-/****************************** native.c ***************************************
+/* native.c - table of native functions
- Copyright (c) 1997 A. Krall, R. Grafl, M. Gschwind, M. Probst
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
+ M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
+ P. Tomsich, J. Wenninger
- See file COPYRIGHT for information on usage and disclaimer of warranties
+ This file is part of CACAO.
- Enth"alt die Tabellen f"ur die native-methods.
- Die vom Headerfile-Generator erzeugten -.hh - Dateien werden hier
- eingebunden, und ebenso alle C-Funktionen, mit denen diese
- Methoden implementiert werden.
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
- Authors: Reinhard Grafl EMAIL: cacao@complang.tuwien.ac.at
- Roman Obermaisser EMAIL: cacao@complang.tuwien.ac.at
- Andreas Krall EMAIL: cacao@complang.tuwien.ac.at
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
- Last Change: 1996/11/14
+ 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.
-*******************************************************************************/
+ Contact: cacao@complang.tuwien.ac.at
+
+ 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.
+
+ $Id: native.c 676 2003-11-24 20:50:23Z 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 "global.h"
+#include "jni.h"
#include "native.h"
#include "nativetypes.hh"
#include "builtin.h"
#include "asmpart.h"
#include "tables.h"
#include "loader.h"
-#include <math.h>
-#include <string.h>
-#include <assert.h>
-#include <sys/time.h>
-
-#include "threads/thread.h" /* schani */
+#include "toolbox/loging.h"
+#include "threads/thread.h"
+#include "threads/threadio.h"
#include "threads/locks.h"
-/* INCLUDE-Files fuer IO-Funktionen */
+/* Include files for IO functions */
#include <fcntl.h>
#include <dirent.h>
#endif
#include <sys/stat.h>
-#include "../threads/threadio.h"
+#include "threads/threadio.h"
/* searchpath for classfiles */
-static char *classpath;
+char *classpath;
/* for java-string to char conversion */
#define MAXSTRINGSIZE 1000
/******************** systemclasses required for native methods ***************/
-static classinfo *class_java_lang_Class;
-static classinfo *class_java_lang_Cloneable;
-static classinfo *class_java_lang_CloneNotSupportedException;
-static classinfo *class_java_lang_System;
-static classinfo *class_java_lang_ClassLoader;
-static classinfo *class_java_lang_ClassNotFoundException;
-static classinfo *class_java_lang_InstantiationException;
-static classinfo *class_java_lang_NoSuchMethodError;
-static classinfo *class_java_lang_NoSuchFieldError;
-static classinfo *class_java_lang_ClassFormatError;
-static classinfo *class_java_lang_IllegalArgumentException;
-static classinfo *class_java_lang_ArrayIndexOutOfBoundsException;
-static classinfo *class_java_lang_NoSuchFieldException;
-static classinfo *class_java_io_SyncFailedException;
-static classinfo *class_java_io_IOException;
-static classinfo *class_java_io_UnixFileSystem;
-static classinfo *class_java_security_PrivilegedActionException;
-static classinfo *class_java_net_UnknownHostException;
-static classinfo *class_java_net_SocketException;
-static classinfo *class_java_lang_NoSuchMethodException;
-static classinfo *class_java_lang_Double;
-static classinfo *class_java_lang_Float;
-static classinfo *class_java_lang_Long;
-static classinfo *class_java_lang_Byte;
-static classinfo *class_java_lang_Short;
-static classinfo *class_java_lang_Boolean;
-static classinfo *class_java_lang_Void;
-static classinfo *class_java_lang_Character;
-static classinfo *class_java_lang_Integer;
+classinfo *class_java_lang_Class;
+classinfo *class_java_lang_VMClass;
