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The directory containing this files contains ARM's example
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implementation of the EHABI which is part of 'The Base Standard ABI
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for the ARM architecture'. All parts of this specification including
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the code contained here can be obtained via the link
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[http://www.armdevzone.com/EABI/HomePage.html]. Symbian's
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implementation of exception handling is derived from this code. This
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file will document the amendments made to each file to integrate the
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code with SymbianOS.
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Implementation Notes.
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* The Symbian implementation does not support nested exceptions. This
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is not required by C++ and there is no extant requirement to support
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language which does require nested exceptions. However this means
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that the Symbian implementation is not fully BSABI compliant.
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EH v1.0 changes
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UNWINDER.C
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/*
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* RCS $Revision: 1.16 $
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* Checkin $Date: 2003/10/23 13:57:39 $
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* Revising $Author: agrant $
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*/
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* Remove the source region unwinder_c and replace unwind_activity_c with _DEBUG.
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* Replace inclusion of stddef.h with e32def.h
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* Add typedef for size_t (as a consequence of replacement of stddef.h).
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* Add declaration for abort().
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* Add declaration for bsearch().
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* Replace use and declaration of printf() with DebugPrintf().
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* Conditionalize nested exception handling with SUPPORT_NEST_EXCEPTIONS and abort if found.
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* Remove __ARM_ETInfo from __UnwindRaiseException.
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