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1 /*
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2 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.debugger.cdbg;
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26
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27 import sun.jvm.hotspot.debugger.*;
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28
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29 /** A LoadObject models a DSO/DLL/EXE; that is, an entity relocated by
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30 the run-time linker. */
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31
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32 public interface LoadObject {
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33 /** Base address at which this loadobject was relocated at run-time */
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34 public Address getBase();
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35
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36 /** Full path name of this loadobject */
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37 public String getName();
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38
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39 /** Size of the loadobject in bytes (determines the range of program
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40 counters and data contained within this loadobject) */
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41 public long getSize();
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42
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43 /** Returns a debug info database for this loadobject if debug info
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44 is present; otherwise, returns null. */
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45 public CDebugInfoDataBase getDebugInfoDataBase() throws DebuggerException;
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46
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47 /** Get debug information for the given program counter. PC must be
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48 contained within this loadobject or a DebuggerException is
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49 thrown. Returns null if there is no debug information available
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50 (i.e., because this is not a debug build). */
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51 public BlockSym debugInfoForPC(Address pc) throws DebuggerException;
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52
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53 /** Fetch the name of the closest exported symbol and the distance
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54 of the PC to that symbol. Returns null if the PC was not within
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55 this loadobject or if a symbol could not be found before this
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56 PC. FIXME: specify whether this is mangled/demangled. */
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57 public ClosestSymbol closestSymbolToPC(Address pc) throws DebuggerException;
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58
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59 /** Returns line number information for the given PC, including
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60 source file name (not specified whether this is an absolute or
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61 relative path) and start and end PCs for this line. Returns null
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62 if no line number information is available or if the given PC is
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63 not in this loadobject. */
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64 public LineNumberInfo lineNumberForPC(Address pc) throws DebuggerException;
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65 }
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