From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by sourceware.org (Postfix) with ESMTPS id 4242C3854801 for ; Sat, 13 Mar 2021 19:25:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 4242C3854801 Received: by mail-wm1-x32e.google.com with SMTP id g25so5728294wmh.0 for ; Sat, 13 Mar 2021 11:25:52 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=z3NNryk1ci9eYbs78Jt/UvIKKs9jNRVOVbWS8ChqMqc=; b=nihS/BugE8BjjfRhwzlH2BPy7NFPZBK+QqnRBlPKSJU8Xu6s62hOggI0ryO/I/jfKE MyFFMBPR1uOp+WwbUZIb9hJEVCfleZKb1eIl8ZmCWssX3nJUp5+TvGVzqsvzcnqZJ7/X Q/0JP7Q0NzimFLUtWR9l+NRebVXjtQadIXK1bLiOYrxkk7LuQnErskZALrPMPZcawx+D +ECJYnykP7lcqoikT5pB33VVhNiOQ9pUvawM7e8re84mzhKcWvbhWpAyvpsm3H6rT6he AHEq00o2G7EI98PBSZBTbfCBZ7QvBQN32dXKty0jCkiX4PtTMcoJgpXCLHcAjo/2Dbkl wQiw== X-Gm-Message-State: AOAM530aoMSIbImu5wqMWLqqZElwPc+2ZbC+M+CNS6d4yAow1KuG+cEU FUf9q3QTac0zP7LTGWV6SxA= X-Google-Smtp-Source: ABdhPJx8XH+GI14ambLJs44HFKtFSLjhMYB43uahxuH3zsK3nJ3aAR44vwc7rLp3W9uyMvAta7r7PA== X-Received: by 2002:a1c:1bc7:: with SMTP id b190mr19148407wmb.115.1615663551362; Sat, 13 Mar 2021 11:25:51 -0800 (PST) Received: from localhost.localdomain ([170.253.51.130]) by smtp.googlemail.com with ESMTPSA id j136sm7670964wmj.35.2021.03.13.11.25.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 13 Mar 2021 11:25:51 -0800 (PST) From: Alejandro Colomar To: mtk.manpages@gmail.com Cc: Alejandro Colomar , linux-man@vger.kernel.org, libc-alpha@sourceware.org, linux-kernel@vger.kernel.org, Florian Weimer Subject: [RFC v3 03/17] arch_prctl.2: Use syscall(SYS_...); for system calls without a wrapper Date: Sat, 13 Mar 2021 20:25:13 +0100 Message-Id: <20210313192526.350200-4-alx.manpages@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210214133907.157320-1-alx.manpages@gmail.com> References: <20210214133907.157320-1-alx.manpages@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-12.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP 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: , X-List-Received-Date: Sat, 13 Mar 2021 19:25:53 -0000 Signed-off-by: Alejandro Colomar --- man2/arch_prctl.2 | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/man2/arch_prctl.2 b/man2/arch_prctl.2 index f9a9dc39d..8706cd1ec 100644 --- a/man2/arch_prctl.2 +++ b/man2/arch_prctl.2 @@ -27,15 +27,14 @@ arch_prctl \- set architecture-specific thread state .SH SYNOPSIS .nf -.B #include +.BR "#include " " /* Definition of " ARCH_* " constants */" .B #include +.BR "#include " " /* Definition of " SYS_* " constants */" +.B #include .PP -.BI "int arch_prctl(int " code ", unsigned long " addr ); -.BI "int arch_prctl(int " code ", unsigned long *" addr ); +.BI "int syscall(SYS_arch_prctl, int " code ", unsigned long " addr ); +.BI "int syscall(SYS_arch_prctl, int " code ", unsigned long *" addr ); .fi -.PP -.IR Note : -There is no glibc wrapper for this system call; see NOTES. .SH DESCRIPTION .BR arch_prctl () sets architecture-specific process or thread state. @@ -177,9 +176,6 @@ and in the same thread is dangerous, as they may overwrite each other's TLS entries. .PP -Glibc does not provide a wrapper for this system call; call it using -.BR syscall (2). -.PP .I FS may be already used by the threading library. Programs that use -- 2.30.2