Implement native call stub on ARM and native call redirection in ARM simulator.

runtime/vm/os_linux.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/globals.h"
 #if defined(TARGET_OS_LINUX)
 
 #include "vm/os.h"
 
+#include <dlfcn.h>  // NOLINT
 #include <errno.h>  // NOLINT
 #include <limits.h>  // NOLINT
 #include <malloc.h>  // NOLINT
 #include <time.h>  // NOLINT
 #include <sys/resource.h>  // NOLINT
 #include <sys/time.h>  // NOLINT
 #include <sys/types.h>  // NOLINT
 #include <unistd.h>  // NOLINT
 
 #include "platform/utils.h"
@@ skipping 455 matching lines @@
   }
   if (FLAG_generate_pprof_symbols != NULL) {
     CodeObservers::Register(new PprofCodeObserver);
   }
 #if defined(DART_VTUNE_SUPPORT)
   Register(new VTuneCodeObserver);
 #endif
 }
 
 
+const char* OS::ReverseLookupSymbol(uword address) {
+  // TODO(regis): This does not work for symbols of the main program.
+  // Passing -export-dynamic to the linker does not help.
+  Dl_info info;
+  if (dladdr(reinterpret_cast<void*>(address), &info)) {

[Ivan Posva, 2013/03/08 17:00:42]

I am not sure this is allowed within the security sandbox. Please remove this
functionality. Thanks

+    return info.dli_sname;
+  } else {
+    return NULL;
+  }
+}
+
+
 void OS::PrintErr(const char* format, ...) {
   va_list args;
   va_start(args, format);
   VFPrint(stderr, format, args);
   va_end(args);
 }
 
 
 void OS::InitOnce() {
   // TODO(5411554): For now we check that initonce is called only once,
@@ skipping 14 matching lines @@
 }
 
 
 void OS::Exit(int code) {
   exit(code);
 }
 
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)