101 lines
3.2 KiB
ArmAsm
101 lines
3.2 KiB
ArmAsm
/* $NetBSD: __sigsetjmp14.S,v 1.3 2003/03/24 14:29:34 scw Exp $ */
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/*
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* Copyright 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Steve C. Woodford for Wasabi Systems, Inc.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* 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 WASABI SYSTEMS, INC
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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 <machine/setjmp.h>
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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, mask)
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* by restoring registers from the stack.
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* If `mask' is non-zero, the previous signal
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* state will be restored.
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*/
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ENTRY_NOPROFILE(__sigsetjmp14)
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LINK_FRAME(8)
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PIC_PROLOGUE
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st.q r14, 0, r2
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#ifndef _LP64
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st.l r2, _JBLEN*4, r3 /* Save mask */
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#else
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st.q r2, _JBLEN*8, r3 /* Save mask */
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#endif
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pta/l 1f, tr0
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pta/l 2f, tr1
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beq/l r3, r63, tr0 /* If mask == 0, don't save signals */
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PIC_PTAL(_C_LABEL(__setjmp14), r0, tr0)
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blink tr1, r63
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1: PIC_PTAL(_C_LABEL(_setjmp), r0, tr0)
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2: blink tr0, r18 /* Call appropriate setjmp() */
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/*
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* We have to compensate for the stack frame and PIC_PROLOGUE
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*/
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ld.q r14, 0, r3
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PIC_EPILOGUE
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UNLINK_FRAME(8)
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ptabs/l r18, tr0
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#ifdef PIC
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st.q r3, _JB_R12, r12 /* PIC 'GOT' pointer */
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#endif
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st.q r3, _JB_R14, r14
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st.q r3, _JB_R15, r15
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st.q r3, _JB_R18, r18
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st.q r3, _JB_PC, r18
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blink tr0, r63
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ENTRY_NOPROFILE(__siglongjmp14)
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PIC_PROLOGUE
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#ifndef _LP64
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ld.l r2, _JBLEN*4, r4 /* Fetch mask */
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#else
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ld.q r2, _JBLEN*8, r4 /* Fetch mask */
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#endif
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PIC_PTAL(_C_LABEL(__longjmp14), r0, tr0)
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PIC_PTAU(_C_LABEL(_longjmp), r0, tr1)
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beq/u r4, r63, tr1 /* If mask == 0, don't restore sigs */
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blink tr0, r63 /* Else, restore them */
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