[RFC PATCH u-boot 04/12] efi_loader: fix warning when linking with LTO

[Bin Meng]

On Wed, Mar 3, 2021 at 12:13 PM Marek Behún <marek.behun at nic.cz> wrote:
>
> When linking with LTO, the compiler complains about type mismatch of
> variables `__efi_runtime_start`, `__efi_runtime_stop`,
> `__efi_runtime_rel_start` and `__efi_runtime_rel_stop`:
>
>  include/efi_loader.h:218:21: warning: type of ‘__efi_runtime_start’
>                                        does not match original
>                                        declaration [-Wlto-type-mismatch]
>    218 | extern unsigned int __efi_runtime_start, __efi_runtime_stop;
>         |                     ^
>   arch/sandbox/lib/sections.c:7:6: note: ‘__efi_runtime_start’ was
>                                          previously declared here
>       7 | char __efi_runtime_start[0] __attribute__((section(".__efi_runtime_start")));
>         |      ^
>
> Change the type to char[] in include/efi_loader.h.
>
> Signed-off-by: Marek Behún <marek.behun at nic.cz>
> ---
>  include/efi_loader.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>