Re: gloss patch for argc/argv retrieval

[Thomas Fitzsimmons <fitzsim@redhat.com>]

On Fri, 2002-01-25 at 11:37, Frank Ch. Eigler wrote:
> Hi -
> 
> On Fri, Jan 25, 2002 at 02:21:46PM +1100, Ben Elliston wrote:
> > It is currently possible for a SID configuration to set the gloss
> > "command-line" attribute for process emulation.  However I noted that
> > the gloss component doesn't do much with it -- except store it.
> > 
> > The following patch adds a number of new syscalls to enable software
> > running on target CPUs to request the argc and argv variables passed
> > in from the outside world.  [...]
> > [...]
> 
> I suspect a single system call, like ARM ANGEL's "get entire command
> line as a string" would be sufficient.  Are you planning to add
> support for this system call to some libgloss ports also?
> 

If you are, you should look at the i386 gloss port, which has support
for a __get_program_arguments syscall, number 184. The implementation is
in devo/libstub/generic-stub.c in the __get_program_args function.

Tom

-- 
Thomas Fitzsimmons
Red Hat Canada Limited        e-mail: fitzsim@redhat.com
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