Re: [PATCH v2] libbpf: Fix determine_ptr_size() guessing

[Yonghong Song]

On 5/23/22 3:29 AM, Douglas RAILLARD wrote:
> From: Douglas Raillard <douglas.raillard@xxxxxxx>
>
> One strategy employed by libbpf to guess the pointer size is by finding
> the size of "unsigned long" type. This is achieved by looking for a type
> of with the expected name and checking its size.
>
> Unfortunately, the C syntax is friendlier to humans than to computers
> as there is some variety in how such a type can be named. Specifically,
> gcc and clang do not use the same name in debug info.
>
> Lookup all the names for such a type so that libbpf can hope to find the
> information it wants.
>
> Signed-off-by: Douglas Raillard <douglas.raillard@xxxxxxx>

Acked-by: Yonghong Song <yhs@xxxxxx>