-/****************************** 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.
- Contains the tables for native methods.
- The .hh files created with the header file generator are all included here
- as are the C functions implementing these methods.
-
- 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 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.
- Last Change: 2003/02/26
+ 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.
-*******************************************************************************/
+ 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 1361 2004-07-28 10:51:14Z twisti $
+
+*/
+
+#include <stdlib.h>
#include <unistd.h>
#include <time.h>
-#include "global.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 <utime.h>
-#include <sys/utsname.h>
-#include "threads/thread.h" /* schani */
+#include "config.h"
+#include "exceptions.h"
+#include "global.h"
+#include "options.h"
+#include "jni.h"
+#include "native.h"
+#include "builtin.h"
+#include "asmpart.h"
+#include "tables.h"
+#include "loader.h"
+#include "jni.h"
+#include "jit/jit.h"
+#include "toolbox/logging.h"
+#include "toolbox/memory.h"
+#include "threads/thread.h"
+#include "threads/threadio.h"
#include "threads/locks.h"
+#include "nat/java_lang_VMClass.h"
+#include "nat/java_lang_Throwable.h"
/* Include files for IO functions */
#endif
#include <sys/stat.h>
-#include "../threads/threadio.h"
+#include "threads/threadio.h"
+
+/* include table of native functions */
+
+#include "nativetable.inc"
-/* searchpath for classfiles */
-static 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_FileNotFoundException;
-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;
+classinfo *class_java_lang_System;
+classinfo *class_java_lang_ClassLoader;
+classinfo *class_gnu_java_lang_SystemClassLoader;
+classinfo *class_java_lang_SecurityManager;
+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;
+
+methodinfo *method_vmclass_init;
+
/* the system classloader object */
struct java_lang_ClassLoader *SystemClassLoader = NULL;
/* for raising exceptions from native methods */
-java_objectheader* exceptionptr = NULL;
+#if !defined(USE_THREADS) || !defined(NATIVE_THREADS)
+java_objectheader* _exceptionptr = NULL;
+#endif
/************* use classinfo structure as java.lang.Class object **************/
-static void use_class_as_object (classinfo *c)
+void use_class_as_object(classinfo *c)
{
- vftbl *vt = class_java_lang_Class -> vftbl;
- vftbl *newtbl;
if (!c->classvftbl) {
+ c->header.vftbl = class_java_lang_Class->vftbl;
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;
- }
+ }
+
}
-/*********************** 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"
-
-/************************** tables for methods ********************************/
-
-/* table for locating native methods */
-static struct nativeref {
- char *classname;
- char *methodname;
- char *descriptor;
- bool isstatic;
- functionptr func;
-} nativetable [] = {
+#ifdef USE_GTK
+#include "nat/GdkGraphics.c"
+#include "nat/GtkComponentPeer.c"
+#include "nat/GdkPixbufDecoder.c"
+#include "nat/GtkScrollPanePeer.c"
+#include "nat/GtkFileDialogPeer.c"
+#endif
-#include "nativetable.hh"
-};
+/************************** tables for methods ********************************/
+#undef JOWENN_DEBUG
+#undef JOWENN_DEBUG1
#define NATIVETABLESIZE (sizeof(nativetable)/sizeof(struct nativeref))
/* table for fast string comparison */
-static struct nativecompref {
- utf *classname;
- utf *methodname;
- utf *descriptor;
- bool isstatic;
- functionptr func;
- } nativecomptable [NATIVETABLESIZE];
+static nativecompref nativecomptable[NATIVETABLESIZE];
/* string comparsion table initialized */
static bool nativecompdone = false;
+/******************************************************************************/
+
+#include "natcalls.h"
+
+
/*********************** function: native_loadclasses **************************
