| 1 | /* Code dealing with dummy stack frames, for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 2002, 2004, 2007 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 2 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, write to the Free Software |
| 19 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 20 | Boston, MA 02110-1301, USA. */ |
| 21 | |
| 22 | #if !defined (DUMMY_FRAME_H) |
| 23 | #define DUMMY_FRAME_H 1 |
| 24 | |
| 25 | struct frame_info; |
| 26 | struct regcache; |
| 27 | struct frame_unwind; |
| 28 | struct frame_id; |
| 29 | |
| 30 | /* Push the information needed to identify, and unwind from, a dummy |
| 31 | frame onto the dummy frame stack. */ |
| 32 | |
| 33 | /* NOTE: cagney/2004-08-02: This interface will eventually need to be |
| 34 | parameterized with the caller's thread - that will allow per-thread |
| 35 | dummy-frame stacks and, hence, per-thread inferior function |
| 36 | calls. */ |
| 37 | |
| 38 | /* NOTE: cagney/2004-08-02: In the case of ABIs using push_dummy_code |
| 39 | containing more than one instruction, this interface many need to |
| 40 | be expanded so that it knowns the lower/upper extent of the dummy |
| 41 | frame's code. */ |
| 42 | |
| 43 | extern void dummy_frame_push (struct regcache *regcache, |
| 44 | const struct frame_id *dummy_id); |
| 45 | |
| 46 | /* If the PC falls in a dummy frame, return a dummy frame |
| 47 | unwinder. */ |
| 48 | |
| 49 | extern const struct frame_unwind *const dummy_frame_unwind; |
| 50 | |
| 51 | #endif /* !defined (DUMMY_FRAME_H) */ |