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() {
+#if defined(_MSC_VER)
+  // Microsoft Visual C/C++ or drop-in replacement.
+  __debugbreak();
+#elif defined(__GCC__)
+  // MinGW?
+  asm("int $3");
+#else
+  // Microsoft style assembly.
+  __asm {
+    int 3
+  }
+#endif
+}
+
+
 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 96 matching lines @@
 void OS::Abort() {
   abort();
 }
 
 
 void OS::Exit(int code) {
   exit(code);
 }
 
 }  // namespace dart