/* 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 8178 2007-07-05 11:13:20Z michi $
*/
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
+#include <unistd.h>
+#include <sys/mman.h>
#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"
+
+#include "threads/lock-common.h"
+#include "threads/threads-common.h"
+
#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/patcher-common.h"
+#include "vm/jit/stacktrace.h"
+
+#include "vmcore/class.h"
+#include "vmcore/loader.h"
+#include "vmcore/method.h"
+#include "vmcore/options.h"
+
+#if defined(ENABLE_VMLOG)
+#include <vmlog_cacao.h>
+#endif
/* for raising exceptions from native methods *********************************/
-#if !defined(USE_THREADS) || !defined(NATIVE_THREADS)
+#if !defined(ENABLE_THREADS)
java_objectheader *_no_threads_exceptionptr = NULL;
#endif
bool exceptions_init(void)
{
+#if !(defined(__ARM__) && defined(__LINUX__))
+ /* On arm-linux the first memory page can't be mmap'ed, as it
+ contains the exception vectors. */
+
+ int pagesize;
+
+ /* mmap a memory page at address 0x0, so our hardware-exceptions
+ work. */
+
+ pagesize = getpagesize();
+
+ (void) memory_mmap_anon(NULL, pagesize, PROT_NONE, MAP_PRIVATE | MAP_FIXED);
+#endif
+
+ /* check if we get into trouble with our hardware-exceptions */
+
+ if (OFFSET(java_bytearray, data) <= EXCEPTION_HARDWARE_LARGEST)
+ vm_abort("signal_init: array-data offset is less or equal the maximum hardware-exception displacement: %d <= %d", OFFSET(java_bytearray, data), EXCEPTION_HARDWARE_LARGEST);
+
/* java/lang/Throwable */
if (!(class_java_lang_Throwable =
!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)
+/* exceptions_get_exception ****************************************************
+
+ Returns the current exception pointer of the current thread.
+
+*******************************************************************************/
+
+java_objectheader *exceptions_get_exception(void)
{
- java_objectheader *xptr;
- classinfo *c;
- methodinfo *pss;
+ /* return the exception */
- xptr = *exceptionptr;
+ return *exceptionptr;
+}
- if (xptr) {
- /* clear exception, because we are calling jit code again */
- *exceptionptr = NULL;
- c = xptr->vftbl->class;
+/* exceptions_set_exception ****************************************************
- pss = class_resolveclassmethod(c,
- utf_printStackTrace,
- utf_void__void,
- class_java_lang_Object,
- false);
+ Sets the exception pointer of the current thread.
- /* print the stacktrace */
+*******************************************************************************/
- if (pss) {
- ASM_CALLJAVAFUNCTION(pss, xptr, NULL, NULL, NULL);
+void exceptions_set_exception(java_objectheader *o)
+{
+ /* set the exception */
- /* This normally means, we are EXTREMLY out of memory or have a */
- /* serious problem while printStackTrace. But may be another */
- /* exception, so print it. */
+ *exceptionptr = o;
+}
- if (*exceptionptr) {
- java_lang_Throwable *t;
- t = (java_lang_Throwable *) *exceptionptr;
+/* exceptions_clear_exception **************************************************
- fprintf(stderr, "Exception while printStackTrace(): ");
- utf_fprint_classname(stderr, t->header.vftbl->class->name);
+ Clears the current exception pointer of the current thread.
- if (t->detailMessage) {
- char *buf;
+*******************************************************************************/
- buf = javastring_tochar((java_objectheader *) t->detailMessage);
- fprintf(stderr, ": %s", buf);
- MFREE(buf, char, strlen(buf));
- }
-
- fprintf(stderr, "\n");
- }
+void exceptions_clear_exception(void)
+{
+ exceptions_set_exception(NULL);
+}
- } else {
- utf_fprint_classname(stderr, c->name);
- fprintf(stderr, ": printStackTrace()V not found!\n");
- }
- fflush(stderr);
+/* exceptions_get_and_clear_exception ******************************************
- /* good bye! */
+ Gets the exception pointer of the current thread and clears it.
+ This function may return NULL.
