/* into @trace (if not NULL), and modifies the @lmf */
/* if necessary. @native_offset returns the IP off- */
/* set from the start of the function or -1 if that */
/* into @trace (if not NULL), and modifies the @lmf */
/* if necessary. @native_offset returns the IP off- */
/* set from the start of the function or -1 if that */