+methodinfo *method_vmclass_init;
+/* static classinfo *class_java_lang_Cloneable=0; */ /* now in global.h */
+classinfo *class_java_lang_CloneNotSupportedException;
+classinfo *class_java_lang_System;
+classinfo *class_java_lang_ClassLoader;
+classinfo *class_java_lang_ClassNotFoundException;
+classinfo *class_java_lang_InstantiationException;
+classinfo *class_java_lang_NoSuchMethodError;
+classinfo *class_java_lang_NoSuchFieldError;
+classinfo *class_java_lang_ClassFormatError;
+classinfo *class_java_lang_IllegalArgumentException;
+classinfo *class_java_lang_ArrayIndexOutOfBoundsException;
+classinfo *class_java_lang_NoSuchFieldException;
+classinfo *class_java_io_SyncFailedException;
+classinfo *class_java_io_IOException;
+classinfo *class_java_io_FileNotFoundException;
+classinfo *class_java_io_UnixFileSystem;
+classinfo *class_java_security_PrivilegedActionException;
+classinfo *class_java_net_UnknownHostException;
+classinfo *class_java_net_SocketException;
+classinfo *class_java_lang_NoSuchMethodException;
+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;
/* the system classloader object */
struct java_lang_ClassLoader *SystemClassLoader = NULL;
/************* use classinfo structure as java.lang.Class object **************/
-static void use_class_as_object (classinfo *c)
+void use_class_as_object(classinfo *c)
{
- c->header.vftbl = class_java_lang_Class -> vftbl;
+ /*log_text("use_class_as_object");*/
+ if (!class_java_lang_Class)
+ class_java_lang_Class =
+ class_new ( utf_new_char ("java/lang/Class") );
+ vftbl *vt = class_java_lang_Class->vftbl;
+ vftbl *newtbl;
+ if (!c->classvftbl) {
+ c->classvftbl = true;
+ copy_vftbl(&newtbl, vt);
+ newtbl->class = c->header.vftbl->class;
+ newtbl->baseval = c->header.vftbl->baseval;
+ newtbl->diffval = c->header.vftbl->diffval;
+ c->header.vftbl = newtbl;
+ }
+
+ if (!class_java_lang_VMClass) {
+ class_java_lang_VMClass =
+ class_new ( utf_new_char("java/lang/VMClass"));
+ method_vmclass_init =
+ class_findmethod(class_java_lang_VMClass,utf_new_char("<init>"),
+ utf_new_char("(Lgnu/classpath/RawData;)V"));
+ if (method_vmclass_init==0) {
+ class_showmethods(class_java_lang_VMClass);
+ panic("Needed class initializer for VMClass could not be found");
+ }
+ }
+ {
+ java_objectheader *vmo = builtin_new (class_java_lang_VMClass);
+ asm_calljavamethod (method_vmclass_init, vmo, c, NULL, NULL);
+ c->vmClass=(java_lang_VMClass*)vmo;
+ }
}
-/*********************** include Java Native Interface ************************/
-
-#include "jni.c"
/*************************** include native methods ***************************/
-#include "nat/Object.c"
-#include "nat/String.c"
-#include "nat/ClassLoader.c"
-#include "nat/Class.c"
-#include "nat/Compiler.c"
-#include "nat/Double.c"
-#include "nat/Float.c"
-#include "nat/Math.c"
-#include "nat/Package.c"
-#include "nat/Runtime.c"
-#include "nat/SecurityManager.c"
-#include "nat/System.c"
-#include "nat/Thread.c"
-#include "nat/Throwable.c"
-#include "nat/Finalizer.c"
-#include "nat/Array.c"
-#include "nat/Constructor.c"
-#include "nat/Field.c"
-#include "nat/Method.c"
-#include "nat/FileDescriptor.c"
-#include "nat/FileInputStream.c"
-#include "nat/FileOutputStream.c"
-#include "nat/FileSystem.c"
-#include "nat/ObjectInputStream.c"
-#include "nat/ObjectStreamClass.c"
-#include "nat/RandomAccessFile.c"
-#include "nat/ResourceBundle.c"
-#include "nat/JarFile.c"
-#include "nat/Adler32.c"
-#include "nat/CRC32.c"
-#include "nat/Deflater.c"
-#include "nat/Inflater.c"
-#include "nat/ZipEntry.c"
-#include "nat/ZipFile.c"
-#include "nat/BigInteger.c"
-#include "nat/InetAddress.c"
-#include "nat/InetAddressImpl.c"
-#include "nat/DatagramPacket.c"
