WalkStackMain64 currently skips the top 3 frames of a stack because it assumes that it is walking the stack of the thread that called NS_StackWalk. However, since bug 713278, NS_StackWalk can walk the stack of any arbitrary thread, in which case it should not skip over any frames.
Created attachment 587032 [details] [diff] [review]
Comment on attachment 587032 [details] [diff] [review]
>+ int skip = (data->walkCallingThread ? 3 : 0 ) + data->skipFrames;
No space before the ")".