Add a getter for the address and size of the code range to the pulic API

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index bda34bdfacacbb369f5e8db2b18d03c6f38b1ec7..e8190bdefb6ee0a96c06fdd04a6c105a56c02185 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -6813,6 +6813,18 @@ void v8::Isolate::SetStackLimit(uintptr_t stack_limit) {
 }
 
 
+void v8::Isolate::GetCodeRange(void** start, size_t* length_in_bytes) {
+  i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
+  if (isolate->code_range() && isolate->code_range()->valid()) {

[Sven Panne, 2014/09/29 11:41:51]

I think the first part of the conjunction will always be true, now that we
always have initialized Isolates.

[jochen (gone - plz use gerrit), 2014/09/29 11:43:17]

no, we only create a code range on 64bit

[Sven Panne, 2014/09/29 11:48:25]

I think we *always* create a CodeRange, but it's only valid() on x64. If that's
a good overall design is another question... :-)

+    *start = isolate->code_range()->start();
+    *length_in_bytes = isolate->code_range()->size();
+  } else {
+    *start = NULL;
+    *length_in_bytes = 0;
+  }
+}
+
+
 String::Utf8Value::Utf8Value(v8::Handle<v8::Value> obj)
     : str_(NULL), length_(0) {
   i::Isolate* isolate = i::Isolate::Current();