The .hh files created with the header file generator are all
included here as are the C functions implementing these methods.
- $Id: native.c 1089 2004-05-27 15:41:37Z twisti $
+ $Id: native.c 1464 2004-11-06 22:55:46Z motse $
*/
#include <utime.h>
#include "config.h"
+#include "exceptions.h"
#include "global.h"
-#include "main.h"
+#include "options.h"
#include "jni.h"
#include "native.h"
-#include "nativetypes.hh"
#include "builtin.h"
#include "asmpart.h"
#include "tables.h"
#include "threads/threadio.h"
-/* searchpath for classfiles */
-char *classpath;
+/* include table of native functions */
+
+#include "nativetable.inc"
+
/* for java-string to char conversion */
#define MAXSTRINGSIZE 1000
methodinfo *method_vmclass_init;
-/* system exception classes required while compiling */
-
-classinfo *class_java_lang_Throwable;
-
-
-/* exception/error super class */
-
-char *string_java_lang_Throwable =
- "java/lang/Throwable";
-
-char *string_java_lang_VMThrowable =
- "java/lang/VMThrowable";
-
-
-/* specify some exception strings for code generation */
-
-char *string_java_lang_ArithmeticException =
- "java/lang/ArithmeticException";
-
-char *string_java_lang_ArithmeticException_message =
- "/ by zero";
-
-char *string_java_lang_ArrayIndexOutOfBoundsException =
- "java/lang/ArrayIndexOutOfBoundsException";
-
-char *string_java_lang_ArrayStoreException =
- "java/lang/ArrayStoreException";
-
-char *string_java_lang_ClassCastException =
- "java/lang/ClassCastException";
-
-char *string_java_lang_ClassNotFoundException =
- "java/lang/ClassNotFoundException";
-
-char *string_java_lang_CloneNotSupportedException =
- "java/lang/CloneNotSupportedException";
-
-char *string_java_lang_Exception =
- "java/lang/Exception";
-
-char *string_java_lang_IllegalArgumentException =
- "java/lang/IllegalArgumentException";
-
-char *string_java_lang_IllegalMonitorStateException =
- "java/lang/IllegalMonitorStateException";
-
-char *string_java_lang_NegativeArraySizeException =
- "java/lang/NegativeArraySizeException";
-
-char *string_java_lang_NoSuchFieldException =
- "java/lang/NoSuchFieldException";
-
-char *string_java_lang_NoSuchMethodException =
- "java/lang/NoSuchMethodException";
-
-char *string_java_lang_NullPointerException =
- "java/lang/NullPointerException";
-
-
-/* specify some error strings for code generation */
-
-char *string_java_lang_AbstractMethodError =
- "java/lang/AbstractMethodError";
-
-char *string_java_lang_ClassCircularityError =
- "java/lang/ClassCircularityError";
-
-char *string_java_lang_ClassFormatError =
- "java/lang/ClassFormatError";
-
-char *string_java_lang_Error =
- "java/lang/Error";
-
-char *string_java_lang_ExceptionInInitializerError =
- "java/lang/ExceptionInInitializerError";
-
-char *string_java_lang_IncompatibleClassChangeError =
- "java/lang/IncompatibleClassChangeError";
-
-char *string_java_lang_InternalError =
- "java/lang/InternalError";
-
-char *string_java_lang_LinkageError =
- "java/lang/LinkageError";
-
-char *string_java_lang_NoClassDefFoundError =
- "java/lang/NoClassDefFoundError";
-
-char *string_java_lang_NoSuchFieldError =
- "java/lang/NoSuchFieldError";
-
-char *string_java_lang_NoSuchMethodError =
- "java/lang/NoSuchMethodError";
-
-char *string_java_lang_OutOfMemoryError =
- "java/lang/OutOfMemoryError";
-
-char *string_java_lang_VerifyError =
- "java/lang/VerifyError";
-
-char *string_java_lang_VirtualMachineError =
- "java/lang/VirtualMachineError";
-
-
/* the system classloader object */
struct java_lang_ClassLoader *SystemClassLoader = NULL;
void use_class_as_object(classinfo *c)
{
-/* vftbl *vt; */
-/* vftbl *newtbl; */
- java_objectheader *vmo;
-
-/* 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;
-
- 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");
- }
-
- 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;
-#if 0
- setfield_critical(class_java_lang_Class,vmo,"vmClass", "Ljava/lang/VMClass;", jobject, (jobject) class_java_lang_Class /*this*/);
-#endif
-
- }
+ 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
#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 */
-
-/******************************************************************************/
/******************************************************************************/
-/* init_system_exceptions *****************************************************
-
- load, link and compile exceptions used in the system
