jdk8-mips64-public/hotspot: src/share/vm/oops/objArrayKlass.inline.hpp@d1896d1dda3e (annotated)

src/share/vm/oops/objArrayKlass.inline.hpp@d1896d1dda3e (annotated)

src/share/vm/oops/objArrayKlass.inline.hpp

Sat, 30 Oct 2010 11:45:35 -0700

author: jrose
date: Sat, 30 Oct 2010 11:45:35 -0700
changeset 2265: d1896d1dda3e
parent 1907: c18cbe5936b8
child 2314: f95d63e2154a
permissions: -rw-r--r--

6981788: GC map generator sometimes picks up the wrong kind of instruction operand
Summary: Distinguish pool indexes from cache indexes in recently changed code.
Reviewed-by: never

 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 void objArrayKlass::oop_follow_contents(oop obj, int index) {
   if (UseCompressedOops) {
     objarray_follow_contents<narrowOop>(obj, index);
   } else {
     objarray_follow_contents<oop>(obj, index);
   }
 }
 template <class T>
 void objArrayKlass::objarray_follow_contents(oop obj, int index) {
   objArrayOop a = objArrayOop(obj);
   const size_t len = size_t(a->length());
   const size_t beg_index = size_t(index);
   assert(beg_index < len || len == 0, "index too large");
   const size_t stride = MIN2(len - beg_index, ObjArrayMarkingStride);
   const size_t end_index = beg_index + stride;
   T* const base = (T*)a->base();
   T* const beg = base + beg_index;
   T* const end = base + end_index;
   // Push the non-NULL elements of the next stride on the marking stack.
   for (T* e = beg; e < end; e++) {
     MarkSweep::mark_and_push<T>(e);
   }
   if (end_index < len) {
     MarkSweep::push_objarray(a, end_index); // Push the continuation.
   }
 }
 #ifndef SERIALGC
 void objArrayKlass::oop_follow_contents(ParCompactionManager* cm, oop obj,
                                         int index) {
   if (UseCompressedOops) {
     objarray_follow_contents<narrowOop>(cm, obj, index);
   } else {
     objarray_follow_contents<oop>(cm, obj, index);
   }
 }
 template <class T>
 void objArrayKlass::objarray_follow_contents(ParCompactionManager* cm, oop obj,
                                              int index) {
   objArrayOop a = objArrayOop(obj);
   const size_t len = size_t(a->length());
   const size_t beg_index = size_t(index);
   assert(beg_index < len || len == 0, "index too large");
   const size_t stride = MIN2(len - beg_index, ObjArrayMarkingStride);
   const size_t end_index = beg_index + stride;
   T* const base = (T*)a->base();
   T* const beg = base + beg_index;
   T* const end = base + end_index;
   // Push the non-NULL elements of the next stride on the marking stack.
   for (T* e = beg; e < end; e++) {
     PSParallelCompact::mark_and_push<T>(cm, e);
   }
   if (end_index < len) {
     cm->push_objarray(a, end_index); // Push the continuation.
   }
 }
 #endif // #ifndef SERIALGC

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src/share/vm/oops/objArrayKlass.inline.hpp@d1896d1dda3e (annotated)

src/share/vm/oops/objArrayKlass.inline.hpp