linux-kernel - Re: [PATCH v2 05/16] elf, uapi: Add type ElfXX

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Message-ID: <cf0f9c4c-e23d-4209-bf27-b2de2cfe0e96@arm.com>
Date: Fri, 28 Feb 2025 12:24:41 +0000
From: Vincenzo Frascino <vincenzo.frascino@....com>
To: Thomas Weißschuh <thomas.weissschuh@...utronix.de>,
 Kees Cook <kees@...nel.org>, Eric Biederman <ebiederm@...ssion.com>,
 Shuah Khan <shuah@...nel.org>, Nathan Chancellor <nathan@...nel.org>,
 Nick Desaulniers <ndesaulniers@...gle.com>, Bill Wendling
 <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>,
 Andy Lutomirski <luto@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
 Willy Tarreau <w@....eu>, Thomas Weißschuh
 <linux@...ssschuh.net>
Cc: "Jason A. Donenfeld" <Jason@...c4.com>,
 Christophe Leroy <christophe.leroy@...roup.eu>, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
 llvm@...ts.linux.dev
Subject: Re: [PATCH v2 05/16] elf, uapi: Add type ElfXX_Versym

On 26/02/2025 11:44, Thomas Weißschuh wrote:
> The types are used by tools/testing/selftests/vDSO/parse_vdso.c.
> To be able to build the vDSO selftests without a libc dependency,
> add the types to the kernels own UAPI headers.
> 
> As documented by elf(5).
> 
> Reviewed-by: Kees Cook <kees@...nel.org>
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
> ---
>  include/uapi/linux/elf.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
> index d040f12ff1c0ae3dde5c371c81d6089118fbe8ed..8846fe03ca5b836c96aad1be6d8fb9daf3d4b1d9 100644
> --- a/include/uapi/linux/elf.h
> +++ b/include/uapi/linux/elf.h
> @@ -11,6 +11,7 @@ typedef __u16	Elf32_Half;
>  typedef __u32	Elf32_Off;
>  typedef __s32	Elf32_Sword;
>  typedef __u32	Elf32_Word;
> +typedef __u16	Elf32_Versym;
>  
>  /* 64-bit ELF base types. */
>  typedef __u64	Elf64_Addr;
> @@ -21,6 +22,7 @@ typedef __s32	Elf64_Sword;
>  typedef __u32	Elf64_Word;
>  typedef __u64	Elf64_Xword;
>  typedef __s64	Elf64_Sxword;
> +typedef __u16	Elf64_Versym;
>  
>  /* These constants are for the segment types stored in the image headers */
>  #define PT_NULL    0
> 

Reviewed-by: Vincenzo Frascino <vincenzo.frascino@....com>

-- 
Regards,
Vincenzo