From cfeab007a554034f0b3ab4a677cf9dd2696c12f9 Mon Sep 17 00:00:00 2001
From: andrew <andrew@FreeBSD.org>
Date: Mon, 30 Jul 2012 10:58:13 +0000
Subject: Import compiler-rt r160957.

---
 test/Unit/enable_execute_stack_test.c | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

(limited to 'test/Unit/enable_execute_stack_test.c')

diff --git a/test/Unit/enable_execute_stack_test.c b/test/Unit/enable_execute_stack_test.c
index ae4c320..c0f67b3 100644
--- a/test/Unit/enable_execute_stack_test.c
+++ b/test/Unit/enable_execute_stack_test.c
@@ -11,12 +11,27 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdint.h>
-#include <sys/mman.h>
-
-
+#if defined(_WIN32)
+#include <windows.h>
+void __clear_cache(void* start, void* end)
+{
+    if (!FlushInstructionCache(GetCurrentProcess(), start, end-start))
+        exit(1);
+}
+void __enable_execute_stack(void *addr)
+{
+    MEMORY_BASIC_INFORMATION b;
 
+    if (!VirtualQuery(addr, &b, sizeof(b)))
+        exit(1);
+    if (!VirtualProtect(b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE, &b.Protect))
+        exit(1);
+}
+#else
+#include <sys/mman.h>
 extern void __clear_cache(void* start, void* end);
 extern void __enable_execute_stack(void* addr);
+#endif
 
 typedef int (*pfunc)(void);
 
@@ -43,14 +58,14 @@ int main()
     memcpy(execution_buffer, (void *)(uintptr_t)&func1, 128);
     __clear_cache(execution_buffer, &execution_buffer[128]);
     pfunc f1 = (pfunc)(uintptr_t)execution_buffer;
-    if ( (*f1)() != 1 )
+    if ((*f1)() != 1)
         return 1;
 
     // verify you can overwrite a function with another
     memcpy(execution_buffer, (void *)(uintptr_t)&func2, 128);
     __clear_cache(execution_buffer, &execution_buffer[128]);
     pfunc f2 = (pfunc)(uintptr_t)execution_buffer;
-    if ( (*f2)() != 2 )
+    if ((*f2)() != 2)
         return 1;
 
     return 0;
-- 
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