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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "memory/metaspaceShared.hpp"
27 #include "runtime/frame.inline.hpp"
28 #include "runtime/thread.inline.hpp"
29
30 // For Forte Analyzer AsyncGetCallTrace profiling support - thread is
31 // currently interrupted by SIGPROF
32 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr,
33 void* ucontext,
34 bool isInJava) {
35 assert(Thread::current() == this, "caller must be current thread");
36 assert(this->is_Java_thread(), "must be JavaThread");
37
38 JavaThread* jt = (JavaThread *)this;
39
40 if (!isInJava) {
41 // make_walkable flushes register windows and grabs last_Java_pc
42 // which can not be done if the ucontext sp matches last_Java_sp
43 // stack walking utilities assume last_Java_pc set if marked flushed
44 jt->frame_anchor()->make_walkable(jt);
45 }
46
47 // If we have a walkable last_Java_frame, then we should use it
48 // even if isInJava == true. It should be more reliable than
49 // ucontext info.
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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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "memory/metaspaceShared.hpp"
27 #include "runtime/frame.inline.hpp"
28 #include "runtime/thread.inline.hpp"
29
30 frame JavaThread::pd_last_frame() {
31 assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
32 assert(_anchor.walkable(), "thread has not dumped its register windows yet");
33
34 assert(_anchor.last_Java_pc() != NULL, "Ack no pc!");
35 return frame(last_Java_sp(), frame::unpatchable, _anchor.last_Java_pc());
36 }
37
38 // For Forte Analyzer AsyncGetCallTrace profiling support - thread is
39 // currently interrupted by SIGPROF
40 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr,
41 void* ucontext,
42 bool isInJava) {
43 assert(Thread::current() == this, "caller must be current thread");
44 assert(this->is_Java_thread(), "must be JavaThread");
45
46 JavaThread* jt = (JavaThread *)this;
47
48 if (!isInJava) {
49 // make_walkable flushes register windows and grabs last_Java_pc
50 // which can not be done if the ucontext sp matches last_Java_sp
51 // stack walking utilities assume last_Java_pc set if marked flushed
52 jt->frame_anchor()->make_walkable(jt);
53 }
54
55 // If we have a walkable last_Java_frame, then we should use it
56 // even if isInJava == true. It should be more reliable than
57 // ucontext info.
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