-/* native/native.c - table of native functions
+/* src/native/native.c - table of native functions
- Copyright (C) 1996-2005 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) 1996-2005, 2006 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
This file is part of CACAO.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA.
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
- Contact: cacao@complang.tuwien.ac.at
+ Contact: cacao@cacaojvm.org
Authors: Reinhard Grafl
Roman Obermaisser
Andreas Krall
- The .hh files created with the header file generator are all
- included here as are the C functions implementing these methods.
+ Changes: Christian Thalinger
- $Id: native.c 1920 2005-02-10 10:10:32Z twisti $
+ $Id: native.c 5200 2006-07-31 16:30:33Z twisti $
*/
-#include <stdlib.h>
-#include <unistd.h>
-#include <time.h>
-#include <math.h>
-#include <string.h>
-#include <assert.h>
-#include <sys/time.h>
-#include <utime.h>
+#include "config.h"
-/* Include files for IO functions */
+#include <assert.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <sys/types.h>
-#ifdef _OSF_SOURCE
-#include <sys/mode.h>
+#if !defined(WITH_STATIC_CLASSPATH)
+# include <ltdl.h>
#endif
-#include <sys/stat.h>
-#include "config.h"
-#include "cacao/cacao.h"
+#include "vm/types.h"
+
#include "mm/memory.h"
#include "native/jni.h"
#include "native/native.h"
#include "native/include/java_lang_Throwable.h"
+
+#if defined(ENABLE_THREADS)
+# include "threads/native/lock.h"
+#else
+# include "threads/none/lock.h"
+#endif
+
#include "toolbox/logging.h"
#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/global.h"
+#include "vm/hashtable.h"
#include "vm/loader.h"
#include "vm/options.h"
+#include "vm/resolve.h"
#include "vm/stringlocal.h"
-#include "vm/tables.h"
+#include "vm/vm.h"
#include "vm/jit/asmpart.h"
#include "vm/jit/jit.h"
+#if defined(ENABLE_JVMTI)
+#include "native/jvmti/cacaodbg.h"
+#endif
+
/* include table of native functions ******************************************/
-/* XXX quick hack? */
-#if defined(USE_GTK)
-#include "native/vm/GtkComponentPeer.c"
-#include "native/vm/GtkScrollPanePeer.c"
-#include "native/vm/GtkFileDialogPeer.c"
+#include "native/include/java_lang_Cloneable.h"
+#include "native/include/java_util_Properties.h"
+#include "native/include/java_io_InputStream.h"
+#include "native/include/java_io_PrintStream.h"
+
+#include "native/include/gnu_classpath_VMStackWalker.h"
+#include "native/include/gnu_classpath_VMSystemProperties.h"
+#include "native/include/gnu_java_lang_management_VMClassLoadingMXBeanImpl.h"
+#include "native/include/gnu_java_lang_management_VMMemoryMXBeanImpl.h"
+#include "native/include/gnu_java_lang_management_VMRuntimeMXBeanImpl.h"
+#include "native/include/java_lang_Class.h"
+#include "native/include/java_lang_Object.h"
+#include "native/include/java_lang_VMClass.h"
+#include "native/include/java_lang_VMClassLoader.h"
+#include "native/include/java_lang_VMObject.h"
+#include "native/include/java_lang_VMRuntime.h"
+#include "native/include/java_lang_VMString.h"
+#include "native/include/java_lang_VMSystem.h"
+#include "native/include/java_lang_VMThread.h"
+#include "native/include/java_lang_VMThrowable.h"
+#include "native/include/java_lang_management_VMManagementFactory.h"
+#include "native/include/java_lang_reflect_Constructor.h"
+#include "native/include/java_lang_reflect_Field.h"
+#include "native/include/java_lang_reflect_Method.h"
+#include "native/include/java_lang_reflect_VMProxy.h"
+#include "native/include/java_security_VMAccessController.h"
+
+#if defined(ENABLE_JVMTI)
+#include "native/include/gnu_classpath_jdwp_event_EventRequest.h"
+#include "native/include/java_nio_ByteBuffer.h"
+#include "native/include/gnu_classpath_jdwp_VMVirtualMachine.h"
+#include "native/include/gnu_classpath_jdwp_VMFrame.h"
+#include "native/include/gnu_classpath_jdwp_VMMethod.h"
#endif
-#include "nativetable.inc"
-
+#if defined(WITH_STATIC_CLASSPATH)
+
+/* these are required to prevent compiler warnings */
+
+#include "native/include/java_net_DatagramPacket.h"
+#include "native/include/java_net_InetAddress.h"
+#include "native/include/java_net_SocketImpl.h"
+
+#include "native/include/gnu_java_net_PlainDatagramSocketImpl.h"
+#include "native/include/gnu_java_net_PlainSocketImpl.h"
+#include "native/include/gnu_java_nio_PipeImpl.h"
+#include "native/include/gnu_java_nio_channels_FileChannelImpl.h"
+#include "native/include/gnu_java_nio_charset_iconv_IconvEncoder.h"
+#include "native/include/gnu_java_nio_charset_iconv_IconvDecoder.h"
+#include "native/include/java_lang_VMProcess.h"
+#include "native/include/java_nio_MappedByteBufferImpl.h"
+#include "native/include/java_nio_channels_spi_SelectorProvider.h"
+
+/* now include the native table */
+
+#include "native/nativetable.inc"
+
+#else /* defined(WITH_STATIC_CLASSPATH) */
+
+/* Ensure that symbols for functions implemented within CACAO are used
+ and exported to dlopen. */
+
+static functionptr dummynativetable[] = {
+ (functionptr) Java_gnu_classpath_VMStackWalker_getClassContext,
+
+ (functionptr) Java_gnu_classpath_VMSystemProperties_preInit,
+
+ (functionptr) Java_gnu_java_lang_management_VMClassLoadingMXBeanImpl_getLoadedClassCount,
+ (functionptr) Java_gnu_java_lang_management_VMClassLoadingMXBeanImpl_getUnloadedClassCount,
+ (functionptr) Java_gnu_java_lang_management_VMClassLoadingMXBeanImpl_isVerbose,
+ (functionptr) Java_gnu_java_lang_management_VMClassLoadingMXBeanImpl_setVerbose,
+
+ (functionptr) Java_gnu_java_lang_management_VMMemoryMXBeanImpl_getHeapMemoryUsage,
+ (functionptr) Java_gnu_java_lang_management_VMMemoryMXBeanImpl_getNonHeapMemoryUsage,
+ (functionptr) Java_gnu_java_lang_management_VMMemoryMXBeanImpl_getObjectPendingFinalizationCount,
+ (functionptr) Java_gnu_java_lang_management_VMMemoryMXBeanImpl_isVerbose,
+ (functionptr) Java_gnu_java_lang_management_VMMemoryMXBeanImpl_setVerbose,
+
+ (functionptr) Java_gnu_java_lang_management_VMRuntimeMXBeanImpl_getInputArguments,
+ (functionptr) Java_gnu_java_lang_management_VMRuntimeMXBeanImpl_getStartTime,
+
+ (functionptr) Java_java_lang_VMClass_isInstance,
+ (functionptr) Java_java_lang_VMClass_isAssignableFrom,
+ (functionptr) Java_java_lang_VMClass_isInterface,
+ (functionptr) Java_java_lang_VMClass_isPrimitive,
+ (functionptr) Java_java_lang_VMClass_getName,
+ (functionptr) Java_java_lang_VMClass_getSuperclass,
+ (functionptr) Java_java_lang_VMClass_getInterfaces,
+ (functionptr) Java_java_lang_VMClass_getComponentType,
+ (functionptr) Java_java_lang_VMClass_getModifiers,
+ (functionptr) Java_java_lang_VMClass_getDeclaringClass,
+ (functionptr) Java_java_lang_VMClass_getDeclaredClasses,
+ (functionptr) Java_java_lang_VMClass_getDeclaredFields,
+ (functionptr) Java_java_lang_VMClass_getDeclaredMethods,
+ (functionptr) Java_java_lang_VMClass_getDeclaredConstructors,
+ (functionptr) Java_java_lang_VMClass_getClassLoader,
+ (functionptr) Java_java_lang_VMClass_forName,
+ (functionptr) Java_java_lang_VMClass_isArray,
