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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
		
			
				
	
	
		
			106 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
/*
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 * Copyright (c) 1992, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * This software was developed by the Computer Systems Engineering group
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 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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 * contributed to Berkeley.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 4. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 *	$Header: _setjmp.s,v 1.1 91/07/06 16:45:53 torek Exp
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 */
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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	.asciz "@(#)_setjmp.s	8.1 (Berkeley) 6/4/93"
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#else
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	RCSID("$NetBSD: _setjmp.S,v 1.4 1998/10/08 02:27:59 eeh Exp $")
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#endif
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#endif /* LIBC_SCCS and not lint */
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#define	_JB_FP		0x0
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#define	_JB_PC		0x8
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#define	_JB_SP		0x10
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	.register %g2,#ignore
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	.register %g3,#ignore
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#define	ENTRY(x)		\
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	.text ;			\
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	.align 32 ;		\
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	.globl	x ;		\
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	.type	x,@function ;	\
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x:
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#define	END(x)			\
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	.size x, . - x
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/*
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 * C library -- setjmp, longjmp
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 *
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 *	longjmp(a,v)
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 * will generate a "return(v?v:1)" from
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 * the last call to
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 *	setjmp(a)
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 * by restoring the previous context.
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 */
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ENTRY(setjmp)
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	stx	%sp, [%o0 + _JB_SP]
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	stx	%o7, [%o0 + _JB_PC]
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	stx	%fp, [%o0 + _JB_FP]
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	retl
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	 clr	%o0
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END(setjmp)
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ENTRY(longjmp)
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	mov	1, %g1
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	movrnz	%o1, %o1, %g1
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	mov	%o0, %g2
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	ldx	[%g2 + _JB_FP], %g3
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1:	cmp	%fp, %g3
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	bl,a	1b
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	 restore
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	be,a	2f
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	 ldx	[%g2 + _JB_SP], %o0
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.Lbotch:
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	illtrap
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2:	cmp	%o0, %sp
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	bge,a	3f
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	 mov	%o0, %sp
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	b,a	.Lbotch
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	 nop
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3:	ldx	[%g2 + _JB_PC], %o7
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	retl
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	 mov	%g1, %o0
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END(longjmp)
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#ifdef __ELF__
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.section .note.GNU-stack,"",%progbits
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#endif
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