| // Copyright 2018 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. |
| |
| // Check that the list of valid dlopen handles managed by the crazy linker |
| // wrappers is maintained properly. |
| #include <crazy_linker.h> |
| #include <dlfcn.h> |
| #include <stdio.h> |
| |
| #include "test_util.h" |
| |
| namespace crazy { |
| extern void** GetValidDlopenHandlesForTesting(size_t*); |
| } // namespace crazy |
| |
| #define LIB_NAME "libcrazy_linker_tests_libbar_with_two_dlopens.so" |
| |
| // The type of crazy::GetValidDlopenHandlesForTesting() |
| using GetValidHandlesFunction = void**(size_t*); |
| |
| // The type of the Bar() function inside libbar. |
| using BarFunction = bool(GetValidHandlesFunction*); |
| |
| 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 "Bar" symbol. |
| BarFunction* bar_func; |
| if (!crazy_library_find_symbol(library, "Bar", |
| reinterpret_cast<void**>(&bar_func))) { |
| Panic("Could not find 'Bar' in %s\n", LIB_NAME); |
| } |
| |
| // Call the 'Bar' function, passing the address of our test function |
| // which is linked against the test executable, but not libbar. |
| if (!(*bar_func)(&crazy::GetValidDlopenHandlesForTesting)) |
| return 127; |
| |
| // Close the 1st library. |
| printf("Closing %s\n", LIB_NAME); |
| crazy_library_close(library); |
| |
| crazy_context_destroy(context); |
| return 0; |
| } |