/* src/vm/exceptions.c - exception related functions
- Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
+ Copyright (C) 1996-2005, 2006, 2007 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
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Christian Thalinger
-
- Changes: Edwin Steiner
-
- $Id: exceptions.c 4550 2006-03-01 17:00:33Z twisti $
+ $Id: exceptions.c 7596 2007-03-28 21:05:53Z twisti $
*/
#include "vm/types.h"
+#include "md-abi.h"
+
#include "mm/memory.h"
+
+#include "native/jni.h"
#include "native/native.h"
#include "native/include/java_lang_String.h"
#include "native/include/java_lang_Throwable.h"
+
+#if defined(ENABLE_THREADS)
+# include "threads/native/threads.h"
+#else
+# include "threads/none/threads.h"
+#endif
+
#include "toolbox/logging.h"
#include "toolbox/util.h"
-#include "vm/class.h"
+
+#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/global.h"
-#include "vm/loader.h"
-#include "vm/options.h"
#include "vm/stringlocal.h"
+#include "vm/vm.h"
+
#include "vm/jit/asmpart.h"
+#include "vm/jit/disass.h"
#include "vm/jit/jit.h"
#include "vm/jit/methodheader.h"
+#include "vm/jit/stacktrace.h"
+
+#include "vmcore/class.h"
+#include "vmcore/loader.h"
+#include "vmcore/options.h"
/* for raising exceptions from native methods *********************************/
-#if !defined(USE_THREADS) || !defined(NATIVE_THREADS)
+#if !defined(ENABLE_THREADS)
java_objectheader *_no_threads_exceptionptr = NULL;
#endif
!link_class(class_java_lang_Throwable))
return false;
-
- /* java/lang/VMThrowable */
-
- if (!(class_java_lang_VMThrowable =
- load_class_bootstrap(utf_java_lang_VMThrowable)) ||
- !link_class(class_java_lang_VMThrowable))
- return false;
-
-
/* java/lang/Error */
if (!(class_java_lang_Error = load_class_bootstrap(utf_java_lang_Error)) ||
!link_class(class_java_lang_Error))
return false;
- /* java/lang/NoClassDefFoundError */
-
- if (!(class_java_lang_NoClassDefFoundError =
- load_class_bootstrap(utf_java_lang_NoClassDefFoundError)) ||
- !link_class(class_java_lang_NoClassDefFoundError))
- return false;
-
+#if defined(ENABLE_JAVASE)
/* java/lang/LinkageError */
if (!(class_java_lang_LinkageError =
load_class_bootstrap(utf_java_lang_LinkageError)) ||
!link_class(class_java_lang_LinkageError))
return false;
+#endif
- /* java/lang/NoSuchMethodError */
+ /* java/lang/NoClassDefFoundError */
- if (!(class_java_lang_NoSuchMethodError =
- load_class_bootstrap(utf_java_lang_NoSuchMethodError)) ||
- !link_class(class_java_lang_NoSuchMethodError))
+ if (!(class_java_lang_NoClassDefFoundError =
+ load_class_bootstrap(utf_java_lang_NoClassDefFoundError)) ||
+ !link_class(class_java_lang_NoClassDefFoundError))
return false;
/* java/lang/OutOfMemoryError */
!link_class(class_java_lang_OutOfMemoryError))
return false;
+ /* java/lang/VirtualMachineError */
+
+ if (!(class_java_lang_VirtualMachineError =
+ load_class_bootstrap(utf_java_lang_VirtualMachineError)) ||
+ !link_class(class_java_lang_VirtualMachineError))
+ return false;
+
/* java/lang/Exception */
!link_class(class_java_lang_Exception))
return false;
+ /* java/lang/ClassCastException */
+
+ if (!(class_java_lang_ClassCastException =
+ load_class_bootstrap(utf_java_lang_ClassCastException)) ||
+ !link_class(class_java_lang_ClassCastException))
+ return false;
+
/* java/lang/ClassNotFoundException */
if (!(class_java_lang_ClassNotFoundException =
!link_class(class_java_lang_ClassNotFoundException))
return false;
- /* java/lang/IllegalArgumentException */
-
- if (!(class_java_lang_IllegalArgumentException =
- load_class_bootstrap(utf_java_lang_IllegalArgumentException)) ||
- !link_class(class_java_lang_IllegalArgumentException))
- return false;
-
- /* java/lang/IllegalMonitorStateException */
-
- if (!(class_java_lang_IllegalMonitorStateException =
- load_class_bootstrap(utf_java_lang_IllegalMonitorStateException)) ||
- !link_class(class_java_lang_IllegalMonitorStateException))
- return false;
-
/* java/lang/NullPointerException */
if (!(class_java_lang_NullPointerException =
return false;
+#if defined(WITH_CLASSPATH_GNU)
+ /* java/lang/VMThrowable */
+
+ if (!(class_java_lang_VMThrowable =
+ load_class_bootstrap(utf_java_lang_VMThrowable)) ||
+ !link_class(class_java_lang_VMThrowable))
+ return false;
+#endif
+
return true;
}
-static void throw_exception_exit_intern(bool doexit)
-{
- java_objectheader *xptr;
- classinfo *c;
- methodinfo *pss;
+/* exceptions_new_class ********************************************************
- xptr = *exceptionptr;
+ Creates an exception object from the given class and initalizes it.
- if (xptr) {
- /* clear exception, because we are calling jit code again */
- *exceptionptr = NULL;
+ IN:
+ class....class pointer
- c = xptr->vftbl->class;
+*******************************************************************************/
+
+static java_objectheader *exceptions_new_class(classinfo *c)
+{
+ java_objectheader *o;
- pss = class_resolveclassmethod(c,
- utf_printStackTrace,
- utf_void__void,
- class_java_lang_Object,
- false);
+ o = native_new_and_init(c);
- /* print the stacktrace */
+ if (o == NULL)
+ return *exceptionptr;
- if (pss) {
- ASM_CALLJAVAFUNCTION(pss, xptr, NULL, NULL, NULL);
+ return o;
+}
- /* This normally means, we are EXTREMLY out of memory or have a */
- /* serious problem while printStackTrace. But may be another */
- /* exception, so print it. */
- if (*exceptionptr) {
- java_lang_Throwable *t;
+/* exceptions_new_utf **********************************************************
- t = (java_lang_Throwable *) *exceptionptr;
+ Creates an exception object with the given name and initalizes it.
- fprintf(stderr, "Exception while printStackTrace(): ");
- utf_fprint_classname(stderr, t->header.vftbl->class->name);
+ IN:
+ classname....class name in UTF-8
- if (t->detailMessage) {
- char *buf;
+*******************************************************************************/
- buf = javastring_tochar((java_objectheader *) t->detailMessage);
- fprintf(stderr, ": %s", buf);
- MFREE(buf, char, strlen(buf));
- }
-
- fprintf(stderr, "\n");
- }
+static java_objectheader *exceptions_new_utf(utf *classname)
+{
+ classinfo *c;
+ java_objectheader *o;
- } else {
- utf_fprint_classname(stderr, c->name);
- fprintf(stderr, ": printStackTrace()V not found!\n");
- }
+ c = load_class_bootstrap(classname);
- fflush(stderr);
+ if (c == NULL)
+ return *exceptionptr;
- /* good bye! */
+ o = exceptions_new_class(c);
- if (doexit)
- exit(1);
- }
+ return o;
}
-void throw_exception(void)
-{
- throw_exception_exit_intern(false);
-}
+/* exceptions_throw_class ******************************************************
+ Creates an exception object from the given class, initalizes and
+ throws it.
