diff options
Diffstat (limited to 'sys/contrib/openzfs/module/lua/setjmp/setjmp_aarch64.S')
-rw-r--r-- | sys/contrib/openzfs/module/lua/setjmp/setjmp_aarch64.S | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/module/lua/setjmp/setjmp_aarch64.S b/sys/contrib/openzfs/module/lua/setjmp/setjmp_aarch64.S new file mode 100644 index 000000000000..a5a9a85fd57e --- /dev/null +++ b/sys/contrib/openzfs/module/lua/setjmp/setjmp_aarch64.S @@ -0,0 +1,86 @@ +/*- + * Copyright (c) 2014 Andrew Turner + * Copyright (c) 2014-2015 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by Andrew Turner + * under sponsorship from the FreeBSD Foundation + * + * 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. + * + */ + + +#ifdef __aarch64__ + +#define ENTRY(sym) \ + .text; \ + .globl sym; \ + .align 2; \ + .type sym,#function; \ +sym: + +#define END(sym) \ + .size sym, . - sym + + +ENTRY(setjmp) + /* Store the stack pointer */ + mov x8, sp + str x8, [x0], #8 + + /* Store the general purpose registers and lr */ + stp x19, x20, [x0], #16 + stp x21, x22, [x0], #16 + stp x23, x24, [x0], #16 + stp x25, x26, [x0], #16 + stp x27, x28, [x0], #16 + stp x29, x30, [x0], #16 + + /* Return value */ + mov x0, #0 + ret +END(setjmp) + +ENTRY(longjmp) + /* Restore the stack pointer */ + ldr x8, [x0], #8 + mov sp, x8 + + /* Restore the general purpose registers and lr */ + ldp x19, x20, [x0], #16 + ldp x21, x22, [x0], #16 + ldp x23, x24, [x0], #16 + ldp x25, x26, [x0], #16 + ldp x27, x28, [x0], #16 + ldp x29, x30, [x0], #16 + + /* Load the return value */ + mov x0, x1 + ret +END(longjmp) + +#ifdef __ELF__ +.section .note.GNU-stack,"",%progbits +#endif + +#endif /* __aarch64__ */ |