mold/test/elf/undefined.sh

#!/bin/bash
export LANG=
set -e
CC="${CC:-cc}"
CXX="${CXX:-c++}"
testname=$(basename -s .sh "$0")
echo -n "Testing $testname ... "
cd "$(dirname "$0")"/../..
mold="$(pwd)/mold"
t="$(pwd)/out/test/elf/$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