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mold/test/elf/symbol-version.sh
Rui Ueyama e6d4154688 [ELF] Generalize tests
With this change, you can now cross compile test cases and run
them on qemu-user. Here is an example to run our test suits in
an emulated ARM32 environment.

$ CC=arm-linux-gnueabihf-gcc \
  CXX=arm-linux-gnueabihf-g++ \
  GCC=arm-linux-gnueabihf-gcc \
  GXX=arm-linux-gnueabihf-g++ \
  OBJDUMP=arm-linux-gnueabihf-objdump \
  MACHINE=arm \
  QEMU='qemu-arm -L /usr/arm-linux-gnueabihf' \
  make -j16 test
2022-04-02 16:53:41 +08:00

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#!/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
cat <<EOF | $CC -fPIC -c -o $t/a.o -xc -
void foo1() {}
void foo2() {}
void foo3() {}
__asm__(".symver foo1, foo@VER1");
__asm__(".symver foo2, foo@VER2");
__asm__(".symver foo3, foo@@VER3");
void foo();
void bar() {
foo();
}
EOF
echo 'VER1 { local: *; }; VER2 { local: *; }; VER3 { local: *; };' > $t/b.ver
$CC -B. -shared -o $t/c.so $t/a.o -Wl,--version-script=$t/b.ver
readelf --symbols $t/c.so > $t/log
fgrep -q 'foo@VER1' $t/log
fgrep -q 'foo@VER2' $t/log
fgrep -q 'foo@@VER3' $t/log
echo OK