OK, found it. It's actually very simple: those routines are not generated by the compiler at all, but instead are provided directly as assembler files. This assembler code is missing proper annotations to generate DWARF CFI ...
OK, found it. It's actually very simple: those routines are not generated by the compiler at all, but instead are provided directly as assembler files. This assembler code is missing proper annotations to generate DWARF CFI ...