-void throw_exception_exit(void)
-{
- throw_exception_exit_intern(true);
-}
+ IN:
+ class....class pointer
+*******************************************************************************/
-void throw_main_exception(void)
+static void exceptions_throw_class(classinfo *c)
{
- fprintf(stderr, "Exception in thread \"main\" ");
- fflush(stderr);
+ java_objectheader *o;
+
+ o = exceptions_new_class(c);
+
+ if (o == NULL)
+ return;
- throw_exception_exit_intern(false);
+ *exceptionptr = o;
}
-void throw_main_exception_exit(void)
-{
- fprintf(stderr, "Exception in thread \"main\" ");
- fflush(stderr);
+/* exceptions_throw_utf ********************************************************
- throw_exception_exit_intern(true);
-}
+ Creates an exception object with the given name, initalizes and
+ throws it.
+ IN:
+ classname....class name in UTF-8
-void throw_cacao_exception_exit(const char *exception, const char *message, ...)
+*******************************************************************************/
+
+static void exceptions_throw_utf(utf *classname)
{
- s4 i;
- char *tmp;
- s4 len;
- va_list ap;
+ classinfo *c;
- len = strlen(exception);
- tmp = MNEW(char, len + 1);
- strncpy(tmp, exception, len);
- tmp[len] = '\0';
+ c = load_class_bootstrap(classname);
- /* convert to classname */
+ if (c == NULL)
+ return;
- for (i = len - 1; i >= 0; i--)
- if (tmp[i] == '/') tmp[i] = '.';
+ exceptions_throw_class(c);
+}
- fprintf(stderr, "Exception in thread \"main\" %s", tmp);
- MFREE(tmp, char, len);
+/* exceptions_throw_utf_throwable **********************************************
- if (strlen(message) > 0) {
- fprintf(stderr, ": ");
+ Creates an exception object with the given name and initalizes it
+ with the given java/lang/Throwable exception.
- va_start(ap, message);
- vfprintf(stderr, message, ap);
- va_end(ap);
- }
+ IN:
+ classname....class name in UTF-8
+ cause........the given Throwable
- fprintf(stderr, "\n");
- fflush(stderr);
+*******************************************************************************/
- /* good bye! */
+static void exceptions_throw_utf_throwable(utf *classname,
+ java_objectheader *cause)
+{
+ java_objectheader *o;
+ classinfo *c;
+
+ c = load_class_bootstrap(classname);
- exit(1);
-}
+ if (c == NULL)
+ return;
+ o = native_new_and_init_throwable(c, cause);
-/* exceptions_throw_outofmemory_exit *******************************************
+ if (o == NULL)
+ return;
- Just print an: java.lang.InternalError: Out of memory
+ *exceptionptr = o;
+}
-*******************************************************************************/
-void exceptions_throw_outofmemory_exit(void)
-{
- throw_cacao_exception_exit(string_java_lang_InternalError,
- "Out of memory");
-}
+/* exceptions_new_utf_javastring ***********************************************
+ Creates an exception object with the given name and initalizes it
+ with the given java/lang/String message.
-/* new_exception ***************************************************************
+ IN:
+ classname....class name in UTF-8
+ message......the message as a java.lang.String
- Creates an exception object with the given name and initalizes it.
+ RETURN VALUE:
+ an exception pointer (in any case -- either it is the newly created
+ exception, or an exception thrown while trying to create it).
*******************************************************************************/
-java_objectheader *new_exception(const char *classname)
+static java_objectheader *exceptions_new_utf_javastring(utf *classname,
+ java_objectheader *message)
{
java_objectheader *o;
classinfo *c;
+
+ c = load_class_bootstrap(classname);
- if (!(c = load_class_bootstrap(utf_new_char(classname))))
+ if (c == NULL)
return *exceptionptr;
- o = native_new_and_init(c);
+ o = native_new_and_init_string(c, message);
- if (!o)
+ if (o == NULL)
return *exceptionptr;
return o;
}
-/* new_exception_message *******************************************************
+/* exceptions_new_class_utf ****************************************************
- Creates an exception object with the given name and initalizes it
- with the given char message.
+ Creates an exception object of the given class and initalizes it.
+
+ IN:
+ c..........class pointer
+ message....the message as UTF-8 string
*******************************************************************************/
-java_objectheader *new_exception_message(const char *classname,
- const char *message)
+static java_objectheader *exceptions_new_class_utf(classinfo *c, utf *message)
{
java_objectheader *o;
- classinfo *c;
-
- if (!(c = load_class_bootstrap(utf_new_char(classname))))
+ java_objectheader *s;
+
+ s = javastring_new(message);
+
+ if (s == NULL)
return *exceptionptr;
- o = native_new_and_init_string(c, javastring_new_char(message));
+ o = native_new_and_init_string(c, s);
- if (!o)
+ if (o == NULL)
return *exceptionptr;
return o;
}
-/* new_exception_throwable *****************************************************
+/* exceptions_new_utf_utf ******************************************************
Creates an exception object with the given name and initalizes it
- with the given java/lang/Throwable exception.
+ with the given utf message.
+
+ IN:
+ classname....class name in UTF-8
+ message......the message as an utf *
+
+ RETURN VALUE:
+ an exception pointer (in any case -- either it is the newly created
+ exception, or an exception thrown while trying to create it).
*******************************************************************************/
-java_objectheader *new_exception_throwable(const char *classname,
- java_lang_Throwable *throwable)
+static java_objectheader *exceptions_new_utf_utf(utf *classname, utf *message)
{
- java_objectheader *o;
classinfo *c;
-
- if (!(c = load_class_bootstrap(utf_new_char(classname))))
- return *exceptionptr;
+ java_objectheader *o;
- o = native_new_and_init_throwable(c, throwable);
+ c = load_class_bootstrap(classname);
- if (!o)
+ if (c == NULL)
return *exceptionptr;
+ o = exceptions_new_class_utf(c, message);
+
return o;
}
-/* new_exception_utfmessage ****************************************************
+/* new_exception_message *******************************************************
Creates an exception object with the given name and initalizes it
- with the given utf message.
+ with the given char message.
+
+ IN:
+ classname....class name in UTF-8
+ message......message in UTF-8
+
+ RETURN VALUE:
+ an exception pointer (in any case -- either it is the newly created
+ exception, or an exception thrown while trying to create it).
*******************************************************************************/
-java_objectheader *new_exception_utfmessage(const char *classname, utf *message)
+static java_objectheader *new_exception_message(const char *classname,
+ const char *message)
{
java_objectheader *o;
- classinfo *c;
-
- if (!(c = load_class_bootstrap(utf_new_char(classname))))
- return *exceptionptr;
+ java_objectheader *s;
- o = native_new_and_init_string(c, javastring_new(message));
+ s = javastring_new_from_utf_string(message);
- if (!o)
+ if (s == NULL)
return *exceptionptr;
+ o = exceptions_new_utf_javastring(classname, s);
+
return o;
}
-/* new_exception_javastring ****************************************************
+/* exceptions_throw_class_utf **************************************************
- Creates an exception object with the given name and initalizes it
- with the given java/lang/String message.
+ Creates an exception object of the given class, initalizes and
+ throws it with the given utf message.