- if (doexit)
- exit(1);
- }
+*******************************************************************************/
+
+java_objectheader *exceptions_get_and_clear_exception(void)
+{
+ java_objectheader *o;
+
+ /* get the exception */
+
+ o = exceptions_get_exception();
+
+ /* and clear the exception */
+
+ exceptions_clear_exception();
+
+ /* return the exception */
+
+ return o;
}
-void throw_exception(void)
+/* exceptions_new_class ********************************************************
+
+ Creates an exception object from the given class and initalizes it.
+
+ IN:
+ class....class pointer
+
+*******************************************************************************/
+
+static java_objectheader *exceptions_new_class(classinfo *c)
{
- throw_exception_exit_intern(false);
+ java_objectheader *o;
+
+ o = native_new_and_init(c);
+
+ if (o == NULL)
+ return exceptions_get_exception();
+
+ return o;
}
-void throw_exception_exit(void)
+/* exceptions_new_utf **********************************************************
+
+ Creates an exception object with the given name and initalizes it.
+
+ IN:
+ classname....class name in UTF-8
+
+*******************************************************************************/
+
+static java_objectheader *exceptions_new_utf(utf *classname)
{
- throw_exception_exit_intern(true);
+ classinfo *c;
+ java_objectheader *o;
+
+ c = load_class_bootstrap(classname);
+
+ if (c == NULL)
+ return exceptions_get_exception();
+
+ o = exceptions_new_class(c);
+
+ return o;
}
-void throw_main_exception(void)
+/* exceptions_throw_class ******************************************************
+
+ Creates an exception object from the given class, initalizes and
+ throws it.
+
+ IN:
+ class....class pointer
+
+*******************************************************************************/
+
+static void exceptions_throw_class(classinfo *c)
{
- fprintf(stderr, "Exception in thread \"main\" ");
- fflush(stderr);
+ java_objectheader *o;
- throw_exception_exit_intern(false);
+ o = exceptions_new_class(c);
+
+ if (o == NULL)
+ return;
+
+ exceptions_set_exception(o);
}
-void throw_main_exception_exit(void)
+/* exceptions_throw_utf ********************************************************
+
+ Creates an exception object with the given name, initalizes and
+ throws it.
+
+ IN:
+ classname....class name in UTF-8
+
+*******************************************************************************/
+
+static void exceptions_throw_utf(utf *classname)
{
- fprintf(stderr, "Exception in thread \"main\" ");
- fflush(stderr);
+ classinfo *c;
+
+ c = load_class_bootstrap(classname);
- throw_exception_exit_intern(true);
+ if (c == NULL)
+ return;
+
+ exceptions_throw_class(c);
}
-void throw_cacao_exception_exit(const char *exception, const char *message, ...)
-{
- s4 i;
- char *tmp;
- s4 len;
- va_list ap;
+/* exceptions_throw_utf_throwable **********************************************
+
+ Creates an exception object with the given name and initalizes it
+ with the given java/lang/Throwable exception.
+
+ IN:
+ classname....class name in UTF-8
+ cause........the given Throwable
- len = strlen(exception);
- tmp = MNEW(char, len + 1);
- strncpy(tmp, exception, len);
- tmp[len] = '\0';
+*******************************************************************************/
- /* convert to classname */
+static void exceptions_throw_utf_throwable(utf *classname,
+ java_objectheader *cause)
+{
+ classinfo *c;
+ java_objectheader *o;
+ methodinfo *m;
+ java_lang_Throwable *object;
- for (i = len - 1; i >= 0; i--)
- if (tmp[i] == '/') tmp[i] = '.';
+ object = (java_lang_Throwable *) cause;
- fprintf(stderr, "Exception in thread \"main\" %s", tmp);
+ c = load_class_bootstrap(classname);
- MFREE(tmp, char, len);
+ if (c == NULL)
+ return;
- if (strlen(message) > 0) {
- fprintf(stderr, ": ");
+ /* create object */
- va_start(ap, message);
- vfprintf(stderr, message, ap);
- va_end(ap);
- }
+ o = builtin_new(c);
+
+ if (o == NULL)
+ return;
- fprintf(stderr, "\n");
- fflush(stderr);
+ /* call initializer */
- /* good bye! */
+ m = class_resolveclassmethod(c,
+ utf_init,
+ utf_java_lang_Throwable__void,
+ NULL,
+ true);
+
+ if (m == NULL)
+ return;
+
+ (void) vm_call_method(m, o, cause);
- exit(1);
+ exceptions_set_exception(o);
}
-/* exceptions_throw_outofmemory_exit *******************************************
+/* exceptions_throw_utf_exception **********************************************
+
+ Creates an exception object with the given name and initalizes it
+ with the given java/lang/Exception exception.
