GrowableArray<ScopeValue*>* ScopeDesc::decode_scope_values(int decode_offset) {
if (decode_offset == DebugInformationRecorder::serialized_null) return NULL;
DebugInfoReadStream* stream = stream_at(decode_offset);
int length = stream->read_int();
GrowableArray<ScopeValue*>* result = new GrowableArray<ScopeValue*> (length);
for (int index = 0; index < length; index++) {
result->push(ScopeValue::read_from(stream));
}
return result;
}
GrowableArray<ScopeValue*>* ScopeDesc::decode_object_values(int decode_offset) {
if (decode_offset == DebugInformationRecorder::serialized_null) return NULL;
GrowableArray<ScopeValue*>* result = new GrowableArray<ScopeValue*>();
DebugInfoReadStream* stream = new DebugInfoReadStream(_code, decode_offset, result);
int length = stream->read_int();
for (int index = 0; index < length; index++) {
// Objects values are pushed to 'result' array during read so that
// object's fields could reference it (OBJECT_ID_CODE).
(void)ScopeValue::read_from(stream);
}
assert(result->length() == length, "inconsistent debug information");
return result;
}
ScopeDesc::ScopeDesc(const nmethod* code, int decode_offset) {
_code = code;
_decode_offset = decode_offset;
// decode header
DebugInfoReadStream* stream = stream_at(_decode_offset);
_sender_decode_offset = stream->read_int();
_method = methodHandle((methodOop) stream->read_handle()());
_bci = stream->read_int();
// decode offsets for body and sender
_locals_decode_offset = stream->read_int();
_expressions_decode_offset = stream->read_int();
_monitors_decode_offset = stream->read_int();
}
void ScopeDesc::decode_body() {
if (decode_offset() == DebugInformationRecorder::serialized_null) {
// This is a sentinel record, which is only relevant to
// approximate queries. Decode a reasonable frame.
_sender_decode_offset = DebugInformationRecorder::serialized_null;
_method = _code->method();
_bci = InvocationEntryBci;
_locals_decode_offset = DebugInformationRecorder::serialized_null;
_expressions_decode_offset = DebugInformationRecorder::serialized_null;
_monitors_decode_offset = DebugInformationRecorder::serialized_null;
} else {
// decode header
DebugInfoReadStream* stream = stream_at(decode_offset());
_sender_decode_offset = stream->read_int();
_method = stream->read_method();
_bci = stream->read_bci();
// decode offsets for body and sender
_locals_decode_offset = stream->read_int();
_expressions_decode_offset = stream->read_int();
_monitors_decode_offset = stream->read_int();
}
}
