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Do not apply version scripts to DSO symbols

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This is needed by Gentoo's dev-perl/Image-Imlib2-2.30.0-r1 package
because this fixes a mis-link issue of libbsd.
This commit is contained in:
Rui Ueyama 2021-06-27 21:37:19 +09:00
parent 27c0f9df16
commit 989f69fdc5
2 changed files with 44 additions and 1 deletions
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4
passes.cc
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@ -512,7 +512,9 @@ void apply_version_script(Context<E> &ctx) {
if (!elem.is_extern_cpp &&
elem.pattern.find('*') == elem.pattern.npos) {
Symbol<E>::intern(ctx, elem.pattern)->ver_idx = elem.ver_idx;
Symbol<E> *sym = Symbol<E>::intern(ctx, elem.pattern);
if (sym->file && !sym->file->is_dso)
sym->ver_idx = elem.ver_idx;
continue;
}

41
test/version-script6.sh Executable file
View File

@ -0,0 +1,41 @@
#!/bin/bash
set -e
cd $(dirname $0)
echo -n "Testing $(basename -s .sh $0) ... "
t=$(pwd)/tmp/$(basename -s .sh $0)
mkdir -p $t
cat <<'EOF' > $t/a.ver
VER_X1 { foo; };
VER_X2 { bar; };
EOF
cat <<EOF | c++ -fPIC -c -o $t/b.o -xc -
int foo = 5;
int bar = 6;
EOF
clang -fuse-ld=`pwd`/../mold -shared -Wl,--version-script=$t/a.ver \
-o $t/c.so $t/b.o
cat <<'EOF' > $t/d.ver
VER_Y1 { local; *; };
VER_Y2 { baz; };
VER_Y3 { foo; };
EOF
cat <<EOF | c++ -fPIC -c -o $t/e.o -xc -
extern int foo;
extern int bar;
int baz() { return foo + bar; }
EOF
clang -fuse-ld=`pwd`/../mold -shared -Wl,-version-script,$t/d.ver \
-o $t/f.so $t/e.o $t/c.so
readelf --dyn-syms $t/f.so > $t/log
grep -q 'foo@VER_X1' $t/log
grep -q 'bar@VER_X2' $t/log
grep -q 'baz@@VER_Y2' $t/log
echo OK