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plugins: allow plugin arguments to be passed directly

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Passing arguments to plugins had to be done through "arg=<argname>".
This is redundant and introduces confusion especially when the argument
has a name and value (e.g. `-plugin plugin_name,arg="argname=argvalue"`).

This allows passing plugin arguments directly e.g:

    `-plugin plugin_name,argname=argvalue`

For now, passing arguments through "arg=" is still supports but outputs
a deprecation warning.

Also, this commit makes boolean arguments passed to plugins in the
`argname=on|off` form instead of the deprecated short-boolean form.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-2-ma.mandourr@gmail.com>
This commit is contained in:
Mahmoud Mandour 2021-07-30 15:58:05 +02:00 • committed by Alex Bennée
parent 5397acb8a6
commit 3a445acb49
3 changed files with 25 additions and 10 deletions
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2
linux-user/main.c
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@ -463,7 +463,7 @@ static const struct qemu_argument arg_table[] = {
"", "[[enable=]<pattern>][,events=<file>][,file=<file>]"},
#ifdef CONFIG_PLUGIN
{"plugin", "QEMU_PLUGIN", true, handle_arg_plugin,
"", "[file=]<file>[,arg=<string>]"},
"", "[file=]<file>[,<argname>=<argvalue>]"},
#endif
{"version", "QEMU_VERSION", false, handle_arg_version,
"", "display version information and exit"},