From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42473C282C5 for ; Fri, 28 Feb 2025 12:25:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D1536280008; Fri, 28 Feb 2025 07:25:09 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id CC52C280001; Fri, 28 Feb 2025 07:25:09 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B8CE8280008; Fri, 28 Feb 2025 07:25:09 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 9CFFC280001 for ; Fri, 28 Feb 2025 07:25:09 -0500 (EST) Received: from smtpin25.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 5B233A1A88 for ; Fri, 28 Feb 2025 12:25:09 +0000 (UTC) X-FDA: 83169273138.25.B6EB94F Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf07.hostedemail.com (Postfix) with ESMTP id ADB0F40007 for ; Fri, 28 Feb 2025 12:25:07 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf07.hostedemail.com: domain of vincenzo.frascino@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=vincenzo.frascino@arm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1740745507; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mEb+9FPugEHY0VLkubqxdV7MZq9eq49IzmkXtzY5Fc8=; b=FlZu/E9MkVQo8vD/Vxmww7bt3zxFDecVxQMTPXdfFKYCAlDOGqiwywqCgbrgT+4NygbNmF B1q1aJHVVvcR4p60TVPM8aSwZQlpFhjfgYLPEQoYpxLiC8+vs11INuo8NDJx74NaW5m7vh 5HF1c4Pbv3RiNPsN0Q4Q4FJrSRPmUU4= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf07.hostedemail.com: domain of vincenzo.frascino@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=vincenzo.frascino@arm.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1740745507; a=rsa-sha256; cv=none; b=jsWc0p4EOQg0MKGPLMb3VzS/9J8S2JXnMh5NSeetlPM7f9DSGGCAY/K2Ae52QaBHZNzQ7G X5+2pR7QNsPFx4U87FjONMInttMtFYGu7Lgq9blsy+zmwF3wpg+ReFd3s9WlDFZGUyxqV3 JLMR/cgugt2aiXrolPTyvxYafyxdpQg= 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 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 X-Stat-Signature: 3r39wj31afifn55jwcui531yadaof38n X-Rspamd-Queue-Id: ADB0F40007 X-Rspamd-Server: rspam06 X-Rspam-User: X-HE-Tag: 1740745507-307023 X-HE-Meta: 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 3rbVmzZL XkAghZ52FeHWGgEN9tUG21Yp6xahAbgRnxlrF/abVC3nxeIe1l6m+POznYVDpjAwJv/BLcP92BJdiv6toTOe2lp/UlIpKMMZD724sJ87GH7ZL7i4QnfyeQcKSwFb0eToutdZiBt3x5DGWQWk9OsdyT5tabTq9TTjxzebGu2KdJvCyD2DiIEQYucM95xgZ+wqxl5rHTRpE4IuWpGEAgSp9i3fbKDukgnLUE+Y8sNoFYRejJfku3l03z3XccGGJUd2sCPdDM2TUWDDG1ubrLb26z4R626eESe9E8S5Ej/LaW+J58zvdudQyuwO5kIaRoUDTXxrEAOZ0Htnoqyzxgks43wvsgEJGtbreD0//5QAmpZLuXJTmQ0fnAD0q/iIvOMEMOTCS X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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