Move platform abstraction to base library

src/deoptimizer.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/accessors.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/disasm.h"
 #include "src/full-codegen.h"
 #include "src/global-handles.h"
 #include "src/macro-assembler.h"
 #include "src/prettyprinter.h"
 
 
 namespace v8 {
 namespace internal {
 
 static MemoryChunk* AllocateCodeChunk(MemoryAllocator* allocator) {
   return allocator->AllocateChunk(Deoptimizer::GetMaxDeoptTableSize(),
-                                  OS::CommitPageSize(),
+                                  base::OS::CommitPageSize(),
 #if defined(__native_client__)
   // The Native Client port of V8 uses an interpreter,
   // so code pages don't need PROT_EXEC.
                                   NOT_EXECUTABLE,
 #else
                                   EXECUTABLE,
 #endif
                                   NULL);
 }
 
@@ skipping 61 matching lines @@
 }
 
 
 // No larger than 2K on all platforms
 static const int kDeoptTableMaxEpilogueCodeSize = 2 * KB;
 
 
 size_t Deoptimizer::GetMaxDeoptTableSize() {
   int entries_size =
       Deoptimizer::kMaxNumberOfEntries * Deoptimizer::table_entry_size_;
-  int commit_page_size = static_cast<int>(OS::CommitPageSize());
+  int commit_page_size = static_cast<int>(base::OS::CommitPageSize());
   int page_count = ((kDeoptTableMaxEpilogueCodeSize + entries_size - 1) /
                     commit_page_size) + 1;
   return static_cast<size_t>(commit_page_size * page_count);
 }
 
 
 Deoptimizer* Deoptimizer::Grab(Isolate* isolate) {
   Deoptimizer* result = isolate->deoptimizer_data()->current_;
   CHECK_NE(result, NULL);
   result->DeleteFrameDescriptions();
@@ skipping 617 matching lines @@
 
 
 // We rely on this function not causing a GC.  It is called from generated code
 // without having a real stack frame in place.
 void Deoptimizer::DoComputeOutputFrames() {
   // Print some helpful diagnostic information.
   if (FLAG_log_timer_events &&
       compiled_code_->kind() == Code::OPTIMIZED_FUNCTION) {
     LOG(isolate(), CodeDeoptEvent(compiled_code_));
   }
-  ElapsedTimer timer;
+  base::ElapsedTimer timer;
 
   // Determine basic deoptimization information.  The optimized frame is
   // described by the input data.
   DeoptimizationInputData* input_data =
       DeoptimizationInputData::cast(compiled_code_->deoptimization_data());
 
   if (trace_scope_ != NULL) {
     timer.Start();
     PrintF(trace_scope_->file(),
            "[deoptimizing (DEOPT %s): begin 0x%08" V8PRIxPTR " ",
@@ skipping 2020 matching lines @@
   CodeDesc desc;
   masm.GetCode(&desc);
   ASSERT(!RelocInfo::RequiresRelocation(desc));
 
   MemoryChunk* chunk = data->deopt_entry_code_[type];
   CHECK(static_cast<int>(Deoptimizer::GetMaxDeoptTableSize()) >=
         desc.instr_size);
   chunk->CommitArea(desc.instr_size);
   CopyBytes(chunk->area_start(), desc.buffer,
       static_cast<size_t>(desc.instr_size));
-  CPU::FlushICache(chunk->area_start(), desc.instr_size);
+  CpuFeatures::FlushICache(chunk->area_start(), desc.instr_size);
 
   data->deopt_entry_code_entries_[type] = entry_count;
 }
 
 
 FrameDescription::FrameDescription(uint32_t frame_size,
                                    JSFunction* function)
     : frame_size_(frame_size),
       function_(function),
       top_(kZapUint32),
@@ skipping 788 matching lines @@
 }
 
 
 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) {
   v->VisitPointer(BitCast<Object**>(&function_));
   v->VisitPointers(parameters_, parameters_ + parameters_count_);
   v->VisitPointers(expression_stack_, expression_stack_ + expression_count_);
 }
 
 } }  // namespace v8::internal