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

runtime/vm/simulator_arm64.cc

 // Copyright (c) 2014, 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_ARM64)
 
@@ skipping 728 matching lines @@
 }
 
 
 Simulator::Simulator() {
   // Setup simulator support first. Some of this information is needed to
   // setup the architecture state.
   // We allocate the stack here, the size is computed as the sum of
   // 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)];
   pc_modified_ = false;
   icount_ = 0;
   break_pc_ = NULL;
   break_instr_ = 0;
   last_setjmp_buffer_ = NULL;
   top_exit_frame_info_ = 0;
 
   // Setup architecture state.
   // All registers are initialized to zero to start with.
@@ skipping 287 matching lines @@
   FATAL("Cannot continue execution after unimplemented instruction.");
 }
 
 
 // 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 StackBase() +
-      (Isolate::GetSpecifiedStackSize() + Isolate::kStackSizeBuffer);
+      (OSThread::GetSpecifiedStackSize() + OSThread::kStackSizeBuffer);
 }
 
 
 bool Simulator::IsTracingExecution() const {
   return icount_ > FLAG_trace_sim_after;
 }
 
 
 intptr_t Simulator::ReadX(uword addr, Instr* instr) {
   if ((addr & 7) == 0) {
@@ skipping 2467 matching lines @@
   set_register(NULL, kExceptionObjectReg, bit_cast<int64_t>(raw_exception));
   set_register(NULL, kStackTraceObjectReg, bit_cast<int64_t>(raw_stacktrace));
   buf->Longjmp();
 }
 
 }  // namespace dart
 
 #endif  // !defined(USING_SIMULATOR)
 
 #endif  // defined TARGET_ARCH_ARM64