84d9c625bf
- Fix for possible unset uid/gid in toproto
- Fix for default mtree style
- Update libelf
- Importing libexecinfo
- Resynchronize GCC, mpc, gmp, mpfr
- build.sh: Replace params with show-params.
This has been done as the make target has been renamed in the same
way, while a new target named params has been added. This new
target generates a file containing all the parameters, instead of
printing it on the console.
- Update test48 with new etc/services (Fix by Ben Gras <ben@minix3.org)
get getservbyport() out of the inner loop
Change-Id: Ie6ad5226fa2621ff9f0dee8782ea48f9443d2091
62 lines
2.4 KiB
ArmAsm
62 lines
2.4 KiB
ArmAsm
/* $NetBSD: resumecontext.S,v 1.8 2013/07/17 03:04:54 matt Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Klaus Klein.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <machine/asm.h>
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#include "assym.h"
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#if defined(LIBC_SCCS) && !defined(lint)
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RCSID("$NetBSD: resumecontext.S,v 1.8 2013/07/17 03:04:54 matt Exp $")
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#endif /* LIBC_SCCS && !lint */
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/*
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* This assembly-language implementation differs from the (obvious)
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* C-language implementation only in not clobbering the previous
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* function's return address (us), which is the point of the exercise.
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*/
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ENTRY(_resumecontext)
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subl #(4 + UC_SIZE),%sp /* retaddr preservation + ucontext_t */
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lea (%sp),%a0
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movl %a0,-(%sp)
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jbsr PIC_PLT(_C_LABEL(_getcontext))
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movl (4 + UC_LINK)(%sp),(%sp) /* uc_link */
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tstl (%sp) /* check for NULL */
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jne 1f
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jbsr PIC_PLT(_C_LABEL(exit)) /* cleanly exit(0) */
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jmp 2f
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1: jbsr PIC_PLT(_C_LABEL(setcontext))
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/* NOTREACHED */
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/* But just in case... */
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2: movl #-1,(%sp)
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jbsr PIC_PLT(_C_LABEL(_exit))
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/* NOTREACHED */
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END(_resumecontext)
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