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1 | /* Code dealing with dummy stack frames, for GDB, the GNU debugger. | |
2 | ||
3 | Copyright (C) 2002, 2004, 2007, 2008 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 | #if !defined (DUMMY_FRAME_H) | |
21 | #define DUMMY_FRAME_H 1 | |
22 | ||
23 | struct frame_info; | |
24 | struct regcache; | |
25 | struct frame_unwind; | |
26 | struct frame_id; | |
27 | ||
28 | /* Push the information needed to identify, and unwind from, a dummy | |
29 | frame onto the dummy frame stack. */ | |
30 | ||
31 | /* NOTE: cagney/2004-08-02: This interface will eventually need to be | |
32 | parameterized with the caller's thread - that will allow per-thread | |
33 | dummy-frame stacks and, hence, per-thread inferior function | |
34 | calls. */ | |
35 | ||
36 | /* NOTE: cagney/2004-08-02: In the case of ABIs using push_dummy_code | |
37 | containing more than one instruction, this interface many need to | |
38 | be expanded so that it knowns the lower/upper extent of the dummy | |
39 | frame's code. */ | |
40 | ||
41 | extern void dummy_frame_push (struct regcache *regcache, | |
42 | const struct frame_id *dummy_id); | |
43 | ||
44 | /* If the PC falls in a dummy frame, return a dummy frame | |
45 | unwinder. */ | |
46 | ||
47 | extern const struct frame_unwind *const dummy_frame_unwind; | |
48 | ||
49 | #endif /* !defined (DUMMY_FRAME_H) */ |