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Re: [Qemu-devel] [PATCH] .gdbinit: load QEMU sub-commands when gdb start
From: |
Alex Bennée |
Subject: |
Re: [Qemu-devel] [PATCH] .gdbinit: load QEMU sub-commands when gdb starts |
Date: |
Mon, 15 May 2017 15:17:28 +0100 |
User-agent: |
mu4e 0.9.19; emacs 25.2.50.1 |
Stefan Hajnoczi <address@hidden> writes:
> The scripts/qemu-gdb.py file is not easily discoverable. Add a .gdbinit
> file so GDB either loads qemu-gdb.py automatically or prints a message
> informing the user how to enable them (some systems disable ./.gdbinit
> loading for security reasons).
>
> Suggested-by: Eric Blake <address@hidden>
> Signed-off-by: Stefan Hajnoczi <address@hidden>
> ---
> .gdbinit | 8 ++++++++
> 1 file changed, 8 insertions(+)
> create mode 100644 .gdbinit
>
> diff --git a/.gdbinit b/.gdbinit
> new file mode 100644
> index 0000000..9d322fc
> --- /dev/null
> +++ b/.gdbinit
> @@ -0,0 +1,8 @@
> +# GDB may have ./.gdbinit loading disabled by default. In that case you can
> +# follow the instructions it prints. They boil down to adding the following
> to
> +# your home directory's ~/.gdbinit file:
> +#
> +# add-auto-load-safe-path /path/to/qemu/.gdbinit
> +
> +# Load QEMU-specific sub-commands and settings
> +source scripts/qemu-gdb.py
While this works well enough you might as well just comment the helper
script itself. Would this script take precedence over a users
~/.gdbinit? How would it work for out-of-tree builds?
GDB does have a mechanism for autoloading extensions by way of adding
ELF sections:
https://sourceware.org/gdb/current/onlinedocs/gdb/dotdebug_005fgdb_005fscripts-section.html#dotdebug_005fgdb_005fscripts-section
--
Alex Bennée