src/share/vm/ci/ciCPCache.cpp
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src/share/vm/ci/ciCPCache.cpp

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   1 /*
   2  * Copyright (c) 2009, 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  *


  29 
  30 // ciCPCache
  31 
  32 // ------------------------------------------------------------------
  33 // ciCPCache::get_f1_offset
  34 size_t ciCPCache::get_f1_offset(int index) {
  35   // Calculate the offset from the constantPoolCacheOop to the f1
  36   // field.
  37   ByteSize f1_offset =
  38     constantPoolCacheOopDesc::entry_offset(index) +
  39     ConstantPoolCacheEntry::f1_offset();
  40 
  41   return in_bytes(f1_offset);
  42 }
  43 
  44 
  45 // ------------------------------------------------------------------
  46 // ciCPCache::is_f1_null_at
  47 bool ciCPCache::is_f1_null_at(int index) {
  48   VM_ENTRY_MARK;
  49   oop f1 = entry_at(index)->f1();
  50   return (f1 == NULL);
  51 }
  52 
  53 
  54 // ------------------------------------------------------------------
  55 // ciCPCache::get_pool_index
  56 int ciCPCache::get_pool_index(int index) {
  57   VM_ENTRY_MARK;
  58   ConstantPoolCacheEntry* e = entry_at(index);
  59   if (e->is_secondary_entry())
  60     e = entry_at(e->main_entry_index());
  61   return e->constant_pool_index();
  62 }
  63 
  64 
  65 // ------------------------------------------------------------------
  66 // ciCPCache::print
  67 //
  68 // Print debugging information about the cache.
  69 void ciCPCache::print() {
  70   Unimplemented();
   1 /*
   2  * Copyright (c) 2009, 2011, 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  *


  29 
  30 // ciCPCache
  31 
  32 // ------------------------------------------------------------------
  33 // ciCPCache::get_f1_offset
  34 size_t ciCPCache::get_f1_offset(int index) {
  35   // Calculate the offset from the constantPoolCacheOop to the f1
  36   // field.
  37   ByteSize f1_offset =
  38     constantPoolCacheOopDesc::entry_offset(index) +
  39     ConstantPoolCacheEntry::f1_offset();
  40 
  41   return in_bytes(f1_offset);
  42 }
  43 
  44 
  45 // ------------------------------------------------------------------
  46 // ciCPCache::is_f1_null_at
  47 bool ciCPCache::is_f1_null_at(int index) {
  48   VM_ENTRY_MARK;
  49   return entry_at(index)->is_f1_null();

  50 }
  51 
  52 
  53 // ------------------------------------------------------------------
  54 // ciCPCache::get_pool_index
  55 int ciCPCache::get_pool_index(int index) {
  56   VM_ENTRY_MARK;
  57   ConstantPoolCacheEntry* e = entry_at(index);
  58   if (e->is_secondary_entry())
  59     e = entry_at(e->main_entry_index());
  60   return e->constant_pool_index();
  61 }
  62 
  63 
  64 // ------------------------------------------------------------------
  65 // ciCPCache::print
  66 //
  67 // Print debugging information about the cache.
  68 void ciCPCache::print() {
  69   Unimplemented();
src/share/vm/ci/ciCPCache.cpp
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