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jacko
Joined: 20 Dec 2010
Posts: 19
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 Posted: Mon Feb 14, 2011 4:03 pm Post subject: Memory corruption / strange behavior |
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Hello,
I am having big issues developing with a TL2.
I have many bugs, which might be related to a heap corruption or something like that.
The documentation lacks details about what a STK thread is. What does stk_thread() do exactly? If I allocate memory with malloc() within a stk_thread, is it available to the other stk_threads ? (for instance if I have a global pointer)
How much stack is available? How much heap?
Is there a way to known the remaining memory in the heap at any time?
It's very hard for me to develop with TSIM because when there's a bug I don't know if it's in my code, or if it's in the way I use the OS functions.
Thanks |
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pz
Joined: 12 Mar 2004
Posts: 1161
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| Posted: Mon Feb 14, 2011 4:30 pm Post subject: Re: Memory corruption / strange behavior |
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| jacko wrote: | Hello,
I am having big issues developing with a TL2.
I have many bugs, which might be related to a heap corruption or something like that.
The documentation lacks details about what a STK thread is. What does stk_thread() do exactly? If I allocate memory with malloc() within a stk_thread, is it available to the other stk_threads ? (for instance if I have a global pointer)
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Yes, it's available to other threads. It's not thread like e.g. posix thread - potentially parallel process with separated memory. It's a loop that handles STK commands that is started from main gsm loop (that handles all apdus).
There is just one heap for all apps, there is no MMU.
| Quote: |
How much stack is available? How much heap?
Is there a way to known the remaining memory in the heap at any time?
It's very hard for me to develop with TSIM because when there's a bug I don't know if it's in my code, or if it's in the way I use the OS functions.
Thanks |
You can try to use db_malloc() and company, see debug.h |
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