/* src/vm/javaobjects.cpp - functions to create and access Java objects
- Copyright (C) 2008 Theobroma Systems Ltd.
+ Copyright (C) 1996-2011
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
+ Copyright (C) 2008, 2009 Theobroma Systems Ltd.
This file is part of CACAO.
#include "vm/initialize.hpp"
#include "vm/javaobjects.hpp"
+#include <map>
#if defined(ENABLE_JAVASE)
+/**
+ * Invokes the static Java method getSystemClassLoader().
+ *
+ * @return Return value of the invocation or NULL in
+ * case of an exception.
+ */
+java_handle_t* java_lang_ClassLoader::invoke_getSystemClassLoader()
+{
+ methodinfo *m;
+ java_handle_t *clo;
+ classloader_t *cl;
+
+ assert(class_java_lang_Object);
+ assert(class_java_lang_ClassLoader);
+ assert(class_java_lang_ClassLoader->state & CLASS_LINKED);
+
+ m = class_resolveclassmethod(class_java_lang_ClassLoader,
+ utf_getSystemClassLoader,
+ utf_void__java_lang_ClassLoader,
+ class_java_lang_Object,
+ false);
+
+ if (m == NULL)
+ return NULL;
+
+ clo = vm_call_method(m, NULL);
+
+ if (clo == NULL)
+ return NULL;
+
+ cl = loader_hashtable_classloader_add(clo);
+
+ return cl;
+}
+
+
+/**
+ * Constructs a new instance of the class by calling the
+ * appropriate Java initializer.
+ */
+java_lang_management_MemoryUsage::java_lang_management_MemoryUsage(int64_t init, int64_t used, int64_t commited, int64_t maximum)
+{
+ // Load the class.
+ // XXX Maybe this should be made global at some points.
+ classinfo* class_java_lang_management_MemoryUsage;
+ if (!(class_java_lang_management_MemoryUsage = load_class_bootstrap(utf_new_char("java/lang/management/MemoryUsage"))))
+ return;
+
+ // Find the appropriate initializer.
+ // XXX Maybe this should be made global at some points.
+ methodinfo* m = class_findmethod(class_java_lang_management_MemoryUsage,
+ utf_init,
+ utf_new_char("(JJJJ)V"));
+
+ if (m == NULL)
+ return;
+
+ // Instantiate a new object.
+ _handle = builtin_new(class_java_lang_management_MemoryUsage);
+
+ if (is_null())
+ return;
+
+ // Call initializer.
+ (void) vm_call_method(m, _handle, init, used, commited, maximum);
+}
+
+
/**
* Constructs a Java object with the given
* java.lang.reflect.Constructor.
if (h == NULL)
return NULL;
-
+
// Call initializer.
(void) Reflection::invoke(m, h, args);
return result;
}
+struct DynOffsetEntry {
+ void (*setter)(int32_t);
+ const char *name;
+};
+
+typedef std::map<classinfo *, DynOffsetEntry *> RegisteredDynMap;
+static RegisteredDynMap dynEntryMap;
+
+static void register_dyn_entry_table(classinfo *c, DynOffsetEntry *entries)
+{
+ dynEntryMap.insert(std::make_pair(c, entries));
+}
+
+static bool runAllSetters(classinfo *c, DynOffsetEntry entries[])
+{
+ do {
+ fieldinfo *fi = class_findfield_by_name(c, utf_new_char(entries->name));
+ if (!fi)
+ return false;
+ entries->setter(fi->offset);
+ } while ((++entries)->setter);
+ return true;
+}
+
+bool jobjects_run_dynoffsets_hook(classinfo *c)
+{
+ RegisteredDynMap::const_iterator it = dynEntryMap.find(c);
+ if (it == dynEntryMap.end())
+ return true;
+
+ if (!runAllSetters(c, it->second))
+ return false;
+
+ return true;
+}
+
+#if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
+
+off_t java_lang_Thread::offset_vmThread;
+off_t java_lang_Thread::offset_group;
+off_t java_lang_Thread::offset_name;
+off_t java_lang_Thread::offset_daemon;
+off_t java_lang_Thread::offset_priority;
+off_t java_lang_Thread::offset_exceptionHandler;
+
+static DynOffsetEntry dyn_entries_java_lang_Thread[] = {
+ { &java_lang_Thread::set_vmThread_offset, "vmThread" },
+ { &java_lang_Thread::set_group_offset, "group" },
+ { &java_lang_Thread::set_name_offset, "name" },
+ { &java_lang_Thread::set_daemon_offset, "daemon" },
+ { &java_lang_Thread::set_priority_offset, "priority" },
+ { &java_lang_Thread::set_exceptionHandler_offset, "exceptionHandler" },
+ { 0, 0 }
+};
+
+#elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
+
+off_t java_lang_Thread::offset_priority;
+off_t java_lang_Thread::offset_daemon;
+off_t java_lang_Thread::offset_group;
+off_t java_lang_Thread::offset_uncaughtExceptionHandler;
+off_t java_lang_Thread::offset_threadStatus;
+off_t java_lang_Thread::offset_me;
+
+static DynOffsetEntry dyn_entries_java_lang_Thread[] = {
+ { &java_lang_Thread::set_priority_offset, "priority" },
+ { &java_lang_Thread::set_daemon_offset, "daemon" },
+ { &java_lang_Thread::set_group_offset, "group" },
+ { &java_lang_Thread::set_uncaughtExceptionHandler_offset, "uncaughtExceptionHandler" },
+ { &java_lang_Thread::set_threadStatus_offset, "threadStatus" },
+ { &java_lang_Thread::set_me_offset, "me" },
+ { 0, 0 }
+};
+
+#endif
+
+void jobjects_register_dyn_offsets()
+{
+ register_dyn_entry_table(class_java_lang_Thread, dyn_entries_java_lang_Thread);
+}
+
#endif // ENABLE_JAVASE
* c-basic-offset: 4
* tab-width: 4
* End:
+ * vim:noexpandtab:sw=4:ts=4:
*/
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