include: Move qemu_mprotect_*() to new qemu/mprotect.h

The qemu_mprotect_*() family of functions are used in very few files;
move them from osdep.h to a new qemu/mprotect.h.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220208200856.3558249-3-peter.maydell@linaro.org

include/qemu/mprotect.h

@@ -0,0 +1,14 @@
+/*
+ * QEMU mprotect functions
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef QEMU_MPROTECT_H
+#define QEMU_MPROTECT_H
+
+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);
+
+#endif

include/qemu/osdep.h

@@ -496,10 +496,6 @@ void sigaction_invoke(struct sigaction *action,
                       struct qemu_signalfd_siginfo *info);
 #endif
 
-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);
-
 /*
  * Don't introduce new usage of this function, prefer the following
  * qemu_open/qemu_create that take an "Error **errp"

tcg/region.c

@@ -25,6 +25,7 @@
 #include "qemu/osdep.h"
 #include "qemu/units.h"
 #include "qemu/madvise.h"
+#include "qemu/mprotect.h"
 #include "qapi/error.h"
 #include "exec/exec-all.h"
 #include "tcg/tcg.h"

util/osdep.c

@@ -39,6 +39,7 @@ extern int madvise(char *, size_t, int);
 #include "qemu/sockets.h"
 #include "qemu/error-report.h"
 #include "qemu/madvise.h"
+#include "qemu/mprotect.h"
 #include "monitor/monitor.h"
 
 static bool fips_enabled = false;