about summary refs log tree commit diff
path: root/sysdeps/nptl/unwind-forcedunwind.c
blob: c0234670cfe142008871ac1a53b5d185d8f4dac5 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/* Copyright (C) 2003-2021 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Jakub Jelinek <jakub@redhat.com>.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation; either version 2.1 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If
   not, see <https://www.gnu.org/licenses/>.  */

#include <stdio.h>
#include <unwind-link.h>
#include <pthreadP.h>
#include <sysdep.h>
#include <gnu/lib-names.h>
#include <unwind-resume.h>

struct unwind_link *
__pthread_unwind_link_get (void)
{
  struct unwind_link *unwind_link = __libc_unwind_link_get ();
  if (unwind_link == NULL)
    __libc_fatal (LIBGCC_S_SO
		  " must be installed for pthread_cancel to work\n");
  return unwind_link;
}

#if !HAVE_ARCH_UNWIND_RESUME
void
_Unwind_Resume (struct _Unwind_Exception *exc)
{
  UNWIND_LINK_PTR (__pthread_unwind_link_get (), _Unwind_Resume) (exc);
}
#endif

_Unwind_Reason_Code
__gcc_personality_v0 PERSONALITY_PROTO
{
  return UNWIND_LINK_PTR (__pthread_unwind_link_get (), personality)
    PERSONALITY_ARGS;
}

_Unwind_Reason_Code
_Unwind_ForcedUnwind (struct _Unwind_Exception *exc, _Unwind_Stop_Fn stop,
		      void *stop_argument)
{
  return UNWIND_LINK_PTR (__pthread_unwind_link_get (), _Unwind_ForcedUnwind)
    (exc, stop, stop_argument);
}

_Unwind_Word
_Unwind_GetCFA (struct _Unwind_Context *context)
{
  return UNWIND_LINK_PTR (__pthread_unwind_link_get (), _Unwind_GetCFA)
    (context);
}