https://sourceware.org/bugzilla/show_bug.cgi?id=30355
Bug ID: 30355
Summary: [DWARFv5] readelf: loc_offset XX too big
Product: binutils
Version: 2.40
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: ndesaulniers at google dot com
Target Milestone: ---
When running readelf on a Linux kernel built with clang with
DEBUG_INFO_DWARF5=y and CONFIG_LTO_CLANG_FULL=y, I get a stream of warnings
related to loc_offset that I wasn't able to reproduce with llvm-dwarfdump.
This could be perhaps a bug in clang's encoding of loc_offset, but might also
be an issue in GNU readelf, or perhaps even somewhere else.
$ /usr/bin/readelf --debug-dump=info vmlinux 1>/dev/null
readelf: Warning: loc_offset 78 too big
...
even with an allnoconfig kernel with the above two configs re-enabled, the
resulting vmlinux size is 34M in size; probably too large to attach here?
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