1 /* $NetBSD: sigsetjmp.S,v 1.8 2013/11/30 20:20:42 joerg Exp $ */
4 * Copyright (c) 1997 Mark Brinicombe
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Mark Brinicombe
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <machine/asm.h>
36 #include <machine/setjmp.h>
39 * C library -- sigsetjmp, siglongjmp
42 * will generate a "return(v)" from the last call to
44 * by restoring registers from the stack.
45 * The previous signal state is restored.
49 #if defined(__thumb__) && defined(_ARM_ARCH_T2)
51 b PLT_SYM(_C_LABEL(_setjmp))
52 1: b PLT_SYM(_C_LABEL(__setjmp14))
53 #elif !defined(__thumb__)
55 beq PLT_SYM(_C_LABEL(_setjmp))
56 b PLT_SYM(_C_LABEL(__setjmp14))
60 bl PLT_SYM(_C_LABEL(__setjmp14))
62 1: bl PLT_SYM(_C_LABEL(_setjmp))
69 #if !defined(__thumb__)
70 bics r3, r3, #(_JB_MAGIC_SETJMP ^ _JB_MAGIC_SETJMP_VFP)
72 movs r2, #(_JB_MAGIC_SETJMP ^ _JB_MAGIC_SETJMP_VFP)
75 ldr r2, .L_setjmp_magic
77 #if !defined(__thumb__) || defined(_ARM_ARCH_T2)
81 beq PLT_SYM(_C_LABEL(_longjmp))
82 b PLT_SYM(_C_LABEL(__longjmp14))
86 bl PLT_SYM(_C_LABEL(__longjmp14))
88 11: bl PLT_SYM(_C_LABEL(_longjmp))
94 .word _JB_MAGIC__SETJMP