From: Richard Henderson <richard.henderson@linaro.org>
Date: Wed, 10 Mar 2021 23:47:33 +0000 (-0600)
Subject: util/osdep: Add qemu_mprotect_rw
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d7107fc00aff819338e1d2683eabcbb2ff4ef61b;p=qemu.git

util/osdep: Add qemu_mprotect_rw

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

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 4c6f2390be..236a045671 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -512,6 +512,7 @@ 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