From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id +lNdBy/l4WL2rBsAWB0awg (envelope-from ) for ; Wed, 27 Jul 2022 21:23:59 -0400 Received: by simark.ca (Postfix, from userid 112) id 0E8651E9ED; Wed, 27 Jul 2022 21:23:59 -0400 (EDT) Authentication-Results: simark.ca; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.a=rsa-sha256 header.s=default header.b=o7DrC1zV; dkim-atps=neutral X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RDNS_DYNAMIC,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 Received: from sourceware.org (ip-8-43-85-97.sourceware.org [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 876CB1E87E for ; Wed, 27 Jul 2022 21:23:58 -0400 (EDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 6BE163856DFA for ; Thu, 28 Jul 2022 01:23:57 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6BE163856DFA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1658971437; bh=5HW/8TNXSgCPcSEBmicIwCQGriXXAUG4b70A6T4cAnY=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=o7DrC1zVBsIck4BmKHB6VGYwb1FwNyi1yrZv8E9DyyJ8t6Fccyhu6tzheRcVk1+Hr Xa9jdreUv16pJ8UmVgCPRKt9eyFmN90JSHFUhj/CKhRI6NvdNEB93oe+OaA4my3Rnx UKQym4ciQhvE7MurPbdLiogzMM68GwNRyC255QUQ= Received: from mail-oi1-x230.google.com (mail-oi1-x230.google.com [IPv6:2607:f8b0:4864:20::230]) by sourceware.org (Postfix) with ESMTPS id 2CCB7385829F for ; Thu, 28 Jul 2022 01:23:37 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 2CCB7385829F Received: by mail-oi1-x230.google.com with SMTP id l188so838417oia.4 for ; Wed, 27 Jul 2022 18:23:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=5HW/8TNXSgCPcSEBmicIwCQGriXXAUG4b70A6T4cAnY=; b=SKiq8z01VuHixkeK8XjiB54wKzE9CmirQgrYcRfnixakwwIo/rCv9pp+ohhSe3RWD6 RMr5M+y87qHA1aa0w1Q3KC4GXHowyNWovgMZWH3DZvrOtNBPmRhSCxbWmiDxRYjoLwBI GxgIsqUNHNMXnXx1QOoCzk8vqQQDG9Lxecx5102jDMQQsBRvuVJJ3qX3ARCRmM6GTnQC XIz3Y0XLuSHhrXSrG95Yc522Tn2A/CpRSyQZKABdX4EIrUHbsRPCeIQ9amkNxFYe/U+n 9flNrXiwkHMAW2i9YsaPK0hGEInNOv/imYkjqLJU5P6ZbeGvRx10t7PTRj0FqefleGbq 5h1w== X-Gm-Message-State: AJIora8cbZy18zHlhXKfYcy9UNBIrPPKU0kVjvzG/Wd08xIu13liE4oI PxaPFuyBzeemO8/CYjdGI86QpOsV95hMfg== X-Google-Smtp-Source: AGRyM1umnXyFf81dupW4U3cL3GBICdTWluoUnVyixKf428pPtvE7Kzf/eiNpCutUf4XE+hsgjCtG8w== X-Received: by 2002:a05:6808:1484:b0:33a:782a:a626 with SMTP id e4-20020a056808148400b0033a782aa626mr3056103oiw.145.1658971416487; Wed, 27 Jul 2022 18:23:36 -0700 (PDT) Received: from localhost ([2804:14d:7e39:8470:40de:7e97:7485:cc8e]) by smtp.gmail.com with ESMTPSA id z1-20020a4a8e41000000b00432ac97ad09sm7899457ook.26.2022.07.27.18.23.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Jul 2022 18:23:35 -0700 (PDT) To: gdb-patches@sourceware.org Subject: [PATCH 0/2] Fix bug in aarch64-linux GDB when inferior changes SVE vector length Date: Thu, 28 Jul 2022 01:23:04 +0000 Message-Id: <20220728012306.157639-1-thiago.bauermann@linaro.org> X-Mailer: git-send-email 2.37.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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: Thiago Jung Bauermann via Gdb-patches Reply-To: Thiago Jung Bauermann Errors-To: gdb-patches-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb-patches" Hello, While working on gdbserver support for the case where the inferior changes the SVE vector length, I noticed aproblem in the same scenario when doing native debugging (details are in patch 1). The testcase fails without the fix, and passes with it. Regression tested on aarch64-linux native on Ubuntu 20.04. Thanks, Thiago Thiago Jung Bauermann (2): gdb/aarch64: Fix thread's gdbarch when SVE vector length changes gdb/testsuite: Add test for AArch64 Scalable Vector Extension gdb/aarch64-linux-nat.c | 11 +++- gdb/aarch64-tdep.c | 25 ++++++++ gdb/aarch64-tdep.h | 2 + gdb/testsuite/gdb.arch/aarch64-sve.c | 61 +++++++++++++++++++ gdb/testsuite/gdb.arch/aarch64-sve.exp | 81 ++++++++++++++++++++++++++ gdb/testsuite/lib/gdb.exp | 4 ++ gdb/testsuite/lib/mi-support.exp | 4 -- 7 files changed, 181 insertions(+), 7 deletions(-) create mode 100644 gdb/testsuite/gdb.arch/aarch64-sve.c create mode 100644 gdb/testsuite/gdb.arch/aarch64-sve.exp