1#!/bin/bash
2#
3# Script that prints information about generated code in TSan runtime.
4
5set -e
6set -u
7
8if [[ "$#" != 1 ]]; then
9  echo "Usage: $0 /path/to/binary/built/with/tsan"
10  exit 1
11fi
12
13get_asm() {
14  grep __tsan_$1.: -A 10000 ${OBJDUMP_CONTENTS} | \
15    awk "/[^:]$/ {print;} />:/ {c++; if (c == 2) {exit}}"
16}
17
18list="write1 \
19      write2 \
20      write4 \
21      write8 \
22      read1 \
23      read2 \
24      read4 \
25      read8 \
26      func_entry \
27      func_exit"
28
29BIN=$1
30OUTPUT_DIR=$(mktemp -t -d analyze_libtsan_out.XXXXXXXX)
31OBJDUMP_CONTENTS=${OUTPUT_DIR}/libtsan_objdump
32NM_CONTENTS=${OUTPUT_DIR}/libtsan_nm
33
34objdump -d $BIN  > ${OBJDUMP_CONTENTS}
35nm -S $BIN | grep "__tsan_" > ${NM_CONTENTS}
36
37for f in $list; do
38  file=${OUTPUT_DIR}/asm_$f.s
39  get_asm $f > $file
40  tot=$(wc -l < $file)
41  size=$(grep __tsan_$f$ ${NM_CONTENTS} | awk --non-decimal-data '{print ("0x"$2)+0}')
42  rsp=$(grep '(%rsp)' $file | wc -l)
43  push=$(grep 'push' $file | wc -l)
44  pop=$(grep 'pop' $file | wc -l)
45  call=$(grep 'call' $file | wc -l)
46  load=$(egrep 'mov .*\,.*\(.*\)|cmp .*\,.*\(.*\)' $file | wc -l)
47  store=$(egrep 'mov .*\(.*\),' $file | wc -l)
48  mov=$(grep 'mov' $file | wc -l)
49  lea=$(grep 'lea' $file | wc -l)
50  sh=$(grep 'shr\|shl' $file | wc -l)
51  cmp=$(grep 'cmp\|test' $file | wc -l)
52  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" \
53    $f $tot $size $rsp $push $pop $call $load $store $sh $mov $lea $cmp;
54done
55