1 /* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. m68k version.
2 Copyright (C) 1994, 1997 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 /* This just does a tail-call to `__sigsetjmp (ARG, 0)'.
21 We cannot do it in C because it must be a tail-call, so frame-unwinding
22 in setjmp doesn't clobber the state restored by longjmp. */
26 #ifdef MOTOROLA_SYNTAX
29 #define PUSH(reg) move.l reg, -(%sp)
30 #define POP(reg) move.l (%sp)+, reg
31 #define PUSH0 clr.l -(%sp)
33 #define PUSH(reg) movel reg, sp@-
34 #define POP(reg) movel sp@+, reg
35 #define PUSH0 clrl sp@-
39 POP (d0) /* Pop return PC. */
40 POP (d1) /* Pop jmp_buf argument. */
41 PUSH0 /* Push second argument of zero. */
42 PUSH (d1) /* Push back first argument. */
43 PUSH (d0) /* Push back return PC. */
45 bra.l C_SYMBOL_NAME (__sigsetjmp@PLTPC)
47 jmp C_SYMBOL_NAME (__sigsetjmp)