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Fri, 21 May 2021 03:01:49 +0000 (GMT) Received: from vm.lan (unknown [9.145.39.144]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 21 May 2021 03:01:49 +0000 (GMT) From: Ilya Leoshkevich To: Richard Henderson , David Hildenbrand , Laurent Vivier Subject: [PATCH 2/2] tests/tcg/s390x: Test SIGILL handling Date: Fri, 21 May 2021 05:01:46 +0200 Message-Id: <20210521030146.2831663-3-iii@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210521030146.2831663-1-iii@linux.ibm.com> References: <20210521030146.2831663-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: -JrxCEDf0QvfK60z5Fd990NypDYUj0kO X-Proofpoint-ORIG-GUID: E8vJUXhpV080fuk28tmMAqYoFqKRtfFG X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-05-20_07:2021-05-20, 2021-05-20 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 mlxlogscore=999 malwarescore=0 bulkscore=0 mlxscore=0 suspectscore=0 adultscore=0 impostorscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2105210017 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Christian Borntraeger , qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Ilya Leoshkevich , Andreas Krebbel Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Verify that s390x-specific uc_mcontext.psw.addr is reported correctly. Signed-off-by: Ilya Leoshkevich --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/sigill.c | 41 +++++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) create mode 100644 tests/tcg/s390x/sigill.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 241ef28f61..8699d829a5 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -8,3 +8,4 @@ TESTS+=exrl-trtr TESTS+=pack TESTS+=mvo TESTS+=mvc +TESTS+=sigill diff --git a/tests/tcg/s390x/sigill.c b/tests/tcg/s390x/sigill.c new file mode 100644 index 0000000000..f8021dc6af --- /dev/null +++ b/tests/tcg/s390x/sigill.c @@ -0,0 +1,41 @@ +#include +#include +#include +#include +#include + +extern char expected_si_addr[]; +extern char expected_psw_addr[]; + +static void handle_signal(int sig, siginfo_t *info, void *ucontext) +{ + if (sig != SIGILL) { + _exit(1); + } + + if (info->si_addr != expected_si_addr) { + _exit(2); + } + + if (((ucontext_t *)ucontext)->uc_mcontext.psw.addr != + (unsigned long)expected_psw_addr) { + _exit(3); + } +} + +int main(void) +{ + struct sigaction act; + + memset(&act, 0, sizeof(act)); + act.sa_sigaction = handle_signal; + act.sa_flags = SA_SIGINFO; + + int ret = sigaction(SIGILL, &act, NULL); + assert(ret == 0); + + asm volatile("expected_si_addr:\t.byte\t0x00,0x00\n" + "expected_psw_addr:"); + + return 0; +}