load classes required for native methods
void native_loadclasses()
{
- /* 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") );
- class_java_lang_CloneNotSupportedException =
- class_new ( utf_new_char ("java/lang/CloneNotSupportedException") );
- 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_java_io_FileNotFoundException =
- class_new ( utf_new_char ("java/io/FileNotFoundException") );
- class_java_lang_ClassNotFoundException =
- class_new ( utf_new_char ("java/lang/ClassNotFoundException") );
- class_java_lang_InstantiationException =
- class_new ( utf_new_char ("java/lang/InstantiationException") );
- class_java_lang_NoSuchMethodError =
- class_new ( utf_new_char ("java/lang/NoSuchMethodError") );
- class_java_lang_NoSuchFieldError =
- class_new ( utf_new_char ("java/lang/NoSuchFieldError") );
- class_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") );
- class_java_lang_ClassLoader =
- class_new ( utf_new_char ("java/lang/ClassLoader") );
- class_java_security_PrivilegedActionException =
- class_new( utf_new_char("java/security/PrivilegedActionException"));
- class_java_net_UnknownHostException =
- loader_load( utf_new_char ("java/net/UnknownHostException") );
- class_java_net_SocketException =
- loader_load( utf_new_char ("java/net/SocketException") );
- class_java_lang_IllegalArgumentException =
- class_new( utf_new_char("java/lang/IllegalArgumentException"));
- class_java_lang_ArrayIndexOutOfBoundsException =
- class_new( utf_new_char ("java/lang/ArrayIndexOutOfBoundsException") );
- class_java_lang_NoSuchFieldException =
- class_new( utf_new_char ("java/lang/NoSuchFieldException") );
- class_java_lang_NoSuchMethodException =
- class_new( utf_new_char ("java/lang/NoSuchMethodException") );
+ static int classesLoaded = 0; /*temporary hack JoWenn*/
- /* load classes for wrapping primitive types */
- class_java_lang_Double =
- class_new( utf_new_char ("java/lang/Double") );
- class_java_lang_Float =
- class_new( utf_new_char ("java/lang/Float") );
- class_java_lang_Character =
- class_new( utf_new_char ("java/lang/Character") );
- class_java_lang_Integer =
- class_new( utf_new_char ("java/lang/Integer") );
- class_java_lang_Long =
- class_new( utf_new_char ("java/lang/Long") );
- class_java_lang_Byte =
- class_new( utf_new_char ("java/lang/Byte") );
- class_java_lang_Short =
- class_new( utf_new_char ("java/lang/Short") );
- class_java_lang_Boolean =
- class_new( utf_new_char ("java/lang/Boolean") );
- class_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"));
- class_new(utf_new_char("sun/net/www/protocol/jar/Handler"));
- class_new(utf_new_char("sun/io/CharToByteISO8859_1"));
-
- /* start classloader */
- loader_load(utf_new_char("sun/io/ByteToCharISO8859_1"));
-}
+ if (classesLoaded)
+ return;
+ classesLoaded = 1;
-/*************** adds a class to the vector of loaded classes ****************/
+ class_java_lang_Cloneable =
+ class_new(utf_new_char("java/lang/Cloneable"));
+ class_load(class_java_lang_Cloneable);
+ class_link(class_java_lang_Cloneable);
-void systemclassloader_addclass(classinfo *c)
-{
- methodinfo *m;
+ class_java_lang_Class =
+ class_new(utf_new_char("java/lang/Class"));
+ class_load(class_java_lang_Class);
+ class_link(class_java_lang_Class);
- /* find method addClass of java.lang.ClassLoader */
- m = class_resolvemethod (
- class_java_lang_ClassLoader,
- utf_new_char("addClass"),
- utf_new_char("(Ljava/lang/Class;)")
- );
+ class_java_lang_VMClass =
+ class_new(utf_new_char("java/lang/VMClass"));
+ class_load(class_java_lang_VMClass);
+ class_link(class_java_lang_VMClass);
- if (!m) panic("warning: cannot initialize classloader");
+ class_java_lang_ClassLoader =
+ class_new(utf_new_char("java/lang/ClassLoader"));
+ class_load(class_java_lang_ClassLoader);
+ class_link(class_java_lang_ClassLoader);
- /* prepare class to be passed as argument */
- use_class_as_object (c);
+ /* load classes for wrapping primitive types */
