[mirror_ubuntu-bionic-kernel.git] / debian / scripts / retpoline-extract

#!/bin/bash

cd "$1" || exit 1

# Find all valid retpoline information, collate the detected and
# safe information together.  Join the result to find the detected
# but non-safe elements.  These are our concern.
tmp="/tmp/retpoline-check.$$"
find "." -path './drivers/firmware/efi/libstub' -prune -o \
	 -path './arch/x86/boot' -prune -o \
	 -path './arch/x86/purgatory' -prune -o \
	 -name \*.ur-detected | xargs cat | \
	sed -e "s@^$1@@" -e "s@ $2/@ @" -e "s@^/@@" | \
	sort -k 1b,1 >"$tmp.ur-detected"
find "." -name \*.ur-safe | xargs cat | \
	sed -e "s@^$1@@" -e "s@^/@@" | \
	sort -k 1b,1 >"$tmp.ur-safe"

join -v 1 -j 1 "$tmp.ur-detected" "$tmp.ur-safe" | sed -s 's/[^ ]*  *//'

rm -f "$tmp".*
Commit	Line	Data
0fa05ca6 AW	1	#!/bin/bash
	2
	3	cd "$1" \|\| exit 1
	4
1e390209 AW	5	# Find all valid retpoline information, collate the detected and
	6	# safe information together. Join the result to find the detected
	7	# but non-safe elements. These are our concern.
	8	tmp="/tmp/retpoline-check.$$"
	9	find "." -path './drivers/firmware/efi/libstub' -prune -o \
	10	-path './arch/x86/boot' -prune -o \
	11	-path './arch/x86/purgatory' -prune -o \
	12	-name \*.ur-detected \| xargs cat \| \
	13	sed -e "s@^$1@@" -e "s@ $2/@ @" -e "s@^/@@" \| \
	14	sort -k 1b,1 >"$tmp.ur-detected"
	15	find "." -name \*.ur-safe \| xargs cat \| \
	16	sed -e "s@^$1@@" -e "s@^/@@" \| \
	17	sort -k 1b,1 >"$tmp.ur-safe"
	18
	19	join -v 1 -j 1 "$tmp.ur-detected" "$tmp.ur-safe" \| sed -s 's/[^ ]* *//'
	20
	21	rm -f "$tmp".*