> +extern "Java" +{ + namespace sun + { + namespace reflect + { + class Reflection; + } + } +} + +class sun::reflect::Reflection : public ::java::lang::Object +{ + +public: + Reflection(); + static ::java::lang::Class * getCallerClass(jint); + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_Reflection__ diff --git a/libjava/sun/reflect/Reflection.java b/libjava/sun/reflect/Reflection.java new file mode 100644 index 000000000..ef25ce71f --- /dev/null +++ b/libjava/sun/reflect/Reflection.java @@ -0,0 +1,51 @@ +/* Reflection.java - JSR 166 reflection hooks + Copyright (C) 2006 Free Software Foundation + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package sun.reflect; + +import gnu.classpath.VMStackWalker; + +public class Reflection +{ + /** + * A stack-walking wrapper method used by the JSR 166 RI. + */ + public static Class getCallerClass(int depth) + { + return VMStackWalker.getClassContext()[depth]; + } +} diff --git a/libjava/sun/reflect/annotation/AnnotationInvocationHandler.h b/libjava/sun/reflect/annotation/AnnotationInvocationHandler.h new file mode 100644 index 000000000..356c8a029 --- /dev/null +++ b/libjava/sun/reflect/annotation/AnnotationInvocationHandler.h @@ -0,0 +1,55 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_annotation_AnnotationInvocationHandler__ +#define __sun_reflect_annotation_AnnotationInvocationHandler__ + +#pragma interface + +#include <java/lang/Object.h> +#include <gcj/array.h> + +extern "Java" +{ + namespace sun + { + namespace reflect + { + namespace annotation + { + class AnnotationInvocationHandler; + } + } + } +} + +class sun::reflect::annotation::AnnotationInvocationHandler : public ::java::lang::Object +{ + +public: + AnnotationInvocationHandler(::java::lang::Class *, ::java::util::Map *); + static ::java::lang::annotation::Annotation * create(::java::lang::Class *, ::java::util::Map *); + jboolean equals(::java::lang::Object *, ::java::lang::Object *); +private: + static jboolean deepEquals(::java::lang::Object *, ::java::lang::Object *); + static jint deepHashCode(::java::lang::Object *); +public: + jint hashCode(); +private: + static ::java::lang::String * deepToString(::java::lang::Object *); +public: + ::java::lang::String * toString(); +private: + static ::java::lang::Class * getBoxedReturnType(::java::lang::reflect::Method *); + ::java::lang::Object * coerce(::java::lang::Object *, ::java::lang::Class *); +public: + ::java::lang::Object * invoke(::java::lang::Object *, ::java::lang::reflect::Method *, JArray< ::java::lang::Object * > *); +private: + static const jlong serialVersionUID = 6182022883658399397LL; + ::java::lang::Class * __attribute__((aligned(__alignof__( ::java::lang::Object)))) type; + ::java::util::Map * memberValues; +public: + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_annotation_AnnotationInvocationHandler__ diff --git a/libjava/sun/reflect/annotation/AnnotationInvocationHandler.java b/libjava/sun/reflect/annotation/AnnotationInvocationHandler.java new file mode 100644 index 000000000..f883faa16 --- /dev/null +++ b/libjava/sun/reflect/annotation/AnnotationInvocationHandler.java @@ -0,0 +1,441 @@ +/* sun.reflect.annotation.AnnotationInvocationHandler + Copyright (C) 2006, 2007 + Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package sun.reflect.annotation; + +import java.io.Serializable; +import java.lang.annotation.Annotation; +import java.lang.annotation.AnnotationTypeMismatchException; +import java.lang.annotation.IncompleteAnnotationException; +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; +import java.lang.reflect.Array; +import java.util.Arrays; +import java.util.Iterator; +import java.util.Map; + +/** + * This class exists for serialization compatibility with the JDK. + * VMs can choose to implement annotations by constructing proxies + * with this invocation handler, but that is not required. + * If a different strategy for proxy objects is chosen, they can + * have a writeReplace method to substitute a Proxy based on this + * invocation handler is used for serialization. + */ +public final class AnnotationInvocationHandler + implements InvocationHandler, Serializable +{ + private static final long serialVersionUID = 6182022883658399397L; + private final Class<? extends Annotation> type; + private final Map<String, ?