Move platform abstraction to base library

src/arm/codegen-arm.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_ARM
 
 #include "src/arm/simulator-arm.h"
 #include "src/codegen.h"
@@ skipping 11 matching lines @@
 double fast_exp_simulator(double x) {
   return Simulator::current(Isolate::Current())->CallFPReturnsDouble(
       fast_exp_arm_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));
 
   {
     DwVfpRegister input = d0;
     DwVfpRegister result = d1;
     DwVfpRegister double_scratch1 = d2;
     DwVfpRegister double_scratch2 = d3;
@@ skipping 16 matching lines @@
     } else {
       __ vmov(r0, r1, 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_arm_machine_code = buffer;
   return &fast_exp_simulator;
 #endif
 }
 
 #if defined(V8_HOST_ARCH_ARM)
 MemCopyUint8Function CreateMemCopyUint8Function(MemCopyUint8Function stub) {
 #if defined(USE_SIMULATOR)
   return stub;
 #else
   if (!CpuFeatures::IsSupported(UNALIGNED_ACCESSES)) return stub;
   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 stub;
 
   MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
 
   Register dest = r0;
   Register src = r1;
   Register chars = r2;
   Register temp1 = r3;
   Label less_4;
 
@@ skipping 120 matching lines @@
   __ ldrh(temp1, MemOperand(src, 2, PostIndex), cs);
   __ strh(temp1, MemOperand(dest, 2, PostIndex), cs);
   __ ldrb(temp1, MemOperand(src), ne);
   __ strb(temp1, MemOperand(dest), ne);
   __ 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<MemCopyUint8Function>(buffer);
 #endif
 }
 
 
 // Convert 8 to 16. The number of character to copy must be at least 8.
 MemCopyUint16Uint8Function CreateMemCopyUint16Uint8Function(
     MemCopyUint16Uint8Function stub) {
 #if defined(USE_SIMULATOR)
   return stub;
 #else
   if (!CpuFeatures::IsSupported(UNALIGNED_ACCESSES)) return stub;
   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 stub;
 
   MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
 
   Register dest = r0;
   Register src = r1;
   Register chars = r2;
   if (CpuFeatures::IsSupported(NEON)) {
     Register temp = r3;
     Label loop;
@@ skipping 50 matching lines @@
     __ str(temp3, MemOperand(dest, 4, PostIndex));
     __ bind(&not_two);
     __ ldrb(temp1, MemOperand(src), ne);
     __ strh(temp1, MemOperand(dest), ne);
     __ Pop(pc, r4);
   }
 
   CodeDesc desc;
   masm.GetCode(&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<MemCopyUint16Uint8Function>(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(d0);
   __ vsqrt(d0, d0);
   __ MovToFloatResult(d0);
   __ 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 514 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);
     patcher.masm()->add(r0, pc, Operand(-8));
     patcher.masm()->ldr(pc, MemOperand(pc, -4));
     patcher.masm()->emit_code_stub_address(stub);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM