/* src/native/vm/sun_misc_Unsafe.c - sun/misc/Unsafe
- Copyright (C) 2006, 2007 R. Grafl, A. Krall, C. Kruegel, C. Oates,
- R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
- C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
- Institut f. Computersprachen - TU Wien
+ Copyright (C) 2006, 2007, 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id: java_lang_VMObject.c 5153 2006-07-18 08:19:24Z twisti $
-
*/
#include "config.h"
-#include "vm/types.h"
+
+#include <stdint.h>
+#include <unistd.h>
+
+#include "machine-instr.h"
+
+#include "mm/memory.h"
#include "native/jni.h"
+#include "native/llni.h"
#include "native/native.h"
-#include "native/include/java_lang_Object.h"
+#include "native/include/java_lang_Object.h" /* before c.l.C */
+#include "native/include/java_lang_String.h" /* required by j.l.CL */
+
+#if defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
+# include "native/include/java_nio_ByteBuffer.h" /* required by j.l.CL */
+#endif
+
+#include "native/include/java_lang_ClassLoader.h" /* required by j.l.C */
+#include "native/include/java_lang_Class.h"
#include "native/include/java_lang_reflect_Field.h"
#include "native/include/java_lang_Thread.h" /* required by s.m.U */
+#include "native/include/java_lang_Throwable.h"
+
+#if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
+# include "native/include/java_lang_reflect_VMField.h"
+#endif
+
+#include "native/include/java_security_ProtectionDomain.h" /* required by smU */
#include "native/include/sun_misc_Unsafe.h"
+#include "vm/builtin.h"
+#include "vm/exceptions.h"
+#include "vm/initialize.h"
+#include "vm/stringlocal.h"
+
+#include "vmcore/system.h"
+#include "vmcore/utf8.h"
+
/* native methods implemented by this file ************************************/
static JNINativeMethod methods[] = {
- { "objectFieldOffset", "(Ljava/lang/reflect/Field;)J", (void *) (ptrint) &Java_sun_misc_Unsafe_objectFieldOffset },
- { "compareAndSwapInt", "(Ljava/lang/Object;JII)Z", (void *) (ptrint) &Java_sun_misc_Unsafe_compareAndSwapInt },
+ { "registerNatives", "()V", (void *) (intptr_t) &Java_sun_misc_Unsafe_registerNatives },
+ { "getInt", "(Ljava/lang/Object;J)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_getInt__Ljava_lang_Object_2J },
+ { "putInt", "(Ljava/lang/Object;JI)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putInt__Ljava_lang_Object_2JI },
+ { "getObject", "(Ljava/lang/Object;J)Ljava/lang/Object;", (void *) (intptr_t) &Java_sun_misc_Unsafe_getObject },
+ { "putObject", "(Ljava/lang/Object;JLjava/lang/Object;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putObject },
+ { "getBoolean", "(Ljava/lang/Object;J)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_getBoolean },
+ { "putBoolean", "(Ljava/lang/Object;JZ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putBoolean },
+ { "getByte", "(Ljava/lang/Object;J)B", (void *) (intptr_t) &Java_sun_misc_Unsafe_getByte__Ljava_lang_Object_2J },
+ { "putByte", "(Ljava/lang/Object;JB)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putByte__Ljava_lang_Object_2JB },
+ { "getShort", "(Ljava/lang/Object;J)S", (void *) (intptr_t) &Java_sun_misc_Unsafe_getShort__Ljava_lang_Object_2J },
+ { "putShort", "(Ljava/lang/Object;JS)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putShort__Ljava_lang_Object_2JS },
+ { "getChar", "(Ljava/lang/Object;J)C", (void *) (intptr_t) &Java_sun_misc_Unsafe_getChar__Ljava_lang_Object_2J },
+ { "putChar", "(Ljava/lang/Object;JC)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putChar__Ljava_lang_Object_2JC },
+ { "getLong", "(Ljava/lang/Object;J)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_getLong__Ljava_lang_Object_2J },
+ { "putLong", "(Ljava/lang/Object;JJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putLong__Ljava_lang_Object_2JJ },
+ { "getFloat", "(Ljava/lang/Object;J)F", (void *) (intptr_t) &Java_sun_misc_Unsafe_getFloat__Ljava_lang_Object_2J },
+ { "putFloat", "(Ljava/lang/Object;JF)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF },
+ { "getDouble", "(Ljava/lang/Object;J)D", (void *) (intptr_t) &Java_sun_misc_Unsafe_getDouble__Ljava_lang_Object_2J },
+ { "putDouble", "(Ljava/lang/Object;JD)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putDouble__Ljava_lang_Object_2JD },
+ { "getByte", "(J)B", (void *) (intptr_t) &Java_sun_misc_Unsafe_getByte__J },
+ { "putByte", "(JB)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putByte__JB },
+ { "getShort", "(J)S", (void *) (intptr_t) &Java_sun_misc_Unsafe_getShort__J },
+ { "putShort", "(JS)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putShort__JS },
+ { "getChar", "(J)C", (void *) (intptr_t) &Java_sun_misc_Unsafe_getChar__J },
+ { "putChar", "(JC)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putChar__JC },
+ { "getInt", "(J)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_getInt__J },
+ { "putInt", "(JI)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putInt__JI },
+ { "getLong", "(J)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_getLong__J },
