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Thu, 30 Apr 2020 17:37:53 +0000 Date: Thu, 30 Apr 2020 18:37:51 +0100 From: Szabolcs Nagy To: libc-alpha@sourceware.org Subject: [PATCH 02/12] elf.h: add aarch64 property definitions Message-ID: <20200430173751.GX29015@arm.com> References: <20200430173458.GV29015@arm.com> Content-Disposition: inline In-Reply-To: <20200430173458.GV29015@arm.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-ClientProxiedBy: LO2P265CA0072.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:60::36) To AM6PR08MB3047.eurprd08.prod.outlook.com (2603:10a6:209:4c::23) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from arm.com (217.140.106.55) by LO2P265CA0072.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:60::36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.20 via Frontend Transport; Thu, 30 Apr 2020 17:37:52 +0000 X-Originating-IP: [217.140.106.55] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 1e0ca801-3b02-48cf-59c0-08d7ed2d39f3 X-MS-TrafficTypeDiagnostic: AM6PR08MB4213:|AM6PR08MB4213:|HE1PR0801MB2059: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true NoDisclaimer: true X-MS-Oob-TLC-OOBClassifiers: OLM:5797;OLM:5797; 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Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0801MB2059 X-Spam-Status: No, score=-28.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, MSGID_FROM_MTA_HEADER, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_PASS, TXREP, UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sudakshina Das Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" These property values are specified by the AArch64 ELF ABI and binutils can create binaries marked with them. Reviewed-by: Adhemerval Zanella --- elf/elf.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/elf/elf.h b/elf/elf.h index 5b5ce37d9e..197b557d15 100644 --- a/elf/elf.h +++ b/elf/elf.h @@ -1319,6 +1319,12 @@ typedef struct /* Application-specific semantics, hi */ #define GNU_PROPERTY_HIUSER 0xffffffff +/* AArch64 specific GNU properties. */ +#define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000 + +#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0) +#define GNU_PROPERTY_AARCH64_FEATURE_1_PAC (1U << 1) + /* The x86 instruction sets indicated by the corresponding bits are used in program. Their support in the hardware is optional. */ #define GNU_PROPERTY_X86_ISA_1_USED 0xc0000000