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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1764337197; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=KsFo8xY/CGs753K1Z9F3q7jVAI7IiQENnOKq3Bc00Vc=; b=fFqakZ6qvIkcGa4PZYnnOG5IpRgsD3OP82n8G8Ke5xStGJJSWmCq/bwGjC01Ikb0e28zM8 TlA0yOUrRr2HRycmxOv/NDoBab/IXAhZ3SVMZIuTAk0BVeY2VL4EjtRj5ABi7OPI8U90je ehjolsMBwYvXR5sUtbL/Td0OGnLBFNo= X-MC-Unique: FJO9CRryOwiwM_HRMmsqgg-1 X-Mimecast-MFC-AGG-ID: FJO9CRryOwiwM_HRMmsqgg_1764337193 From: Thomas Huth To: qemu-devel@nongnu.org, Ilya Leoshkevich Cc: qemu-s390x@nongnu.org Subject: [RFC PATCH] tests/functional/s390x: Add reverse debugging test for s390x Date: Fri, 28 Nov 2025 14:39:49 +0100 Message-ID: <20251128133949.181828-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" From: Thomas Huth We just have to make sure that we can set the endianness to big endian, then we can also run this test on s390x. Signed-off-by: Thomas Huth Reviewed-by: Ilya Leoshkevich --- Marked as RFC since it depends on the fix for this bug (so it cannot be merged yet): https://lore.kernel.org/qemu-devel/a0accce9-6042-4a7b-a7c7-218212818891@re= dhat.com/ tests/functional/reverse_debugging.py | 4 +++- tests/functional/s390x/meson.build | 1 + tests/functional/s390x/test_reverse_debug.py | 21 ++++++++++++++++++++ 3 files changed, 25 insertions(+), 1 deletion(-) create mode 100755 tests/functional/s390x/test_reverse_debug.py diff --git a/tests/functional/reverse_debugging.py b/tests/functional/rever= se_debugging.py index 86fca8d81f1..8b9507674a0 100644 --- a/tests/functional/reverse_debugging.py +++ b/tests/functional/reverse_debugging.py @@ -64,7 +64,7 @@ def vm_get_icount(vm): =20 @skipIfMissingImports("pygdbmi") # Required by GDB class @skipIfMissingEnv("QEMU_TEST_GDB") - def reverse_debugging(self, gdb_arch, shift=3D7, args=3DNone): + def reverse_debugging(self, gdb_arch, shift=3D7, args=3DNone, big_endi= an=3DFalse): from qemu_test import GDB =20 # create qcow2 for snapshots @@ -99,6 +99,8 @@ def reverse_debugging(self, gdb_arch, shift=3D7, args=3DN= one): gdb_cmd =3D os.getenv('QEMU_TEST_GDB') gdb =3D GDB(gdb_cmd) try: + if big_endian: + gdb.cli("set endian big") self.reverse_debugging_run(gdb, vm, port, gdb_arch, last_i= count) finally: self.log.info('exiting gdb and qemu') diff --git a/tests/functional/s390x/meson.build b/tests/functional/s390x/me= son.build index 70cd36e2913..0f03e1c9db8 100644 --- a/tests/functional/s390x/meson.build +++ b/tests/functional/s390x/meson.build @@ -6,6 +6,7 @@ test_s390x_timeouts =3D { =20 tests_s390x_system_quick =3D [ 'vmstate', + 'reverse_debug', ] =20 tests_s390x_system_thorough =3D [ diff --git a/tests/functional/s390x/test_reverse_debug.py b/tests/functiona= l/s390x/test_reverse_debug.py new file mode 100755 index 00000000000..0767dc91678 --- /dev/null +++ b/tests/functional/s390x/test_reverse_debug.py @@ -0,0 +1,21 @@ +#!/usr/bin/env python3 +# +# SPDX-License-Identifier: GPL-2.0-or-later +# +''' +Reverse debugging test for s390x +''' + +from reverse_debugging import ReverseDebugging + + +class ReverseDebuggingS390x(ReverseDebugging): + + def test_revdbg(self): + self.set_machine('s390-ccw-virtio') + self.reverse_debugging(gdb_arch=3D's390:64-bit', shift=3D6, + big_endian=3DTrue, args=3D('-no-shutdown',)) + + +if __name__ =3D=3D '__main__': + ReverseDebugging.main() --=20 2.51.1