> Not just ia64, powerpc 64 as well. You are assuming that all pointers > are the same format when that is not guaranteed by the C standard. On > most architectures they are the same, you can convert a function > pointer to a void pointer and back again but it is not defined > behaviour. > > On IA64 and PPC64 the function pointer does not reference the function > itself, instead it points to a function descriptor. The function > descriptor contains a pointer to the function code plus additional data > such as a pointer to the global data to be used when the function is > called. This is mandated by the architecture software ABI. Also true for HPPA targets. jeff
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