https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105063
--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> --- > > But it will remain to be something like: > > .string "/home/user/t.gcda Well, -fprofile-prefix-map is about the mapping of the source file. So what exactly is your problem? Are the long filenames for .gcda files? What path length limitation does have an embedded target?