Adding deopt info to code object.

runtime/vm/code_descriptors.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/code_descriptors.h"
 
 namespace dart {
 
 void DescriptorList::AddDescriptor(PcDescriptors::Kind kind,
                                    intptr_t pc_offset,
                                    intptr_t node_id,
                                    intptr_t token_index,
                                    intptr_t try_index) {
   struct PcDesc data;
   data.pc_offset = pc_offset;
   data.kind = kind;
   data.node_id = node_id;
   data.token_index = token_index;
   data.try_index = try_index;
   list_.Add(data);
 }
 
 
+void DescriptorList::AddDeoptInfo(intptr_t pc_offset,
+                                  intptr_t node_id,
+                                  intptr_t token_index,
+                                  intptr_t deopt_array_index) {
+  struct PcDesc data;
+  data.pc_offset = pc_offset;
+  data.kind = PcDescriptors::kDeoptIndex;
+  data.node_id = node_id;
+  data.token_index = token_index;
+  // Try_index is reused for deopt_array_index.
+  data.try_index = deopt_array_index;
+  list_.Add(data);
+}
+
+
 RawPcDescriptors* DescriptorList::FinalizePcDescriptors(uword entry_point) {
   intptr_t num_descriptors = Length();
   const PcDescriptors& descriptors =
       PcDescriptors::Handle(PcDescriptors::New(num_descriptors));
   for (intptr_t i = 0; i < num_descriptors; i++) {
     descriptors.AddDescriptor(i,
                               (entry_point + PcOffset(i)),
                               Kind(i),
                               NodeId(i),
                               TokenIndex(i),
@@ skipping 42 matching lines @@
 }
 
 
 RawStackmap* StackmapTableBuilder::Map(int index) const {
   Stackmap& map = Stackmap::Handle();
   map ^= list_.At(index);
   return map.raw();
 }
 
 }  // namespace dart