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/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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; if not, see
<https://www.gnu.org/licenses/>. */
/* Copy of sysdeps/generic/longjmp.c modified for backward compatibility
with old non AltiVec/VMX longjmp. */
#include <bits/wordsize.h>
#include <shlib-compat.h>
#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)
# include <stddef.h>
# include <novmxsetjmp.h>
# include <signal.h>
/* Set the signal mask to the one specified in ENV, and jump
to the position specified in ENV, causing the setjmp
call there to return VAL, or 1 if VAL is 0. */
void
__novmx__libc_siglongjmp (__novmx__sigjmp_buf env, int val)
{
/* Perform any cleanups needed by the frames being unwound. */
_longjmp_unwind (env, val);
if (env[0].__mask_was_saved)
/* Restore the saved signal mask. */
(void) __sigprocmask (SIG_SETMASK, &env[0].__saved_mask,
(sigset_t *) NULL);
/* Call the machine-dependent function to restore machine state. */
__novmx__longjmp (env[0].__jmpbuf, val ?: 1);
}
strong_alias (__novmx__libc_siglongjmp, __novmx__libc_longjmp)
libc_hidden_def (__novmx__libc_longjmp)
weak_alias (__novmx__libc_siglongjmp, __novmx_longjmp)
weak_alias (__novmx__libc_siglongjmp, __novmxlongjmp)
weak_alias (__novmx__libc_siglongjmp, __novmxsiglongjmp)
compat_symbol (libc, __novmx_longjmp, _longjmp, GLIBC_2_0);
compat_symbol (libc, __novmxlongjmp, longjmp, GLIBC_2_0);
compat_symbol (libc, __novmxsiglongjmp, siglongjmp, GLIBC_2_0);
#endif /* defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)) */
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