calls instead of machine instructions, using the C calling
convention.
- $Id: builtin.c 1027 2004-04-26 15:53:01Z twisti $
+ $Id: builtin.c 1296 2004-07-10 17:02:15Z stefan $
*/
#include <assert.h>
#include <string.h>
#include <math.h>
-#include "main.h"
+#include "options.h"
#include "builtin.h"
#include "native.h"
#include "loader.h"
#include "mm/boehm.h"
#include "threads/thread.h"
#include "threads/locks.h"
-#include "toolbox/loging.h"
+#include "toolbox/logging.h"
#include "toolbox/memory.h"
#include "nat/java_lang_Cloneable.h"
#include "nat/java_lang_VMObject.h"
s4 builtin_isanysubclass(classinfo *sub, classinfo *super)
{
s4 res;
+ castinfo classvalues;
/*classinfo *tmp;*/
if (super->flags & ACC_INTERFACE)
sub->vftbl->baseval, super->vftbl->baseval, (unsigned)(sub->vftbl->baseval - super->vftbl->baseval),
super->vftbl->diffval); */
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
- cast_lock();
-#endif
+ asm_getclassvalues_atomic(super->vftbl, sub->vftbl, &classvalues);
- res = (unsigned) (sub->vftbl->baseval - super->vftbl->baseval) <=
- (unsigned) (super->vftbl->diffval);
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
- cast_unlock();
-#endif
+ res = (unsigned) (classvalues.sub_baseval - classvalues.super_baseval) <=
+ (unsigned) classvalues.super_diffval;
return res;
}
-s4 builtin_isanysubclass_vftbl(vftbl *sub,vftbl *super)
+s4 builtin_isanysubclass_vftbl(vftbl_t *sub,vftbl_t *super)
{
- int base;
s4 res;
+ int base;
+ castinfo classvalues;
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
- cast_lock();
-#endif
+ asm_getclassvalues_atomic(super, sub, &classvalues);
- if ((base = super->baseval) <= 0)
+ if ((base = classvalues.super_baseval) <= 0)
/* super is an interface */
res = (sub->interfacetablelength > -base) &&
(sub->interfacetable[base] != NULL);
else
- res = (unsigned) (sub->baseval - base)
- <= (unsigned) (super->diffval);
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
- cast_unlock();
-#endif
+ res = (unsigned) (classvalues.sub_baseval - classvalues.super_baseval)
+ <= (unsigned) classvalues.super_diffval;
return res;
}
*****************************************************************************/
-s4 builtin_checkarraycast(java_objectheader *o, vftbl *target)
+s4 builtin_checkarraycast(java_objectheader *o, vftbl_t *target)
{
arraydescriptor *desc;
}
-s4 builtin_arrayinstanceof(java_objectheader *obj, vftbl *target)
+s4 builtin_arrayinstanceof(java_objectheader *obj, vftbl_t *target)
{
if (!obj) return 1;
return builtin_checkarraycast(obj, target);
char logtext[MAXLOGTEXT];
sprintf(logtext, "Builtin exception thrown: ");
if (local_exceptionptr) {
+ java_lang_Throwable *t = (java_lang_Throwable *) local_exceptionptr;
+
utf_sprint_classname(logtext + strlen(logtext),
local_exceptionptr->vftbl->class->name);
+ if (t->detailMessage) {
+ sprintf(logtext + strlen(logtext), ": %s",
+ javastring_tochar(t->detailMessage));
+ }
+
} else {
sprintf(logtext + strlen(logtext), "Error: <Nullpointer instead of exception>");
}
{
arraydescriptor *desc;
arraydescriptor *valuedesc;
- vftbl *componentvftbl;
- vftbl *valuevftbl;
+ vftbl_t *componentvftbl;
+ vftbl_t *valuevftbl;
int dim_m1;
int base;
+ castinfo classvalues;
if (!o) return 1;
if (valuevftbl == componentvftbl)
return 1;
- if ((base = componentvftbl->baseval) <= 0)