+ { "putLong", "(JJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putLong__JJ },
+ { "getFloat", "(J)F", (void *) (intptr_t) &Java_sun_misc_Unsafe_getFloat__J },
+ { "objectFieldOffset", "(Ljava/lang/reflect/Field;)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_objectFieldOffset },
+ { "allocateMemory", "(J)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_allocateMemory },
#if 0
- { "compareAndSwapLong", "(Ljava/lang/Object;JJJ)Z", (void *) (ptrint) &Java_sun_misc_Unsafe_compareAndSwapLong },
- { "compareAndSwapObject", "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", (void *) (ptrint) &Java_sun_misc_Unsafe_compareAndSwapObject },
- { "putOrderedInt", "(Ljava/lang/Object;JI)V", (void *) (ptrint) &Java_sun_misc_Unsafe_putOrderedInt },
- { "putOrderedLong", "(Ljava/lang/Object;JJ)V", (void *) (ptrint) &Java_sun_misc_Unsafe_putOrderedLong },
- { "putOrderedObject", "(Ljava/lang/Object;JLjava/lang/Object;)V", (void *) (ptrint) &Java_sun_misc_Unsafe_putOrderedObject },
- { "putIntVolatile", "(Ljava/lang/Object;JI)V", (void *) (ptrint) &Java_sun_misc_Unsafe_putIntVolatile },
- { "getIntVolatile", "(Ljava/lang/Object;J)I", (void *) (ptrint) &Java_sun_misc_Unsafe_getIntVolatile },
- { "putLongVolatile", "(Ljava/lang/Object;JJ)V", (void *) (ptrint) &Java_sun_misc_Unsafe_putLongVolatile },
- { "putLong", "(Ljava/lang/Object;JJ)V", (void *) (ptrint) &Java_sun_misc_Unsafe_putLong },
- { "getLongVolatile", "(Ljava/lang/Object;J)J", (void *) (ptrint) &Java_sun_misc_Unsafe_getLongVolatile },
- { "getLong", "(Ljava/lang/Object;J)J", (void *) (ptrint) &Java_sun_misc_Unsafe_getLong },
- { "putObjectVolatile", "(Ljava/lang/Object;JLjava/lang/Object;)V", (void *) (ptrint) &Java_sun_misc_Unsafe_putObjectVolatile },
- { "putObject", "(Ljava/lang/Object;JLjava/lang/Object;)V", (void *) (ptrint) &Java_sun_misc_Unsafe_putObject },
- { "getObjectVolatile", "(Ljava/lang/Object;J)Ljava/lang/Object;", (void *) (ptrint) &Java_sun_misc_Unsafe_getObjectVolatile },
- { "arrayBaseOffset", "(Ljava/lang/Class;)I", (void *) (ptrint) &Java_sun_misc_Unsafe_arrayBaseOffset },
- { "arrayIndexScale", "(Ljava/lang/Class;)I", (void *) (ptrint) &Java_sun_misc_Unsafe_arrayIndexScale },
- { "unpark", "(Ljava/lang/Thread;)V", (void *) (ptrint) &Java_sun_misc_Unsafe_unpark },
- { "park", "(ZJ)V", (void *) (ptrint) &Java_sun_misc_Unsafe_park },
+ /* OpenJDK 7 */
+ { "setMemory", "(Ljava/lang/Object;JJB)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_setMemory },
+ { "copyMemory", "(Ljava/lang/Object;JLjava/lang/Object;JJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_copyMemory },
+#else
+ { "setMemory", "(JJB)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_setMemory },
+ { "copyMemory", "(JJJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_copyMemory },
#endif
+ { "freeMemory", "(J)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_freeMemory },
+ { "staticFieldOffset", "(Ljava/lang/reflect/Field;)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_staticFieldOffset },
+ { "staticFieldBase", "(Ljava/lang/reflect/Field;)Ljava/lang/Object;", (void *) (intptr_t) &Java_sun_misc_Unsafe_staticFieldBase },
+ { "ensureClassInitialized", "(Ljava/lang/Class;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_ensureClassInitialized },
+ { "arrayBaseOffset", "(Ljava/lang/Class;)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_arrayBaseOffset },
+ { "arrayIndexScale", "(Ljava/lang/Class;)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_arrayIndexScale },
+ { "addressSize", "()I", (void *) (intptr_t) &Java_sun_misc_Unsafe_addressSize },
+ { "pageSize", "()I", (void *) (intptr_t) &Java_sun_misc_Unsafe_pageSize },
+ { "defineClass", "(Ljava/lang/String;[BIILjava/lang/ClassLoader;Ljava/security/ProtectionDomain;)Ljava/lang/Class;", (void *) (intptr_t) &Java_sun_misc_Unsafe_defineClass__Ljava_lang_String_2_3BIILjava_lang_ClassLoader_2Ljava_security_ProtectionDomain_2 },
+ { "allocateInstance", "(Ljava/lang/Class;)Ljava/lang/Object;", (void *) (intptr_t) &Java_sun_misc_Unsafe_allocateInstance },
+ { "throwException", "(Ljava/lang/Throwable;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_throwException },
+ { "compareAndSwapObject", "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapObject },
+ { "compareAndSwapInt", "(Ljava/lang/Object;JII)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapInt },
+ { "compareAndSwapLong", "(Ljava/lang/Object;JJJ)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapLong },
+ { "getObjectVolatile", "(Ljava/lang/Object;J)Ljava/lang/Object;", (void *) (intptr_t) &Java_sun_misc_Unsafe_getObjectVolatile },
+ { "putObjectVolatile", "(Ljava/lang/Object;JLjava/lang/Object;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putObjectVolatile },
+ { "getIntVolatile", "(Ljava/lang/Object;J)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_getIntVolatile },
