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GET /api/patches/638472/?format=api
{ "id": 638472, "url": "http://patchwork.ozlabs.org/api/patches/638472/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/patch/1466485631-3532-20-git-send-email-ynorov@caviumnetworks.com/", "project": { "id": 41, "url": "http://patchwork.ozlabs.org/api/projects/41/?format=api", "name": "GNU C Library", "link_name": "glibc", "list_id": "libc-alpha.sourceware.org", "list_email": "libc-alpha@sourceware.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1466485631-3532-20-git-send-email-ynorov@caviumnetworks.com>", "list_archive_url": null, "date": "2016-06-21T05:07:02", "name": "[18/27,AARCH64] Add kernel_sigaction.h for AARCH64 ILP32", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b283af38ea6ad51badf0b171a267ce03aca5acfb", "submitter": { "id": 68471, "url": "http://patchwork.ozlabs.org/api/people/68471/?format=api", "name": "Yury Norov", "email": "ynorov@caviumnetworks.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/glibc/patch/1466485631-3532-20-git-send-email-ynorov@caviumnetworks.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/638472/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/638472/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<libc-alpha-return-70831-incoming=patchwork.ozlabs.org@sourceware.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "mailing list libc-alpha@sourceware.org" ], "Received": [ "from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3rYbXB2PCLz9s9Z\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 21 Jun 2016 15:15:22 +1000 (AEST)", "(qmail 26840 invoked by alias); 21 Jun 2016 05:13:35 -0000", "(qmail 20208 invoked by uid 89); 21 Jun 2016 05:13:31 -0000" ], "Authentication-Results": [ "ozlabs.org; dkim=pass (1024-bit key;\n\tsecure) header.d=sourceware.org header.i=@sourceware.org\n\theader.b=M7ZE+uA7; dkim-atps=neutral", "sourceware.org; auth=none", "spf=none (sender IP is )\n\tsmtp.mailfrom=Yuri.Norov@caviumnetworks.com; " ], "DomainKey-Signature": "a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:from:to:cc:subject:date:message-id:in-reply-to\n\t:references:mime-version:content-type; q=dns; s=default; b=jyNeJ\n\teUPbLJUfbvJESucSJJe2mHDmi040GteaRH8lBFb5gfD7p56+gjK4+GoDfjoKmiiz\n\ts2P3Fvg912Hj23AR7RY0WcNp08akxF0YnNbYS1Ow6o+WwMjFO1JpwoAe4ah2Swo2\n\t6bujFQViNexfFruxPvdKAfZHSgJsTUbVUJEMs4=", "DKIM-Signature": "v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:from:to:cc:subject:date:message-id:in-reply-to\n\t:references:mime-version:content-type; s=default; bh=lpF/ictnLpA\n\tezWbe+theyHwA7nA=; b=M7ZE+uA7FokB9La6GGlLpNRYz7GK5wZSiO+gMdl8Xid\n\tpKFEYDVoBw1dnWyVEy1ILpVylT3CZg7W/koxJU9LN2dC38Uzux8wUKdBFaPsW9aw\n\t72J4DPfI7puOPjzmiPEEVbfrXNrMzm2cGQEZUAcsp+H7BiiIiwDOCXcFwsD2zhjU\n\t=", "Mailing-List": "contact libc-alpha-help@sourceware.org; run by ezmlm", "Precedence": "bulk", "List-Id": "<libc-alpha.sourceware.org>", "List-Unsubscribe": "<mailto:libc-alpha-unsubscribe-incoming=patchwork.ozlabs.org@sourceware.org>", "List-Subscribe": "<mailto:libc-alpha-subscribe@sourceware.org>", "List-Archive": "<http://sourceware.org/ml/libc-alpha/>", "List-Post": "<mailto:libc-alpha@sourceware.org>", "List-Help": "<mailto:libc-alpha-help@sourceware.org>,\n\t<http://sourceware.org/ml/#faqs>", "Sender": "libc-alpha-owner@sourceware.org", "X-Virus-Found": "No", "X-Spam-SWARE-Status": "No, score=-1.5 