b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
83 lines
2.8 KiB
ArmAsm
83 lines
2.8 KiB
ArmAsm
/* $NetBSD: compat_sigsetjmp.S,v 1.2 2009/12/14 03:04:33 matt Exp $ */
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/*-
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* Copyright (c) 1991, 1993, 1995,
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Havard Eidnes.
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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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* 3. 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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#include <sys/syscall.h>
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#include <mips/asm.h>
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#include <mips/regdef.h>
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#include "assym.h"
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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ASMSTR("from: @(#)setjmp.s 8.1 (Berkeley) 6/4/93")
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#else
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ASMSTR("$NetBSD: compat_sigsetjmp.S,v 1.2 2009/12/14 03:04:33 matt Exp $")
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#endif
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#endif /* LIBC_SCCS and not lint */
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/*
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* C library -- sigsetjmp, siglongjmp
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*
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* siglongjmp(a,v)
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* will generate a "return(v)" from
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* the last call to
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* sigsetjmp(a, savemask)
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* by restoring registers from the stack,
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* and dependent on savemask restores the
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* signal mask.
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*/
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LEAF(sigsetjmp)
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SETUP_GP
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SETUP_GP64(t0, sigsetjmp)
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INT_S a1, _OFFSETOF_SC_MASK13(a0) # save "savemask"
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bne a1, 0x0, 1f # do saving of signal mask?
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PTR_LA t9, _C_LABEL(_setjmp)
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jr t9
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1: PTR_LA t9, _C_LABEL(setjmp)
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jr t9
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END(sigsetjmp)
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LEAF(siglongjmp)
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SETUP_GP
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SETUP_GP64(t0, siglongjmp)
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INT_L t1, _OFFSETOF_SC_MASK13(a0) # get "savemask"
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bne t1, 0x0, 1f # restore signal mask?
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PTR_LA t9, _C_LABEL(_longjmp)
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jr t9
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1: PTR_LA t9, _C_LABEL(longjmp)
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jr t9
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END(siglongjmp)
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