+ class_java_lang_Double = class_new(utf_new_char("java/lang/Double"));
+ class_load(class_java_lang_Double);
+ class_link(class_java_lang_Double);
- /* call 'addClass' */
- asm_calljavamethod(m,
- (java_objectheader*) SystemClassLoader,
- (java_objectheader*) c,
- NULL,
- NULL
- );
-}
+ class_java_lang_Float = class_new(utf_new_char("java/lang/Float"));
+ class_load(class_java_lang_Float);
+ class_link(class_java_lang_Float);
-/*************** adds a library to the vector of loaded libraries *************/
+ class_java_lang_Character = class_new(utf_new_char("java/lang/Character"));
+ class_load(class_java_lang_Character);
+ class_link(class_java_lang_Character);
-void systemclassloader_addlibrary(java_objectheader *o)
-{
- methodinfo *m;
+ class_java_lang_Integer = class_new(utf_new_char("java/lang/Integer"));
+ class_load(class_java_lang_Integer);
+ class_link(class_java_lang_Integer);
- /* 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")
- );
+ class_java_lang_Long = class_new(utf_new_char("java/lang/Long"));
+ class_load(class_java_lang_Long);
+ class_link(class_java_lang_Long);
- if (!m) panic("cannot initialize classloader");
+ class_java_lang_Byte = class_new(utf_new_char("java/lang/Byte"));
+ class_load(class_java_lang_Byte);
+ class_link(class_java_lang_Byte);
- /* call 'addElement' */
- asm_calljavamethod(m,
- SystemClassLoader->nativeLibraries,
- o,
- NULL,
- NULL
- );
-}
+ class_java_lang_Short = class_new(utf_new_char("java/lang/Short"));
+ class_load(class_java_lang_Short);
+ class_link(class_java_lang_Short);
-/*****************************************************************************
+ class_java_lang_Boolean = class_new(utf_new_char("java/lang/Boolean"));
+ class_load(class_java_lang_Boolean);
+ class_link(class_java_lang_Boolean);
- create systemclassloader object and initialize instance fields
+ class_java_lang_Void = class_new(utf_new_char("java/lang/Void"));
+ class_load(class_java_lang_Void);
+ class_link(class_java_lang_Void);
-******************************************************************************/
-
-void init_systemclassloader()
-{
- if (!SystemClassLoader) {
-
- /* create object and call initializer */
- SystemClassLoader = (java_lang_ClassLoader*) native_new_and_init(class_java_lang_ClassLoader);
- heap_addreference((void**) &SystemClassLoader);
-
- /* systemclassloader has no parent */
- SystemClassLoader->parent = NULL;
- SystemClassLoader->initialized = true;
- }
}
-/********************* add loaded library name *******************************/
-
-void systemclassloader_addlibname(java_objectheader *o)
-{
- methodinfo *m;
- java_objectheader *LibraryNameVector;
- jfieldID id;
-
- 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;");
- if (!id) panic("can not access ClassLoader");
-
- asm_calljavamethod(m,
- GetStaticObjectField(&env,class_java_lang_ClassLoader,id),
- o,
- NULL,
- NULL
- );
-}
-
+/*****************************************************************************
-/********************* function: native_setclasspath **************************/
-
-void native_setclasspath (char *path)
-{
- /* set searchpath for classfiles */
- classpath = path;
-}
+ create systemclassloader object and initialize instance fields
-/***************** function: throw_classnotfoundexception *********************/
+******************************************************************************/
-void throw_classnotfoundexception()
+void init_systemclassloader()
{
- /* throws a ClassNotFoundException */
- exceptionptr = native_new_and_init (class_java_lang_ClassNotFoundException);
+ log_text("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_new(utf_new_char("gnu/java/lang/SystemClassLoader")));
+
+ /* systemclassloader has no parent */
+ SystemClassLoader->parent = NULL;
+ SystemClassLoader->initialized = true;
+ }
+ log_text("leaving system class loader");
}