+ { "putIntVolatile", "(Ljava/lang/Object;JI)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putIntVolatile },
+ { "getLongVolatile", "(Ljava/lang/Object;J)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_getLongVolatile },
+ { "putLongVolatile", "(Ljava/lang/Object;JJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putLongVolatile },
+ { "putOrderedObject", "(Ljava/lang/Object;JLjava/lang/Object;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putOrderedObject },
+ { "putOrderedInt", "(Ljava/lang/Object;JI)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putOrderedInt },
+ { "putOrderedLong", "(Ljava/lang/Object;JJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putOrderedLong },
+ { "unpark", "(Ljava/lang/Object;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_unpark },
+ { "park", "(ZJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_park },
};
/*
* Class: sun/misc/Unsafe
- * Method: objectFieldOffset
- * Signature: (Ljava/lang/reflect/Field;)J
+ * Method: registerNatives
+ * Signature: ()V
*/
-JNIEXPORT s8 JNICALL Java_sun_misc_Unsafe_objectFieldOffset(JNIEnv *env, sun_misc_Unsafe* this, java_lang_reflect_Field* field)
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_registerNatives(JNIEnv *env, jclass clazz)
{
- classinfo *c;
- fieldinfo *f;
+ /* The native methods of this function are already registered in
+ _Jv_sun_misc_Unsafe_init() which is called during VM
+ startup. */
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: getInt
+ * Signature: (Ljava/lang/Object;J)I
+ */
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getInt__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
+{
+ int32_t *p;
+ int32_t value;
- c = (classinfo *) field->declaringClass;
- f = &c->fields[field->slot];
+ p = (int32_t *) (((uint8_t *) o) + offset);
- return (s8) f->offset;
+ value = *p;
+
+ return value;
}
/*
* Class: sun/misc/Unsafe
- * Method: compareAndSwapInt
- * Signature: (Ljava/lang/Object;JII)Z
+ * Method: putInt
+ * Signature: (Ljava/lang/Object;JI)V
*/
-JNIEXPORT s4 JNICALL Java_sun_misc_Unsafe_compareAndSwapInt(JNIEnv *env, sun_misc_Unsafe* this, java_lang_Object* obj, s8 offset, s4 expect, s4 update)
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putInt__Ljava_lang_Object_2JI(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
{
- s4 *p;
- s4 value;
+ int32_t *p;
- p = (s4 *) (((u1 *) obj) + offset);
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ *p = x;
+}
- /* XXX this should be atomic */
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: getObject
+ * Signature: (Ljava/lang/Object;J)Ljava/lang/Object;
+ */
+JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_getObject(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
+{
+ void **p;
+ void *value;
+
+ p = (void **) (((uint8_t *) o) + offset);
value = *p;
- if (value == expect) {
- *p = update;
+ return value;
+}
- return true;
- }
- return false;
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putObject
+ * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObject(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, java_lang_Object *x)
+{
+ void **p;
+
+ p = (void **) (((uint8_t *) o) + offset);
+
+ *p = (void *) x;
}
-#if 0
/*
* Class: sun/misc/Unsafe
- * Method: compareAndSwapLong
- * Signature: (Ljava/lang/Object;JJJ)Z
+ * Method: getBoolean
+ * Signature: (Ljava/lang/Object;J)Z
*/
-JNIEXPORT s4 JNICALL Java_sun_misc_Unsafe_compareAndSwapLong(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2, s8 par3, s8 par4)
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getBoolean(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
{
+ int32_t *p;
+ int32_t value;
+
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ value = *p;
+
+ return value;
}
/*
* Class: sun/misc/Unsafe
- * Method: compareAndSwapObject
- * Signature: (Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z
+ * Method: putBoolean
+ * Signature: (Ljava/lang/Object;JZ)V
*/
-JNIEXPORT s4 JNICALL Java_sun_misc_Unsafe_compareAndSwapObject(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2, struct java_lang_Object* par3, struct java_lang_Object* par4)
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putBoolean(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
{
+ int32_t *p;
+
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ *p = x;
}
/*
* Class: sun/misc/Unsafe
- * Method: putOrderedInt
- * Signature: (Ljava/lang/Object;JI)V
+ * Method: getByte
+ * Signature: (Ljava/lang/Object;J)B
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedInt(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2, s4 par3)
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getByte__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
{
+ int32_t *p;
+ int32_t value;
+
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ value = *p;
+
+ return value;
}
/*
* Class: sun/misc/Unsafe
- * Method: putOrderedLong
- * Signature: (Ljava/lang/Object;JJ)V
+ * Method: putByte
+ * Signature: (Ljava/lang/Object;JB)V
