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From: "pedro at palves dot net" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/30541] Add target valgrind
Date: Thu, 15 Jun 2023 17:04:26 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D30541

--- Comment #8 from Pedro Alves <pedro at palves dot net> ---
> user-defined commands don't have a $@ or $* like shells as far as I know

Yeah.  There's $argc, and then $arg0..$argN, though.  So you can loop over =
the
arguments and build the valgrind command that way.  You'd probably use Pyth=
on
to actually concatenate the strings.

> I guess this would be easier in Python but I'm a bit useless at scripting.

I guess you'd start with something like this:

$ cat target-valgrind.py
import gdb

class TargetValgrind(gdb.Command):
    def __init__(self):
        super(TargetValgrind, self).__init__("target valgrind",
gdb.COMMAND_USER)

    def invoke(self, arg, from_tty):
        gdb.execute("target extended-remote | vgdb --multi " + "
".join(arg.split()))

TargetValgrind()

Source that in gdb, and then enter "(gdb) target valgrind foo bar"

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