From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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) From: Thiago Jung Bauermann 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-Spam-Status: No, score=-3.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org 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: , X-List-Received-Date: Thu, 28 Jul 2022 01:23:39 -0000 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