The .hh files created with the header file generator are all
included here as are the C functions implementing these methods.
- $Id: native.c 692 2003-12-05 18:17:43Z stefan $
+ $Id: native.c 951 2004-03-11 17:30:03Z jowenn $
*/
+
#include <stdlib.h>
#include <unistd.h>
#include <time.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"
classinfo *class_java_lang_CloneNotSupportedException;
classinfo *class_java_lang_System;
classinfo *class_java_lang_ClassLoader;
+classinfo *class_gnu_java_lang_SystemClassLoader;
+classinfo *class_java_lang_NoClassDefFoundError;
classinfo *class_java_lang_ClassNotFoundException;
classinfo *class_java_lang_LinkageError;
classinfo *class_java_lang_InstantiationException;
classinfo *class_java_io_FileNotFoundException;
classinfo *class_java_io_UnixFileSystem;
classinfo *class_java_security_PrivilegedActionException;
+classinfo *class_java_lang_SecurityManager;
classinfo *class_java_net_UnknownHostException;
classinfo *class_java_net_SocketException;
classinfo *class_java_lang_NoSuchMethodException;
classinfo *class_java_lang_Character;
classinfo *class_java_lang_Integer;
+
+/* specify some exception strings for code generation */
+char *string_java_lang_NoClassDefFoundError =
+ "java/lang/NoClassDefFoundError";
+
+char *string_java_lang_LinkageError =
+ "java/lang/LinkageError";
+
+char *string_java_lang_ArrayIndexOutOfBoundsException =
+ "java/lang/ArrayIndexOutOfBoundsException";
+
+char *string_java_lang_NegativeArraySizeException =
+ "java/lang/NegativeArraySizeException";
+
+char *string_java_lang_ClassCastException =
+ "java/lang/ClassCastException";
+
+char *string_java_lang_ArithmeticException =
+ "java/lang/ArithmeticException";
+
+char *string_java_lang_ArithmeticException_message =
+ "/ by zero";
+
+char *string_java_lang_NullPointerException =
+ "java/lang/NullPointerException";
+
+char *string_java_lang_ArrayStoreException =
+ "java/lang/ArrayStoreException";
+
+
/* the system classloader object */
struct java_lang_ClassLoader *SystemClassLoader = NULL;
/* for raising exceptions from native methods */
-java_objectheader* exceptionptr = NULL;
+THREADSPECIFIC java_objectheader* _exceptionptr = NULL;
/************* use classinfo structure as java.lang.Class object **************/
void use_class_as_object(classinfo *c)
{
- vftbl *vt, *newtbl;
+ vftbl *vt;
+/* vftbl *newtbl; */
- /*log_text("use_class_as_object");*/
- 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;*/
+ 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;
+ c->header.vftbl = class_java_lang_Class->vftbl;
if (!class_java_lang_VMClass) {
- class_java_lang_VMClass =
- loader_load ( 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) {
+ 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);
+ 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_calljavamethod (method_vmclass_init, vmo, c, NULL, NULL);
- c->vmClass=(java_lang_VMClass*)vmo;
+ asm_calljavafunction(method_vmclass_init, vmo, c, NULL, NULL);
+ c->vmClass = (java_lang_VMClass *) vmo;
/*log_text("VMCLASS has been attached");*/
- }
- }
-
+ }
+ }
}
+/* throw some loader exceptions */
+
+void throw_noclassdeffounderror_message(utf* classname)
+{
+ if (!class_java_lang_NoClassDefFoundError) {
+ panic("java.lang.NoClassDefFoundError not found. Maybe wrong classpath?");
+ }
+
+ /* throws a NoClassDefFoundError with message */
+ *exceptionptr = native_new_and_init_string(class_java_lang_NoClassDefFoundError,
+ javastring_new(classname));
+}
+
+
+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));
+}
+
+
+java_objectheader *new_exception(char *classname)
+{
+ classinfo *c = class_new(utf_new_char(classname));
+
+ if (!c->linked)
+ panic("exception class not linked");
+
+ return native_new_and_init(c);
+}
+
+java_objectheader *new_exception_message(char *classname, char *message)
+{
+ classinfo *c = class_new(utf_new_char(classname));
+
+ if (!c->linked)
+ panic("exception class not linked");
+
+ return native_new_and_init_string(c, javastring_new_char(message));
+}
+
+
+java_objectheader *new_exception_int(char *classname, s4 i)
+{
+ classinfo *c = class_new(utf_new_char(classname));
+
+ if (!c->linked)
+ panic("exception class not linked");
+
+ return native_new_and_init_int(c, i);
+}
+
/*********************** function: native_loadclasses **************************
{
static int classesLoaded=0; /*temporary hack JoWenn*/
if (classesLoaded) return;
- classesLoaded=1;
+ 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*/
+ (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 */
if (!class_java_lang_Cloneable)
class_java_lang_Cloneable =
- class_new ( utf_new_char ("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_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_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_java_lang_ClassFormatError =
class_new(utf_new_char("java/lang/ClassFormatError"));
class_java_io_SyncFailedException =
- class_new ( utf_new_char ("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") );
+ class_new(utf_new_char("java/lang/ClassLoader"));
+ class_gnu_java_lang_SystemClassLoader =
+ class_new(utf_new_char("gnu/java/lang/SystemClassLoader"));
+
