Support profiling of simulated Dart code on mips, arm, and arm64.

runtime/vm/simulator_arm.cc

 // Copyright (c) 2013, 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 <setjmp.h>  // NOLINT
 #include <stdlib.h>
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_ARM)
 
@@ skipping 1158 matching lines @@
   }
   return value;
 }
 
 
 // Returns the top of the stack area to enable checking for stack pointer
 // validity.
 uword Simulator::StackTop() const {
   // To be safe in potential stack underflows we leave some buffer above and
   // set the stack top.
-  return reinterpret_cast<uword>(stack_) +
+  return StackBase() +
       (Isolate::GetSpecifiedStackSize() + Isolate::kStackSizeBuffer);
 }
 
 
 bool Simulator::IsTracingExecution() const {
   return icount_ > FLAG_trace_sim_after;
 }
 
 
 // Unsupported instructions use Format to print an error and stop execution.
@@ skipping 2683 matching lines @@
   set_register(kExceptionObjectReg, bit_cast<int32_t>(raw_exception));
   set_register(kStackTraceObjectReg, bit_cast<int32_t>(raw_stacktrace));
   buf->Longjmp();
 }
 
 }  // namespace dart
 
 #endif  // !defined(HOST_ARCH_ARM)
 
 #endif  // defined TARGET_ARCH_ARM