unsigned int *offsets;
// the class to define (see java-interp.h)
- _Jv_InterpClass *def;
+ jclass def;
+
+ // the classes associated interpreter data.
+ _Jv_InterpClass *def_interp;
/* check that the given number of input bytes are available */
inline void check (int num)
bytes = (unsigned char*) (elements (data)+offset);
len = length;
pos = 0;
- def = (_Jv_InterpClass*) klass;
+ def = klass;
+ def_interp = (_Jv_InterpClass *) def->aux_info;
}
/** and here goes the parser members defined out-of-line */
// tell everyone we're done.
def->state = JV_STATE_LOADED;
+ if (gcj::verbose_class_flag)
+ fprintf (stderr, "[Loaded (bytecode) %s]\n", def->name->chars());
def->notifyAll ();
}
name_index, type_index);
if (this_tag == JV_CONSTANT_Fieldref)
- _Jv_VerifyFieldSignature (pool_data[type_index].utf8);
+ verify_field_signature (pool_data[type_index].utf8);
else
- _Jv_VerifyMethodSignature (pool_data[type_index].utf8);
+ verify_method_signature (pool_data[type_index].utf8);
_Jv_Utf8Const* name = pool_data[name_index].utf8;
jstring msg = JvNewStringUTF ("loaded class ");
msg = msg->concat (def->getName ());
msg = msg->concat (_Jv_NewStringUTF (" was in fact named "));
- jstring klass_name = _Jv_NewStringUTF (loadedName->data);
+ jstring klass_name = loadedName->toString();
msg = msg->concat (klass_name);
throw_no_class_def_found_error (msg);
def->fields = (_Jv_Field*)
_Jv_AllocBytes (count * sizeof (_Jv_Field));
def->field_count = count;
- def->field_initializers = (_Jv_ushort*)
+ def_interp->field_initializers = (_Jv_ushort*)
_Jv_AllocBytes (count * sizeof (_Jv_ushort));
for (int i = 0; i < count; i++)
- def->field_initializers[i] = (_Jv_ushort) 0;
+ def_interp->field_initializers[i] = (_Jv_ushort) 0;
}
void _Jv_ClassReader::handleField (int field_no,
throw_class_format_error ("duplicate field name");
}
- if (field->flags & (Modifier::SYNCHRONIZED
- | Modifier::NATIVE
- | Modifier::INTERFACE
- | Modifier::ABSTRACT))
- throw_class_format_error ("erroneous field access flags");
-
+ // At most one of PUBLIC, PRIVATE, or PROTECTED is allowed.
if (1 < ( ((field->flags & Modifier::PUBLIC) ? 1 : 0)
+((field->flags & Modifier::PRIVATE) ? 1 : 0)
+((field->flags & Modifier::PROTECTED) ? 1 : 0)))
throw_class_format_error ("erroneous field access flags");
+
+ // FIXME: JVM spec S4.5: Verify ACC_FINAL and ACC_VOLATILE are not
+ // both set. Verify modifiers for interface fields.
+
}
if (verify)
- _Jv_VerifyFieldSignature (sig);
+ verify_field_signature (sig);
// field->type is really a jclass, but while it is still
// unresolved we keep an _Jv_Utf8Const* instead.
throw_class_format_error ("field has multiple ConstantValue attributes");
field->flags |= _Jv_FIELD_CONSTANT_VALUE;
- def->field_initializers[field_index] = value;
+ def_interp->field_initializers[field_index] = value;
/* type check the initializer */
int low = 0;
int high = def->field_count-1;
_Jv_Field *fields = def->fields;
- _Jv_ushort *inits = def->field_initializers;
+ _Jv_ushort *inits = def_interp->field_initializers;
// this is kind of a raw version of quicksort.
while (low < high)
{
def->methods = (_Jv_Method *) _Jv_AllocBytes (sizeof (_Jv_Method) * count);
- def->interpreted_methods
+ def_interp->interpreted_methods
= (_Jv_MethodBase **) _Jv_AllocBytes (sizeof (_Jv_MethodBase *)
* count);
for (int i = 0; i < count; i++)
{
- def->interpreted_methods[i] = 0;
+ def_interp->interpreted_methods[i] = 0;
def->methods[i].index = (_Jv_ushort) -1;
}
else
verify_identifier (method->name);
- _Jv_VerifyMethodSignature (method->signature);
+ verify_method_signature (method->signature);
for (int i = 0; i < mth_index; ++i)
{
throw_class_format_error ("duplicate method");
}
- if (method->accflags & (Modifier::VOLATILE
- | Modifier::TRANSIENT
- | Modifier::INTERFACE))
- throw_class_format_error ("erroneous method access flags");
-
+ // At most one of PUBLIC, PRIVATE, or PROTECTED is allowed.
if (1 < ( ((method->accflags & Modifier::PUBLIC) ? 1 : 0)
+((method->accflags & Modifier::PRIVATE) ? 1 : 0)
+((method->accflags & Modifier::PROTECTED) ? 1 : 0)))
throw_class_format_error ("erroneous method access flags");
+
+ // FIXME: JVM spec S4.6: if ABSTRACT modifier is set, verify other
+ // flags are not set. Verify flags for interface methods. Verifiy
+ // modifiers for initializers.
