Mercurial > hg > graal-jvmci-8
annotate agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/AddressDataSource.java @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
author | trims |
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date | Thu, 27 May 2010 19:08:38 -0700 |
parents | a61af66fc99e |
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0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.debugger.windbg; | |
26 | |
27 import java.io.*; | |
28 import sun.jvm.hotspot.debugger.*; | |
29 import sun.jvm.hotspot.debugger.win32.coff.*; | |
30 | |
31 public class AddressDataSource implements DataSource { | |
32 public AddressDataSource(Address addr) { | |
33 this.addr = addr; | |
34 offset = 0; | |
35 } | |
36 | |
37 public byte readByte() throws IOException { | |
38 try { | |
39 byte res = (byte) addr.getCIntegerAt(offset, 1, false); | |
40 ++offset; | |
41 return res; | |
42 } catch (UnmappedAddressException e) { | |
43 throw (IOException) new IOException("Unmapped address at 0x" + Long.toHexString(e.getAddress())).initCause(e); | |
44 } catch (DebuggerException e) { | |
45 throw (IOException) new IOException().initCause(e); | |
46 } | |
47 } | |
48 | |
49 public short readShort() throws IOException { | |
50 // NOTE: byte swapping is taken care of at the COFFFileImpl level | |
51 int b1 = readByte() & 0xFF; | |
52 int b2 = readByte() & 0xFF; | |
53 return (short) ((b1 << 8) | b2); | |
54 } | |
55 | |
56 public int readInt() throws IOException { | |
57 // NOTE: byte swapping is taken care of at the COFFFileImpl level | |
58 int b1 = ((int) readByte()) & 0xFF; | |
59 int b2 = ((int) readByte()) & 0xFF; | |
60 int b3 = ((int) readByte()) & 0xFF; | |
61 int b4 = ((int) readByte()) & 0xFF; | |
62 return ((b1 << 24) | (b2 << 16) | (b3 << 8) | b4); | |
63 } | |
64 | |
65 public long readLong() throws IOException { | |
66 // NOTE: byte swapping is taken care of at the COFFFileImpl level | |
67 long b1 = ((long) readByte()) & 0xFFL; | |
68 long b2 = ((long) readByte()) & 0xFFL; | |
69 long b3 = ((long) readByte()) & 0xFFL; | |
70 long b4 = ((long) readByte()) & 0xFFL; | |
71 long b5 = ((long) readByte()) & 0xFFL; | |
72 long b6 = ((long) readByte()) & 0xFFL; | |
73 long b7 = ((long) readByte()) & 0xFFL; | |
74 long b8 = ((long) readByte()) & 0xFFL; | |
75 return (((((b1 << 24) | (b2 << 16) | (b3 << 8) | b4)) << 32) | | |
76 ((((b5 << 24) | (b6 << 16) | (b7 << 8) | b8)))); | |
77 } | |
78 | |
79 public int read(byte[] b) throws IOException { | |
80 for (int i = 0; i < b.length; i++) { | |
81 b[i] = readByte(); | |
82 } | |
83 return b.length; | |
84 } | |
85 | |
86 public void seek(long pos) throws IOException { | |
87 offset = pos; | |
88 } | |
89 | |
90 public long getFilePointer() throws IOException { | |
91 return offset; | |
92 } | |
93 | |
94 public void close() throws IOException { | |
95 } | |
96 | |
97 private Address addr; | |
98 private long offset; | |
99 } |