1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// A crazy linker test to:
6// - Load a library (libfoo.so) with the linker.
7// - Find the address of the "Foo" function in it.
8// - Call the function.
9// - Close the library.
10
11#include <stdio.h>
12#include <crazy_linker.h>
13
14#include "test_util.h"
15
16typedef void (*FunctionPtr)();
17
18int main() {
19  crazy_context_t* context = crazy_context_create();
20  crazy_library_t* library;
21
22  // DEBUG
23  crazy_context_set_load_address(context, 0x20000000);
24
25  // Load libfoo.so
26  if (!crazy_library_open(&library, "libfoo.so", context)) {
27    Panic("Could not open library: %s\n", crazy_context_get_error(context));
28  }
29
30  // Find the "Foo" symbol.
31  FunctionPtr foo_func;
32  if (!crazy_library_find_symbol(
33           library, "Foo", reinterpret_cast<void**>(&foo_func))) {
34    Panic("Could not find 'Foo' in libfoo.so\n");
35  }
36
37  // Call it.
38  (*foo_func)();
39
40  // Close the library.
41  printf("Closing libfoo.so\n");
42  crazy_library_close(library);
43
44  crazy_context_destroy(context);
45
46  return 0;
47}