required=5.0 tests=AWL, BAYES_00,\n\tRCVD_IN_DNSWL_NONE,\n\tSPF_HELO_PASS autolearn=ham version=3.3.2 spammy=5711, 5511,\n\tact", "X-HELO": "na01-by2-obe.outbound.protection.outlook.com", "From": "Yury Norov <ynorov@caviumnetworks.com>", "To": "<libc-alpha@sourceware.org>, <linux-kernel@vger.kernel.org>", "CC": "<arnd@arndb.de>, <catalin.marinas@arm.com>, <marcus.shawcroft@arm.com>, \n\t<philb@gnu.org>, <davem@davemloft.net>, <szabolcs.nagy@arm.com>,\n\t<maxim.kuvyrkov@linaro.org>, <joseph@codesourcery.com>,\n\t<pinskia@gmail.com>, Andrew Pinski <apinski@cavium.com>,\n\tYury Norov <ynorov@caviumnetworks.com>", "Subject": "[PATCH 18/27] [AARCH64] Add kernel_sigaction.h for AARCH64 ILP32", "Date": "Tue, 21 Jun 2016 08:07:02 +0300", "Message-ID": "<1466485631-3532-20-git-send-email-ynorov@caviumnetworks.com>", "In-Reply-To": "<1466485631-3532-1-git-send-email-ynorov@caviumnetworks.com>", "References": "<1466485631-3532-1-git-send-email-ynorov@caviumnetworks.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-ClientProxiedBy": "HE1PR03CA0035.eurprd03.prod.outlook.com (10.163.170.173)\n\tTo SN1PR07MB2254.namprd07.prod.outlook.com (10.164.47.148)", "X-MS-Office365-Filtering-Correlation-Id": "b539c472-7444-48ba-8042-08d399927553", "X-Microsoft-Exchange-Diagnostics": [ "1; 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SN1PR07MB2254;\n\t6:ciSAaykI6jZpjvWbLF91aJV+xqq+ov/T6iVplOvbsmuqNpslDO+qAmjVzoDMFj7cfFrQ4ZVRVSfjMW5Wqj6JKzivK9oN4DEmWy2CRpV7tnoiCe3XnAY/rlhJYaZwYVWFUDqB7cw87eciNkpRKLK+3HhXkoreuVbmoNRU6RgcbCvuXnK4suHPVPmu63hEurSZrx5jLD3PL9PON2ZpJV9JPysQ/ojwbG+IxcArxxTIhk7iCPX4Q9q9hYTAx87TXiclgNLdVss79DjWn+Rn7UCv9nFoT1UkGAc7IhbV9/HrNuA=;\n\t5:hyqmUpFy0fcUG1v+5tstQnKqYdl4wdjLZ47E6N361gH1g3/Hm+slEur3ZuTE0MA9BGr2F7wJG/SykW3qdxeW2NZVZCKwQu55HBGtsZnVLdLtxnq0Jp2KNCnGCF6tPI9axHKXf2Hbv22r2RlIz6gvaw==;\n\t24:sESNxJn+zoer/xyoKKKnxFHmVklCb7hBwF/jAr4+uQ6/H4sEwF0TmbCmYpY9QUT/g38muFmbRl7GDz9DB/2tDKKpFoS3MiPxScpL1Aos71I=;\n\t7:Lyvxpzm+RoTftHyLvsjymnDLllSZopkSGdmIwjLHDFg93FdWumgvePldL09tARgcacZQmCcu++s8MerHnOWfm+v9kCGKx5mAaI/5F9Nj98CTuK+L2h1Ej9SGVCtiJ1t7Vfw4+cOuux8IWOYHt8q7oljDiRZhtlGpdosQ8iYiN7ZkdP3FavKhAB44+Iy7KWaVwsCVRUX/b359w7vvzYK77Skobj/2Se+6lYuj3rbKgtcOsat2cEWOLv2BVF8+6Vkh" ], "X-Microsoft-Antispam": "UriScan:;BCL:0;PCL:0;RULEID:;SRVR:SN1PR07MB2254;", "X-Microsoft-Antispam-PRVS": "<SN1PR07MB22545E38D4FE4A09FA6E8708EE2B0@SN1PR07MB2254.namprd07.prod.outlook.com>", "X-Exchange-Antispam-Report-Test": "UriScan:;", "X-Exchange-Antispam-Report-CFA-Test": "BCL:0; PCL:0;\n\tRULEID:(601004)(2401047)(5005006)(8121501046)(3002001)(10201501046);\n\tSRVR:SN1PR07MB2254; BCL:0; PCL:0; RULEID:; SRVR:SN1PR07MB2254;", "X-Forefront-PRVS": "098076C36C", "X-Forefront-Antispam-Report": "SFV:NSPM;\n\tSFS:(10009020)(4630300001)(6009001)(6069001)(7916002)(199003)(189002)(66066001)(4001430100002)(4326007)(5003940100001)(36756003)(2906002)(47776003)(19580395003)(50226002)(7736002)(5001770100001)(42186005)(97736004)(19580405001)(189998001)(106356001)(81166006)(92566002)(81156014)(8676002)(77096005)(33646002)(105586002)(50986999)(76176999)(586003)(2950100001)(48376002)(76506005)(68736007)(101416001)(107886002)(7846002)(3846002)(50466002)(229853001)(6116002)(2101003);\n\tDIR:OUT; SFP:1101; SCL:1; SRVR:SN1PR07MB2254; H:localhost;\n\tFPR:; SPF:None; PTR:InfoNoRecords; A:1; MX:1; LANG:en; ", "Received-SPF": "None (protection.outlook.com: caviumnetworks.com does not\n\tdesignate permitted sender hosts)", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "caviumnetworks.