forked from OSchip/llvm-project
Update the status page to include Linux status information,
patch from Dan Malea, daniel.malea@intel.com. llvm-svn: 167605
This commit is contained in:
Jason Molenda
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1fefe417f0
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
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<link href="style.css" rel="stylesheet" type="text/css" />
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<title>LLDB Status</title>
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</head>
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<body>
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<div class="www_title">
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The <strong>LLDB</strong> Debugger
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</div>
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<div id="container">
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<div id="content">
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<!--#include virtual="sidebar.incl"-->
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<div id="middle">
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<div class="post">
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<h1 class ="postheader">Status</h1>
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<div class="postcontent">
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<p>LLDB has matured a lot in the last year and can be used for
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C, C++ and Objective C development for x86_64, i386 and ARM debugging.
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The entire public API is exposed though a framework on Mac OS X which
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is used by Xcode, the lldb command line tool, and can also be used by
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python. The entire public API is exposed through script bridging which
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allows LLDB to use an embedded python script interpreter, as well as
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having a python module named "lldb" which can be used from python
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on the command line. This allows debug sessions to be scripted. It also
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allows powerful debugging actions to be created and attached to a variety
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of debugging workflows.</p>
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<p>What works well:</p>
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<ul>
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<li>Process control, including external process control via debugserver
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(which is included as part of the lldb project)</li>
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<li>Breakpoints: Source-line, symbolic, C++ mangled names, module
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scoping</li>
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<li>Symbol reading and object file introspection</li>
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<li>Script bridging</li>
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<li>Thread inspection and stepping</li>
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<li>Disassembly of i386, x86-64, & ARM/Thumb machine code</li>
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<li>Backtracing of i386, x86-64, & ARM/Thumb machine code</li>
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<li>libedit powers the command line prompt and input
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<li>Objective-C 2.0 Support: Printing properties, synthetic properties,
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Objective-C expressions, KVO, dynamic types, dot syntax, runtime data</li>
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<li>C++ support: method access, template support, dynamic types</li>
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<li>The public API to the library</li>
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<li>Expression evaluation</li>
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<li>Objective-C support: stepping into/over, printing the description of
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an object ("po")</li>
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</ul>
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</div>
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<div class="postfooter"></div>
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</div>
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</div>
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</div>
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</div>
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</body>
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</html>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
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<link href="style.css" rel="stylesheet" type="text/css" />
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<title>LLDB Status</title>
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</head>
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<body>
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<div class="www_title">
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The <strong>LLDB</strong> Debugger
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</div>
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<div id="container">
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<div id="content">
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<!--#include virtual="sidebar.incl"-->
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<div id="middle">
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<div class="post">
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<h1 class ="postheader">Mac OS X Status</h1>
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<div class="postcontent">
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<p>LLDB has matured a lot in the last year and can be used for
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C, C++ and Objective C development for x86_64, i386 and ARM debugging.
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The entire public API is exposed though a framework on Mac OS X which
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is used by Xcode, the lldb command line tool, and can also be used by
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Python. The entire public API is exposed through script bridging which
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allows LLDB to use an embedded Python script interpreter, as well as
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having a Python module named "lldb" which can be used from Python
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on the command line. This allows debug sessions to be scripted. It also
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allows powerful debugging actions to be created and attached to a variety
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of debugging workflows.</p>
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</div>
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<h1 class ="postheader">Linux Status</h1>
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<div class="postcontent">
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<p> LLDB is improving on Linux. While the debugserver is not ported
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(to enable remote debugging) and there are some stability issues, most
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of the basic functionality, including the Python API and the commandline tool,
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are working on i386/x86_64 architectures. ARM architectures on Linux are untested.
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For more details, see the Features by OS section below.
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</div>
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<h1 class ="postheader">Features by OS</h1>
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<div class="postcontent">
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<p> The table below shows a summary of the features that are available
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on several platforms. In addition to Linux and Mac OS X, LLDB is also
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known to work on FreeBSD. Windows support is under development.
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<table border="1">
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<tr>
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<th>Feature</th>
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<th>Linux<br>(i386 and x86_64)</th>
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<th>Mac OS X (i386/x86_64 and ARM/Thumb)</th>
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</tr>
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<tr>
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<td>Backtracing</td>
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<td>OK</td>
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<td>OK</td>
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</tr>
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<tr>
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<td>Breakpoints
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<ul>
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<li>source-line
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<li>symbolic
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<li>C++ mangled names
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<li>module scoping
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</ul>
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</td>
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<td>OK except on C++ exception (catch/throw)</td>
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<td>OK</td>
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</tr>
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<tr>
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<td>C++11:
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<ul>
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<li>function access
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<li>template support
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<li>dynamic types
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</ul></td>
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<td>OK</td>
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<td>OK</td>
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</tr>
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<tr>
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<td>Commandline lldb tool</td>
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<td>OK</td>
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<td>OK</td>
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</tr>
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<tr>
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<td>Debugserver (remote debugging)</td>
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<td>Not ported</td>
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<td>OK</td>
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</tr>
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<tr>
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<td>Disassembly</td>
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<td>OK</td>
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<td>OK</td>
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</tr>
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<tr>
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<td>Expression evaluation</td>
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<td>Works with some bugs</td>
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<td>OK</td>
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</tr>
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<tr>
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<td>Objective-C 2.0:
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<ul>
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<li>printing properties
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<li>synthetic properties
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<li>expressions
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<li>KVO
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<li>dynamic types
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<li>dot syntax
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<li>runtime data
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<li>stepping into/over
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<li>printing the description of an object ("po")
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</ul></td>
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<td>Untested</td>
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<td>OK</td>
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</tr>
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<tr>
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<td>Process control
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<ul>
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<li>launch
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<li>attach
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<li>continue
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</ul>
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</td>
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<td>OK except attach-by-name </td>
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<td>OK</td>
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</tr>
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<tr>
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<td>Public Python API</td>
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<td>OK</td>
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<td>OK</td>
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</tr>
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<tr>
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<td>Script bridging</td>
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<td>OK</td>
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<td>OK</td>
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</tr>
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<tr>
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<td>Symbol reading and object file introspection</td>
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<td>OK</td>
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<td>OK</td>
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</tr>
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<tr>
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<td>Thread inspection and stepping</td>
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<td>OK for single thread (no multi-threaded support)</td>
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<td>OK</td>
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</tr>
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<tr>
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<td>Watchpoints</td>
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<td>Broken</td>
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<td>OK</td>
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</tr>
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</table>
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</div>
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<div class="postfooter"></div>
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</div>
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</div>
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</div>
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</div>
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</body>
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</html>
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