-#include "nat/PlainDatagramSocketImpl.c"
-#include "nat/PlainSocketImpl.c"
-#include "nat/SocketInputStream.c"
-#include "nat/SocketOutputStream.c"
-#include "nat/AccessController.c"
-#include "nat/ClassLoader_NativeLibrary.c"
-#include "nat/UnixFileSystem.c"
+#ifdef USE_GTK
+#include "nat/GdkGraphics.c"
+#include "nat/GtkComponentPeer.c"
+#include "nat/GdkPixbufDecoder.c"
+#include "nat/GtkScrollPanePeer.c"
+#include "nat/GtkFileDialogPeer.c"
+#include "nat/GtkLabelPeer.c"
+#endif
+
/************************** tables for methods ********************************/
+#undef JOWENN_DEBUG
+#undef JOWENN_DEBUG1
+
/* table for locating native methods */
static struct nativeref {
char *classname;
utf *descriptor;
bool isstatic;
functionptr func;
- } nativecomptable [NATIVETABLESIZE];
+} nativecomptable [NATIVETABLESIZE];
/* string comparsion table initialized */
static bool nativecompdone = false;
+/******************************************************************************/
+/******************************************************************************/
+#include "natcalls.h"
+
+/* string call comparison table initialized */
+
+/******************************************************************************/
+/******************************************************************************/
+
+/*--------------- native method calls & classes used -------------------------*/
+
+
+
+
/*********************** function: native_loadclasses **************************
load classes required for native methods
void native_loadclasses()
{
+ static int classesLoaded=0; /*temporary hack JoWenn*/
+ if (classesLoaded) return;
+ classesLoaded=1;
+/* log_text("loadclasses entered");*/
+
+
+ /*class_java_lang_System =*/
+ (void)class_new ( utf_new_char ("java/lang/VMClass") );/*JoWenn*/
+ (void)class_new ( utf_new_char ("java/lang/Class") );/*JoWenn*/
/* class_new adds the class to the list of classes to be loaded */
- class_java_lang_Cloneable =
- class_new ( utf_new_char ("java/lang/Cloneable") );
+ if (!class_java_lang_Cloneable)
+ class_java_lang_Cloneable =
+ class_new ( utf_new_char ("java/lang/Cloneable") );
+/* log_text("loadclasses: class_java_lang_Cloneable has been initialized");*/
class_java_lang_CloneNotSupportedException =
class_new ( utf_new_char ("java/lang/CloneNotSupportedException") );
- class_java_lang_Class =
- class_new ( utf_new_char ("java/lang/Class") );
+ if (!class_java_lang_Class)
+ class_java_lang_Class =
+ class_new ( utf_new_char ("java/lang/Class") );
class_java_io_IOException =
- class_new ( utf_new_char ("java/io/IOException") );
+ class_new(utf_new_char("java/io/IOException"));
+ class_java_io_FileNotFoundException =
+ class_new(utf_new_char("java/io/FileNotFoundException"));
class_java_lang_ClassNotFoundException =
- class_new ( utf_new_char ("java/lang/ClassNotFoundException") );
+ class_new(utf_new_char("java/lang/ClassNotFoundException"));
class_java_lang_InstantiationException =
- class_new ( utf_new_char ("java/lang/InstantiationException") );
+ class_new(utf_new_char("java/lang/InstantiationException"));
class_java_lang_NoSuchMethodError =
- class_new ( utf_new_char ("java/lang/NoSuchMethodError") );
+ class_new(utf_new_char("java/lang/NoSuchMethodError"));
class_java_lang_NoSuchFieldError =
- class_new ( utf_new_char ("java/lang/NoSuchFieldError") );
+ class_new(utf_new_char("java/lang/NoSuchFieldError"));
class_java_lang_ClassFormatError =
- class_new ( utf_new_char ("java/lang/ClassFormatError") );
+ class_new(utf_new_char("java/lang/ClassFormatError"));
class_java_io_SyncFailedException =
class_new ( utf_new_char ("java/io/SyncFailedException") );
