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powerpc: unrel_branch_check.sh: simplify and tidy up the final loop

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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200811140435.20957-6-sfr@canb.auug.org.au
This commit is contained in:
Stephen Rothwell 2020-08-12 00:04:32 +10:00 committed by Michael Ellerman
parent 3d97abbc9f
commit b84eaab6ed
1 changed files with 10 additions and 16 deletions
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26
arch/powerpc/tools/unrel_branch_check.sh
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@ -25,7 +25,6 @@ $objdump -R -d --start-address="$kstart" --stop-address="$kend" "$vmlinux" |
awk '$2 == "<__end_interrupts>:" { print $1 }'
)
BRANCHES=$(
$objdump -R -D --no-show-raw-insn --start-address="$kstart" --stop-address="$end_intr" "$vmlinux" |
sed -E -n '
# match lines that start with a kernel address
@ -45,24 +44,19 @@ sed -E -n '
# strip out condition registers
s/:0xcr[0-7],/:0x/
p
}'
)
for tuple in $BRANCHES; do
from=$(echo "$tuple" | cut -d':' -f1)
branch=$(echo "$tuple" | cut -d':' -f2)
to=$(echo "$tuple" | cut -d':' -f3)
sym=$(echo "$tuple" | cut -d':' -f4)
}' | {
all_good=true
while IFS=: read -r from branch to sym; do
if (( to > end_intr )); then
if [ -z "$bad_branches" ]; then
echo "WARNING: Unrelocated relative branches"
bad_branches="yes"
if $all_good; then
printf '%s\n' 'WARNING: Unrelocated relative branches'
all_good=false
fi
echo "$from $branch-> $to $sym"
printf '%s %s-> %s %s\n' "$from" "$branch" "$to" "$sym"
fi
done
if [ -z "$bad_branches" ]; then
exit 0
fi
$all_good
}