- Just print an: java.lang.InternalError: Out of memory
+ IN:
+ classname....class name in UTF-8
+ exception....the given Exception
*******************************************************************************/
-void exceptions_throw_outofmemory_exit(void)
+static void exceptions_throw_utf_exception(utf *classname,
+ java_objectheader *exception)
{
- throw_cacao_exception_exit(string_java_lang_InternalError,
- "Out of memory");
+ classinfo *c;
+ java_objectheader *o;
+ methodinfo *m;
+
+ c = load_class_bootstrap(classname);
+
+ if (c == NULL)
+ return;
+
+ /* create object */
+
+ o = builtin_new(c);
+
+ if (o == NULL)
+ return;
+
+ /* call initializer */
+
+ m = class_resolveclassmethod(c,
+ utf_init,
+ utf_java_lang_Exception__V,
+ NULL,
+ true);
+
+ if (m == NULL)
+ return;
+
+ (void) vm_call_method(m, o, exception);
+
+ exceptions_set_exception(o);
}
-/* new_exception ***************************************************************
+/* exceptions_throw_utf_cause **************************************************
- Creates an exception object with the given name and initalizes it.
+ Creates an exception object with the given name and initalizes it
+ with the given java/lang/Throwable exception with initCause.
+
+ IN:
+ classname....class name in UTF-8
+ cause........the given Throwable
*******************************************************************************/
-java_objectheader *new_exception(const char *classname)
+static void exceptions_throw_utf_cause(utf *classname, java_objectheader *cause)
{
- java_objectheader *o;
- classinfo *c;
+ classinfo *c;
+ java_objectheader *o;
+ methodinfo *m;
+ java_lang_Throwable *object;
- if (!(c = load_class_bootstrap(utf_new_char(classname))))
- return *exceptionptr;
+ object = (java_lang_Throwable *) cause;
- o = native_new_and_init(c);
+ c = load_class_bootstrap(classname);
- if (!o)
- return *exceptionptr;
+ if (c == NULL)
+ return;
- return o;
+ /* create object */
+
+ o = builtin_new(c);
+
+ if (o == NULL)
+ return;
+
+ /* call initializer */
+
+ m = class_resolveclassmethod(c,
+ utf_init,
+ utf_java_lang_String__void,
+ NULL,
+ true);
+
+ if (m == NULL)
+ return;
+
+ (void) vm_call_method(m, o, object->detailMessage);
+
+ /* call initCause */
+
+ m = class_resolveclassmethod(c,
+ utf_initCause,
+ utf_java_lang_Throwable__java_lang_Throwable,
+ NULL,
+ true);
+
+ if (m == NULL)
+ return;
+
+ (void) vm_call_method(m, o, cause);
+
+ exceptions_set_exception(o);
}
-/* new_exception_message *******************************************************
+/* exceptions_new_utf_javastring ***********************************************
Creates an exception object with the given name and initalizes it
- with the given char message.
+ with the given java/lang/String message.
+
+ IN:
+ classname....class name in UTF-8
+ message......the message as a java.lang.String
+
+ 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_message(const char *classname,
- const char *message)
+static java_objectheader *exceptions_new_utf_javastring(utf *classname,
+ java_objectheader *message)
{
java_objectheader *o;
classinfo *c;
- if (!(c = load_class_bootstrap(utf_new_char(classname))))
- return *exceptionptr;
+ c = load_class_bootstrap(classname);
+
+ if (c == NULL)
+ return exceptions_get_exception();
- o = native_new_and_init_string(c, javastring_new_char(message));
+ o = native_new_and_init_string(c, message);
- if (!o)
- return *exceptionptr;
+ if (o == NULL)
+ return exceptions_get_exception();
return o;
}
-/* new_exception_throwable *****************************************************
+/* exceptions_new_class_utf ****************************************************
- Creates an exception object with the given name and initalizes it
- with the given java/lang/Throwable exception.
