MoreBacktrace for intel ...
MoreBacktrace for intel ...
- Subject: MoreBacktrace for intel ...
- From: Brendan Creane <email@hidden>
- Date: Sat, 13 May 2006 11:49:41 -0700 (PDT)
I've been studying the marvelous backtrace code in
"MoreIsBetter" from the inestimable Quinn with the
intention of dumping all the running pthread stacks in
a darwin executable. Has anyone come across a version
of MoreBacktrace.[ch] that supports 64-bit PPC, or
more interestingly 32/64bit Intel processors?
thanks, Brendan
An aside: [One of the trickier pieces of the puzzle is
finding the stack frame while processing a signal
(action). There are heuristically derived constants
indicating how far back from the _sigtramp routine's
frame to jump -- constants that change according to
which release of darwin you're running. Linux avoids
the whole problem by (somehow) not munging up the
stack when processing a signal.]
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