1 /* __frame_state_for unwinder helper function wrapper.
2 Copyright (C) 2001 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 #define __frame_state_for fallback_frame_state_for
24 #include <unwind-dw2.c>
25 #undef __frame_state_for
27 struct frame_state
* fallback_frame_state_for (void *, struct frame_state
*)
33 typedef struct frame_state
* (*framesf
)(void *pc
, struct frame_state
*);
34 struct frame_state
*__frame_state_for (void *pc
,
35 struct frame_state
*frame_state
);
38 __frame_state_for (void *pc
, struct frame_state
*frame_state
)
40 static framesf frame_state_for
;
42 if (frame_state_for
== NULL
)
44 void *handle
= __libc_dlopen ("libgcc_s.so.1");
48 = (framesf
) __libc_dlsym (handle
, "__frame_state_for")) == NULL
)
49 frame_state_for
= fallback_frame_state_for
;
52 return frame_state_for (pc
, frame_state
);