Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id: exceptions.c 8087 2007-06-14 16:01:12Z twisti $
+ $Id: exceptions.c 8178 2007-07-05 11:13:20Z michi $
*/
#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"
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
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_PATCHER)
- vm_abort("signal_init: array-data offset is less or equal the maximum hardware-exception displacement: %d <= %d", OFFSET(java_bytearray, data), EXCEPTION_HARDWARE_PATCHER);
+ 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 */
o = native_new_and_init(c);
if (o == NULL)
- return *exceptionptr;
+ return exceptions_get_exception();
return o;
}
c = load_class_bootstrap(classname);
if (c == NULL)
- return *exceptionptr;
+ return exceptions_get_exception();
o = exceptions_new_class(c);
if (o == NULL)
return;
- *exceptionptr = o;
+ exceptions_set_exception(o);
}
/* call initializer */
- m = class_findmethod(c, utf_init, utf_java_lang_String__void);
+ m = class_resolveclassmethod(c,
+ utf_init,
+ utf_java_lang_Throwable__void,
+ NULL,
+ true);
- if (m == NULL)
- return;
-
- (void) vm_call_method(m, o, object->detailMessage);
-
- /* call initCause */
-
- m = class_resolvemethod(c,
- utf_initCause,
- utf_java_lang_Throwable__java_lang_Throwable);
-
if (m == NULL)
return;
/* call initializer */
- m = class_findmethod(c, utf_init, utf_java_lang_Exception__V);
+ m = class_resolveclassmethod(c,
+ utf_init,
+ utf_java_lang_Exception__V,
+ NULL,
+ true);
if (m == NULL)
return;
}
+/* exceptions_throw_utf_cause **************************************************
+
+ 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
+
+*******************************************************************************/
+
+static void exceptions_throw_utf_cause(utf *classname, java_objectheader *cause)
+{
+ classinfo *c;
+ java_objectheader *o;
+ methodinfo *m;
+ java_lang_Throwable *object;
+
+ object = (java_lang_Throwable *) cause;
+
+ 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_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);
+}
+
+
/* exceptions_new_utf_javastring ***********************************************
Creates an exception object with the given name and initalizes it
c = load_class_bootstrap(classname);
if (c == NULL)
- return *exceptionptr;
+ return exceptions_get_exception();
o = native_new_and_init_string(c, message);
if (o == NULL)
- return *exceptionptr;
+ return exceptions_get_exception();
return o;
}
s = javastring_new(message);
if (s == NULL)
- return *exceptionptr;
+ return exceptions_get_exception();
o = native_new_and_init_string(c, s);
if (o == NULL)
- return *exceptionptr;
+ return exceptions_get_exception();
return o;
}
c = load_class_bootstrap(classname);
if (c == NULL)
- return *exceptionptr;
+ return exceptions_get_exception();
o = exceptions_new_class_utf(c, message);
static void exceptions_throw_class_utf(classinfo *c, utf *message)
{
- *exceptionptr = exceptions_new_class_utf(c, message);
+ java_objectheader *o;
+
+ o = exceptions_new_class_utf(c, message);
+
+ exceptions_set_exception(o);
}
static void exceptions_throw_utf_utf(utf *classname, utf *message)
{
- *exceptionptr = exceptions_new_utf_utf(classname, message);
+ java_objectheader *o;
+
+ o = exceptions_new_utf_utf(classname, message);
+
+ exceptions_set_exception(o);
}
void exceptions_throw_noclassdeffounderror_cause(java_objectheader *cause)
{
- exceptions_throw_utf_throwable(utf_java_lang_NoClassDefFoundError, cause);
+ exceptions_throw_utf_cause(utf_java_lang_NoClassDefFoundError, cause);
}
if (o == NULL)
return;
- *exceptionptr = o;
+ exceptions_set_exception(o);
}
true);
if (m == NULL)
- return *exceptionptr;
+ return exceptions_get_exception();
s = vm_call_method(m, NULL, index);
if (s == NULL)
- return *exceptionptr;
+ return exceptions_get_exception();
o = exceptions_new_utf_javastring(utf_java_lang_ArrayIndexOutOfBoundsException,
s);
if (o == NULL)
- return *exceptionptr;
+ return exceptions_get_exception();
return o;
}
/* exceptions_classnotfoundexception_to_noclassdeffounderror *******************
- Check the *exceptionptr for a ClassNotFoundException. If it is one,
+ Check the exception for a ClassNotFoundException. If it is one,
convert it to a NoClassDefFoundError.
*******************************************************************************/
/* get exception */
- o = *exceptionptr;
- assert(o);
-
- /* clear exception */
+ o = exceptions_get_and_clear_exception();
- *exceptionptr = NULL;
+ assert(o);
/* resolve methodinfo pointer from exception object */
*******************************************************************************/
-java_objectheader *exceptions_new_hardware_exception(u1 *pv, u1 *sp, u1 *ra, u1 *xpc, s4 type, ptrint val)
+java_objectheader *exceptions_new_hardware_exception(u1 *pv, u1 *sp, u1 *ra, u1 *xpc, s4 type, ptrint val, stackframeinfo *sfi)
{
- stackframeinfo sfi;
java_objectheader *e;
java_objectheader *o;
s4 index;
/* create stackframeinfo */
- stacktrace_create_extern_stackframeinfo(&sfi, pv, sp, ra, xpc);
+ stacktrace_create_extern_stackframeinfo(sfi, pv, sp, ra, xpc);
switch (type) {
case EXCEPTION_HARDWARE_NULLPOINTER:
e = exceptions_fillinstacktrace();
break;
+ case EXCEPTION_HARDWARE_PATCHER:
+ e = patcher_handler(xpc);
+ break;
+
default:
/* let's try to get a backtrace */
/* remove stackframeinfo */
- stacktrace_remove_stackframeinfo(&sfi);
+ stacktrace_remove_stackframeinfo(sfi);
/* return the exception object */
#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
vmlog_cacao_catch(xptr);
#endif
- if (opt_verboseexception) {
+ if (opt_TraceExceptions) {
exceptions_print_exception(xptr);
stacktrace_print_trace(xptr);
}
vmlog_cacao_catch(xptr);
#endif
- if (opt_verboseexception) {
+ if (opt_TraceExceptions) {
exceptions_print_exception(xptr);
stacktrace_print_trace(xptr);
}
void exceptions_print_current_exception(void)
{
- java_objectheader *xptr;
+ java_objectheader *o;
- xptr = *exceptionptr;
+ o = exceptions_get_exception();
- exceptions_print_exception(xptr);
+ exceptions_print_exception(o);
}
projects / cacao.git / blobdiff