| /*- |
| * 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; \ |
| .align 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 |