+
+ IN:
+ c..........class pointer
+ message....the message as an UTF-8
*******************************************************************************/
-java_objectheader *new_exception_javastring(const char *classname,
- java_lang_String *message)
+static void exceptions_throw_class_utf(classinfo *c, utf *message)
{
- java_objectheader *o;
- classinfo *c;
-
- if (!(c = load_class_bootstrap(utf_new_char(classname))))
- return *exceptionptr;
+ *exceptionptr = exceptions_new_class_utf(c, message);
+}
- o = native_new_and_init_string(c, message);
- if (!o)
- return *exceptionptr;
+/* exceptions_throw_utf_utf ****************************************************
- return o;
+ Creates an exception object with the given name, initalizes and
+ throws it with the given utf message.
+
+ IN:
+ classname....class name in UTF-8
+ message......the message as an utf *
+
+*******************************************************************************/
+
+static void exceptions_throw_utf_utf(utf *classname, utf *message)
+{
+ *exceptionptr = exceptions_new_utf_utf(classname, message);
}
Creates an exception object with the given name and initalizes it
with the given int value.
+ IN:
+ classname....class name in UTF-8
+ i............the integer
+
+ RETURN VALUE:
+ an exception pointer (in any case -- either it is the newly created
+ exception, or an exception thrown while trying to create it).
+
*******************************************************************************/
java_objectheader *new_exception_int(const char *classname, s4 i)
}
-/* new_classformaterror ********************************************************
+/* exceptions_new_abstractmethoderror ****************************************
+
+ Generates a java.lang.AbstractMethodError for the VM.
+
+*******************************************************************************/
+
+java_objectheader *exceptions_new_abstractmethoderror(void)
+{
+ java_objectheader *o;
+
+ o = exceptions_new_utf(utf_java_lang_AbstractMethodError);
+
+ return o;
+}
+
+
+/* exceptions_new_error ********************************************************
+
+ Generates a java.lang.Error for the VM.
+
+*******************************************************************************/
+
+#if defined(ENABLE_JAVAME_CLDC1_1)
+static java_objectheader *exceptions_new_error(utf *message)
+{
+ java_objectheader *o;
+
+ o = exceptions_new_class_utf(class_java_lang_Error, message);
+
+ return o;
+}
+#endif
+
+
+/* exceptions_asm_new_abstractmethoderror **************************************
+
+ Generates a java.lang.AbstractMethodError for
+ asm_abstractmethoderror.
+
+*******************************************************************************/
+
+java_objectheader *exceptions_asm_new_abstractmethoderror(u1 *sp, u1 *ra)
+{
+ stackframeinfo sfi;
+ java_objectheader *e;
+
+ /* create the stackframeinfo (XPC is equal to RA) */
+
+ stacktrace_create_extern_stackframeinfo(&sfi, NULL, sp, ra, ra);
+
+ /* create the exception */
+
+#if defined(ENABLE_JAVASE)
+ e = exceptions_new_abstractmethoderror();
+#else
+ e = exceptions_new_error(utf_java_lang_AbstractMethodError);
+#endif
+
+ /* remove the stackframeinfo */
+
+ stacktrace_remove_stackframeinfo(&sfi);
+
+ return e;
+}
+
+
+/* exceptions_new_arraystoreexception ******************************************
+
+ Generates a java.lang.ArrayStoreException for the VM.
+
+*******************************************************************************/
+
+java_objectheader *exceptions_new_arraystoreexception(void)
+{
+ java_objectheader *o;
+
+ o = exceptions_new_utf(utf_java_lang_ArrayStoreException);
+
+ return o;
+}
+
+
+/* exceptions_throw_abstractmethoderror ****************************************
+
+ Generates and throws a java.lang.AbstractMethodError for the VM.
+
+*******************************************************************************/
+
+void exceptions_throw_abstractmethoderror(void)
+{
+ exceptions_throw_utf(utf_java_lang_AbstractMethodError);
+}
+
+
+/* exceptions_throw_classcircularityerror **************************************
+
+ Generates and throws a java.lang.ClassCircularityError for the
+ classloader.
+
+ IN:
+ c............the class in which the error was found
+
+*******************************************************************************/
+
+void exceptions_throw_classcircularityerror(classinfo *c)
+{
+ java_objectheader *o;
+ char *msg;
+ s4 msglen;
+
+ /* calculate message length */
+
+ msglen = utf_bytes(c->name) + strlen("0");
+
+ /* allocate a buffer */
+
+ msg = MNEW(char, msglen);
+
+ /* print message into allocated buffer */
+
+ utf_copy_classname(msg, c->name);
+
+ o = new_exception_message(utf_java_lang_ClassCircularityError, msg);
+
+ MFREE(msg, char, msglen);
+
+ if (o == NULL)
+ return;
+
+ *exceptionptr = o;
+}
+
+
+/* exceptions_throw_classformaterror *******************************************
+
+ Generates and throws a java.lang.ClassFormatError for the VM.
- generates a java.lang.ClassFormatError for the classloader
+ IN:
+ c............the class in which the error was found
+ message......UTF-8 format string
*******************************************************************************/
-java_objectheader *new_classformaterror(classinfo *c, const char *message, ...)
+void exceptions_throw_classformaterror(classinfo *c, const char *message, ...)
{
java_objectheader *o;
char *msg;
msglen = 0;
- if (c)
- msglen += utf_strlen(c->name) + strlen(" (");
+ if (c != NULL)
+ msglen += utf_bytes(c->name) + strlen(" (");
va_start(ap, message);
msglen += get_variable_message_length(message, ap);
va_end(ap);
- if (c)
+ if (c != NULL)
msglen += strlen(")");
msglen += strlen("0");
/* print message into allocated buffer */
- if (c) {
- utf_sprint_classname(msg, c->name);
+ if (c != NULL) {
+ utf_copy_classname(msg, c->name);
strcat(msg, " (");
}
vsprintf(msg + strlen(msg), message, ap);
va_end(ap);
- if (c)
+ if (c != NULL)
strcat(msg, ")");
- o = new_exception_message(string_java_lang_ClassFormatError, msg);
+ o = new_exception_message(utf_java_lang_ClassFormatError, msg);
MFREE(msg, char, msglen);
- return o;
+ *exceptionptr = o;
}
-/* exceptions_throw_classformaterror *******************************************
+/* exceptions_throw_classnotfoundexception *************************************
+
+ Generates and throws a java.lang.ClassNotFoundException for the
+ VM.
- Generates a java.lang.ClassFormatError for the VM system throw it
- in the VM system.
+ IN:
+ name.........name of the class not found as a utf *
*******************************************************************************/
-void exceptions_throw_classformaterror(classinfo *c, const char *message, ...)
+void exceptions_throw_classnotfoundexception(utf *name)
{
- va_list ap;
+ /* we use class here, as this one is rather frequent */
- va_start(ap, message);
- *exceptionptr = new_classformaterror(c, message, ap);
- va_end(ap);
+ exceptions_throw_class_utf(class_java_lang_ClassNotFoundException, name);
}
-/* new_classnotfoundexception **************************************************
+/* exceptions_throw_noclassdeffounderror ***************************************
- Generates a java.lang.ClassNotFoundException for the classloader.
+ Generates and throws a java.lang.NoClassDefFoundError.
