- Reduce the number of Isolate::Current() calls.

runtime/vm/code_patcher.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/code_patcher.h"
 #include "vm/cpu.h"
 #include "vm/instructions.h"
 #include "vm/object.h"
 #include "vm/virtual_memory.h"
 
 namespace dart {
 
 DEFINE_FLAG(bool, write_protect_code, true, "Write protect jitted code");
 
 
 WritableInstructionsScope::WritableInstructionsScope(uword address,
                                                      intptr_t size)
     : address_(address), size_(size) {
   if (FLAG_write_protect_code) {
-    bool status =
-        VirtualMemory::Protect(reinterpret_cast<void*>(address),
-                               size,
-                               VirtualMemory::kReadWrite);
+    bool status = VirtualMemory::Protect(reinterpret_cast<void*>(address),
+                                         size,
+                                         VirtualMemory::kReadWrite);
     ASSERT(status);
   }
 }
 
 
 WritableInstructionsScope::~WritableInstructionsScope() {
   if (FLAG_write_protect_code) {
-    bool status =
-        VirtualMemory::Protect(reinterpret_cast<void*>(address_),
-                               size_,
-                               VirtualMemory::kReadExecute);
+    bool status = VirtualMemory::Protect(reinterpret_cast<void*>(address_),
+                                         size_,
+                                         VirtualMemory::kReadExecute);
     ASSERT(status);
   }
 }
 
 
 static void SwapCode(intptr_t num_bytes, char* code, char* buffer) {
   uword code_address = reinterpret_cast<uword>(code);
   for (intptr_t i = 0; i < num_bytes; i++) {
     char tmp = *code;
     *code = *buffer;
@@ skipping 86 matching lines @@
     const uword obj_start = code.GetPointerOffsetAt(i) + code.EntryPoint();
     const uword obj_end  = obj_start + kWordSize;
     if ((obj_start < limit) && (obj_end > patch_addr)) {
       return false;
     }
   }
   return true;
 }
 
 }  // namespace dart