Make writing of frame translation platform independent.

src/arm64/lithium-codegen-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/arm64/lithium-codegen-arm64.h"
 #include "src/arm64/lithium-gap-resolver-arm64.h"
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 206 matching lines @@
   const Heap::RootListIndex index_;
 };
 
 
 void LCodeGen::WriteTranslation(LEnvironment* environment,
                                 Translation* translation) {
   if (environment == NULL) return;
 
   // The translation includes one command per value in the environment.
   int translation_size = environment->translation_size();
-  // The output frame height does not include the parameters.
-  int height = translation_size - environment->parameter_count();
 
   WriteTranslation(environment->outer(), translation);
-
-  switch (environment->frame_type()) {
-    case JS_FUNCTION: {
-      int shared_id = DefineDeoptimizationLiteral(
-          environment->entry() ? environment->entry()->shared()
-                               : info()->shared_info());
-      translation->BeginJSFrame(environment->ast_id(), shared_id, height);
-      if (info()->closure().is_identical_to(environment->closure())) {
-        translation->StoreJSFrameFunction();
-      } else {
-        int closure_id = DefineDeoptimizationLiteral(environment->closure());
-        translation->StoreLiteral(closure_id);
-      }
-      break;
-    }
-    case JS_CONSTRUCT: {
-      int shared_id = DefineDeoptimizationLiteral(
-          environment->entry() ? environment->entry()->shared()
-                               : info()->shared_info());
-      translation->BeginConstructStubFrame(shared_id, translation_size);
-      if (info()->closure().is_identical_to(environment->closure())) {
-        translation->StoreJSFrameFunction();
-      } else {
-        int closure_id = DefineDeoptimizationLiteral(environment->closure());
-        translation->StoreLiteral(closure_id);
-      }
-      break;
-    }
-    case JS_GETTER: {
-      DCHECK(translation_size == 1);
-      DCHECK(height == 0);
-      int shared_id = DefineDeoptimizationLiteral(
-          environment->entry() ? environment->entry()->shared()
-                               : info()->shared_info());
-      translation->BeginGetterStubFrame(shared_id);
-      if (info()->closure().is_identical_to(environment->closure())) {
-        translation->StoreJSFrameFunction();
-      } else {
-        int closure_id = DefineDeoptimizationLiteral(environment->closure());
-        translation->StoreLiteral(closure_id);
-      }
-      break;
-    }
-    case JS_SETTER: {
-      DCHECK(translation_size == 2);
-      DCHECK(height == 0);
-      int shared_id = DefineDeoptimizationLiteral(
-          environment->entry() ? environment->entry()->shared()
-                               : info()->shared_info());
-      translation->BeginSetterStubFrame(shared_id);
-      if (info()->closure().is_identical_to(environment->closure())) {
-        translation->StoreJSFrameFunction();
-      } else {
-        int closure_id = DefineDeoptimizationLiteral(environment->closure());
-        translation->StoreLiteral(closure_id);
-      }
-      break;
-    }
-    case ARGUMENTS_ADAPTOR: {
-      int shared_id = DefineDeoptimizationLiteral(
-          environment->entry() ? environment->entry()->shared()
-                               : info()->shared_info());
-      translation->BeginArgumentsAdaptorFrame(shared_id, translation_size);
-      if (info()->closure().is_identical_to(environment->closure())) {
-        translation->StoreJSFrameFunction();
-      } else {
-        int closure_id = DefineDeoptimizationLiteral(environment->closure());
-        translation->StoreLiteral(closure_id);
-      }
-      break;
-    }
-    case STUB:
-      translation->BeginCompiledStubFrame(translation_size);
-      break;
-  }
+  WriteTranslationFrame(environment, translation);
 
   int object_index = 0;
   int dematerialized_index = 0;
   for (int i = 0; i < translation_size; ++i) {
     LOperand* value = environment->values()->at(i);
     AddToTranslation(
         environment, translation, value, environment->HasTaggedValueAt(i),
         environment->HasUint32ValueAt(i), &object_index, &dematerialized_index);
   }
 }
@@ skipping 60 matching lines @@
   } else if (op->IsConstantOperand()) {
     HConstant* constant = chunk()->LookupConstant(LConstantOperand::cast(op));
     int src_index = DefineDeoptimizationLiteral(constant->handle(isolate()));
     translation->StoreLiteral(src_index);
   } else {
     UNREACHABLE();
   }
 }
 
 
-int LCodeGen::DefineDeoptimizationLiteral(Handle<Object> literal) {
-  int result = deoptimization_literals_.length();
-  for (int i = 0; i < deoptimization_literals_.length(); ++i) {
-    if (deoptimization_literals_[i].is_identical_to(literal)) return i;
-  }
-  deoptimization_literals_.Add(literal, zone());
-  return result;
-}
-
-
 void LCodeGen::RegisterEnvironmentForDeoptimization(LEnvironment* environment,
                                                     Safepoint::DeoptMode mode) {
   environment->set_has_been_used();
   if (!environment->HasBeenRegistered()) {
     int frame_count = 0;
     int jsframe_count = 0;
     for (LEnvironment* e = environment; e != NULL; e = e->outer()) {
       ++frame_count;
       if (e->frame_type() == JS_FUNCTION) {
         ++jsframe_count;
@@ skipping 5727 matching lines @@
   Handle<ScopeInfo> scope_info = instr->scope_info();
   __ Push(scope_info);
   __ Push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 }  // namespace internal
 }  // namespace v8