*******************************************************************************/
-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); */
+
+ /* keep compiler happy */
return NULL;
}
*******************************************************************************/
-java_objectheader *javastring_new (utf *u)
+java_lang_String *javastring_new(utf *u)
{
char *utf_ptr = u->text; /* current utf character in utf string */
int utflength = utf_strlen(u); /* length of utf-string if uncompressed */
java_chararray *a;
s4 i;
- s = (java_lang_String*) builtin_new (class_java_lang_String);
- a = builtin_newarray_char (utflength);
+ s = (java_lang_String *) builtin_new(class_java_lang_String);
+ a = builtin_newarray_char(utflength);
/* javastring or character-array could not be created */
- if ((!a) || (!s))
+ if (!a || !s)
return NULL;
/* decompress utf-string */
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;
+ return s;
}
+
/********************** function: javastring_new_char **************************
creates a new java/lang/String object which contains the convertet
*******************************************************************************/
-java_objectheader *javastring_new_char (char *text)
+java_lang_String *javastring_new_char(char *text)
{
s4 i;
s4 len = strlen(text); /* length of the string */
java_lang_String *s; /* result-string */
java_chararray *a;
- s = (java_lang_String*) builtin_new (class_java_lang_String);
- a = builtin_newarray_char (len);
+ s = (java_lang_String *) builtin_new(class_java_lang_String);
+ a = builtin_newarray_char(len);
/* javastring or character-array could not be created */
- if ((!a) || (!s)) return NULL;
+ if (!a || !s)
+ return NULL;
/* copy text */
for (i = 0; i < len; i++)
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;
+ return s;
}
static char stringbuffer[MAXSTRINGSIZE];
-char *javastring_tochar (java_objectheader *so)
+char *javastring_tochar(java_objectheader *so)
{
- java_lang_String *s = (java_lang_String*) so;
+ java_lang_String *s = (java_lang_String *) so;
java_chararray *a;
s4 i;
if (!s)
return "";
+
a = s->value;
+
if (!a)
return "";
+
if (s->count > MAXSTRINGSIZE)
return "";
+
for (i = 0; i < s->count; i++)
- stringbuffer[i] = a->data[s->offset+i];
+ stringbuffer[i] = a->data[s->offset + i];
+
stringbuffer[i] = '\0';
+
return stringbuffer;
}
*******************************************************************************/
-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);
+ *exceptionptr = new_exception(string_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 = new_exception(string_java_lang_NoSuchFieldException);
+
+ return -1;
+}
+
+
/********************** function: native_new_and_init *************************
Creates a new object on the heap and calls the initializer.
*******************************************************************************/
-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;
- if (!o) return NULL;
+ if (!c)
+ return *exceptionptr;
+
+ o = builtin_new(c); /* create object */
+ if (!o)
+ return NULL;
+
/* find initializer */
- m = class_findmethod(c, utf_new_char("<init>"), utf_new_char("()V"));
+ m = class_findmethod(c,
+ utf_new_char("<init>"),
+ utf_new_char("()V"));
+
+ if (!m) { /* initializer not found */
+ if (verbose) {
+ char logtext[MAXLOGTEXT];
+ sprintf(logtext, "Warning: class has no instance-initializer: ");
+ utf_sprint_classname(logtext + strlen(logtext), c->name);
+ log_text(logtext);
+ }
+ return o;
+ }
+
+ /* call initializer */
+
+ asm_calljavafunction(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;
+
+ if (!c)
+ return *exceptionptr;
+
+ 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) {
+ char logtext[MAXLOGTEXT];
sprintf(logtext, "Warning: class has no instance-initializer: ");
- utf_sprint(logtext + strlen(logtext), c->name);
- dolog();
- }
+ utf_sprint_classname(logtext + strlen(logtext), c->name);
+ log_text(logtext);
+ }
+ return o;
+ }
+
+ /* call initializer */
+
