A64: Synchronize with r16587.

src/platform-win32.cc

 // 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 126 matching lines @@
 intptr_t OS::MaxVirtualMemory() {
   return 0;
 }
 
 
 double ceiling(double x) {
   return ceil(x);
 }
 
 
-static Mutex* limit_mutex = NULL;
-
 #if V8_TARGET_ARCH_IA32
 static void MemMoveWrapper(void* dest, const void* src, size_t size) {
   memmove(dest, src, size);
 }
 
 
 // Initialize to library version so we can call this at any time during startup.
 static OS::MemMoveFunction memmove_function = &MemMoveWrapper;
 
 // Defined in codegen-ia32.cc.
@@ skipping 584 matching lines @@
     n = _TRUNCATE;
   int result = strncpy_s(dest.start(), dest.length(), src, n);
   USE(result);
   ASSERT(result == 0 || (n == _TRUNCATE && result == STRUNCATE));
 }
 
 
 #undef _TRUNCATE
 #undef STRUNCATE
 
-// We keep the lowest and highest addresses mapped as a quick way of
-// determining that pointers are outside the heap (used mostly in assertions
-// and verification).  The estimate is conservative, i.e., not all addresses in
-// 'allocated' space are actually allocated to our heap.  The range is
-// [lowest, highest), inclusive on the low and and exclusive on the high end.
-static void* lowest_ever_allocated = reinterpret_cast<void*>(-1);
-static void* highest_ever_allocated = reinterpret_cast<void*>(0);
-
-
-static void UpdateAllocatedSpaceLimits(void* address, int size) {
-  ASSERT(limit_mutex != NULL);
-  LockGuard<Mutex> lock_guard(limit_mutex);
-
-  lowest_ever_allocated = Min(lowest_ever_allocated, address);
-  highest_ever_allocated =
-      Max(highest_ever_allocated,
-          reinterpret_cast<void*>(reinterpret_cast<char*>(address) + size));
-}
-
-
-bool OS::IsOutsideAllocatedSpace(void* pointer) {
-  if (pointer < lowest_ever_allocated || pointer >= highest_ever_allocated)
-    return true;
-  // Ask the Windows API
-  if (IsBadWritePtr(pointer, 1))
-    return true;
-  return false;
-}
-
 
 // Get the system's page size used by VirtualAlloc() or the next power
 // of two. The reason for always returning a power of two is that the
 // rounding up in OS::Allocate expects that.
 static size_t GetPageSize() {
   static size_t page_size = 0;
   if (page_size == 0) {
     SYSTEM_INFO info;
     GetSystemInfo(&info);
     page_size = RoundUpToPowerOf2(info.dwPageSize);
@@ skipping 73 matching lines @@
                                         prot);
 
   if (mbase == NULL) {
     LOG(ISOLATE, StringEvent("OS::Allocate", "VirtualAlloc failed"));
     return NULL;
   }
 
   ASSERT(IsAligned(reinterpret_cast<size_t>(mbase), OS::AllocateAlignment()));
 
   *allocated = msize;
-  UpdateAllocatedSpaceLimits(mbase, static_cast<int>(msize));
   return mbase;
 }
 
 
 void OS::Free(void* address, const size_t size) {
   // TODO(1240712): VirtualFree has a return value which is ignored here.
   VirtualFree(address, 0, MEM_RELEASE);
   USE(size);
 }
 
@@ skipping 597 matching lines @@
 void* VirtualMemory::ReserveRegion(size_t size) {
   return RandomizedVirtualAlloc(size, MEM_RESERVE, PAGE_NOACCESS);
 }
 
 
 bool VirtualMemory::CommitRegion(void* base, size_t size, bool is_executable) {
   int prot = is_executable ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE;
   if (NULL == VirtualAlloc(base, size, MEM_COMMIT, prot)) {
     return false;
   }
-
-  UpdateAllocatedSpaceLimits(base, static_cast<int>(size));
   return true;
 }
 
 
 bool VirtualMemory::UncommitRegion(void* base, size_t size) {
   return VirtualFree(base, size, MEM_DECOMMIT) != 0;
 }
 
 
 bool VirtualMemory::ReleaseRegion(void* base, size_t size) {
@@ skipping 103 matching lines @@
   ASSERT(result);
 }
 
