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/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. m68k version.
Copyright (C) 1994, 1997 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, 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, 0)'.
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>
#ifdef MOTOROLA_SYNTAX
#define d0 %d0
#define d1 %d1
#define PUSH(reg) move.l reg, -(%sp)
#define POP(reg) move.l (%sp)+, reg
#define PUSH0 clr.l -(%sp)
#else
#define PUSH(reg) movel reg, sp@-
#define POP(reg) movel sp@+, reg
#define PUSH0 clrl sp@-
#endif
ENTRY (_setjmp)
POP (d0) /* Pop return PC. */
POP (d1) /* Pop jmp_buf argument. */
PUSH0 /* Push second argument of zero. */
PUSH (d1) /* Push back first argument. */
PUSH (d0) /* Push back return PC. */
#ifdef PIC
bra.l C_SYMBOL_NAME (__sigsetjmp@PLTPC)
#else
jmp C_SYMBOL_NAME (__sigsetjmp)
#endif
END (_setjmp)
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