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bh=ubA66O50Knk7PN+0Jzi5BAyjq6VNaG1ymKy8TI/O8AQ=; b=bOjtjizeTxVrndkmLKjDpgzTgzaAoNhU/UMETnbG5/TGPB4fv28y34j7YOkMmBqbK3aKcT sxIJH1psw53J8LJmkIDNQv3luue1Y+/2K7yy+c5ejNhbeVTwWEsFGk7WWBRwNMjCmvFSSD zNy1YZxvLzoBChkjohoUcDunUJJsc7w= X-MC-Unique: Ps3OYlFJPkeogs2V8TKbYA-1 From: Thomas Huth To: qemu-devel@nongnu.org Cc: Stefan Hajnoczi , Ilya Leoshkevich , Richard Henderson Subject: [PULL 07/11] tests/tcg/s390x: Test CLC with inaccessible second operand Date: Tue, 7 Nov 2023 19:32:24 +0100 Message-ID: <20231107183228.276424-8-thuth@redhat.com> In-Reply-To: <20231107183228.276424-1-thuth@redhat.com> References: <20231107183228.276424-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.6 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1699382065824100003 Content-Type: text/plain; charset="utf-8" From: Ilya Leoshkevich Add a small test to prevent regressions. Signed-off-by: Ilya Leoshkevich Reviewed-by: Richard Henderson Message-ID: <20231106093605.1349201-3-iii@linux.ibm.com> Signed-off-by: Thomas Huth --- tests/tcg/s390x/clc.c | 48 +++++++++++++++++++++++++++++++++ tests/tcg/s390x/Makefile.target | 1 + 2 files changed, 49 insertions(+) create mode 100644 tests/tcg/s390x/clc.c diff --git a/tests/tcg/s390x/clc.c b/tests/tcg/s390x/clc.c new file mode 100644 index 0000000000..e14189bd75 --- /dev/null +++ b/tests/tcg/s390x/clc.c @@ -0,0 +1,48 @@ +/* + * Test the CLC instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include +#include +#include +#include + +static void handle_sigsegv(int sig, siginfo_t *info, void *ucontext) +{ + mcontext_t *mcontext =3D &((ucontext_t *)ucontext)->uc_mcontext; + if (mcontext->gregs[0] !=3D 600) { + write(STDERR_FILENO, "bad r0\n", 7); + _exit(EXIT_FAILURE); + } + if (((mcontext->psw.mask >> 44) & 3) !=3D 1) { + write(STDERR_FILENO, "bad cc\n", 7); + _exit(EXIT_FAILURE); + } + _exit(EXIT_SUCCESS); +} + +int main(void) +{ + register unsigned long r0 asm("r0"); + unsigned long mem =3D 42, rhs =3D 500; + struct sigaction act; + int err; + + memset(&act, 0, sizeof(act)); + act.sa_sigaction =3D handle_sigsegv; + act.sa_flags =3D SA_SIGINFO; + err =3D sigaction(SIGSEGV, &act, NULL); + assert(err =3D=3D 0); + + r0 =3D 100; + asm("algr %[r0],%[rhs]\n" + "clc 0(8,%[mem]),0(0)\n" /* The 2nd operand will cause a SEGV. */ + : [r0] "+r" (r0) + : [mem] "r" (&mem) + , [rhs] "r" (rhs) + : "cc", "memory"); + + return EXIT_FAILURE; +} diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.tar= get index 826f0a18e4..ccd4f4e68d 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -41,6 +41,7 @@ TESTS+=3Dlarl TESTS+=3Dmdeb TESTS+=3Dcgebra TESTS+=3Dclgebr +TESTS+=3Dclc =20 cdsg: CFLAGS+=3D-pthread cdsg: LDFLAGS+=3D-pthread --=20 2.41.0