+ asm_getclassvalues_atomic(componentvftbl, valuevftbl, &classvalues);
+
+ if ((base = classvalues.super_baseval) <= 0)
/* an array of interface references */
return (valuevftbl->interfacetablelength > -base &&
valuevftbl->interfacetable[base] != NULL);
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
- cast_lock();
-#endif
-
- res = (unsigned)(valuevftbl->baseval - base)
- <= (unsigned)(componentvftbl->diffval);
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
- cast_unlock();
-#endif
+ res = (unsigned) (classvalues.sub_baseval - classvalues.super_baseval)
+ <= (unsigned) classvalues.super_diffval;
return res;
}
s4 builtin_canstore_onedim (java_objectarray *a, java_objectheader *o)
{
arraydescriptor *desc;
- vftbl *elementvftbl;
- vftbl *valuevftbl;
- int base;
+ vftbl_t *elementvftbl;
+ vftbl_t *valuevftbl;
s4 res;
+ int base;
+ castinfo classvalues;
if (!o) return 1;
if (valuevftbl == elementvftbl)
return 1;
- if ((base = elementvftbl->baseval) <= 0)
+ asm_getclassvalues_atomic(elementvftbl, valuevftbl, &classvalues);
+
+ if ((base = classvalues.super_baseval) <= 0)
/* an array of interface references */
return (valuevftbl->interfacetablelength > -base &&
valuevftbl->interfacetable[base] != NULL);
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
- cast_lock();
-#endif
- res = (unsigned)(valuevftbl->baseval - base)
- <= (unsigned)(elementvftbl->diffval);
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
- cast_unlock();
-#endif
+ res = (unsigned) (classvalues.sub_baseval - classvalues.super_baseval)
+ <= (unsigned) classvalues.super_diffval;
return res;
}
* one-dimensional array of a class type */
s4 builtin_canstore_onedim_class(java_objectarray *a, java_objectheader *o)
{
- vftbl *elementvftbl;
- vftbl *valuevftbl;
+ vftbl_t *elementvftbl;
+ vftbl_t *valuevftbl;
s4 res;
+ castinfo classvalues;
if (!o) return 1;
if (valuevftbl == elementvftbl)
return 1;
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
- cast_lock();
-#endif
+ asm_getclassvalues_atomic(elementvftbl, valuevftbl, &classvalues);
- res = (unsigned)(valuevftbl->baseval - elementvftbl->baseval)
- <= (unsigned)(elementvftbl->diffval);
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
- cast_unlock();
-#endif
+ res = (unsigned) (classvalues.sub_baseval - classvalues.super_baseval)
+ <= (unsigned) classvalues.super_diffval;
return res;
}
java_objectheader *o;
/* is the class loaded */
- if (!c->loaded) {
- class_load(c);
- }
+ if (!c->loaded)
+ if (!class_load(c))
+ return NULL;
/* is the class linked */
- if (!c->linked) {
- class_link(c);
- }
+ if (!c->linked)
+ if (!class_link(c))
+ return NULL;
if (!c->initialized) {
- if (initverbose) {
- char logtext[MAXLOGTEXT];
- sprintf(logtext, "Initialize class ");
- utf_sprint_classname(logtext + strlen(logtext), c->name);
- sprintf(logtext + strlen(logtext), " (from builtin_new)");
- log_text(logtext);
- }
- (void) class_init(c);
+ if (initverbose)
+ log_message_class("Initialize class (from builtin_new): ", c);
- /* we had an ExceptionInInitializerError */
- if (*exceptionptr) {
+ if (!class_init(c))
return NULL;
- }
}
#ifdef SIZE_FROM_CLASSINFO
#else
o = heap_allocate(c->instancesize, true, c->finalizer);
#endif
+
if (!o)
return NULL;
return o;
}
+
/********************** Function: builtin_newarray **************************
Creates an array with the given vftbl on the heap.
