Re: The cost of stack traces

[Casey Marshall <csm at gnu dot org>]

On May 11, 2006, at 8:37 AM, David Daney wrote:

> Andrew Haley wrote:
> > So why do you care about line numbers?
>
> As defined in this e-mail thread, I now realize that do don't care  
> about 'line-numbers'.  Thanks for helping me arrive at this  
> conclusion.
>
> What would you think about a patch that optionally fills in the  
> fileName  property of StackTraceElement with a string  
> representation of the IP and information obtained from dladdr  
> related to that address?
>
> That would make for easy and accurate off-line analysis of stack  
> traces with very little runtime overhead.

One neat way to solve this may be to write an internal debug_line  
decoder for libgcj, AND to have that be the basis for an analysis  
tool. This could probably be written to be runnable on a different  
host type than the target, because the code I wrote just reads ELF  
libraries directly.

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