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mold/test/elf/visibility.sh
Rui Ueyama e6d4154688 [ELF] Generalize tests
With this change, you can now cross compile test cases and run
them on qemu-user. Here is an example to run our test suits in
an emulated ARM32 environment.

$ CC=arm-linux-gnueabihf-gcc \
  CXX=arm-linux-gnueabihf-g++ \
  GCC=arm-linux-gnueabihf-gcc \
  GXX=arm-linux-gnueabihf-g++ \
  OBJDUMP=arm-linux-gnueabihf-objdump \
  MACHINE=arm \
  QEMU='qemu-arm -L /usr/arm-linux-gnueabihf' \
  make -j16 test
2022-04-02 16:53:41 +08:00

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#!/bin/bash
export LC_ALL=C
set -e
CC="${CC:-cc}"
CXX="${CXX:-c++}"
GCC="${GCC:-gcc}"
GXX="${GXX:-g++}"
OBJDUMP="${OBJDUMP:-objdump}"
MACHINE="${MACHINE:-$(uname -m)}"
testname=$(basename "$0" .sh)
echo -n "Testing $testname ... "
cd "$(dirname "$0")"/../..
mold="$(pwd)/mold"
t=out/test/elf/$testname
mkdir -p $t
cat <<EOF | $CC -xc -c -o $t/a.o -
__attribute__((visibility("hidden"))) int foo = 3;
EOF
cat <<EOF | $CC -xc -c -o $t/b.o -
__attribute__((visibility("hidden"))) int foo = 3;
int bar = 5;
EOF
rm -f $t/c.a
ar crs $t/c.a $t/a.o $t/b.o
cat <<EOF | $CC -xc -fPIC -c -o $t/d.o -
extern int bar;
int main() { return bar; }
EOF
$CC -B. -shared -o $t/e.so $t/c.a $t/d.o
readelf --dyn-syms $t/e.so > $t/log
! fgrep -q foo $t/log || false
echo OK