Revert "DWARF and unwind support for AOT assembly output."

runtime/vm/object.h

 // 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.
 
 #ifndef RUNTIME_VM_OBJECT_H_
 #define RUNTIME_VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 8426 matching lines @@
   }
   static RawStackTrace* New(const Array& code_array,
                             const Array& pc_offset_array,
                             Heap::Space space = Heap::kNew);
 
   static RawStackTrace* New(const Array& code_array,
                             const Array& pc_offset_array,
                             const StackTrace& async_link,
                             Heap::Space space = Heap::kNew);
 
+  // The argument 'max_frames' limits the number of printed frames.
+  static const char* ToCStringInternal(const StackTrace& stack_trace,
+                                       intptr_t* frame_index,
+                                       intptr_t max_frames = kMaxInt32);
+
  private:
-  static const char* ToDartCString(const StackTrace& stack_trace_in);
-  static const char* ToDwarfCString(const StackTrace& stack_trace_in);
-
   void set_code_array(const Array& code_array) const;
   void set_pc_offset_array(const Array& pc_offset_array) const;
   bool expand_inlined() const;
 
   FINAL_HEAP_OBJECT_IMPLEMENTATION(StackTrace, Instance);
   friend class Class;
   friend class Debugger;
 };
 
 
@@ skipping 471 matching lines @@
 
 inline void TypeArguments::SetHash(intptr_t value) const {
   // This is only safe because we create a new Smi, which does not cause
   // heap allocation.
   StoreSmi(&raw_ptr()->hash_, Smi::New(value));
 }
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_OBJECT_H_