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/*-
* Copyright 2004-2014 Olivier Houchard <cognet@FreeBSD.org>
* Copyright 2012-2014 Ian Lepore <ian@FreeBSD.org>
* Copyright 2013-2014 Andrew Turner <andrew@FreeBSD.org>
* Copyright 2014 Svatopluk Kraus <onwahe@gmail.com>
* Copyright 2014 Michal Meloun <meloun@miracle.cz>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(__arm__) && !defined(__aarch64__)
#if defined(__thumb2__)
#define _FUNC_MODE .code 16; .thumb_func
#else
#define _FUNC_MODE .code 32
#endif
#define ENTRY(x) \
.text; \
.syntax unified; \
.balign 2; \
.global x; \
.type x,#function; \
_FUNC_MODE; \
x:
#define END(x) \
.size x, . - x;
#define RET bx lr
/*
* setjump + longjmp
*/
ENTRY(setjmp)
#if defined(__thumb2__)
mov ip, sp
stmia r0, {r4-r12,r14}
#else
stmia r0, {r4-r14}
#endif
mov r0, #0x00000000
RET
END(setjmp)
ENTRY(longjmp)
#if defined(__thumb2__)
ldmia r0, {r4-r12,r14}
mov sp, ip
#else
ldmia r0, {r4-r14}
#endif
mov r0, #0x00000001
RET
END(longjmp)
#ifdef __ELF__
.section .note.GNU-stack,"",%progbits
#endif
#endif
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