src/libcompiler_builtins/compiler-rt/lib/tsan/check_analyze.sh

   1 #!/bin/bash
   2 #
   3 # Script that checks that critical functions in TSan runtime have correct number
   4 # of push/pop/rsp instructions to verify that runtime is efficient enough.
   5
   6 set -u
   7
   8 if [[ "$#" != 1 ]]; then
   9   echo "Usage: $0 /path/to/binary/built/with/tsan"
  10   exit 1
  11 fi
  12
  13 SCRIPTDIR=$(dirname $0)
  14 RES=$(${SCRIPTDIR}/analyze_libtsan.sh $1)
  15 PrintRes() {
  16   printf "%s\n" "$RES"
  17 }
  18
  19 PrintRes
  20
  21 check() {
  22   res=$(PrintRes | egrep "$1 .* $2 $3; ")
  23   if [ "$res" == "" ]; then
  24     echo FAILED $1 must contain $2 $3
  25     exit 1
  26   fi
  27 }
  28
  29 for f in write1; do
  30   check $f rsp 1
  31   check $f push 2
  32   check $f pop 2
  33 done
  34
  35 for f in write2 write4 write8; do
  36   check $f rsp 1
  37   check $f push 3
  38   check $f pop 3
  39 done
  40
  41 for f in read1 read2 read4 read8; do
  42   check $f rsp 1
  43   check $f push 5
  44   check $f pop 5
  45 done
  46
  47 for f in func_entry func_exit; do
  48   check $f rsp 0
  49   check $f push 0
  50   check $f pop 0
  51   check $f call 1  # TraceSwitch()
  52 done
  53
  54 echo LGTM