Re: Shark + CrashReporter: Missing 95% of symbols
Re: Shark + CrashReporter: Missing 95% of symbols
- Subject: Re: Shark + CrashReporter: Missing 95% of symbols
- From: Rick Altherr <email@hidden>
- Date: Fri, 19 Sep 2008 08:31:06 -0700
On Sep 19, 2008, at 6:15 AM, Brian Barnes wrote:
Back when I had a PPC mac, all this worked fine. Same compiler
settings on an Intel mac and:
1. In shark, I only get the last symbols, all other symbols down the
stack are either "unreachable" or "unknown", for example:
actual_function_name
...unknown
......unreachable
Every once and a while, even the top symbols are missing (same
compiled code!)
2. In crash reporter, even the thread it crashed in is listed as
"unknown", and there's never a stack trace that makes any sense or
includes any of my symbols.
I've tried a number of settings, and I'm obviously getting some
symbols, but it seems what I'm missing is something in the stack.
There's no stripping, I've tried default, full, etc for debug
symbols. This one is driving me crazy -- it's very hard to fix bugs
for my users and shark is next to useless for me (and it was very
useful earlier.)
(XCode 3.1, x86, 10.5.5, but it has been broken for me long before
that system update)
[>] Brian
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This sounds like you are building with -fomit-frame-pointer. It only
applies to Intel and makes it near impossible to backtrace through the
stack.
--
Rick Altherr
Architecture and Performance Group
email@hidden
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