- class_java_io_UnixFileSystem =
- class_new ( utf_new_char ("java/io/UnixFileSystem") );
- class_java_lang_System =
- class_new ( utf_new_char ("java/lang/System") );
+
+/* log_text("native_loadclasses: class_new(\"java/lang/ClassLoader\")"); */
class_java_lang_ClassLoader =
class_new ( utf_new_char ("java/lang/ClassLoader") );
+/* log_text("native_loadclasses: class_new(\"java/security/PrivilegedActionException\")"); */
class_java_security_PrivilegedActionException =
- class_new( utf_new_char("java/security/PrivilegedActionException"));
+ class_new(utf_new_char("java/security/PrivilegedActionException"));
+
class_java_net_UnknownHostException =
- loader_load( utf_new_char ("java/net/UnknownHostException") );
+ loader_load(utf_new_char("java/net/UnknownHostException"));
class_java_net_SocketException =
- loader_load( utf_new_char ("java/net/SocketException") );
+ loader_load(utf_new_char("java/net/SocketException"));
+
class_java_lang_IllegalArgumentException =
- class_new( utf_new_char("java/lang/IllegalArgumentException"));
+ class_new(utf_new_char("java/lang/IllegalArgumentException"));
class_java_lang_ArrayIndexOutOfBoundsException =
- class_new( utf_new_char ("java/lang/ArrayIndexOutOfBoundsException") );
+ class_new(utf_new_char("java/lang/ArrayIndexOutOfBoundsException"));
class_java_lang_NoSuchFieldException =
- class_new( utf_new_char ("java/lang/NoSuchFieldException") );
+ class_new(utf_new_char("java/lang/NoSuchFieldException"));
class_java_lang_NoSuchMethodException =
- class_new( utf_new_char ("java/lang/NoSuchMethodException") );
+ class_new(utf_new_char("java/lang/NoSuchMethodException"));
/* load classes for wrapping primitive types */
class_java_lang_Double =
class_new( utf_new_char ("java/lang/Double") );
+ class_init(class_java_lang_Double);
+
class_java_lang_Float =
- class_new( utf_new_char ("java/lang/Float") );
+ class_new(utf_new_char("java/lang/Float"));
class_java_lang_Character =
- class_new( utf_new_char ("java/lang/Character") );
+ class_new(utf_new_char("java/lang/Character"));
class_java_lang_Integer =
- class_new( utf_new_char ("java/lang/Integer") );
+ class_new(utf_new_char("java/lang/Integer"));
class_java_lang_Long =
- class_new( utf_new_char ("java/lang/Long") );
+ class_new(utf_new_char("java/lang/Long"));
class_java_lang_Byte =
- class_new( utf_new_char ("java/lang/Byte") );
+ class_new(utf_new_char("java/lang/Byte"));
class_java_lang_Short =
- class_new( utf_new_char ("java/lang/Short") );
+ class_new(utf_new_char("java/lang/Short"));
class_java_lang_Boolean =
- class_new( utf_new_char ("java/lang/Boolean") );
+ class_new(utf_new_char("java/lang/Boolean"));
class_java_lang_Void =
- class_new( utf_new_char ("java/lang/Void") );
+ class_new(utf_new_char("java/lang/Void"));
/* load to avoid dynamic classloading */
- class_new(utf_new_char("sun/net/www/protocol/file/Handler"));
+/*JoWenn class_new(utf_new_char("sun/net/www/protocol/file/Handler"));
class_new(utf_new_char("sun/net/www/protocol/jar/Handler"));
- class_new(utf_new_char("sun/io/CharToByteISO8859_1"));
+ class_new(utf_new_char("sun/io/CharToByteISO8859_1"));*/
/* start classloader */
- loader_load(utf_new_char("sun/io/ByteToCharISO8859_1"));
+/*JoWenn loader_load(utf_new_char("sun/io/ByteToCharISO8859_1")); */
+
+ classesLoaded=1;
+ log_text("native_loadclasses finished");
}
void systemclassloader_addclass(classinfo *c)
{
- methodinfo *m;
+ methodinfo *m;
/* find method addClass of java.lang.ClassLoader */
- m = class_resolvemethod (
- class_java_lang_ClassLoader,
- utf_new_char("addClass"),
- utf_new_char("(Ljava/lang/Class;)")
- );
-
+ m = class_resolvemethod(
+ class_java_lang_ClassLoader,
+ utf_new_char("addClass"),