+ asm_calljavafunction(m, o, s, NULL, NULL);
+
+ return o;
+}
+
+
+java_objectheader *native_new_and_init_int(classinfo *c, s4 i)
+{
+ methodinfo *m;
+ java_objectheader *o;
+
+ if (!c)
+ return *exceptionptr;
+
+ o = builtin_new(c); /* create object */
+
+ if (!o) return NULL;
+
+ /* find initializer */
+
+ m = class_findmethod(c,
+ utf_new_char("<init>"),
+ utf_new_char("(I)V"));
+
+ if (!m) { /* initializer not found */
+ if (verbose) {
+ char logtext[MAXLOGTEXT];
+ sprintf(logtext, "Warning: class has no instance-initializer: ");
+ utf_sprint_classname(logtext + strlen(logtext), c->name);
+ log_text(logtext);
+ }
return o;
+ }
+
+ /* call initializer */
+
+#if defined(__I386__) || defined(__POWERPC__)
+ asm_calljavafunction(m, o, (void *) i, NULL, NULL);
+#else
+ asm_calljavafunction(m, o, (void *) (s8) i, NULL, NULL);
+#endif
+
+ return o;
+}
+
+
+java_objectheader *native_new_and_init_throwable(classinfo *c, java_lang_Throwable *t)
+{
+ methodinfo *m;
+ java_objectheader *o;
+
+ if (!c)
+ return *exceptionptr;
+
+ 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/Throwable;)V"));
+
+ if (!m) { /* initializer not found */
+ if (verbose) {
+ char logtext[MAXLOGTEXT];
+ sprintf(logtext, "Warning: class has no instance-initializer: ");
+ utf_sprint_classname(logtext + strlen(logtext), c->name);
+ log_text(logtext);
}
+ return o;
+ }
/* call initializer */
- asm_calljavamethod (m, o, NULL, NULL, NULL);
+ asm_calljavafunction(m, o, t, NULL, NULL);
+
return o;
}
+
/******************** function: stringtable_update ****************************
traverses the javastring hashtable and sets the vftbl-entries of
js = (java_lang_String *) s->string;
- if (!js || !(a = js->value))
+ if (!js || !js->value)
/* error in hashtable found */
panic("invalid literalstring in hashtable");
+ a = js->value;
+
if (!js->header.vftbl)
/* vftbl of javastring is NULL */
- js->header.vftbl = class_java_lang_String -> vftbl;
+ js->header.vftbl = class_java_lang_String->vftbl;
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;
*****************************************************************************/
-
u4 u2_utflength(u2 *text, u4 u2_length)
{
u4 result_len = 0; /* utf length in bytes */
u2 ch; /* current unicode character */
u4 len;
- for (len = 0; len < u2_length; len++) {
-
- /* next unicode character */
- ch = *text++;
+ for (len = 0; len < u2_length; len++) {
+ /* next unicode character */
+ ch = *text++;
- /* determine bytes required to store unicode character as utf */
- if (ch && (ch < 0x80))
- result_len++;
- else if (ch < 0x800)
- result_len += 2;
- else
- result_len += 3;
+ /* determine bytes required to store unicode character as utf */
+ if (ch && (ch < 0x80))
+ result_len++;
+ else if (ch < 0x800)
+ result_len += 2;
+ else
+ result_len += 3;
}
return result_len;
}
+
/********************* function: utf_new_u2 ***********************************
make utf symbol from u2 array,
utf *utf_new_u2(u2 *unicode_pos, u4 unicode_length, bool isclassname)
{
char *buffer; /* memory buffer for unicode characters */
- char *pos; /* pointer to current position in buffer */
- u4 left; /* unicode characters left */
- u4 buflength; /* utf length in bytes of the u2 array */
+ char *pos; /* pointer to current position in buffer */
+ u4 left; /* unicode characters left */
+ u4 buflength; /* utf length in bytes of the u2 array */
utf *result; /* resulting utf-string */
- int i;
+ 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);
+ buffer = MNEW(char, buflength);
- /* memory allocation failed */
- if (!buffer) return NULL;
-
- left = buflength;
+ left = buflength;
pos = buffer;
- for (i = 0; i++ < unicode_length; unicode_pos++) {
+ for (i = 0; i++ < unicode_length; unicode_pos++) {
/* next unicode character */
u2 c = *unicode_pos;
if ((c != 0) && (c < 0x80)) {
- /* 1 character */
- left--;
+ /* 1 character */
+ left--;
if ((int) left < 0) break;
- /* convert classname */
- if (isclassname && c=='.')
