105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
/* $NetBSD: abortfixup.c,v 1.7 2005/12/24 21:22:46 perry 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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* 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 by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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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*
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* Trying out if an unhandled instruction pattern in the late abort fixup
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* generates a panic or sysfaults like it ought to do.
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*/
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#include <sys/types.h>
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__RCSID("$NetBSD: abortfixup.c,v 1.7 2005/12/24 21:22:46 perry Exp $");
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#include <setjmp.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdio.h>
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jmp_buf buf;
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void
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sighandler(int sig)
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{
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/* Catching SIGSEGV means the test passed. */
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longjmp(buf, 1);
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}
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int
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main(void)
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{
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if (signal(SIGSEGV, sighandler) == SIG_ERR)
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err(1, "signal");
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printf("ARM6/7 abort fixup panic\n");
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/*
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* issue an instruction that for certain generates a page
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* fault but _can't_ be fixed up by late abort fixup
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* routines due to its structure.
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*/
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if (setjmp(buf) == 0) {
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__asm volatile (
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" mov r0, #0 \n"
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" mov r1, r0 \n"
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" str r1, [r0], r1, ror #10");
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/* Should not be reached if OK */
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printf("!!! Regression test FAILED - no SEGV recieved\n");
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exit(1);
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}
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printf("ARM2/3 abort address panic\n");
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/* Similar but pre-indexed, to check ARM2/3 abort address function. */
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if (setjmp(buf) == 0) {
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__asm volatile (
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" mov r0, #0 \n"
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" mov r1, r0 \n"
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" str r1, [r0, r1, ror #10]");
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/* Should not be reached if OK */
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printf("!!! Regression test FAILED - no SEGV recieved\n");
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exit(1);
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}
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printf("All OK\n");
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exit(0);
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};
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