1 /*

     2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     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 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 "gc_implementation/g1/heapRegionType.hpp"

    27 

    28 bool HeapRegionType::is_valid(Tag tag) {

    29   switch (tag) {

    30     case FreeTag:

    31     case EdenTag:

    32     case SurvTag:

    33     case HumStartsTag:

    34     case HumContTag:

    35     case OldTag:

    36       return true;

    37   }

    38   return false;

    39 }

    40 

    41 const char* HeapRegionType::get_str() const {

    42   hrt_assert_is_valid(_tag);

    43   switch (_tag) {

    44     case FreeTag:      return "FREE";

    45     case EdenTag:      return "EDEN";

    46     case SurvTag:      return "SURV";

    47     case HumStartsTag: return "HUMS";

    48     case HumContTag:   return "HUMC";

    49     case OldTag:       return "OLD";

    50   }

    51   ShouldNotReachHere();

    52   // keep some compilers happy

    53   return NULL;

    54 }

    55 

    56 const char* HeapRegionType::get_short_str() const {

    57   hrt_assert_is_valid(_tag);

    58   switch (_tag) {

    59     case FreeTag:      return "F";

    60     case EdenTag:      return "E";

    61     case SurvTag:      return "S";

    62     case HumStartsTag: return "HS";

    63     case HumContTag:   return "HC";

    64     case OldTag:       return "O";

    65   }

    66   ShouldNotReachHere();

    67   // keep some compilers happy

    68   return NULL;

    69 }