mirror of
https://github.com/rui314/mold.git
synced 2024-10-04 16:48:04 +03:00
57 lines
1.2 KiB
Bash
Executable File
57 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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set -e
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cd $(dirname $0)
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mold=`pwd`/../../mold
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echo -n "Testing $(basename -s .sh $0) ... "
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t=$(pwd)/../../out/test/elf/$(basename -s .sh $0)
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mkdir -p $t
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cat <<EOF > $t/a.cc
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#include <stdio.h>
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int two() { return 2; }
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int live_var1 = 1;
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int live_var2 = two();
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int dead_var1 = 3;
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int dead_var2 = 4;
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void live_fn1() {}
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void live_fn2() { live_fn1(); }
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void dead_fn1() {}
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void dead_fn2() { dead_fn1(); }
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int main() {
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printf("%d %d\n", live_var1, live_var2);
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live_fn2();
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}
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EOF
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cflags="-ffunction-sections -fdata-sections -fuse-ld=$mold"
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clang++ -o $t/exe1 $t/a.cc $cflags
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readelf --symbols $t/exe1 > $t/log.1
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grep -qv live_fn1 $t/log.1
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grep -qv live_fn2 $t/log.1
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grep -qv dead_fn1 $t/log.1
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grep -qv dead_fn2 $t/log.1
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grep -qv live_var1 $t/log.1
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grep -qv live_var2 $t/log.1
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grep -qv dead_var1 $t/log.1
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grep -qv dead_var2 $t/log.1
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$t/exe1 | grep -q '1 2'
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clang++ -o $t/exe2 $t/a.cc $cflags -Wl,-gc-sections
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readelf --symbols $t/exe2 > $t/log.2
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grep -q live_fn1 $t/log.2
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grep -q live_fn2 $t/log.2
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grep -qv dead_fn1 $t/log.2
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grep -qv dead_fn2 $t/log.2
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grep -q live_var1 $t/log.2
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grep -q live_var2 $t/log.2
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grep -qv dead_var1 $t/log.2
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grep -qv dead_var2 $t/log.2
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$t/exe2 | grep -q '1 2'
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echo OK
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