22 lines
574 B
Bash
Executable File
22 lines
574 B
Bash
Executable File
#!/bin/bash
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# Copyright © 2019 Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
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# Use pahole to produce output from BTF and from DWARF, then do a diff
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# Use --flat_arrays with DWARF as BTF, like CTF, flattens arrays.
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if [ $# -eq 0 ] ; then
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echo "Usage: btfdiff <filename_with_BTF_and_DWARF_info>"
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exit 1
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fi
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file=$1
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btf_output=$(mktemp /tmp/btfdiff.XXXXXX)
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dwarf_output=$(mktemp /tmp/btfdiff.XXXXXX)
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pahole -F dwarf --flat_arrays $file > $dwarf_output
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pahole -F btf $file > $btf_output
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diff -up $dwarf_output $btf_output
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rm -f $btf_output $dwarf_output
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exit 0
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