| /* Platform independent shared object routines for GDB. |
| |
| Copyright (C) 2011-2021 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| 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/>. */ |
| |
| #ifndef GDB_DLFCN_H |
| #define GDB_DLFCN_H |
| |
| /* A deleter that closes an open dynamic library. */ |
| |
| struct dlclose_deleter |
| { |
| void operator() (void *handle) const; |
| }; |
| |
| /* A unique pointer that points to a dynamic library. */ |
| |
| typedef std::unique_ptr<void, dlclose_deleter> gdb_dlhandle_up; |
| |
| /* Load the dynamic library file named FILENAME, and return a handle |
| for that dynamic library. Throw an error if the loading fails for |
| any reason. */ |
| |
| gdb_dlhandle_up gdb_dlopen (const char *filename); |
| |
| /* Return the address of the symbol named SYMBOL inside the shared |
| library whose handle is HANDLE. Return NULL when the symbol could |
| not be found. */ |
| |
| void *gdb_dlsym (const gdb_dlhandle_up &handle, const char *symbol); |
| |
| /* Return non-zero if the dynamic library functions are available on |
| this platform. */ |
| |
| int is_dl_available(void); |
| |
| #endif /* GDB_DLFCN_H */ |