| /* Return location expression to find return value given a function type DIE. |
| Copyright (C) 2005, 2006 Red Hat, Inc. |
| This file is part of elfutils. |
| |
| This file is free software; you can redistribute it and/or modify |
| it under the terms of either |
| |
| * the GNU Lesser General Public License as published by the Free |
| Software Foundation; either version 3 of the License, or (at |
| your option) any later version |
| |
| or |
| |
| * the GNU General Public License as published by the Free |
| Software Foundation; either version 2 of the License, or (at |
| your option) any later version |
| |
| or both in parallel, as here. |
| |
| elfutils 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 copies of the GNU General Public License and |
| the GNU Lesser General Public License along with this program. If |
| not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include "libdwflP.h" |
| |
| |
| int |
| dwfl_module_return_value_location (Dwfl_Module *mod, Dwarf_Die *functypedie, |
| const Dwarf_Op **locops) |
| { |
| if (mod == NULL) |
| return -1; |
| |
| if (mod->ebl == NULL) |
| { |
| Dwfl_Error error = __libdwfl_module_getebl (mod); |
| if (error != DWFL_E_NOERROR) |
| { |
| __libdwfl_seterrno (error); |
| return -1; |
| } |
| } |
| |
| int nops = ebl_return_value_location (mod->ebl, functypedie, locops); |
| if (unlikely (nops < 0)) |
| { |
| if (nops == -1) |
| __libdwfl_seterrno (DWFL_E_LIBDW); |
| else if (nops == -2) |
| __libdwfl_seterrno (DWFL_E_WEIRD_TYPE); |
| else |
| __libdwfl_seterrno (DWFL_E_LIBEBL); |
| nops = -1; |
| } |
| |
| return nops; |
| } |