+ (functionptr) Java_java_lang_VMClass_throwException,
+
+ (functionptr) Java_java_lang_VMClassLoader_defineClass,
+ (functionptr) Java_java_lang_VMClassLoader_resolveClass,
+ (functionptr) Java_java_lang_VMClassLoader_loadClass,
+ (functionptr) Java_java_lang_VMClassLoader_getPrimitiveClass,
+ (functionptr) Java_java_lang_VMClassLoader_nativeGetResources,
+ (functionptr) Java_java_lang_VMClassLoader_findLoadedClass,
+
+ (functionptr) Java_java_lang_VMObject_getClass,
+ (functionptr) Java_java_lang_VMObject_clone,
+ (functionptr) Java_java_lang_VMObject_notify,
+ (functionptr) Java_java_lang_VMObject_notifyAll,
+ (functionptr) Java_java_lang_VMObject_wait,
+
+ (functionptr) Java_java_lang_VMRuntime_availableProcessors,
+ (functionptr) Java_java_lang_VMRuntime_freeMemory,
+ (functionptr) Java_java_lang_VMRuntime_totalMemory,
+ (functionptr) Java_java_lang_VMRuntime_maxMemory,
+ (functionptr) Java_java_lang_VMRuntime_gc,
+ (functionptr) Java_java_lang_VMRuntime_runFinalization,
+ (functionptr) Java_java_lang_VMRuntime_runFinalizationForExit,
+ (functionptr) Java_java_lang_VMRuntime_traceInstructions,
+ (functionptr) Java_java_lang_VMRuntime_traceMethodCalls,
+ (functionptr) Java_java_lang_VMRuntime_runFinalizersOnExit,
+ (functionptr) Java_java_lang_VMRuntime_exit,
+ (functionptr) Java_java_lang_VMRuntime_nativeLoad,
+ (functionptr) Java_java_lang_VMRuntime_mapLibraryName,
+
+ (functionptr) Java_java_lang_VMString_intern,
+
+ (functionptr) Java_java_lang_VMSystem_arraycopy,
+ (functionptr) Java_java_lang_VMSystem_identityHashCode,
+
+ (functionptr) Java_java_lang_VMThread_start,
+ (functionptr) Java_java_lang_VMThread_interrupt,
+ (functionptr) Java_java_lang_VMThread_isInterrupted,
+ (functionptr) Java_java_lang_VMThread_suspend,
+ (functionptr) Java_java_lang_VMThread_resume,
+ (functionptr) Java_java_lang_VMThread_nativeSetPriority,
+ (functionptr) Java_java_lang_VMThread_nativeStop,
+ (functionptr) Java_java_lang_VMThread_currentThread,
+ (functionptr) Java_java_lang_VMThread_yield,
+ (functionptr) Java_java_lang_VMThread_interrupted,
+ (functionptr) Java_java_lang_VMThread_holdsLock,
+
+ (functionptr) Java_java_lang_VMThrowable_fillInStackTrace,
+ (functionptr) Java_java_lang_VMThrowable_getStackTrace,
+
+ (functionptr) Java_java_lang_management_VMManagementFactory_getMemoryPoolNames,
+ (functionptr) Java_java_lang_management_VMManagementFactory_getMemoryManagerNames,
+ (functionptr) Java_java_lang_management_VMManagementFactory_getGarbageCollectorNames,
+
+ (functionptr) Java_java_lang_reflect_Constructor_getModifiersInternal,
+ (functionptr) Java_java_lang_reflect_Constructor_constructNative,
+
+ (functionptr) Java_java_lang_reflect_Field_getModifiersInternal,
+ (functionptr) Java_java_lang_reflect_Field_getType,
+ (functionptr) Java_java_lang_reflect_Field_get,
+ (functionptr) Java_java_lang_reflect_Field_getBoolean,
+ (functionptr) Java_java_lang_reflect_Field_getByte,
+ (functionptr) Java_java_lang_reflect_Field_getChar,
+ (functionptr) Java_java_lang_reflect_Field_getShort,
+ (functionptr) Java_java_lang_reflect_Field_getInt,
+ (functionptr) Java_java_lang_reflect_Field_getLong,
+ (functionptr) Java_java_lang_reflect_Field_getFloat,
+ (functionptr) Java_java_lang_reflect_Field_getDouble,
+ (functionptr) Java_java_lang_reflect_Field_set,
+ (functionptr) Java_java_lang_reflect_Field_setBoolean,
+ (functionptr) Java_java_lang_reflect_Field_setByte,
+ (functionptr) Java_java_lang_reflect_Field_setChar,
+ (functionptr) Java_java_lang_reflect_Field_setShort,
+ (functionptr) Java_java_lang_reflect_Field_setInt,
+ (functionptr) Java_java_lang_reflect_Field_setLong,
+ (functionptr) Java_java_lang_reflect_Field_setFloat,
+ (functionptr) Java_java_lang_reflect_Field_setDouble,
+
+ (functionptr) Java_java_lang_reflect_Method_getModifiersInternal,
+ (functionptr) Java_java_lang_reflect_Method_getReturnType,
+ (functionptr) Java_java_lang_reflect_Method_getParameterTypes,
+ (functionptr) Java_java_lang_reflect_Method_getExceptionTypes,
+ (functionptr) Java_java_lang_reflect_Method_invokeNative,
+
+ (functionptr) Java_java_lang_reflect_VMProxy_getProxyClass,
+ (functionptr) Java_java_lang_reflect_VMProxy_getProxyData,
+ (functionptr) Java_java_lang_reflect_VMProxy_generateProxyClass,
+
+ (functionptr) Java_java_security_VMAccessController_getStack,
+
+#if defined(ENABLE_JVMTI)
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_suspendThread,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_resumeThread,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_getSuspendCount,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_getAllLoadedClassesCount,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_getClassStatus,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_getAllClassMethods,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_getClassMethod,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_getFrames,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_getFrame,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_getFrameCount,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_getThreadStatus,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_getLoadRequests,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_executeMethod,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_getSourceFile,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_registerEvent,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_unregisterEvent,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_clearEvents,
+ (functionptr) Java_gnu_classpath_jdwp_VMVirtualMachine_getAllLoadedClasses,
+ (functionptr) Java_gnu_classpath_jdwp_VMFrame_setValue,
+ (functionptr) Java_gnu_classpath_jdwp_VMFrame_getValue,
+ (functionptr) Java_gnu_classpath_jdwp_VMMethod_getName,
+ (functionptr) Java_gnu_classpath_jdwp_VMMethod_getSignature,
+ (functionptr) Java_gnu_classpath_jdwp_VMMethod_getModifiers,
+ (functionptr) Java_gnu_classpath_jdwp_VMMethod_getLineTable,
+ (functionptr) Java_gnu_classpath_jdwp_VMMethod_getVariableTable
+#endif
-/******************** systemclasses required for native methods ***************/
+};
-classinfo *class_java_lang_Double;
-classinfo *class_java_lang_Float;
-classinfo *class_java_lang_Long;
-classinfo *class_java_lang_Byte;
-classinfo *class_java_lang_Short;
-classinfo *class_java_lang_Boolean;
-classinfo *class_java_lang_Void;
-classinfo *class_java_lang_Character;
-classinfo *class_java_lang_Integer;
+#endif /* defined(WITH_STATIC_CLASSPATH) */
-methodinfo *method_vmclass_init;
+/* tables for methods *********************************************************/
-/* the system classloader object */
-struct java_lang_ClassLoader *SystemClassLoader = NULL;
+#if defined(WITH_STATIC_CLASSPATH)
+#define NATIVETABLESIZE (sizeof(nativetable)/sizeof(struct nativeref))
+/* table for fast string comparison */
+static nativecompref nativecomptable[NATIVETABLESIZE];
-/** Create a new ProtectionDomain object for a classpath_info structure.
