diff options
Diffstat (limited to 'module/lua/setjmp/setjmp_arm.S')
| -rw-r--r-- | module/lua/setjmp/setjmp_arm.S | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/module/lua/setjmp/setjmp_arm.S b/module/lua/setjmp/setjmp_arm.S new file mode 100644 index 000000000000..78bc3e0b347d --- /dev/null +++ b/module/lua/setjmp/setjmp_arm.S @@ -0,0 +1,84 @@ +/*- + * 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 |