}
}
(void*) (bytes+code_start),
code_length);
- def->interpreted_methods[method_index] = method;
+ def_interp->interpreted_methods[method_index] = method;
if ((method->self->accflags & java::lang::reflect::Modifier::STATIC))
{
int start_pc, int end_pc, int handler_pc, int catch_type)
{
_Jv_InterpMethod *method = reinterpret_cast<_Jv_InterpMethod *>
- (def->interpreted_methods[method_index]);
+ (def_interp->interpreted_methods[method_index]);
_Jv_InterpException *exc = method->exceptions ();
exc[exc_index].start_pc.i = start_pc;
_Jv_Method *method = &def->methods[i];
if ((method->accflags & Modifier::NATIVE) != 0)
{
- if (def->interpreted_methods[i] != 0)
+ if (def_interp->interpreted_methods[i] != 0)
throw_class_format_error ("code provided for native method");
else
{
m->defining_class = def;
m->self = method;
m->function = NULL;
- def->interpreted_methods[i] = m;
+ def_interp->interpreted_methods[i] = m;
m->deferred = NULL;
if ((method->accflags & Modifier::STATIC))
}
else if ((method->accflags & Modifier::ABSTRACT) != 0)
{
- if (def->interpreted_methods[i] != 0)
+ if (def_interp->interpreted_methods[i] != 0)
throw_class_format_error ("code provided for abstract method");
}
else
{
- if (def->interpreted_methods[i] == 0)
+ if (def_interp->interpreted_methods[i] == 0)
throw_class_format_error ("method with no code");
}
}
if (def->name != NULL)
{
jsize mlen = strlen (msg);
- unsigned char* data = (unsigned char*) def->name->data;
- int ulen = def->name->length;
+ unsigned char* data = (unsigned char*) def->name->chars();
+ int ulen = def->name->len();
unsigned char* limit = data + ulen;
jsize nlen = _Jv_strLengthUtf8 ((char *) data, ulen);
jsize len = nlen + mlen + 3;
bool
_Jv_VerifyFieldSignature (_Jv_Utf8Const*sig)
{
- unsigned char* ptr = (unsigned char*) sig->data;
- unsigned char* limit = ptr + sig->length;
+ unsigned char* ptr = (unsigned char*) sig->chars();
+ unsigned char* limit = ptr + sig->len();
ptr = _Jv_VerifyOne (ptr, limit, false);
bool
_Jv_VerifyMethodSignature (_Jv_Utf8Const*sig)
{
- unsigned char* ptr = (unsigned char*) sig->data;
- unsigned char* limit = ptr + sig->length;
+ unsigned char* ptr = (unsigned char*) sig->chars();
+ unsigned char* limit = ptr + sig->len();
if (ptr == limit || UTF8_GET(ptr,limit) != '(')
return false;
bool
_Jv_VerifyIdentifier (_Jv_Utf8Const* name)
{
- unsigned char *ptr = (unsigned char*) name->data;
- unsigned char *limit = ptr + name->length;
+ unsigned char *ptr = (unsigned char*) name->chars();
+ unsigned char *limit = (unsigned char*) name->limit();
int ch;
if ((ch = UTF8_GET (ptr, limit))==-1
bool
_Jv_VerifyClassName (_Jv_Utf8Const *name)
{
- return _Jv_VerifyClassName ((unsigned char*)&name->data[0],
- (_Jv_ushort) name->length);
+ return _Jv_VerifyClassName ((unsigned char*)name->chars(), name->len());
}
/* Returns true, if NAME1 and NAME2 represent classes in the same
bool
_Jv_ClassNameSamePackage (_Jv_Utf8Const *name1, _Jv_Utf8Const *name2)
{
- unsigned char* ptr1 = (unsigned char*) name1->data;
- unsigned char* limit1 = ptr1 + name1->length;
+ unsigned char* ptr1 = (unsigned char*) name1->chars();
+ unsigned char* limit1 = (unsigned char*) name1->limit();
unsigned char* last1 = ptr1;
}
// Now the length of NAME1's package name is LEN.
- int len = last1 - (unsigned char*) name1->data;
+ int len = last1 - (unsigned char*) name1->chars();
// If this is longer than NAME2, then we're off.
- if (len > name2->length)
+ if (len > name2->len())
return false;
// Then compare the first len bytes for equality.
- if (memcmp ((void*) name1->data, (void*) name2->data, len) == 0)
+ if (memcmp ((void*) name1->chars(), (void*) name2->chars(), len) == 0)
{
// Check that there are no .'s after position LEN in NAME2.
- unsigned char* ptr2 = (unsigned char*) name2->data + len;
- unsigned char* limit2 =
- (unsigned char*) name2->data + name2->length;
+ unsigned char* ptr2 = (unsigned char*) name2->chars() + len;
+ unsigned char* limit2 = (unsigned char*) name2->limit();
while (ptr2 < limit2)
{
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