- This object will be used for every java.lang.class object who represents a
- class which has been loaded from the location this classpath_info structure
- points to. **/
-static inline void create_ProtectionDomain(struct classpath_info *cpi) {
- jmethodID mid;
- jobject obj;
+/* string comparsion table initialized */
+static bool nativecompdone = false;
+#endif
- jobject cs;
- jobject pc;
- jobject url;
- classinfo *c;
- classinfo *classpc;
+/* global variables ***********************************************************/
- /* create a new java.io.File object */
- c = class_new(utf_new_char_classname("java/io/File"));
-
- if (!class_load(c) || !class_link(c)) {
- log_text("unable to find java.io.File");
- throw_main_exception_exit();
- }
+#if !defined(WITH_STATIC_CLASSPATH)
+static hashtable *hashtable_library;
+static lt_dlhandle mainhandle;
+#endif
- mid = class_resolvemethod(c, utf_new_char("<init>"), utf_new_char("(Ljava/lang/String;)V"));
- if (mid == NULL) {
- log_text("unable to find constructor in java.io.File");
- cacao_exit(1);
- }
+/* native_loadclasses **********************************************************
- obj = builtin_new (c);
- asm_calljavafunction(mid,obj,javastring_new(utf_new_char(cpi->path)),NULL,NULL);
+ Load classes required for native methods.
- if (*exceptionptr != NULL) {
- utf_display((*exceptionptr)->vftbl->class->name);
- printf ("\n");
- fflush (stdout);
- cacao_exit(1);
- }
+*******************************************************************************/
- /* get URL of CodeSource from java.io.File object */
- mid = class_resolvemethod(c, utf_new_char("toURL"), utf_new_char("()Ljava/net/URL;"));
+bool native_init(void)
+{
+#if !defined(WITH_STATIC_CLASSPATH)
+ void *p;
- if (mid == NULL) {
- log_text("unable to find toURL in java.io.File");
- cacao_exit(1);
- }
+ /* We need to access the dummy native table, not only to remove a
+ warning but to be sure that the table is not optimized away
+ (gcc does this since 3.4). */
- url = asm_calljavafunction(mid,obj,url,NULL,NULL);
+ p = &dummynativetable;
- if (*exceptionptr != NULL) {
- utf_display((*exceptionptr)->vftbl->class->name);
- printf ("\n");
- fflush (stdout);
- cacao_exit(1);
- }
+ /* initialize libltdl */
- /* create a new java.security.CodeSource object */
- c = class_new(utf_new_char_classname("java/security/CodeSource"));
-
- if (!class_load(c) || !class_link(c)) {
- log_text("unable to find java.security.CodeSource");
- throw_main_exception_exit();
- }
-
- mid = class_resolvemethod(c,
- utf_new_char("<init>"),
- utf_new_char("(Ljava/net/URL;[Ljava/security/cert/Certificate;)V"));
+ if (lt_dlinit()) {
+ /* XXX how can we throw an exception here? */
+ log_text(lt_dlerror());
- if (mid == NULL) {
- log_text("unable to find constructor in java.security.CodeSource");
- cacao_exit(1);
+ return false;
}
- cs = builtin_new (c);
- asm_calljavafunction(mid,cs,url,NULL,NULL);
+ /* get the handle for the main program */
- if (*exceptionptr != NULL) {
- utf_display((*exceptionptr)->vftbl->class->name);
- printf ("\n");
- fflush (stdout);
- cacao_exit(1);
- }
+ if (!(mainhandle = lt_dlopen(NULL)))
+ return false;
- /* create a new java.security.PermissionCollection object */
+ /* initialize library hashtable, 10 entries should be enough */
+ hashtable_library = NEW(hashtable);
- classpc = class_new(utf_new_char_classname("java/security/PermissionCollection"));
-
- if (!class_load(c) || !class_link(c)) {
- log_text("unable to find java.security.PermissionCollection");
- throw_main_exception_exit();
- }
+ hashtable_create(hashtable_library, 10);
+#endif
- mid = class_resolvemethod(classpc, utf_new_char("<init>"),
- utf_new_char("()V"));
+ /* everything's ok */
- if (mid == NULL) {
- log_text("unable to find constructor in java.security.PermissionCollection");
- cacao_exit(1);
- }
+ return true;
+}
- pc = builtin_new (classpc);
- asm_calljavafunction(mid,pc,NULL,NULL,NULL);
- if (*exceptionptr != NULL) {
- utf_display((*exceptionptr)->vftbl->class->name);
- printf ("\n");
- fflush (stdout);
- cacao_exit(1);
- }
+/* native_hashtable_library_add ************************************************
- /* add AllPermission - todo: this should not be the default behaviour */
- c = class_new(utf_new_char_classname("java/security/AllPermission"));
-
- if (!class_load(c) || !class_link(c)) {
- log_text("unable to find java.security.AllPermission");
- throw_main_exception_exit();
- }
+ Adds an entry to the native library hashtable.
