1 /* __frame_state_for unwinder helper function wrapper.
2 Copyright (C) 2001-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library 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 GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <stdlib.h>
20 #define STATIC static
21 #define __frame_state_for fallback_frame_state_for
22 #include <unwind-dw2.c>
23 #undef __frame_state_for
24 #include <gnu/lib-names.h>
25
26 #include <unwind-link.h>
27
28 typedef struct frame_state * (*framesf)(void *pc, struct frame_state *);
29 struct frame_state *__frame_state_for (void *pc,
30 struct frame_state *frame_state);
31
32 struct frame_state *
__frame_state_for(void * pc,struct frame_state * frame_state)33 __frame_state_for (void *pc, struct frame_state *frame_state)
34 {
35 struct unwind_link *unwind_link = __libc_unwind_link_get ();
36 if (unwind_link != NULL)
37 return UNWIND_LINK_PTR (unwind_link, __frame_state_for) (pc, frame_state);
38 else
39 {
40 #ifndef __USING_SJLJ_EXCEPTIONS__
41 return fallback_frame_state_for (pc, frame_state);
42 #else
43 abort ();
44 #endif
45 }
46 }
47