On 2013-08-30, at 4:58 AM, Julian Seward wrote:

> I am very tempted to create a new custom unwind library designed
> specifically to support SPS.  It needs to be fast, lower-footprint,
> and multithreaded.  Unlike Breakpad, it will -- at least initially --
> avoid supporting all Tier 1 targets, and concentrate on the most
> critical cases: ARM/FirefoxOS, ARM/Android (via EXIDX) and (as a side
> effect) {x86,x86_64}/Linux (via CFI).

Have you looked at libbacktrace? 
(https://github.com/mirrors/gcc/tree/master/libbacktrace)

Is it a more useful starting point?

-Jeff

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