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[209.51.188.17]) by mx.google.com with ESMTPS id a6si8543607ilb.85.2021.04.06.08.01.22 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 06 Apr 2021 08:01:22 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=C7WvzXiW; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:56498 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lTnCk-0006RW-6j for patch@linaro.org; Tue, 06 Apr 2021 11:01:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51278) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lTnCM-0006Q0-Ou for qemu-devel@nongnu.org; Tue, 06 Apr 2021 11:00:58 -0400 Received: from mail-wr1-x42e.google.com ([2a00:1450:4864:20::42e]:43904) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lTnCK-00053l-81 for qemu-devel@nongnu.org; Tue, 06 Apr 2021 11:00:58 -0400 Received: by mail-wr1-x42e.google.com with SMTP id x7so14571790wrw.10 for ; Tue, 06 Apr 2021 08:00:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=+t3YZRN8RJbaF5Xe0/VHgfu1mXeGtvL3md2FwL8JLSU=; b=C7WvzXiWJ4ZnYjqrXinI7kHZNEYUBNuAV1CHezkBHB+XiecrI9qQO+Uf6pI4gir6/J MDX6d5Dvg+YjpeAYvC/aMNbLDBH9wIml2Ih71d29Km1b8Ow40nOH+0lTTvXh3vznIP17 TPq+Nil86waRzIAqvqNOzJO0msDAsAapqFbU+FfUav/crU1GdeDRacyTgWtYyx3UJess yWiW6SRVvB4TgEvVZ1ZMx9Y23tzxm6UBYB5xeLvPWdn06plyqfWFEb4/SgkDUEhymbOA ykUm57g0nTr/s6fL0cA/frJJGt76n23hWXVk0movSO6z19sv5eC0VesDaO5l2+URAZ12 cdFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=+t3YZRN8RJbaF5Xe0/VHgfu1mXeGtvL3md2FwL8JLSU=; b=GzVGHND0SlufWmUBdFIBdoxIZ5fyaB9ND+otOFhjU08bP1ZbQCs6kFEnhYBD52iGcS 1Nq275LLOsZERR/T+fUrvctLJLMcCtF8D2dmBdqGyGWlQbn80sfh9bq+dcdbm68wQo3r 77IggxJ54iOVSV4leAMDt4dawTnRXygsMkU8py8wKCFqpkUR8xsh5KfsnPbezXv/swY1 HrNEDzrjEmga+q7YWblDRwZ4fPPksQqKG0Zi0xsR2FrEbanJFAP7KhumuX0MoxwL/aS/ 6vn/WBiHvPBfcb1uymZFJa/9qZz8NNnoDLWtL5Qdjz5ve6/OIc0uiUJZR36rLGy5afmQ lgAw== X-Gm-Message-State: AOAM530UR1QIHnqZYUir1lLUxUD793Hy3VbnKuqkd1U0Ejd4bb1Q27lC xlzpryhPbBYj8B3s+rZAeATydA== X-Received: by 2002:a5d:46c6:: with SMTP id g6mr22804398wrs.410.1617721254818; Tue, 06 Apr 2021 08:00:54 -0700 (PDT) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id a15sm32632574wrr.53.2021.04.06.08.00.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Apr 2021 08:00:50 -0700 (PDT) Received: from zen.lan (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id BDA451FF96; Tue, 6 Apr 2021 16:00:42 +0100 (BST) From: =?utf-8?q?Alex_Benn=C3=A9e?= To: peter.maydell@linaro.org Subject: [PULL 08/11] docs/system/gdb.rst: Add some more heading structure Date: Tue, 6 Apr 2021 16:00:38 +0100 Message-Id: <20210406150041.28753-9-alex.bennee@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210406150041.28753-1-alex.bennee@linaro.org> References: <20210406150041.28753-1-alex.bennee@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::42e; envelope-from=alex.bennee@linaro.org; helo=mail-wr1-x42e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Alex_Benn=C3=A9e?= , qemu-devel@nongnu.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Peter Maydell We're about to add a new section to gdb.rst. In preparation, add some more headings so it isn't just one huge run-on section. Signed-off-by: Peter Maydell Signed-off-by: Alex Bennée Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20210325175023.13838-2-peter.maydell@linaro.org> Message-Id: <20210401102530.12030-9-alex.bennee@linaro.org> -- 2.20.1 diff --git a/docs/system/gdb.rst b/docs/system/gdb.rst index 72b1e68f4e..0bb1bedf1b 100644 --- a/docs/system/gdb.rst +++ b/docs/system/gdb.rst @@ -45,7 +45,11 @@ Here are some useful tips in order to use gdb on system code: 3. Use ``set architecture i8086`` to dump 16 bit code. Then use ``x/10i $cs*16+$eip`` to dump the code at the PC position. -Advanced debugging options: +Advanced debugging options +========================== + +Changing single-stepping behaviour +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The default single stepping behavior is step with the IRQs and timer service routines off. It is set this way because when gdb executes a @@ -88,6 +92,8 @@ three commands you can query and set the single step behavior: sending: "qemu.sstep=0x5" received: "OK" +Examining physical memory +^^^^^^^^^^^^^^^^^^^^^^^^^ Another feature that QEMU gdbstub provides is to toggle the memory GDB works with, by default GDB will show the current process memory respecting