From 5b6e897d01a07f8391351a07321f2bcb7c025a7e Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Thu, 22 Feb 2001 05:29:50 +0000 Subject: Patch from Jean-Yves Avenard to add missing siglongjmp entry and fix a bug in setjmp for SH --- libc/sysdeps/linux/sh/longjmp.c | 58 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 libc/sysdeps/linux/sh/longjmp.c (limited to 'libc/sysdeps/linux/sh/longjmp.c') diff --git a/libc/sysdeps/linux/sh/longjmp.c b/libc/sysdeps/linux/sh/longjmp.c new file mode 100644 index 000000000..73a8e7504 --- /dev/null +++ b/libc/sysdeps/linux/sh/longjmp.c @@ -0,0 +1,58 @@ +/* Copyright (C) 1991, 92, 94, 95, 97, 98, 2000 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include +#include +#include + + +/* 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 +__uClibc_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, &env[0].__saved_mask, + (sigset_t *) NULL); + + /* Call the machine-dependent function to restore machine state. */ + __longjmp (env[0].__jmpbuf, val ?: 1); +} + +//strong_alias (__uClibc_siglongjmp, __uClibc_longjmp) + +//_weak_alias (__uClibc_siglongjmp, _longjmp) +asm(".weak _longjmp"); +asm("_longjmp = __uClibc_siglongjmp"); + +//weak_alias (__uClibc_siglongjmp, longjmp) +asm(".weak longjmp"); +asm("longjmp = __uClibc_siglongjmp"); + +//weak_alias (__uClibc_siglongjmp, siglongjmp) +asm(".weak siglongjmp"); +asm("siglongjmp = __uClibc_siglongjmp"); + +asm(".weak __sigprocmask"); +asm("__sigprocmask = sigprocmask"); + -- cgit v1.2.3