| // 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 (libbar.so) with the linker, which depends on |
| // another library (libfoo.so) |
| // - Find the address of the "Bar" function in libbar.so. |
| // - Call the Bar() function, which ends up calling Foo() in libfoo.so |
| // - Close the library. |
| |
| #include <stdio.h> |
| #include <crazy_linker.h> |
| |
| #include "test_util.h" |
| |
| #define LIB_NAME "libcrazy_linker_tests_libbar.so" |
| |
| typedef void (*FunctionPtr)(); |
| |
| int main() { |
| crazy_context_t* context = crazy_context_create(); |
| crazy_library_t* library; |
| |
| // DEBUG |
| crazy_context_set_load_address(context, 0x20000000); |
| |
| // Load libbar.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. |
| FunctionPtr 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 it. |
| (*bar_func)(); |
| |
| // Find the "Foo" symbol from libbar.so |
| FunctionPtr foo_func; |
| if (!crazy_library_find_symbol( |
| library, "Foo", reinterpret_cast<void**>(&foo_func))) { |
| Panic("Could not find 'Foo' from %s\n", LIB_NAME); |
| } |
| |
| // Close the library. |
| printf("Closing %s\n", LIB_NAME); |
| crazy_library_close(library); |
| |
| crazy_context_destroy(context); |
| printf("OK\n"); |
| return 0; |
| } |