diff options
| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2020-08-12 00:04:31 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-09-02 11:00:22 +1000 |
| commit | 3d97abbc9f6fe90973551f3e3eef47ffef863114 (patch) | |
| tree | a5be4e4422e4e2ee5e4bf1d4658083272bdbe823 /arch/powerpc/tools | |
| parent | 4e71106c343c625c0bf72a65b244e35e7d2cd037 (diff) | |
powerpc: unrel_branch_check.sh: convert grep | sed | awk to just sed
Also start using sed -E and make all the separate expressions into a
single one with comments. Pull the stripping of condition registers
back into the sed command.
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/20200811140435.20957-5-sfr@canb.auug.org.au
Diffstat (limited to 'arch/powerpc/tools')
| -rwxr-xr-x | arch/powerpc/tools/unrel_branch_check.sh | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/arch/powerpc/tools/unrel_branch_check.sh b/arch/powerpc/tools/unrel_branch_check.sh index 7e936e2cf70d..dc82289b2252 100755 --- a/arch/powerpc/tools/unrel_branch_check.sh +++ b/arch/powerpc/tools/unrel_branch_check.sh @@ -27,21 +27,31 @@ awk '$2 == "<__end_interrupts>:" { print $1 }' BRANCHES=$( $objdump -R -D --no-show-raw-insn --start-address="$kstart" --stop-address="$end_intr" "$vmlinux" | -grep -e "^c[0-9a-f]*:\s*b" | -sed -e '/\<__start_initialization_multiplatform>/d' \ - -e '/b.\?.\?ctr/d' \ - -e '/b.\?.\?lr/d' \ - -e 's/\bbt.\?\s*[[:digit:]][[:digit:]]*,/beq/' \ - -e 's/\bbf.\?\s*[[:digit:]][[:digit:]]*,/bne/' \ - -e 's/\s0x/ /' \ - -e 's/://' | -awk '{ print $1 ":" $2 ":0x" $3 ":" $4 " "}' +sed -E -n ' +# match lines that start with a kernel address +/^c[0-9a-f]*:\s*b/ { + # drop a target that we do not care about + /\<__start_initialization_multiplatform>/d + # drop branches via ctr or lr + /\<b.?.?(ct|l)r/d + # cope with some differences between Clang and GNU objdumps + s/\<bt.?\s*[[:digit:]]+,/beq/ + s/\<bf.?\s*[[:digit:]]+,/bne/ + # tidy up + s/\s0x/ / + s/:// + # format for the loop below + s/^(\S+)\s+(\S+)\s+(\S+)\s*(\S*).*$/\1:\2:0x\3:\4/ + # 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 "$tuple" | cut -d':' -f3 | sed 's/cr[0-7],//') + to=$(echo "$tuple" | cut -d':' -f3) sym=$(echo "$tuple" | cut -d':' -f4) if (( to > end_intr )); then |