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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Implement --only-keep-debug for ELF"
href="https://bugs.llvm.org/show_bug.cgi?id=41077">41077</a>
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<th>Summary</th>
<td>Implement --only-keep-debug for ELF
</td>
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<th>Product</th>
<td>tools
</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>Linux
</td>
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>llvm-objcopy
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>rupprecht@google.com
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<th>CC</th>
<td>alexander.v.shaposhnikov@gmail.com, jake.h.ehrlich@gmail.com, jh7370.2008@my.bristol.ac.uk, llvm-bugs@lists.llvm.org, rupprecht@google.com
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<p>
<div>
<pre>llvm-objcopy accepts the --only-keep-debug flag, but ignores it for ELF. (COFF
implements it here:
<a href="https://github.com/llvm/llvm-project/blob/master/llvm/tools/llvm-objcopy/COFF/COFFObjcopy.cpp#L112">https://github.com/llvm/llvm-project/blob/master/llvm/tools/llvm-objcopy/COFF/COFFObjcopy.cpp#L112</a>)
This supports a common workflow, e.g. as suggested by GNU man pages for
objcopy:
1. clang <...> -o foo
2. llvm-objcopy --only-keep-debug foo foo.dbg
3. llvm-objcopy --strip-debug foo
4. llvm-objcopy --add-gnu-debuglink=foo.dbg foo</pre>
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