| // 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 (libcrazy_linker_tests_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 <stdio.h> |
| #include <stdlib.h> |
| |
| #include <crazy_linker.h> |
| |
| #include "test_util.h" |
| |
| #define LIB_NAME "libcrazy_linker_tests_libfoo_with_static_constructor.so" |
| |
| typedef void (*FunctionPtr)(); |
| |
| int main() { |
| crazy_context_t* context = crazy_context_create(); |
| crazy_library_t* library; |
| |
| setenv("TEST_VAR", "INIT", 1); |
| |
| // DEBUG |
| crazy_context_set_load_address(context, 0x20000000); |
| |
| // Load libfoo.so |
| if (!crazy_library_open(&library, LIB_NAME, 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 " LIB_NAME "\n"); |
| |
| printf("Constructors called when loading the library\n"); |
| |
| // 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 " LIB_NAME "\n"); |
| } |
| |
| // Call it. |
| (*foo_func)(); |
| |
| // Close the library. |
| crazy_library_close(library); |
| |
| env = getenv("TEST_VAR"); |
| if (!env || strcmp(env, "UNLOADED")) |
| Panic("Destructors not run when unloading " LIB_NAME "\n"); |
| |
| printf("Destructors called when unloading the library\n"); |
| |
| crazy_context_destroy(context); |
| printf("OK\n"); |
| |
| return 0; |
| } |