/* log_text("native_loadclasses: class_new(\"java/security/PrivilegedActionException\")"); */
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"));
+ 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_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_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_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"));
-
- classesLoaded=1;
- log_text("native_loadclasses finished");
+ 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"));
+
+ classesLoaded = 1;
}
methodinfo *m;
/* find method addClass of java.lang.ClassLoader */
- m = class_resolvemethod(
- class_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");
+ if (!m)
+ panic("warning: cannot initialize classloader");
/* prepare class to be passed as argument */
use_class_as_object (c);
/* call 'addClass' */
- asm_calljavamethod(m,
- (java_objectheader*) SystemClassLoader,
- (java_objectheader*) c,
- NULL,
- NULL
- );
+ asm_calljavafunction(m,
+ (java_objectheader*) SystemClassLoader,
+ (java_objectheader*) c,
+ NULL,
+ NULL
+ );
}
+
/*************** adds a library to the vector of loaded libraries *************/
void systemclassloader_addlibrary(java_objectheader *o)
log_text("systemclassloader_addlibrary");
}
+
/*****************************************************************************
create systemclassloader object and initialize instance fields
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 has no parent */
- SystemClassLoader->parent = NULL;
- SystemClassLoader->initialized = true;
- }
- log_text("leaving system class loader");
+ 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_gnu_java_lang_SystemClassLoader);/*class_java_lang_ClassLoader);*/
+
+ /* systemclassloader has no parent */
+ SystemClassLoader->parent = NULL;
+ SystemClassLoader->initialized = true;
+ }
+ log_text("leaving system class loader");
}
methodinfo *m;
jfieldID id;
- m = class_resolvemethod(loader_load(utf_new_char ("java/util/Vector")),
+ m = class_resolvemethod(loader_load_sysclass(NULL, utf_new_char("java/util/Vector")),
utf_new_char("addElement"),
- utf_new_char("(Ljava/lang/Object;)V")
- );
+ 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;");
+ 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
- );
+ asm_calljavafunction(m,
+ envTable.GetStaticObjectField(&env, class_java_lang_ClassLoader, id),
+ o,
+ NULL,
+ NULL);
}
/********************* function: native_setclasspath **************************/
-void native_setclasspath (char *path)
+void native_setclasspath(char *path)
{
/* set searchpath for classfiles */
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);
-}
-
-
-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));
-}
-
-void throw_linkageerror2(utf* classname)
-{
- if (!class_java_lang_LinkageError) {
- panic("java.lang.LinkageError not found. Maybe wrong classpath?");
- }
-
- /* throws a ClassNotFoundException with message */
- exceptionptr = native_new_and_init_string(class_java_lang_LinkageError,
- javastring_new(classname));
-}
-
-
/*********************** Function: native_findfunction *************************
Looks up a method (must have the same class name, method name, descriptor
#ifdef JOWENN_DEBUG
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, "searching matching function in native table:");
- utf_sprint(buffer+strlen(buffer), mname);
+ utf_sprint(buffer+strlen(buffer), mname);
strcpy(buffer+strlen(buffer), ": ");
- utf_sprint(buffer+strlen(buffer), desc);
+ utf_sprint(buffer+strlen(buffer), desc);
strcpy(buffer+strlen(buffer), " for class ");
- utf_sprint(buffer+strlen(buffer), cname);
+ utf_sprint(buffer+strlen(buffer), cname);
log_text(buffer);
buffer = MNEW(char, buffer_len);
strcpy(buffer, "comparing with:");
- utf_sprint(buffer+strlen(buffer), n->methodname);
+ utf_sprint(buffer+strlen(buffer), n->methodname);
strcpy (buffer+strlen(buffer), ": ");
- utf_sprint(buffer+strlen(buffer), n->descriptor);
+ utf_sprint(buffer+strlen(buffer), n->descriptor);
strcpy(buffer+strlen(buffer), " for class ");
- utf_sprint(buffer+strlen(buffer), n->classname);
+ utf_sprint(buffer+strlen(buffer), n->classname);
log_text(buffer);
MFREE(buffer, char, buffer_len);
-
}
}
#endif
MFREE(buffer, char, buffer_len);
-
exit(1);
-
+ /* keep compiler happy */
return NULL;
}
*******************************************************************************/
-java_objectheader *javastring_new (utf *u)
+/* 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 */
/* log_text("javastring_new");*/
- 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))
s->offset = 0;
s->count = utflength;
- return (java_objectheader*) s;
+/* 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_chararray *a;
/*log_text("javastring_new_char");*/
- 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->value = a;
s->offset = 0;
- s->count = len;
+ s->count = len;
- return (java_objectheader*) s;
+/* 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;
}
}
/* field was not found, raise exception */
- exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
+ *exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
return NULL;
}
}
/* field was not found, raise exception */
- exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
+ *exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
return -1;
}
java_objectheader *native_new_and_init(classinfo *c)
{
methodinfo *m;
- java_objectheader *o = builtin_new(c); /* create object */
+ java_objectheader *o;
+ /* if c==NULL it is probebly because loader_load failed */
+ if (!c) return *exceptionptr;
+
+ o = builtin_new(c); /* create object */
+
/*
printf("native_new_and_init ");
utf_display(c->name);
/* 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("()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(logtext);
+ log_text(logtext);
}
return o;
}
/* call initializer */
- asm_calljavamethod(m, o, NULL, NULL, NULL);
+ 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 = builtin_new(c); /* create object */
+ java_objectheader *o;
+
+ /* if c==NULL it is probebly because loader_load failed */
+ if (!c) return *exceptionptr;
+ o = builtin_new(c); /* create object */
+
if (!o) return NULL;
/* find initializer */
char logtext[MAXLOGTEXT];
sprintf(logtext, "Warning: class has no instance-initializer: ");
utf_sprint(logtext + strlen(logtext), c->name);
- dolog(logtext);
+ log_text(logtext);
}
return o;
}
/* call initializer */
- asm_calljavamethod(m, o, s, NULL, NULL);
+ 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 == NULL it is probebly because loader_load failed */
+ 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(logtext + strlen(logtext), c->name);
+ log_text(logtext);
+ }
+ return o;
+ }
+
+ /* call initializer */
+
+ asm_calljavafunction(m, o, i, NULL, NULL);
return o;
}
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;
*****************************************************************************/
-
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 */
/* 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) {
log_text("utf_new_u2:buffer==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;
-/* 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_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 */
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)
+ 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;
- }
+ 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 */
- stringdata -> header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
- stringdata -> header.size = length;
+ 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;
+ 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 = NEW(literalstring);
s->hashlink = string_hash.ptr[slot];
s->string = (java_objectheader *) js;
string_hash.ptr[slot] = s;
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;
}
-#ifdef JOWENN_DEBUG1
- log_text("literalstring_u2: newly created");
-/* utf_display(javastring_toutf(js,0));*/
+
+#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
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 */
/*if (utflength==0) while (1) sleep(60);*/
/* log_text("------------------"); */
/* 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)
{
*dest = src;
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;
+ 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);
+ if (retType) buffer_size += strlen(retType);
/* allocate buffer */
buffer = MNEW(u1, buffer_size);
/* method-desciptor starts with parenthesis */
*pos++ = '(';
- for (i=0;i<types->header.size;i++) {
+ for (i = 0; i < types->header.size; i++) {
+ char ch;
- char ch;
- /* current argument */
+ /* 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)) == '[' ) {
-
+ 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++) {
+ 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;
+ }
- char *utf_pos = utf_ptr-1;
- char *primitive = primitivetype_table[j].wrapname;
+ /* primitive type found */
+ *pos++ = primitivetype_table[j].typesig;
+ goto next_type;
- /* compare text */
- while (utf_pos<utf_end(c->name))
- if (*utf_pos++ != *primitive++) goto nomatch;
+ nomatch:
+ }
- /* primitive type found */
- *pos++ = primitivetype_table[j].typesig;
- goto next_type;
+ /* no primitive type and no arrayclass, so must be object */
+ *pos++ = 'L';
- nomatch:
- }
+ /* copy text */
+ for (utf_ptr--; utf_ptr < utf_end(c->name); utf_ptr++) {
+ *pos++ = *utf_ptr;
+ }
- /* 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++ = ';';
+ *pos++ = ';';
next_type:
- }
+ }
}
*pos++ = ')';
if (retType) {
- for (i=0;i<strlen(retType);i++) {
- *pos++=retType[i];
- }
+ for (i = 0; i < strlen(retType); i++) {
+ *pos++ = retType[i];
+ }
}
+
/* create utf-string */
- result = utf_new(buffer,(pos-buffer));
+ result = utf_new(buffer, (pos - buffer));
MFREE(buffer, u1, buffer_size);
return result;
}
+
+
+
+/******************************************************************************************
+
+ 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
return true;
}
+
/*--------------------------------------------------------*/
+java_objectarray *builtin_asm_createclasscontextarray(classinfo **end,classinfo **start) {
+#warning platform dependend
+ 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) {
+#warning platform dependend
+ 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
projects / cacao.git / blobdiff