29 ScopeDesc::ScopeDesc(const nmethod* code, int decode_offset, int obj_decode_offset) {
30 _code = code;
31 _decode_offset = decode_offset;
32 _objects = decode_object_values(obj_decode_offset);
33 decode_body();
34 }
35
36 ScopeDesc::ScopeDesc(const nmethod* code, int decode_offset) {
37 _code = code;
38 _decode_offset = decode_offset;
39 _objects = decode_object_values(DebugInformationRecorder::serialized_null);
40 decode_body();
41 }
42
43
44 ScopeDesc::ScopeDesc(const ScopeDesc* parent) {
45 _code = parent->_code;
46 _decode_offset = parent->_sender_decode_offset;
47 _objects = parent->_objects;
48 decode_body();
49 }
50
51
52 void ScopeDesc::decode_body() {
53 if (decode_offset() == DebugInformationRecorder::serialized_null) {
54 // This is a sentinel record, which is only relevant to
55 // approximate queries. Decode a reasonable frame.
56 _sender_decode_offset = DebugInformationRecorder::serialized_null;
57 _method = methodHandle(_code->method());
58 _bci = InvocationEntryBci;
59 _locals_decode_offset = DebugInformationRecorder::serialized_null;
60 _expressions_decode_offset = DebugInformationRecorder::serialized_null;
61 _monitors_decode_offset = DebugInformationRecorder::serialized_null;
62 } else {
63 // decode header
64 DebugInfoReadStream* stream = stream_at(decode_offset());
65
66 _sender_decode_offset = stream->read_int();
67 _method = methodHandle((methodOop) stream->read_oop());
68 _bci = stream->read_bci();
69 // decode offsets for body and sender
70 _locals_decode_offset = stream->read_int();
71 _expressions_decode_offset = stream->read_int();
72 _monitors_decode_offset = stream->read_int();
73 }
74 }
75
76
77 GrowableArray<ScopeValue*>* ScopeDesc::decode_scope_values(int decode_offset) {
78 if (decode_offset == DebugInformationRecorder::serialized_null) return NULL;
79 DebugInfoReadStream* stream = stream_at(decode_offset);
80 int length = stream->read_int();
81 GrowableArray<ScopeValue*>* result = new GrowableArray<ScopeValue*> (length);
82 for (int index = 0; index < length; index++) {
83 result->push(ScopeValue::read_from(stream));
84 }
85 return result;
86 }
87
88 GrowableArray<ScopeValue*>* ScopeDesc::decode_object_values(int decode_offset) {
153 st->print_cr("@%d", bci());
154 }
155 }
156
157 void ScopeDesc::print_on(outputStream* st) const {
158 print_on(st, NULL);
159 }
160
161 void ScopeDesc::print_on(outputStream* st, PcDesc* pd) const {
162 // header
163 if (pd != NULL) {
164 tty->print_cr("ScopeDesc(pc=" PTR_FORMAT " offset=%x):", pd->real_pc(_code), pd->pc_offset());
165 }
166
167 print_value_on(st);
168 // decode offsets
169 if (WizardMode) {
170 st->print("ScopeDesc[%d]@" PTR_FORMAT " ", _decode_offset, _code->instructions_begin());
171 st->print_cr(" offset: %d", _decode_offset);
172 st->print_cr(" bci: %d", bci());
173 st->print_cr(" locals: %d", _locals_decode_offset);
174 st->print_cr(" stack: %d", _expressions_decode_offset);
175 st->print_cr(" monitor: %d", _monitors_decode_offset);
176 st->print_cr(" sender: %d", _sender_decode_offset);
177 }
178 // locals
179 { GrowableArray<ScopeValue*>* l = ((ScopeDesc*) this)->locals();
180 if (l != NULL) {
181 tty->print_cr(" Locals");
182 for (int index = 0; index < l->length(); index++) {
183 st->print(" - l%d: ", index);
184 l->at(index)->print_on(st);
185 st->cr();
186 }
187 }
188 }
189 // expressions
190 { GrowableArray<ScopeValue*>* l = ((ScopeDesc*) this)->expressions();
191 if (l != NULL) {
192 st->print_cr(" Expression stack");
|
29 ScopeDesc::ScopeDesc(const nmethod* code, int decode_offset, int obj_decode_offset) {
30 _code = code;
31 _decode_offset = decode_offset;
32 _objects = decode_object_values(obj_decode_offset);
33 decode_body();
34 }
35
36 ScopeDesc::ScopeDesc(const nmethod* code, int decode_offset) {
37 _code = code;
38 _decode_offset = decode_offset;
39 _objects = decode_object_values(DebugInformationRecorder::serialized_null);
40 decode_body();
41 }
42
43
44 ScopeDesc::ScopeDesc(const ScopeDesc* parent) {
45 _code = parent->_code;
46 _decode_offset = parent->_sender_decode_offset;
47 _objects = parent->_objects;
48 decode_body();
49 assert(_reexecute == false, "reexecute not allowed");
50 }
51
52
53 void ScopeDesc::decode_body() {
54 if (decode_offset() == DebugInformationRecorder::serialized_null) {
55 // This is a sentinel record, which is only relevant to
56 // approximate queries. Decode a reasonable frame.
