From: Ilya Leoshkevich Date: Fri, 7 Feb 2025 15:31:11 +0000 (+0000) Subject: docs/user: Document the %d placeholder and suspend=n QEMU_GDB features X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=628d64222e6bef249d23ce3147cbfb47259f2ede;p=qemu.git docs/user: Document the %d placeholder and suspend=n QEMU_GDB features Reviewed-by: Alex Bennée Signed-off-by: Ilya Leoshkevich Message-Id: <20250117001542.8290-8-iii@linux.ibm.com> Signed-off-by: Alex Bennée Message-Id: <20250207153112.3939799-17-alex.bennee@linaro.org> --- 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 :: - 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 @@ -91,8 +91,18 @@ 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.