9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 # include "incls/_precompiled.incl"
26 # include "incls/_scopeDesc.cpp.incl"
27
28
29 ScopeDesc::ScopeDesc(const nmethod* code, int decode_offset, int obj_decode_offset, bool reexecute) {
30 _code = code;
31 _decode_offset = decode_offset;
32 _objects = decode_object_values(obj_decode_offset);
33 _reexecute = reexecute;
34 decode_body();
35 }
36
37 ScopeDesc::ScopeDesc(const nmethod* code, int decode_offset, bool reexecute) {
38 _code = code;
39 _decode_offset = decode_offset;
40 _objects = decode_object_values(DebugInformationRecorder::serialized_null);
41 _reexecute = reexecute;
42 decode_body();
43 }
44
45
46 ScopeDesc::ScopeDesc(const ScopeDesc* parent) {
47 _code = parent->_code;
48 _decode_offset = parent->_sender_decode_offset;
49 _objects = parent->_objects;
50 _reexecute = false; //reexecute only applies to the first scope
51 decode_body();
52 }
53
54
55 void ScopeDesc::decode_body() {
56 if (decode_offset() == DebugInformationRecorder::serialized_null) {
57 // This is a sentinel record, which is only relevant to
58 // approximate queries. Decode a reasonable frame.
59 _sender_decode_offset = DebugInformationRecorder::serialized_null;
60 _method = methodHandle(_code->method());
61 _bci = InvocationEntryBci;
62 _locals_decode_offset = DebugInformationRecorder::serialized_null;
63 _expressions_decode_offset = DebugInformationRecorder::serialized_null;
64 _monitors_decode_offset = DebugInformationRecorder::serialized_null;
65 } else {
66 // decode header
67 DebugInfoReadStream* stream = stream_at(decode_offset());
68
69 _sender_decode_offset = stream->read_int();
70 _method = methodHandle((methodOop) stream->read_oop());
158 }
159 }
160
161 void ScopeDesc::print_on(outputStream* st) const {
162 print_on(st, NULL);
163 }
164
165 void ScopeDesc::print_on(outputStream* st, PcDesc* pd) const {
166 // header
167 if (pd != NULL) {
168 tty->print_cr("ScopeDesc(pc=" PTR_FORMAT " offset=%x):", pd->real_pc(_code), pd->pc_offset());
169 }
170
171 print_value_on(st);
172 // decode offsets
173 if (WizardMode) {
174 st->print("ScopeDesc[%d]@" PTR_FORMAT " ", _decode_offset, _code->instructions_begin());
175 st->print_cr(" offset: %d", _decode_offset);
176 st->print_cr(" bci: %d", bci());
177 st->print_cr(" reexecute: %s", should_reexecute() ? "true" : "false");
178 st->print_cr(" locals: %d", _locals_decode_offset);
179 st->print_cr(" stack: %d", _expressions_decode_offset);
180 st->print_cr(" monitor: %d", _monitors_decode_offset);
181 st->print_cr(" sender: %d", _sender_decode_offset);
182 }
183 // locals
184 { GrowableArray<ScopeValue*>* l = ((ScopeDesc*) this)->locals();
185 if (l != NULL) {
186 tty->print_cr(" Locals");
187 for (int index = 0; index < l->length(); index++) {
188 st->print(" - l%d: ", index);
189 l->at(index)->print_on(st);
190 st->cr();
191 }
192 }
193 }
194 // expressions
195 { GrowableArray<ScopeValue*>* l = ((ScopeDesc*) this)->expressions();
196 if (l != NULL) {
197 st->print_cr(" Expression stack");
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 # include "incls/_precompiled.incl"
26 # include "incls/_scopeDesc.cpp.incl"
27
28
29 ScopeDesc::ScopeDesc(const nmethod* code, int decode_offset, int obj_decode_offset, bool reexecute, bool return_oop) {
30 _code = code;
31 _decode_offset = decode_offset;
32 _objects = decode_object_values(obj_decode_offset);
33 _reexecute = reexecute;
34 _return_oop = return_oop;
35 decode_body();
36 }
37
38 ScopeDesc::ScopeDesc(const nmethod* code, int decode_offset, bool reexecute, bool return_oop) {
39 _code = code;
40 _decode_offset = decode_offset;
41 _objects = decode_object_values(DebugInformationRecorder::serialized_null);
42 _reexecute = reexecute;
43 _return_oop = return_oop;
44 decode_body();
45 }
46
47
48 ScopeDesc::ScopeDesc(const ScopeDesc* parent) {
49 _code = parent->_code;
50 _decode_offset = parent->_sender_decode_offset;
51 _objects = parent->_objects;
52 _reexecute = false; //reexecute only applies to the first scope
53 _return_oop = false;
54 decode_body();
55 }
56
57
58 void ScopeDesc::decode_body() {
59 if (decode_offset() == DebugInformationRecorder::serialized_null) {
60 // This is a sentinel record, which is only relevant to
61 // approximate queries. Decode a reasonable frame.
62 _sender_decode_offset = DebugInformationRecorder::serialized_null;
63 _method = methodHandle(_code->method());
64 _bci = InvocationEntryBci;
65 _locals_decode_offset = DebugInformationRecorder::serialized_null;
66 _expressions_decode_offset = DebugInformationRecorder::serialized_null;
67 _monitors_decode_offset = DebugInformationRecorder::serialized_null;
68 } else {
69 // decode header
70 DebugInfoReadStream* stream = stream_at(decode_offset());
71
72 _sender_decode_offset = stream->read_int();
73 _method = methodHandle((methodOop) stream->read_oop());
161 }
162 }
163
164 void ScopeDesc::print_on(outputStream* st) const {
165 print_on(st, NULL);
166 }
167
168 void ScopeDesc::print_on(outputStream* st, PcDesc* pd) const {
169 // header
170 if (pd != NULL) {
171 tty->print_cr("ScopeDesc(pc=" PTR_FORMAT " offset=%x):", pd->real_pc(_code), pd->pc_offset());
172 }
173
174 print_value_on(st);
175 // decode offsets
176 if (WizardMode) {
177 st->print("ScopeDesc[%d]@" PTR_FORMAT " ", _decode_offset, _code->instructions_begin());
178 st->print_cr(" offset: %d", _decode_offset);
179 st->print_cr(" bci: %d", bci());
180 st->print_cr(" reexecute: %s", should_reexecute() ? "true" : "false");
181 st->print_cr(" return_oop: %s", return_oop() ? "true" : "false");
182 st->print_cr(" locals: %d", _locals_decode_offset);
183 st->print_cr(" stack: %d", _expressions_decode_offset);
184 st->print_cr(" monitor: %d", _monitors_decode_offset);
185 st->print_cr(" sender: %d", _sender_decode_offset);
186 }
187 // locals
188 { GrowableArray<ScopeValue*>* l = ((ScopeDesc*) this)->locals();
189 if (l != NULL) {
190 tty->print_cr(" Locals");
191 for (int index = 0; index < l->length(); index++) {
192 st->print(" - l%d: ", index);
193 l->at(index)->print_on(st);
194 st->cr();
195 }
196 }
197 }
198 // expressions
199 { GrowableArray<ScopeValue*>* l = ((ScopeDesc*) this)->expressions();
200 if (l != NULL) {
201 st->print_cr(" Expression stack");
|