2 Copyright (C) 2000, 2001, 2005 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 Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the 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 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
26 #include <bits/setjmp.h>
28 /* Save the current program position in ENV and return 0. */
29 /* R2 = pointer to jmp_buf, R3 = savemask */
33 stm %r6,%r13,0(%r2) /* store registers in jmp_buf */
37 PTR_MANGLE2 (%r5, %r1)
40 stm %r6,%r15,0(%r2) /* store registers in jmp_buf */
44 #if defined NOT_IN_libc && defined IS_IN_rtld
45 /* In ld.so we never save the signal mask. */
49 /* We cannot use the PLT, because it requires that %r12 be set, but
50 we can't save and restore our caller's value. Instead, we do an
51 indirect jump through the GOT. */
53 .L0: al %r1,.L1 - .L0(0,%r1) /* get address of global offset table */
54 /* get address of __sigjmp_save from got */
55 l %r1,__sigjmp_save@GOT12(0,%r1)
57 .L1: .long _GLOBAL_OFFSET_TABLE_ - .L0
60 .L0: l %r1,.L1-.L0(0,%r1) /* load address of __sigjmp_save */
61 br %r1 /* tail-call __sigjmp_save */
62 .L1: .long __sigjmp_save