-/* native.c - table of native functions
+/* native/native.c - table of native functions
- 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
+ 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
This file is part of CACAO.
The .hh files created with the header file generator are all
included here as are the C functions implementing these methods.
- $Id: native.c 862 2004-01-06 23:42:01Z stefan $
+ $Id: native.c 1735 2004-12-07 14:33:27Z twisti $
*/
#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 "jni.h"
-#include "toolbox/loging.h"
-#include "toolbox/memory.h"
-#include "threads/thread.h"
-#include "threads/threadio.h"
-#include "threads/locks.h"
-
/* Include files for IO functions */
#include <fcntl.h>
#endif
#include <sys/stat.h>
+#include "config.h"
+#include "mm/memory.h"
+#include "native/jni.h"
+#include "native/native.h"
+#include "native/include/java_lang_Throwable.h"
+#include "toolbox/logging.h"
+#include "vm/builtin.h"
+#include "vm/exceptions.h"
+#include "vm/global.h"
+#include "vm/loader.h"
+#include "vm/options.h"
+#include "vm/tables.h"
+#include "vm/jit/asmpart.h"
+#include "vm/jit/jit.h"
+#if 0
+#include "threads/thread.h"
#include "threads/threadio.h"
+#include "threads/locks.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"
+#endif
+
+#include "nativetable.inc"
-/* searchpath for classfiles */
-char *classpath;
/* for java-string to char conversion */
#define MAXSTRINGSIZE 1000
+
/******************** systemclasses required for native methods ***************/
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_NoClassDefFoundError;
-classinfo *class_java_lang_ClassNotFoundException;
-classinfo *class_java_lang_LinkageError;
-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_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_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 */
-THREADSPECIFIC java_objectheader* _exceptionptr = NULL;
+#if !defined(USE_THREADS) || !defined(NATIVE_THREADS)
+java_objectheader* _exceptionptr = NULL;
+#endif
/************* use classinfo structure as java.lang.Class object **************/
void use_class_as_object(classinfo *c)
{
- vftbl *vt;
-/* vftbl *newtbl; */
-
- if (!class_java_lang_Class)
- class_java_lang_Class = class_new(utf_new_char ("java/lang/Class"));
-
- vt = class_java_lang_Class->vftbl;
-
-
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;*/
-
c->header.vftbl = class_java_lang_Class->vftbl;
-
- if (!class_java_lang_VMClass) {
- loader_load_sysclass(&class_java_lang_VMClass,
- 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);
-
- if (!vmo) panic("Error while creating instance of java/lang/VMClass");
- asm_calljavafunction(method_vmclass_init, vmo, c, NULL, NULL);
- c->vmClass = (java_lang_VMClass *) vmo;
- /*log_text("VMCLASS has been attached");*/
- }
- }
+ c->classvftbl = true;
+ }
+
}
-/*************************** include native methods ***************************/
-
-#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;
- char *methodname;
- char *descriptor;
- bool isstatic;
- functionptr func;
-} nativetable [] = {
-
-#include "nativetable.hh"
-
-};
-
-
+#ifdef STATIC_CLASSPATH
#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;
+#endif
-/******************************************************************************/
-/******************************************************************************/
-#include "natcalls.h"
-
-/* string call comparison table initialized */
-
-/******************************************************************************/
-/******************************************************************************/
-
-/*--------------- native method calls & classes used -------------------------*/
-
-
-
-/* throw some loader exceptions */
+/* XXX don't define this in a header file!!! */
-void throw_noclassdeffounderror_message(utf* classname)
+static struct nativeCall nativeCalls[] =
{
- if (!class_java_lang_NoClassDefFoundError) {
- panic("java.lang.NoClassDefFoundError not found. Maybe wrong classpath?");
- }
+#include "nativecalls.inc"
+};
- /* throws a NoClassDefFoundError with message */
- *exceptionptr = native_new_and_init_string(class_java_lang_NoClassDefFoundError,
- javastring_new(classname));
-}
+#define NATIVECALLSSIZE (sizeof(nativeCalls) / sizeof(struct nativeCall))
+struct nativeCompCall nativeCompCalls[NATIVECALLSSIZE];
-void throw_linkageerror_message(utf* classname)
-{
- if (!class_java_lang_LinkageError) {
- panic("java.lang.LinkageError not found. Maybe wrong classpath?");
