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From: =?UTF-8?q?Alex=20Benn=C3=A9e?= <alex.bennee@linaro.org>
To: qemu-devel@nongnu.org
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Nicholas Piggin <npiggin@gmail.com>, Alexandre Iooss <erdnaxe@crans.org>,
Ilya Leoshkevich <iii@linux.ibm.com>
Subject: [PATCH 16/18] docs/user: Document the %d placeholder and suspend=n
QEMU_GDB features
Date: Mon, 3 Feb 2025 14:40:46 +0000
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---
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 80a77f0a0c..9a1c60448c 100644
--- a/docs/user/main.rst
+++ b/docs/user/main.rst
@@ -54,7 +54,7 @@ Command line options
=20
::
=20
- qemu-i386 [-h] [-d] [-L path] [-s size] [-cpu model] [-g port] [-B offs=
et] [-R size] program [arguments...]
+ qemu-i386 [-h] [-d] [-L path] [-s size] [-cpu model] [-g endpoint] [-B =
offset] [-R size] program [arguments...]
=20
``-h``
Print the help
@@ -91,8 +91,18 @@ Debug options:
Activate logging of the specified items (use '-d help' for a list of
log items)
=20
-``-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 us=
eful
+ when passing this option via the ``QEMU_GDB`` environment variable to a
+ multi-process application.
+
+ If the endpoint address is followed by ``,suspend=3Dn`` (e.g.,
+ ``1234,suspend=3Dn``), then the emulated program starts without waiting=
for a
+ connection, which can be established at any later point in time.
=20
``-one-insn-per-tb``
Run the emulation with one guest instruction per translation block.
--=20
2.39.5