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedLong(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2, s8 par3)
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putByte__Ljava_lang_Object_2JB(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
{
+ int32_t *p;
+
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ *p = x;
}
/*
* Class: sun/misc/Unsafe
- * Method: putOrderedObject
- * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
+ * Method: getShort
+ * Signature: (Ljava/lang/Object;J)S
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedObject(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2, struct java_lang_Object* par3)
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getShort__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
{
+ int32_t *p;
+ int32_t value;
+
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ value = *p;
+
+ return value;
}
/*
* Class: sun/misc/Unsafe
- * Method: putIntVolatile
- * Signature: (Ljava/lang/Object;JI)V
+ * Method: putShort
+ * Signature: (Ljava/lang/Object;JS)V
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putIntVolatile(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2, s4 par3)
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putShort__Ljava_lang_Object_2JS(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
{
+ int32_t *p;
+
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ *p = x;
}
/*
* Class: sun/misc/Unsafe
- * Method: getIntVolatile
- * Signature: (Ljava/lang/Object;J)I
+ * Method: getChar
+ * Signature: (Ljava/lang/Object;J)C
*/
-JNIEXPORT s4 JNICALL Java_sun_misc_Unsafe_getIntVolatile(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2)
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getChar__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
{
+ int32_t *p;
+ int32_t value;
+
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ value = *p;
+
+ return value;
}
/*
* Class: sun/misc/Unsafe
- * Method: putLongVolatile
- * Signature: (Ljava/lang/Object;JJ)V
+ * Method: putChar
+ * Signature: (Ljava/lang/Object;JC)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putChar__Ljava_lang_Object_2JC(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
+{
+ int32_t *p;
+
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ *p = x;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: getLong
+ * Signature: (Ljava/lang/Object;J)J
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLongVolatile(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2, s8 par3)
+JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLong__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
{
+ int64_t *p;
+ int64_t value;
+
+ p = (int64_t *) (((uint8_t *) o) + offset);
+
+ value = *p;
+
+ return value;
}
* Method: putLong
* Signature: (Ljava/lang/Object;JJ)V
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLong(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2, s8 par3)
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLong__Ljava_lang_Object_2JJ(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int64_t x)
{
+ int64_t *p;
+
+ p = (int64_t *) (((uint8_t *) o) + offset);
+
+ *p = x;
}
/*
* Class: sun/misc/Unsafe
- * Method: getLongVolatile
- * Signature: (Ljava/lang/Object;J)J
+ * Method: getFloat
+ * Signature: (Ljava/lang/Object;J)F
*/
-JNIEXPORT s8 JNICALL Java_sun_misc_Unsafe_getLongVolatile(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2)
+JNIEXPORT float JNICALL Java_sun_misc_Unsafe_getFloat__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
{
+ float *p;
+ float value;
+
+ p = (float *) (((uint8_t *) o) + offset);
+
+ value = *p;
+
+ return value;
}
/*
* Class: sun/misc/Unsafe
- * Method: getLong
- * Signature: (Ljava/lang/Object;J)J
+ * Method: putFloat
+ * Signature: (Ljava/lang/Object;JF)V
*/
-JNIEXPORT s8 JNICALL Java_sun_misc_Unsafe_getLong(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2)
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, float x)
{
+ float *p;
+
+ p = (float *) (((uint8_t *) o) + offset);
+
+ *p = x;
}
/*
* Class: sun/misc/Unsafe
- * Method: putObjectVolatile
- * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
+ * Method: getDouble
+ * Signature: (Ljava/lang/Object;J)D
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObjectVolatile(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2, struct java_lang_Object* par3)
+JNIEXPORT double JNICALL Java_sun_misc_Unsafe_getDouble__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
{
+ double *p;
+ double value;
+
+ p = (double *) (((uint8_t *) o) + offset);
+
+ value = *p;
+
+ return value;
}
/*
* Class: sun/misc/Unsafe
- * Method: putObject
- * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
+ * Method: putDouble
+ * Signature: (Ljava/lang/Object;JD)V
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObject(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2, struct java_lang_Object* par3)
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putDouble__Ljava_lang_Object_2JD(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, double x)
{
+ double *p;
+
+ p = (double *) (((uint8_t *) o) + offset);
+
+ *p = x;
}
/*
* Class: sun/misc/Unsafe
- * Method: getObjectVolatile
- * Signature: (Ljava/lang/Object;J)Ljava/lang/Object;
+ * Method: getByte
+ * Signature: (J)B
*/
-JNIEXPORT struct java_lang_Object* JNICALL Java_sun_misc_Unsafe_getObjectVolatile(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, s8 par2)
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getByte__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
{
+ int8_t *p;
+ int8_t value;
+
+ p = (int8_t *) (intptr_t) address;
+
+ value = *p;
+
+ return (int32_t) value;
}
/*
* Class: sun/misc/Unsafe
- * Method: arrayBaseOffset
- * Signature: (Ljava/lang/Class;)I
+ * Method: putByte
+ * Signature: (JB)V
*/
-JNIEXPORT s4 JNICALL Java_sun_misc_Unsafe_arrayBaseOffset(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Class* par1)
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putByte__JB(JNIEnv *env, sun_misc_Unsafe *this, int64_t address, int32_t value)
{
+ int8_t *p;
+
+ p = (int8_t *) (intptr_t) address;
+
+ *p = (int8_t) value;
}
/*
* Class: sun/misc/Unsafe
- * Method: arrayIndexScale
- * Signature: (Ljava/lang/Class;)I
+ * Method: getShort
+ * Signature: (J)S
*/
-JNIEXPORT s4 JNICALL Java_sun_misc_Unsafe_arrayIndexScale(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Class* par1)
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getShort__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
{
+ int16_t *p;
+ int16_t value;
+
+ p = (int16_t *) (intptr_t) address;
+
+ value = *p;
+
+ return (int32_t) value;
}
/*
* Class: sun/misc/Unsafe
- * Method: unpark
- * Signature: (Ljava/lang/Thread;)V
+ * Method: putShort
+ * Signature: (JS)V
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_unpark(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Thread* par1)
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putShort__JS(JNIEnv *env, sun_misc_Unsafe *this, int64_t address, int32_t value)
{
+ int16_t *p;
+
+ p = (int16_t *) (intptr_t) address;
+
+ *p = (int16_t) value;
}
/*
* Class: sun/misc/Unsafe
- * Method: park
- * Signature: (ZJ)V
+ * Method: getChar
+ * Signature: (J)C
+ */
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getChar__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
+{
+ uint16_t *p;
+ uint16_t value;
+
+ p = (uint16_t *) (intptr_t) address;
+
+ value = *p;
+
+ return (int32_t) value;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putChar
+ * Signature: (JC)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putChar__JC(JNIEnv *env, sun_misc_Unsafe *this, int64_t address, int32_t value)
+{
+ uint16_t *p;
+
+ p = (uint16_t *) (intptr_t) address;
+
+ *p = (uint16_t) value;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: getInt
+ * Signature: (J)I
+ */
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getInt__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
+{
+ int32_t *p;
+ int32_t value;
+
+ p = (int32_t *) (intptr_t) address;
+
+ value = *p;
+
+ return value;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putInt
+ * Signature: (JI)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putInt__JI(JNIEnv *env, struct sun_misc_Unsafe* this, int64_t address, int32_t value)
+{
+ int32_t *p;
+
+ p = (int32_t *) (intptr_t) address;
+
+ *p = value;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: getLong
+ * Signature: (J)J
+ */
+JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLong__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
+{
+ int64_t *p;
+ int64_t value;
+
+ p = (int64_t *) (intptr_t) address;
+
+ value = *p;
+
+ return value;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putLong
+ * Signature: (JJ)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLong__JJ(JNIEnv *env, sun_misc_Unsafe *this, int64_t address, int64_t value)
+{
+ int64_t *p;
+
+ p = (int64_t *) (intptr_t) address;
+
+ *p = value;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: getFloat
+ * Signature: (J)F
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_park(JNIEnv *env, struct sun_misc_Unsafe* this, s4 par1, s8 par2)
+JNIEXPORT float JNICALL Java_sun_misc_Unsafe_getFloat__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
{
+ float *p;
+ float value;
+
+ p = (float *) (intptr_t) address;
+
+ value = *p;
+
+ return value;
}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: objectFieldOffset
+ * Signature: (Ljava/lang/reflect/Field;)J
+ */
+JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_objectFieldOffset(JNIEnv *env, sun_misc_Unsafe *this, java_lang_reflect_Field *field)
+{
+ classinfo *c;
+ fieldinfo *f;
+ int32_t slot;
+
+#if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
+ java_lang_reflect_VMField *rvmf;
+#endif
+
+#if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
+
+ LLNI_field_get_ref(field, f, rvmf);
+ LLNI_field_get_cls(rvmf, clazz, c);
+ LLNI_field_get_val(rvmf, slot , slot);
+
+#elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
