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/* Copyright (C) 2003 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 <http://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
#include <unwind.h>
#include <libgcc_s.h>
#include <unwind-resume.h>
#define __libc_dlopen(x) dlopen(x, (RTLD_LOCAL | RTLD_LAZY))
#define __libc_dlsym dlsym
#define __libc_dlclose dlclose
void (*__libgcc_s_resume) (struct _Unwind_Exception *exc)
attribute_hidden __attribute__ ((noreturn));
static _Unwind_Reason_Code (*libgcc_s_personality) PERSONALITY_PROTO;
extern
void abort(void);
void attribute_hidden __attribute__ ((cold))
__libgcc_s_init(void)
{
void *resume, *personality;
void *handle;
handle = __libc_dlopen (LIBGCC_S_SO);
if (handle == NULL
|| (resume = __libc_dlsym (handle, "_Unwind_Resume")) == NULL
|| (personality = __libc_dlsym (handle, "__gcc_personality_v0")) == NULL)
{
fprintf (stderr,
LIBGCC_S_SO " must be installed for pthread_cancel to work\n");
abort();
}
__libgcc_s_resume = resume;
libgcc_s_personality = personality;
}
#if !HAVE_ARCH_UNWIND_RESUME
void attribute_hidden
_Unwind_Resume (struct _Unwind_Exception *exc)
{
if (__builtin_expect (libgcc_s_resume == NULL, 0))
__libgcc_s_init ();
__libgcc_s_resume (exc);
}
#endif
_Unwind_Reason_Code attribute_hidden
__gcc_personality_v0 PERSONALITY_PROTO
{
if (__builtin_expect (libgcc_s_personality == NULL, 0))
__libgcc_s_init ();
return libgcc_s_personality PERSONALITY_ARGS;
}
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