+ utf_new_char("(Ljava/lang/Class;)")
+ );
+
if (!m) panic("warning: cannot initialize classloader");
/* prepare class to be passed as argument */
- use_class_as_object (c);
+ use_class_as_object (c);
/* call 'addClass' */
asm_calljavamethod(m,
- (java_objectheader*) SystemClassLoader,
- (java_objectheader*) c,
- NULL,
- NULL
- );
+ (java_objectheader*) SystemClassLoader,
+ (java_objectheader*) c,
+ NULL,
+ NULL
+ );
}
/*************** adds a library to the vector of loaded libraries *************/
void systemclassloader_addlibrary(java_objectheader *o)
{
- methodinfo *m;
-
- /* find method addElement of java.util.Vector */
- m = class_resolvemethod (
- loader_load ( utf_new_char ("java/util/Vector") ),
- utf_new_char("addElement"),
- utf_new_char("(Ljava/lang/Object;)V")
- );
-
- if (!m) panic("cannot initialize classloader");
-
- /* call 'addElement' */
- asm_calljavamethod(m,
- SystemClassLoader->nativeLibraries,
- o,
- NULL,
- NULL
- );
+ log_text("systemclassloader_addlibrary");
}
/*****************************************************************************
void init_systemclassloader()
{
if (!SystemClassLoader) {
-
+ native_loadclasses();
+ log_text("Initializing new system class loader");
/* create object and call initializer */
SystemClassLoader = (java_lang_ClassLoader*) native_new_and_init(class_java_lang_ClassLoader);
heap_addreference((void**) &SystemClassLoader);
SystemClassLoader->parent = NULL;
SystemClassLoader->initialized = true;
}
+ log_text("leaving system class loader");
}
void systemclassloader_addlibname(java_objectheader *o)
{
- methodinfo *m;
- java_objectheader *LibraryNameVector;
+ methodinfo *m;
jfieldID id;
- m = class_resolvemethod (
- loader_load ( utf_new_char ("java/util/Vector") ),
- utf_new_char("addElement"),
- utf_new_char("(Ljava/lang/Object;)V")
- );
+ m = class_resolvemethod(loader_load(utf_new_char ("java/util/Vector")),
+ utf_new_char("addElement"),
+ utf_new_char("(Ljava/lang/Object;)V")
+ );
if (!m) panic("cannot initialize classloader");
- id = env.GetStaticFieldID(&env,class_java_lang_ClassLoader,"loadedLibraryNames","Ljava/util/Vector;");
+ id = envTable.GetStaticFieldID(&env,class_java_lang_ClassLoader,"loadedLibraryNames","Ljava/util/Vector;");
if (!id) panic("can not access ClassLoader");
asm_calljavamethod(m,
- GetStaticObjectField(&env,class_java_lang_ClassLoader,id),
- o,
- NULL,
- NULL
- );
+ GetStaticObjectField(&env,class_java_lang_ClassLoader,id),
+ o,
+ NULL,
+ NULL
+ );
}
classpath = path;
}
+
/***************** function: throw_classnotfoundexception *********************/
void throw_classnotfoundexception()
{
+ if (!class_java_lang_ClassNotFoundException) {
+ panic("java.lang.ClassNotFoundException not found. Maybe wrong classpath?");
+ }
+
/* throws a ClassNotFoundException */
- exceptionptr = native_new_and_init (class_java_lang_ClassNotFoundException);
+ exceptionptr = native_new_and_init(class_java_lang_ClassNotFoundException);
+}
+
+
+void throw_classnotfoundexception2(utf* classname)
+{
+ if (!class_java_lang_ClassNotFoundException) {
+ panic("java.lang.ClassNotFoundException not found. Maybe wrong classpath?");
+ }
+
+ /* throws a ClassNotFoundException with message */
+ exceptionptr = native_new_and_init_string(class_java_lang_ClassNotFoundException,
+ javastring_new(classname));
}
-/*********************** Funktion: native_findfunction *************************
+/*********************** Function: native_findfunction *************************
- Sucht in der Tabelle die passende Methode (muss mit Klassennamen,
- Methodennamen, Descriptor und 'static'-Status "ubereinstimmen),
- und gibt den Funktionszeiger darauf zur"uck.
