Rename NoGCScope -> NoSafepointScope.

runtime/vm/stack_frame.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/stack_frame.h"
 
 #include "platform/memory_sanitizer.h"
 #include "vm/assembler.h"
 #include "vm/deopt_instructions.h"
 #include "vm/isolate.h"
@@ skipping 63 matching lines @@
 
 void StackFrame::VisitObjectPointers(ObjectPointerVisitor* visitor) {
   // NOTE: This code runs while GC is in progress and runs within
   // a NoHandleScope block. Hence it is not ok to use regular Zone or
   // Scope handles. We use direct stack handles, the raw pointers in
   // these handles are not traversed. The use of handles is mainly to
   // be able to reuse the handle based code and avoid having to add
   // helper functions to the raw object interface.
   ASSERT(isolate_ == Isolate::Current());
   ASSERT(visitor != NULL);
-  NoGCScope no_gc;
+  NoSafepointScope no_safepoint;
   Code code;
   code = LookupDartCode();
   if (!code.IsNull()) {
     // Visit the code object.
     RawObject* raw_code = code.raw();
     visitor->VisitPointer(&raw_code);
 
     // Optimized frames have a stack map. We need to visit the frame based
     // on the stack map.
     Array maps;
@@ skipping 71 matching lines @@
   }
   return Function::null();
 }
 
 
 RawCode* StackFrame::LookupDartCode() const {
   ASSERT(isolate_ == Isolate::Current());
   // We add a no gc scope to ensure that the code below does not trigger
   // a GC as we are handling raw object references here. It is possible
   // that the code is called while a GC is in progress, that is ok.
-  NoGCScope no_gc;
+  NoSafepointScope no_safepoint;
   RawCode* code = GetCodeObject();
   ASSERT(code == Code::null() || code->ptr()->owner_ != Function::null());
   return code;
 }
 
 
 RawCode* StackFrame::GetCodeObject() const {
   // We add a no gc scope to ensure that the code below does not trigger
   // a GC as we are handling raw object references here. It is possible
   // that the code is called while a GC is in progress, that is ok.
-  NoGCScope no_gc;
+  NoSafepointScope no_safepoint;
   const uword pc_marker =
       *(reinterpret_cast<uword*>(fp() + (kPcMarkerSlotFromFp * kWordSize)));
   if (pc_marker != 0) {
     const uword entry_point =
         (pc_marker - Assembler::EntryPointToPcMarkerOffset());
     RawInstructions* instr = Instructions::FromEntryPoint(entry_point);
     if (instr != Instructions::null()) {
       return instr->ptr()->code_;
     }
   }
@@ skipping 294 matching lines @@
     if (deopt_instr->kind() == DeoptInstr::kCallerFp) {
       return (index - num_materializations_);
     }
   }
   UNREACHABLE();
   return 0;
 }
 
 
 }  // namespace dart