src/share/vm/compiler/oopMap.cpp

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   1 /*
   2  * Copyright (c) 1998, 2009, 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 "incls/_precompiled.incl"
  26 # include "incls/_oopMap.cpp.incl"












  27 
  28 // OopMapStream
  29 
  30 OopMapStream::OopMapStream(OopMap* oop_map) {
  31   if(oop_map->omv_data() == NULL) {
  32     _stream = new CompressedReadStream(oop_map->write_stream()->buffer());
  33   } else {
  34     _stream = new CompressedReadStream(oop_map->omv_data());
  35   }
  36   _mask = OopMapValue::type_mask_in_place;
  37   _size = oop_map->omv_count();
  38   _position = 0;
  39   _valid_omv = false;
  40 }
  41 
  42 
  43 OopMapStream::OopMapStream(OopMap* oop_map, int oop_types_mask) {
  44   if(oop_map->omv_data() == NULL) {
  45     _stream = new CompressedReadStream(oop_map->write_stream()->buffer());
  46   } else {


   1 /*
   2  * Copyright (c) 1998, 2010, 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 "code/codeBlob.hpp"
  27 #include "code/codeCache.hpp"
  28 #include "code/nmethod.hpp"
  29 #include "code/scopeDesc.hpp"
  30 #include "compiler/oopMap.hpp"
  31 #include "gc_interface/collectedHeap.hpp"
  32 #include "memory/allocation.inline.hpp"
  33 #include "memory/resourceArea.hpp"
  34 #include "runtime/frame.inline.hpp"
  35 #include "runtime/signature.hpp"
  36 #ifdef COMPILER1
  37 #include "c1/c1_Defs.hpp"
  38 #endif
  39 
  40 // OopMapStream
  41 
  42 OopMapStream::OopMapStream(OopMap* oop_map) {
  43   if(oop_map->omv_data() == NULL) {
  44     _stream = new CompressedReadStream(oop_map->write_stream()->buffer());
  45   } else {
  46     _stream = new CompressedReadStream(oop_map->omv_data());
  47   }
  48   _mask = OopMapValue::type_mask_in_place;
  49   _size = oop_map->omv_count();
  50   _position = 0;
  51   _valid_omv = false;
  52 }
  53 
  54 
  55 OopMapStream::OopMapStream(OopMap* oop_map, int oop_types_mask) {
  56   if(oop_map->omv_data() == NULL) {
  57     _stream = new CompressedReadStream(oop_map->write_stream()->buffer());
  58   } else {