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mold/test/elf/version-script6.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' > $t/a.ver
VER_X1 { foo; };
VER_X2 { bar; };
EOF
cat <<EOF | $CXX -fPIC -c -o $t/b.o -xc -
int foo = 5;
int bar = 6;
EOF
$CC -B. -shared -Wl,--version-script=$t/a.ver \
-o $t/c.so $t/b.o
cat <<'EOF' > $t/d.ver
VER_Y1 { local; *; };
VER_Y2 { baz; };
VER_Y3 { foo; };
EOF
cat <<EOF | $CXX -fPIC -c -o $t/e.o -xc -
extern int foo;
extern int bar;
int baz() { return foo + bar; }
EOF
$CC -B. -shared -Wl,-version-script,$t/d.ver \
-o $t/f.so $t/e.o $t/c.so
readelf --dyn-syms $t/f.so > $t/log
grep -q 'foo@VER_X1' $t/log
grep -q 'bar@VER_X2' $t/log
grep -q 'baz@@VER_Y2' $t/log
echo OK