mold/test/elf/build-id.sh

#!/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

echo 'int main() { return 0; }' > $t/a.c

$CC -B. -o $t/exe $t/a.c -Wl,-build-id
readelf -n $t/exe | grep -qv 'GNU.*0x00000010.*NT_GNU_BUILD_ID'

$CC -B. -o $t/exe $t/a.c -Wl,-build-id=uuid
readelf -nW $t/exe |
  grep -Eq 'GNU.*0x00000010.*NT_GNU_BUILD_ID.*Build ID: ............4...[89abcdef]'

$CC -B. -o $t/exe $t/a.c -Wl,-build-id=md5
readelf -n $t/exe | grep -q 'GNU.*0x00000010.*NT_GNU_BUILD_ID'

$CC -B. -o $t/exe $t/a.c -Wl,-build-id=sha1
readelf -n $t/exe | grep -q 'GNU.*0x00000014.*NT_GNU_BUILD_ID'

$CC -B. -o $t/exe $t/a.c -Wl,-build-id=sha256
readelf -n $t/exe | grep -q 'GNU.*0x00000020.*NT_GNU_BUILD_ID'

$CC -B. -o $t/exe $t/a.c -Wl,-build-id=0xdeadbeefdeadbeef
readelf -n $t/exe | grep -q 'Build ID: deadbeefdeadbeef'

echo OK