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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=20Benn=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 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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=20Benn=C3=A9e?= , qemu-devel@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.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> 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 -- 2.20.1