Hook up the log facility of Android platform.

src/platform-posix.cc

 // Copyright 2009 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 24 matching lines @@
 
 #include <sys/socket.h>
 #include <sys/resource.h>
 #include <sys/time.h>
 #include <sys/types.h>
 
 #include <arpa/inet.h>
 #include <netinet/in.h>
 #include <netdb.h>
 
+#if defined(ANDROID)
+#define LOG_TAG "v8"
+#include <utils/Log.h>  // LOG_PRI_VA
+#endif
+
 #include "v8.h"
 
 #include "platform.h"
 
-
 namespace v8 {
 namespace internal {
 
 
 // ----------------------------------------------------------------------------
 // POSIX date/time support.
 //
 
 int OS::GetUserTime(uint32_t* secs,  uint32_t* usecs) {
   struct rusage usage;
@@ skipping 59 matching lines @@
 
 void OS::Print(const char* format, ...) {
   va_list args;
   va_start(args, format);
   VPrint(format, args);
   va_end(args);
 }
 
 
 void OS::VPrint(const char* format, va_list args) {
+#if defined(ANDROID)
+  LOG_PRI_VA(ANDROID_LOG_INFO, LOG_TAG, format, args);
+#else
   vprintf(format, args);
+#endif
 }
 
 
 void OS::PrintError(const char* format, ...) {
   va_list args;
   va_start(args, format);
   VPrintError(format, args);
   va_end(args);
 }
 
 
 void OS::VPrintError(const char* format, va_list args) {
+#if defined(ANDROID)
+  LOG_PRI_VA(ANDROID_LOG_ERROR, LOG_TAG, format, args);
+#else
   vfprintf(stderr, format, args);
+#endif
 }
 
 
 int OS::SNPrintF(Vector<char> str, const char* format, ...) {
   va_list args;
   va_start(args, format);
   int result = VSNPrintF(str, format, args);
   va_end(args);
   return result;
 }
@@ skipping 189 matching lines @@
   return ntohl(value);
 }
 
 
 Socket* OS::CreateSocket() {
   return new POSIXSocket();
 }
 
 
 } }  // namespace v8::internal