+
+ IN:
+ name.........name of the class not found as a utf *
*******************************************************************************/
-java_objectheader *new_classnotfoundexception(utf *name)
+void exceptions_throw_noclassdeffounderror(utf *name)
{
- java_objectheader *o;
+ if (vm_initializing)
+ vm_abort("java.lang.NoClassDefFoundError: %s", name->text);
- o = native_new_and_init_string(class_java_lang_ClassNotFoundException,
- javastring_new(name));
+ exceptions_throw_class_utf(class_java_lang_NoClassDefFoundError, name);
+}
- if (!o)
- return *exceptionptr;
- return o;
-}
+/* exceptions_throw_noclassdeffounderror_wrong_name ****************************
+ Generates and throws a java.lang.NoClassDefFoundError with a
+ specific message:
-/* new_noclassdeffounderror ****************************************************
- Generates a java.lang.NoClassDefFoundError
+
+ IN:
+ name.........name of the class not found as a utf *
*******************************************************************************/
-java_objectheader *new_noclassdeffounderror(utf *name)
+void exceptions_throw_noclassdeffounderror_wrong_name(classinfo *c, utf *name)
{
- java_objectheader *o;
+ char *msg;
+ s4 msglen;
+ utf *u;
- o = native_new_and_init_string(class_java_lang_NoClassDefFoundError,
- javastring_new(name));
+ msglen = utf_bytes(c->name) + strlen(" (wrong name: ") +
+ utf_bytes(name) + strlen(")") + strlen("0");
- if (!o)
- return *exceptionptr;
+ msg = MNEW(char, msglen);
- return o;
+ utf_copy_classname(msg, c->name);
+ strcat(msg, " (wrong name: ");
+ utf_cat_classname(msg, name);
+ strcat(msg, ")");
+
+ u = utf_new_char(msg);
+
+ MFREE(msg, char, msglen);
+
+ exceptions_throw_noclassdeffounderror(u);
}
void classnotfoundexception_to_noclassdeffounderror(void)
{
- java_objectheader *xptr;
- java_objectheader *cause;
+ java_objectheader *xptr;
+ java_objectheader *cause;
+ java_lang_Throwable *t;
+ java_lang_String *s;
/* get the cause */
/* create new error */
- xptr =
- new_exception_javastring(string_java_lang_NoClassDefFoundError,
- ((java_lang_Throwable *) cause)->detailMessage);
+ t = (java_lang_Throwable *) cause;
+ s = t->detailMessage;
+
+ xptr = exceptions_new_utf_javastring(utf_java_lang_NoClassDefFoundError, s);
/* we had an exception while creating the error */
}
-/* new_internalerror ***********************************************************
+/* exceptions_throw_exceptionininitializererror ********************************
+
+ Generates and throws a java.lang.ExceptionInInitializerError for
+ the VM.
- Generates a java.lang.InternalError for the VM.
+ IN:
+ cause......cause exception object
*******************************************************************************/
-java_objectheader *new_internalerror(const char *message, ...)
+void exceptions_throw_exceptionininitializererror(java_objectheader *cause)
+{
+ exceptions_throw_utf_throwable(utf_java_lang_ExceptionInInitializerError,
+ cause);
+}
+
+
+/* exceptions_throw_incompatibleclasschangeerror *******************************
+
+ Generates and throws a java.lang.IncompatibleClassChangeError for
+ the VM.
+
+ IN:
+ message......UTF-8 message format string
+
+*******************************************************************************/
+
+void exceptions_throw_incompatibleclasschangeerror(classinfo *c, const char *message)
+{
+ java_objectheader *o;
+ char *msg;
+ s4 msglen;
+
+ /* calculate exception message length */
+
+ msglen = utf_bytes(c->name) + strlen(message) + strlen("0");
+
+ /* allocate memory */
+
+ msg = MNEW(char, msglen);
+
+ utf_copy_classname(msg, c->name);
+ strcat(msg, message);
+
+ o = native_new_and_init_string(utf_java_lang_IncompatibleClassChangeError,
+ javastring_new_from_utf_string(msg));
+
+ /* free memory */
+
+ MFREE(msg, char, msglen);
+
+ if (o == NULL)
+ return;
+
+ *exceptionptr = o;
+}
+
+
+/* exceptions_throw_instantiationerror *****************************************
+
+ Generates and throws a java.lang.InstantiationError for the VM.
+
+*******************************************************************************/
+
+void exceptions_throw_instantiationerror(classinfo *c)
+{
+ exceptions_throw_utf_utf(utf_java_lang_InstantiationError, c->name);
+}
+
+
+/* exceptions_throw_internalerror **********************************************
+
+ Generates and throws a java.lang.InternalError for the VM.
+
+ IN:
+ message......UTF-8 message format string
+
+*******************************************************************************/
+
+void exceptions_throw_internalerror(const char *message, ...)
{
java_objectheader *o;
va_list ap;
/* create exception object */
- o = new_exception_message(string_java_lang_InternalError, msg);
+ o = new_exception_message(utf_java_lang_InternalError, msg);
/* free memory */
MFREE(msg, char, msglen);
- return o;
+ if (o == NULL)
+ return;
+
+ *exceptionptr = o;
}
-/* exceptions_new_linkageerror *************************************************
+/* exceptions_throw_linkageerror ***********************************************
+
+ Generates and throws java.lang.LinkageError with an error message.
- Generates a java.lang.LinkageError with an error message.
- If c != NULL, the name of c is appended to the error message.
+ IN:
+ message......UTF-8 message
+ c............class related to the error. If this is != NULL
+ the name of c is appended to the error message.
*******************************************************************************/
-java_objectheader *exceptions_new_linkageerror(const char *message,
- classinfo *c)
+void exceptions_throw_linkageerror(const char *message, classinfo *c)
{
java_objectheader *o;
char *msg;
/* calculate exception message length */
msglen = strlen(message) + 1;
- if (c) {
- msglen += utf_strlen(c->name);
- }
+
+ if (c != NULL)
+ msglen += utf_bytes(c->name);
/* allocate memory */
/* generate message */
strcpy(msg,message);
- if (c) {
- utf_strcat(msg, c->name);
- }
+
+ if (c != NULL)
+ utf_cat_classname(msg, c->name);
o = native_new_and_init_string(class_java_lang_LinkageError,
- javastring_new_char(msg));
+ javastring_new_from_utf_string(msg));
/* free memory */
MFREE(msg, char, msglen);
- return o;
+ if (o == NULL)
+ return;
+
+ *exceptionptr = o;
}
-/* exceptions_new_nosuchmethoderror ********************************************
+/* exceptions_throw_nosuchfielderror *******************************************
+
+ Generates and throws a java.lang.NoSuchFieldError with an error
+ message.
- Generates a java.lang.NoSuchMethodError with an error message.
+ IN:
+ c............class in which the field was not found
+ name.........name of the field
*******************************************************************************/
-java_objectheader *exceptions_new_nosuchmethoderror(classinfo *c,
- utf *name, utf *desc)
+void exceptions_throw_nosuchfielderror(classinfo *c, utf *name)
{
- java_objectheader *o;
- char *msg;
- s4 msglen;
+ char *msg;
+ s4 msglen;
+ utf *u;
/* calculate exception message length */
- msglen = utf_strlen(c->name) + strlen(".") + utf_strlen(name) +
- utf_strlen(desc) + strlen("0");
+ msglen = utf_bytes(c->name) + strlen(".") + utf_bytes(name) + strlen("0");
/* allocate memory */
/* generate message */
- utf_sprint(msg, c->name);
+ utf_copy_classname(msg, c->name);
strcat(msg, ".");
- utf_strcat(msg, name);
- utf_strcat(msg, desc);
+ utf_cat(msg, name);
- o = native_new_and_init_string(class_java_lang_NoSuchMethodError,
- javastring_new_char(msg));
+ u = utf_new_char(msg);
/* free memory */
MFREE(msg, char, msglen);
- return o;
+ exceptions_throw_utf_utf(utf_java_lang_NoSuchFieldError, u);
}
/* exceptions_throw_nosuchmethoderror ******************************************
- Generates a java.lang.NoSuchMethodError with an error message.