+
+ LLNI_field_get_cls(field, clazz, c);
+ LLNI_field_get_val(field, slot , slot);
+
+#else
+# error unknown configuration
#endif
+ f = &(c->fields[slot]);
+
+ return (int64_t) f->offset;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: allocateMemory
+ * Signature: (J)J
+ */
+JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_allocateMemory(JNIEnv *env, sun_misc_Unsafe *this, int64_t bytes)
+{
+ size_t length;
+ void *p;
+
+ length = (size_t) bytes;
+
+ if ((length != (uint64_t) bytes) || (bytes < 0)) {
+ exceptions_throw_illegalargumentexception();
+ return 0;
+ }
+
+ p = MNEW(uint8_t, length);
+
+ return (int64_t) (intptr_t) p;
+}
+
+
+#if 0
+/* OpenJDK 7 */
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: setMemory
+ * Signature: (Ljava/lang/Object;JJB)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_setMemory(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int64_t bytes, int32_t value)
+{
+ size_t length;
+ void *p;
+
+ length = (size_t) bytes;
+
+ if ((length != (uint64_t) bytes) || (bytes < 0)) {
+ exceptions_throw_illegalargumentexception();
+ return;
+ }
+
+ /* XXX Missing LLNI: we need to unwrap this object. */
+
+ p = (void *) (((uint8_t *) o) + offset);
+
+ /* XXX Not sure this is correct. */
+
+ system_memset(p, value, length);
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: copyMemory
+ * Signature: (Ljava/lang/Object;JLjava/lang/Object;JJ)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_copyMemory(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *srcBase, int64_t srcOffset, java_lang_Object *destBase, int64_t destOffset, int64_t bytes)
+{
+ size_t length;
+ void *src;
+ void *dest;
+
+ if (bytes == 0)
+ return;
+
+ length = (size_t) bytes;
+
+ if ((length != (uint64_t) bytes) || (bytes < 0)) {
+ exceptions_throw_illegalargumentexception();
+ return;
+ }
+
+ /* XXX Missing LLNI: We need to unwrap these objects. */
+
+ src = (void *) (((uint8_t *) srcBase) + srcOffset);
+ dest = (void *) (((uint8_t *) destBase) + destOffset);
+
+ system_memcpy(dest, src, length);
+}
+#else
+/*
+ * Class: sun/misc/Unsafe
+ * Method: setMemory
+ * Signature: (JJB)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_setMemory(JNIEnv *env, sun_misc_Unsafe *this, int64_t address, int64_t bytes, int32_t value)
+{
+ size_t length;
+ void *p;
+
+ length = (size_t) bytes;
+
+ if ((length != (uint64_t) bytes) || (bytes < 0)) {
+ exceptions_throw_illegalargumentexception();
+ return;
+ }
+
+ p = (void *) (intptr_t) address;
+
+ /* XXX Not sure this is correct. */
+
+ system_memset(p, value, length);
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: copyMemory
+ * Signature: (JJJ)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_copyMemory(JNIEnv *env, sun_misc_Unsafe *this, int64_t srcAddress, int64_t destAddress, int64_t bytes)
+{
+ size_t length;
+ void *src;
+ void *dest;
+
+ if (bytes == 0)
+ return;
+
+ length = (size_t) bytes;
+
+ if ((length != (uint64_t) bytes) || (bytes < 0)) {
+ exceptions_throw_illegalargumentexception();
+ return;
+ }
+
+ src = (void *) (intptr_t) srcAddress;
+ dest = (void *) (intptr_t) destAddress;
+
+ system_memcpy(dest, src, length);
+}
+#endif
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: freeMemory
+ * Signature: (J)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_freeMemory(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
+{
+ void *p;
+
+ p = (void *) (intptr_t) address;
+
+ if (p == NULL)
+ return;
+
+ /* we pass length 1 to trick the free function */
+
+ MFREE(p, uint8_t, 1);
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: staticFieldOffset
+ * Signature: (Ljava/lang/reflect/Field;)J
+ */
+JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_staticFieldOffset(JNIEnv *env, sun_misc_Unsafe *this, java_lang_reflect_Field *f)
+{
+ /* The offset of static fields is 0. */
+
+ return 0;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: staticFieldBase
+ * Signature: (Ljava/lang/reflect/Field;)Ljava/lang/Object;
+ */
+JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_staticFieldBase(JNIEnv *env, sun_misc_Unsafe *this, java_lang_reflect_Field *rf)
+{
+ classinfo *c;
+ fieldinfo *f;
+ int32_t slot;
+
+#if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
+ java_lang_reflect_VMField *rvmf;
+#endif
+
+#if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
+
+ LLNI_field_get_ref(rf, f, rvmf);
+ LLNI_field_get_cls(rvmf, clazz, c);
+ LLNI_field_get_val(rvmf, slot , slot);
+
+#elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
+
+ LLNI_field_get_cls(rf, clazz, c);
+ LLNI_field_get_val(rf, slot , slot);
+
+#else
+# error unknown configuration
+#endif
+
+ f = &(c->fields[slot]);
+
+ return (java_lang_Object *) (f->value);
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: ensureClassInitialized
+ * Signature: (Ljava/lang/Class;)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_ensureClassInitialized(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *class)
+{
+ classinfo *c;
