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

Matt Helsley
2020-04-24T22:22:19Z

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@google.com>

Feel free to add

Reviewed-by: Matt Helsley <mhelsley@vmware.com>

> ---
> 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(-)

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