| /* Return associated attribute for DW_OP_GNU_implicit_pointer. |
| Copyright (C) 2010 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/>. */ |
| |
| #ifdef HAVE_CONFIG_H |
| # include <config.h> |
| #endif |
| |
| #include "libdwP.h" |
| #include <dwarf.h> |
| |
| |
| int |
| dwarf_getlocation_implicit_pointer (attr, op, result) |
| Dwarf_Attribute *attr; |
| const Dwarf_Op *op; |
| Dwarf_Attribute *result; |
| { |
| if (attr == NULL) |
| return -1; |
| |
| if (unlikely (op->atom != DW_OP_GNU_implicit_pointer)) |
| { |
| __libdw_seterrno (DWARF_E_INVALID_ACCESS); |
| return -1; |
| } |
| |
| Dwarf_Die die; |
| if (__libdw_offdie (attr->cu->dbg, op->number, &die, |
| attr->cu->type_offset != 0) == NULL) |
| return -1; |
| |
| if (INTUSE(dwarf_attr) (&die, DW_AT_location, result) == NULL |
| && INTUSE(dwarf_attr) (&die, DW_AT_const_value, result) == NULL) |
| { |
| __libdw_seterrno (DWARF_E_INVALID_DWARF); |
| return -1; |
| } |
| |
| return 0; |
| } |