| // Copyright 2014 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 (libzoo.so) with the linker. |
| // - Find the address of the "Zoo" function in libzoo.so. |
| // - Call the Zoo() function, which will use dlopen() / dlsym() to |
| // find libbar.so (which depends on libfoo.so). |
| // - Close the library. |
| |
| // This tests the dlopen/dlsym/dlclose wrappers provided by the crazy |
| // linker to loaded libraries. |
| |
| #include <stdio.h> |
| #include <crazy_linker.h> |
| |
| #include "test_util.h" |
| |
| typedef bool (*FunctionPtr)(); |
| |
| #define LIB_NAME "libcrazy_linker_tests_libzoo.so" |
| |
| int main() { |
| crazy_context_t* context = crazy_context_create(); |
| crazy_library_t* library; |
| |
| // Load libzoo.so |
| if (!crazy_library_open(&library, LIB_NAME, context)) { |
| Panic("Could not open library: %s\n", crazy_context_get_error(context)); |
| } |
| |
| // Find the "Zoo" symbol. |
| FunctionPtr zoo_func; |
| if (!crazy_library_find_symbol( |
| library, "Zoo", reinterpret_cast<void**>(&zoo_func))) { |
| Panic("Could not find 'Zoo' in " LIB_NAME "\n"); |
| } |
| |
| // Call it. |
| bool ret = (*zoo_func)(); |
| if (!ret) |
| Panic("'Zoo' function failed!"); |
| |
| // Close the library. |
| printf("Closing " LIB_NAME "\n"); |
| crazy_library_close(library); |
| |
| crazy_context_destroy(context); |
| printf("OK\n"); |
| return 0; |
| } |