- Return: Funktionszeiger oder NULL (wenn es keine solche Methode gibt)
+ 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)
- Anmerkung: Zu Beschleunigung des Suchens werden die als C-Strings
- vorliegenden Namen/Descriptors in entsprechende unicode-Symbole
- umgewandelt (beim ersten Aufruf dieser Funktion).
+ 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)
+functionptr native_findfunction(utf *cname, utf *mname,
+ utf *desc, bool isstatic)
{
int i;
/* entry of table for fast string comparison */
struct nativecompref *n;
- /* for warning message if no function is found */
+ /* for warning message if no function is found */
char *buffer;
- int buffer_len, pos;
+ int buffer_len;
isstatic = isstatic ? true : false;
-
+
if (!nativecompdone) {
for (i = 0; i < NATIVETABLESIZE; i++) {
nativecomptable[i].classname =
- utf_new_char(nativetable[i].classname);
+ utf_new_char(nativetable[i].classname);
nativecomptable[i].methodname =
- utf_new_char(nativetable[i].methodname);
+ utf_new_char(nativetable[i].methodname);
nativecomptable[i].descriptor =
- utf_new_char(nativetable[i].descriptor);
+ utf_new_char(nativetable[i].descriptor);
nativecomptable[i].isstatic =
- nativetable[i].isstatic;
+ nativetable[i].isstatic;
nativecomptable[i].func =
- nativetable[i].func;
- }
- nativecompdone = true;
+ 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);
+
+ log_text(buffer);
+
+ MFREE(buffer, char, buffer_len);
+
+ }
+ }
+#endif
+ }
+
/* no function was found, display warning */
buffer_len =
- utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
+ utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
buffer = MNEW(char, buffer_len);
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);
+ 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);
MFREE(buffer, char, buffer_len);
+
+ exit(1);
+
+
return NULL;
}
java_chararray *a;
s4 i;
+/* log_text("javastring_new");*/
+
s = (java_lang_String*) builtin_new (class_java_lang_String);
a = builtin_newarray_char (utflength);
a->data[i] = utf_nextu2(&utf_ptr);
/* set fields of the javastring-object */
- s -> value = a;
- s -> offset = 0;
- s -> count = utflength;
+ s->value = a;
+ s->offset = 0;
+ s->count = utflength;
return (java_objectheader*) s;
}
java_lang_String *s; /* result-string */
java_chararray *a;
+ /*log_text("javastring_new_char");*/
s = (java_lang_String*) builtin_new (class_java_lang_String);
a = builtin_newarray_char (len);
a->data[i] = text[i];
/* set fields of the javastring-object */
- s -> value = a;
- s -> offset = 0;
- s -> count = len;
+ s->value = a;
+ s->offset = 0;
+ s->count = len;
return (java_objectheader*) s;
}
java_chararray *a;
s4 i;
+ log_text("javastring_tochar");
+
if (!s)
return "";
a = s->value;
*******************************************************************************/
-fieldinfo *class_findfield_approx (classinfo *c, utf *name)
+fieldinfo *class_findfield_approx(classinfo *c, utf *name)
{
s4 i;
for (i = 0; i < c->fieldscount; i++) {
/* compare field names */
if ((c->fields[i].name == name))
return &(c->fields[i]);
- }
+ }
/* field was not found, raise exception */
exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
+
return NULL;
}
+s4 class_findfield_index_approx (classinfo *c, utf *name)
+{
+ s4 i;
+ for (i = 0; i < c->fieldscount; i++) {
+ /* compare field names */
+ if ((c->fields[i].name == name))
+ return i;
+ }
+
+ /* field was not found, raise exception */
+ exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
+ return -1;
+}
+
