Support getting/setting API level in static binaries.

Bug: http://b/27917272
Test: fixes static semaphore.sem_wait_no_EINTR_in_sdk_less_equal_than_23 test
Change-Id: Ifeeff20772ff0308aab9417d48671b604a3e9665

1 files changed, 49 insertions, 0 deletions

diff --git a/libdl/libdl_static.cpp b/libdl/libdl_static.cpp
new file mode 100644
index 000000000..714676258
--- /dev/null
+++ b/libdl/libdl_static.cpp
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <dlfcn.h>
+#include <link.h>
+#include <stdlib.h>
+
+void* dlopen(const char* /*filename*/, int /*flag*/) {
+  return nullptr;
+}
+
+char* dlerror() {
+  return nullptr;
+}
+
+void* dlsym(void* /*handle*/, const char* /*symbol*/) {
+  return nullptr;
+}
+
+void* dlvsym(void* /*handle*/, const char* /*symbol*/, const char* /*version*/) {
+  return nullptr;
+}
+
+int dladdr(const void* /*addr*/, Dl_info* /*info*/) {
+  return 0;
+}
+
+int dlclose(void* /*handle*/) {
+  return -1;
+}
+
+#if defined(__arm__)
+_Unwind_Ptr dl_unwind_find_exidx(_Unwind_Ptr /*pc*/, int* /*pcount*/) {
+  return 0;
+}
+#endif