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[187.189.51.144]) by smtp.gmail.com with ESMTPSA id t2sm9337749qtd.13.2021.03.14.14.27.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Mar 2021 14:27:54 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 25/29] util/osdep: Add qemu_mprotect_rw Date: Sun, 14 Mar 2021 15:27:20 -0600 Message-Id: <20210314212724.1917075-26-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210314212724.1917075-1-richard.henderson@linaro.org> References: <20210314212724.1917075-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::72e; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x72e.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: r.bolshakov@yadro.com, j@getutm.app, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" For --enable-tcg-interpreter on Windows, we will need this. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- include/qemu/osdep.h | 1 + util/osdep.c | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index ba15be9c56..5cc2e57bdf 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -494,6 +494,7 @@ void sigaction_invoke(struct sigaction *action, #endif int qemu_madvise(void *addr, size_t len, int advice); +int qemu_mprotect_rw(void *addr, size_t size); int qemu_mprotect_rwx(void *addr, size_t size); int qemu_mprotect_none(void *addr, size_t size); diff --git a/util/osdep.c b/util/osdep.c index 66d01b9160..42a0a4986a 100644 --- a/util/osdep.c +++ b/util/osdep.c @@ -97,6 +97,15 @@ static int qemu_mprotect__osdep(void *addr, size_t size, int prot) #endif } +int qemu_mprotect_rw(void *addr, size_t size) +{ +#ifdef _WIN32 + return qemu_mprotect__osdep(addr, size, PAGE_READWRITE); +#else + return qemu_mprotect__osdep(addr, size, PROT_READ | PROT_WRITE); +#endif +} + int qemu_mprotect_rwx(void *addr, size_t size) { #ifdef _WIN32 -- 2.25.1