2024-05-14 14:12 UTC+0100 ~ Mykyta Yatsenko mykyta.yatsenko5@xxxxxxxxx > From: Mykyta Yatsenko <yatsenko@xxxxxxxx> > > Sort bpftool c dump output; aiming to simplify vmlinux.h diffing and > forcing more natural type definitions ordering. > > Definitions are sorted first by their BTF kind ranks, then by their base > type name and by their own name. > > Type ranks > > Assign ranks to btf kinds (defined in function btf_type_rank) to set > next order: > 1. Anonymous enums/enums64 > 2. Named enums/enums64 > 3. Trivial types typedefs (ints, then floats) > 4. Structs/Unions > 5. Function prototypes > 6. Forward declarations > > Type rank is set to maximum for unnamed reference types, structs and > unions to avoid emitting those types early. They will be emitted as > part of the type chain starting with named type. > > Lexicographical ordering > > Each type is assigned a sort_name and own_name. > sort_name is the resolved name of the final base type for reference > types (typedef, pointer, array etc). Sorting by sort_name allows to > group typedefs of the same base type. sort_name for non-reference type > is the same as own_name. own_name is a direct name of particular type, > is used as final sorting step. > > Signed-off-by: Mykyta Yatsenko <yatsenko@xxxxxxxx> Please keep the tags from previous versions when the changes are trivial: Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx> Tested-by: Andrii Nakryiko <andrii@xxxxxxxxxx> Reviewed-by: Quentin Monnet <qmo@xxxxxxxxxx> Thanks a lot!
