Revert "Revert "Fix dlsym() to take into account RTLD_GLOBAL/LOCAL""
This reverts commit 9d3382d97a2cdc8c8f78c7825ece16f09292fc36.
diff --git a/tests/dlfcn_test.cpp b/tests/dlfcn_test.cpp
index 504aca3..1bf186b 100644
--- a/tests/dlfcn_test.cpp
+++ b/tests/dlfcn_test.cpp
@@ -202,6 +202,42 @@
dlclose(handle);
}
+TEST(dlfcn, dlopen_check_rtld_local) {
+ void* sym = dlsym(RTLD_DEFAULT, "dlopen_testlib_simple_func");
+ ASSERT_TRUE(sym == nullptr);
+
+ // implicit RTLD_LOCAL
+ void* handle = dlopen("libtest_simple.so", RTLD_NOW);
+ sym = dlsym(RTLD_DEFAULT, "dlopen_testlib_simple_func");
+ ASSERT_TRUE(sym == nullptr);
+ ASSERT_SUBSTR("undefined symbol: dlopen_testlib_simple_func", dlerror());
+ sym = dlsym(handle, "dlopen_testlib_simple_func");
+ ASSERT_TRUE(sym != nullptr);
+ ASSERT_TRUE(reinterpret_cast<bool (*)(void)>(sym)());
+ dlclose(handle);
+
+ // explicit RTLD_LOCAL
+ handle = dlopen("libtest_simple.so", RTLD_NOW | RTLD_LOCAL);
+ sym = dlsym(RTLD_DEFAULT, "dlopen_testlib_simple_func");
+ ASSERT_TRUE(sym == nullptr);
+ ASSERT_SUBSTR("undefined symbol: dlopen_testlib_simple_func", dlerror());
+ sym = dlsym(handle, "dlopen_testlib_simple_func");
+ ASSERT_TRUE(sym != nullptr);
+ ASSERT_TRUE(reinterpret_cast<bool (*)(void)>(sym)());
+ dlclose(handle);
+}
+
+TEST(dlfcn, dlopen_check_rtld_global) {
+ void* sym = dlsym(RTLD_DEFAULT, "dlopen_testlib_simple_func");
+ ASSERT_TRUE(sym == nullptr);
+
+ void* handle = dlopen("libtest_simple.so", RTLD_NOW | RTLD_GLOBAL);
+ sym = dlsym(RTLD_DEFAULT, "dlopen_testlib_simple_func");
+ ASSERT_TRUE(sym != nullptr) << dlerror();
+ ASSERT_TRUE(reinterpret_cast<bool (*)(void)>(sym)());
+ dlclose(handle);
+}
+
// libtest_with_dependency_loop.so -> libtest_with_dependency_loop_a.so ->
// libtest_with_dependency_loop_b.so -> libtest_with_dependency_loop_c.so ->
// libtest_with_dependency_loop_a.so