Fix weak function lookups
* Linker now correctly resolves function defined
with __attribute__((weak)).
Bug: https://code.google.com/p/android/issues/detail?id=70206
Change-Id: I82efb905676c25fefb1b11a13f5fecb0f1384657
diff --git a/tests/dlfcn_test.cpp b/tests/dlfcn_test.cpp
index 49cbb7d..8b89183 100644
--- a/tests/dlfcn_test.cpp
+++ b/tests/dlfcn_test.cpp
@@ -254,6 +254,18 @@
ASSERT_TRUE(addr != NULL);
}
+TEST(dlfcn, dlsym_weak_func) {
+ dlerror();
+ void* handle = dlopen("libtest_dlsym_weak_func.so",RTLD_NOW);
+ ASSERT_TRUE(handle != NULL);
+
+ int (*weak_func)();
+ weak_func = reinterpret_cast<int (*)()>(dlsym(handle, "weak_func"));
+ ASSERT_TRUE(weak_func != NULL) << "dlerror: " << dlerror();
+ EXPECT_EQ(42, weak_func());
+ dlclose(handle);
+}
+
TEST(dlfcn, dlopen_symlink) {
void* handle1 = dlopen("libdlext_test.so", RTLD_NOW);
void* handle2 = dlopen("libdlext_test_v2.so", RTLD_NOW);