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Thu, 19 Jun 2025 09:15:50 -0700 (PDT) Received: from shemhazi.lan ([50.46.174.34]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b2fe168a0f8sm13168683a12.53.2025.06.19.09.15.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Jun 2025 09:15:49 -0700 (PDT) From: Rowan Hart To: qemu-devel@nongnu.org Cc: Pierrick Bouvier , Marcel Apfelbaum , Zhao Liu , Richard Henderson , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Alexandre Iooss , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Yanan Wang , Eduardo Habkost , Mahmoud Mandour , Paolo Bonzini , novafacing , Julian Ganz Subject: [PATCH v13 1/7] gdbstub: Expose gdb_write_register function to consumers of gdbstub Date: Thu, 19 Jun 2025 09:15:41 -0700 Message-ID: <20250619161547.1401448-2-rowanbhart@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250619161547.1401448-1-rowanbhart@gmail.com> References: <20250619161547.1401448-1-rowanbhart@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::432; envelope-from=rowanbhart@gmail.com; helo=mail-pf1-x432.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, FREEMAIL_FROM=0.001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: novafacing This patch exposes the gdb_write_register function from gdbstub/gdbstub.c via the exec/gdbstub.h header file to support use in plugins to write register contents. Reviewed-by: Alex Bennée Reviewed-by: Julian Ganz Reviewed-by: Pierrick Bouvier Signed-off-by: Rowan Hart --- gdbstub/gdbstub.c | 2 +- include/exec/gdbstub.h | 14 ++++++++++++++ 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c index def0b7e877..dd5fb5667c 100644 --- a/gdbstub/gdbstub.c +++ b/gdbstub/gdbstub.c @@ -535,7 +535,7 @@ int gdb_read_register(CPUState *cpu, GByteArray *buf, int reg) return 0; } -static int gdb_write_register(CPUState *cpu, uint8_t *mem_buf, int reg) +int gdb_write_register(CPUState *cpu, uint8_t *mem_buf, int reg) { GDBRegisterState *r; diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h index 0675b0b646..a16c0051ce 100644 --- a/include/exec/gdbstub.h +++ b/include/exec/gdbstub.h @@ -124,6 +124,20 @@ const GDBFeature *gdb_find_static_feature(const char *xmlname); */ int gdb_read_register(CPUState *cpu, GByteArray *buf, int reg); +/** + * gdb_write_register() - Write a register associated with a CPU. + * @cpu: The CPU associated with the register. + * @buf: The buffer that the register contents will be set to. + * @reg: The register's number returned by gdb_find_feature_register(). + * + * The size of @buf must be at least the size of the register being + * written. + * + * Return: The number of written bytes, or 0 if an error occurred (for + * example, an unknown register was provided). + */ +int gdb_write_register(CPUState *cpu, uint8_t *mem_buf, int reg); + /** * typedef GDBRegDesc - a register description from gdbstub */ -- 2.49.0