+ 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_throwable(const char *classname,
- java_lang_Throwable *throwable)
+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))))
- return *exceptionptr;
+ java_objectheader *s;
+
+ s = javastring_new(message);
- o = native_new_and_init_throwable(c, throwable);
+ if (s == NULL)
+ return exceptions_get_exception();
- if (!o)
- return *exceptionptr;
+ o = native_new_and_init_string(c, s);
+
+ if (o == NULL)
+ return exceptions_get_exception();
return o;
}
-/* new_exception_utfmessage ****************************************************
+/* exceptions_new_utf_utf ******************************************************
Creates an exception object with the given name and initalizes it
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_utfmessage(const char *classname, utf *message)
+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_string(c, javastring_new(message));
+ c = load_class_bootstrap(classname);
- if (!o)
- return *exceptionptr;
+ if (c == NULL)
+ return exceptions_get_exception();
+
+ o = exceptions_new_class_utf(c, message);
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;
- o = native_new_and_init_string(c, message);
+ o = exceptions_new_class_utf(c, message);
- if (!o)
- return *exceptionptr;
+ exceptions_set_exception(o);
+}
- return o;
+
+/* exceptions_throw_utf_utf ****************************************************
+
+ 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)
+{
+ java_objectheader *o;
+
+ o = exceptions_new_utf_utf(classname, message);
+
+ exceptions_set_exception(o);
}
-/* new_exception_int ***********************************************************
+/* exceptions_new_abstractmethoderror ****************************************
- Creates an exception object with the given name and initalizes it
- with the given int value.
+ Generates a java.lang.AbstractMethodError for the VM.
*******************************************************************************/
-java_objectheader *new_exception_int(const char *classname, s4 i)
+java_objectheader *exceptions_new_abstractmethoderror(void)
{
java_objectheader *o;
- classinfo *c;
-
- if (!(c = load_class_bootstrap(utf_new_char(classname))))
- return *exceptionptr;
- o = native_new_and_init_int(c, i);
+ o = exceptions_new_utf(utf_java_lang_AbstractMethodError);
+
+ return o;
+}
+
- if (!o)
- return *exceptionptr;
+/* 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;
+}
-/* new_classformaterror ********************************************************
+/* exceptions_new_arraystoreexception ******************************************
- generates a java.lang.ClassFormatError for the classloader
+ Generates a java.lang.ArrayStoreException for the VM.
*******************************************************************************/
-java_objectheader *new_classformaterror(classinfo *c, const char *message, ...)
+java_objectheader *exceptions_new_arraystoreexception(void)
{
java_objectheader *o;
- char *msg;
- s4 msglen;
- va_list ap;
+
+ 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)
+{
+ exceptions_throw_utf_utf(utf_java_lang_ClassCircularityError, c->name);
+}
+
+
+/* exceptions_throw_classformaterror *******************************************
+
+ Generates and throws a java.lang.ClassFormatError for the VM.
+
+ IN:
+ c............the class in which the error was found
+ message......UTF-8 format string
+
+*******************************************************************************/
+
+void exceptions_throw_classformaterror(classinfo *c, const char *message, ...)
+{
+ char *msg;
+ s4 msglen;
+ va_list ap;
+ utf *u;
/* calculate message length */
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);
+ u = utf_new_char(msg);
+
+ /* free memory */
MFREE(msg, char, msglen);
- return o;
+ /* throw exception */
+
+ exceptions_throw_utf_utf(utf_java_lang_ClassFormatError, u);
}
-/* 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 and throws a java.lang.NoClassDefFoundError.
- Generates a java.lang.ClassNotFoundException for the classloader.
+ 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_cause *********************************
+
+ Generates and throws a java.lang.NoClassDefFoundError with the
+ given cause.
+
+*******************************************************************************/
+
+void exceptions_throw_noclassdeffounderror_cause(java_objectheader *cause)
+{
+ exceptions_throw_utf_cause(utf_java_lang_NoClassDefFoundError, cause);
}
-/* new_noclassdeffounderror ****************************************************
+/* exceptions_throw_noclassdeffounderror_wrong_name ****************************
+
+ Generates and throws a java.lang.NoClassDefFoundError with a
+ specific message:
- 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);
}
-/* classnotfoundexception_to_noclassdeffounderror ******************************
+/* exceptions_throw_exceptionininitializererror ********************************
- Check the *exceptionptr for a ClassNotFoundException. If it is one,
- convert it to a NoClassDefFoundError.
