Move platform abstraction to base library

src/ia32/codegen-ia32.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_IA32
 
 #include "src/codegen.h"
 #include "src/heap.h"
@@ skipping 19 matching lines @@
   masm->set_has_frame(false);
 }
 
 
 #define __ masm.
 
 
 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));
   // esp[1 * kPointerSize]: raw double input
   // esp[0 * kPointerSize]: return address
   {
     XMMRegister input = xmm1;
     XMMRegister result = xmm2;
     __ movsd(input, Operand(esp, 1 * kPointerSize));
     __ push(eax);
     __ push(ebx);
 
     MathExpGenerator::EmitMathExp(&masm, input, result, xmm0, eax, ebx);
 
     __ pop(ebx);
     __ pop(eax);
     __ movsd(Operand(esp, 1 * kPointerSize), result);
     __ fld_d(Operand(esp, 1 * kPointerSize));
     __ 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);
 }
 
 
 UnaryMathFunction CreateSqrtFunction() {
   size_t actual_size;
   // Allocate buffer in executable space.
-  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));
   // esp[1 * kPointerSize]: raw double input
   // esp[0 * kPointerSize]: return address
   // Move double input into registers.
   {
     __ movsd(xmm0, Operand(esp, 1 * kPointerSize));
     __ sqrtsd(xmm0, xmm0);
     __ movsd(Operand(esp, 1 * kPointerSize), xmm0);
     // Load result into floating point register as return value.
     __ fld_d(Operand(esp, 1 * kPointerSize));
     __ 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);
 }
 
 
 // Helper functions for CreateMemMoveFunction.
 #undef __
 #define __ ACCESS_MASM(masm)
 
 enum Direction { FORWARD, BACKWARD };
 enum Alignment { MOVE_ALIGNED, MOVE_UNALIGNED };
@@ skipping 73 matching lines @@
     return reinterpret_cast<int32_t>(buffer_) + l->pos();
   }
  private:
   byte* buffer_;
 };
 
 
 MemMoveFunction CreateMemMoveFunction() {
   size_t actual_size;
   // Allocate buffer in executable space.
-  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 NULL;
   MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
   LabelConverter conv(buffer);
 
   // Generated code is put into a fixed, unmovable buffer, and not into
   // the V8 heap. We can't, and don't, refer to any relocatable addresses
   // (e.g. the JavaScript nan-object).
 
   // 32-bit C declaration function calls pass arguments on stack.
 
@@ skipping 294 matching lines @@
     __ mov(eax, Operand(count, times_4, conv.address(&small_handlers)));
     __ jmp(eax);
   }
 
   __ bind(&pop_and_return);
   MemMoveEmitPopAndReturn(&masm);
 
   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);
   // TODO(jkummerow): It would be nice to register this code creation event
   // with the PROFILE / GDBJIT system.
   return FUNCTION_CAST<MemMoveFunction>(buffer);
 }
 
 
 #undef __
 
 // -------------------------------------------------------------------------
 // Code generators
@@ skipping 479 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);
     patcher.masm()->call(stub->instruction_start(), RelocInfo::NONE32);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32