From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id ygSrJO/RHGDpFQAAWB0awg (envelope-from ) for ; Fri, 05 Feb 2021 00:04:47 -0500 Received: by simark.ca (Postfix, from userid 112) id 896441EFCB; Fri, 5 Feb 2021 00:04:47 -0500 (EST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on simark.ca X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,RDNS_NONE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.2 Received: from sourceware.org (unknown [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id 2EC001E939 for ; Fri, 5 Feb 2021 00:04:46 -0500 (EST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id B992A39DA415; Fri, 5 Feb 2021 05:04:45 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B992A39DA415 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1612501485; bh=XNeeK4xRdaWjZ9wBg1Yp5cChr7c6757Hmo/ObbzYr2o=; h=Subject:To:References:Date:In-Reply-To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=ZeqWBor9NcANbp9yJPwwicmV8QiqA9oj8jbQL5lQgB087mSOiS/d248U26GSHjq0s zSRT6VU6lGpCG1POSxUE2Ih6KUSpeUgHcnKvxGvIAr4y6xwnefmGuJ/Zq9GoYHHWaJ I65rUPS0y3E75+/C+jBlZ29WB5IxyYmWRvucsQ3E= Received: from smtp.polymtl.ca (smtp.polymtl.ca [132.207.4.11]) by sourceware.org (Postfix) with ESMTPS id 44C653874C39 for ; Fri, 5 Feb 2021 05:04:43 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 44C653874C39 Received: from simark.ca (simark.ca [158.69.221.121]) (authenticated bits=0) by smtp.polymtl.ca (8.14.7/8.14.7) with ESMTP id 11554br4018779 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 5 Feb 2021 00:04:41 -0500 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp.polymtl.ca 11554br4018779 Received: from [10.0.0.11] (192-222-157-6.qc.cable.ebox.net [192.222.157.6]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by simark.ca (Postfix) with ESMTPSA id 2117C1E939; Fri, 5 Feb 2021 00:04:37 -0500 (EST) Subject: Re: [PATCH v5 23/25] Document new "x" and "print" memory tagging extensions To: Luis Machado , gdb-patches@sourceware.org References: <20210127202112.2485702-1-luis.machado@linaro.org> <20210127202112.2485702-24-luis.machado@linaro.org> Message-ID: <874ec6e6-6a31-6ee5-a50e-2dd55de7bac5@polymtl.ca> Date: Fri, 5 Feb 2021 00:04:36 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.1 MIME-Version: 1.0 In-Reply-To: <20210127202112.2485702-24-luis.machado@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Poly-FromMTA: (simark.ca [158.69.221.121]) at Fri, 5 Feb 2021 05:04:37 +0000 X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Simon Marchi via Gdb-patches Reply-To: Simon Marchi Errors-To: gdb-patches-bounces@sourceware.org Sender: "Gdb-patches" On 2021-01-27 3:21 p.m., Luis Machado via Gdb-patches wrote: > Document the changes to the "print" and "x" commands to support memory > tagging. > > gdb/doc/ChangeLog: > > YYYY-MM-DD Luis Machado > > * gdb.texinfo (Data): Document memory tagging changes to the "print" > command. > (Examining Memory): Document memory tagging changes to the "x" > command. > (Memory Tagging): Update with more information on changes to the "x" > and "print" commands. > --- > gdb/doc/gdb.texinfo | 28 +++++++++++++++++++++++++--- > 1 file changed, 25 insertions(+), 3 deletions(-) > > diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo > index f751bdf4d3..5b21991b10 100644 > --- a/gdb/doc/gdb.texinfo > +++ b/gdb/doc/gdb.texinfo > @@ -9935,6 +9935,10 @@ If you omit @var{expr}, @value{GDBN} displays the last value again (from the > conveniently inspect the same value in an alternative format. > @end table > > +If the architecture supports memory tagging, the @code{print} command will > +display pointer/memory tag mismatches if what is being printed is a pointer > +or reference type. @xref{Memory Tagging}. Is there a section that documents the print options, to document "set print memory-tag-violations" and "print -memory-tag-violations"? Simon