Android: Add chrome-specific dynamic linker.

third_party/crazy_linker/crazy_linker/tests/test_constructors_destructors.cpp

Index: third_party/crazy_linker/crazy_linker/tests/test_constructors_destructors.cpp
diff --git a/third_party/crazy_linker/crazy_linker/tests/test_constructors_destructors.cpp b/third_party/crazy_linker/crazy_linker/tests/test_constructors_destructors.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..b9975cd50590e7c74829d32c76fdb3c5a0ed9306
--- /dev/null
+++ b/third_party/crazy_linker/crazy_linker/tests/test_constructors_destructors.cpp
@@ -0,0 +1,75 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// A crazy linker test to:
+// - Load a library (libfoo_with_static_constructor.so) with the linker.\
+//
+// - This shall execute a static constructor that will change the value
+//   of the TEST_VAR environment variable to "LOADED'.
+//
+// - Close the library, this shall execute a static destructor that will
+//   change the value of TEST_VAR to "UNLOADED'.
+
+#include <crazy_linker.h>
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+typedef void (*FunctionPtr)();
+
+static void Panic(const char* fmt, ...) {
+  va_list args;
+  fprintf(stderr, "PANIC: ");
+  va_start(args, fmt);
+  vfprintf(stderr, fmt, args);
+  va_end(args);
+  exit(1);
+}
+
+int main() {
+  crazy_context_t* context = crazy_context_create();
+  crazy_library_t* library;
+
+  putenv("TEST_VAR=INIT");
+
+  // DEBUG
+  crazy_context_set_load_address(context, 0x20000000);
+
+  // Load libfoo.so
+  if (!crazy_library_open(&library,
+                          "libfoo_with_static_constructor.so",
+                          context)) {
+    Panic("Could not open library: %s\n", crazy_context_get_error(context));
+  }
+
+  const char* env = getenv("TEST_VAR");
+  if (!env || strcmp(env, "LOADED"))
+    Panic("Constructors not run when loading libfoo_with_static_constructor.so");
+
+
+  // Find the "Foo" symbol.
+  FunctionPtr foo_func;
+  if (!crazy_library_find_symbol(library,
+                                 "Foo",
+                                 reinterpret_cast<void**>(&foo_func))) {
+    Panic("Could not find 'Foo' in libfoo.so\n");
+  }
+
+  // Call it.
+  (*foo_func)();
+
+  // Close the library.
+  printf("Closing libfoo_with_static_constructor.so\n");
+  crazy_library_close(library);
+
+  env = getenv("TEST_VAR");
+  if (!env || strcmp(env, "UNLOADED"))
+    Panic("Destructors not run when unloading libfoo_with_static_constructor.so");
+
+
+  crazy_context_destroy(context);
+
+  return 0;
+}