| //===-- main.c --------------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| #include <stdio.h> |
| #include <dlfcn.h> |
| #include <limits.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <libgen.h> |
| #include <stdlib.h> |
| |
| int |
| main (int argc, char const *argv[]) |
| { |
| #if defined (__APPLE__) |
| const char *a_name = "@executable_path/libloadunload_a.dylib"; |
| const char *c_name = "@executable_path/libloadunload_c.dylib"; |
| #else |
| const char *a_name = "libloadunload_a.so"; |
| const char *c_name = "libloadunload_c.so"; |
| #endif |
| void *a_dylib_handle = NULL; |
| void *c_dylib_handle = NULL; |
| int (*a_function) (void); |
| |
| a_dylib_handle = dlopen (a_name, RTLD_NOW); // Set break point at this line for test_lldb_process_load_and_unload_commands(). |
| if (a_dylib_handle == NULL) |
| { |
| fprintf (stderr, "%s\n", dlerror()); |
| exit (1); |
| } |
| |
| a_function = (int (*) ()) dlsym (a_dylib_handle, "a_function"); |
| if (a_function == NULL) |
| { |
| fprintf (stderr, "%s\n", dlerror()); |
| exit (2); |
| } |
| printf ("First time around, got: %d\n", a_function ()); |
| dlclose (a_dylib_handle); |
| |
| c_dylib_handle = dlopen (c_name, RTLD_NOW); |
| if (c_dylib_handle == NULL) |
| { |
| fprintf (stderr, "%s\n", dlerror()); |
| exit (3); |
| } |
| a_function = (int (*) ()) dlsym (c_dylib_handle, "c_function"); |
| if (a_function == NULL) |
| { |
| fprintf (stderr, "%s\n", dlerror()); |
| exit (4); |
| } |
| |
| a_dylib_handle = dlopen (a_name, RTLD_NOW); |
| if (a_dylib_handle == NULL) |
| { |
| fprintf (stderr, "%s\n", dlerror()); |
| exit (5); |
| } |
| |
| a_function = (int (*) ()) dlsym (a_dylib_handle, "a_function"); |
| if (a_function == NULL) |
| { |
| fprintf (stderr, "%s\n", dlerror()); |
| exit (6); |
| } |
| printf ("Second time around, got: %d\n", a_function ()); |
| dlclose (a_dylib_handle); |
| |
| int d_function(void); |
| printf ("d_function returns: %d\n", d_function()); |
| |
| return 0; |
| } |