- *pos++ = '/';
- else
- *pos++ = (char) c;
+ /* convert classname */
+ if (isclassname && c == '.')
+ *pos++ = '/';
+ else
+ *pos++ = (char) c;
+
} else if (c < 0x800) {
- /* 2 characters */
+ /* 2 characters */
unsigned char high = c >> 6;
unsigned char low = c & 0x3F;
- left = left - 2;
+ left = left - 2;
if ((int) left < 0) break;
*pos++ = high | 0xC0;
*pos++ = low | 0x80;
+
} else {
/* 3 characters */
char low = c & 0x3f;
char mid = (c >> 6) & 0x3F;
char high = c >> 12;
- left = left - 3;
+ left = left - 3;
if ((int) left < 0) break;
*pos++ = high | 0xE0;
*pos++ = mid | 0x80;
*pos++ = low | 0x80;
}
- }
+ }
/* insert utf-string into symbol-table */
result = utf_new(buffer,buflength);
- MFREE(buffer, char, buflength);
+
+ MFREE(buffer, char, buflength);
+
return result;
}
+
/********************* function: javastring_toutf *****************************
make utf symbol from javastring
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);
+ java_lang_String *str = (java_lang_String *) string;
+
+/* 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 *****************************
searches for the javastring with the specified u2-array in
*******************************************************************************/
-java_objectheader *literalstring_u2 (java_chararray *a, u4 length, bool copymode )
+java_objectheader *literalstring_u2(java_chararray *a, u4 length, u4 offset,
+ bool copymode)
{
literalstring *s; /* hashtable element */
java_lang_String *js; /* u2-array wrapped in javastring */
java_chararray *stringdata; /* copy of u2-array */
- u4 key;
- u4 slot;
+ classinfo *c;
+ u4 key;
+ u4 slot;
u2 i;
+//#define DEBUG_LITERALSTRING_U2
+#ifdef DEBUG_LITERALSTRING_U2
+ printf("literalstring_u2: length=%d, offset=%d\n", length, offset);
+ fflush(stdout);
+#endif
+
/* find location in hashtable */
- key = unicode_hashkey (a->data, length);
- slot = key & (string_hash.size-1);
+ key = unicode_hashkey(a->data + offset, length);
+ slot = key & (string_hash.size - 1);
s = string_hash.ptr[slot];
while (s) {
-
- js = (java_lang_String *) s->string;
-
- if (js->count == length) {
- /* compare text */
- for (i=0; i<length; i++)
- if (js->value->data[i] != a->data[i]) goto nomatch;
-
- /* string already in hashtable, free memory */
- if (!copymode)
- lit_mem_free(a, sizeof(java_chararray) + sizeof(u2)*(length-1)+10);
-
- return (java_objectheader *) js;
- }
+ js = (java_lang_String *) s->string;
+
+ if (length == js->count) {
+ /* compare text */
+ for (i = 0; i < length; i++) {
+ if (a->data[offset + i] != js->value->data[i])
+ goto nomatch;
+ }
+
+ /* string already in hashtable, free memory */
+ if (!copymode)
+ lit_mem_free(a, sizeof(java_chararray) + sizeof(u2) * (length - 1) + 10);
+
+#ifdef DEBUG_LITERALSTRING_U2
+ printf("literalstring_u2: foundentry at %p\n", js);
+ utf_display(javastring_toutf(js, 0));
+ printf("\n\n");
+ fflush(stdout);
+#endif
+ return (java_objectheader *) js;
+ }
- nomatch:
- /* follow link in external hash chain */
- s = s->hashlink;
+ nomatch:
+ /* follow link in external hash chain */
+ s = s->hashlink;
}
if (copymode) {
- /* create copy of u2-array for new javastring */
- u4 arraysize = sizeof(java_chararray) + sizeof(u2)*(length-1)+10;
- stringdata = lit_mem_alloc ( arraysize );
- memcpy(stringdata, a, arraysize );
- }
- else
- stringdata = a;
+ /* create copy of u2-array for new javastring */
+ u4 arraysize = sizeof(java_chararray) + sizeof(u2) * (length - 1) + 10;
+ stringdata = lit_mem_alloc(arraysize);
+/* memcpy(stringdata, a, arraysize); */
+ memcpy(&(stringdata->header), &(a->header), sizeof(java_arrayheader));
+ memcpy(&(stringdata->data), &(a->data) + offset, sizeof(u2) * (length - 1) + 10);
+
+ } else {
+ 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.size = length;
- stringdata -> header.arraytype = ARRAYTYPE_CHAR;
+ stringdata->header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
+ stringdata->header.size = length;
- /* create new javastring */
- js = LNEW (java_lang_String);
- js -> header.vftbl = class_java_lang_String -> vftbl;
- js -> value = stringdata;
- js -> offset = 0;
- js -> count = length;
+ /* if we use eager loading, we have to check loaded String class */
+ if (opt_eager) {
+ class_java_lang_String =
+ class_new_intern(utf_new_char("java/lang/String"));
+
+ if (!class_load(class_java_lang_String))
+ return NULL;
+
+ list_addfirst(&unlinkedclasses, class_java_lang_String);
+ }
+ /* create new javastring */
+ js = LNEW(java_lang_String);
+ js->header.vftbl = class_java_lang_String->vftbl;
+ js->value = stringdata;
+ js->offset = 0;
+ js->count = length;
+
+#ifdef DEBUG_LITERALSTRING_U2
+ printf("literalstring_u2: newly created at %p\n", js);
+ utf_display(javastring_toutf(js, 0));
+ printf("\n\n");
+ fflush(stdout);
+#endif
+
/* create new literalstring */
- s = NEW (literalstring);
+ s = NEW(literalstring);
s->hashlink = string_hash.ptr[slot];
s->string = (java_objectheader *) js;
string_hash.ptr[slot] = s;
- /* update numbe of hashtable entries */
+ /* update number of hashtable entries */
string_hash.entries++;
/* reorganization of hashtable */
- if ( string_hash.entries > (string_hash.size*2)) {
-
- /* reorganization of hashtable, average length of
+ if (string_hash.entries > (string_hash.size * 2)) {
+ /* reorganization of hashtable, average length of
the external chains is approx. 2 */
- u4 i;
- literalstring *s;
- hashtable newhash; /* the new hashtable */
+ u4 i;
+ literalstring *s;
+ hashtable newhash; /* the new hashtable */
- /* create new hashtable, double the size */
- init_hashtable(&newhash, string_hash.size*2);
- newhash.entries=string_hash.entries;
+ /* create new hashtable, double the size */
+ init_hashtable(&newhash, string_hash.size * 2);
+ newhash.entries = string_hash.entries;
- /* transfer elements to new hashtable */
- for (i=0; i<string_hash.size; i++) {
- s = string_hash.ptr[i];
- while (s) {
- literalstring *nexts = s -> hashlink;
- js = (java_lang_String*) s->string;
- slot = (unicode_hashkey(js->value->data,js->count)) & (newhash.size-1);
+ /* transfer elements to new hashtable */
+ for (i = 0; i < string_hash.size; i++) {
+ s = string_hash.ptr[i];
+ while (s) {
+ literalstring *nexts = s->hashlink;
+ js = (java_lang_String *) s->string;
+ slot = unicode_hashkey(js->value->data, js->count) & (newhash.size - 1);
- s->hashlink = newhash.ptr[slot];
- newhash.ptr[slot] = s;
+ s->hashlink = newhash.ptr[slot];
+ newhash.ptr[slot] = s;
- /* follow link in external hash chain */
- s = nexts;
- }
- }
+ /* follow link in external hash chain */
+ s = nexts;
+ }
+ }
- /* dispose old table */
- MFREE (string_hash.ptr, void*, string_hash.size);
- string_hash = newhash;
