File: check_memcpy.sh

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (31 lines) | stat: -rwxr-xr-x 787 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
#!/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