From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ej1-x633.google.com (mail-ej1-x633.google.com [IPv6:2a00:1450:4864:20::633]) by sourceware.org (Postfix) with ESMTPS id 3CD523857829 for ; Mon, 5 Apr 2021 11:38:00 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 3CD523857829 Received: by mail-ej1-x633.google.com with SMTP id qo10so6019509ejb.6 for ; Mon, 05 Apr 2021 04:38:00 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:cc:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=AqKw1rGHVB82i6k9MlJz4LsvFBNzCLmSFmpoZHnICb4=; b=saO/c1z5vwr9vksdysWMRU8rPrkY3fB3rLGJKVtowP1udkUreEF5/BWWxaT329Ou8h zJJc221RSxK+fNSt1KeJXQ780Y4K2XzYRpHMkijtlu4IrpCbZsuGR8ITRyeU5D5V3fn6 hG5KRZQD7kRuqbVxJeYjNCgw0YEmqXOrqFjfKbhDQyz/h1q8KVRZzgGfCh3FbmXo5M+5 JmQUWq+IN1CiPUmupLM/UuFe8NgsqPdMvw9UxKkLmTMxrweSsMR8Ry9ZeX3Y9i/WCRnm 8Us7YroJ84BQCQNnKfJUXt2MMWitqz4kJ1y9scoeFBApfCkfdunKfxtdgof4qdoiytYo lz8w== X-Gm-Message-State: AOAM531QHwfLii1xDiCcvMStTqqR0Y4LE7X04ClbgylgPHchqfpHkLZW FRlVsgR9bUVeiVtpY35ae46OoPOGy6I= X-Google-Smtp-Source: ABdhPJxFxbH5S2b+Gdc/faIIbUgYOiBD2EX2EF6U2wB1LCnMTrCFOG6pwuayAGHpRgnzHITCfLLLRA== X-Received: by 2002:a17:906:cd0e:: with SMTP id oz14mr1301879ejb.60.1617622679126; Mon, 05 Apr 2021 04:37:59 -0700 (PDT) Received: from ?IPv6:2001:a61:2553:a401:cfc6:2039:a9ec:21ff? ([2001:a61:2553:a401:cfc6:2039:a9ec:21ff]) by smtp.gmail.com with ESMTPSA id k26sm8651790ejk.29.2021.04.05.04.37.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 05 Apr 2021 04:37:58 -0700 (PDT) Cc: mtk.manpages@gmail.com, linux-man@vger.kernel.org, libc-alpha@sourceware.org Subject: Re: [PATCH v5 24/35] getunwind.2: Use syscall(SYS_...); for system calls without a wrapper To: Alejandro Colomar References: <20210403194026.102818-1-alx.manpages@gmail.com> <20210404115847.78166-25-alx.manpages@gmail.com> From: "Michael Kerrisk (man-pages)" Message-ID: Date: Mon, 5 Apr 2021 13:37:57 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <20210404115847.78166-25-alx.manpages@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-11.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, KAM_SHORT, NICE_REPLY_A, 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: Mon, 05 Apr 2021 11:38:01 -0000 Hi Alex, On 4/4/21 1:58 PM, Alejandro Colomar wrote: > Signed-off-by: Alejandro Colomar > --- > man2/getunwind.2 | 14 ++++---------- > 1 file changed, 4 insertions(+), 10 deletions(-) Patch applied. Thanks, Michael > diff --git a/man2/getunwind.2 b/man2/getunwind.2 > index 45535dccf..2c44506c7 100644 > --- a/man2/getunwind.2 > +++ b/man2/getunwind.2 > @@ -29,16 +29,14 @@ > getunwind \- copy the unwind data to caller's buffer > .SH SYNOPSIS > .nf > -.B #include > .B #include > +.BR "#include " " /* Definition of " SYS_* " constants */" > +.B #inlcude > .PP > -.BI "long getunwind(void " *buf ", size_t " buf_size ); > +.BI "long syscall(SYS_getunwind, void " *buf ", size_t " buf_size ); > .fi > -.PP > -.IR Note : > -There is no glibc wrapper for this system call; see NOTES. > .SH DESCRIPTION > -.I Note: this function is obsolete. > +.I Note: this system call is obsolete. > .PP > The > IA-64-specific > @@ -102,9 +100,5 @@ and is available only on the IA-64 architecture. > This system call has been deprecated. > The modern way to obtain the kernel's unwind data is via the > .BR vdso (7). > -.PP > -Glibc does not provide a wrapper for this system call; > -in the unlikely event that you want to call it, use > -.BR syscall (2). > .SH SEE ALSO > .BR getauxval (3) > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/