Mercurial > hg > graal-compiler
view src/share/vm/code/pcDesc.cpp @ 616:4f360ec815ba
6720309: G1: don't synchronously update RSet during evacuation pauses
6720334: G1: don't update RSets of collection set regions during an evacuation pause
Summary: Introduced a deferred update mechanism for delaying the rset updates during the collection pause
Reviewed-by: apetrusenko, tonyp
author | iveresov |
---|---|
date | Fri, 06 Mar 2009 13:50:14 -0800 |
parents | a61af66fc99e |
children | 72088be4b386 |
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/* * Copyright 1997-2005 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. * */ # include "incls/_precompiled.incl" # include "incls/_pcDesc.cpp.incl" PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) { _pc_offset = pc_offset; _scope_decode_offset = scope_decode_offset; _obj_decode_offset = obj_decode_offset; } address PcDesc::real_pc(const nmethod* code) const { return code->instructions_begin() + pc_offset(); } void PcDesc::print(nmethod* code) { #ifndef PRODUCT ResourceMark rm; tty->print_cr("PcDesc(pc=0x%lx offset=%x):", real_pc(code), pc_offset()); if (scope_decode_offset() == DebugInformationRecorder::serialized_null) { return; } for (ScopeDesc* sd = code->scope_desc_at(real_pc(code)); sd != NULL; sd = sd->sender()) { tty->print(" "); sd->method()->print_short_name(tty); tty->print(" @%d", sd->bci()); tty->cr(); } #endif } bool PcDesc::verify(nmethod* code) { //Unimplemented(); return true; }