From: Joshua ben Jore <twists@...>
Date: 2009-10-19T12:26:26+09:00
Subject: [ruby-core:26159] Re: RTypedData type unavailable to gdb?

On Sun, Oct 18, 2009 at 7:35 PM, Nobuyoshi Nakada <nobu@ruby-lang.org> wrote:
> Hi,
>
> At Mon, 19 Oct 2009 08:41:05 +0900,
> Joshua ben Jore wrote in [ruby-core:26155]:
>> � (gdb) p (RTypedData)0
>> � No symbol "RTypedData" in current context.
>
> RTypedData is not typedefed nor a pointer.
>
> p (struct RTypedData *)0
>
>> My current script creates a top level function rb_ps which walks down
>> from ruby_current_vm down through the living_threads hash and attempts
>> to get the rb_thread_t pointers from the RTypedData objects. No such
>> luck. Can someone lend some advice to how to proceed here? My OS X
>> manual says `nm -a' shows all the symbols but I don't see anything
>> that looks like any data type names in there.
>
> Thank you, it seems useful, and I committed fixed version.
.
It wasn't done. I'd only gotten as far as possibly fetching the
rb_thread_t struct but there's more to just unpack the callstack, then
more later to get the parameters.

Josh