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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include "gc_cause.h"
     18 #include "globals.h"
     19 #include "base/logging.h"
     20 
     21 #include <ostream>
     22 
     23 namespace art {
     24 namespace gc {
     25 
     26 const char* PrettyCause(GcCause cause) {
     27   switch (cause) {
     28     case kGcCauseForAlloc: return "Alloc";
     29     case kGcCauseBackground: return "Background";
     30     case kGcCauseExplicit: return "Explicit";
     31     case kGcCauseForNativeAlloc: return "NativeAlloc";
     32     case kGcCauseCollectorTransition: return "CollectorTransition";
     33     case kGcCauseDisableMovingGc: return "DisableMovingGc";
     34     case kGcCauseHomogeneousSpaceCompact: return "HomogeneousSpaceCompact";
     35     case kGcCauseTrim: return "HeapTrim";
     36     default:
     37       LOG(FATAL) << "Unreachable";
     38   }
     39   return "";
     40 }
     41 
     42 std::ostream& operator<<(std::ostream& os, const GcCause& gc_cause) {
     43   os << PrettyCause(gc_cause);
     44   return os;
     45 }
     46 
     47 }  // namespace gc
     48 }  // namespace art
     49