Re: [PATCH v2] recordmcount: support >64k sections

[Matt Helsley]

On Fri, Apr 24, 2020 at 12:30:46PM -0700, Sami Tolvanen wrote:
> When compiling a kernel with Clang and LTO, we need to run
> recordmcount on vmlinux.o with a large number of sections, which
> currently fails as the program doesn't understand extended
> section indexes. This change adds support for processing binaries
> with >64k sections.
> 
> Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx>

Feel free to add

Reviewed-by: Matt Helsley <mhelsley@xxxxxxxxxx>

> ---
> Changes in v2:
>  - Switched to unsigned int for (old|new)_shnum in append_func.
>  - Added set_shnum and find_symtab helper functions and moved
>    the new logic there.
> 
> ---
>  scripts/recordmcount.h | 98 +++++++++++++++++++++++++++++++++++++++---
>  1 file changed, 92 insertions(+), 6 deletions(-)

<snip>