thread isolate for logging calls

src/platform-cygwin.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 108 matching lines @@
   return new PosixMemoryMappedFile(file, memory, size);
 }
 
 
 PosixMemoryMappedFile::~PosixMemoryMappedFile() {
   if (memory_) munmap(memory_, size_);
   fclose(file_);
 }
 
 
-void OS::LogSharedLibraryAddresses() {
+void OS::LogSharedLibraryAddresses(Isolate* isolate) {
   // This function assumes that the layout of the file is as follows:
   // hex_start_addr-hex_end_addr rwxp <unused data> [binary_file_name]
   // If we encounter an unexpected situation we abort scanning further entries.
   FILE* fp = fopen("/proc/self/maps", "r");
   if (fp == NULL) return;
 
   // Allocate enough room to be able to store a full file name.
   const int kLibNameLen = FILENAME_MAX + 1;
   char* lib_name = reinterpret_cast<char*>(malloc(kLibNameLen));
 
-  i::Isolate* isolate = Isolate::Current();
   // This loop will terminate once the scanning hits an EOF.
   while (true) {
     uintptr_t start, end;
     char attr_r, attr_w, attr_x, attr_p;
     // Parse the addresses and permission bits at the beginning of the line.
     if (fscanf(fp, "%" V8PRIxPTR "-%" V8PRIxPTR, &start, &end) != 2) break;
     if (fscanf(fp, " %c%c%c%c", &attr_r, &attr_w, &attr_x, &attr_p) != 4) break;
 
     int c;
     if (attr_r == 'r' && attr_w != 'w' && attr_x == 'x') {
@@ skipping 74 matching lines @@
     uintptr_t address =
         (isolate->random_number_generator()->NextInt() << kPageSizeBits) |
         kAllocationRandomAddressMin;
     address &= kAllocationRandomAddressMax;
     return reinterpret_cast<void *>(address);
   }
   return NULL;
 }
 
 } }  // namespace v8::internal