- mid = class_resolvemethod(c,
- utf_new_char("<init>"),
- utf_new_char("()V"));
+*******************************************************************************/
- if (mid == NULL) {
- log_text("unable to find constructor in java.security.AllPermission");
- cacao_exit(1);
- }
+#if !defined(WITH_STATIC_CLASSPATH)
+void native_hashtable_library_add(utf *filename, java_objectheader *loader,
+ lt_dlhandle handle)
+{
+ hashtable_library_loader_entry *le;
+ hashtable_library_name_entry *ne; /* library name */
+ u4 key; /* hashkey */
+ u4 slot; /* slot in hashtable */
+ LOCK_MONITOR_ENTER(hashtable_library->header);
- obj = builtin_new (c);
- asm_calljavafunction(mid,obj,NULL,NULL,NULL);
+ /* normally addresses are aligned to 4, 8 or 16 bytes */
- if (*exceptionptr != NULL) {
- utf_display((*exceptionptr)->vftbl->class->name);
- printf ("\n");
- fflush (stdout);
- cacao_exit(1);
- }
+ key = ((u4) (ptrint) loader) >> 4; /* align to 16-byte boundaries */
+ slot = key & (hashtable_library->size - 1);
+ le = hashtable_library->ptr[slot];
+ /* search external hash chain for the entry */
- mid = class_resolvemethod(classpc,
- utf_new_char("add"),
- utf_new_char("(Ljava/security/Permission;)V"));
+ while (le) {
+ if (le->loader == loader)
+ break;
- if (mid == NULL) {
- log_text("unable to find add in java.security.PermissionCollection");
- cacao_exit(1);
+ le = le->hashlink; /* next element in external chain */
}
- asm_calljavafunction(mid,pc,obj,NULL,NULL);
- if (*exceptionptr != NULL) {
- utf_display((*exceptionptr)->vftbl->class->name);
- printf ("\n");
- fflush (stdout);
- cacao_exit(1);
- }
+ /* no loader found? create a new entry */
- /* create a new java.security.ProtectionDomain object */
- c = class_new(utf_new_char_classname("java/security/ProtectionDomain"));
-
- if (!class_load(c) || !class_link(c)) {
- log_text("unable to find java.security.ProtectionDomain");
- throw_main_exception_exit();
- }
+ if (le == NULL) {
+ le = NEW(hashtable_library_loader_entry);
- mid = class_resolvemethod(c,
- utf_new_char("<init>"),
- utf_new_char("(Ljava/security/CodeSource;Ljava/security/PermissionCollection;)V"));
+ le->loader = loader;
+ le->namelink = NULL;
- if (mid == NULL) {
- log_text("unable to find constructor in java.security.ProtectionDomain");
- cacao_exit(1);
- }
-
- obj = builtin_new (c);
- asm_calljavafunction(mid,obj,cs,pc,NULL);
-
- if (*exceptionptr != NULL) {
- utf_display((*exceptionptr)->vftbl->class->name);
- printf ("\n");
- fflush (stdout);
- cacao_exit(1);
- }
+ /* insert entry into hashtable */
- cpi->pd = (struct java_security_ProtectionDomain*) obj;
-}
+ le->hashlink =
+ (hashtable_library_loader_entry *) hashtable_library->ptr[slot];
+ hashtable_library->ptr[slot] = le;
+ /* update number of hashtable-entries */
-/************* use classinfo structure as java.lang.Class object **************/
+ hashtable_library->entries++;
+ }
-void use_class_as_object(classinfo *c)
-{
- if (!c->classvftbl) {
- /* is the class loaded */
- if (!c->loaded)
- if (!class_load(c))
- panic("Class could not be loaded in use_class_as_object");
- /* is the class linked */
- if (!c->linked)
- if (!class_link(c))
- panic("Class could not be linked in use_class_as_object");
-
- /*if (class_java_lang_Class ==0) panic("java/lang/Class not loaded in use_class_as_object");
- if (class_java_lang_Class->vftbl ==0) panic ("vftbl == 0 in use_class_as_object");*/
- c->header.vftbl = class_java_lang_Class->vftbl;
- c->classvftbl = true;
-
-
- /* set a real, java object ProtectionDomain and CodeSource.
- Only one ProtectionDomain-object per classpath_info is needed.*/
- if (c->pd != NULL) {
- /* only set ProtectionDomain for non primitive type classes*/
- if (((struct classpath_info*)c->pd)->pd == NULL)
- create_ProtectionDomain((struct classpath_info *)c->pd);
-
- c->pd = ((struct classpath_info*)c->pd)->pd;
- }
- }
-
-}
+ /* search for library name */
-/************************** tables for methods ********************************/
+ ne = le->namelink;
-#undef JOWENN_DEBUG
-#undef JOWENN_DEBUG1
+ while (ne) {
+ if (ne->name == filename) {
+ LOCK_MONITOR_EXIT(hashtable_library->header);
-#ifdef STATIC_CLASSPATH
-#define NATIVETABLESIZE (sizeof(nativetable)/sizeof(struct nativeref))
+ return;
+ }
-/* table for fast string comparison */
-static nativecompref nativecomptable[NATIVETABLESIZE];
+ ne = ne->hashlink; /* next element in external chain */
+ }
-/* string comparsion table initialized */
-static bool nativecompdone = false;
-#endif
+ /* not found? add the library name to the classloader */
+ ne = NEW(hashtable_library_name_entry);
-/* XXX don't define this in a header file!!! */
+ ne->name = filename;
+ ne->handle = handle;
-static struct nativeCall nativeCalls[] =
-{
-#include "nativecalls.inc"
-};
+ /* insert entry into external chain */
-#define NATIVECALLSSIZE (sizeof(nativeCalls) / sizeof(struct nativeCall))
+ ne->hashlink = le->namelink;
+ le->namelink = ne;
-struct nativeCompCall nativeCompCalls[NATIVECALLSSIZE];
+ LOCK_MONITOR_EXIT(hashtable_library->header);
+}
+#endif /* !defined(WITH_STATIC_CLASSPATH) */
-/* native_loadclasses **********************************************************
+/* native_hashtable_library_find ***********************************************
- Load classes required for native methods.
+ Find an entry in the native library hashtable.
*******************************************************************************/
-bool native_init(void)
+#if !defined(WITH_STATIC_CLASSPATH)
+hashtable_library_name_entry *native_hashtable_library_find(utf *filename,
+ java_objectheader *loader)
{
- static int classesLoaded = 0; /*temporary hack JoWenn*/
- void *p;
+ hashtable_library_loader_entry *le;
+ hashtable_library_name_entry *ne; /* library name */
+ u4 key; /* hashkey */
+ u4 slot; /* slot in hashtable */
- if (classesLoaded)
- return true;
+ /* normally addresses are aligned to 4, 8 or 16 bytes */
- classesLoaded = 1;
+ key = ((u4) (ptrint) loader) >> 4; /* align to 16-byte boundaries */
+ slot = key & (hashtable_library->size - 1);
+ le = hashtable_library->ptr[slot];
-#if !defined(STATIC_CLASSPATH)
- /* We need to access the dummy native table, not only to remove a warning */
- /* but to be sure that the table is not optimized away (gcc does this */
- /* since 3.4). */
- p = &dummynativetable;
-#endif
+ /* search external hash chain for the entry */
- /* load classes for wrapping primitive types */
+ while (le) {
+ if (le->loader == loader)
+ break;
- if (!class_load(class_java_lang_Void) ||
- !class_link(class_java_lang_Void))
- return false;
-
- if (!class_load(class_java_lang_Boolean) ||
- !class_link(class_java_lang_Boolean))
- return false;
-
- if (!class_load(class_java_lang_Byte) ||
- !class_link(class_java_lang_Byte))
- return false;
+ le = le->hashlink; /* next element in external chain */
+ }
- if (!class_load(class_java_lang_Character) ||
- !class_link(class_java_lang_Character))
- return false;
+ /* no loader found? return NULL */
- if (!class_load(class_java_lang_Short) ||
- !class_link(class_java_lang_Short))
- return false;
+ if (!le)
+ return NULL;
- if (!class_load(class_java_lang_Integer) ||
- !class_link(class_java_lang_Integer))
- return false;
+ /* search for library name */
- if (!class_load(class_java_lang_Long) ||
- !class_link(class_java_lang_Long))
- return false;
+ ne = le->namelink;
- if (!class_load(class_java_lang_Float) ||
- !class_link(class_java_lang_Float))
- return false;
+ while (ne) {
+ if (ne->name == filename)
+ return ne;
- if (!class_load(class_java_lang_Double) ||
- !class_link(class_java_lang_Double))
- return false;
+ ne = ne->hashlink; /* next element in external chain */
+ }
- /* everything's ok */
+ /* return entry, if no entry was found, ne is NULL */
- return true;
+ return ne;
}
+#endif /* !defined(WITH_STATIC_CLASSPATH) */
-/*********************** Function: native_findfunction *************************
+/* native_findfunction *********************************************************
- Looks up a method (must have the same class name, method name, descriptor
- and 'static'ness) and returns a function pointer to it.
- Returns: function pointer or NULL (if there is no such method)
+ Looks up a method (must have the same class name, method name,
+ descriptor and 'static'ness) and returns a function pointer to it.
+ Returns: function pointer or NULL (if there is no such method)
- Remark: For faster operation, the names/descriptors are converted from C
- strings to Unicode the first time this function is called.
+ Remark: For faster operation, the names/descriptors are converted
+ from C strings to Unicode the first time this function is called.
*******************************************************************************/
-functionptr native_findfunction(utf *cname, utf *mname,
- utf *desc, bool isstatic)
+#if defined(WITH_STATIC_CLASSPATH)
+functionptr native_findfunction(utf *cname, utf *mname, utf *desc,
+ bool isstatic)
{
-#ifdef STATIC_CLASSPATH
- int i;
/* entry of table for fast string comparison */
struct nativecompref *n;
- /* for warning message if no function is found */
- char *buffer;
- int buffer_len;
+ s4 i;
isstatic = isstatic ? true : false;
for (i = 0; i < NATIVETABLESIZE; i++) {
nativecomptable[i].classname =
utf_new_char(nativetable[i].classname);
+
nativecomptable[i].methodname =
utf_new_char(nativetable[i].methodname);
- nativecomptable[i].descriptor =
+
+ nativecomptable[i].descriptor =
utf_new_char(nativetable[i].descriptor);
- nativecomptable[i].isstatic =
- nativetable[i].isstatic;
- nativecomptable[i].func =
- nativetable[i].func;
+
+ nativecomptable[i].isstatic = nativetable[i].isstatic;
+ nativecomptable[i].func = nativetable[i].func;
}
+
nativecompdone = true;
}
-#ifdef JOWENN_DEBUG
- buffer_len =
- utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
-
- buffer = MNEW(char, buffer_len);
-
- strcpy(buffer, "searching matching function in native table:");
- utf_sprint(buffer+strlen(buffer), mname);
- strcpy(buffer+strlen(buffer), ": ");
- utf_sprint(buffer+strlen(buffer), desc);
- strcpy(buffer+strlen(buffer), " for class ");
- utf_sprint(buffer+strlen(buffer), cname);
-
- log_text(buffer);
-
- MFREE(buffer, char, buffer_len);
-#endif
-
for (i = 0; i < NATIVETABLESIZE; i++) {
n = &(nativecomptable[i]);
if (cname == n->classname && mname == n->methodname &&
desc == n->descriptor && isstatic == n->isstatic)
return n->func;
-#ifdef JOWENN_DEBUG
- else {
- if (cname == n->classname && mname == n->methodname ) log_text("static and descriptor mismatch");
-
- else {
- buffer_len =
- utf_strlen(n->classname) + utf_strlen(n->methodname) + utf_strlen(n->descriptor) + 64;
-
- buffer = MNEW(char, buffer_len);
+ }
- strcpy(buffer, "comparing with:");
- utf_sprint(buffer+strlen(buffer), n->methodname);
- strcpy (buffer+strlen(buffer), ": ");
- utf_sprint(buffer+strlen(buffer), n->descriptor);
- strcpy(buffer+strlen(buffer), " for class ");
- utf_sprint(buffer+strlen(buffer), n->classname);
+
+ /* no function was found, throw exception */
- log_text(buffer);
+ *exceptionptr =
+ new_exception_utfmessage(string_java_lang_UnsatisfiedLinkError,
+ mname);
- MFREE(buffer, char, buffer_len);
- }
- }
-#endif
- }
+ return NULL;
+}
+#endif /* defined(WITH_STATIC_CLASSPATH) */
-
- /* no function was found, display warning */
- buffer_len =
- utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
+/* native_make_overloaded_function *********************************************
- buffer = MNEW(char, buffer_len);
+ XXX
- strcpy(buffer, "warning: native function ");
- utf_sprint(buffer + strlen(buffer), mname);
- strcpy(buffer + strlen(buffer), ": ");
- utf_sprint(buffer + strlen(buffer), desc);
- strcpy(buffer + strlen(buffer), " not found in class ");
- utf_sprint(buffer + strlen(buffer), cname);
+*******************************************************************************/
- log_text(buffer);
+#if !defined(WITH_STATIC_CLASSPATH)
+static char *native_make_overloaded_function(char *name, utf *desc)
+{
+ char *newname;
+ s4 namelen;
+ char *utf_ptr;
+ u2 c;
+ s4 i;
+
+ utf_ptr = desc->text;
+ namelen = strlen(name) + strlen("__") + strlen("0");
+
+ /* calculate additional length */
+
+ while ((c = utf_nextu2(&utf_ptr)) != ')') {
+ switch (c) {
+ case 'Z':
+ case 'B':
+ case 'C':
+ case 'S':
+ case 'I':
+ case 'J':
+ case 'F':
+ case 'D':
+ namelen++;
+ break;
+ case '[':
+ namelen += 2;
+ break;
+ case 'L':
+ namelen++;
+ while (utf_nextu2(&utf_ptr) != ';')
+ namelen++;
+ namelen += 2;
+ break;
+ case '(':
+ break;
+ default:
+ assert(0);
+ }
+ }
- MFREE(buffer, char, buffer_len);
-/* exit(1); */
+ /* reallocate memory */
+
+ i = strlen(name);
+
+ newname = DMNEW(char, namelen);
+ MCOPY(newname, name, char, i);
+
+ utf_ptr = desc->text;
+
+ newname[i++] = '_';
+ newname[i++] = '_';
+
+ while ((c = utf_nextu2(&utf_ptr)) != ')') {
+ switch (c) {
+ case 'Z':
+ case 'B':
+ case 'C':
+ case 'S':
+ case 'J':
+ case 'I':
+ case 'F':
+ case 'D':
+ newname[i++] = c;
+ break;
+ case '[':
+ newname[i++] = '_';
+ newname[i++] = '3';
+ break;
+ case 'L':
+ newname[i++] = 'L';
+ while ((c = utf_nextu2(&utf_ptr)) != ';')
+ if (((c >= 'a') && (c <= 'z')) ||
+ ((c >= 'A') && (c <= 'Z')) ||
+ ((c >= '0') && (c <= '9')))
+ newname[i++] = c;
+ else
+ newname[i++] = '_';
+ newname[i++] = '_';
+ newname[i++] = '2';
+ break;
+ case '(':
+ break;
+ default:
+ assert(0);
+ }
+ }
- /* keep compiler happy */
- return NULL;
-#else
-/* dynamic classpath */
- return 0;
-#endif
+ /* close string */
+
+ newname[i] = '\0';
+
+ return newname;
}
-/****************** function class_findfield_approx ****************************
-
- searches in 'classinfo'-structure for a field with the
- specified name
+/* native_resolve_function *****************************************************
+
+ Resolves a native function, maybe from a dynamic library.
*******************************************************************************/
-
-fieldinfo *class_findfield_approx(classinfo *c, utf *name)
+
+functionptr native_resolve_function(methodinfo *m)
{
- s4 i;
+ lt_ptr sym;
+ char *name;
+ char *newname;
+ s4 namelen;
+ char *utf_ptr;
+ char *utf_endptr;
+ s4 dumpsize;
+ hashtable_library_loader_entry *le;
+ hashtable_library_name_entry *ne;
+ u4 key; /* hashkey */
+ u4 slot; /* slot in hashtable */
+ u4 i;
+
+
+ /* verbose output */
+
+ if (opt_verbosejni) {
+ printf("[Dynamic-linking native method ");
+ utf_display_printable_ascii_classname(m->class->name);
+ printf(".");
+ utf_display_printable_ascii(m->name);
+ printf(" ... ");
+ }
+
+ /* calculate length of native function name */
+
+ namelen = strlen("Java_") + utf_get_number_of_u2s(m->class->name) + strlen("_") +
+ utf_get_number_of_u2s(m->name) + strlen("0");
+
+ /* check for underscores in class name */
+
+ utf_ptr = m->class->name->text;
+ utf_endptr = UTF_END(m->class->name);
+
+ while (utf_ptr < utf_endptr)
+ if (utf_nextu2(&utf_ptr) == '_')
+ namelen++;
+
+ /* check for underscores in method name */
+
+ utf_ptr = m->name->text;
+ utf_endptr = UTF_END(m->name);
+
+ while (utf_ptr < utf_endptr)
+ if (utf_nextu2(&utf_ptr) == '_')
+ namelen++;
- for (i = 0; i < c->fieldscount; i++) {
- /* compare field names */
- if ((c->fields[i].name == name))
- return &(c->fields[i]);
+ /* allocate memory */
+
+ dumpsize = dump_size();
+
+ name = DMNEW(char, namelen);
+
+
+ /* generate name of native functions */
+
+ strcpy(name, "Java_");
+ i = strlen("Java_");
+
+ utf_ptr = m->class->name->text;
+ utf_endptr = UTF_END(m->class->name);
+
+ for (; utf_ptr < utf_endptr; utf_ptr++, i++) {
+ name[i] = *utf_ptr;
+
+ /* escape sequence for '_' is '_1' */
+
+ if (name[i] == '_')
+ name[++i] = '1';
+
+ /* replace '/' with '_' */
+
+ if (name[i] == '/')
+ name[i] = '_';
}
- /* field was not found, raise exception */
- *exceptionptr = new_exception(string_java_lang_NoSuchFieldException);
+ /* seperator between class and method */
- return NULL;
-}
+ name[i++] = '_';
+ utf_ptr = m->name->text;
+ utf_endptr = UTF_END(m->name);
-s4 class_findfield_index_approx(classinfo *c, utf *name)
-{
- s4 i;
+ for (; utf_ptr < utf_endptr; utf_ptr++, i++) {
+ name[i] = *utf_ptr;
+
+ /* escape sequence for '_' is '_1' */
+
+ if (name[i] == '_')
+ name[++i] = '1';
+ }
- for (i = 0; i < c->fieldscount; i++) {
- /* compare field names */
- if ((c->fields[i].name == name))
- return i;
+ /* close string */
+
+ name[i] = '\0';
+
+
+ /* generate overloaded function (having the types in it's name) */
+
+ newname = native_make_overloaded_function(name, m->descriptor);
+
+ /* check the library hash entries of the classloader of the
+ methods's class */
+
+ sym = NULL;
+
+ /* normally addresses are aligned to 4, 8 or 16 bytes */
+
+ key = ((u4) (ptrint) m->class->classloader) >> 4; /* align to 16-byte */
+ slot = key & (hashtable_library->size - 1);
+ le = hashtable_library->ptr[slot];
+
+ /* iterate through loaders in this hash slot */
+
+ while ((le != NULL) && (sym == NULL)) {
+ /* iterate through names in this loader */
+
+ ne = le->namelink;
+
+ while ((ne != NULL) && (sym == NULL)) {
+ sym = lt_dlsym(ne->handle, name);
+
+ if (sym == NULL)
+ sym = lt_dlsym(ne->handle, newname);
+
+ ne = ne->hashlink;
+ }
+
+ le = le->hashlink;
}
- /* field was not found, raise exception */
- *exceptionptr = new_exception(string_java_lang_NoSuchFieldException);
+ if (sym != NULL)
+ if (opt_verbosejni)
+ printf("JNI ]\n");
+
+
+ /* If not found, try to find the native function symbol in the
+ main program. */
- return -1;
+ if (sym == NULL) {
+ sym = lt_dlsym(mainhandle, name);
+
+ if (sym == NULL)
+ sym = lt_dlsym(mainhandle, newname);
+
+ if (sym != NULL)
+ if (opt_verbosejni)
+ printf("internal ]\n");
+ }
+
+
+#if defined(ENABLE_JVMTI)
+ /* fire Native Method Bind event */
+ if (jvmti) jvmti_NativeMethodBind(m, sym, &sym);
+#endif
+
+ /* no symbol found? throw exception */
+
+ if (sym == NULL) {
+ if (opt_verbosejni)
+ printf("failed ]\n");
+
+ *exceptionptr =
+ new_exception_utfmessage(string_java_lang_UnsatisfiedLinkError,
+ m->name);
+ }
+
+ /* release memory */
+
+ dump_release(dumpsize);
+
+ return (functionptr) (ptrint) sym;
}
+#endif /* !defined(WITH_STATIC_CLASSPATH) */
/* native_new_and_init *********************************************************
if (!o)
return NULL;
- /* find initializer */
+ /* try to find the initializer */
m = class_findmethod(c, utf_init, utf_void__void);
- /* initializer not found */
+ /* ATTENTION: returning the object here is ok, since the class may
+ not have an initializer */
if (!m)
return o;
/* call initializer */
- asm_calljavafunction(m, o, NULL, NULL, NULL);
+ (void) vm_call_method(m, o);
return o;
}
/* call initializer */
- asm_calljavafunction(m, o, s, NULL, NULL);
+ (void) vm_call_method(m, o, s);
return o;
}
/* call initializer */
- asm_calljavafunction(m, o, (void *) (ptrint) i, NULL, NULL);
+ (void) vm_call_method(m, o, i);
return o;
}
/* call initializer */
- asm_calljavafunction(m, o, t, NULL, NULL);
+ (void) vm_call_method(m, o, t);
return o;
}
-void copy_vftbl(vftbl_t **dest, vftbl_t *src)
-{
- *dest = src;
-#if 0
- /* XXX this kind of copying does not work (in the general
- * case). The interface tables would have to be copied, too. I
- * don't see why we should make a copy anyway. -Edwin
- */
- *dest = mem_alloc(sizeof(vftbl) + sizeof(methodptr)*(src->vftbllength-1));
- memcpy(*dest, src, sizeof(vftbl) - sizeof(methodptr));
- memcpy(&(*dest)->table, &src->table, src->vftbllength * sizeof(methodptr));
-#endif
-}
-
-
-/******************************************************************************************
-
- creates method signature (excluding return type) from array of
- class-objects representing the parameters of the method
-
-*******************************************************************************************/
-
-
-utf *create_methodsig(java_objectarray* types, char *retType)
-{
- char *buffer; /* buffer for building the desciptor */
- char *pos; /* current position in buffer */
- utf *result; /* the method signature */
- u4 buffer_size = 3; /* minimal size=3: room for parenthesis and returntype */
- u4 i, j;
-
- if (!types) return NULL;
-
- /* determine required buffer-size */
- for (i = 0; i < types->header.size; i++) {
- classinfo *c = (classinfo *) types->data[i];
- buffer_size = buffer_size + c->name->blength + 2;
- }
-
- if (retType) buffer_size += strlen(retType);
-
- /* allocate buffer */
- buffer = MNEW(char, buffer_size);
- pos = buffer;
-
- /* method-desciptor starts with parenthesis */
- *pos++ = '(';
-
- for (i = 0; i < types->header.size; i++) {
- char ch;
-
- /* current argument */
- classinfo *c = (classinfo *) types->data[i];
-
- /* current position in utf-text */
- char *utf_ptr = c->name->text;
-
- /* determine type of argument */
