gdb/gdb-dlfcn.h

   1 /* Platform independent shared object routines for GDB.
   2
   3    Copyright (C) 2011-2016 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef GDB_DLFCN_H
  21 #define GDB_DLFCN_H
  22
  23 /* Load the dynamic library file named FILENAME, and return a handle
  24    for that dynamic library.  Return NULL if the loading fails for any
  25    reason.  */
  26
  27 void *gdb_dlopen (const char *filename);
  28
  29 /* Return the address of the symbol named SYMBOL inside the shared
  30    library whose handle is HANDLE.  Return NULL when the symbol could
  31    not be found.  */
  32
  33 void *gdb_dlsym (void *handle, const char *symbol);
  34
  35 /* Install a cleanup routine which closes the handle HANDLE.  */
  36
  37 struct cleanup *make_cleanup_dlclose (void *handle);
  38
  39 /* Cleanup the shared object pointed to by HANDLE. Return 0 on success
  40    and nonzero on failure.  */
  41
  42 int gdb_dlclose (void *handle);
  43
  44 /* Return non-zero if the dynamic library functions are available on
  45    this platform.  */
  46
  47 int is_dl_available(void);
  48
  49 #endif /* GDB_DLFCN_H */