+ Generates and throws a java.lang.NoSuchMethodError with an error
+ message.
+
+ IN:
+ c............class in which the method was not found
+ name.........name of the method
+ desc.........descriptor of the method
*******************************************************************************/
void exceptions_throw_nosuchmethoderror(classinfo *c, utf *name, utf *desc)
{
- *exceptionptr = exceptions_new_nosuchmethoderror(c, name, desc);
+ char *msg;
+ s4 msglen;
+ utf *u;
+
+ /* calculate exception message length */
+
+ msglen = utf_bytes(c->name) + strlen(".") + utf_bytes(name) +
+ utf_bytes(desc) + strlen("0");
+
+ /* allocate memory */
+
+ msg = MNEW(char, msglen);
+
+ /* generate message */
+
+ utf_copy_classname(msg, c->name);
+ strcat(msg, ".");
+ utf_cat(msg, name);
+ utf_cat(msg, desc);
+
+ u = utf_new_char(msg);
+
+ /* free memory */
+
+ MFREE(msg, char, msglen);
+
+ exceptions_throw_utf_utf(utf_java_lang_NoSuchMethodError, u);
+}
+
+
+/* exceptions_throw_outofmemoryerror *******************************************
+
+ Generates and throws an java.lang.OutOfMemoryError for the VM.
+
+*******************************************************************************/
+
+void exceptions_throw_outofmemoryerror(void)
+{
+ exceptions_throw_class(class_java_lang_OutOfMemoryError);
}
-/* new_unsupportedclassversionerror ********************************************
+/* exceptions_throw_unsatisfiedlinkerror ***************************************
- generates a java.lang.UnsupportedClassVersionError for the classloader
+ Generates and throws a java.lang.UnsatisfiedLinkError for the
+ classloader.
+
+ IN:
+ name......UTF-8 name string
*******************************************************************************/
-java_objectheader *new_unsupportedclassversionerror(classinfo *c, const char *message, ...)
+void exceptions_throw_unsatisfiedlinkerror(utf *name)
+{
+#if defined(ENABLE_JAVASE)
+ exceptions_throw_utf_utf(utf_java_lang_UnsatisfiedLinkError, name);
+#else
+ exceptions_throw_class_utf(class_java_lang_Error, name);
+#endif
+}
+
+
+/* exceptions_throw_unsupportedclassversionerror *******************************
+
+ Generates and throws a java.lang.UnsupportedClassVersionError for
+ the classloader.
+
+ IN:
+ c............class in which the method was not found
+ message......UTF-8 format string
+
+*******************************************************************************/
+
+void exceptions_throw_unsupportedclassversionerror(classinfo *c, u4 ma, u4 mi)
{
java_objectheader *o;
- va_list ap;
char *msg;
s4 msglen;
- /* calculate exception message length */
-
- msglen = utf_strlen(c->name) + strlen(" (") + strlen(")") + strlen("0");
-
- va_start(ap, message);
- msglen += get_variable_message_length(message, ap);
- va_end(ap);
+ /* calculate exception message length */
+
+ msglen =
+ utf_bytes(c->name) +
+ strlen(" (Unsupported major.minor version 00.0)") +
+ strlen("0");
/* allocate memory */
/* generate message */
- utf_sprint_classname(msg, c->name);
- strcat(msg, " (");
-
- va_start(ap, message);
- vsprintf(msg + strlen(msg), message, ap);
- va_end(ap);
-
- strcat(msg, ")");
+ utf_copy_classname(msg, c->name);
+ sprintf(msg + strlen(msg), " (Unsupported major.minor version %d.%d)",
+ ma, mi);
/* create exception object */
- o = new_exception_message(string_java_lang_UnsupportedClassVersionError,
- msg);
+ o = new_exception_message(utf_java_lang_UnsupportedClassVersionError, msg);
/* free memory */
MFREE(msg, char, msglen);
- return o;
+ if (o == NULL)
+ return;
+
+ *exceptionptr = o;
}
-/* new_verifyerror *************************************************************
+/* exceptions_throw_verifyerror ************************************************
- generates a java.lang.VerifyError for the jit compiler
+ Generates and throws a java.lang.VerifyError for the JIT compiler.
+
+ IN:
+ m............method in which the error was found
+ message......UTF-8 format string
*******************************************************************************/
-java_objectheader *new_verifyerror(methodinfo *m, const char *message, ...)
+void exceptions_throw_verifyerror(methodinfo *m, const char *message, ...)
{
java_objectheader *o;
va_list ap;
char *msg;
s4 msglen;
- useinlining = false; /* at least until sure inlining works with exceptions*/
-
/* calculate exception message length */
msglen = 0;
- if (m)
- msglen = strlen("(class: ") + utf_strlen(m->class->name) +
- strlen(", method: ") + utf_strlen(m->name) +
- strlen(" signature: ") + utf_strlen(m->descriptor) +
+ if (m != NULL)
+ msglen =
+ strlen("(class: ") + utf_bytes(m->class->name) +
+ strlen(", method: ") + utf_bytes(m->name) +
+ strlen(" signature: ") + utf_bytes(m->descriptor) +
strlen(") ") + strlen("0");
va_start(ap, message);
/* generate message */
- if (m) {
+ if (m != NULL) {
strcpy(msg, "(class: ");
- utf_strcat(msg, m->class->name);
+ utf_cat_classname(msg, m->class->name);
strcat(msg, ", method: ");
- utf_strcat(msg, m->name);
+ utf_cat(msg, m->name);
strcat(msg, " signature: ");
- utf_strcat(msg, m->descriptor);
+ utf_cat(msg, m->descriptor);
strcat(msg, ") ");
}
/* create exception object */
- o = new_exception_message(string_java_lang_VerifyError, msg);
+ o = new_exception_message(utf_java_lang_VerifyError, msg);
/* free memory */
MFREE(msg, char, msglen);
- return o;
+ *exceptionptr = o;
}
throws a java.lang.VerifyError for an invalid stack slot type
+ IN:
+ m............method in which the error was found
+ type.........the expected type
+
+ RETURN VALUE:
+ an exception pointer (in any case -- either it is the newly created
+ exception, or an exception thrown while trying to create it).
+
*******************************************************************************/
void exceptions_throw_verifyerror_for_stack(methodinfo *m,int type)
msglen = 0;
if (m)
- msglen = strlen("(class: ") + utf_strlen(m->class->name) +
- strlen(", method: ") + utf_strlen(m->name) +
- strlen(" signature: ") + utf_strlen(m->descriptor) +
+ msglen = strlen("(class: ") + utf_bytes(m->class->name) +
+ strlen(", method: ") + utf_bytes(m->name) +
+ strlen(" signature: ") + utf_bytes(m->descriptor) +
strlen(") Expecting to find longest-------typename on stack")
+ strlen("0");
if (m) {
strcpy(msg, "(class: ");
- utf_strcat(msg, m->class->name);
+ utf_cat_classname(msg, m->class->name);
strcat(msg, ", method: ");
- utf_strcat(msg, m->name);
+ utf_cat(msg, m->name);
strcat(msg, " signature: ");
- utf_strcat(msg, m->descriptor);
+ utf_cat(msg, m->descriptor);
strcat(msg, ") ");
}
else {
case TYPE_FLT: typename = "float"; break;
case TYPE_DBL: typename = "double"; break;
case TYPE_ADR: typename = "object/array"; break;
- default: assert(0);
+ case TYPE_RET: typename = "returnAddress"; break;
+ default: typename = "<INVALID>"; assert(0); break;
}
strcat(msg, typename);
strcat(msg, " on stack");
/* create exception object */
- o = new_exception_message(string_java_lang_VerifyError, msg);
+ o = new_exception_message(utf_java_lang_VerifyError, msg);
/* free memory */
*exceptionptr = o;
}
-/* new_arithmeticexception *****************************************************
- Generates a java.lang.ArithmeticException for the jit compiler.
