2 Copyright (C) 2000 Free Software Foundation, Inc.
3 Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public License as
8 published by the Free Software Foundation; either version 2 of the
9 License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
16 You should have received a copy of the GNU Library General Public
17 License along with the GNU C Library; see the file COPYING.LIB. If not,
18 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
26 #include <bits/setjmp.h>
28 /* Save the current program position in ENV and return 0. */
29 /* R2 = pointer to jmp_buf, R3 = savemask */
31 /* Binary compatibility entry point. */
34 sr %r3,%r3 /* set savemask to zero */
38 stm %r6,%r15,0(%r2) /* store registers in jmp_buf */
40 /* We cannot use the PLT, because it requires that %r12 be set, but
41 we can't save and restore our caller's value. Instead, we do an
42 indirect jump through the GOT. */
44 .L0: al %r1,.L1 - .L0(0,%r1) /* get address of global offset table */
45 /* get address of __sigjmp_save from got */
46 l %r1,__sigjmp_save@GOT12(0,%r1)
48 .L1: .long _GLOBAL_OFFSET_TABLE_ - .L0
51 .L0: l %r1,.L1-.L0(0,%r1) /* load address of __sigjmp_save */
52 br %r1 /* tail-call __sigjmp_save */
53 .L1: .long __sigjmp_save