From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8D65A26AA83; Fri, 28 Feb 2025 12:25:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740745508; cv=none; b=ggqTysFQALmvg/ZYvAoxRkKJ4xpOx3vZ6lrWtSFZEsvtOCKHf/Rux+aWQsNlHIc8+q8fksRQOF8KHn61IHHSgbj79e9ftM8+73ZwsMsiEz4nmlzjlsDm1ot8grjOg3N8KVXemS91cEOlqjCjenPP9j6RqaWazyZsWcgKHDt/eys= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740745508; c=relaxed/simple; bh=EgYTsb8SgK35ajAyJ1BGm2OuxPtzfoOzV36j+4vxHck=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ZwumXfbgoSzEFlVzHjFRNMv/4qWjoJbhM9sOfORNf2+Djy6xb0azHGfoSXFJml5JX/RyVuzTwthUz2Y811rDe/h8KH6522FkPWqpvRZxJVh+dc532XA5yeyAPPtW7S+A+3Lv6ToEMsJXIYKlWPhacJdNaMtAV2uuElA72FpevvA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 1D5871688; Fri, 28 Feb 2025 04:25:22 -0800 (PST) Received: from [10.1.196.72] (e119884-lin.cambridge.arm.com [10.1.196.72]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 773A93F6A8; Fri, 28 Feb 2025 04:25:04 -0800 (PST) Message-ID: Date: Fri, 28 Feb 2025 12:25:03 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 06/16] elf, uapi: Add types ElfXX_Verdef and ElfXX_Veraux To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , Kees Cook , Eric Biederman , Shuah Khan , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Andy Lutomirski , Thomas Gleixner , Willy Tarreau , =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= Cc: "Jason A. Donenfeld" , Christophe Leroy , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, llvm@lists.linux.dev References: <20250226-parse_vdso-nolibc-v2-0-28e14e031ed8@linutronix.de> <20250226-parse_vdso-nolibc-v2-6-28e14e031ed8@linutronix.de> Content-Language: en-US From: Vincenzo Frascino In-Reply-To: <20250226-parse_vdso-nolibc-v2-6-28e14e031ed8@linutronix.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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. > > Link: https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/symversion.html#VERDEFEXTS > Reviewed-by: Kees Cook > Signed-off-by: Thomas Weißschuh > --- > include/uapi/linux/elf.h | 30 ++++++++++++++++++++++++++++++ > 1 file changed, 30 insertions(+) > > diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h > index 8846fe03ca5b836c96aad1be6d8fb9daf3d4b1d9..49f9f90458d8ca8e7b8f823d32be0a719ff827b3 100644 > --- a/include/uapi/linux/elf.h > +++ b/include/uapi/linux/elf.h > @@ -491,4 +491,34 @@ typedef struct elf64_note { > /* Bits for GNU_PROPERTY_AARCH64_FEATURE_1_BTI */ > #define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0) > > +typedef struct { > + Elf32_Half vd_version; > + Elf32_Half vd_flags; > + Elf32_Half vd_ndx; > + Elf32_Half vd_cnt; > + Elf32_Word vd_hash; > + Elf32_Word vd_aux; > + Elf32_Word vd_next; > +} Elf32_Verdef; > + > +typedef struct { > + Elf64_Half vd_version; > + Elf64_Half vd_flags; > + Elf64_Half vd_ndx; > + Elf64_Half vd_cnt; > + Elf64_Word vd_hash; > + Elf64_Word vd_aux; > + Elf64_Word vd_next; > +} Elf64_Verdef; > + > +typedef struct { > + Elf32_Word vda_name; > + Elf32_Word vda_next; > +} Elf32_Verdaux; > + > +typedef struct { > + Elf64_Word vda_name; > + Elf64_Word vda_next; > +} Elf64_Verdaux; > + > #endif /* _UAPI_LINUX_ELF_H */ > Reviewed-by: Vincenzo Frascino -- Regards, Vincenzo