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comparison src/share/tools/hsdis/README @ 18041:52b4284cb496

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Merge with jdk8u20-b26
author Gilles Duboscq <duboscq@ssw.jku.at>
date Wed, 15 Oct 2014 16:02:50 +0200
parents 4ca6dc0799b6
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17606:45d7b2c7029d 18041:52b4284cb496
1 Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved. 1 Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
2 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 2 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 3
4 This code is free software; you can redistribute it and/or modify it 4 This code is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License version 2 only, as 5 under the terms of the GNU General Public License version 2 only, as
6 published by the Free Software Foundation. 6 published by the Free Software Foundation.
52 "make both" will build them both at once. "make all64" will 52 "make both" will build them both at once. "make all64" will
53 explicitly build the 64 bit version. By default this will build the 53 explicitly build the 64 bit version. By default this will build the
54 disassembler library only. If you build demo it will build a demo 54 disassembler library only. If you build demo it will build a demo
55 program that attempts to exercise the library. 55 program that attempts to exercise the library.
56 56
57 With recent version of binutils (i.e. binutils-2.23.2) you may get the
58 following build error:
59
60 WARNING: `makeinfo' is missing on your system. You should only need it if
61 you modified a `.texi' or `.texinfo' file, or any other file
62 ...
63
64 This is because of "Bug 15345 - binutils-2.23.2 tarball doesn't build
65 without makeinfo" [2]. The easiest way to work around this problem is
66 by doing a "touch $BINUTILS/bfd/doc/bfd.info".
67
57 Windows 68 Windows
58 69
59 In theory this should be buildable on Windows but getting a working 70 In theory this should be buildable on Windows but getting a working
60 GNU build environment on Windows has proven difficult. MINGW should 71 GNU build environment on Windows has proven difficult. MINGW should
61 be able to do it but at the time of this writing I was unable to get 72 be able to do it but at the time of this writing I was unable to get
99 dargs=$dargs' -XX:PrintAssemblyOptions=hsdis-print-bytes' 110 dargs=$dargs' -XX:PrintAssemblyOptions=hsdis-print-bytes'
100 java $dargs -Xbatch CompileCommand=print,*String.hashCode HelloWorld 111 java $dargs -Xbatch CompileCommand=print,*String.hashCode HelloWorld
101 112
102 If the product mode of the JVM does not accept -XX:+PrintAssembly, 113 If the product mode of the JVM does not accept -XX:+PrintAssembly,
103 you do not have a version new enough to use the hsdis plugin. 114 you do not have a version new enough to use the hsdis plugin.
115
116 * Wiki
117
118 More information can be found in the OpenJDK HotSpot Wiki [1].
119
120
121 Resources:
122
123 [1] https://wiki.openjdk.java.net/display/HotSpot/PrintAssembly
124 [2] http://sourceware.org/bugzilla/show_bug.cgi?id=15345