+/* exceptions_new_arithmeticexception ******************************************
+
+ Generates a java.lang.ArithmeticException for the JIT compiler.
*******************************************************************************/
-java_objectheader *new_arithmeticexception(void)
+java_objectheader *exceptions_new_arithmeticexception(void)
{
- java_objectheader *e;
+ java_objectheader *o;
- e = new_exception_message(string_java_lang_ArithmeticException,
- string_java_lang_ArithmeticException_message);
+ o = new_exception_message(utf_java_lang_ArithmeticException, "/ by zero");
- if (!e)
+ if (o == NULL)
return *exceptionptr;
- return e;
+ return o;
}
*******************************************************************************/
-java_objectheader *new_arrayindexoutofboundsexception(s4 index)
+java_objectheader *exceptions_new_arrayindexoutofboundsexception(s4 index)
{
- java_objectheader *e;
- methodinfo *m;
java_objectheader *o;
- java_lang_String *s;
+ methodinfo *m;
+ java_objectheader *s;
/* convert the index into a String, like Sun does */
class_java_lang_Object,
true);
- if (!m)
+ if (m == NULL)
return *exceptionptr;
- ASM_CALLJAVAFUNCTION_ADR(o, m, (void *) (ptrint) index, NULL, NULL, NULL);
-
- s = (java_lang_String *) o;
+ s = vm_call_method(m, NULL, index);
- if (!s)
+ if (s == NULL)
return *exceptionptr;
- e = new_exception_javastring(string_java_lang_ArrayIndexOutOfBoundsException,
- s);
+ o = exceptions_new_utf_javastring(utf_java_lang_ArrayIndexOutOfBoundsException,
+ s);
- if (!e)
+ if (o == NULL)
return *exceptionptr;
- return e;
+ return o;
}
/* exceptions_throw_arrayindexoutofboundsexception *****************************
- Generates a java.lang.ArrayIndexOutOfBoundsException for the VM
- system.
+ Generates and throws a java.lang.ArrayIndexOutOfBoundsException for
+ the VM.
*******************************************************************************/
void exceptions_throw_arrayindexoutofboundsexception(void)
{
- java_objectheader *e;
-
- e = new_exception(string_java_lang_ArrayIndexOutOfBoundsException);
-
- if (!e)
- return;
-
- *exceptionptr = e;
+ exceptions_throw_utf(utf_java_lang_ArrayIndexOutOfBoundsException);
}
-/* new_arraystoreexception *****************************************************
+/* exceptions_throw_arraystoreexception ****************************************
- generates a java.lang.ArrayStoreException for the jit compiler
+ Generates and throws a java.lang.ArrayStoreException for the VM.
*******************************************************************************/
-java_objectheader *new_arraystoreexception(void)
+void exceptions_throw_arraystoreexception(void)
{
- java_objectheader *e;
-
- e = new_exception(string_java_lang_ArrayStoreException);
+ exceptions_throw_utf(utf_java_lang_ArrayStoreException);
/* e = native_new_and_init(class_java_lang_ArrayStoreException); */
-
- if (!e)
- return *exceptionptr;
-
- return e;
}
-/* new_classcastexception ******************************************************
+/* exceptions_new_classcastexception *******************************************
- generates a java.lang.ClassCastException for the jit compiler
+ Generates a java.lang.ClassCastException for the JIT compiler.
*******************************************************************************/
-java_objectheader *new_classcastexception(void)
+java_objectheader *exceptions_new_classcastexception(java_objectheader *o)
{
java_objectheader *e;
+ utf *classname;
+ java_lang_String *s;
+
+ classname = o->vftbl->class->name;
+
+ s = javastring_new(classname);
- e = new_exception(string_java_lang_ClassCastException);
+ e = native_new_and_init_string(class_java_lang_ClassCastException, s);
- if (!e)
+ if (e == NULL)
return *exceptionptr;
return e;
}
-/* exceptions_new_illegalargumentexception *************************************
+/* exceptions_throw_clonenotsupportedexception *********************************
- Generates a java.lang.IllegalArgumentException for the VM system.
+ Generates and throws a java.lang.CloneNotSupportedException for the
+ VM.
*******************************************************************************/
-java_objectheader *new_illegalargumentexception(void)
+void exceptions_throw_clonenotsupportedexception(void)
{
- java_objectheader *e;
+ exceptions_throw_utf(utf_java_lang_CloneNotSupportedException);
+}
- e = native_new_and_init(class_java_lang_IllegalArgumentException);
- if (!e)
- return *exceptionptr;
+/* exceptions_throw_illegalaccessexception *************************************
- return e;
+ Generates and throws a java.lang.IllegalAccessException for the VM.
+
+*******************************************************************************/
+
+void exceptions_throw_illegalaccessexception(classinfo *c)
+{
+ /* XXX handle argument */
+
+ exceptions_throw_utf(utf_java_lang_IllegalAccessException);
}
/* exceptions_throw_illegalargumentexception ***********************************
- Generates a java.lang.IllegalArgumentException for the VM system
- and throw it in the VM system.
+ Generates and throws a java.lang.IllegalArgumentException for the
+ VM.
*******************************************************************************/
void exceptions_throw_illegalargumentexception(void)
{
- *exceptionptr = new_illegalargumentexception();
+ exceptions_throw_utf(utf_java_lang_IllegalArgumentException);
}
-/* new_illegalmonitorstateexception ********************************************
+/* exceptions_throw_illegalmonitorstateexception *******************************
- Generates a java.lang.IllegalMonitorStateException for the VM
- thread system.
+ Generates and throws a java.lang.IllegalMonitorStateException for
+ the VM.
*******************************************************************************/
-java_objectheader *new_illegalmonitorstateexception(void)
+void exceptions_throw_illegalmonitorstateexception(void)
{
- java_objectheader *e;
+ exceptions_throw_utf(utf_java_lang_IllegalMonitorStateException);
+}
- e = native_new_and_init(class_java_lang_IllegalMonitorStateException);
- if (!e)
- return *exceptionptr;
+/* exceptions_throw_instantiationexception *************************************
- return e;
+ Generates and throws a java.lang.InstantiationException for the VM.
+
+*******************************************************************************/
+
+void exceptions_throw_instantiationexception(classinfo *c)
+{
+ exceptions_throw_utf_utf(utf_java_lang_InstantiationException, c->name);
}
-/* exceptions_new_negativearraysizeexception ***********************************
+/* exceptions_throw_interruptedexception ***************************************
- Generates a java.lang.NegativeArraySizeException for the VM system.
+ Generates and throws a java.lang.InterruptedException for the VM.
*******************************************************************************/
-java_objectheader *new_negativearraysizeexception(void)
+void exceptions_throw_interruptedexception(void)
{
- java_objectheader *e;
+ exceptions_throw_utf(utf_java_lang_InterruptedException);
+}
- e = new_exception(string_java_lang_NegativeArraySizeException);
- if (!e)
- return *exceptionptr;
+/* exceptions_throw_invocationtargetexception **********************************
- return e;
+ Generates and throws a java.lang.reflect.InvocationTargetException
+ for the VM.
