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https://github.com/rui314/mold.git
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42 lines
1.1 KiB
Bash
Executable File
42 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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export LANG=
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set -e
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CC="${CC:-cc}"
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CXX="${CXX:-c++}"
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testname=$(basename "$0" .sh)
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echo -n "Testing $testname ... "
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cd "$(dirname "$0")"/../..
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mold="$(pwd)/mold"
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t=out/test/elf/$testname
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mkdir -p $t
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cat <<EOF | $CC -o $t/a.o -ffunction-sections -c -xc -
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#include <stdio.h>
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int main() {
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printf("Hello world\n");
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}
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EOF
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# Create a lot of sections to lower the probability that
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# we get the identical output as a result of shuffling.
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for i in `seq 1 1000`; do echo "void fn$i() {}"; done | \
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$CC -o $t/b.o -ffunction-sections -c -xc -
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$CC -B. -o $t/exe1 $t/a.o $t/b.o
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$t/exe1 | grep -q 'Hello world'
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$CC -B. -o $t/exe2 $t/a.o $t/b.o -Wl,-shuffle-sections -Wl,-shuffle-sections-seed=42
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$t/exe2 | grep -q 'Hello world'
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$CC -B. -o $t/exe3 $t/a.o $t/b.o -Wl,-shuffle-sections -Wl,-shuffle-sections-seed=42
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$t/exe3 | grep -q 'Hello world'
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$CC -B. -o $t/exe4 $t/a.o $t/b.o -Wl,-shuffle-sections -Wl,-shuffle-sections-seed=5
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$t/exe4 | grep -q 'Hello world'
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! diff $t/exe1 $t/exe2 >& /dev/null || false
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diff $t/exe2 $t/exe3
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! diff $t/exe3 $t/exe4 >& /dev/null || false
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echo OK
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