[lldb-dev] Debugging x86 binaries on x86_64?

[Vince Harron]

It looks like debugging 32 bit processes hasn't been implemented yet.
You'll find many things missing in the current Linux support.  It's being
worked on but it will be a while.  Let me know if you're looking to help
out!  :)
On Nov 19, 2014 7:16 AM, "Arne Schmitz" <arne.schmitz at aixigo.de> wrote:

> Hi everyone,
>
> I just built lldb 3.5.0 from source on a x86_64 Debian Stable machine
> (because there are no packages for Debian Stable). When I try to debug a
> 32bit (x86) application with the resulting binary, I get the following
> error:
>
> $ lldb -p $(pgrep foo)
> lldb: llvm-3.5.0.src/tools/lldb/source/Plugins/Process/
> Utility/RegisterContextLinux_x86_64.cpp:137: uint32_t
> GetRegisterInfoCount(const lldb_private::ArchSpec&): Assertion
> `!GetPrivateRegisterInfoVector ().empty () && "i386 register info not yet
> filled."' failed.
> Aborted
>
> Debugging x86_64 works just fine. Why is that? Is this a known bug? How
> can I fix this?
>
> Best regards,
>
> Arne
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>
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