 
 
 void Thread::YieldCPU() {
   Sleep(0);
 }
 
 
-// ----------------------------------------------------------------------------
-// Win32 socket support.
-//
-
-class Win32Socket : public Socket {
- public:
-  explicit Win32Socket() {
-    // Create the socket.
-    socket_ = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-  }
-  explicit Win32Socket(SOCKET socket): socket_(socket) { }
-  virtual ~Win32Socket() { Shutdown(); }
-
-  // Server initialization.
-  bool Bind(const int port);
-  bool Listen(int backlog) const;
-  Socket* Accept() const;
-
-  // Client initialization.
-  bool Connect(const char* host, const char* port);
-
-  // Shutdown socket for both read and write.
-  bool Shutdown();
-
-  // Data Transimission
-  int Send(const char* data, int len) const;
-  int Receive(char* data, int len) const;
-
-  bool SetReuseAddress(bool reuse_address);
-
-  bool IsValid() const { return socket_ != INVALID_SOCKET; }
-
- private:
-  SOCKET socket_;
-};
-
-
-bool Win32Socket::Bind(const int port) {
-  if (!IsValid())  {
-    return false;
-  }
-
-  sockaddr_in addr;
-  memset(&addr, 0, sizeof(addr));
-  addr.sin_family = AF_INET;
-  addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-  addr.sin_port = htons(port);
-  int status = bind(socket_,
-                    reinterpret_cast<struct sockaddr *>(&addr),
-                    sizeof(addr));
-  return status == 0;
-}
-
-
-bool Win32Socket::Listen(int backlog) const {
-  if (!IsValid()) {
-    return false;
-  }
-
-  int status = listen(socket_, backlog);
-  return status == 0;
-}
-
-
-Socket* Win32Socket::Accept() const {
-  if (!IsValid()) {
-    return NULL;
-  }
-
-  SOCKET socket = accept(socket_, NULL, NULL);
-  if (socket == INVALID_SOCKET) {
-    return NULL;
-  } else {
-    return new Win32Socket(socket);
-  }
-}
-
-
-bool Win32Socket::Connect(const char* host, const char* port) {
-  if (!IsValid()) {
-    return false;
-  }
-
-  // Lookup host and port.
-  struct addrinfo *result = NULL;
-  struct addrinfo hints;
-  memset(&hints, 0, sizeof(addrinfo));
-  hints.ai_family = AF_INET;
-  hints.ai_socktype = SOCK_STREAM;
-  hints.ai_protocol = IPPROTO_TCP;
-  int status = getaddrinfo(host, port, &hints, &result);
-  if (status != 0) {
-    return false;
-  }
-
-  // Connect.
-  status = connect(socket_,
-                   result->ai_addr,
-                   static_cast<int>(result->ai_addrlen));
-  freeaddrinfo(result);
-  return status == 0;
-}
-
-
-bool Win32Socket::Shutdown() {
-  if (IsValid()) {
-    // Shutdown socket for both read and write.
-    int status = shutdown(socket_, SD_BOTH);
-    closesocket(socket_);
-    socket_ = INVALID_SOCKET;
-    return status == SOCKET_ERROR;
-  }
-  return true;
-}
-
-
-int Win32Socket::Send(const char* data, int len) const {
-  if (len <= 0) return 0;
-  int written = 0;
-  while (written < len) {
-    int status = send(socket_, data + written, len - written, 0);
-    if (status == 0) {
-      break;
-    } else if (status > 0) {
-      written += status;
-    } else {
-      return 0;
-    }
-  }
-  return written;
-}
-
-
-int Win32Socket::Receive(char* data, int len) const {
-  if (len <= 0) return 0;
-  int status = recv(socket_, data, len, 0);
-  return (status == SOCKET_ERROR) ? 0 : status;
-}
-
-
-bool Win32Socket::SetReuseAddress(bool reuse_address) {
-  BOOL on = reuse_address ? true : false;
-  int status = setsockopt(socket_, SOL_SOCKET, SO_REUSEADDR,
-                          reinterpret_cast<char*>(&on), sizeof(on));
-  return status == SOCKET_ERROR;
-}
-
-
-bool Socket::SetUp() {
-  // Initialize Winsock32
-  int err;
-  WSADATA winsock_data;
-  WORD version_requested = MAKEWORD(1, 0);
-  err = WSAStartup(version_requested, &winsock_data);
-  if (err != 0) {
-    PrintF("Unable to initialize Winsock, err = %d\n", Socket::LastError());
-  }
-
-  return err == 0;
-}
-
-
-int Socket::LastError() {
-  return WSAGetLastError();
-}
-
-
-uint16_t Socket::HToN(uint16_t value) {
-  return htons(value);
-}
-
-
-uint16_t Socket::NToH(uint16_t value) {
-  return ntohs(value);
-}
-
-
-uint32_t Socket::HToN(uint32_t value) {
-  return htonl(value);
-}
-
-
-uint32_t Socket::NToH(uint32_t value) {
-  return ntohl(value);
-}
-
-
-Socket* OS::CreateSocket() {
-  return new Win32Socket();
-}
-
-
 void OS::SetUp() {
   // Seed the random number generator.
   // Convert the current time to a 64-bit integer first, before converting it
   // to an unsigned. Going directly can cause an overflow and the seed to be
   // set to all ones. The seed will be identical for different instances that
   // call this setup code within the same millisecond.
   uint64_t seed = static_cast<uint64_t>(TimeCurrentMillis());
   srand(static_cast<unsigned int>(seed));
-  limit_mutex = new Mutex();
 }
 
-
-void OS::TearDown() {
-  delete limit_mutex;
-}
-
-
 } }  // namespace v8::internal