A64: Synchronize with r16587.

src/platform.h

 // 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 90 matching lines @@
 double fast_sin(double input);
 double fast_cos(double input);
 double fast_tan(double input);
 double fast_log(double input);
 double fast_exp(double input);
 double fast_sqrt(double input);
 // The custom exp implementation needs 16KB of lookup data; initialize it
 // on demand.
 void lazily_initialize_fast_exp();
 
-// Forward declarations.
-class Socket;
-
 // ----------------------------------------------------------------------------
 // Fast TLS support
 
 #ifndef V8_NO_FAST_TLS
 
 #if defined(_MSC_VER) && V8_HOST_ARCH_IA32
 
 #define V8_FAST_TLS_SUPPORTED 1
 
 INLINE(intptr_t InternalGetExistingThreadLocal(intptr_t index));
@@ skipping 50 matching lines @@
 
 class OS {
  public:
   // Initializes the platform OS support. Called once at VM startup.
   static void SetUp();
 
   // Initializes the platform OS support that depend on CPU features. This is
   // called after CPU initialization.
   static void PostSetUp();
 
-  // Clean up platform-OS-related things. Called once at VM shutdown.
-  static void TearDown();
-
   // Returns the accumulated user time for thread. This routine
   // can be used for profiling. The implementation should
   // strive for high-precision timer resolution, preferable
   // micro-second resolution.
   static int GetUserTime(uint32_t* secs,  uint32_t* usecs);
 
   // Returns current time as the number of milliseconds since
   // 00:00:00 UTC, January 1, 1970.
   static double TimeCurrentMillis();
 
@@ skipping 53 matching lines @@
 
   // Assign memory as a guard page so that access will cause an exception.
   static void Guard(void* address, const size_t size);
 
   // Generate a random address to be used for hinting mmap().
   static void* GetRandomMmapAddr();
 
   // Get the Alignment guaranteed by Allocate().
   static size_t AllocateAlignment();
 
-  // Returns an indication of whether a pointer is in a space that
-  // has been allocated by Allocate().  This method may conservatively
-  // always return false, but giving more accurate information may
-  // improve the robustness of the stack dump code in the presence of
-  // heap corruption.
-  static bool IsOutsideAllocatedSpace(void* pointer);
-
   // Sleep for a number of milliseconds.
   static void Sleep(const int milliseconds);
 
   // Abort the current process.
   static void Abort();
 
   // Debug break.
   static void DebugBreak();
 
   // Dump C++ current stack trace (only functional on Linux).
   static void DumpBacktrace();
 
   // Walk the stack.
   static const int kStackWalkError = -1;
   static const int kStackWalkMaxNameLen = 256;
   static const int kStackWalkMaxTextLen = 256;
   struct StackFrame {
     void* address;
     char text[kStackWalkMaxTextLen];
   };
 
   static int StackWalk(Vector<StackFrame> frames);
 
-  // Factory method for creating platform dependent Socket.
-  // Please use delete to reclaim the storage for the returned Socket.
-  static Socket* CreateSocket();
-
   class MemoryMappedFile {
    public:
     static MemoryMappedFile* open(const char* name);
     static MemoryMappedFile* create(const char* name, int size, void* initial);
     virtual ~MemoryMappedFile() { }
     virtual void* memory() = 0;
     virtual int size() = 0;
   };
 
   // Safe formatting print. Ensures that str is always null-terminated.
@@ skipping 308 matching lines @@
 
   PlatformData* data_;
 
   char name_[kMaxThreadNameLength];
   int stack_size_;
   Semaphore* start_semaphore_;
 
   DISALLOW_COPY_AND_ASSIGN(Thread);
 };
 
-
-// ----------------------------------------------------------------------------
-// Socket
-//
-
-class Socket {
- public:
-  virtual ~Socket() {}
-
-  // Server initialization.
-  virtual bool Bind(const int port) = 0;
-  virtual bool Listen(int backlog) const = 0;
-  virtual Socket* Accept() const = 0;
-
-  // Client initialization.
-  virtual bool Connect(const char* host, const char* port) = 0;
-
-  // Shutdown socket for both read and write. This causes blocking Send and
-  // Receive calls to exit. After Shutdown the Socket object cannot be used for
-  // any communication.
-  virtual bool Shutdown() = 0;
-
-  // Data Transimission
-  // Return 0 on failure.
-  virtual int Send(const char* data, int len) const = 0;
-  virtual int Receive(char* data, int len) const = 0;
-
-  // Set the value of the SO_REUSEADDR socket option.
-  virtual bool SetReuseAddress(bool reuse_address) = 0;
-
-  virtual bool IsValid() const = 0;
-
-  static bool SetUp();
-  static int LastError();
-  static uint16_t HToN(uint16_t value);
-  static uint16_t NToH(uint16_t value);
-  static uint32_t HToN(uint32_t value);
-  static uint32_t NToH(uint32_t value);
-};
-
-
 } }  // namespace v8::internal
 
 #endif  // V8_PLATFORM_H_