- if ((ch = utf_nextu2(&utf_ptr)) == '[') {
- /* arrayclass */
- for (utf_ptr--; utf_ptr < utf_end(c->name); utf_ptr++) {
- *pos++ = *utf_ptr; /* copy text */
- }
-
- } else {
- /* check for primitive types */
- for (j = 0; j < PRIMITIVETYPE_COUNT; j++) {
- char *utf_pos = utf_ptr - 1;
- char *primitive = primitivetype_table[j].wrapname;
-
- /* compare text */
- while (utf_pos < utf_end(c->name)) {
- if (*utf_pos++ != *primitive++) goto nomatch;
- }
-
- /* primitive type found */
- *pos++ = primitivetype_table[j].typesig;
- goto next_type;
-
- nomatch:
- ;
- }
-
- /* no primitive type and no arrayclass, so must be object */
- *pos++ = 'L';
-
- /* copy text */
- for (utf_ptr--; utf_ptr < utf_end(c->name); utf_ptr++) {
- *pos++ = *utf_ptr;
- }
-
- *pos++ = ';';
-
- next_type:
- ;
- }
- }
-
- *pos++ = ')';
-
- if (retType) {
- for (i = 0; i < strlen(retType); i++) {
- *pos++ = retType[i];
- }
- }
-
- /* create utf-string */
- result = utf_new(buffer, (pos - buffer));
- MFREE(buffer, char, buffer_size);
-
- return result;
-}
-
-
-/******************************************************************************************
-
- retrieve the next argument or returntype from a descriptor
- and return the corresponding class
-
-*******************************************************************************************/
-
-classinfo *get_type(char **utf_ptr,char *desc_end, bool skip)
-{
- classinfo *c = class_from_descriptor(*utf_ptr,desc_end,utf_ptr,
- (skip) ? CLASSLOAD_SKIP : CLASSLOAD_LOAD);
- if (!c)
- /* unknown type */
- panic("illegal descriptor");
-
- if (skip) return NULL;
-
- use_class_as_object(c);
- return c;
-}
-
-
-/* get_parametertypes **********************************************************
-
- use the descriptor of a method to generate a java/lang/Class array
- which contains the classes of the parametertypes of the method
-
-*******************************************************************************/
-
-java_objectarray* get_parametertypes(methodinfo *m)
-{
- utf *descr = m->descriptor; /* method-descriptor */
- char *utf_ptr = descr->text; /* current position in utf-text */
- char *desc_end = utf_end(descr); /* points behind utf string */
- java_objectarray* result;
- int parametercount = 0;
- int i;
-
- /* skip '(' */
- utf_nextu2(&utf_ptr);
-
- /* determine number of parameters */
- while (*utf_ptr != ')') {
- get_type(&utf_ptr, desc_end, true);
- parametercount++;
- }
-
- /* create class-array */
- result = builtin_anewarray(parametercount, class_java_lang_Class);
-
- utf_ptr = descr->text;
- utf_nextu2(&utf_ptr);
-
- /* get returntype classes */
- for (i = 0; i < parametercount; i++)
- result->data[i] =
- (java_objectheader *) get_type(&utf_ptr, desc_end, false);
-
- return result;
-}
-
-
-/* get_exceptiontypes **********************************************************
+/* native_get_parametertypes ***************************************************
- get the exceptions which can be thrown by a method
+ Use the descriptor of a method to generate a java/lang/Class array
+ which contains the classes of the parametertypes of the method.
*******************************************************************************/
-java_objectarray* get_exceptiontypes(methodinfo *m)
+java_objectarray *native_get_parametertypes(methodinfo *m)
{
- u2 excount;
- u2 i;
- java_objectarray *result;
-
- excount = m->thrownexceptionscount;
+ methoddesc *md;
+ typedesc *paramtypes;
+ s4 paramcount;
+ java_objectarray *oa;
+ s4 i;
- /* create class-array */
- result = builtin_anewarray(excount, class_java_lang_Class);
-
- for (i = 0; i < excount; i++) {
- java_objectheader *o = (java_objectheader *) (m->thrownexceptions[i]);
- use_class_as_object((classinfo *) o);
- result->data[i] = o;
- }
-
- return result;
-}
+ md = m->parseddesc;
+ /* is the descriptor fully parsed? */
+ if (!m->parseddesc->params)
+ if (!descriptor_params_from_paramtypes(md, m->flags))
+ return NULL;
+ paramtypes = md->paramtypes;
+ paramcount = md->paramcount;
+ /* skip `this' pointer */
-/******************************************************************************************
+ if (!(m->flags & ACC_STATIC)) {
+ paramtypes++;
+ paramcount--;
+ }
- get the returntype class of a method
+ /* create class-array */
-*******************************************************************************************/
+ oa = builtin_anewarray(paramcount, class_java_lang_Class);
-classinfo *get_returntype(methodinfo *m)
-{
- char *utf_ptr; /* current position in utf-text */
- char *desc_end; /* points behind utf string */
- utf *desc = m->descriptor; /* method-descriptor */
+ if (!oa)
+ return NULL;
- utf_ptr = desc->text;
- desc_end = utf_end(desc);
+ /* get classes */
- /* ignore parametertypes */
- while ((utf_ptr<desc_end) && utf_nextu2(&utf_ptr)!=')')
- /* skip */ ;
+ for (i = 0; i < paramcount; i++)
+ if (!resolve_class_from_typedesc(¶mtypes[i], true, false,
+ (classinfo **) &oa->data[i]))
+ return NULL;
- return get_type(&utf_ptr,desc_end, false);
+ return oa;
}
-/*****************************************************************************/
-/*****************************************************************************/
-
-
-/*--------------------------------------------------------*/
-void printNativeCall(nativeCall nc) {
- int i,j;
-
- printf("\n%s's Native Methods call:\n",nc.classname); fflush(stdout);
- for (i=0; i<nc.methCnt; i++) {
- printf("\tMethod=%s %s\n",nc.methods[i].methodname, nc.methods[i].descriptor);fflush(stdout);
-
- for (j=0; j<nc.callCnt[i]; j++) {
- printf("\t\t<%i,%i>aCalled = %s %s %s\n",i,j,
- nc.methods[i].methodCalls[j].classname,
- nc.methods[i].methodCalls[j].methodname,
- nc.methods[i].methodCalls[j].descriptor);fflush(stdout);
- }
- }
- printf("-+++++--------------------\n");fflush(stdout);
-}
+/* native_get_exceptiontypes ***************************************************
-/*--------------------------------------------------------*/
-void printCompNativeCall(nativeCompCall nc) {
- int i,j;
- printf("printCompNativeCall BEGIN\n");fflush(stdout);
- printf("\n%s's Native Comp Methods call:\n",nc.classname->text);fflush(stdout);
- utf_display(nc.classname); fflush(stdout);
-
- for (i=0; i<nc.methCnt; i++) {
- printf("\tMethod=%s %s\n",nc.methods[i].methodname->text,nc.methods[i].descriptor->text);fflush(stdout);
- utf_display(nc.methods[i].methodname); fflush(stdout);
- utf_display(nc.methods[i].descriptor);fflush(stdout);
- printf("\n");fflush(stdout);
-
- for (j=0; j<nc.callCnt[i]; j++) {
- printf("\t\t<%i,%i>bCalled = ",i,j);fflush(stdout);
- utf_display(nc.methods[i].methodCalls[j].classname);fflush(stdout);
- utf_display(nc.methods[i].methodCalls[j].methodname); fflush(stdout);
- utf_display(nc.methods[i].methodCalls[j].descriptor);fflush(stdout);
- printf("\n");fflush(stdout);
- }
- }
-printf("---------------------\n");fflush(stdout);
-}
+ Get the exceptions which can be thrown by a method.
