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src/share/vm/gc/g1/g1BiasedArray.cpp

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rev 8362 : [mq]: hotspot
   1 /*
   2  * Copyright (c) 2013, 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/g1BiasedArray.hpp"
  27 #include "memory/padded.inline.hpp"
  28 
  29 // Allocate a new array, generic version.
  30 address G1BiasedMappedArrayBase::create_new_base_array(size_t length, size_t elem_size) {
  31   assert(length > 0, "just checking");
  32   assert(elem_size > 0, "just checking");
  33   return PaddedPrimitiveArray<u_char, mtGC>::create_unfreeable(length * elem_size);
  34 }
  35 
  36 #ifndef PRODUCT
  37 void G1BiasedMappedArrayBase::verify_index(idx_t index) const {
  38   guarantee(_base != NULL, "Array not initialized");
  39   guarantee(index < length(), err_msg("Index out of bounds index: "SIZE_FORMAT" length: "SIZE_FORMAT, index, length()));
  40 }
  41 
  42 void G1BiasedMappedArrayBase::verify_biased_index(idx_t biased_index) const {
  43   guarantee(_biased_base != NULL, "Array not initialized");
  44   guarantee(biased_index >= bias() && biased_index < (bias() + length()),
  45     err_msg("Biased index out of bounds, index: "SIZE_FORMAT" bias: "SIZE_FORMAT" length: "SIZE_FORMAT, biased_index, bias(), length()));
  46 }


   1 /*
   2  * Copyright (c) 2013, 2015, 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/g1/g1BiasedArray.hpp"
  27 #include "memory/padded.inline.hpp"
  28 
  29 // Allocate a new array, generic version.
  30 address G1BiasedMappedArrayBase::create_new_base_array(size_t length, size_t elem_size) {
  31   assert(length > 0, "just checking");
  32   assert(elem_size > 0, "just checking");
  33   return PaddedPrimitiveArray<u_char, mtGC>::create_unfreeable(length * elem_size);
  34 }
  35 
  36 #ifndef PRODUCT
  37 void G1BiasedMappedArrayBase::verify_index(idx_t index) const {
  38   guarantee(_base != NULL, "Array not initialized");
  39   guarantee(index < length(), err_msg("Index out of bounds index: "SIZE_FORMAT" length: "SIZE_FORMAT, index, length()));
  40 }
  41 
  42 void G1BiasedMappedArrayBase::verify_biased_index(idx_t biased_index) const {
  43   guarantee(_biased_base != NULL, "Array not initialized");
  44   guarantee(biased_index >= bias() && biased_index < (bias() + length()),
  45     err_msg("Biased index out of bounds, index: "SIZE_FORMAT" bias: "SIZE_FORMAT" length: "SIZE_FORMAT, biased_index, bias(), length()));
  46 }


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