- }
+/******************************************************************************/
- /* throws a LinkageError with message */
- *exceptionptr = native_new_and_init_string(class_java_lang_LinkageError,
- javastring_new(classname));
-}
+/**include "natcalls.h" **/
/*********************** function: native_loadclasses **************************
void native_loadclasses()
{
- static int classesLoaded=0; /*temporary hack JoWenn*/
- if (classesLoaded) return;
+ static int classesLoaded = 0; /*temporary hack JoWenn*/
+
+ if (classesLoaded)
+ return;
+
classesLoaded = 1;
-/* log_text("loadclasses entered");*/
+ class_java_lang_Cloneable =
+ class_new(utf_new_char("java/lang/Cloneable"));
+ class_load(class_java_lang_Cloneable);
+ class_link(class_java_lang_Cloneable);
- /*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_java_lang_Class =
+ class_new(utf_new_char("java/lang/Class"));
+ class_load(class_java_lang_Class);
+ class_link(class_java_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);
- /* class_new adds the class to the list of classes to be loaded */
- 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"));
- 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_java_io_FileNotFoundException =
- class_new(utf_new_char("java/io/FileNotFoundException"));
- class_java_lang_NoClassDefFoundError =
- class_new(utf_new_char("java/lang/NoClassDefFoundError"));
- class_java_lang_ClassNotFoundException =
- class_new(utf_new_char("java/lang/ClassNotFoundException"));
- class_java_lang_LinkageError =
- class_new(utf_new_char("java/lang/LinkageError"));
- 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"));
-
-/* 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"));
-
- loader_load_sysclass(&class_java_net_UnknownHostException,
- utf_new_char("java/net/UnknownHostException"));
- loader_load_sysclass(&class_java_net_SocketException,
- 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"));
+ class_new(utf_new_char("java/lang/ClassLoader"));
+ class_load(class_java_lang_ClassLoader);
+ class_link(class_java_lang_ClassLoader);
/* 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_Double = class_new(utf_new_char("java/lang/Double"));
+ class_load(class_java_lang_Double);
+ class_link(class_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"));
+ class_java_lang_Float = class_new(utf_new_char("java/lang/Float"));
+ class_load(class_java_lang_Float);
+ class_link(class_java_lang_Float);
- classesLoaded = 1;
-}
+ class_java_lang_Character = class_new(utf_new_char("java/lang/Character"));
+ class_load(class_java_lang_Character);
+ class_link(class_java_lang_Character);
+ class_java_lang_Integer = class_new(utf_new_char("java/lang/Integer"));
+ class_load(class_java_lang_Integer);
+ class_link(class_java_lang_Integer);
-/*************** adds a class to the vector of loaded classes ****************/
+ class_java_lang_Long = class_new(utf_new_char("java/lang/Long"));
+ class_load(class_java_lang_Long);
+ class_link(class_java_lang_Long);
-void systemclassloader_addclass(classinfo *c)
-{
- methodinfo *m;
+ class_java_lang_Byte = class_new(utf_new_char("java/lang/Byte"));
+ class_load(class_java_lang_Byte);
+ class_link(class_java_lang_Byte);
- /* find method addClass of java.lang.ClassLoader */
- 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);
-
- /* call 'addClass' */
- asm_calljavafunction(m,
- (java_objectheader*) SystemClassLoader,
- (java_objectheader*) c,
- 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);
-/*************** adds a library to the vector of loaded libraries *************/
+ 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 systemclassloader_addlibrary(java_objectheader *o)
-{
- log_text("systemclassloader_addlibrary");
}
void init_systemclassloader()
{
+ 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_java_lang_ClassLoader);
+ SystemClassLoader = (java_lang_ClassLoader *) native_new_and_init(class_new(utf_new_char("gnu/java/lang/SystemClassLoader")));
/* systemclassloader has no parent */
SystemClassLoader->parent = NULL;
}
-/********************* add loaded library name *******************************/
-
-void systemclassloader_addlibname(java_objectheader *o)
-{
- methodinfo *m;
- jfieldID id;
-
- m = class_resolvemethod(loader_load_sysclass(NULL, utf_new_char ("java/util/Vector")),
- utf_new_char("addElement"),
- utf_new_char("(Ljava/lang/Object;)V"));
-
- if (!m) panic("cannot initialize classloader");
-
- id = envTable.GetStaticFieldID(&env,
- class_java_lang_ClassLoader,
- "loadedLibraryNames",
- "Ljava/util/Vector;");
-
- if (!id) panic("can not access ClassLoader");
-
- asm_calljavafunction(m,
- envTable.GetStaticObjectField(&env, class_java_lang_ClassLoader, id),
- o,
- NULL,
- NULL);
-}
-
-
-/********************* function: native_setclasspath **************************/
-
-void native_setclasspath(char *path)
-{
- /* set searchpath for classfiles */
- classpath = path;
-}
-
-
/*********************** Function: native_findfunction *************************
Looks up a method (must have the same class name, method name, descriptor
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;
MFREE(buffer, char, buffer_len);
- exit(1);
+/* exit(1); */
/* keep compiler happy */
return NULL;
+#else
+/* dynamic classpath */
+ return 0;
+#endif
}
*******************************************************************************/
-/* 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 */
+ char *utf_ptr; /* current utf character in utf string */
+ u4 utflength; /* length of utf-string if uncompressed */
java_lang_String *s; /* result-string */
java_chararray *a;
s4 i;
-
-/* log_text("javastring_new");*/
-
- s = (java_lang_String*) builtin_new(class_java_lang_String);
+
+ if (!u) {
+ *exceptionptr = new_nullpointerexception();
+ return NULL;
+ }
+
+ utf_ptr = u->text;
+ utflength = utf_strlen(u);
+
+ 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 */
s->offset = 0;
s->count = utflength;
-/* return (java_objectheader*) s; */
return s;
}
*******************************************************************************/
-/* java_objectheader *javastring_new_char (char *text) */
-java_lang_String *javastring_new_char (char *text)
+java_lang_String *javastring_new_char(char *text)
{
s4 i;
- s4 len = strlen(text); /* length of the string */
+ s4 len; /* length of the string */
java_lang_String *s; /* result-string */
java_chararray *a;
-
- /*log_text("javastring_new_char");*/
- s = (java_lang_String*) builtin_new(class_java_lang_String);
+
+ if (!text) {
+ *exceptionptr = new_nullpointerexception();
+ return NULL;
+ }
+
+ len = strlen(text);
+
+ 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))
+ if (!a || !s)
return NULL;
/* copy text */
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;
- log_text("javastring_tochar");
-
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)
{
s4 i;
+
for (i = 0; i < c->fieldscount; i++) {
/* compare field names */
if ((c->fields[i].name == name))
}
/* 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 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);
+ *exceptionptr = new_exception(string_java_lang_NoSuchFieldException);
+
return -1;
}
methodinfo *m;
java_objectheader *o;
- /* if c==NULL it is probebly because loader_load failed */
- if (!c) return *exceptionptr;
+ 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"));
+
+ if (!m) { /* initializer not found */
+ if (opt_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 (opt_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, 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 */
- /*
- 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"));
+ m = class_findmethod(c,
+ utf_new_char("<init>"),
+ utf_new_char("(I)V"));
if (!m) { /* initializer not found */
- if (verbose) {
+ if (opt_verbose) {
char logtext[MAXLOGTEXT];
sprintf(logtext, "Warning: class has no instance-initializer: ");
- utf_sprint(logtext + strlen(logtext), c->name);
+ utf_sprint_classname(logtext + strlen(logtext), c->name);
log_text(logtext);
}
return o;
/* call initializer */
- asm_calljavafunction(m, o, NULL, NULL, NULL);
+#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_string(classinfo *c, java_lang_String *s)
+java_objectheader *native_new_and_init_throwable(classinfo *c, java_lang_Throwable *t)
{
methodinfo *m;
java_objectheader *o;
- /* if c==NULL it is probebly because loader_load failed */
- if (!c) return *exceptionptr;
+ if (!c)
+ return *exceptionptr;
o = builtin_new(c); /* create object */
m = class_findmethod(c,
utf_new_char("<init>"),
- utf_new_char("(Ljava/lang/String;)V"));
+ utf_new_char("(Ljava/lang/Throwable;)V"));
if (!m) { /* initializer not found */
- if (verbose) {
+ if (opt_verbose) {
char logtext[MAXLOGTEXT];
sprintf(logtext, "Warning: class has no instance-initializer: ");
- utf_sprint(logtext + strlen(logtext), c->name);
+ utf_sprint_classname(logtext + strlen(logtext), c->name);
log_text(logtext);
}
return o;
/* call initializer */
- asm_calljavafunction(m, o, s, NULL, NULL);
