David Daney wrote on 12 August 2008 18:58: >> Yes. The OP's question is "How do I generate .eh_frame data at runtime >> for an arbitrary function that has no throws and no catches but may call >> functions that throw". >> > > Which is why I recommended passing -funwind-tables, which does exactly > that. Passing it *to what*? There is no compiler involved: from the OP: > I want to magic up a function by writing (intel x86) instructions > into memory that does the same as if I'd done You appear to keep missing the "JIT" aspect of this question. JIT is not usually done by writing a C file and invoking the compiler using system() TTBOMK. cheers, DaveK -- Can't think of a witty .sigline today....