1 files changed, 65 insertions, 0 deletions
diff --git a/tests/libs/dlopen_testlib_ifunc.c b/tests/libs/dlopen_testlib_ifunc.c
new file mode 100644
index 0000000..b68a3dd
--- /dev/null
+++ b/tests/libs/dlopen_testlib_ifunc.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2014 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 <stdio.h>
+#include <stdlib.h>
+
+static int g_flag = 0;
+
+static void __attribute__((constructor)) init_flag() {
+  g_flag = 1;
+}
+
+static const char* is_ctor_called() __attribute__ ((ifunc("is_ctor_called_ifun")));
+
+const char* foo() __attribute__ ((ifunc ("foo_ifunc")));
+
+// Static linker creates GLOBAL/IFUNC symbol and JUMP_SLOT relocation type for plt segment
+const char* is_ctor_called_jump_slot() __attribute__ ((ifunc("is_ctor_called_ifun")));
+
+const char* is_ctor_called_irelative() {
+  // Call internal ifunc-resolved function with IRELATIVE reloc
+  return is_ctor_called();
+}
+
+const char* return_true() {
+  return "true";
+}
+
+const char* return_false() {
+  return "false";
+}
+
+const char* f1() {
+  return "unset";
+}
+
+const char* f2() {
+  return "set";
+}
+
+void* is_ctor_called_ifun() {
+  return g_flag == 0 ? return_false : return_true;
+}
+
+void* foo_ifunc() {
+   char* choice = getenv("IFUNC_CHOICE");
+   return choice == NULL ? f1 : f2;
+}
+
+const char* foo_library() {
+   return foo();
+}