+ Generates and throws a java.lang.ExceptionInInitializerError for
+ the VM.
+
+ IN:
+ cause......cause exception object
*******************************************************************************/
-void classnotfoundexception_to_noclassdeffounderror(void)
+void exceptions_throw_exceptionininitializererror(java_objectheader *cause)
{
- java_objectheader *xptr;
- java_objectheader *cause;
+ exceptions_throw_utf_throwable(utf_java_lang_ExceptionInInitializerError,
+ cause);
+}
- /* get the cause */
- cause = *exceptionptr;
+/* exceptions_throw_incompatibleclasschangeerror *******************************
- /* convert ClassNotFoundException's to NoClassDefFoundError's */
+ Generates and throws a java.lang.IncompatibleClassChangeError for
+ the VM.
- if (builtin_instanceof(cause, class_java_lang_ClassNotFoundException)) {
- /* clear exception, because we are calling jit code again */
+ IN:
+ message......UTF-8 message format string
- *exceptionptr = NULL;
+*******************************************************************************/
- /* create new error */
+void exceptions_throw_incompatibleclasschangeerror(classinfo *c, const char *message)
+{
+ char *msg;
+ s4 msglen;
+ utf *u;
- xptr =
- new_exception_javastring(string_java_lang_NoClassDefFoundError,
- ((java_lang_Throwable *) cause)->detailMessage);
+ /* calculate exception message length */
- /* we had an exception while creating the error */
+ msglen = utf_bytes(c->name) + strlen(message) + strlen("0");
- if (*exceptionptr)
- return;
+ /* allocate memory */
- /* set new exception */
+ msg = MNEW(char, msglen);
- *exceptionptr = xptr;
- }
+ utf_copy_classname(msg, c->name);
+ strcat(msg, message);
+
+ u = utf_new_char(msg);
+
+ /* free memory */
+
+ MFREE(msg, char, msglen);
+
+ /* throw exception */
+
+ exceptions_throw_utf_utf(utf_java_lang_IncompatibleClassChangeError, u);
}
-/* new_internalerror ***********************************************************
+/* exceptions_throw_instantiationerror *****************************************
- Generates a java.lang.InternalError for the VM.
+ Generates and throws a java.lang.InstantiationError for the VM.
*******************************************************************************/
-java_objectheader *new_internalerror(const char *message, ...)
+void exceptions_throw_instantiationerror(classinfo *c)
{
- java_objectheader *o;
- va_list ap;
- char *msg;
- s4 msglen;
+ 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, ...)
+{
+ va_list ap;
+ char *msg;
+ s4 msglen;
+ utf *u;
/* calculate exception message length */
vsprintf(msg, message, ap);
va_end(ap);
- /* create exception object */
-
- o = new_exception_message(string_java_lang_InternalError, msg);
+ u = utf_new_char(msg);
/* free memory */
MFREE(msg, char, msglen);
- return o;
+ /* throw exception */
+
+ exceptions_throw_utf_utf(utf_java_lang_InternalError, u);
}
-/* 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;
+
+ exceptions_set_exception(o);
}
-/* exceptions_new_nosuchmethoderror ********************************************
+/* exceptions_throw_nosuchfielderror *******************************************
- Generates a java.lang.NoSuchMethodError with an error message.
