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- #!/bin/sh
- # SPDX-License-Identifier: GPL-2.0-or-later
- # Get a list of all the relocations, remove from it the relocations
- # that are known to be legitimate and return this list to arch specific
- # script that will look for suspicious relocations.
- objdump="$1"
- nm="$2"
- vmlinux="$3"
- # Remove from the possible bad relocations those that match an undefined
- # weak symbol which will result in an absolute relocation to 0.
- # Weak unresolved symbols are of that form in nm output:
- # " w _binary__btf_vmlinux_bin_end"
- undef_weak_symbols=$($nm "$vmlinux" | awk '$1 ~ /w/ { print $2 }')
- $objdump -R "$vmlinux" |
- grep -E '\<R_' |
- ([ "$undef_weak_symbols" ] && grep -F -w -v "$undef_weak_symbols" || cat)
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