> memberValues; + + /** + * Construct a new invocation handler for an annotation proxy. + * Note that the VM is responsible for filling the memberValues map + * with the default values of all the annotation members. + */ + public AnnotationInvocationHandler(Class<? extends Annotation> type, Map memberValues) + { + this.type = type; + this.memberValues = (Map<String, ?>)memberValues; + } + + public static Annotation create(Class<? extends Annotation> type, Map memberValues) + { + for (Method m : type.getDeclaredMethods()) + { + String name = m.getName(); + if (! memberValues.containsKey(name)) + { + // FIXME: what to do about exceptions here? + memberValues.put(name, m.getDefaultValue()); + } + } + AnnotationInvocationHandler handler + = new AnnotationInvocationHandler(type, memberValues); + return (Annotation) Proxy.newProxyInstance(type.getClassLoader(), + new Class[] { type }, + handler); + } + + /** + * Compare an instance of AnnotationInvocationHandler with another object. + * Note that the other object does not have to be an + * AnnotationInvocationHandler, any implementation of the annotation + * interface is allowed to be compared for equality. + * Note that this makes the equals method asymmetric, but this behavior + * is specified by Annotation.equals and identical to the JDK. + * + * This method is public for use by other parts of the VM. Some VMs + * (can) use different representations of annotations that reuse this + * method. + */ + public boolean equals(Object proxy, Object other) + { + if (type.isInstance(other)) + { + try + { + Method[] methods = type.getDeclaredMethods(); + if (methods.length == memberValues.size()) + { + for (int i = 0; i < methods.length; i++) + { + String key = methods[i].getName(); + Object val = methods[i].invoke(other, (Object[])null); + Object thisVal + = invoke(proxy, + methods[i], + (Object[])null); + if (! deepEquals(thisVal, val)) + { + return false; + } + } + return true; + } + } + catch (Throwable _) + { + // Ignore exception, like the JDK + } + } + return false; + } + + private static boolean deepEquals(Object o1, Object o2) + { + if (o1 == o2) + return true; + + if (o1 == null || o2 == null) + return false; + + if (o1 instanceof boolean[] && o2 instanceof boolean[]) + return Arrays.equals((boolean[]) o1, (boolean[]) o2); + + if (o1 instanceof byte[] && o2 instanceof byte[]) + return Arrays.equals((byte[]) o1, (byte[]) o2); + + if (o1 instanceof char[] && o2 instanceof char[]) + return Arrays.equals((char[]) o1, (char[]) o2); + + if (o1 instanceof short[] && o2 instanceof short[]) + return Arrays.equals((short[]) o1, (short[]) o2); + + if (o1 instanceof int[] && o2 instanceof int[]) + return Arrays.equals((int[]) o1, (int[]) o2); + + if (o1 instanceof float[] && o2 instanceof float[]) + return Arrays.equals((float[]) o1, (float[]) o2); + + if (o1 instanceof long[] && o2 instanceof long[]) + return Arrays.equals((long[]) o1, (long[]) o2); + + if (o1 instanceof double[] && o2 instanceof double[]) + return Arrays.equals((double[]) o1, (double[]) o2); + + if (o1 instanceof Object[] && o2 instanceof Object[]) + return Arrays.equals((Object[]) o1, (Object[]) o2); + + return o1.equals(o2); + } + + private static int deepHashCode(Object obj) + { + if (obj instanceof boolean[]) + return Arrays.hashCode((boolean[]) obj); + + if (obj instanceof byte[]) + return Arrays.hashCode((byte[]) obj); + + if (obj instanceof char[]) + return Arrays.hashCode((char[]) obj); + + if (obj instanceof short[]) + return Arrays.hashCode((short[]) obj); + + if (obj instanceof int[]) + return Arrays.hashCode((int[]) obj); + + if (obj instanceof float[]) + return Arrays.hashCode((float[]) obj); + + if (obj instanceof long[]) + return Arrays.hashCode((long[]) obj); + + if (obj instanceof double[]) + return Arrays.hashCode((double[]) obj); + + if (obj instanceof Object[]) + return Arrays.hashCode((Object[]) obj); + + return obj.hashCode(); + } + + /** + * Compute the hashCode for an annotation. Note that the algorithm is + * specified by Annotation.hashCode. + * + * This method is public for use by other parts of the VM. Some VMs + * (can) use