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Re: [PATCH] Set correct source location for deallocator calls
On 09/04/2012 06:17 PM, Bryce McKinlay wrote:
> On Tue, Sep 4, 2012 at 6:12 PM, Andrew Haley <aph@redhat.com> wrote:
>
>>> He's also planning to use it for libgo, and other gcc runtime libs
>>> have indicated interest. It doesn't have to work on all platforms, and
>>> I can't see how it would be any less portable than addr2line!
>>
>> I certainly can. Maybe once it's shaken-down so it's at least as
>> robust as what we have now it'll be OK. I suspect it hasn't had much
>> testing with, for example, unwinding through signal handlers.
>
> libgcj wouldn't actually use it for unwinding, we already have all
> that. We'd just use it to read DWARF debug info and give us the source
> code line numbers.
OK, as long as that's all it does. I think I was perhaps a bit
misled by its description of "a stack backtrace library". It
certainly looks like a nicer approach than addr2line, but is
going to be much less well-ported. I guess we'll see how it goes.
Andrew.