mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2025-10-26 18:05:04 +03:00
9530eb64e0
Sponsored-by: https://despairlabs.com/sponsor/ Signed-off-by: Rob Norris <robn@despairlabs.com> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
74 lines
1.8 KiB
ArmAsm
74 lines
1.8 KiB
ArmAsm
// SPDX-License-Identifier: CDDL-1.0
|
|
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or https://opensource.org/licenses/CDDL-1.0.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
|
|
*/
|
|
|
|
#if defined(_KERNEL) && defined(__linux__)
|
|
#include <linux/linkage.h>
|
|
#endif
|
|
|
|
/*
|
|
* Setjmp and longjmp implement non-local gotos using state vectors
|
|
* type label_t.
|
|
*/
|
|
#ifdef __x86_64__
|
|
|
|
#define _ASM
|
|
#include <sys/asm_linkage.h>
|
|
|
|
ENTRY_ALIGN(setjmp, 8)
|
|
movq %rsp, 0(%rdi)
|
|
movq %rbp, 8(%rdi)
|
|
movq %rbx, 16(%rdi)
|
|
movq %r12, 24(%rdi)
|
|
movq %r13, 32(%rdi)
|
|
movq %r14, 40(%rdi)
|
|
movq %r15, 48(%rdi)
|
|
movq 0(%rsp), %rdx /* return address */
|
|
movq %rdx, 56(%rdi) /* rip */
|
|
xorl %eax, %eax /* return 0 */
|
|
RET
|
|
SET_SIZE(setjmp)
|
|
|
|
ENTRY_ALIGN(longjmp, 8)
|
|
movq 0(%rdi), %rsp
|
|
movq 8(%rdi), %rbp
|
|
movq 16(%rdi), %rbx
|
|
movq 24(%rdi), %r12
|
|
movq 32(%rdi), %r13
|
|
movq 40(%rdi), %r14
|
|
movq 48(%rdi), %r15
|
|
movq 56(%rdi), %rdx /* return address */
|
|
movq %rdx, 0(%rsp)
|
|
xorl %eax, %eax
|
|
incl %eax /* return 1 */
|
|
RET
|
|
SET_SIZE(longjmp)
|
|
|
|
#ifdef __ELF__
|
|
.section .note.GNU-stack,"",%progbits
|
|
#endif
|
|
|
|
#endif /* __x86_64__ */
|