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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW " title="NEW --- - JITs should register unwind information (xdata) on Win64 to make longjmp and exceptions work" href="https://urldefense.proofpoint.com/v2/url?u=https-3A__llvm.org_bugs_show-5Fbug.cgi-3Fid-3D24233&d=AwMBaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=pF93YEPyB-J_PERP4DUZOJDzFVX5ZQ57vQk33wu0vio&m=Q8UC8NCOx0MTSdR4FQqRcRwXpH9vNYb7Y0n63gjvYPA&s=fTZeC6a90EF1FO92EW2YNEvyHzjb_oQ_Y8xDGEb2vEQ&e=">24233</a>
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<th>Summary</th>
<td>JITs should register unwind information (xdata) on Win64 to make longjmp and exceptions work
</td>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>MCJIT
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>rnk@google.com
</td>
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<th>CC</th>
<td>andya@microsoft.com, lhames@gmail.com, llvmbugs@cs.uiuc.edu
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Currently RTDyldMemoryManager::registerEHFrames() implements this on Mac and
Linux, but we need the same support for Win64. It involves calling
RtlInstallFunctionTableCallback or RtlAddFunctionTable, as described on MSDN at
<a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__msdn.microsoft.com_en-2Dus_library_ft9x1kdx.aspx-3Ff-3D255-26MSPPError-3D-2D2147217396&d=AwMBaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=pF93YEPyB-J_PERP4DUZOJDzFVX5ZQ57vQk33wu0vio&m=Q8UC8NCOx0MTSdR4FQqRcRwXpH9vNYb7Y0n63gjvYPA&s=MjK50W-sRSpBTvqrBYEyJfCCWhcBVFvBKlyCD1yhChg&e=">https://msdn.microsoft.com/en-us/library/ft9x1kdx.aspx?f=255&MSPPError=-2147217396</a>.</pre>
</div>
</p>
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