For --enable-tcg-interpreter on Windows, we will need this.

Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
 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


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