[Qemu-devel] [PATCH] translate-all: wrapped map_exec() in #ifdef

[SeokYeon Hwang]

Moved map_exec() and wrapped it in #ifdef to avoid "-Wunused-function" on clang 
3.4 or later.

Signed-off-by: SeokYeon Hwang <address@hidden>
---
 translate-all.c | 52 +++++++++++++++++++++++++++-------------------------
 1 file changed, 27 insertions(+), 25 deletions(-)

diff --git a/translate-all.c b/translate-all.c
index ba5c840..e64ebf9 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -269,31 +269,6 @@ bool cpu_restore_state(CPUState *cpu, uintptr_t retaddr)
     return false;
 }
 
-#ifdef _WIN32
-static inline void map_exec(void *addr, long size)
-{
-    DWORD old_protect;
-    VirtualProtect(addr, size,
-                   PAGE_EXECUTE_READWRITE, &old_protect);
-}
-#else
-static inline void map_exec(void *addr, long size)
-{
-    unsigned long start, end, page_size;
-
-    page_size = getpagesize();
-    start = (unsigned long)addr;
-    start &= ~(page_size - 1);
-
-    end = (unsigned long)addr + size;
-    end += page_size - 1;
-    end &= ~(page_size - 1);
-
-    mprotect((void *)start, end - start,
-             PROT_READ | PROT_WRITE | PROT_EXEC);
-}
-#endif
-
 void page_size_init(void)
 {
     /* NOTE: we can always suppose that qemu_host_page_size >=
@@ -536,6 +511,33 @@ static inline void *split_cross_256mb(void *buf1, size_t 
size1)
 }
 #endif
 
+#ifndef USE_MMAP
+# ifdef _WIN32
+static inline void map_exec(void *addr, long size)
+{
+    DWORD old_protect;
+    VirtualProtect(addr, size,
+                   PAGE_EXECUTE_READWRITE, &old_protect);
+}
+# else
+static inline void map_exec(void *addr, long size)
+{
+    unsigned long start, end, page_size;
+
+    page_size = getpagesize();
+    start = (unsigned long)addr;
+    start &= ~(page_size - 1);
+
+    end = (unsigned long)addr + size;
+    end += page_size - 1;
+    end &= ~(page_size - 1);
+
+    mprotect((void *)start, end - start,
+             PROT_READ | PROT_WRITE | PROT_EXEC);
+}
+# endif
+#endif
+
 #ifdef USE_STATIC_CODE_GEN_BUFFER
 static uint8_t static_code_gen_buffer[DEFAULT_CODE_GEN_BUFFER_SIZE]
     __attribute__((aligned(CODE_GEN_ALIGN)));
-- 
2.1.0