+ /* dispose old table */
+ MFREE(string_hash.ptr, void*, string_hash.size);
+ string_hash = newhash;
}
-
+
return (java_objectheader *) js;
}
+
/******************** Function: literalstring_new *****************************
creates a new javastring with the text of the utf-symbol
*******************************************************************************/
-java_objectheader *literalstring_new (utf *u)
+java_objectheader *literalstring_new(utf *u)
{
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;
-
+
/* allocate memory */
- a = lit_mem_alloc (sizeof(java_chararray) + sizeof(u2)*(utflength-1)+10 );
+ a = lit_mem_alloc(sizeof(java_chararray) + sizeof(u2) * (utflength - 1) + 10);
+
/* convert utf-string to u2-array */
- for (i=0; i<utflength; i++) a->data[i] = utf_nextu2(&utf_ptr);
+ for (i = 0; i < utflength; i++)
+ a->data[i] = utf_nextu2(&utf_ptr);
- return literalstring_u2(a, utflength, false);
+ return literalstring_u2(a, utflength, 0, false);
}
******************************************************************************/
-void literalstring_free (java_objectheader* sobj)
+void literalstring_free(java_objectheader* sobj)
{
- java_lang_String *s = (java_lang_String*) sobj;
+ java_lang_String *s = (java_lang_String *) sobj;
java_chararray *a = s->value;
- log_text("literalstring_free called");
-
/* dispose memory of java.lang.String object */
- LFREE (s, java_lang_String);
+ LFREE(s, java_lang_String);
+
/* dispose memory of java-characterarray */
- LFREE (a, sizeof(java_chararray) + sizeof(u2)*(a->header.size-1)); /* +10 ?? */
+ LFREE(a, sizeof(java_chararray) + sizeof(u2) * (a->header.size - 1)); /* +10 ?? */
}
-
-
-void copy_vftbl(vftbl **dest, vftbl *src)
+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(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;
+}
+
+
+/* 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 **********************************************************
+
+ get the exceptions which can be thrown by a method
+
+*******************************************************************************/
+
+java_objectarray* get_exceptiontypes(methodinfo *m) {
+ u2 exccount=m->thrownexceptionscount;
+ u2 i;
+ java_objectarray *result;
+ /* create class-array */
+ result = builtin_anewarray(exccount, class_java_lang_Class);
+ for (i=0;i<exccount;i++) {
+ java_objectheader *oh=(java_objectheader*)(m->thrownexceptions[i]);
+ use_class_as_object(oh);
+ result->data[i]=oh;
+ }
+ 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;
+}
+
+/*--------------------------------------------------------*/
+
+
+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_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--;
+ }
+ }
+ 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]=c;
+ }
+ return tmpArray;
+
+}
+
+java_lang_ClassLoader *builtin_asm_getclassloader(classinfo **end,classinfo **start)
+{
+#if defined(__GNUC__)
+#warning platform dependend
+#endif
+ int i;
+ classinfo **current;
+ classinfo *c;
+ classinfo *privilegedAction;
+ size_t 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 c->classloader;
+ }
+ return NULL;
+
+
+
+
+/*
+ log_text("Java_java_lang_VMSecurityManager_currentClassLoader");
+ init_systemclassloader();
+
+ return SystemClassLoader;*/
+}
+
+/*
+ * 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:
+ */