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OpenZFS 7431 - ZFS Channel Programs

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Authored by: Chris Williamson <chris.williamson@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>
Ported-by: Don Brady <don.brady@delphix.com>
Ported-by: John Kennedy <john.kennedy@delphix.com>

OpenZFS-issue: https://www.illumos.org/issues/7431
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/dfc11533

Porting Notes:
* The CLI long option arguments for '-t' and '-m' don't parse on linux
* Switched from kmem_alloc to vmem_alloc in zcp_lua_alloc
* Lua implementation is built as its own module (zlua.ko)
* Lua headers consumed directly by zfs code moved to 'include/sys/lua/'
* There is no native setjmp/longjump available in stock Linux kernel.
  Brought over implementations from illumos and FreeBSD
* The get_temporary_prop() was adapted due to VFS platform differences
* Use of inline functions in lua parser to reduce stack usage per C call
* Skip some ZFS Test Suite ZCP tests on sparc64 to avoid stack overflow
This commit is contained in:
Chris Williamson
2018-02-08 09:16:23 -07:00
committed by Brian Behlendorf
parent 8824a7f133
commit d99a015343
179 changed files with 27056 additions and 273 deletions
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module/lua/setjmp/setjmp_arm.S
+67
View File
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/*-
* 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__)
#define ENTRY(x) \
.text; \
.align 2; \
.global x; \
.type x,#function; \
.code 32; \
x:
#define END(x) \
.size x, . - x;
#define RET bx lr
/*
* setjump + longjmp
*/
ENTRY(setjmp)
stmia r0, {r4-r14}
mov r0, #0x00000000
RET
END(setjmp)
ENTRY(longjmp)
ldmia r0, {r4-r14}
mov r0, #0x00000001
RET
END(longjmp)
#ifdef __ELF__
.section .note.GNU-stack,"",%progbits
#endif
#endif