Initial revision of ARM simulator and (empty) MIPS simulator.

runtime/vm/os_win.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/os.h"
 
 #include <malloc.h>
 #include <time.h>
 
 #include "platform/utils.h"
@@ skipping 140 matching lines @@
   GetSystemInfo(&info);
   return info.dwNumberOfProcessors;
 }
 
 
 void OS::Sleep(int64_t millis) {
   ::Sleep(millis);
 }
 
 
+void OS::DebugBreak() {
+  UNIMPLEMENTED();

[Ivan Posva, 2013/01/24 18:25:57]

http://msdn.microsoft.com/en-us/library/windows/desktop/ms679297(v=vs.85).aspx

[regis, 2013/01/24 21:47:48]

I had already checked this one:
http://msdn.microsoft.com/en-us/library/f408b4et.aspx

+}
+
+
 void OS::Print(const char* format, ...) {
   va_list args;
   va_start(args, format);
   VFPrint(stdout, format, args);
   va_end(args);
 }
 
 
 void OS::VFPrint(FILE* stream, const char* format, va_list args) {
   vfprintf(stream, format, args);
@@ skipping 70 matching lines @@
 
 
 void OS::PrintErr(const char* format, ...) {
   va_list args;
   va_start(args, format);
   VFPrint(stderr, format, args);
   va_end(args);
 }
 
 
+// Cache the null page size.
+uword OS::null_page_size_ = 0;
+
+
 void OS::InitOnce() {
   // TODO(5411554): For now we check that initonce is called only once,
   // Once there is more formal mechanism to call InitOnce we can move
   // this check there.
   static bool init_once_called = false;
   ASSERT(init_once_called == false);
   init_once_called = true;
   // Do not pop up a message box when abort is called.
   _set_abort_behavior(0, _WRITE_ABORT_MSG);
+
+  // Initialize the null page size.
+  null_page_size_ = 4096;  // TODO(regis): Retrieve the actual value.
 }
 
 
 void OS::Shutdown() {
 }
 
 
 void OS::Abort() {
   abort();
 }
 
 
 void OS::Exit(int code) {
   exit(code);
 }
 
 }  // namespace dart