/********************** function: native_new_and_init *************************
*******************************************************************************/
-java_objectheader *native_new_and_init (classinfo *c)
+java_objectheader *native_new_and_init(classinfo *c)
{
methodinfo *m;
- java_objectheader *o = builtin_new (c); /* create object */
+ java_objectheader *o = builtin_new(c); /* create object */
+ /*
+ printf("native_new_and_init ");
+ utf_display(c->name);
+ printf("\n");
+ */
if (!o) return NULL;
-
+ /* printf("o!=NULL\n"); */
/* find initializer */
m = class_findmethod(c, utf_new_char("<init>"), utf_new_char("()V"));
sprintf(logtext, "Warning: class has no instance-initializer: ");
utf_sprint(logtext + strlen(logtext), c->name);
dolog();
- }
+ }
return o;
+ }
+
+ /* call initializer */
+
+ asm_calljavamethod(m, o, NULL, NULL, NULL);
+
+ return o;
+}
+
+
+java_objectheader *native_new_and_init_string(classinfo *c, java_lang_String *s)
+{
+ methodinfo *m;
+ java_objectheader *o = builtin_new(c); /* create object */
+
+ if (!o) return NULL;
+
+ /* find initializer */
+
+ m = class_findmethod(c,
+ utf_new_char("<init>"),
+ utf_new_char("(Ljava/lang/String;)V"));
+
+ if (!m) { /* initializer not found */
+ if (verbose) {
+ sprintf(logtext, "Warning: class has no instance-initializer: ");
+ utf_sprint(logtext + strlen(logtext), c->name);
+ dolog();
}
+ return o;
+ }
/* call initializer */
- asm_calljavamethod (m, o, NULL, NULL, NULL);
+ asm_calljavamethod(m, o, s, NULL, NULL);
+
return o;
}
+
/******************** function: stringtable_update ****************************
traverses the javastring hashtable and sets the vftbl-entries of
if (!a->header.objheader.vftbl)
/* vftbl of character-array is NULL */
- a->header.objheader.vftbl = class_array -> vftbl;
+ a->header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
/* follow link in external hash chain */
s = s->hashlink;
utf *result; /* resulting utf-string */
int i;
- /* determine utf length in bytes and allocate memory */
+ /* determine utf length in bytes and allocate memory */
+ /* printf("utf_new_u2: unicode_length=%d\n",unicode_length); */
buflength = u2_utflength(unicode_pos, unicode_length);
buffer = MNEW(char,buflength);
/* memory allocation failed */
- if (!buffer) return NULL;
+ if (!buffer) {
+ printf("length: %d\n",buflength);
+ log_text("utf_new_u2:buffer==NULL");
+ }
left = buflength;
pos = buffer;
/* insert utf-string into symbol-table */
result = utf_new(buffer,buflength);
+
MFREE(buffer, char, buflength);
return result;
}
utf *javastring_toutf(java_lang_String *string, bool isclassname)
{
java_lang_String *str = (java_lang_String *) string;
- return utf_new_u2(str->value->data,str->count, isclassname);
+/* printf("javastring_toutf offset: %d, len %d\n",str->offset, str->count);
+ fflush(stdout);*/
+ return utf_new_u2(str->value->data+str->offset,str->count, isclassname);
}
/********************* function: literalstring_u2 *****************************
u4 slot;
u2 i;
+#if JOWENN_DEBUG1
+ printf("literalstring_u2: length: %d\n",length);
+ log_text("literalstring_u2");
+#endif
+
/* find location in hashtable */
key = unicode_hashkey (a->data, length);
slot = key & (string_hash.size-1);
if (!copymode)
lit_mem_free(a, sizeof(java_chararray) + sizeof(u2)*(length-1)+10);
+#ifdef JOWENN_DEBUG1
+ log_text("literalstring_u2: foundentry");
+ utf_display(javastring_toutf(js,0));
+#endif
return (java_objectheader *) js;
}
stringdata = a;