-
-*******************************************************************************/
-
-void init_system_exceptions()
-{
- classinfo *c;
-
- /* java/lang/Throwable */
-
- class_java_lang_Throwable =
- class_new(utf_new_char(string_java_lang_Throwable));
- class_load(class_java_lang_Throwable);
- class_link(class_java_lang_Throwable);
- compile_all_class_methods(class_java_lang_Throwable);
-
- /* java/lang/VMThrowable */
-
- c = class_new(utf_new_char(string_java_lang_VMThrowable));
- class_load(c);
- class_link(c);
- compile_all_class_methods(c);
-
- /* java/lang/ClassFormatError */
-
- c = class_new(utf_new_char(string_java_lang_ClassFormatError));
- class_load(c);
- class_link(c);
- compile_all_class_methods(c);
-
- /* java/lang/Error */
-
- c = class_new(utf_new_char(string_java_lang_Error));
- class_load(c);
- class_link(c);
- compile_all_class_methods(c);
-
- /* java/lang/Exception */
-
- c = class_new(utf_new_char(string_java_lang_Exception));
- class_load(c);
- class_link(c);
- compile_all_class_methods(c);
-
- /* java/lang/IncompatibleClassChangeError */
-
- c = class_new(utf_new_char(string_java_lang_IncompatibleClassChangeError));
- class_load(c);
- class_link(c);
- compile_all_class_methods(c);
-
- /* java/lang/LinkageError */
-
- c = class_new(utf_new_char(string_java_lang_LinkageError));
- class_load(c);
- class_link(c);
- compile_all_class_methods(c);
-
- /* java/lang/NoClassDefFoundError */
-
- c = class_new(utf_new_char(string_java_lang_NoClassDefFoundError));
- class_load(c);
- class_link(c);
- compile_all_class_methods(c);
-
- /* java/lang/NoSuchFieldError */
-
- c = class_new(utf_new_char(string_java_lang_NoSuchFieldError));
- class_load(c);
- class_link(c);
- compile_all_class_methods(c);
-
- /* java/lang/NoSuchMethodError */
-
- c = class_new(utf_new_char(string_java_lang_NoSuchMethodError));
- class_load(c);
- class_link(c);
- compile_all_class_methods(c);
-
- /* java/lang/OutOfMemoryError */
-
- c = class_new(utf_new_char(string_java_lang_OutOfMemoryError));
- class_load(c);
- class_link(c);
- compile_all_class_methods(c);
-
- /* java/lang/VerifyError */
-
- c = class_new(utf_new_char(string_java_lang_VerifyError));
- class_load(c);
- class_link(c);
- compile_all_class_methods(c);
-
- /* java/lang/VirtualMachineError */
-
- c = class_new(utf_new_char(string_java_lang_VirtualMachineError));
- class_load(c);
- class_link(c);
- compile_all_class_methods(c);
-}
-
-
-void compile_all_class_methods(classinfo *c)
-{
- s4 i;
-
- for (i = 0; i < c->methodscount; i++) {
- (void) jit_compile(&(c->methods[i]));
- }
-}
-
-
-void throw_exception_exit()
-{
- java_objectheader *xptr;
- classinfo *c;
- methodinfo *pss;
-
- if (*exceptionptr) {
- xptr = *exceptionptr;
-
- /* clear exception, because we are calling jit code again */
- *exceptionptr = NULL;
-
- fprintf(stderr, "Exception in thread \"main\" ");
- fflush(stderr);
-
- c = xptr->vftbl->class;
-
-/* ts = class_resolveclassmethod(c, */
-/* utf_new_char("toString"), */
-/* utf_new_char("()Ljava/lang/String;"), */
-/* class_java_lang_Object, */
-/* false); */
-
-/* if (!ts) { */
-/* panic("internal error"); */
-/* } */
-
-/* tostring = asm_calljavafunction(ts, xptr, NULL, NULL, NULL); */
-
-/* utf_display(javastring_toutf(tostring, false)); */
-
- pss = class_resolveclassmethod(c,
- utf_new_char("printStackTrace"),
- utf_new_char("()V"),
- class_java_lang_Object,
- false);
-
- /* print the stacktrace */
- if (pss) {
- asm_calljavafunction(pss, xptr, NULL, NULL, NULL);
-
- /* this normally means, we are EXTREMLY out of memory, but may be
- any other exception */
- if (*exceptionptr) {
- utf_fprint_classname(stderr, c->name);
- fprintf(stderr, "\n");
- }
-
- } else {
- utf_fprint_classname(stderr, c->name);
- fprintf(stderr, ": printStackTrace()V not found!\n");
- }
-
- fflush(stderr);
-
- /* good bye! */
- exit(1);
- }
-}
-
-
-void throw_cacao_exception_exit(char *exception, char *message)
-{
- s4 i;
- char *tmp;
- s4 len;
-
- len = strlen(exception);
- tmp = MNEW(char*, len);
- strncpy(tmp, exception, len);
-
- /* convert to classname */
-
- for (i = len - 1; i >= 0; i--) {
- if (tmp[i] == '/') tmp[i] = '.';
- }
-
- fprintf(stderr, "Exception in thread \"main\" %s", tmp);
-
- MFREE(tmp, char*, len);
-
- if (strlen(message) > 0)
- fprintf(stderr, ": %s", message);
-
- fprintf(stderr, "\n");
- fflush(stderr);
-
- /* good bye! */
