On 13 December 2013 12:04, Philip Herron wrote: > > I know you can do SET_DECL_ASSEMBLER_NAME on an fndecl. But not sure > how the mangling is done for C++ is there a convention to the c++ > standard or is it compiler specific i imagine it must be some > standard. GCC follows the C++ ABI for Itanium, as specified at http://www.codesourcery.com/cxx-abi/ > And where is it implemented in Rust you can do: > > #[link_args = "-lreadline"] > extern { > fn readline (p: *std::libc::c_char) -> * std::libc::c_char; > } > > I would like to be able to do something like: > > extern "c++" { > } > > So then any rust program can call into c++ wrappers maybe? Maybe > leaving out templates and classes. Maybe i can do something like > SET_DECL_ASSEMBLER_NAME (cpp_mangle ("test")) What do you expect "test" to mean? To mangle a function name you have to say the function signature, not just the name, that's the point of mangling. "_Z4testi" is a function with one parameter of type int. "test" is just a variable called "test" not a function.