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "21 Jun 2016 05:11:09.7389\n\t(UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "SN1PR07MB2254" }, "content": "From: Andrew Pinski <apinski@cavium.com>\n\nIn ILP32, the sigaction struct is the same as AARCH64 so we need\nthe header file kernel_sigaction.h. To allow for this to work,\nwe use a long long fields and then add extra casts when converting\nbetween the user exposed struct and the kernel exposed struct.\n\n* sysdeps/unix/sysv/linux/aarch64/kernel_sigaction.h: New file.\n* sysdeps/unix/sysv/linux/aarch64/sigaction.c (__libc_sigaction):\nAdd cast here it is necessary.\n\nSigned-off-by: Yury Norov <ynorov@caviumnetworks.com>\n---\n sysdeps/unix/sysv/linux/aarch64/kernel_sigaction.h | 12 ++++++++++++\n sysdeps/unix/sysv/linux/aarch64/sigaction.c | 10 ++++++----\n 2 files changed, 18 insertions(+), 4 deletions(-)\n create mode 100644 sysdeps/unix/sysv/linux/aarch64/kernel_sigaction.h", "diff": "diff --git a/sysdeps/unix/sysv/linux/aarch64/kernel_sigaction.h b/sysdeps/unix/sysv/linux/aarch64/kernel_sigaction.h\nnew file mode 100644\nindex 0000000..7b3023b\n--- /dev/null\n+++ b/sysdeps/unix/sysv/linux/aarch64/kernel_sigaction.h\n@@ -0,0 +1,12 @@\n+\n+#define HAVE_SA_RESTORER\n+\n+/* This is the sigaction structure in aarch64 kernel.\n+ Note the ILP32 struct uses the same struct as LP64\n+ which is why the fields are 64bit in size. */\n+struct kernel_sigaction {\n+\tunsigned long long k_sa_handler;\n+\tunsigned long long sa_flags;\n+\tunsigned long long sa_restorer;\n+\tsigset_t sa_mask;\n+};\ndiff --git a/sysdeps/unix/sysv/linux/aarch64/sigaction.c b/sysdeps/unix/sysv/linux/aarch64/sigaction.c\nindex 3291924..40a327f 100644\n--- a/sysdeps/unix/sysv/linux/aarch64/sigaction.c\n+++ b/sysdeps/unix/sysv/linux/aarch64/sigaction.c\n@@ -39,15 +39,17 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)\n \n if (act)\n {\n- kact.k_sa_handler = act->sa_handler;\n+ kact.k_sa_handler = (unsigned long long)(uintptr_t)act->sa_handler;\n memcpy (&kact.sa_mask, &act->sa_mask, sizeof (sigset_t));\n kact.sa_flags = act->sa_flags;\n #ifdef HAVE_SA_RESTORER\n if (kact.sa_flags & SA_RESTORER)\n-\tkact.sa_restorer = act->sa_restorer;\n+\tkact.sa_restorer = (unsigned long long)(uintptr_t)act->sa_restorer;\n #endif\n }\n \n+ /* This is needed for ILP32 as the structures are two different sizes due to\n+ using the LP64 structure. */\n result = INLINE_SYSCALL (rt_sigaction, 4, sig,\n \t\t\t act ? &kact : NULL,\n \t\t\t oact ? &koact : NULL, _NSIG / 8);\n@@ -55,11 +57,11 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)\n {\n if (oact && result >= 0)\n \t{\n-\t oact->sa_handler = koact.k_sa_handler;\n+\t oact->sa_handler = (void*)(uintptr_t)koact.k_sa_handler;\n \t memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (sigset_t));\n \t oact->sa_flags = koact.sa_flags;\n #ifdef HAVE_SA_RESTORER\n-\t oact->sa_restorer = koact.sa_restorer;\n+\t oact->sa_restorer = (void*)(uintptr_t)koact.sa_restorer;\n #endif\n \t}\n }\n", "prefixes": [ "18/27", "AARCH64" ] }