uclibc-ng/libc/sysdeps/linux/sparc/setjmp.S

/* Copyright (C) 1991, 93, 94, 96, 97, 98 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.  */

/* Code taken from glibc2.2.2/sysdeps/sparc/sparc32/setjmp.S */

#include <sysdep.h>
#include <sys/trap.h>
#include "sysdep.h"

#define _ASM 1
#define _SETJMP_H
#include <bits/setjmp.h>

ENTRY(_setjmp)
	b	1f
	 set	0, %o1
END(_setjmp)

ENTRY(setjmp)
	set	1, %o1
END(setjmp)

ENTRY (__sigsetjmp)
1:
	/* Save our PC, SP and FP.  Save the signal mask if requested with
	   a tail-call for simplicity; it always returns zero.  */
	ta	ST_FLUSH_WINDOWS

	st	%o7, [%o0 + (JB_PC * 4)]
	st	%sp, [%o0 + (JB_SP * 4)]
	st	%fp, [%o0 + (JB_FP * 4)]

	mov	%o7, %g1
	call	__sigjmp_save
	 mov	%g1, %o7
END(__sigsetjmp)

//weak_extern(_setjmp)
//weak_extern(setjmp)