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authorStephen Rothwell <sfr@canb.auug.org.au>2020-08-12 00:04:29 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2020-09-02 11:00:21 +1000
commit20ff8ec182160df86571a8af5773ff1e52837d73 (patch)
treeb5d1695e8aa9189fcb7c0a3f02983ca738cccf49 /arch/powerpc/tools
parentd9de6b0da85c9f51734f7648f6e860b89f94c801 (diff)
powerpc: unrel_branch_check.sh: simplify and combine some executions
Also some minor style changes. There should still be no change in behaviour. 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/20200811140435.20957-3-sfr@canb.auug.org.au
Diffstat (limited to 'arch/powerpc/tools')
-rwxr-xr-xarch/powerpc/tools/unrel_branch_check.sh25
1 files changed, 11 insertions, 14 deletions
diff --git a/arch/powerpc/tools/unrel_branch_check.sh b/arch/powerpc/tools/unrel_branch_check.sh
index 4c1e04ba5081..d735e3875b5e 100755
--- a/arch/powerpc/tools/unrel_branch_check.sh
+++ b/arch/powerpc/tools/unrel_branch_check.sh
@@ -17,37 +17,34 @@ objdump="$1"
vmlinux="$2"
#__end_interrupts should be located within the first 64K
+kstart=0xc000000000000000
+printf -v kend '0x%x' $(( kstart + 0x10000 ))
end_intr=0x$(
-$objdump -R "$vmlinux" -d --start-address=0xc000000000000000 \
- --stop-address=0xc000000000010000 |
-grep '\<__end_interrupts>:' |
-awk '{print $1}'
+$objdump -R -d --start-address="$kstart" --stop-address="$kend" "$vmlinux" |
+awk '$2 == "<__end_interrupts>:" { print $1 }'
)
BRANCHES=$(
-$objdump -R "$vmlinux" -D --start-address=0xc000000000000000 \
- --stop-address="$end_intr" |
+$objdump -R -D --start-address="$kstart" --stop-address="$end_intr" "$vmlinux" |
grep -e "^c[0-9a-f]*:[[:space:]]*\([0-9a-f][0-9a-f][[:space:]]\)\{4\}[[:space:]]*b" |
-grep -v '\<__start_initialization_multiplatform>' |
-grep -v -e 'b.\?.\?ctr' |
-grep -v -e 'b.\?.\?lr' |
-sed -e 's/\bbt.\?[[:space:]]*[[:digit:]][[:digit:]]*,/beq/' \
+sed -e '/\<__start_initialization_multiplatform>/d' \
+ -e '/b.\?.\?ctr/d' \
+ -e '/b.\?.\?lr/d' \
+ -e 's/\bbt.\?[[:space:]]*[[:digit:]][[:digit:]]*,/beq/' \
-e 's/\bbf.\?[[:space:]]*[[:digit:]][[:digit:]]*,/bne/' \
-e 's/[[:space:]]0x/ /' \
-e 's/://' |
awk '{ print $1 ":" $6 ":0x" $7 ":" $8 " "}'
)
-for tuple in $BRANCHES
-do
+for tuple in $BRANCHES; do
from=$(echo "$tuple" | cut -d':' -f1)
branch=$(echo "$tuple" | cut -d':' -f2)
to=$(echo "$tuple" | cut -d':' -f3 | sed 's/cr[0-7],//')
sym=$(echo "$tuple" | cut -d':' -f4)
- if (( to > end_intr ))
- then
+ if (( to > end_intr )); then
if [ -z "$bad_branches" ]; then
echo "WARNING: Unrelocated relative branches"
bad_branches="yes"