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#!/usr/bin/env bash
#
# Script that prints information about generated code in TSan runtime.
set -e
set -u
if [[ "$#" != 1 ]]; then
echo "Usage: $0 /path/to/binary/built/with/tsan"
exit 1
fi
get_asm() {
grep __tsan_$1.: -A 10000 ${OBJDUMP_CONTENTS} | \
awk "/[^:]$/ {print;} />:/ {c++; if (c == 2) {exit}}"
}
list="write1 \
write2 \
write4 \
write8 \
read1 \
read2 \
read4 \
read8 \
func_entry \
func_exit"
BIN=$1
OUTPUT_DIR=$(mktemp -t -d analyze_libtsan_out.XXXXXXXX)
OBJDUMP_CONTENTS=${OUTPUT_DIR}/libtsan_objdump
NM_CONTENTS=${OUTPUT_DIR}/libtsan_nm
objdump -d $BIN > ${OBJDUMP_CONTENTS}
nm -S $BIN | grep "__tsan_" > ${NM_CONTENTS}
for f in $list; do
file=${OUTPUT_DIR}/asm_$f.s
get_asm $f > $file
tot=$(wc -l < $file)
size=$(grep __tsan_$f$ ${NM_CONTENTS} | awk --non-decimal-data '{print ("0x"$2)+0}')
rsp=$(grep '(%rsp)' $file | wc -l)
push=$(grep 'push' $file | wc -l)
pop=$(grep 'pop' $file | wc -l)
call=$(grep 'call' $file | wc -l)
load=$(egrep 'mov .*\,.*\(.*\)|cmp .*\,.*\(.*\)' $file | wc -l)
store=$(egrep 'mov .*\(.*\),' $file | wc -l)
mov=$(grep 'mov' $file | wc -l)
lea=$(grep 'lea' $file | wc -l)
sh=$(grep 'shr\|shl' $file | wc -l)
cmp=$(grep 'cmp\|test' $file | wc -l)
printf "%10s tot %3d; size %4d; rsp %d; push %d; pop %d; call %d; load %2d; store %2d; sh %3d; mov %3d; lea %3d; cmp %3d\n" \
$f $tot $size $rsp $push $pop $call $load $store $sh $mov $lea $cmp;
done
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