[vm] Read interface_target_reference from kernel binaries

runtime/vm/intermediate_language.h

 // Copyright (c) 2013, 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.
 
 #ifndef RUNTIME_VM_INTERMEDIATE_LANGUAGE_H_
 #define RUNTIME_VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/flags.h"
@@ skipping 2836 matching lines @@
   virtual EffectSet Effects() const { return EffectSet::All(); }
 
   PRINT_OPERANDS_TO_SUPPORT
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ClosureCallInstr);
 };
 
 class InstanceCallInstr : public TemplateDartCall<0> {
  public:
-  InstanceCallInstr(TokenPosition token_pos,
-                    const String& function_name,
-                    Token::Kind token_kind,
-                    ZoneGrowableArray<PushArgumentInstr*>* arguments,
-                    intptr_t type_args_len,
-                    const Array& argument_names,
-                    intptr_t checked_argument_count,
-                    const ZoneGrowableArray<const ICData*>& ic_data_array,
-                    intptr_t deopt_id)
+  InstanceCallInstr(
+      TokenPosition token_pos,
+      const String& function_name,
+      Token::Kind token_kind,
+      ZoneGrowableArray<PushArgumentInstr*>* arguments,
+      intptr_t type_args_len,
+      const Array& argument_names,
+      intptr_t checked_argument_count,
+      const ZoneGrowableArray<const ICData*>& ic_data_array,
+      intptr_t deopt_id,
+      const Function& interface_target = Function::null_function())
       : TemplateDartCall(deopt_id,
                          type_args_len,
                          argument_names,
                          arguments,
                          token_pos),
         ic_data_(NULL),
         function_name_(function_name),
         token_kind_(token_kind),
         checked_argument_count_(checked_argument_count),
+        interface_target_(interface_target),
         has_unique_selector_(false) {
     ic_data_ = GetICData(ic_data_array);
     ASSERT(function_name.IsNotTemporaryScopedHandle());

[rmacnak, 2017/08/18 00:52:43]

ASSERT(interface_target_.IsNotTemporaryScopedHandle());

[alexmarkov, 2017/08/18 17:15:57]

Done.

     ASSERT(!arguments->is_empty());
     ASSERT(Token::IsBinaryOperator(token_kind) ||
            Token::IsEqualityOperator(token_kind) ||
            Token::IsRelationalOperator(token_kind) ||
            Token::IsUnaryOperator(token_kind) ||
            Token::IsIndexOperator(token_kind) ||
            Token::IsTypeTestOperator(token_kind) ||
            Token::IsTypeCastOperator(token_kind) || token_kind == Token::kGET ||
            token_kind == Token::kSET || token_kind == Token::kILLEGAL);
   }
 
   DECLARE_INSTRUCTION(InstanceCall)
 
   const ICData* ic_data() const { return ic_data_; }
   bool HasICData() const { return (ic_data() != NULL) && !ic_data()->IsNull(); }
 
   // ICData can be replaced by optimizer.
   void set_ic_data(const ICData* value) { ic_data_ = value; }
 
   const String& function_name() const { return function_name_; }
   Token::Kind token_kind() const { return token_kind_; }
   intptr_t checked_argument_count() const { return checked_argument_count_; }
+  const Function& interface_target() const { return interface_target_; }
 
   bool has_unique_selector() const { return has_unique_selector_; }
   void set_has_unique_selector(bool b) { has_unique_selector_ = b; }
 
   virtual intptr_t CallCount() const {
     return ic_data() == NULL ? 0 : ic_data()->AggregateCount();
   }
 
   virtual bool ComputeCanDeoptimize() const { return true; }
 
@@ skipping 15 matching lines @@
 
  protected:
   friend class JitOptimizer;
   void set_ic_data(ICData* value) { ic_data_ = value; }
 
  private:
   const ICData* ic_data_;
   const String& function_name_;
   const Token::Kind token_kind_;  // Binary op, unary op, kGET or kILLEGAL.
   const intptr_t checked_argument_count_;
+  const Function& interface_target_;
   bool has_unique_selector_;
 
   DISALLOW_COPY_AND_ASSIGN(InstanceCallInstr);
 };
 
 class PolymorphicInstanceCallInstr : public TemplateDefinition<0, Throws> {
  public:
   PolymorphicInstanceCallInstr(InstanceCallInstr* instance_call,
                                const CallTargets& targets,
                                bool complete)
@@ skipping 5151 matching lines @@
 #define DEFINE_UNIMPLEMENTED_INSTRUCTION(Name)                                 \
   LocationSummary* Name::MakeLocationSummary(Zone* zone, bool opt) const {     \
     UNIMPLEMENTED();                                                           \
     return NULL;                                                               \
   }                                                                            \
   void Name::EmitNativeCode(FlowGraphCompiler* compiler) { UNIMPLEMENTED(); }
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_INTERMEDIATE_LANGUAGE_H_