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 <stdint.h>
+#include <unistd.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_CLASSPATH_SUN)
+# 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"
+
+#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/utf8.h"
/* native methods implemented by this file ************************************/
static JNINativeMethod methods[] = {
- { "objectFieldOffset", "(Ljava/lang/reflect/Field;)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_objectFieldOffset },
- { "compareAndSwapInt", "(Ljava/lang/Object;JII)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapInt },
-#if 0
- { "compareAndSwapLong", "(Ljava/lang/Object;JJJ)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapLong },
- { "compareAndSwapObject", "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapObject },
- { "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 },
- { "putOrderedObject", "(Ljava/lang/Object;JLjava/lang/Object;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putOrderedObject },
- { "putIntVolatile", "(Ljava/lang/Object;JI)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putIntVolatile },
- { "getIntVolatile", "(Ljava/lang/Object;J)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_getIntVolatile },
- { "putLongVolatile", "(Ljava/lang/Object;JJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putLongVolatile },
- { "putLong", "(Ljava/lang/Object;JJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putLong },
- { "getLongVolatile", "(Ljava/lang/Object;J)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_getLongVolatile },
- { "getLong", "(Ljava/lang/Object;J)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_getLong },
- { "putObjectVolatile", "(Ljava/lang/Object;JLjava/lang/Object;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putObjectVolatile },
- { "putObject", "(Ljava/lang/Object;JLjava/lang/Object;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putObject },
- { "getObjectVolatile", "(Ljava/lang/Object;J)Ljava/lang/Object;", (void *) (intptr_t) &Java_sun_misc_Unsafe_getObjectVolatile },
- { "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 },
- { "unpark", "(Ljava/lang/Thread;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_unpark },
- { "park", "(ZJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_park },
-#endif
+ { "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 },
+ { "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 },
+ { "putFloat", "(Ljava/lang/Object;JF)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF },
+ { "getByte", "(J)B", (void *) (intptr_t) &Java_sun_misc_Unsafe_getByte__J },
+ { "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 },
+ { "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 },
+ { "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 },
+ { "getIntVolatile", "(Ljava/lang/Object;J)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_getIntVolatile },
+ { "getLongVolatile", "(Ljava/lang/Object;J)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_getLongVolatile },
+ { "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 int64_t 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. */
+}
- c = (classinfo *) field->declaringClass;
- f = &c->fields[field->slot];
- return (int64_t) f->offset;
+/*
+ * 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;
+
+ p = (int32_t *) (((uint8_t *) o) + 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 int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapInt(JNIEnv *env, sun_misc_Unsafe* this, java_lang_Object* obj, int64_t offset, int32_t expect, int32_t 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)
+{
+ int32_t *p;
+
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ *p = x;
+}
+
+
+/*
+ * 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;
+
+ return value;
+}
+
+
+/*
+ * 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;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: getBoolean
+ * Signature: (Ljava/lang/Object;J)Z
+ */
+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 *) (((u1 *) obj) + offset);
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ value = *p;
+
+ return value;
+}
- /* XXX this should be atomic */
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putBoolean
+ * Signature: (Ljava/lang/Object;JZ)V
+ */
+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: getByte
+ * Signature: (Ljava/lang/Object;J)B
+ */
+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;
- if (value == expect) {
- *p = update;
+ return value;
+}
- return true;
- }
- return false;
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putByte
+ * Signature: (Ljava/lang/Object;JB)V
+ */
+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;
}
-#if 0
/*
* Class: sun/misc/Unsafe
- * Method: compareAndSwapLong
- * Signature: (Ljava/lang/Object;JJJ)Z
+ * Method: putShort
+ * Signature: (Ljava/lang/Object;JS)V
*/
-JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapLong(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2, int64_t par3, int64_t par4)
+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: compareAndSwapObject
- * Signature: (Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z
+ * Method: getChar
+ * Signature: (Ljava/lang/Object;J)C
*/
-JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapObject(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2, struct java_lang_Object* par3, struct java_lang_Object* par4)
+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: putOrderedInt
- * Signature: (Ljava/lang/Object;JI)V
+ * Method: putChar
+ * Signature: (Ljava/lang/Object;JC)V
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedInt(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2, int32_t par3)
+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: putOrderedLong
- * Signature: (Ljava/lang/Object;JJ)V
+ * Method: putFloat
+ * Signature: (Ljava/lang/Object;JF)V
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedLong(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2, int64_t par3)
+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: putOrderedObject
- * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
+ * Method: getByte
+ * Signature: (J)B
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putOrderedObject(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2, struct java_lang_Object* par3)
+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: putIntVolatile
- * Signature: (Ljava/lang/Object;JI)V
+ * Method: getInt
+ * Signature: (J)I
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putIntVolatile(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2, int32_t par3)
+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: getIntVolatile
- * Signature: (Ljava/lang/Object;J)I
+ * Method: putInt
+ * Signature: (JI)V
*/
-JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getIntVolatile(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2)
+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: putLongVolatile
- * Signature: (Ljava/lang/Object;JJ)V
+ * Method: getLong
+ * Signature: (J)J
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLongVolatile(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2, int64_t par3)
+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: (Ljava/lang/Object;JJ)V
+ * Signature: (JJ)V
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLong(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2, int64_t par3)
+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: getLongVolatile
- * Signature: (Ljava/lang/Object;J)J
+ * Method: objectFieldOffset
+ * Signature: (Ljava/lang/reflect/Field;)J
*/
-JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLongVolatile(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2)
+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;
+
+ LLNI_field_get_cls(field, clazz, c);
+ LLNI_field_get_val(field, slot , slot);
+ f = &c->fields[slot];
+
+ return (int64_t) f->offset;
}
/*
* Class: sun/misc/Unsafe
- * Method: getLong
- * Signature: (Ljava/lang/Object;J)J
+ * Method: allocateMemory
+ * Signature: (J)J
*/
-JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLong(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2)
+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;
}
/*
* Class: sun/misc/Unsafe
- * Method: putObjectVolatile
- * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
+ * Method: freeMemory
+ * Signature: (J)V
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObjectVolatile(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2, struct java_lang_Object* par3)
+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: putObject
- * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
+ * Method: staticFieldOffset
+ * Signature: (Ljava/lang/reflect/Field;)J
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObject(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2, struct java_lang_Object* par3)
+JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_staticFieldOffset(JNIEnv *env, sun_misc_Unsafe *this, java_lang_reflect_Field *field)
{
+ classinfo *c;
+ fieldinfo *f;
+ int32_t slot;
+
+ LLNI_field_get_cls(field, clazz, c);
+ LLNI_field_get_val(field, slot , slot);
+ f = &(c->fields[slot]);
+
+ return (int64_t) (intptr_t) f->value;
}
/*
* Class: sun/misc/Unsafe
- * Method: getObjectVolatile
- * Signature: (Ljava/lang/Object;J)Ljava/lang/Object;
+ * 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 *f)
+{
+ /* In CACAO we return the absolute address in staticFieldOffset. */
+
+ return NULL;
+}
+
+
+/*
+ * Class: sun/misc/Unsafe
+ * Method: ensureClassInitialized
+ * Signature: (Ljava/lang/Class;)V
*/
-JNIEXPORT struct java_lang_Object* JNICALL Java_sun_misc_Unsafe_getObjectVolatile(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Object* par1, int64_t par2)
+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);
}
* Method: arrayBaseOffset
* Signature: (Ljava/lang/Class;)I
*/
-JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_arrayBaseOffset(JNIEnv *env, struct sun_misc_Unsafe* this, struct java_lang_Class* par1)
+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;
}
* Method: arrayIndexScale
* Signature: (Ljava/lang/Class;)I
*/
-JNIEXPORT int32_t 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_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 *cl;
+ utf *utfname;
+ classinfo *c;
+ java_lang_Class *o;
+
+ cl = (classloader *) 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, (const uint8_t *) &b->data[off],
+ protectionDomain);
+
+ if (c == NULL)
+ return NULL;
+
+ /* for convenience */
+
+ o = LLNI_classinfo_wrap(c);
+
+#if defined(WITH_CLASSPATH_GNU)
+ /* 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_object_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)
+{
+ 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;
+}
+
+
+/*
+ * 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* obj, int64_t offset, int32_t expect, int32_t update)
+{
+ int32_t *p;
+ int32_t value;
+
+ p = (int32_t *) (((uint8_t *) obj) + offset);
+
+ /* XXX this should be atomic */
+
+ value = *p;
+
+ if (value == expect) {
+ *p = update;
+
+ return true;
+ }
+
+ return false;
+}
+
+
+/*
+ * 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: 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)
+{
+ volatile int32_t *p;
+ volatile int32_t value;
+
+ p = (volatile int32_t *) (((uint8_t *) o) + offset);
+
+ value = *p;
+
+ return value;
+}
+
+
+/*
+ * 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)
+{
+ volatile int64_t *p;
+ volatile int64_t value;
+
+ p = (volatile int64_t *) (((uint8_t *) o) + offset);
+
+ value = *p;
+
+ return value;
}
/*
* Class: sun/misc/Unsafe
* Method: unpark
- * Signature: (Ljava/lang/Thread;)V
+ * Signature: (Ljava/lang/Object;)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_unpark(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *thread)
{
+ /* XXX IMPLEMENT ME */
}
* Method: park
* Signature: (ZJ)V
*/
-JNIEXPORT void JNICALL Java_sun_misc_Unsafe_park(JNIEnv *env, struct sun_misc_Unsafe* this, int32_t par1, int64_t par2)
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_park(JNIEnv *env, sun_misc_Unsafe *this, int32_t isAbsolute, int64_t time)
{
+ /* XXX IMPLEMENT ME */
}
-#endif
/*
projects / cacao.git / blobdiff