- exit(1);
-}
-
-
-java_objectheader *new_exception(char *classname)
-{
- classinfo *c = class_new(utf_new_char(classname));
-
- return native_new_and_init(c);
-}
-
-java_objectheader *new_exception_message(char *classname, char *message)
-{
- classinfo *c = class_new(utf_new_char(classname));
-
- return native_new_and_init_string(c, javastring_new_char(message));
-}
-
-
-java_objectheader *new_exception_throwable(char *classname, java_lang_Throwable *throwable)
-{
- classinfo *c = class_new(utf_new_char(classname));
-
- return native_new_and_init_throwable(c, throwable);
-}
-
-
-java_objectheader *new_exception_utfmessage(char *classname, utf *message)
-{
- classinfo *c = class_new(utf_new_char(classname));
-
- return native_new_and_init_string(c, javastring_new(message));
-}
-
-
-java_objectheader *new_exception_javastring(char *classname, java_lang_String *message)
-{
- classinfo *c = class_new(utf_new_char(classname));
-
- return native_new_and_init_string(c, message);
-}
-
-
-java_objectheader *new_exception_int(char *classname, s4 i)
-{
- classinfo *c = class_new(utf_new_char(classname));
-
- return native_new_and_init_int(c, i);
-}
+#include "natcalls.h"
/*********************** function: native_loadclasses **************************
class_java_lang_Void = class_new(utf_new_char("java/lang/Void"));
class_load(class_java_lang_Void);
class_link(class_java_lang_Void);
+
}
}
-/********************* 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;
/* keep compiler happy */
return NULL;
+#else
+/* dynamic classpath */
+ return 0;
+#endif
}
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;
-
+
+ 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);
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;
-
+
+ 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);
/* 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;
}
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;
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
/* string already in hashtable, free memory */
if (!copymode)
- lit_mem_free(a, sizeof(java_chararray) + sizeof(u2) * (length - 1) + 10);
+ mem_free(a, sizeof(java_chararray) + sizeof(u2) * (length - 1) + 10);
#ifdef DEBUG_LITERALSTRING_U2
printf("literalstring_u2: foundentry at %p\n", js);
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);
+ 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);
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 = LNEW(java_lang_String);
- /* TWISTI */
-/* js->header.vftbl = class_java_lang_String->vftbl; */
- js->header.vftbl = class_load(class_new(utf_new_char("java/lang/String")))->vftbl;
+ 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 numbe of hashtable entries */
+ /* update number of hashtable entries */
string_hash.entries++;
/* reorganization of hashtable */
the external chains is approx. 2 */
u4 i;
- literalstring *s;
+ literalstring *s;
hashtable newhash; /* the new hashtable */
/* create new hashtable, double the size */
string_hash = newhash;
}
-#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;
}
u4 i;
/* 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++)
java_chararray *a = s->value;
/* 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
}
-/******************************************************************************************
+/* 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
-
-/******************************************************************************************
-
- get the exceptions which can be thrown by a method
-
-*******************************************************************************************/
+*******************************************************************************/
java_objectarray* get_exceptiontypes(methodinfo *m) {
u2 exccount=m->thrownexceptionscount;
/*--------------------------------------------------------*/
-java_objectarray *builtin_asm_createclasscontextarray(classinfo **end,classinfo **start) {
+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);*/
+ /*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)
}
-java_lang_ClassLoader *builtin_asm_getclassloader(classinfo **end,classinfo **start) {
+java_lang_ClassLoader *builtin_asm_getclassloader(classinfo **end,classinfo **start)
+{
+#if defined(__GNUC__)
#warning platform dependend
+#endif
int i;
classinfo **current;
classinfo *c;
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