mold/test/elf/undefined.sh

#!/bin/bash
export LC_ALL=C
set -e
CC="${CC:-cc}"
CXX="${CXX:-c++}"
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 -o $t/a.o -c -x assembler -
.globl _start
_start:
EOF

cat <<EOF | $CC -o $t/b.o -c -x assembler -
.globl foo
foo:
EOF

cat <<EOF | $CC -o $t/c.o -c -x assembler -
.globl bar
bar:
EOF

rm -f $t/d.a
ar cr $t/d.a $t/b.o $t/c.o

"$mold" -static -o $t/exe $t/a.o $t/d.a
readelf --symbols $t/exe > $t/log
! grep -q foo $t/log || false
! grep -q bar $t/log || false

"$mold" -static -o $t/exe $t/a.o $t/d.a -u foo
readelf --symbols $t/exe > $t/log
grep -q foo $t/log
! grep -q bar $t/log || false

"$mold" -static -o $t/exe $t/a.o $t/d.a -u foo --undefined=bar
readelf --symbols $t/exe > $t/log
grep -q foo $t/log
grep -q bar $t/log

echo OK