[PATCH v2 04/28] arm: EFI linker script text section alignment

[Ilias Apalodimas]

Hi Raymond,

On Tue, 7 May 2024 at 20:53, Raymond Mao <raymond.mao at linaro.org> wrote:
>
> Add text section alignment to fix sbsign signing warning
> 'gaps in the section table may result in different checksums'
> which causes a failure of efi_image_verify_diges()
>
> Signed-off-by: Raymond Mao <raymond.mao at linaro.org>
> ---
> Changes in v2
> - None.
>
>  arch/arm/lib/elf_aarch64_efi.lds | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/lib/elf_aarch64_efi.lds b/arch/arm/lib/elf_aarch64_efi.lds
> index 5dd98091698..bffd9a0447a 100644
> --- a/arch/arm/lib/elf_aarch64_efi.lds
> +++ b/arch/arm/lib/elf_aarch64_efi.lds
> @@ -28,6 +28,7 @@ SECTIONS
>                 *(.dynamic);
>                 . = ALIGN(512);
>         }
> +       . = ALIGN(4096);

There are linker symbols a few lines below marking _etext and _text_size.
Those should be moved within the section alignment. On top of that,
more architectures will need a similar fix.

Heinrich don't you need similar changes on risc-v?

Thanks
/Ilias

>         .rela.dyn : { *(.rela.dyn) }
>         .rela.plt : { *(.rela.plt) }
>         .rela.got : { *(.rela.got) }
> --
> 2.25.1
>

Split this off to a preparation series. This seems like a generic fix.