- Add an OSThread structure which is the generic TLS structure for all C++

runtime/vm/simulator_mips.cc

Index: runtime/vm/simulator_mips.cc
diff --git a/runtime/vm/simulator_mips.cc b/runtime/vm/simulator_mips.cc
index 04e0b7fda315d35d765d8063afcea0d354971c36..5fabae721cc74250693febdd81f711edaeca8afe 100644
--- a/runtime/vm/simulator_mips.cc
+++ b/runtime/vm/simulator_mips.cc
@@ -699,8 +699,8 @@ Simulator::Simulator() {
   // the size specified by the user and the buffer space needed for
   // handling stack overflow exceptions. To be safe in potential
   // stack underflows we also add some underflow buffer space.
-  stack_ = new char[(Isolate::GetSpecifiedStackSize() +
-                     Isolate::kStackSizeBuffer +
+  stack_ = new char[(OSThread::GetSpecifiedStackSize() +
+                     OSThread::kStackSizeBuffer +
                      kSimulatorStackUnderflowSize)];
   icount_ = 0;
   delay_slot_ = false;
@@ -997,7 +997,7 @@ uword Simulator::StackTop() const {
   // To be safe in potential stack underflows we leave some buffer above and
   // set the stack top.
   return StackBase() +
-      (Isolate::GetSpecifiedStackSize() + Isolate::kStackSizeBuffer);
+      (OSThread::GetSpecifiedStackSize() + OSThread::kStackSizeBuffer);
 }