+
+ c = LLNI_classinfo_unwrap(class);
+
+ if (!(c->state & CLASS_INITIALIZED))
+ initialize_class(c);
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: arrayBaseOffset
+ * Signature: (Ljava/lang/Class;)I
+ */
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_arrayBaseOffset(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *arrayClass)
+{
+ classinfo *c;
+ arraydescriptor *ad;
+
+ c = LLNI_classinfo_unwrap(arrayClass);
+ ad = c->vftbl->arraydesc;
+
+ if (ad == NULL) {
+ /* XXX does that exception exist? */
+ exceptions_throw_internalerror("java/lang/InvalidClassException");
+ return 0;
+ }
+
+ return ad->dataoffset;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: arrayIndexScale
+ * Signature: (Ljava/lang/Class;)I
+ */
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_arrayIndexScale(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *arrayClass)
+{
+ classinfo *c;
+ arraydescriptor *ad;
+
+ c = LLNI_classinfo_unwrap(arrayClass);
+ ad = c->vftbl->arraydesc;
+
+ if (ad == NULL) {
+ /* XXX does that exception exist? */
+ exceptions_throw_internalerror("java/lang/InvalidClassException");
+ return 0;
+ }
+
+ return ad->componentsize;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: addressSize
+ * Signature: ()I
+ */
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_addressSize(JNIEnv *env, sun_misc_Unsafe *this)
+{
+ return SIZEOF_VOID_P;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: pageSize
+ * Signature: ()I
+ */
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_pageSize(JNIEnv *env, sun_misc_Unsafe *this)
+{
+ int sz;
+
+ sz = getpagesize();
+
+ return sz;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: defineClass
+ * Signature: (Ljava/lang/String;[BIILjava/lang/ClassLoader;Ljava/security/ProtectionDomain;)Ljava/lang/Class;
+ */
+JNIEXPORT java_lang_Class* JNICALL Java_sun_misc_Unsafe_defineClass__Ljava_lang_String_2_3BIILjava_lang_ClassLoader_2Ljava_security_ProtectionDomain_2(JNIEnv *env, sun_misc_Unsafe *this, java_lang_String *name, java_handle_bytearray_t *b, int32_t off, int32_t len, java_lang_ClassLoader *loader, java_security_ProtectionDomain *protectionDomain)
+{
+ classloader_t *cl;
+ utf *utfname;
+ classinfo *c;
+ java_lang_Class *o;
+
+ cl = loader_hashtable_classloader_add((java_handle_t *) loader);
+
+ /* check if data was passed */
+
+ if (b == NULL) {
+ exceptions_throw_nullpointerexception();
+ return NULL;
+ }
+
+ /* check the indexes passed */
+
+ if ((off < 0) || (len < 0) || ((off + len) > LLNI_array_size(b))) {
+ exceptions_throw_arrayindexoutofboundsexception();
+ return NULL;
+ }
+
+ if (name != NULL) {
+ /* convert '.' to '/' in java string */
+
+ utfname = javastring_toutf((java_handle_t *) name, true);
+ }
+ else {
+ utfname = NULL;
+ }
+
+ /* define the class */
+
+ c = class_define(utfname, cl, len, (uint8_t *) &(LLNI_array_direct(b, off)),
+ (java_handle_t *) protectionDomain);
+
+ if (c == NULL)
+ return NULL;
+
+ /* for convenience */
+
+ o = LLNI_classinfo_wrap(c);
+
+#if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
+ /* set ProtectionDomain */
+
+ LLNI_field_set_ref(o, pd, protectionDomain);
+#endif
+
+ return o;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: allocateInstance
+ * Signature: (Ljava/lang/Class;)Ljava/lang/Object;
+ */
+JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_allocateInstance(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *cls)
+{
+ classinfo *c;
+ java_handle_t *o;
+
+ c = LLNI_classinfo_unwrap(cls);
+
+ o = builtin_new(c);
+
+ return (java_lang_Object *) o;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: throwException
+ * Signature: (Ljava/lang/Throwable;)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_throwException(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Throwable *ee)
+{
+ java_handle_t *o;
+
+ o = (java_handle_t *) ee;
+
+ exceptions_set_exception(o);
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: compareAndSwapObject
+ * Signature: (Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z
+ */
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapObject(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, java_lang_Object *expected, java_lang_Object *x)
+{
+#if 1
+ void **p;
+ void *value;
+
+ p = (void **) (((uint8_t *) o) + offset);
+
+ /* XXX this should be atomic */
+
+ value = *p;
+
+ if (value == expected) {
+ *p = x;
+
+ return true;
+ }
+
+ return false;
+#else
+ volatile void **p;
+ void *result;
+
+ /* XXX Use LLNI */
+
+ p = (volatile void **) (((uint8_t *) o) + offset);
+
+ result = atomic_compare_and_swap_address(p, expected, x);
+
+ if (result == expected)
+ return true;
+
+ return false;
+#endif
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: compareAndSwapInt
+ * Signature: (Ljava/lang/Object;JII)Z
+ */
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapInt(JNIEnv *env, sun_misc_Unsafe* this, java_lang_Object* o, int64_t offset, int32_t expected, int32_t x)
+{
+#if 1
+ int32_t *p;
