mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 23:10:06 +00:00
64 lines
2.4 KiB
C
64 lines
2.4 KiB
C
/* Copyright (C) 1991,92,94,95,97,98,2000,2002,2003,2004
|
|
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
|
|
<http://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)
|
|
|
|
# if __WORDSIZE == 64
|
|
symbol_version (__novmx_longjmp,_longjmp,GLIBC_2.3);
|
|
symbol_version (__novmxlongjmp,longjmp,GLIBC_2.3);
|
|
symbol_version (__novmxsiglongjmp,siglongjmp,GLIBC_2.3);
|
|
# else
|
|
symbol_version (__novmx_longjmp,_longjmp,GLIBC_2.0);
|
|
symbol_version (__novmxlongjmp,longjmp,GLIBC_2.0);
|
|
symbol_version (__novmxsiglongjmp,siglongjmp,GLIBC_2.0);
|
|
# endif
|
|
#endif /* defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)) */
|