+
+ IN:
+ cause......cause exception object
+
+*******************************************************************************/
+
+void exceptions_throw_invocationtargetexception(java_objectheader *cause)
+{
+ exceptions_throw_utf_throwable(utf_java_lang_reflect_InvocationTargetException,
+ cause);
}
/* exceptions_throw_negativearraysizeexception *********************************
- Generates a java.lang.NegativeArraySizeException for the VM system.
+ Generates and throws a java.lang.NegativeArraySizeException for the
+ VM.
*******************************************************************************/
void exceptions_throw_negativearraysizeexception(void)
{
- *exceptionptr = new_negativearraysizeexception();
+ exceptions_throw_utf(utf_java_lang_NegativeArraySizeException);
}
-/* new_nullpointerexception ****************************************************
+/* exceptions_new_nullpointerexception *****************************************
- generates a java.lang.NullPointerException for the jit compiler
+ Generates a java.lang.NullPointerException for the VM system.
*******************************************************************************/
-java_objectheader *new_nullpointerexception(void)
+java_objectheader *exceptions_new_nullpointerexception(void)
{
- java_objectheader *e;
-
- e = native_new_and_init(class_java_lang_NullPointerException);
+ java_objectheader *o;
- if (!e)
- return *exceptionptr;
+ o = exceptions_new_class(class_java_lang_NullPointerException);
- return e;
+ return o;
}
void exceptions_throw_nullpointerexception(void)
{
- *exceptionptr = new_nullpointerexception();
+ exceptions_throw_class(class_java_lang_NullPointerException);
+}
+
+
+/* exceptions_throw_stringindexoutofboundsexception ****************************
+
+ Generates and throws a java.lang.StringIndexOutOfBoundsException
+ for the VM.
+
+*******************************************************************************/
+
+void exceptions_throw_stringindexoutofboundsexception(void)
+{
+ exceptions_throw_utf(utf_java_lang_StringIndexOutOfBoundsException);
+}
+
+
+/* exceptions_get_exception ****************************************************
+
+ Returns the current exception pointer of the current thread.
+
+*******************************************************************************/
+
+java_objectheader *exceptions_get_exception(void)
+{
+ /* return the exception */
+
+ return *exceptionptr;
+}
+
+
+/* exceptions_set_exception ****************************************************
+
+ Sets the exception pointer of the current thread.
+
+*******************************************************************************/
+
+void exceptions_set_exception(java_objectheader *o)
+{
+ /* set the exception */
+
+ *exceptionptr = o;
+}
+
+
+/* exceptions_clear_exception **************************************************
+
+ Clears the current exception pointer of the current thread.
+
+*******************************************************************************/
+
+void exceptions_clear_exception(void)
+{
+ /* and clear the exception */
+
+ *exceptionptr = NULL;
+}
+
+
+/* exceptions_fillinstacktrace *************************************************
+
+ Calls the fillInStackTrace-method of the currently thrown
+ exception.
+
+*******************************************************************************/
+
+java_objectheader *exceptions_fillinstacktrace(void)
+{
+ java_objectheader *e;
+ methodinfo *m;
+
+ /* get exception */
+
+ e = *exceptionptr;
+ assert(e);
+
+ /* clear exception */
+
+ *exceptionptr = NULL;
+
+ /* resolve methodinfo pointer from exception object */
+
+ m = class_resolvemethod(e->vftbl->class,
+ utf_fillInStackTrace,
+ utf_void__java_lang_Throwable);
+
+ /* call function */
+
+ (void) vm_call_method(m, e);
+
+ /* return exception object */
+
+ return e;
+}
+
+
+/* exceptions_get_and_clear_exception ******************************************
+
+ Gets the exception pointer of the current thread and clears it.
+ This function may return NULL.
+
+*******************************************************************************/
+
+java_objectheader *exceptions_get_and_clear_exception(void)
+{
+ java_objectheader **p;
+ java_objectheader *e;
+
+ /* get the pointer of the exception pointer */
+
+ p = exceptionptr;
+
+ /* get the exception */
+
+ e = *p;
+
+ /* and clear the exception */
+
+ *p = NULL;
+
+ /* return the exception */
+
+ return e;
+}
+
+
+/* exceptions_new_hardware_exception *******************************************
+
+ Creates the correct exception for a hardware-exception thrown and
+ caught by a signal handler.
+
+*******************************************************************************/
+
+java_objectheader *exceptions_new_hardware_exception(u1 *pv, u1 *sp, u1 *ra, u1 *xpc, s4 type, ptrint val)
+{
+ stackframeinfo sfi;
+ java_objectheader *e;
+ java_objectheader *o;
+ s4 index;
+
+ /* create stackframeinfo */
+
+ stacktrace_create_extern_stackframeinfo(&sfi, pv, sp, ra, xpc);
+
+ switch (type) {
+ case EXCEPTION_HARDWARE_NULLPOINTER:
+ e = exceptions_new_nullpointerexception();
+ break;
+
+ case EXCEPTION_HARDWARE_ARITHMETIC:
+ e = exceptions_new_arithmeticexception();
+ break;
+
+ case EXCEPTION_HARDWARE_ARRAYINDEXOUTOFBOUNDS:
+ index = (s4) val;
+ e = exceptions_new_arrayindexoutofboundsexception(index);
+ break;
+
+ case EXCEPTION_HARDWARE_CLASSCAST:
+ o = (java_objectheader *) val;
+ e = exceptions_new_classcastexception(o);
+ break;
+
+ case EXCEPTION_HARDWARE_EXCEPTION:
+ e = exceptions_fillinstacktrace();
+ break;
+
+ default:
+ /* let's try to get a backtrace */
+
+ codegen_get_pv_from_pc(xpc);
+
+ /* if that does not work, print more debug info */
+
+ log_println("exceptions_new_hardware_exception: unknown exception type %d", type);
+
+#if SIZEOF_VOID_P == 8
+ log_println("PC=0x%016lx", xpc);
+#else
+ log_println("PC=0x%08x", xpc);
+#endif
+
+#if defined(ENABLE_DISASSEMBLER)
+ log_println("machine instruction at PC:");
+ disassinstr(xpc);
+#endif
+
+ vm_abort("Exiting...");
+ }
+
+ /* remove stackframeinfo */
+
+ stacktrace_remove_stackframeinfo(&sfi);
+
+ /* return the exception object */
+
+ return e;
}
/* exceptions_handle_exception *************************************************
- XXX
+ Try to find an exception handler for the given exception and return it.
+ If no handler is found, exit the monitor of the method (if any)
+ and return NULL.