+ Generates and throws a java.lang.NoSuchFieldError 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);
+
+#if defined(ENABLE_JAVASE)
+ exceptions_throw_utf_utf(utf_java_lang_NoSuchMethodError, u);
+#else
+ exceptions_throw_class_utf(class_java_lang_Error, u);
+#endif
+}
+
+
+/* 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)
{
- java_objectheader *o;
- va_list ap;
- char *msg;
- s4 msglen;
+#if defined(ENABLE_JAVASE)
+ exceptions_throw_utf_utf(utf_java_lang_UnsatisfiedLinkError, name);
+#else
+ exceptions_throw_class_utf(class_java_lang_Error, name);
+#endif
+}
- /* calculate exception message length */
- msglen = utf_strlen(c->name) + strlen(" (") + strlen(")") + strlen("0");
+/* exceptions_throw_unsupportedclassversionerror *******************************
- va_start(ap, message);
- msglen += get_variable_message_length(message, ap);
- va_end(ap);
+ 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)
+{
+ char *msg;
+ s4 msglen;
+ utf *u;
+
+ /* 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, ")");
-
- /* create exception object */
+ utf_copy_classname(msg, c->name);
+ sprintf(msg + strlen(msg), " (Unsupported major.minor version %d.%d)",
+ ma, mi);
- o = new_exception_message(string_java_lang_UnsupportedClassVersionError,
- msg);
+ u = utf_new_char(msg);
/* free memory */
MFREE(msg, char, msglen);
- return o;
+ /* throw exception */
+
+ exceptions_throw_utf_utf(utf_java_lang_UnsupportedClassVersionError, u);
}
-/* 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*/
+ va_list ap;
+ char *msg;
+ s4 msglen;
+ utf *u;
/* 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, ") ");
}
vsprintf(msg + strlen(msg), message, ap);
va_end(ap);
- /* create exception object */
-
- o = new_exception_message(string_java_lang_VerifyError, msg);
+ u = utf_new_char(msg);
/* free memory */
MFREE(msg, char, msglen);
- return o;
+ /* throw exception */
+
+ exceptions_throw_utf_utf(utf_java_lang_VerifyError, u);
}
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)
+void exceptions_throw_verifyerror_for_stack(methodinfo *m, int type)
{
- java_objectheader *o;
- char *msg;
- s4 msglen;
- char *typename;
+ char *msg;
+ s4 msglen;
+ char *typename;
+ utf *u;
/* 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(") Expecting to find longest-------typename on stack")
+ strlen("0");
/* 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, ") ");
}
else {
msg[0] = 0;
}
- strcat(msg,"Expecting to find ");
+ strcat(msg, "Expecting to find ");
+
switch (type) {
case TYPE_INT: typename = "integer"; break;
case TYPE_LNG: typename = "long"; break;
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);
+ u = utf_new_char(msg);
/* free memory */
MFREE(msg, char, msglen);
- *exceptionptr = o;
+ /* throw exception */
+
+ exceptions_throw_utf_utf(utf_java_lang_VerifyError, u);
}
-/* 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;
-
- e = new_exception_message(string_java_lang_ArithmeticException,
- string_java_lang_ArithmeticException_message);
+ java_objectheader *o;
- if (!e)
- return *exceptionptr;
+ o = exceptions_new_utf_utf(utf_java_lang_ArithmeticException,
+ utf_division_by_zero);
- 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)
- return *exceptionptr;
-
- ASM_CALLJAVAFUNCTION_ADR(o, m, (void *) (ptrint) index, NULL, NULL, NULL);
+ if (m == NULL)
+ return exceptions_get_exception();
- s = (java_lang_String *) o;
+ s = vm_call_method(m, NULL, index);
- if (!s)
- return *exceptionptr;
+ if (s == NULL)
+ return exceptions_get_exception();
- e = new_exception_javastring(string_java_lang_ArrayIndexOutOfBoundsException,
- s);
+ o = exceptions_new_utf_javastring(utf_java_lang_ArrayIndexOutOfBoundsException,
+ s);
- if (!e)
- return *exceptionptr;
+ if (o == NULL)
+ return exceptions_get_exception();
- 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;
- e = new_exception(string_java_lang_ClassCastException);
+ classname = o->vftbl->class->name;
- if (!e)
- return *exceptionptr;
+ e = exceptions_new_class_utf(class_java_lang_ClassCastException, classname);
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(utf *message)
+{
+ exceptions_throw_utf_utf(utf_java_lang_IllegalAccessException, message);
}
/* 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_privilegedactionexception **********************************
+
+ Generates and throws a java.security.PrivilegedActionException.
+
+*******************************************************************************/
+
+void exceptions_throw_privilegedactionexception(java_objectheader *exception)
+{
+ exceptions_throw_utf_exception(utf_java_security_PrivilegedActionException,
+ exception);
+}
+
+
+/* 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_classnotfoundexception_to_noclassdeffounderror *******************
+
+ Check the exception for a ClassNotFoundException. If it is one,
+ convert it to a NoClassDefFoundError.
