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 X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 30F66C2BB1D for ; Wed, 11 Mar 2020 19:33:20 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 23B8C2074A for ; Wed, 11 Mar 2020 19:33:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="BpLasVnn" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 23B8C2074A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=mkh7Py2rd7BCldECxfJ+iXDj6SyTvLuKWGq9tucXbUM=; b=BpLasVnndGwOwB ZcdoC3s4bCWhQs9C96m6ceJksXjhQKjHhXZRpphYz+Iyx9dS4QcrmEOzSFZeHckP4SIXnNZ4utq8Y bCSzk+oOGbmjzsCtDGIGKPtW8Wh7pjZXesNxiOVypzyiGqHUSwe93fEXzhoHt1NF6a6jH1WOuZmtw 1z5pxJyC18dCh8oYHCnQ4gaXMpDmK5FQCCNTnbODmmxdXa3LikVh4qq1MzdcwNhmuhiMbWhjVHx36 /wWPHQ1v/gegtsjAUlheFW8NxirN3jAXSD9OwMIIZNUBX3bXAzsD/VOgRPziM8EN3+TbAgiF+T6cI UDnEFP+7mALNVZz6I1nQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jC76U-0004BZ-JS; Wed, 11 Mar 2020 19:33:18 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jC76D-0003ss-Iz for linux-arm-kernel@lists.infradead.org; Wed, 11 Mar 2020 19:33:03 +0000 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 9E4057FA; Wed, 11 Mar 2020 12:33:00 -0700 (PDT) Received: from localhost (unknown [10.37.6.21]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id F1E903F534; Wed, 11 Mar 2020 12:32:59 -0700 (PDT) From: Mark Brown To: Catalin Marinas , Will Deacon Subject: [PATCH v9 01/13] ELF: UAPI and Kconfig additions for ELF program properties Date: Wed, 11 Mar 2020 19:25:56 +0000 Message-Id: <20200311192608.40095-2-broonie@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200311192608.40095-1-broonie@kernel.org> References: <20200311192608.40095-1-broonie@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200311_123301_696335_D6279D53 X-CRM114-Status: GOOD ( 11.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paul Elliott , Peter Zijlstra , Andrew Jones , Amit Kachhap , Vincenzo Frascino , linux-arch@vger.kernel.org, Marc Zyngier , Eugene Syromiatnikov , Szabolcs Nagy , Dave Martin , "H . J . Lu " , Yu-cheng Yu , Kees Cook , Arnd Bergmann , Jann Horn , Richard Henderson , =?UTF-8?q?Kristina=20Mart=C5=A1enko?= , Mark Brown , Alexander Viro , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Florian Weimer , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Sudakshina Das Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Dave Martin Pull the basic ELF definitions relating to the NT_GNU_PROPERTY_TYPE_0 note from Yu-Cheng Yu's earlier x86 shstk series. Signed-off-by: Yu-cheng Yu Signed-off-by: Dave Martin Reviewed-by: Kees Cook Reviewed-by: Catalin Marinas Signed-off-by: Mark Brown --- fs/Kconfig.binfmt | 3 +++ include/linux/elf.h | 12 ++++++++++++ include/uapi/linux/elf.h | 1 + 3 files changed, 16 insertions(+) diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt index 62dc4f577ba1..d2cfe0729a73 100644 --- a/fs/Kconfig.binfmt +++ b/fs/Kconfig.binfmt @@ -36,6 +36,9 @@ config COMPAT_BINFMT_ELF config ARCH_BINFMT_ELF_STATE bool +config ARCH_USE_GNU_PROPERTY + bool + config BINFMT_ELF_FDPIC bool "Kernel support for FDPIC ELF binaries" default y if !BINFMT_ELF diff --git a/include/linux/elf.h b/include/linux/elf.h index e3649b3e970e..f7b24c5fcfb6 100644 --- a/include/linux/elf.h +++ b/include/linux/elf.h @@ -2,6 +2,7 @@ #ifndef _LINUX_ELF_H #define _LINUX_ELF_H +#include #include #include @@ -56,4 +57,15 @@ static inline int elf_coredump_extra_notes_write(struct coredump_params *cprm) { extern int elf_coredump_extra_notes_size(void); extern int elf_coredump_extra_notes_write(struct coredump_params *cprm); #endif + +/* + * NT_GNU_PROPERTY_TYPE_0 header: + * Keep this internal until/unless there is an agreed UAPI definition. + * pr_type values (GNU_PROPERTY_*) are public and defined in the UAPI header. + */ +struct gnu_property { + u32 pr_type; + u32 pr_datasz; +}; + #endif /* _LINUX_ELF_H */ diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h index 34c02e4290fe..c37731407074 100644 --- a/include/uapi/linux/elf.h +++ b/include/uapi/linux/elf.h @@ -36,6 +36,7 @@ typedef __s64 Elf64_Sxword; #define PT_LOPROC 0x70000000 #define PT_HIPROC 0x7fffffff #define PT_GNU_EH_FRAME 0x6474e550 +#define PT_GNU_PROPERTY 0x6474e553 #define PT_GNU_STACK (PT_LOOS + 0x474e551) -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel