/* Copyright (C) 2007-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* This shared library will dlopen another shared object. This is based on gdb.base/solib-disc.c. */ #include <stdio.h> #include <stdlib.h> #ifdef __WIN32__ #include <windows.h> #define dlopen(name, mode) LoadLibrary (name) #define dlsym(handle, func) GetProcAddress (handle, func) #define dlclose(handle) FreeLibrary (handle) #define dlerror() "an error occurred" #else #include <dlfcn.h> #endif const char *the_shlib = SHLIB_NAME; int shlib_function (void) { void *handle; int (*func) (void); int result; handle = dlopen (the_shlib, RTLD_LAZY); if (!handle) { fprintf (stderr, "%s\n", dlerror ()); exit (1); } func = (int (*)(void)) dlsym (handle, "crashfunc"); if (func == NULL) { fprintf (stderr, "%s\n", dlerror ()); exit (1); } result = func (); dlclose (handle); return result; } |