Fix some style issues in the ARM code....

src/platform-linux.cc

 // Copyright 2006-2008 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 71 matching lines @@
   uint64_t seed = static_cast<uint64_t>(TimeCurrentMillis());
   srandom(static_cast<unsigned int>(seed));
 }
 
 
 double OS::nan_value() {
   return NAN;
 }
 
 
-bool OS::fgrep_vfp(const char* file_name, const char* string) {
+bool OS::ArmCpuHasFeature(OS::CpuFeature feature) {
+  const char* search_string = NULL;
+  const char* file_name = "/proc/cpuinfo";
   // Simple detection of VFP at runtime for Linux.
   // It is based on /proc/cpuinfo, which reveals hardware configuration
   // to user-space applications.  According to ARM (mid 2009), no similar
   // facility is universally available on the ARM architectures,
   // so it's up to individual OSes to provide such.
   //
   // This is written as a straight shot one pass parser
   // and not using STL string and ifstream because,
   // on Linux, it's reading from a (non-mmap-able)
   // character special device.
+  switch (feature) {
+    case VFP:
+      search_string = "vfp";
+      break;
+    default:
+      UNREACHABLE();
+  }
 
   FILE* f = NULL;
+  const char* what = search_string;
 
   if (NULL == (f = fopen(file_name, "r")))
     return false;
 
-  const char* what = string;
   int k;
   while (EOF != (k = fgetc(f))) {
     if (k == *what) {
       ++what;
       while ((*what != '\0') && (*what == fgetc(f))) {
         ++what;
       }
       if (*what == '\0') {
         fclose(f);
         return true;
       } else {
-        what = string;
+        what = search_string;
       }
     }
   }
   fclose(f);
 
-  // Did not find string in the file file_name.
+  // Did not find string in the proc file.
   return false;
 }
 
 
 int OS::ActivationFrameAlignment() {
 #ifdef V8_TARGET_ARCH_ARM
   // On EABI ARM targets this is required for fp correctness in the
   // runtime system.
   return 8;
 #else
@@ skipping 644 matching lines @@
 
   // This sampler is no longer the active sampler.
   active_sampler_ = NULL;
   active_ = false;
 }
 
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal