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Mon, 16 Dec 2024 12:34:19 +0000 (GMT) From: Ilya Leoshkevich To: Warner Losh , Riku Voipio , Laurent Vivier , Paolo Bonzini , Richard Henderson Cc: Kyle Evans , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH v3 7/8] docs/user: Document the %d placeholder and suspend=n QEMU_GDB features Date: Mon, 16 Dec 2024 13:33:25 +0100 Message-ID: <20241216123412.77450-8-iii@linux.ibm.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241216123412.77450-1-iii@linux.ibm.com> References: <20241216123412.77450-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: s-TEx0y_1CwLL-aQsxzOaIxw86bsED4h X-Proofpoint-ORIG-GUID: s-TEx0y_1CwLL-aQsxzOaIxw86bsED4h X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 mlxlogscore=999 adultscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 bulkscore=0 suspectscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412160105 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -37 X-Spam_score: -3.8 X-Spam_bar: --- X-Spam_report: (-3.8 / 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=-1.13, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Ilya Leoshkevich Reviewed-by: Alex Bennée --- docs/user/main.rst | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/docs/user/main.rst b/docs/user/main.rst index 7a126ee8093..8dcb1d90a8b 100644 --- a/docs/user/main.rst +++ b/docs/user/main.rst @@ -50,7 +50,7 @@ Command line options :: - qemu-i386 [-h] [-d] [-L path] [-s size] [-cpu model] [-g port] [-B offset] [-R size] program [arguments...] + qemu-i386 [-h] [-d] [-L path] [-s size] [-cpu model] [-g endpoint] [-B offset] [-R size] program [arguments...] ``-h`` Print the help @@ -87,8 +87,18 @@ Debug options: Activate logging of the specified items (use '-d help' for a list of log items) -``-g port`` - Wait gdb connection to port +``-g endpoint`` + Wait gdb connection to a port (e.g., ``1234``) or a unix socket (e.g., + ``/tmp/qemu.sock``). + + If a unix socket path contains single ``%d`` placeholder (e.g., + ``/tmp/qemu-%d.sock``), it is replaced by the emulator PID, which is useful + when passing this option via the ``QEMU_GDB`` environment variable to a + multi-process application. + + If the endpoint address is followed by ``,suspend=n`` (e.g., + ``1234,suspend=n``), then the emulated program starts without waiting for a + connection, which can be established at any later point in time. ``-one-insn-per-tb`` Run the emulation with one guest instruction per translation block.