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1 /*
2  * Copyright (C) 2007 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.ddmlib;
18 
19 /**
20  * Memory address to library mapping for native libraries.
21  * <p/>
22  * Each instance represents a single native library and its start and end memory addresses.
23  */
24 public final class NativeLibraryMapInfo {
25     private long mStartAddr;
26     private long mEndAddr;
27 
28     private String mLibrary;
29 
30     /**
31      * Constructs a new native library map info.
32      * @param startAddr The start address of the library.
33      * @param endAddr The end address of the library.
34      * @param library The name of the library.
35      */
NativeLibraryMapInfo(long startAddr, long endAddr, String library)36     NativeLibraryMapInfo(long startAddr, long endAddr, String library) {
37         this.mStartAddr = startAddr;
38         this.mEndAddr = endAddr;
39         this.mLibrary = library;
40     }
41 
42     /**
43      * Returns the name of the library.
44      */
getLibraryName()45     public String getLibraryName() {
46         return mLibrary;
47     }
48 
49     /**
50      * Returns the start address of the library.
51      */
getStartAddress()52     public long getStartAddress() {
53         return mStartAddr;
54     }
55 
56     /**
57      * Returns the end address of the library.
58      */
getEndAddress()59     public long getEndAddress() {
60         return mEndAddr;
61     }
62 
63     /**
64      * Returns whether the specified address is inside the library.
65      * @param address The address to test.
66      * @return <code>true</code> if the address is between the start and end address of the library.
67      * @see #getStartAddress()
68      * @see #getEndAddress()
69      */
isWithinLibrary(long address)70     public boolean isWithinLibrary(long address) {
71         return address >= mStartAddr && address <= mEndAddr;
72     }
73 }
74