/* Copyright 2023-2024 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 . */ #include #include void breakpt (void) { /* Nothing. */ } volatile int global_counter = 0; volatile int call_count = 1; int main (void) { void *handle; void (*func)(int); /* Some filler work so that we don't initially stop on the breakpt call below. */ ++global_counter; breakpt (); /* Break before open. */ /* Now load the shared library. */ handle = dlopen (SHLIB_NAME, RTLD_LAZY); if (handle == NULL) abort (); breakpt (); /* Break after open. */ /* Find the function symbol. */ func = (void (*)(int)) dlsym (handle, "foo"); for (; call_count > 0; --call_count) { /* Call the library function. */ func (1); } breakpt (); /* Break before close. */ /* Unload the shared library. */ if (dlclose (handle) != 0) abort (); breakpt (); /* Break after close. */ return 0; }