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_with_static_constructor.so) with the linker.\ 7 // 8 // - This shall execute a static constructor that will change the value 9 // of the TEST_VAR environment variable to "LOADED'. 10 // 11 // - Close the library, this shall execute a static destructor that will 12 // change the value of TEST_VAR to "UNLOADED'. 13 14 #include <stdio.h> 15 #include <stdlib.h> 16 17 #include <crazy_linker.h> 18 19 #include "test_util.h" 20 21 typedef void (*FunctionPtr)(); 22 23 int main() { 24 crazy_context_t* context = crazy_context_create(); 25 crazy_library_t* library; 26 27 putenv("TEST_VAR=INIT"); 28 29 // DEBUG 30 crazy_context_set_load_address(context, 0x20000000); 31 32 // Load libfoo.so 33 if (!crazy_library_open( 34 &library, "libfoo_with_static_constructor.so", context)) { 35 Panic("Could not open library: %s\n", crazy_context_get_error(context)); 36 } 37 38 const char* env = getenv("TEST_VAR"); 39 if (!env || strcmp(env, "LOADED")) 40 Panic( 41 "Constructors not run when loading libfoo_with_static_constructor.so"); 42 43 // Find the "Foo" symbol. 44 FunctionPtr foo_func; 45 if (!crazy_library_find_symbol( 46 library, "Foo", reinterpret_cast<void**>(&foo_func))) { 47 Panic("Could not find 'Foo' in libfoo.so\n"); 48 } 49 50 // Call it. 51 (*foo_func)(); 52 53 // Close the library. 54 printf("Closing libfoo_with_static_constructor.so\n"); 55 crazy_library_close(library); 56 57 env = getenv("TEST_VAR"); 58 if (!env || strcmp(env, "UNLOADED")) 59 Panic( 60 "Destructors not run when unloading libfoo_with_static_constructor.so"); 61 62 crazy_context_destroy(context); 63 64 return 0; 65 }
