Mercurial > hg > graal-jvmci-8
view agent/src/share/classes/sun/jvm/hotspot/debugger/win32/coff/DebugVC50SrcModFileDesc.java @ 642:660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp
author | kvn |
---|---|
date | Thu, 12 Mar 2009 10:37:46 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2001 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. * */ package sun.jvm.hotspot.debugger.win32.coff; /** Describes code segments that receive code from a given source file. See {@link sun.jvm.hotspot.debugger.win32.coff.DebugVC50SSSrcModule}. */ public interface DebugVC50SrcModFileDesc { /** The number of code segments receiving code from this module. */ public int getNumCodeSegments(); /** Get the <i>i</i>th (0..getNumCodeSegments() - 1) line number/address map for the given segment. */ public DebugVC50SrcModLineNumberMap getLineNumberMap(int i); /** Get <i>i</i>th (0..getNumCodeSegments() - 1) start offset, within a segment, of code contributed to that segment. If this and the end offset are both 0, the start/end offsets are not known and the file and line tables must be examined to find information about the program counter of interest. */ public int getSegmentStartOffset(int i); /** Get <i>i</i>th (0..getNumCodeSegments() - 1) end offset, within a segment, of code contributed to that segment. If this and the start offset are both 0, the start/end offsets are not known and the file and line tables must be examined to find information about the program counter of interest. */ public int getSegmentEndOffset(int i); /** Source file name. This can be a fully or partially qualified path name. */ public String getSourceFileName(); }