| 1 | /* Copyright (C) 2012-2020 Free Software Foundation, Inc. |
| 2 | |
| 3 | This file is part of GNU Binutils. |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 18 | MA 02110-1301, USA. */ |
| 19 | \f |
| 20 | #ifndef cg_dfn_h |
| 21 | #define cg_dfn_h |
| 22 | |
| 23 | /* |
| 24 | * Flags which mark a symbol as topologically ``busy'' or as |
| 25 | * topologically ``not_numbered'': |
| 26 | */ |
| 27 | #define DFN_BUSY -1 |
| 28 | #define DFN_NAN 0 |
| 29 | |
| 30 | /* |
| 31 | * Depth-first numbering of a call-graph. |
| 32 | */ |
| 33 | |
| 34 | extern void cg_dfn (Sym * root); |
| 35 | |
| 36 | #endif /* cg_dfn_h */ |