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6972759: Step over not working after thrown exception and Pop

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Reset jvmtithreadstate exception state after frame pop and forceearlyreturn processed

Reviewed-by: minqi, dholmes, dlong
This commit is contained in:
Bill Pittore 2012-01-21 23:02:40 -05:00 committed by Bill Pittore
parent 8efd785f67
commit af9f073374
2 changed files with 22 additions and 0 deletions
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18
hotspot/src/share/vm/prims/jvmtiThreadState.cpp
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@ -319,6 +319,15 @@ void JvmtiThreadState::process_pending_step_for_popframe() {
// clearing the flag indicates we are done with the PopFrame() dance
clr_pending_step_for_popframe();
// If exception was thrown in this frame, need to reset jvmti thread state.
// Single stepping may not get enabled correctly by the agent since
// exception state is passed in MethodExit event which may be sent at some
// time in the future. JDWP agent ignores MethodExit events if caused by
// an exception.
//
if (is_exception_detected()) {
clear_exception_detected();
}
// If step is pending for popframe then it may not be
// a repeat step. The new_bci and method_id is same as current_bci
// and current method_id after pop and step for recursive calls.
@ -385,6 +394,15 @@ void JvmtiThreadState::process_pending_step_for_earlyret() {
// the ForceEarlyReturn() dance
clr_pending_step_for_earlyret();
// If exception was thrown in this frame, need to reset jvmti thread state.
// Single stepping may not get enabled correctly by the agent since
// exception state is passed in MethodExit event which may be sent at some
// time in the future. JDWP agent ignores MethodExit events if caused by
// an exception.
//
if (is_exception_detected()) {
clear_exception_detected();
}
// If step is pending for earlyret then it may not be a repeat step.
// The new_bci and method_id is same as current_bci and current
// method_id after earlyret and step for recursive calls.

4
hotspot/src/share/vm/prims/jvmtiThreadState.hpp
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@ -165,6 +165,10 @@ class JvmtiThreadState : public CHeapObj {
inline bool is_exception_caught() { return _exception_caught; }
inline void set_exception_detected() { _exception_detected = true;
_exception_caught = false; }
inline void clear_exception_detected() {
_exception_detected = false;
assert(_exception_caught == false, "_exception_caught is out of phase");
}
inline void set_exception_caught() { _exception_caught = true;
_exception_detected = false; }