#include <stdint.h>
#include <unistd.h>
+#include "machine-instr.h"
+
#include "mm/memory.h"
#include "native/jni.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)
+#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_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/initialize.h"
#include "vm/stringlocal.h"
+#include "vmcore/system.h"
#include "vmcore/utf8.h"
{ "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
+ /* 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 },
{ "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 },
};
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);
- f = &c->fields[slot];
+#else
+# error unknown configuration
+#endif
+
+ f = &(c->fields[slot]);
return (int64_t) f->offset;
}
}
+#if 0
+/* OpenJDK 7 */
+
/*
* Class: sun/misc/Unsafe
* Method: setMemory
/* XXX Not sure this is correct. */
- MSET(p, value, uint8_t, length);
+ system_memset(p, value, length);
}
src = (void *) (((uint8_t *) srcBase) + srcOffset);
dest = (void *) (((uint8_t *) destBase) + destOffset);
- MCOPY(dest, src, uint8_t, length);
+ 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
/*
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);
*/
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;
+ classloader_t *cl;
utf *utfname;
classinfo *c;
java_lang_Class *o;
o = LLNI_classinfo_wrap(c);
-#if defined(WITH_CLASSPATH_GNU)
+#if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
/* set ProtectionDomain */
LLNI_field_set_ref(o, pd, protectionDomain);
*/
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;
}
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
}
* 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)
+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 *) obj) + offset);
+ p = (int32_t *) (((uint8_t *) o) + offset);
/* XXX this should be atomic */
value = *p;
- if (value == expect) {
- *p = update;
+ 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: 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
*/
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);
+ UNSAFE_GET_VOLATILE(int32_t);
+}
- value = *p;
- return value;
+/*
+ * 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);
}
*/
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;
+ UNSAFE_GET_VOLATILE(int64_t);
+}
- p = (volatile int64_t *) (((uint8_t *) o) + offset);
- value = *p;
+/*
+ * 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);
+}
- return value;
+
+/*
+ * 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);
}
projects / cacao.git / blobdiff