On Fri, 30 Jan 2015, asomers@xxxxxxxxx wrote:
> Does the ifunc attribute work in C++, and if so can somebody please
> show me a working example? I found several examples that work in C,
> but none in C++. For example, the below file works fine in C:
Yes, it works in C++; the issue you're hitting is that due to C++ name
mangling, the assembler name of the resolver function (foo_ifunc) is changed,
and no longer matches what you wrote in the attribute. Perhaps the easiest
fix for that is to put the resolver inside an 'extern "C" { ... }' block.
HTH.
Alexander
