Changeset 79773 in webkit for trunk/Source/JavaScriptCore/jit

Timestamp:

Feb 26, 2011, 2:11:10 AM (14 years ago)

Author:

[email protected]

Message:

2011-02-26 Thouraya ANDOLSI <​[email protected]>

Reviewed by Nikolas Zimmermann.

SH4 JIT SUPPORT
​https://bugs.webkit.org/show_bug.cgi?id=44329

Provide an ExecutableAllocater::cacheFlush() implementation for
Linux/SH4.

• jit/ExecutableAllocator.h: (JSC::ExecutableAllocator::cacheFlush):

File:

• trunk/Source/JavaScriptCore/jit/ExecutableAllocator.h (modified) (2 diffs)

trunk/Source/JavaScriptCore/jit/ExecutableAllocator.h

@@ -48 +48 @@
 #endif
 
+#if CPU(SH4) && OS(LINUX)
+#include <asm/cachectl.h>
+#include <asm/unistd.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+#endif
+
 #if OS(WINCE)
 // From pkfuncs.h (private header file from the Platform Builder)
@@ -311 +318 @@
         IMemCache1_ClearCache(memCache.get(), reinterpret_cast<uint32>(code), size, MEMSPACE_CACHE_INVALIDATE, MEMSPACE_INSTCACHE);
     }
+#elif CPU(SH4) && OS(LINUX)
+    static void cacheFlush(void* code, size_t size)
+    {
+#ifdef 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
+    }
 #else
     #error "The cacheFlush support is missing on this platform."