+*******************************************************************************/
-/*--------------------------------------------------------*/
-classMeth findNativeMethodCalls(utf *c, utf *m, utf *d )
+java_objectarray *native_get_exceptiontypes(methodinfo *m)
{
- int i = 0;
- int j = 0;
- int cnt = 0;
- classMeth mc;
- mc.i_class = i;
- mc.j_method = j;
- mc.methCnt = cnt;
-
- return mc;
-}
-
-/*--------------------------------------------------------*/
-nativeCall* findNativeClassCalls(char *aclassname ) {
-int i;
-
-for (i=0;i<NATIVECALLSSIZE; i++) {
- /* convert table to utf later to speed up search */
- if (strcmp(nativeCalls[i].classname, aclassname) == 0)
- return &nativeCalls[i];
- }
-
-return NULL;
-}
-/*--------------------------------------------------------*/
-/*--------------------------------------------------------*/
-void utfNativeCall(nativeCall nc, nativeCompCall *ncc) {
- int i,j;
-
-
- ncc->classname = utf_new_char(nc.classname);
- ncc->methCnt = nc.methCnt;
-
- for (i=0; i<nc.methCnt; i++) {
- ncc->methods[i].methodname = utf_new_char(nc.methods[i].methodname);
- ncc->methods[i].descriptor = utf_new_char(nc.methods[i].descriptor);
- ncc->callCnt[i] = nc.callCnt[i];
-
- for (j=0; j<nc.callCnt[i]; j++) {
-
- ncc->methods[i].methodCalls[j].classname = utf_new_char(nc.methods[i].methodCalls[j].classname);
-
- if (strcmp("", nc.methods[i].methodCalls[j].methodname) != 0) {
- ncc->methods[i].methodCalls[j].methodname = utf_new_char(nc.methods[i].methodCalls[j].methodname);
- ncc->methods[i].methodCalls[j].descriptor = utf_new_char(nc.methods[i].methodCalls[j].descriptor);
- }
- else {
- ncc->methods[i].methodCalls[j].methodname = NULL;
- ncc->methods[i].methodCalls[j].descriptor = NULL;
- }
- }
- }
-}
-
+ java_objectarray *oa;
+ classinfo *c;
+ u2 i;
+ /* create class-array */
-/*--------------------------------------------------------*/
+ oa = builtin_anewarray(m->thrownexceptionscount, class_java_lang_Class);
-bool natcall2utf(bool natcallcompdone) {
-int i;
+ if (!oa)
+ return NULL;
-if (natcallcompdone)
- return true;
+ for (i = 0; i < m->thrownexceptionscount; i++) {
+ if (!resolve_classref_or_classinfo(NULL, m->thrownexceptions[i],
+ resolveEager, true, false, &c))
+ return NULL;
-for (i=0;i<NATIVECALLSSIZE; i++) {
- utfNativeCall (nativeCalls[i], &nativeCompCalls[i]);
- }
+ oa->data[i] = (java_objectheader *) c;
+ }
-return true;
+ return oa;
}
-/*--------------------------------------------------------*/
-
-
-java_objectarray *builtin_asm_createclasscontextarray(classinfo **end, classinfo **start)
-{
-#if defined(__GNUC__)
-#warning platform dependend
-#endif
- java_objectarray *tmpArray;
- int i;
- classinfo **current;
- classinfo *c;
- size_t size;
-
- size = (((size_t) start) - ((size_t) end)) / sizeof(classinfo*);
-
- /*printf("end %p, start %p, size %ld\n",end,start,size);*/
- if (!class_java_lang_Class)
- class_java_lang_Class = class_new(utf_new_char("java/lang/Class"));
-
- if (!class_java_lang_SecurityManager)
- class_java_lang_SecurityManager =
- class_new(utf_new_char("java/lang/SecurityManager"));
- if (size > 0) {
- if (start == class_java_lang_SecurityManager) {
- size--;
- start--;
- }
- }
+/* native_get_returntype *******************************************************
- tmpArray =
- builtin_newarray(size, class_array_of(class_java_lang_Class)->vftbl);
-
- for(i = 0, current = start; i < size; i++, current--) {
- c = *current;
- /* printf("%d\n",i);
- utf_display(c->name);*/
- use_class_as_object(c);
- tmpArray->data[i] = (java_objectheader *) c;
- }
-
- return tmpArray;
-}
+ Get the returntype class of a method.
+*******************************************************************************/
-java_lang_ClassLoader *builtin_asm_getclassloader(classinfo **end, classinfo **start)
+classinfo *native_get_returntype(methodinfo *m)
{
-#if defined(__GNUC__)
-#warning platform dependend
-#endif
- int i;
- classinfo **current;
classinfo *c;
- classinfo *privilegedAction;
- size_t size;
-
- size = (((size_t) start) - ((size_t) end)) / sizeof(classinfo*);
-
- /* log_text("builtin_asm_getclassloader");
- printf("end %p, start %p, size %ld\n",end,start,size);*/
-
- if (!class_java_lang_SecurityManager)
- class_java_lang_SecurityManager =
- class_new(utf_new_char("java/lang/SecurityManager"));
-
- if (size > 0) {
- if (start == class_java_lang_SecurityManager) {
- size--;
- start--;
- }
- }
-
- privilegedAction=class_new(utf_new_char("java/security/PrivilegedAction"));
- for(i = 0, current = start; i < size; i++, current--) {
- c = *current;
-
- if (c == privilegedAction)
- return NULL;
-
- if (c->classloader)
- return (java_lang_ClassLoader *) c->classloader;
- }
-
- return NULL;
-
- /*
- log_text("Java_java_lang_VMSecurityManager_currentClassLoader");
- init_systemclassloader();
+ if (!resolve_class_from_typedesc(&(m->parseddesc->returntype), true, false,
+ &c))
+ return NULL;
- return SystemClassLoader;*/
+ return c;
}
projects / cacao.git / blobdiff