Thanks Ben,
your answer tipped me off to an easy solution.
I'm just wrapping relevant sections in
#pragma warn_a5_access on
no-global code here
#pragma warn_a5_access reset
which (if I understand correctly) should warn me whenever there is a
problem.
I was surprised to find that
Char timeString[timeStringLength]="";
was being treated as a global...
thanks again,
Rob
On Thu, 25 Oct 2007 01:13:19 +0100, Ben Combee <[EMAIL PROTECTED]>
wrote:
>
> On 10/24/07, Rob <[EMAIL PROTECTED]> wrote:
>> In a previous thread, Ben described things that you can't access when
>> your
>> app is running as a sublaunch without globals
>>
>> "You cannot access any variables that aren't located on the stack. This
>> includes global variables, static variables, and some kinds of constant
>> data."
>>
>> My question is - 'what kinds of constant data?'
>>
>> I know I can't use normal globals
>> I know I can't use static variables
>>
>> but what about initialisers
>>
>> RectangleType bottomRect={0,145,160,15};
>> or
>> Char string[]={"initialise with string"};
>> or
>> StrCopy(stringP,"some text to copy");
>>
>> what is the underlying rule here - how do I know what Codewarrior will
>> put
>> on the stack vs what it won't ???
>
> Actually, the question is "what will CodeWarrior put in PC-relative
> storage (code segment) and what will CW put in global storage (data
> segment that gets copied to the heap at app startup).
>
> Anonymous constant data that doesn't contain pointers will probably be
> PC-allocated. The key is to use the "Disassemble" command and look at
> the function. If you see code that uses A5, you've got global access.
> If you're code uses PC, then you're OK.
>
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