different representations of annotations that reuse this + * method. + */ + public int hashCode() + { + int h = 0; + Iterator iter = memberValues.keySet().iterator(); + while (iter.hasNext()) + { + Object key = iter.next(); + try + { + Object val + = invoke(null, + type.getDeclaredMethod((String)key, (Class[])null), + (Object[])null); + h += deepHashCode(val) ^ 127 * key.hashCode(); + } + catch (Throwable _) + { + } + } + return h; + } + + private static String deepToString(Object obj) + { + if (obj instanceof Object[]) + return Arrays.toString((Object[]) obj); + + return obj.toString(); + } + + /** + * This method is public for use by other parts of the VM. Some VMs + * (can) use different representations of annotations that reuse this + * method. + */ + public String toString() + { + StringBuffer sb = new StringBuffer(); + sb.append('@').append(type.getName()).append('('); + String sep = ""; + Iterator iter = memberValues.keySet().iterator(); + while (iter.hasNext()) + { + Object key = iter.next(); + Object val = memberValues.get(key); + sb.append(sep).append(key).append('=').append(deepToString(val)); + sep = ", "; + } + sb.append(')'); + return sb.toString(); + } + + + private static Class getBoxedReturnType(Method method) + { + Class returnType = method.getReturnType(); + + if (returnType == boolean.class) + return Boolean.class; + + if (returnType == byte.class) + return Byte.class; + + if (returnType == char.class) + return Character.class; + + if (returnType == short.class) + return Short.class; + + if (returnType == int.class) + return Integer.class; + + if (returnType == float.class) + return Float.class; + + if (returnType == long.class) + return Long.class; + + if (returnType == double.class) + return Double.class; + + return returnType; + } + + // This is slightly awkward. When the value of an annotation is an + // array, libgcj constructs an Object[], but the value() method + // returns an arrays of the appropriate primitive type. We should + // perhaps save the resulting array rather than the Object[]. + + private Object coerce(Object val, Class dstType) + throws ArrayStoreException + { + if (! val.getClass().isArray()) + return val; + + Object[] srcArray = (Object[])val; + final int len = srcArray.length; + + if (dstType.getComponentType().isPrimitive()) + { + if (dstType == boolean[].class) + { + boolean[] dst = new boolean[len]; + for (int i = 0; i < len; i++) + dst[i] = (Boolean)srcArray[i]; + return dst; + } + + if (dstType == byte[].class) + { + byte[] dst = new byte[len]; + for (int i = 0; i < len; i++) + dst[i] = (Byte)srcArray[i]; + return dst; + } + + if (dstType == char[].class) + { + char[] dst = new char[len]; + for (int i = 0; i < len; i++) + dst[i] = (Character)srcArray[i]; + return dst; + } + + if (dstType == short[].class) + { + short[] dst = new short[len]; + for (int i = 0; i < len; i++) + dst[i] = (Short)srcArray[i]; + return dst; + } + + if (dstType == int[].class) + { + int[] dst = new int[len]; + for (int i = 0; i < len; i++) + dst[i] = (Integer)srcArray[i]; + return dst; + } + + if (dstType == long[].class) + { + long[] dst = new long[len]; + for (int i = 0; i < len; i++) + dst[i] = (Long)srcArray[i]; + return dst; + } + + if (dstType == float[].class) + { + float[] dst = new float[len]; + for (int i = 0; i < len; i++) + dst[i] = (Float)srcArray[i]; + return dst; + } + + if (dstType == double[].class) + { + double[] dst = new double[len]; + for (int i = 0; i < len; i++) + dst[i] = (Double)srcArray[i]; + return dst; + } + } + + Object dst = Array.newInstance(dstType.getComponentType(), len); + System.arraycopy((Object)srcArray, 0, dst, 0, len); + return dst; + } + + public Object invoke(Object proxy, Method method, Object[] args) + throws Throwable + { + String methodName = method.getName().intern(); + + if (args == null || args.length == 0) + { + if (methodName == "toString") + { + return toString(); + } + else if (methodName == "hashCode") + { + return Integer.valueOf(hashCode()); + } + else if (methodName == "annotationType") + { + return type; + } + else + { + Object val = memberValues.get(methodName); + if (val == null) + { + throw new IncompleteAnnotationException(type, methodName); + } + try + { + if (val.getClass().isArray()) + val = coerce((Object[])val, method.getReturnType()); + } + catch (ArrayStoreException _) + { + throw new AnnotationTypeMismatchException + (method, val.getClass().getName()); + } + if (! getBoxedReturnType(method).isInstance(val)) + throw (new AnnotationTypeMismatchException + (method, val.getClass().getName())); + return val; + } + } + else if (args.length == 1) + { + if (methodName == "equals") + { + return Boolean.valueOf(equals(proxy, args[0])); + } + } + throw new InternalError("Invalid annotation proxy"); + } +} diff --git a/libjava/sun/reflect/annotation/AnnotationParser.h b/libjava/sun/reflect/annotation/AnnotationParser.h new file mode 100644 index 000000000..d5ca9737a --- /dev/null +++ b/libjava/sun/reflect/annotation/AnnotationParser.h @@ -0,0 +1,33 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_annotation_AnnotationParser__ +#define __sun_reflect_annotation_AnnotationParser__ + +#pragma interface + +#include <java/lang/Object.h> +extern "Java" +{ + namespace sun + { + namespace reflect + { + namespace annotation + { + class AnnotationParser; + } + } + } +} + +class sun::reflect::annotation::AnnotationParser : public ::java::lang::Object +{ + +public: + AnnotationParser(); + static ::java::lang::annotation::Annotation * annotationForMap(::java::lang::Class *, ::java::util::Map *); + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_annotation_AnnotationParser__ diff --git a/libjava/sun/reflect/annotation/AnnotationType.h b/libjava/sun/reflect/annotation/AnnotationType.h new file mode 100644 index 000000000..3d21e0f14 --- /dev/null +++ b/libjava/sun/reflect/annotation/AnnotationType.h @@ -0,0 +1,33 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_annotation_AnnotationType__ +#define __sun_reflect_annotation_AnnotationType__ + +#pragma interface + +#include <java/lang/Object.h> +extern "Java" +{ + namespace sun + { + namespace reflect + { + namespace annotation + { + class AnnotationType; + } + } + } +} + +class sun::reflect::annotation::AnnotationType : public ::java::lang::Object +{ + +public: + AnnotationType(); + static ::java::lang::Class * invocationHandlerReturnType(::java::lang::Class *); + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_annotation_AnnotationType__ diff --git a/libjava/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.h b/libjava/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.h new file mode 100644 index 000000000..63d853b5d --- /dev/null +++ b/libjava/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.h @@ -0,0 +1,32 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_annotation_EnumConstantNotPresentExceptionProxy__ +#define __sun_reflect_annotation_EnumConstantNotPresentExceptionProxy__ + +#pragma interface + +#include <sun/reflect/annotation/ExceptionProxy.h> +extern "Java" +{ + namespace sun + { + namespace reflect + { + namespace annotation + { + class EnumConstantNotPresentExceptionProxy; + } + } + } +} + +class sun::reflect::annotation::EnumConstantNotPresentExceptionProxy : public ::sun::reflect::annotation::ExceptionProxy +{ + +public: + EnumConstantNotPresentExceptionProxy(::java::lang::Class *, ::java::lang::String *); + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_annotation_EnumConstantNotPresentExceptionProxy__ diff --git a/libjava/sun/reflect/annotation/ExceptionProxy.h b/libjava/sun/reflect/annotation/ExceptionProxy.h new file mode 100644 index 000000000..ca6a3cd69 --- /dev/null +++ b/libjava/sun/reflect/annotation/ExceptionProxy.h @@ -0,0 +1,32 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_annotation_ExceptionProxy__ +#define __sun_reflect_annotation_ExceptionProxy__ + +#pragma interface + +#include <java/lang/Object.h> +extern "Java" +{ + namespace sun + { + namespace reflect + { + namespace annotation + { + class ExceptionProxy; + } + } + } +} + +class sun::reflect::annotation::ExceptionProxy : public ::java::lang::Object +{ + +public: + ExceptionProxy(); + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_annotation_ExceptionProxy__ diff --git a/libjava/sun/reflect/misc/ReflectUtil$MustBeNull.h b/libjava/sun/reflect/misc/ReflectUtil$MustBeNull.h new file mode 100644 index 000000000..a2e7494d8 --- /dev/null +++ b/libjava/sun/reflect/misc/ReflectUtil$MustBeNull.h @@ -0,0 +1,32 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_misc_ReflectUtil$MustBeNull__ +#define __sun_reflect_misc_ReflectUtil$MustBeNull__ + +#pragma interface + +#include <java/lang/Object.h> +extern "Java" +{ + namespace sun + { + namespace reflect + { + namespace misc + { + class ReflectUtil$MustBeNull; + } + } + } +} + +class sun::reflect::misc::ReflectUtil$MustBeNull : public ::java::lang::Object +{ + + ReflectUtil$MustBeNull(); +public: + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_misc_ReflectUtil$MustBeNull__ diff --git a/libjava/sun/reflect/misc/ReflectUtil.h b/libjava/sun/reflect/misc/ReflectUtil.h new file mode 100644 index 000000000..91c0b64b2 --- /dev/null +++ b/libjava/sun/reflect/misc/ReflectUtil.h @@ -0,0 +1,35 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_misc_ReflectUtil__ +#define __sun_reflect_misc_ReflectUtil__ + +#pragma interface + +#include <java/lang/Object.h> +extern "Java" +{ + namespace sun + { + namespace reflect + { + namespace misc + { + class ReflectUtil; + class ReflectUtil$MustBeNull; + } + } + } +} + +class sun::reflect::misc::ReflectUtil : public ::java::lang::Object +{ + +public: + ReflectUtil(); + static void checkPackageAccess(::java::lang::Class *); + static void ensureMemberAccess(::java::lang::Class *, ::java::lang::Class *, ::sun::reflect::misc::ReflectUtil$MustBeNull *, jint); + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_misc_ReflectUtil__ diff --git a/libjava/sun/reflect/misc/ReflectUtil.java b/libjava/sun/reflect/misc/ReflectUtil.java new file mode 100644 index 000000000..88a6f2515 --- /dev/null +++ b/libjava/sun/reflect/misc/ReflectUtil.java @@ -0,0 +1,113 @@ +/* ReflectUtil.java - JSR 166 reflection hooks + Copyright (C) 2006 Free Software Foundation + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package sun.reflect.misc; + +import java.lang.reflect.Modifier; + +public class ReflectUtil +{ + // We use this inaccessible inner class as an argument type + // in verifyMemberAccess. All current users of this method + // in the JSR 166 RI pass 'null' for this argument, and + // consequently we don't know what it means. Using a funny + // type like this for the argument means that if the RI changes, + // we will see a compilation error. + private static class MustBeNull + { + } + + /** + * Check if the current thread is allowed to access the package of + * the declaringClass. + * + * @param declaringClass class name to check access to + * @throws SecurityException if permission is denied + * @throws NullPointerException if declaringClass is null + */ + public static void checkPackageAccess(Class declaringClass) + { + SecurityManager sm; + if ((sm = System.getSecurityManager()) != null) + { + while (declaringClass.isArray()) + declaringClass = declaringClass.getComponentType(); + String name = declaringClass.getName(); + int i = name.lastIndexOf('.'); + if (i != -1) // if declaringClass is a member of a package + { + name = name.substring(0, i); + sm.checkPackageAccess(name); + } + } + } + + /** + * Perform access checks on a member of a class. This API is + * derived from the public domain code in the JSR 166 reference + * implementation. + * @param caller the class requesting access to the member + * @param declarer the declaring class of the member + * @param ignored unknown parameter; always null + * @param modifiers the modifiers on the member + * @return true if access is granted, false otherwise + */ + public static void ensureMemberAccess(Class caller, + Class declarer, + MustBeNull ignored, + int modifiers) + { + // Same class, always ok. + if (caller == declarer) + return; + // Public access is ok. + if ((modifiers & Modifier.PUBLIC) != 0) + return; + // Protected access and request comes from + // a subclass of the declarer -- ok. + if ((modifiers & Modifier.PROTECTED) != 0 + && declarer.isAssignableFrom(caller)) + return; + // Package-private access, or protected access, + // and the packages are the same --ok. + if ((modifiers & Modifier.PRIVATE) == 0 + && caller.getPackage() == declarer.getPackage()) + return; + // Otherwise, no. + throw new IllegalAccessError(); + } +} |