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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - After r320437, lld links FreeBSD kernel incorrectly"
href="https://bugs.llvm.org/show_bug.cgi?id=35766">35766</a>
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<th>Summary</th>
<td>After r320437, lld links FreeBSD kernel incorrectly
</td>
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<th>Product</th>
<td>new-bugs
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>new bugs
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>dimitry@andric.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>Linking the FreeBSD kernel with recent lld, I noticed complaints from ctfmerge:
ERROR: ctfmerge: kernel.full.ctf: Cannot finalize temp file: Layout constraint
violation
Running GNU objcopy on such a kernel image shows:
/usr/local/bin/objcopy: kernel.test: section .init_array lma 0x1733000 adjusted
to 0x17330f0
/usr/local/bin/objcopy: kernel.test: section .fini_array lma 0x1733000 adjusted
to 0x17330f0
/usr/local/bin/objcopy: kernel.test: section .data.rel.ro lma 0x1733000
adjusted to 0x17330f0
/usr/local/bin/objcopy: kernel.test: section .preinit_array lma 0x1733000
adjusted to 0x17330f0
I bisected and found <a href="https://reviews.llvm.org/rL320437">https://reviews.llvm.org/rL320437</a> ("[ELF] Change default
output section type to SHT_NOBITS") to be the cause.
Maybe it is due to the linker script the FreeBSD kernel uses? I will attach or
upload the reproduction files.</pre>
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