Quellcode-Bibliothek shenandoahMark.cpp

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    ORCOPYRIGHT ORTHIS 
 *
  java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 54
*under ofstride=java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 42
 *heap=:java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 0
 *
 * This code is java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 * ANYjava.lang.StringIndexOutOfBoundsException: Range [23, 20) out of bounds for length 23
 *    * extra first Sincemarkingcan pushnewjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 0
 * version 2 for more details (a copy is included in the java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 4
* ).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with     extrafirst. Since  pushtasksinto 
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500         Needreserve java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 137
java.lang.StringIndexOutOfBoundsException: Range [62, 61) out of bounds for length 73
 * questions.
 *
 */


#include "precompiled.hpp"

#include "gc/shenandoah/shenandoahBarrierSet ( = 
i"cjava.lang.StringIndexOutOfBoundsException: Range [53, 49) out of bounds for length 54
#     u i=0;i<;i++{
#   >java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 69
#     ,(        java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 137
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
# "/java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 44
#     java.lang.StringIndexOutOfBoundsException: Range [16, 14) out of bounds for length 47

ShenandoahMarkRefsSuperClosureif ->java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 33
java.lang.StringIndexOutOfBoundsException: Range [12, 3) out of bounds for length 3
  qq,
k_context(ShenandoahHeap:heap()>marking_context),
  _weak(ShenandoahSATBBufferClosure()java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
{}

ShenandoahMark      }else java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
     markingloopjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

void          java.lang.StringIndexOutOfBoundsException: Range [14, 15) out of bounds for length 14
if(CodeCache:is_gc_marking_cycle_active;
    CodeCache::on_gc_marking_cycle_start();
  }
}

void   =()java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  / when marking terminates.
CodeCacheompleted_buffers_num)>0){
}

void ShenandoahMark::clear() {
  // Clean up marking stacks.
      .java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 5

  // Cancel SATB buffers.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      if (CANCELLABLE&heap>check_cancelled_gc_and_yield
}

template <bool CANCELLABLE-s(orker_idt){
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ShenandoahObjToScanQueueq=();

  ShenandoahHeap* const+java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
  ShenandoahLiveData*}

  // TODO: We can clean up this if we figure out how to do templated oop closures that
  // play nice with specialized_oop_iterators.java.lang.StringIndexOutOfBoundsException: Range [4, 1) out of bounds for length 18
  if (    for (i  ;i<stride +) java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
      ifq>op( |
    Closure ShenandoahSuspen stsljava.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 40
        + java.lang.StringIndexOutOfBoundsException: Range [22, 20) out of bounds for length 53
  }
    using
    Closure
    ( = ){
  }

       
}

void ShenandoahMark::      // Need to leave the     safepoints
booljava.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 96
  if (cancellable)java.lang.StringIndexOutOfBoundsException: Range [39, 36) out of bounds for length 46
    switch(dedup_mode)java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
      case NO_DEDUP:
        mark_loop_prework<true, NO_DEDUP>(worker_id, terminator, rp, req);
        break;
      case ENQUEUE_DEDUP:
        mark_loop_prework<true, ENQUEUE_DEDUP>(worker_id, terminator, rp, req);
        break;
      case ALWAYS_DEDUP:
        mark_loop_prework<true, ALWAYS_DEDUP>(worker_id, terminator, rp, req);
        break;
    }
  } else {
    switch(dedup_mode) {
      case NO_DEDUP:
        mark_loop_prework<false, NO_DEDUP>(worker_id, terminator, rp, req);
        break;
      case ENQUEUE_DEDUP:
        mark_loop_prework<false, ENQUEUE_DEDUP>(worker_id, terminator, rp, req);
        break;
      case ALWAYS_DEDUP:
        mark_loop_prework<false, ALWAYS_DEDUP>(worker_id, terminator, rp, req);
        break;
    }
  }
}

template <class T, bool CANCELLABLE, StringDedupMode STRING_DEDUP>
void ShenandoahMark::mark_loop_work(T* cl, ShenandoahLiveData* live_data, uint worker_id, TaskTerminator *terminator, StringDedup::Requests* const req) {
  uintx stride = ShenandoahMarkLoopStride;

  ShenandoahHeap* heap = ShenandoahHeap::heap();
  ShenandoahObjToScanQueueSet* queues = task_queues();
  ShenandoahObjToScanQueue* q;
  ShenandoahMarkTask t;

  heap->ref_processor()->set_mark_closure(worker_id, cl);

  /*
   * Process outstanding queues, if any.
   *
   * There can be more queues than workers. To deal with the imbalance, we claim
   * extra queues first. Since marking can push new tasks into the queue associated
   * with this worker id, we come back to process this queue in the normal loop.
   */
  assert(queues->get_reserved() == heap->workers()->active_workers(),
         "Need to reserve proper number of queues: reserved: %u, active: %u", queues->get_reserved(), heap->workers()->active_workers());

  q = queues->claim_next();
  while (q != NULL) {
    if (CANCELLABLE && heap->check_cancelled_gc_and_yield()) {
      return;
    }

    for (uint i = 0; i < stride; i++) {
      if (q->pop(t)) {
        do_task<T, STRING_DEDUP>(q, cl, live_data, req, &t);
      } else {
        assert(q->is_empty(), "Must be empty");
        q = queues->claim_next();
        break;
      }
    }
  }
  q = get_queue(worker_id);

  ShenandoahSATBBufferClosure drain_satb(q);
  SATBMarkQueueSet& satb_mq_set = ShenandoahBarrierSet::satb_mark_queue_set();

  /*
   * Normal marking loop:
   */
  while (true) {
    if (CANCELLABLE && heap->check_cancelled_gc_and_yield()) {
      return;
    }

    while (satb_mq_set.completed_buffers_num() > 0) {
      satb_mq_set.apply_closure_to_completed_buffer(&drain_satb);
    }

    uint work = 0;
    for (uint i = 0; i < stride; i++) {
      if (q->pop(t) ||
          queues->steal(worker_id, t)) {
        do_task<T, STRING_DEDUP>(q, cl, live_data, req, &t);
        work++;
      } else {
        break;
      }
    }

    if (work == 0) {
      // No work encountered in current stride, try to terminate.
      // Need to leave the STS here otherwise it might block safepoints.
      ShenandoahSuspendibleThreadSetLeaver stsl(CANCELLABLE && ShenandoahSuspendibleWorkers);
      ShenandoahTerminatorTerminator tt(heap);
      if (terminator->offer_termination(&tt)) return;
    }
  }
}