Move platform abstraction to base library

src/mips/codegen-mips.cc

 // Copyright 2012 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"
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/codegen.h"
 #include "src/macro-assembler.h"
@@ skipping 11 matching lines @@
 double fast_exp_simulator(double x) {
   return Simulator::current(Isolate::Current())->CallFP(
       fast_exp_mips_machine_code, x, 0);
 }
 #endif
 
 
 UnaryMathFunction CreateExpFunction() {
   if (!FLAG_fast_math) return &std::exp;
   size_t actual_size;
-  byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true));
+  byte* buffer =
+      static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true));
   if (buffer == NULL) return &std::exp;
   ExternalReference::InitializeMathExpData();
 
   MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
 
   {
     DoubleRegister input = f12;
     DoubleRegister result = f0;
     DoubleRegister double_scratch1 = f4;
     DoubleRegister double_scratch2 = f6;
     Register temp1 = t0;
     Register temp2 = t1;
     Register temp3 = t2;
 
     __ MovFromFloatParameter(input);
     __ Push(temp3, temp2, temp1);
     MathExpGenerator::EmitMathExp(
         &masm, input, result, double_scratch1, double_scratch2,
         temp1, temp2, temp3);
     __ Pop(temp3, temp2, temp1);
     __ MovToFloatResult(result);
     __ Ret();
   }
 
   CodeDesc desc;
   masm.GetCode(&desc);
   ASSERT(!RelocInfo::RequiresRelocation(desc));
 
-  CPU::FlushICache(buffer, actual_size);
-  OS::ProtectCode(buffer, actual_size);
+  CpuFeatures::FlushICache(buffer, actual_size);
+  base::OS::ProtectCode(buffer, actual_size);
 
 #if !defined(USE_SIMULATOR)
   return FUNCTION_CAST<UnaryMathFunction>(buffer);
 #else
   fast_exp_mips_machine_code = buffer;
   return &fast_exp_simulator;
 #endif
 }
 
 
 #if defined(V8_HOST_ARCH_MIPS)
 MemCopyUint8Function CreateMemCopyUint8Function(MemCopyUint8Function stub) {
 #if defined(USE_SIMULATOR)
   return stub;
 #else
   size_t actual_size;
-  byte* buffer = static_cast<byte*>(OS::Allocate(3 * KB, &actual_size, true));
+  byte* buffer =
+      static_cast<byte*>(base::OS::Allocate(3 * KB, &actual_size, true));
   if (buffer == NULL) return stub;
 
   // This code assumes that cache lines are 32 bytes and if the cache line is
   // larger it will not work correctly.
   MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
 
   {
     Label lastb, unaligned, aligned, chkw,
           loop16w, chk1w, wordCopy_loop, skip_pref, lastbloop,
           leave, ua_chk16w, ua_loop16w, ua_skip_pref, ua_chkw,
@@ skipping 497 matching lines @@
     __ bne(a0, a3, &ua_smallCopy_loop);
     __ sb(v1, MemOperand(a0, -1));  // In delay slot.
 
     __ jr(ra);
     __ nop();
   }
   CodeDesc desc;
   masm.GetCode(&desc);
   ASSERT(!RelocInfo::RequiresRelocation(desc));
 
-  CPU::FlushICache(buffer, actual_size);
-  OS::ProtectCode(buffer, actual_size);
+  CpuFeatures::FlushICache(buffer, actual_size);
+  base::OS::ProtectCode(buffer, actual_size);
   return FUNCTION_CAST<MemCopyUint8Function>(buffer);
 #endif
 }
 #endif
 
 UnaryMathFunction CreateSqrtFunction() {
 #if defined(USE_SIMULATOR)
   return &std::sqrt;
 #else
   size_t actual_size;
-  byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true));
+  byte* buffer =
+      static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true));
   if (buffer == NULL) return &std::sqrt;
 
   MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
 
   __ MovFromFloatParameter(f12);
   __ sqrt_d(f0, f12);
   __ MovToFloatResult(f0);
   __ Ret();
 
   CodeDesc desc;
   masm.GetCode(&desc);
   ASSERT(!RelocInfo::RequiresRelocation(desc));
 
-  CPU::FlushICache(buffer, actual_size);
-  OS::ProtectCode(buffer, actual_size);
+  CpuFeatures::FlushICache(buffer, actual_size);
+  base::OS::ProtectCode(buffer, actual_size);
   return FUNCTION_CAST<UnaryMathFunction>(buffer);
 #endif
 }
 
 #undef __
 
 
 // -------------------------------------------------------------------------
 // Platform-specific RuntimeCallHelper functions.
 
@@ skipping 533 matching lines @@
 }
 
 
 void Code::PatchPlatformCodeAge(Isolate* isolate,
                                 byte* sequence,
                                 Code::Age age,
                                 MarkingParity parity) {
   uint32_t young_length = isolate->code_aging_helper()->young_sequence_length();
   if (age == kNoAgeCodeAge) {
     isolate->code_aging_helper()->CopyYoungSequenceTo(sequence);
-    CPU::FlushICache(sequence, young_length);
+    CpuFeatures::FlushICache(sequence, young_length);
   } else {
     Code* stub = GetCodeAgeStub(isolate, age, parity);
     CodePatcher patcher(sequence, young_length / Assembler::kInstrSize);
     // Mark this code sequence for FindPlatformCodeAgeSequence().
     patcher.masm()->nop(Assembler::CODE_AGE_MARKER_NOP);
     // Load the stub address to t9 and call it,
     // GetCodeAgeAndParity() extracts the stub address from this instruction.
     patcher.masm()->li(
         t9,
         Operand(reinterpret_cast<uint32_t>(stub->instruction_start())),
         CONSTANT_SIZE);
     patcher.masm()->nop();  // Prevent jalr to jal optimization.
     patcher.masm()->jalr(t9, a0);
     patcher.masm()->nop();  // Branch delay slot nop.
     patcher.masm()->nop();  // Pad the empty space.
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS