Re: Get the name of the method that called a method
Re: Get the name of the method that called a method
- Subject: Re: Get the name of the method that called a method
- From: Ed Wynne <email@hidden>
- Date: Tue, 21 Apr 2009 11:34:25 -0400
On Apr 21, 2009, at 11:27 AM, Alastair Houghton wrote:
On 21 Apr 2009, at 15:59, Michael Ash wrote:
On Tue, Apr 21, 2009 at 2:09 AM, Alex Kac <email@hidden> wrote:
I am trying to log some specific error conditions in a fairly
dynamic
environment (of course Obj-C's forté), and would like to log some
sort of
backtrace of method calls that reached a specific method.
What is the best way to get that info? This is using Objective-C
2.0 on the
iPhone.
Type man backtrace for a handy function for this. I'm not sure if
it's
available on the iPhone, but I would expect so, and it's worth a
shot.
If it isn't available, there's always __builtin_return_address(),
though you do need to be aware that it's only suitable for debugging
purposes.
As are all the other methods discussed here. Backtraces can not be
reliably generated from optimized code, no matter how you generate
them. By that same token, expecting a symbol to be available and valid
for the return address is pretty dubious outside of fully symbol'd
debug builds.
-Ed
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