Minor Native Client specific changes to files in src.

src/platform-posix.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 76 matching lines @@
 
 
 // Create guard pages.
 void OS::Guard(void* address, const size_t size) {
   mprotect(address, size, PROT_NONE);
 }
 #endif  // __CYGWIN__
 
 
 void* OS::GetRandomMmapAddr() {
+#if defined(__native_client__)
+  // TODO(bradchen): restore randomization once Native Client gets
+  // smarter about using mmap address hints.
+  // See http://code.google.com/p/nativeclient/issues/3341
+  return NULL;
+#endif
   Isolate* isolate = Isolate::UncheckedCurrent();
   // Note that the current isolate isn't set up in a call path via
   // CpuFeatures::Probe. We don't care about randomization in this case because
   // the code page is immediately freed.
   if (isolate != NULL) {
 #ifdef V8_TARGET_ARCH_X64
     uint64_t rnd1 = V8::RandomPrivate(isolate);
     uint64_t rnd2 = V8::RandomPrivate(isolate);
     uint64_t raw_addr = (rnd1 << 32) ^ rnd2;
     // Currently available CPUs have 48 bits of virtual addressing.  Truncate
@@ skipping 443 matching lines @@
   return ntohl(value);
 }
 
 
 Socket* OS::CreateSocket() {
   return new POSIXSocket();
 }
 
 
 } }  // namespace v8::internal