/*-
* Copyright (c) 2025 The NetBSD Foundation, Inc.
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#define _LOCORE
#include <sys/syscall.h>
#include <machine/asm.h>
#include "execregs.h"
ENTRY(execregs_start)
andq $-0x10,%rsp /* align stack to 16-byte boundary */
/* store registers to a buffer on stack */
subq $(NEXECREGS*8),%rsp /* space for NEXECREGS registers */
movq %rdi,0*8(%rsp) /* order matches execregs.h */
movq %rsi,1*8(%rsp)
movq %rdx,2*8(%rsp)
movq %r10,3*8(%rsp)
movq %r8,4*8(%rsp)
movq %r9,5*8(%rsp)
movq %rcx,6*8(%rsp)
movq %r11,7*8(%rsp)
movq %r12,8*8(%rsp)
movq %r13,9*8(%rsp)
movq %r14,10*8(%rsp)
movq %r15,11*8(%rsp)
movq %rbp,12*8(%rsp)
movq %rax,13*8(%rsp)