+ asm_calljavafunction(m, o, t, NULL, NULL);
return o;
}
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 */
buflength = u2_utflength(unicode_pos, unicode_length);
buffer = MNEW(char, buflength);
- /* memory allocation failed */
- if (!buffer) {
- printf("length: %d\n",buflength);
- log_text("utf_new_u2:buffer==NULL");
- }
-
left = buflength;
pos = buffer;
utf *javastring_toutf(java_lang_String *string, bool isclassname)
{
java_lang_String *str = (java_lang_String *) string;
-/* printf("javastring_toutf offset: %d, len %d\n",str->offset, str->count);
- fflush(stdout);*/
+
+/* 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);
}
*******************************************************************************/
-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;
+ u4 key;
+ u4 slot;
u2 i;
-#if JOWENN_DEBUG1
- printf("literalstring_u2: length: %d\n",length);
- log_text("literalstring_u2");
+/* #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);
-
-#ifdef JOWENN_DEBUG1
- log_text("literalstring_u2: foundentry");
- utf_display(javastring_toutf(js,0));
+ 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)
+ 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;
- }
+ 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 = 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 */
- 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;
-
- /* create 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 */
- string_hash.entries++;
-
- /* reorganization of hashtable */
- 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 */
+ stringdata->header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
+ stringdata->header.size = 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 = NEW(java_lang_String);
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+ initObjectLock(&js->header);
+#endif
+ 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->hashlink = string_hash.ptr[slot];
+ s->string = (java_objectheader *) js;
+ string_hash.ptr[slot] = s;
+
+ /* 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
+ the external chains is approx. 2 */
+
+ 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;
- }
-#ifdef JOWENN_DEBUG1
- log_text("literalstring_u2: newly created");
-/* utf_display(javastring_toutf(js,0));*/
-#endif
-
- return (java_objectheader *) js;
+ /* 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 */
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 );
+ a = 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);
+ FREE(s, java_lang_String);
+
/* dispose memory of java-characterarray */
- LFREE (a, sizeof(java_chararray) + sizeof(u2)*(a->header.size-1)); /* +10 ?? */
+ FREE(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
if (retType) buffer_size += strlen(retType);
/* allocate buffer */
- buffer = MNEW(u1, buffer_size);
+ buffer = MNEW(char, buffer_size);
pos = buffer;
/* method-desciptor starts with parenthesis */
goto next_type;
nomatch:
+ ;
}
/* no primitive type and no arrayclass, so must be object */
*pos++ = ';';
next_type:
+ ;
}
}
/* create utf-string */
result = utf_new(buffer, (pos - buffer));
- MFREE(buffer, u1, buffer_size);
+ MFREE(buffer, char, buffer_size);
return result;
}
}
-/******************************************************************************************
+/* 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
+ 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_nextu2(&utf_ptr);
/* determine number of parameters */
- while ( *utf_ptr != ')' ) {
- get_type(&utf_ptr,desc_end,true);
- parametercount++;
+ 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_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);
+ 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 excount;
+ u2 i;
+ java_objectarray *result;
- get the exceptions which can be thrown by a method
+ excount = m->thrownexceptionscount;
-*******************************************************************************************/
+ /* create class-array */
+ result = builtin_anewarray(excount, class_java_lang_Class);
-java_objectarray* get_exceptiontypes(methodinfo *m)
-{
+ 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;
}
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 = (((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] = (java_objectheader *) 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 = (((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();
+
+ 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
projects / cacao.git / blobdiff