Re: Xcode...
Re: Xcode...
- Subject: Re: Xcode...
- From: Chris Ridd <email@hidden>
- Date: Tue, 24 Jun 2003 13:27:45 +0100
On 24/6/03 1:11 pm, Jeff Harrell <email@hidden> wrote:
>
On Tuesday, June 24, 2003, at 06:57 AM, M. Uli Kusterer wrote:
>
> Since I can already change source code while in the debugger of PB
>
> right now, I'm a little puzzled... will the app automagically pick up
>
> the change and recompile while debugging? Or what is the advantage
>
> over the behaviour we already have.
>
>
It works like this. Let's say your program has ten object files, two of
>
which contain the code necessary to call main(). Xcode will only link
>
those two objects, and will dynamically link the other objects at run
>
time. You can make code changes to the other modules and have the
>
dynamic loader actually change the behavior of your application while
>
it's still running, without recompiling or relinking. (You have to
>
compile the one module, obviously.)
Dyld has always been unable (AFAICR, unless this was an NSBundle limitation)
to unload loaded objects, so how are they able to replace a linked-in
object? Are there any limitations in this replacement, like not being able
to replace something with globals or something?
Cheers,
Chris
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| | >Re: Xcode... (From: Jeff Harrell <email@hidden>) |