Re: No PTRACE_READDATA for archs other than SPARC?

[Pradeep Padala]

> Only Sparc implements this, that is correct.
> 
> If other platforms added PTRACE_READDATA support, they would
> also need to add some way to do a feature test for it's presence
> so that GDB and other debugging code could actually make use
> of it portably.

You mean, it's an undocumented feature for sparc?

If I want to add it to i386, what do I need to add so that
gdb/debuggers know that the feature exists.

> The return values are set directly in the user's pt_regs.

I get it. Thanx for the info

--pradeep