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Tue, 16 Jan 2024 00:41:50 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3659720043; Tue, 16 Jan 2024 00:41:50 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CB9C720040; Tue, 16 Jan 2024 00:41:49 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.179.4.64]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 16 Jan 2024 00:41:49 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=oj/gpNPd5eHDZ/XSLkNUkxw/MEUtCzSfoyCEj5Ng0T4=; b=CYXn7mECIqs/UK/HR1L65bcU7bPPlZe5ymEroz0Kx8aI3KI5itwvJtZ0R4n1uQmb6D32 tJXC322uiEEyI3BNCNrbV/o8PmzMGtY8Ll/qy20KEYhpbDI7h0giMkvRl/bOUwcEu5D9 WDQ3WGyewKL/0+0RawKuhxSUpWxpXEYMcd79bc0KUPhDKhwOMtwcLmX36jYNFEnw6fqQ d9ptspGrzHrzdlrAPPrl1A9nRfWMsQRDGCn9ioBkttxJizyj4+4dyac1bemk9nyTRzLV wX5VqwlLoSbP3p+RPsRiQ/QJekrVnDJjeY0HrAIrWtvnh7lUM+TymF9e2OkhmCk040tw iw== From: Ilya Leoshkevich To: =?UTF-8?q?Alex=20Benn=C3=A9e?= , Riku Voipio Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH 2/2] tests/tcg: Add the syscall catchpoint gdbstub test Date: Tue, 16 Jan 2024 01:40:12 +0100 Message-ID: <20240116004141.78626-3-iii@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240116004141.78626-1-iii@linux.ibm.com> References: <20240116004141.78626-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: nQLJn1TXnvtuVINeIJmyFmzPF4RHPulL X-Proofpoint-ORIG-GUID: nQLJn1TXnvtuVINeIJmyFmzPF4RHPulL X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-15_17,2024-01-15_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 phishscore=0 spamscore=0 mlxscore=0 bulkscore=0 impostorscore=0 lowpriorityscore=0 mlxlogscore=967 priorityscore=1501 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401160002 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=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=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 @ibm.com) X-ZM-MESSAGEID: 1705365744745100003 Content-Type: text/plain; charset="utf-8" Check that adding/removing syscall catchpoints works. Signed-off-by: Ilya Leoshkevich --- tests/tcg/multiarch/Makefile.target | 10 +++- tests/tcg/multiarch/catch-syscalls.c | 51 ++++++++++++++++++ tests/tcg/multiarch/gdbstub/catch-syscalls.py | 52 +++++++++++++++++++ 3 files changed, 112 insertions(+), 1 deletion(-) create mode 100644 tests/tcg/multiarch/catch-syscalls.c create mode 100644 tests/tcg/multiarch/gdbstub/catch-syscalls.py diff --git a/tests/tcg/multiarch/Makefile.target b/tests/tcg/multiarch/Make= file.target index 315a2e13588..e10951a8016 100644 --- a/tests/tcg/multiarch/Makefile.target +++ b/tests/tcg/multiarch/Makefile.target @@ -108,13 +108,21 @@ run-gdbstub-prot-none: prot-none --bin $< --test $(MULTIARCH_SRC)/gdbstub/prot-none.py, \ accessing PROT_NONE memory) =20 +run-gdbstub-catch-syscalls: catch-syscalls + $(call run-test, $@, $(GDB_SCRIPT) \ + --gdb $(GDB) \ + --qemu $(QEMU) --qargs "$(QEMU_OPTS)" \ + --bin $< --test $(MULTIARCH_SRC)/gdbstub/catch-syscalls.py, \ + hitting a syscall catchpoint) + else run-gdbstub-%: $(call skip-test, "gdbstub test $*", "need working gdb with $(patsubst -%= ,,$(TARGET_NAME)) support") endif EXTRA_RUNS +=3D run-gdbstub-sha1 run-gdbstub-qxfer-auxv-read \ run-gdbstub-proc-mappings run-gdbstub-thread-breakpoint \ - run-gdbstub-registers run-gdbstub-prot-none + run-gdbstub-registers run-gdbstub-prot-none \ + run-gdbstub-catch-syscalls =20 # ARM Compatible Semi Hosting Tests # diff --git a/tests/tcg/multiarch/catch-syscalls.c b/tests/tcg/multiarch/cat= ch-syscalls.c new file mode 100644 index 00000000000..d1ff1936a7a --- /dev/null +++ b/tests/tcg/multiarch/catch-syscalls.c @@ -0,0 +1,51 @@ +/* + * Test GDB syscall catchpoints. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#define _GNU_SOURCE +#include +#include + +const char *catch_syscalls_state =3D "start"; + +void end_of_main(void) +{ +} + +int main(void) +{ + int ret =3D EXIT_FAILURE; + char c0 =3D 'A', c1; + int fd[2]; + + catch_syscalls_state =3D "pipe2"; + if (pipe2(fd, 0)) { + goto out; + } + + catch_syscalls_state =3D "write"; + if (write(fd[1], &c0, sizeof(c0)) !=3D sizeof(c0)) { + goto out_close; + } + + catch_syscalls_state =3D "read"; + if (read(fd[0], &c1, sizeof(c1)) !=3D sizeof(c1)) { + goto out_close; + } + + catch_syscalls_state =3D "check"; + if (c0 =3D=3D c1) { + ret =3D EXIT_SUCCESS; + } + +out_close: + catch_syscalls_state =3D "close"; + close(fd[0]); + close(fd[1]); + +out: + catch_syscalls_state =3D "end"; + end_of_main(); + return ret; +} diff --git a/tests/tcg/multiarch/gdbstub/catch-syscalls.py b/tests/tcg/mult= iarch/gdbstub/catch-syscalls.py new file mode 100644 index 00000000000..8bab12537fc --- /dev/null +++ b/tests/tcg/multiarch/gdbstub/catch-syscalls.py @@ -0,0 +1,52 @@ +"""Test GDB syscall catchpoints. + +SPDX-License-Identifier: GPL-2.0-or-later +""" +from test_gdbstub import main, report + + +def check_state(expected): + """Check the catch_syscalls_state value""" + actual =3D gdb.parse_and_eval("catch_syscalls_state").string() + report(actual =3D=3D expected, "{} =3D=3D {}".format(actual, expected)) + + +def run_test(): + """Run through the tests one by one""" + gdb.Breakpoint("main") + gdb.execute("continue") + + # Check that GDB stops for pipe2/read calls/returns, but not for write. + gdb.execute("delete") + try: + gdb.execute("catch syscall pipe2 read") + except gdb.error as exc: + exc_str =3D str(exc) + if "not supported on this architecture" in exc_str: + print("SKIP: {}".format(exc_str)) + return + for _ in range(2): + gdb.execute("continue") + check_state("pipe2") + for _ in range(2): + gdb.execute("continue") + check_state("read") + + # Check that deletion works. + gdb.execute("delete") + gdb.Breakpoint("end_of_main") + gdb.execute("continue") + check_state("end") + + # Check that catch-all works (libc should at least call exit). + gdb.execute("delete") + gdb.execute("catch syscall") + gdb.execute("continue") + gdb.execute("delete") + gdb.execute("continue") + + exitcode =3D int(gdb.parse_and_eval("$_exitcode")) + report(exitcode =3D=3D 0, "{} =3D=3D 0".format(exitcode)) + + +main(run_test) --=20 2.43.0