[lldb-dev] LLDB linux questions

arvid.picciani at nokia.com arvid.picciani at nokia.com
Tue Sep 28 02:29:25 PDT 2010

> You want to use the libunwind that is built into linux unless it can unwind when there is no EH frame info.
> The remote unwind that we implemented that is used by LLDB will handle cases where there is no EH frame 
> and it will disassemble the function and it will handle non-callsite locations. The EH frame info built into binaries 
> is sparsely populated with info that is only valid at call sites which means you can't use it to unwind the first frame, 
> nor any frame after a complete register state backup (sigtramp).

I see, that makes things more difficult.

> We are about to replace the libunwind stack backtracing soon with a new stack crawling engine that doesn't use 
> libunwind, so this issue will go away soon (this week hopefully).

Nice! I will wait for said change then.
In the meantime, i have started to push my patches to a git clone here http://gitorious.org/lldb/lldb-linux.
Please feel free to pull from there, whatever you find useful. 

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