JS_FS
info const jsjitinfo * pointer to the jit info.
...js_fninfo allows the simple adding of jsjitinfos.

JSFunctionSpec
syntax struct jsfunctionspec { const char *name; jsnativewrapper call; uint16_t nargs; uint16_t flags; const char *selfhostedname; }; typedef struct jsnativewrapper { jsnative op; const jsjitinfo *info; } jsnativewrapper; name type description name const char * the function's name.