+
+*******************************************************************************/
+
+void exceptions_classnotfoundexception_to_noclassdeffounderror(void)
+{
+ java_objectheader *o;
+ java_objectheader *cause;
+ java_lang_Throwable *object;
+ java_objectheader *s;
+
+ /* get the cause */
+
+ cause = exceptions_get_exception();
+
+ /* convert ClassNotFoundException's to NoClassDefFoundError's */
+
+ if (builtin_instanceof(cause, class_java_lang_ClassNotFoundException)) {
+ /* clear exception, because we are calling jit code again */
+
+ exceptions_clear_exception();
+
+ /* create new error */
+
+ object = (java_lang_Throwable *) cause;
+ s = (java_objectheader *) object->detailMessage;
+
+ o = exceptions_new_utf_javastring(utf_java_lang_NoClassDefFoundError,
+ s);
+
+ /* we had an exception while creating the error */
+
+ if (exceptions_get_exception())
+ return;
+
+ /* set new exception */
+
+ exceptions_set_exception(o);
+ }
+}
+
+
+/* exceptions_fillinstacktrace *************************************************
+
+ Calls the fillInStackTrace-method of the currently thrown
+ exception.
+
+*******************************************************************************/
+
+java_objectheader *exceptions_fillinstacktrace(void)
+{
+ java_objectheader *o;
+ methodinfo *m;
+
+ /* get exception */
+
+ o = exceptions_get_and_clear_exception();
+
+ assert(o);
+
+ /* resolve methodinfo pointer from exception object */
+
+#if defined(ENABLE_JAVASE)
+ m = class_resolvemethod(o->vftbl->class,
+ utf_fillInStackTrace,
+ utf_void__java_lang_Throwable);
+#elif defined(ENABLE_JAVAME_CLDC1_1)
+ m = class_resolvemethod(o->vftbl->class,
+ utf_fillInStackTrace,
+ utf_void__void);
+#else
+#error IMPLEMENT ME!
+#endif
+
+ /* call function */
+
+ (void) vm_call_method(m, o);
+
+ /* return exception object */
+
+ return o;
+}
+
+
+/* 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;
+
+ case EXCEPTION_HARDWARE_PATCHER:
+ e = patcher_handler(xpc);
+ 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...");
+
+ /* keep compiler happy */
+
+ e = NULL;
+ }
+
+ /* 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 */
+
+ code = *((codeinfo **) (pv + CodeinfoPointer));
+ issync = *((s4 *) (pv + IsSync));
+ ex = (dseg_exception_entry *) (pv + ExTableStart);
+ exceptiontablelength = *((s4 *) (pv + ExTableSize));
- m = *((methodinfo **) (pv + MethodPointer));
- framesize = *((s4 *) (pv + FrameSize));
- issync = *((s4 *) (pv + IsSync));
- ex = (exceptionentry *) (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)
+ if (opt_verbose || opt_verbosecall || opt_TraceExceptions)
builtin_trace_exception(xptr, m, xpc, 1);
+#endif
+
+#if defined(ENABLE_VMLOG)
+ vmlog_cacao_throw(xptr);
+#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 */
#if !defined(NDEBUG)
/* Print stacktrace of exception when caught. */
- if (opt_verboseexception) {
+#if defined(ENABLE_VMLOG)
+ vmlog_cacao_catch(xptr);
+#endif
+
+ if (opt_TraceExceptions) {
exceptions_print_exception(xptr);
stacktrace_print_trace(xptr);
}
/* 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(NDEBUG)
/* Print stacktrace of exception when caught. */
- if (opt_verboseexception) {
+#if defined(ENABLE_VMLOG)
+ vmlog_cacao_catch(xptr);
+#endif
+
+ if (opt_TraceExceptions) {
exceptions_print_exception(xptr);
stacktrace_print_trace(xptr);
}
}
}
-#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
/* none of the exceptions catch this one */
+#if defined(ENABLE_VMLOG)
+ vmlog_cacao_unwnd_method(m);
+#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) {
- u = javastring_toutf(t->detailMessage, false);
+ if (t->detailMessage != NULL) {
+ u = javastring_toutf((java_objectheader *) 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);
+ if (cause->detailMessage != NULL) {
+ u = javastring_toutf((java_objectheader *) 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 *o;
+
+ o = exceptions_get_exception();
+
+ exceptions_print_exception(o);
+}
+
+
+/* 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 = exceptions_get_and_clear_exception();
+
+ if (oxptr == NULL)
+ vm_abort("exceptions_print_stacktrace: no exception thrown");
+
+ /* clear exception, because we are calling jit code again */
+
+ 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 = exceptions_get_exception();
+
+ 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