Version 3.13.4

src/arm/deoptimizer-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 88 matching lines @@
   node->set_next(data->deoptimizing_code_list_);
   data->deoptimizing_code_list_ = node;
 
   // We might be in the middle of incremental marking with compaction.
   // Tell collector to treat this code object in a special way and
   // ignore all slots that might have been recorded on it.
   isolate->heap()->mark_compact_collector()->InvalidateCode(code);
 
   // Iterate over all the functions which share the same code object
   // and make them use unoptimized version.
-  Context* context = function->context()->native_context();
+  Context* context = function->context()->global_context();
   Object* element = context->get(Context::OPTIMIZED_FUNCTIONS_LIST);
   SharedFunctionInfo* shared = function->shared();
   while (!element->IsUndefined()) {
     JSFunction* func = JSFunction::cast(element);
     // Grab element before code replacement as ReplaceCode alters the list.
     element = func->next_function_link();
     if (func->code() == code) {
       func->ReplaceCode(shared->code());
     }
   }
@@ skipping 468 matching lines @@
 
   ASSERT(0 == output_offset);
 
   uint32_t pc = reinterpret_cast<uint32_t>(
       construct_stub->instruction_start() +
       isolate_->heap()->construct_stub_deopt_pc_offset()->value());
   output_frame->SetPc(pc);
 }
 
 
-void Deoptimizer::DoComputeSetterStubFrame(TranslationIterator* iterator,
-                                           int frame_index) {
-  JSFunction* setter = JSFunction::cast(ComputeLiteral(iterator->Next()));
-  // The receiver and the implicit return value are expected in registers by the
-  // StoreIC, so they don't belong to the output stack frame. This means that we
-  // have to use a height of 0.
-  unsigned height = 0;
-  unsigned height_in_bytes = height * kPointerSize;
-  if (FLAG_trace_deopt) {
-    PrintF("  translating setter stub => height=%u\n", height_in_bytes);
-  }
-
-  // We need 5 stack entries from StackFrame::INTERNAL (lr, fp, cp, frame type,
-  // code object, see MacroAssembler::EnterFrame) + 1 stack entry from setter
-  // stub (implicit return value, see StoreStubCompiler::CompileStoreViaSetter).
-  unsigned fixed_frame_size = (5 + 1) * kPointerSize;
-  unsigned output_frame_size = height_in_bytes + fixed_frame_size;
-
-  // Allocate and store the output frame description.
-  FrameDescription* output_frame =
-      new(output_frame_size) FrameDescription(output_frame_size, setter);
-  output_frame->SetFrameType(StackFrame::INTERNAL);
-
-  // A frame for a setter stub can not be the topmost or bottommost one.
-  ASSERT(frame_index > 0 && frame_index < output_count_ - 1);
-  ASSERT(output_[frame_index] == NULL);
-  output_[frame_index] = output_frame;
-
-  // The top address of the frame is computed from the previous frame's top and
-  // this frame's size.
-  uint32_t top_address = output_[frame_index - 1]->GetTop() - output_frame_size;
-  output_frame->SetTop(top_address);
-
-  unsigned output_offset = output_frame_size;
-
-  // Read caller's PC from the previous frame.
-  output_offset -= kPointerSize;
-  intptr_t callers_pc = output_[frame_index - 1]->GetPc();
-  output_frame->SetFrameSlot(output_offset, callers_pc);
-  if (FLAG_trace_deopt) {
-    PrintF("    0x%08" V8PRIxPTR ": [top + %u] <- 0x%08" V8PRIxPTR
-           " ; caller's pc\n",
-           top_address + output_offset, output_offset, callers_pc);
-  }
-
-  // Read caller's FP from the previous frame, and set this frame's FP.
-  output_offset -= kPointerSize;
-  intptr_t value = output_[frame_index - 1]->GetFp();
-  output_frame->SetFrameSlot(output_offset, value);
-  intptr_t fp_value = top_address + output_offset;
-  output_frame->SetFp(fp_value);
-  if (FLAG_trace_deopt) {
-    PrintF("    0x%08" V8PRIxPTR ": [top + %u] <- 0x%08" V8PRIxPTR
-           " ; caller's fp\n",
-           fp_value, output_offset, value);
-  }
-
-  // The context can be gotten from the previous frame.
-  output_offset -= kPointerSize;
-  value = output_[frame_index - 1]->GetContext();
-  output_frame->SetFrameSlot(output_offset, value);
-  if (FLAG_trace_deopt) {
-    PrintF("    0x%08" V8PRIxPTR ": [top + %u] <- 0x%08" V8PRIxPTR
-           " ; context\n",
-           top_address + output_offset, output_offset, value);
-  }
-
-  // A marker value is used in place of the function.
-  output_offset -= kPointerSize;
-  value = reinterpret_cast<intptr_t>(Smi::FromInt(StackFrame::INTERNAL));
-  output_frame->SetFrameSlot(output_offset, value);
-  if (FLAG_trace_deopt) {
-    PrintF("    0x%08" V8PRIxPTR ": [top + %u] <- 0x%08" V8PRIxPTR
-           " ; function (setter sentinel)\n",
-           top_address + output_offset, output_offset, value);
-  }
-
-  // Get Code object from setter stub.
-  output_offset -= kPointerSize;
-  Code* setter_stub =
-      isolate_->builtins()->builtin(Builtins::kStoreIC_Setter_ForDeopt);
-  value = reinterpret_cast<intptr_t>(setter_stub);
-  output_frame->SetFrameSlot(output_offset, value);
-  if (FLAG_trace_deopt) {
-    PrintF("    0x%08" V8PRIxPTR ": [top + %u] <- 0x%08" V8PRIxPTR
-           " ; code object\n",
-           top_address + output_offset, output_offset, value);
-  }
-
-  // Skip receiver.
-  Translation::Opcode opcode =
-      static_cast<Translation::Opcode>(iterator->Next());
-  iterator->Skip(Translation::NumberOfOperandsFor(opcode));
-
-  // The implicit return value was part of the artificial setter stub
-  // environment.
-  output_offset -= kPointerSize;
-  DoTranslateCommand(iterator, frame_index, output_offset);
-
-  ASSERT(0 == output_offset);
-
-  intptr_t pc = reinterpret_cast<intptr_t>(
-      setter_stub->instruction_start() +
-      isolate_->heap()->setter_stub_deopt_pc_offset()->value());
-  output_frame->SetPc(pc);
-}
-
-
 // This code is very similar to ia32 code, but relies on register names (fp, sp)
 // and how the frame is laid out.
 void Deoptimizer::DoComputeJSFrame(TranslationIterator* iterator,
                                    int frame_index) {
   // Read the ast node id, function, and frame height for this output frame.
   BailoutId node_id = BailoutId(iterator->Next());
   JSFunction* function;
   if (frame_index != 0) {
     function = JSFunction::cast(ComputeLiteral(iterator->Next()));
   } else {
@@ skipping 396 matching lines @@
     __ push(ip);
     __ b(&done);
     ASSERT(masm()->pc_offset() - start == table_entry_size_);
   }
   __ bind(&done);
 }
 
 #undef __
 
 } }  // namespace v8::internal