From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 82700 invoked by alias); 26 Oct 2017 08:29:59 -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 82689 invoked by uid 89); 26 Oct 2017 08:29:58 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-6.4 required=5.0 tests=BAYES_00,FREEMAIL_FROM,GIT_PATCH_3,RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM,SPF_PASS autolearn=ham version=3.3.2 spammy=H*r:sk:static., HERE X-HELO: mail-wr0-f196.google.com Received: from mail-wr0-f196.google.com (HELO mail-wr0-f196.google.com) (209.85.128.196) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 26 Oct 2017 08:29:56 +0000 Received: by mail-wr0-f196.google.com with SMTP id l1so2378675wrc.3 for ; Thu, 26 Oct 2017 01:29:56 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id; bh=/aERJdqP9x+y3jjQnFNcLuDbo+1sv6x58aLZtJk6hlw=; b=pCGwXVv/ORIS+vu5C4MZR9EgjDmGy2GVzV/1kBcpIyqKI0VP5Sq7DC2ptWI9BSzN2A LuIz049dlCEcIDrosvQLXMYgCN936VKqFFHQvv53VYHEcd19bcLaW5r753SegRLUqEyj LnWN0CbtZMHBHOGuUxRclUrSrJJwO6L55hqRUOHOyWdBFQZvJ9fYfZPsB/qbeobSbPR+ VN/l2cn6Mnm0EXafy4041kaB+xLudKNQBo41o6AzTiH2czX9znLyBsdf9bfhh7odFYiv s2L7zpwds3Nl0+nVSeLc6SrkEglbus/dsbKlxIOalWi1d80hSKye6grLVFcAL6YCdNZw mtQQ== X-Gm-Message-State: AMCzsaUkda2ybFkdi2JFYMymmXH3p6ZZuh1tfxYPokxefou1h35uC6RH gw0BdJdvNBLSGKHeNnVVnFWGjQ== X-Google-Smtp-Source: ABhQp+T8LcE0xi43R9PB7LFV5r5XvUDO/lAF38nIl84AQ/YavDDVNqHb3q57MNsjNx+L3MRbqcm24A== X-Received: by 10.223.153.45 with SMTP id x42mr4584950wrb.212.1509006594465; Thu, 26 Oct 2017 01:29:54 -0700 (PDT) Received: from E107787-LIN.cambridge.arm.com (static.42.136.251.148.clients.your-server.de. [148.251.136.42]) by smtp.gmail.com with ESMTPSA id k19sm4058506wrg.32.2017.10.26.01.29.53 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 26 Oct 2017 01:29:53 -0700 (PDT) From: Yao Qi X-Google-Original-From: Yao Qi To: gdb-patches@sourceware.org Subject: [PATCH 0/3 v2] [AArch64] Support tagged pointer Date: Thu, 26 Oct 2017 08:29:00 -0000 Message-Id: <1509006590-9401-1-git-send-email-yao.qi@linaro.org> X-IsSubscribed: yes X-SW-Source: 2017-10/txt/msg00792.txt.bz2 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, Each of them is fixed in a different way. This is the v2, and v1 can be found, https://sourceware.org/ml/gdb-patches/2017-10/msg00593.html A Linux kernel doc link is added in commit log, and a test case is added. *** BLURB HERE *** Yao Qi (3): [AArch64 Linux] Get rid of top byte from tagged address on memory access [AArch64] Adjust breakpoint on tagged address [AArch64] Remove tag from address for watchpoint gdb/aarch64-linux-nat.c | 25 +++++ gdb/aarch64-linux-tdep.c | 11 +++ gdb/aarch64-tdep.c | 10 ++ gdb/breakpoint.c | 3 +- gdb/gdbarch.c | 23 +++++ gdb/gdbarch.h | 8 ++ gdb/gdbarch.sh | 5 + gdb/gdbserver/linux-aarch64-low.c | 33 +++++++ gdb/testsuite/gdb.arch/aarch64-tagged-pointer.c | 58 ++++++++++++ gdb/testsuite/gdb.arch/aarch64-tagged-pointer.exp | 106 ++++++++++++++++++++++ 10 files changed, 280 insertions(+), 2 deletions(-) create mode 100644 gdb/testsuite/gdb.arch/aarch64-tagged-pointer.c create mode 100644 gdb/testsuite/gdb.arch/aarch64-tagged-pointer.exp -- 1.9.1