https://bugs.llvm.org/show_bug.cgi?id=41077
Bug ID: 41077
Summary: Implement --only-keep-debug for ELF
Product: tools
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: llvm-objcopy
Assignee: unassignedb...@nondot.org
Reporter: ruppre...@google.com
CC: alexander.v.shaposhni...@gmail.com,
jake.h.ehrl...@gmail.com,
jh7370.2...@my.bristol.ac.uk,
llvm-bugs@lists.llvm.org, ruppre...@google.com
llvm-objcopy accepts the --only-keep-debug flag, but ignores it for ELF. (COFF
implements it here:
https://github.com/llvm/llvm-project/blob/master/llvm/tools/llvm-objcopy/COFF/COFFObjcopy.cpp#L112)
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
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