57 _sender_decode_offset = DebugInformationRecorder::serialized_null;
58 _method = methodHandle(_code->method());
59 _bci = InvocationEntryBci;
60 _reexecute = false;
61 _locals_decode_offset = DebugInformationRecorder::serialized_null;
62 _expressions_decode_offset = DebugInformationRecorder::serialized_null;
63 _monitors_decode_offset = DebugInformationRecorder::serialized_null;
64 } else {
65 // decode header
66 DebugInfoReadStream* stream = stream_at(decode_offset());
67
68 _sender_decode_offset = stream->read_int();
69 _method = methodHandle((methodOop) stream->read_oop());
70 _bci = stream->read_bci_and_reexecute(_reexecute);
71
72 // decode offsets for body and sender
73 _locals_decode_offset = stream->read_int();
74 _expressions_decode_offset = stream->read_int();
75 _monitors_decode_offset = stream->read_int();
76 }
77 }
78
79
80 GrowableArray<ScopeValue*>* ScopeDesc::decode_scope_values(int decode_offset) {
81 if (decode_offset == DebugInformationRecorder::serialized_null) return NULL;
82 DebugInfoReadStream* stream = stream_at(decode_offset);
83 int length = stream->read_int();
84 GrowableArray<ScopeValue*>* result = new GrowableArray<ScopeValue*> (length);
85 for (int index = 0; index < length; index++) {
86 result->push(ScopeValue::read_from(stream));
87 }
88 return result;
89 }
90
91 GrowableArray<ScopeValue*>* ScopeDesc::decode_object_values(int decode_offset) {
156 st->print_cr("@%d", bci());
157 }
158 }
159
160 void ScopeDesc::print_on(outputStream* st) const {
161 print_on(st, NULL);
162 }
163
164 void ScopeDesc::print_on(outputStream* st, PcDesc* pd) const {
165 // header
166 if (pd != NULL) {
167 tty->print_cr("ScopeDesc(pc=" PTR_FORMAT " offset=%x):", pd->real_pc(_code), pd->pc_offset());
168 }
169
170 print_value_on(st);
171 // decode offsets
172 if (WizardMode) {
173 st->print("ScopeDesc[%d]@" PTR_FORMAT " ", _decode_offset, _code->instructions_begin());
174 st->print_cr(" offset: %d", _decode_offset);
175 st->print_cr(" bci: %d", bci());
176 st->print_cr(" reexecute: %s", should_reexecute() ? "true" : "false");
177 st->print_cr(" locals: %d", _locals_decode_offset);
178 st->print_cr(" stack: %d", _expressions_decode_offset);
179 st->print_cr(" monitor: %d", _monitors_decode_offset);
180 st->print_cr(" sender: %d", _sender_decode_offset);
181 }
182 // locals
183 { GrowableArray<ScopeValue*>* l = ((ScopeDesc*) this)->locals();
184 if (l != NULL) {
185 tty->print_cr(" Locals");
186 for (int index = 0; index < l->length(); index++) {
187 st->print(" - l%d: ", index);
188 l->at(index)->print_on(st);
189 st->cr();
190 }
191 }
192 }
193 // expressions
194 { GrowableArray<ScopeValue*>* l = ((ScopeDesc*) this)->expressions();
195 if (l != NULL) {
196 st->print_cr(" Expression stack");
|