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#!/bin/sh
set -eu
RUSTC="$1"
TMPDIR="$(pwd)/.tmp-${0##*/}-$RANDOM"
failed=0
_rustc() {
printf '\n$ rustc %s\n' "$*"
"$RUSTC" "$@"
}
die() {
printf '\033[1;31mERROR:\033[0m %s\n' "$1" >&2 # bold red
exit 1
}
fail() {
printf '\033[1;31mFAIL:\033[0m %s\n' "$1" >&2 # bold red
failed=$(( failed + 1 ))
}
# Checks if the given file is a statically linked binary.
is_static() {
! readelf -l "$1" | grep -Fq INTERP \
&& ! readelf -d "$1" | grep -Fq NEEDED
}
assert_dynamic() {
test -f "$1" && ! is_static "$1" || {
fail "$1 is not a dynamic executable!"
readelf -ld "$1"
}
}
assert_ok() {
"$1" || fail "$1 exited with status $?"
}
assert_pie() {
readelf -d "$1" | grep FLAGS_1 | grep -q PIE || {
fail "$1 is not a PIE executable!"
readelf -d "$1"
}
}
assert_static() {
test -f "$1" && is_static "$1" || {
fail "$1 is not a static executable!"
readelf -ld "$1"
}
}
#-------------------- M a i n --------------------
test -d "$TMPDIR" && die "$TMPDIR already exists!"
mkdir -p "$TMPDIR"
trap "rm -R '$TMPDIR'" EXIT
cd "$TMPDIR"
cat >> hello_world.rs <<-EOF
fn main() {
println!("Hello, world!");
}
EOF
_rustc hello_world.rs
assert_ok ./hello_world
assert_static hello_world
assert_pie hello_world
rm -f hello_world
_rustc -C target-feature=-crt-static hello_world.rs
assert_ok ./hello_world
assert_dynamic hello_world
assert_pie hello_world
rm -f hello_world
_rustc -C target-feature=+crt-static hello_world.rs
assert_ok ./hello_world
assert_static hello_world
assert_pie hello_world
rm -f hello_world
[ "$failed" -eq 0 ] || die "$failed assertion(s) has failed"
|
