1#!/bin/bash
2
3# Ensure that tsan runtime does not contain compiler-emitted memcpy and memset calls.
4
5set -eu
6
7ROOTDIR=$(dirname $0)
8TEST_DIR=$ROOTDIR/../../test/tsan
9
10: ${CXX:=clang++}
11CFLAGS="-fsanitize=thread -fPIE -O1 -g"
12LDFLAGS="-pie -lpthread -ldl -lrt -lm -Wl,--whole-archive $ROOTDIR/rtl/libtsan.a -Wl,--no-whole-archive"
13
14SRC=$TEST_DIR/simple_race.cc
15OBJ=$SRC.o
16EXE=$SRC.exe
17$CXX $SRC $CFLAGS -c -o $OBJ
18$CXX $OBJ $LDFLAGS -o $EXE
19
20NCALL=$(objdump -d $EXE | egrep "callq .*<__interceptor_mem(cpy|set)>" | wc -l)
21if [ "$NCALL" != "0" ]; then
22  echo FAIL: found $NCALL memcpy/memset calls
23  exit 1
24fi
25
26# tail calls
27NCALL=$(objdump -d $EXE | egrep "jmpq .*<__interceptor_mem(cpy|set)>" | wc -l)
28if [ "$NCALL" != "0" ]; then
29  echo FAIL: found $NCALL memcpy/memset calls
30  exit 1
31fi
32