mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 07:10:06 +00:00
04bf7d2d8a
Otherwise on gnu-i686 there are unwanted PLT entries in libc.so when fortification is enabled. Tested for i686-gnu, x86_64-gnu, i686-linux-gnu and x86_64-linux-gnu
54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/* Copyright (C) 1991-2023 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/>. */
|
|
|
|
#include <stddef.h>
|
|
#include <setjmpP.h>
|
|
#include <signal.h>
|
|
|
|
#undef longjmp
|
|
#undef siglongjmp
|
|
|
|
/* 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
|
|
__libc_siglongjmp (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,
|
|
(sigset_t *) &env[0].__saved_mask,
|
|
(sigset_t *) NULL);
|
|
|
|
/* Call the machine-dependent function to restore machine state. */
|
|
__longjmp (env[0].__jmpbuf, val ?: 1);
|
|
}
|
|
|
|
#ifndef __libc_siglongjmp
|
|
# ifndef __libc_longjmp
|
|
/* __libc_longjmp is a private interface for cancellation implementation
|
|
in libpthread. */
|
|
strong_alias (__libc_siglongjmp, __libc_longjmp)
|
|
# endif
|
|
weak_alias (__libc_siglongjmp, _longjmp)
|
|
weak_alias (__libc_siglongjmp, longjmp)
|
|
weak_alias (__libc_siglongjmp, siglongjmp)
|
|
#endif
|