+
+ IN:
+ xptr.........the exception object
+ xpc..........PC of where the exception was thrown
+ pv...........Procedure Value of the current method
+ sp...........current stack pointer
+
+ RETURN VALUE:
+ the address of the first matching exception handler, or
+ NULL if no handler was found
*******************************************************************************/
+#if defined(ENABLE_JIT)
u1 *exceptions_handle_exception(java_objectheader *xptr, u1 *xpc, u1 *pv, u1 *sp)
{
methodinfo *m;
- s4 framesize;
+ codeinfo *code;
s4 issync;
- exceptionentry *ex;
+ dseg_exception_entry *ex;
s4 exceptiontablelength;
s4 i;
classref_or_classinfo cr;
classinfo *c;
-#if defined(USE_THREADS)
+#if defined(ENABLE_THREADS)
java_objectheader *o;
#endif
- /* get methodinfo pointer from method header */
+#ifdef __S390__
+ /* Addresses are 31 bit integers */
+# define ADDR_MASK(x) (u1 *)((u4)(x) & 0x7FFFFFFF)
+#else
+# define ADDR_MASK(x) (x)
+#endif
+
+ xpc = ADDR_MASK(xpc);
+
+ /* get info from the method header */
- m = *((methodinfo **) (pv + MethodPointer));
- framesize = *((s4 *) (pv + FrameSize));
- issync = *((s4 *) (pv + IsSync));
- ex = (exceptionentry *) (pv + ExTableStart);
- exceptiontablelength = *((s4 *) (pv + ExTableSize));
+ code = *((codeinfo **) (pv + CodeinfoPointer));
+ issync = *((s4 *) (pv + IsSync));
+ ex = (dseg_exception_entry *) (pv + ExTableStart);
+ exceptiontablelength = *((s4 *) (pv + ExTableSize));
+ /* Get the methodinfo pointer from the codeinfo pointer. For
+ asm_vm_call_method the codeinfo pointer is NULL. */
+
+ m = (code == NULL) ? NULL : code->m;
+
+#if !defined(NDEBUG)
/* print exception trace */
if (opt_verbose || opt_verbosecall || opt_verboseexception)
builtin_trace_exception(xptr, m, xpc, 1);
+#endif
for (i = 0; i < exceptiontablelength; i++) {
/* ATTENTION: keep this here, as we need to decrement the
ex--;
+ /* If the start and end PC is NULL, this means we have the
+ special case of asm_vm_call_method. So, just return the
+ proper exception handler. */
+
+ if ((ex->startpc == NULL) && (ex->endpc == NULL))
+ return (u1 *) (ptrint) &asm_vm_call_method_exception_handler;
+
/* is the xpc is the current catch range */
- if ((ex->startpc <= xpc) && (xpc < ex->endpc)) {
+ if ((ADDR_MASK(ex->startpc) <= xpc) && (xpc < ADDR_MASK(ex->endpc))) {
cr = ex->catchtype;
/* NULL catches everything */
/* resolve or load/link the exception class */
if (IS_CLASSREF(cr)) {
+ /* The exception class reference is unresolved. */
+ /* We have to do _eager_ resolving here. While the class of */
+ /* the exception object is guaranteed to be loaded, it may */
+ /* well have been loaded by a different loader than the */
+ /* defining loader of m's class, which is the one we must */
+ /* use to resolve the catch class. Thus lazy resolving */
+ /* might fail, even if the result of the resolution would */
+ /* be an already loaded class. */
+
c = resolve_classref_eager(cr.ref);
+ if (c == NULL) {
+ /* Exception resolving the exception class, argh! */
+ return NULL;
+ }
+
+ /* Ok, we resolved it. Enter it in the table, so we don't */
+ /* have to do this again. */
+ /* XXX this write should be atomic. Is it? */
+
+ ex->catchtype.cls = c;
} else {
c = cr.cls;
+ /* XXX I don't think this case can ever happen. -Edwin */
if (!(c->state & CLASS_LOADED))
/* use the methods' classloader */
if (!load_class_from_classloader(c->name,
m->class->classloader))
return NULL;
+ /* XXX I think, if it is not linked, we can be sure that */
+ /* the exception object is no (indirect) instance of it, no? */
+ /* -Edwin */
if (!(c->state & CLASS_LINKED))
if (!link_class(c))
return NULL;
}
}
-#if defined(USE_THREADS)
+#if defined(ENABLE_THREADS)
/* is this method synchronized? */
if (issync) {
assert(o != NULL);
- builtin_monitorexit(o);
+ lock_monitor_exit(o);
}
#endif
return NULL;
}
+#endif /* defined(ENABLE_JIT) */
/* exceptions_print_exception **************************************************
*******************************************************************************/
-#if !defined(NDEBUG)
void exceptions_print_exception(java_objectheader *xptr)
{
java_lang_Throwable *t;
+#if defined(ENABLE_JAVASE)
java_lang_Throwable *cause;
+#endif
utf *u;
t = (java_lang_Throwable *) xptr;
return;
}
+#if defined(ENABLE_JAVASE)
cause = t->cause;
+#endif
/* print the root exception */
- utf_display_classname(t->header.vftbl->class->name);
+ utf_display_printable_ascii_classname(t->header.vftbl->class->name);
- if (t->detailMessage) {
+ if (t->detailMessage != NULL) {
u = javastring_toutf(t->detailMessage, false);
printf(": ");
- utf_display(u);
+ utf_display_printable_ascii(u);
}
putc('\n', stdout);
+#if defined(ENABLE_JAVASE)
/* print the cause if available */
- if (cause && (cause != t)) {
+ if ((cause != NULL) && (cause != t)) {
printf("Caused by: ");
- utf_display_classname(cause->header.vftbl->class->name);
+ utf_display_printable_ascii_classname(cause->header.vftbl->class->name);
if (cause->detailMessage) {
u = javastring_toutf(cause->detailMessage, false);
printf(": ");
- utf_display(u);
+ utf_display_printable_ascii(u);
}
putc('\n', stdout);
}
+#endif
+}
+
+
+/* exceptions_print_current_exception ******************************************
+
+ Prints the current pending exception, the detail message and the
+ cause, if available, with CACAO internal functions to stdout.
+
+*******************************************************************************/
+
+void exceptions_print_current_exception(void)
+{
+ java_objectheader *xptr;
+
+ xptr = *exceptionptr;
+
+ exceptions_print_exception(xptr);
+}
+
+
+/* exceptions_print_stacktrace *************************************************
+
+ Prints a pending exception with Throwable.printStackTrace(). If
+ there happens an exception during printStackTrace(), we print the
+ thrown exception and the original one.
+
+ NOTE: This function calls Java code.
+
+*******************************************************************************/
+
+void exceptions_print_stacktrace(void)
+{
+ java_objectheader *oxptr;
+ java_objectheader *xptr;
+ classinfo *c;
+ methodinfo *m;
+
+ /* get original exception */
+
+ oxptr = *exceptionptr;
+
+ if (oxptr == NULL)
+ vm_abort("exceptions_print_stacktrace: no exception thrown");
+
+ /* clear exception, because we are calling jit code again */
+
+ *exceptionptr = NULL;
+
+ c = oxptr->vftbl->class;
+
+ /* find the printStackTrace() method */
+
+ m = class_resolveclassmethod(c,
+ utf_printStackTrace,
+ utf_void__void,
+ class_java_lang_Object,
+ false);
+
+ if (m == NULL)
+ vm_abort("exceptions_print_stacktrace: printStackTrace()V not found");
+
+ /* print compatibility message */
+
+ fprintf(stderr, "Exception in thread \"main\" ");
+
+ /* print the stacktrace */
+
+ (void) vm_call_method(m, oxptr);
+
+ /* This normally means, we are EXTREMLY out of memory or
+ have a serious problem while printStackTrace. But may
+ be another exception, so print it. */
+
+ xptr = *exceptionptr;
+
+ if (xptr != NULL) {
+ fprintf(stderr, "Exception while printStackTrace(): ");
+
+ /* now print original exception */
+
+ exceptions_print_exception(xptr);
+ stacktrace_print_trace(xptr);
+
+ /* now print original exception */
+
+ fprintf(stderr, "Original exception was: ");
+ exceptions_print_exception(oxptr);
+ stacktrace_print_trace(oxptr);
+ }
+
+ fflush(stderr);
}
-#endif /* !defined(NDEBUG) */
/*
projects / cacao.git / blobdiff