From a89b2ebb8e192c5e8cea21079bda2ee2c0c7dddd Mon Sep 17 00:00:00 2001
From: Simon Hausmann <simon.hausmann@nokia.com>
Date: Fri, 25 May 2012 15:09:11 +0200
Subject: Imported WebKit commit eb5c1b8fe4d4b1b90b5137433fc58a91da0e6878
 (http://svn.webkit.org/repository/webkit/trunk@118516)

---
 Source/JavaScriptCore/assembler/SH4Assembler.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'Source/JavaScriptCore/assembler/SH4Assembler.h')

diff --git a/Source/JavaScriptCore/assembler/SH4Assembler.h b/Source/JavaScriptCore/assembler/SH4Assembler.h
index 11e954cad..59d042244 100644
--- a/Source/JavaScriptCore/assembler/SH4Assembler.h
+++ b/Source/JavaScriptCore/assembler/SH4Assembler.h
@@ -1401,7 +1401,7 @@ public:
         ASSERT(value >= 0);
         ASSERT(value <= 60);
         *reinterpret_cast<uint16_t*>(where) = ((*reinterpret_cast<uint16_t*>(where) & 0xfff0) | (value >> 2));
-        ExecutableAllocator::cacheFlush(reinterpret_cast<uint16_t*>(where), sizeof(uint16_t));
+        cacheFlush(reinterpret_cast<uint16_t*>(where), sizeof(uint16_t));
     }
 
     static void relinkCall(void* from, void* to)
@@ -1546,6 +1546,17 @@ public:
         return m_buffer.executableCopy(globalData, ownerUID, effort);
     }
 
+    static void cacheFlush(void* code, size_t size)
+    {
+#if !OS(LINUX)
+#error "The cacheFlush support is missing on this platform."
+#elif defined CACHEFLUSH_D_L2
+        syscall(__NR_cacheflush, reinterpret_cast<unsigned>(code), size, CACHEFLUSH_D_WB | CACHEFLUSH_I | CACHEFLUSH_D_L2);
+#else
+        syscall(__NR_cacheflush, reinterpret_cast<unsigned>(code), size, CACHEFLUSH_D_WB | CACHEFLUSH_I);
+#endif
+    }
+
     void prefix(uint16_t pre)
     {
         m_buffer.putByte(pre);
-- 
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