+ int32_t value;
+
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ /* XXX this should be atomic */
+
+ value = *p;
+
+ if (value == expected) {
+ *p = x;
+
+ return true;
+ }
+
+ return false;
+#else
+ int32_t *p;
+ int32_t result;
+
+ /* XXX Use LLNI */
+
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ result = atomic_compare_and_swap_int(p, expected, x);
+
+ if (result == expected)
+ return true;
+
+ return false;
+#endif
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: compareAndSwapLong
+ * Signature: (Ljava/lang/Object;JJJ)Z
+ */
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapLong(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int64_t expected, int64_t x)
+{
+ int64_t *p;
+ int64_t value;
+
+ p = (int64_t *) (((uint8_t *) o) + offset);
+
+ /* XXX this should be atomic */
+
+ value = *p;
+
+ if (value == expected) {
+ *p = x;
+
+ return true;
+ }
+
+ return false;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: getObjectVolatile
+ * Signature: (Ljava/lang/Object;J)Ljava/lang/Object;
+ */
+JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_getObjectVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
+{
+ volatile void **p;
+ volatile void *value;
+
+ p = (volatile void **) (((uint8_t *) o) + offset);
+
+ value = *p;
+
+ return (java_lang_Object *) value;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putObjectVolatile
+ * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObjectVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, java_lang_Object *x)
+{
+ volatile void **p;
+
+ p = (volatile void **) (((uint8_t *) o) + offset);
+
+ *p = x;
+}
+
+
+#define UNSAFE_GET_VOLATILE(type) \
+ java_handle_t *_h; \
+ java_object_t *_o; \
+ volatile type *_p; \
+ volatile type _x; \
+ \
+ _h = (java_handle_t *) o; \
+ \
+ LLNI_CRITICAL_START; \
+ \
+ _o = LLNI_UNWRAP(_h); \
+ _p = (volatile type *) (((uint8_t *) _o) + offset); \
+ \
+ _x = *_p; \
+ \
+ LLNI_CRITICAL_END; \
+ \
+ return _x;
+
+
+#define UNSAFE_PUT_VOLATILE(type) \
+ java_handle_t *_h; \
+ java_object_t *_o; \
+ volatile type *_p; \
+ \
+ _h = (java_handle_t *) o; \
+ \
+ LLNI_CRITICAL_START; \
+ \
+ _o = LLNI_UNWRAP(_h); \
+ _p = (volatile type *) (((uint8_t *) _o) + offset); \
+ \
+ *_p = x; \
+ \
+ MEMORY_BARRIER(); \
+ \
+ LLNI_CRITICAL_END;
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: getIntVolatile
+ * Signature: (Ljava/lang/Object;J)I
+ */
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getIntVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
+{
+ UNSAFE_GET_VOLATILE(int32_t);
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putIntVolatile
+ * Signature: (Ljava/lang/Object;JI)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putIntVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
+{
+ UNSAFE_PUT_VOLATILE(int32_t);
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: getLongVolatile
+ * Signature: (Ljava/lang/Object;J)J
+ */
+JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLongVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
+{
+ UNSAFE_GET_VOLATILE(int64_t);
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putLongVolatile
+ * Signature: (Ljava/lang/Object;JJ)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLongVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int64_t x)
+{
+ UNSAFE_PUT_VOLATILE(int64_t);
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putOrderedObject
+ * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedObject(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, java_lang_Object *x)
+{
+ java_handle_t *_h;
+ java_handle_t *_hx;
+ java_object_t *_o;
+ java_object_t *_x;
+ volatile void **_p;
+
+ _h = (java_handle_t *) o;
+ _hx = (java_handle_t *) x;
+
+ LLNI_CRITICAL_START;
+
+ _o = LLNI_UNWRAP(_h);
+ _x = LLNI_UNWRAP(_hx);
+ _p = (volatile void **) (((uint8_t *) _o) + offset);
+
+ *_p = _x;
+
+ MEMORY_BARRIER();
+
+ LLNI_CRITICAL_END;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putOrderedInt
+ * Signature: (Ljava/lang/Object;JI)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedInt(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
+{
+ UNSAFE_PUT_VOLATILE(int32_t);
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putOrderedLong
+ * Signature: (Ljava/lang/Object;JJ)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedLong(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int64_t x)
+{
+ UNSAFE_PUT_VOLATILE(int64_t);
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: unpark
+ * Signature: (Ljava/lang/Object;)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_unpark(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *thread)
+{
+ /* XXX IMPLEMENT ME */
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: park
+ * Signature: (ZJ)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_park(JNIEnv *env, sun_misc_Unsafe *this, int32_t isAbsolute, int64_t time)
+{
+ /* XXX IMPLEMENT ME */
+}
+
/*
* These are local overrides for various environment variables in Emacs.