*****************************************************************************/
-java_arrayheader *builtin_newarray(s4 size, vftbl *arrayvftbl)
+java_arrayheader *builtin_newarray(s4 size, vftbl_t *arrayvftbl)
{
java_arrayheader *a;
arraydescriptor *desc;
{
/* is class loaded */
if (!component->loaded)
- class_load(component);
+ if (!class_load(component))
+ return NULL;
/* is class linked */
if (!component->linked)
- class_link(component);
+ if (!class_link(component))
+ return NULL;
return (java_objectarray *) builtin_newarray(size, class_array_of(component)->vftbl);
}
******************************************************************************/
-java_arrayheader *builtin_nmultianewarray(int n, vftbl *arrayvftbl, long *dims)
+java_arrayheader *builtin_nmultianewarray(int n, vftbl_t *arrayvftbl, long *dims)
/* java_arrayheader *builtin_nmultianewarray(int n, classinfo *arrayclass, long *dims) */
{
s4 size, i;
java_arrayheader *a;
- vftbl *componentvftbl;
+ vftbl_t *componentvftbl;
/* utf_display(arrayclass->name); */
#if !defined(NATIVE_THREADS)
int hashValue;
- /*log_text("Monitor enter");*/
-
- assert(blockInts == 0);
-
++blockInts;
hashValue = MUTEX_HASH_VALUE(o);
internal_lock_mutex_for_object(o);
--blockInts;
-
- assert(blockInts == 0);
#else
- monitorEnter((threadobject*) THREADOBJECT, o);
+ monitorEnter((threadobject *) THREADOBJECT, o);
#endif
#endif
}
-
-void builtin_monitorexit (java_objectheader *o)
+/*
+ * Locks the class object - needed for static synchronized methods.
+ * The use_class_as_object call is needed in order to circumvent a
+ * possible deadlock with builtin_monitorenter called by another
+ * thread calling use_class_as_object.
+ */
+void builtin_staticmonitorenter(classinfo *c)
{
+ use_class_as_object(c);
+ builtin_monitorenter(&c->header);
+}
+
+void builtin_monitorexit(java_objectheader *o)
+{
#if defined(USE_THREADS)
#if !defined(NATIVE_THREADS)
int hashValue;
- /* log_text("Monitor leave"); */
-
- assert(blockInts == 0);
-
++blockInts;
hashValue = MUTEX_HASH_VALUE(o);
internal_unlock_mutex_for_object(o);
--blockInts;
-
- assert(blockInts == 0);
#else
- monitorExit((threadobject*) THREADOBJECT, o);
+ monitorExit((threadobject *) THREADOBJECT, o);
#endif
#endif
}
#if defined(USE_THREADS) && defined(NATIVE_THREADS)
return &THREADINFO->_stackframeinfo;
#else
+#if defined(__GNUC__)
#warning FIXME FOR OLD THREAD IMPL (jowenn)
+#endif
return &_thread_nativestackframeinfo; /* no threading, at least no native*/
#endif
}
size_t s;
s=(end-begin);
/*printf ("begin: %p, end: %p, diff: %ld, size :%ld\n",begin,end,s,s*sizeof(stacktraceelement));*/
- *el=GCNEW(stacktraceelement,s+1);
+ *el=heap_allocate(sizeof(stacktraceelement)*(s+1), true, 0);
+#if 0
+ *el=MNEW(stacktraceelement,s+1); /*GC*/
+#endif
memcpy(*el,begin,(end-begin)*sizeof(stacktraceelement));
(*el)[s].method=0;
- (*el)[s].linenumber=0;
+#if defined(__GNUC__)
+#warning change this if line numbers bigger than u2 are allowed, the currently supported class file format does no allow that
+#endif
+ (*el)[s].linenumber=-1; /* -1 can never be reched otherwise, since line numbers are only u2, so it is save to use that as flag */
return *el;
}