--- ../../tmp.ne6Bz1oy72/xulrunner/src/mozilla-2.0/js/src/assembler/jit/ExecutableAllocator.h	2011-03-18 20:33:47.000000000 -0300
+++ js/src/assembler/jit/ExecutableAllocator.h	2011-03-30 15:45:07.537247142 -0300
@@ -44,9 +44,7 @@
 #include <e32std.h>
 #endif
 
-#if WTF_CPU_MIPS && WTF_PLATFORM_LINUX
 #include <sys/cachectl.h>
-#endif
 
 #if WTF_PLATFORM_WINCE
 // From pkfuncs.h (private header file from the Platform Builder)
@@ -311,89 +309,10 @@
 #endif
 
 
-#if WTF_CPU_X86 || WTF_CPU_X86_64
-    static void cacheFlush(void*, size_t)
-    {
-    }
-#elif WTF_CPU_MIPS
     static void cacheFlush(void* code, size_t size)
     {
-#if WTF_COMPILER_GCC && (GCC_VERSION >= 40300)
-#if WTF_MIPS_ISA_REV(2) && (GCC_VERSION < 40403)
-        int lineSize;
-        asm("rdhwr %0, $1" : "=r" (lineSize));
-        //
-        // Modify "start" and "end" to avoid GCC 4.3.0-4.4.2 bug in
-        // mips_expand_synci_loop that may execute synci one more time.
-        // "start" points to the fisrt byte of the cache line.
-        // "end" points to the last byte of the line before the last cache line.
-        // Because size is always a multiple of 4, this is safe to set
-        // "end" to the last byte.
-        //
-        intptr_t start = reinterpret_cast<intptr_t>(code) & (-lineSize);
-        intptr_t end = ((reinterpret_cast<intptr_t>(code) + size - 1) & (-lineSize)) - 1;
-        __builtin___clear_cache(reinterpret_cast<char*>(start), reinterpret_cast<char*>(end));
-#else
-        intptr_t end = reinterpret_cast<intptr_t>(code) + size;
-        __builtin___clear_cache(reinterpret_cast<char*>(code), reinterpret_cast<char*>(end));
-#endif
-#else
         _flush_cache(reinterpret_cast<char*>(code), size, BCACHE);
-#endif
-    }
-#elif WTF_CPU_ARM_THUMB2 && WTF_PLATFORM_IPHONE
-    static void cacheFlush(void* code, size_t size)
-    {
-        sys_dcache_flush(code, size);
-        sys_icache_invalidate(code, size);
-    }
-#elif WTF_CPU_ARM_THUMB2 && WTF_PLATFORM_LINUX
-    static void cacheFlush(void* code, size_t size)
-    {
-        asm volatile (
-            "push    {r7}\n"
-            "mov     r0, %0\n"
-            "mov     r1, %1\n"
-            "movw    r7, #0x2\n"
-            "movt    r7, #0xf\n"
-            "movs    r2, #0x0\n"
-            "svc     0x0\n"
-            "pop     {r7}\n"
-            :
-            : "r" (code), "r" (reinterpret_cast<char*>(code) + size)
-            : "r0", "r1", "r2");
-    }
-#elif WTF_PLATFORM_SYMBIAN
-    static void cacheFlush(void* code, size_t size)
-    {
-        User::IMB_Range(code, static_cast<char*>(code) + size);
-    }
-#elif WTF_CPU_ARM_TRADITIONAL && WTF_PLATFORM_LINUX && WTF_COMPILER_RVCT
-    static __asm void cacheFlush(void* code, size_t size);
-#elif WTF_CPU_ARM_TRADITIONAL && (WTF_PLATFORM_LINUX || WTF_PLATFORM_ANDROID) && WTF_COMPILER_GCC
-    static void cacheFlush(void* code, size_t size)
-    {
-        asm volatile (
-            "push    {r7}\n"
-            "mov     r0, %0\n"
-            "mov     r1, %1\n"
-            "mov     r7, #0xf0000\n"
-            "add     r7, r7, #0x2\n"
-            "mov     r2, #0x0\n"
-            "svc     0x0\n"
-            "pop     {r7}\n"
-            :
-            : "r" (code), "r" (reinterpret_cast<char*>(code) + size)
-            : "r0", "r1", "r2");
-    }
-#elif WTF_PLATFORM_WINCE
-    static void cacheFlush(void* code, size_t size)
-    {
-        CacheRangeFlush(code, size, CACHE_SYNC_ALL);
     }
-#else
-    #error "The cacheFlush support is missing on this platform."
-#endif
 
 private:
 
--- js/src/Makefile.in.orig	2011-03-30 22:02:39.725318514 -0300
+++ js/src/Makefile.in	2011-03-30 22:02:51.689347820 -0300
@@ -914,7 +914,7 @@
 # Needed to "configure" it correctly.  Unfortunately these
 # flags wind up being applied to all code in js/src, not just
 # the code in js/src/assembler.
-CXXFLAGS += -DUSE_SYSTEM_MALLOC=1 -DENABLE_ASSEMBLER=1 -DENABLE_JIT=1
+CXXFLAGS += -DUSE_SYSTEM_MALLOC=1 -DENABLE_JIT=1
 
 INCLUDES +=	-I$(srcdir)/assembler -I$(srcdir)/yarr