[rustc.git] / src / compiler-rt / lib / tsan / check_memcpy.sh

#!/bin/bash

# Ensure that tsan runtime does not contain compiler-emitted memcpy and memset calls.

set -eu

ROOTDIR=$(dirname $0)
TEST_DIR=$ROOTDIR/../../test/tsan

: ${CXX:=clang++}
CFLAGS="-fsanitize=thread -fPIE -O1 -g"
LDFLAGS="-pie -lpthread -ldl -lrt -lm -Wl,--whole-archive $ROOTDIR/rtl/libtsan.a -Wl,--no-whole-archive"

SRC=$TEST_DIR/simple_race.cc
OBJ=$SRC.o
EXE=$SRC.exe
$CXX $SRC $CFLAGS -c -o $OBJ
$CXX $OBJ $LDFLAGS -o $EXE

NCALL=$(objdump -d $EXE | egrep "callq .*<__interceptor_mem(cpy|set)>" | wc -l)
if [ "$NCALL" != "0" ]; then
  echo FAIL: found $NCALL memcpy/memset calls
  exit 1
fi

# tail calls
NCALL=$(objdump -d $EXE | egrep "jmpq .*<__interceptor_mem(cpy|set)>" | wc -l)
if [ "$NCALL" != "0" ]; then
  echo FAIL: found $NCALL memcpy/memset calls
  exit 1
fi
Commit	Line	Data
1a4d82fc JJ	1	#!/bin/bash
	2
	3	# Ensure that tsan runtime does not contain compiler-emitted memcpy and memset calls.
	4
	5	set -eu
	6
	7	ROOTDIR=$(dirname $0)
	8	TEST_DIR=$ROOTDIR/../../test/tsan
	9
	10	: ${CXX:=clang++}
	11	CFLAGS="-fsanitize=thread -fPIE -O1 -g"
	12	LDFLAGS="-pie -lpthread -ldl -lrt -lm -Wl,--whole-archive $ROOTDIR/rtl/libtsan.a -Wl,--no-whole-archive"
	13
	14	SRC=$TEST_DIR/simple_race.cc
	15	OBJ=$SRC.o
	16	EXE=$SRC.exe
	17	$CXX $SRC $CFLAGS -c -o $OBJ
	18	$CXX $OBJ $LDFLAGS -o $EXE
	19
92a42be0 SL	20	NCALL=$(objdump -d $EXE \| egrep "callq .*<__interceptor_mem(cpy\|set)>" \| wc -l)
	21	if [ "$NCALL" != "0" ]; then
	22	echo FAIL: found $NCALL memcpy/memset calls
	23	exit 1
	24	fi
	25
	26	# tail calls
	27	NCALL=$(objdump -d $EXE \| egrep "jmpq .*<__interceptor_mem(cpy\|set)>" \| wc -l)
1a4d82fc JJ	28	if [ "$NCALL" != "0" ]; then
	29	echo FAIL: found $NCALL memcpy/memset calls
	30	exit 1
	31	fi