From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 123343 invoked by alias); 8 Dec 2017 17:31:06 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 123327 invoked by uid 89); 8 Dec 2017 17:31:06 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham version=3.3.2 spammy= X-HELO: mail-qt0-f193.google.com Received: from mail-qt0-f193.google.com (HELO mail-qt0-f193.google.com) (209.85.216.193) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 08 Dec 2017 17:31:04 +0000 Received: by mail-qt0-f193.google.com with SMTP id w10so27606874qtb.10 for ; Fri, 08 Dec 2017 09:31:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:content-transfer-encoding; bh=Nm86lnTv+ShrvgiP4IKJaTn9YKXATDcJsKsU+r096cM=; b=LmPDC8S0zaNMpWIxi2/SIa2tjroPpOpPMMjl0c/FOfpvRVK2dHczUPa6ZVn6YLwAt4 VOVI1VMSBUiK9VsGCGKDvHhStO99MXbcpJJPkLoODMoBmUmEpSCK5lnPcmHqywFkAikc 40vrI/K8wex/lnElmnraV6a/kgRgQTph55kgxhqojyqrLjVfz+DN8GlWkVLuZGkgaIjp mxICSunUNpqShpOAMxGgjc05QfuLFxR1y1KglwAr3PeR4+PFUqXBk6x3X4lL+V9eN01B 4s7vHMGF25G+BIWGSAl3M9/RZrMjxxSpR7YblJTHSY+ZKZSMglxAHWj5LDwIQzGQLwe9 oI8w== X-Gm-Message-State: AKGB3mKXZsw7Md94gVnAIUiRGxW4jtj7LbtluD3Kn61JESe8BjwyOZ3t KmKu7NdU40ESQTJASGUu4Cm7pAbtM3p5FsT6D5gkYQ== X-Google-Smtp-Source: AGs4zMZofTq27sl8Xk2fD8f9qYRH8HCS34Vl5QFQxpFR83cMcPIKhdG8J4D73szxz9d64zrwpq+rwGlVo6NcAnd3TMg= X-Received: by 10.200.38.33 with SMTP id u30mr17474569qtu.197.1512754262840; Fri, 08 Dec 2017 09:31:02 -0800 (PST) MIME-Version: 1.0 Received: by 10.12.132.161 with HTTP; Fri, 8 Dec 2017 09:31:02 -0800 (PST) In-Reply-To: <1512727471-30745-1-git-send-email-yao.qi@linaro.org> References: <1512727471-30745-1-git-send-email-yao.qi@linaro.org> From: Yao Qi Date: Fri, 08 Dec 2017 17:31:00 -0000 Message-ID: Subject: Re: [PATCH 0/3 v3] [AArch64] Support tagged pointer To: GDB Patches Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes X-SW-Source: 2017-12/txt/msg00192.txt.bz2 On Fri, Dec 8, 2017 at 10:04 AM, Yao Qi wrote: > ARMv8 supports tagged address, that is, the top one byte in address > is ignored. It is always enabled on aarch64-linux. See > https://www.kernel.org/doc/Documentation/arm64/tagged-pointers.txt > > Some parts of GDB related to address are updated in this patch series, > > - Memory access, like command 'x', > - Setting hw breakpoint on some address, > - Setting watchpoint on some address, > I pushed them in as we are close to branching. We can still keep the addr_bits_remove vs significant_addr_bit conversation ongoing. --=20 Yao (=E9=BD=90=E5=B0=A7)