Mercurial > hg > graal-compiler
view src/share/vm/runtime/stackValueCollection.hpp @ 1091:6aa7255741f3
6906727: UseCompressedOops: some card-marking fixes related to object arrays
Summary: Introduced a new write_ref_array(HeapWords* start, size_t count) method that does the requisite MemRegion range calculation so (some of the) clients of the erstwhile write_ref_array(MemRegion mr) do not need to worry. This removed all external uses of array_size(), which was also simplified and made private. Asserts were added to catch other possible issues. Further, less essential, fixes stemming from this investigation are deferred to CR 6904516 (to follow shortly in hs17).
Reviewed-by: kvn, coleenp, jmasa
author | ysr |
---|---|
date | Thu, 03 Dec 2009 15:01:57 -0800 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
line wrap: on
line source
/* * Copyright 2001-2002 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ class StackValueCollection : public ResourceObj { private: GrowableArray<StackValue*>* _values; public: StackValueCollection() { _values = new GrowableArray<StackValue*>(); } StackValueCollection(int length) { _values = new GrowableArray<StackValue*>(length); } void add(StackValue *val) const { _values->push(val); } int size() const { return _values->length(); } bool is_empty() const { return (size() == 0); } StackValue* at(int i) const { return _values->at(i); } // Get typed locals/expressions jint int_at(int slot) const; jlong long_at(int slot) const; Handle obj_at(int slot) const; jfloat float_at(int slot) const; jdouble double_at(int slot) const; // Set typed locals/expressions void set_int_at(int slot, jint value); void set_long_at(int slot, jlong value); void set_obj_at(int slot, Handle value); void set_float_at(int slot, jfloat value); void set_double_at(int slot, jdouble value); void print(); };