/* location in hashtable found, complete arrayheader */
- if (class_array==NULL) panic("class_array not initialized");
- stringdata -> header.objheader.vftbl = class_array -> vftbl;
+ stringdata -> header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
stringdata -> header.size = length;
- stringdata -> header.arraytype = ARRAYTYPE_CHAR;
/* create new javastring */
js = LNEW (java_lang_String);
MFREE (string_hash.ptr, void*, string_hash.size);
string_hash = newhash;
}
+#ifdef JOWENN_DEBUG1
+ log_text("literalstring_u2: newly created");
+/* utf_display(javastring_toutf(js,0));*/
+#endif
return (java_objectheader *) js;
}
-/******************** Funktion: literalstring_new *****************************
+/******************** Function: literalstring_new *****************************
creates a new javastring with the text of the utf-symbol
and inserts it into the string hashtable
char *utf_ptr = u->text; /* pointer to current unicode character in utf string */
u4 utflength = utf_strlen(u); /* length of utf-string if uncompressed */
java_chararray *a; /* u2-array constructed from utf string */
- java_objectheader *js;
u4 i;
-
+/* log_text("literalstring_new"); */
+/* utf_display(u);*/
+ /*if (utflength==0) while (1) sleep(60);*/
+/* log_text("------------------"); */
/* allocate memory */
a = lit_mem_alloc (sizeof(java_chararray) + sizeof(u2)*(utflength-1)+10 );
/* convert utf-string to u2-array */
+void copy_vftbl(vftbl **dest, vftbl *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(u1, 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, u1, 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;
+}
+
+
+/******************************************************************************************
+
+ 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 the returntype class of a method
+
+*******************************************************************************************/
+
+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 */
+
+ utf_ptr = desc->text;
+ desc_end = utf_end(desc);
+
+ /* ignore parametertypes */
+ while ((utf_ptr<desc_end) && utf_nextu2(&utf_ptr)!=')')
+ /* skip */ ;
+
+ return get_type(&utf_ptr,desc_end, false);
+}
+
+
+/*****************************************************************************/
+/*****************************************************************************/
+
+
+/*--------------------------------------------------------*/
+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);
+}
+/*--------------------------------------------------------*/
+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);
+}
+
+
+/*--------------------------------------------------------*/
+classMeth findNativeMethodCalls(utf *c, utf *m, utf *d )
+{
+ 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;
+ }
+ }
+ }
+}
+
+
+
+/*--------------------------------------------------------*/
+
+bool natcall2utf(bool natcallcompdone) {
+int i;
+
+if (natcallcompdone)
+ return true;
+
+for (i=0;i<NATIVECALLSSIZE; i++) {
+ utfNativeCall (nativeCalls[i], &nativeCompCalls[i]);
+ }
+
+return true;
+}
+/*--------------------------------------------------------*/
+
+
+/*
+ * These are local overrides for various environment variables in Emacs.
+ * Please do not remove this and leave it at the end of the file, where
+ * Emacs will automagically detect them.
+ * ---------------------------------------------------------------------
+ * Local variables:
+ * mode: c
+ * indent-tabs-mode: t
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */