OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [glibc/] [sysdeps/] [openrisc/] [or32/] [bsd-setjmp.S] - Rev 1765

Compare with Previous | Blame | View Log

/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'.  OR32 version.
   Based on PowerPC version and on uClibc.

   Copyright (C) 1994, 1997, 1999, 2000, 2005 Free Software Foundation, Inc.
   Contributed by ???? FIXME
   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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

/* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
   We cannot do it in C because it must be a tail-call, so frame-unwinding
   in setjmp doesn't clobber the state restored by longjmp.  */

#include <sysdep.h>
#include <bp-sym.h>

ENTRY (BP_SYM (__setjmp))
        l.addi  r4,r0,1                 /* Set second argument to 1.  */
        l.j     JUMPTARGET (BP_SYM (__sigsetjmp))
        l.nop
END (BP_SYM (__setjmp))

strong_alias (__setjmp, setjmp)

Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.