Allow redirecting disassembly and deoptimization traces into a file.

src/safepoint-table.h

 // Copyright 2011 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 @@
   SafepointEntry GetEntry(unsigned index) const {
     ASSERT(index < length_);
     unsigned info = Memory::uint32_at(GetInfoLocation(index));
     uint8_t* bits = &Memory::uint8_at(entries_ + (index * entry_size_));
     return SafepointEntry(info, bits);
   }
 
   // Returns the entry for the given pc.
   SafepointEntry FindEntry(Address pc) const;
 
-  void PrintEntry(unsigned index) const;
+  void PrintEntry(unsigned index, FILE* out = stdout) const;
 
  private:
   static const uint8_t kNoRegisters = 0xFF;
 
   static const int kLengthOffset = 0;
   static const int kEntrySizeOffset = kLengthOffset + kIntSize;
   static const int kHeaderSize = kEntrySizeOffset + kIntSize;
 
   static const int kPcSize = kIntSize;
   static const int kDeoptimizationIndexSize = kIntSize;
   static const int kPcAndDeoptimizationIndexSize =
       kPcSize + kDeoptimizationIndexSize;
 
   Address GetPcOffsetLocation(unsigned index) const {
     return pc_and_deoptimization_indexes_ +
            (index * kPcAndDeoptimizationIndexSize);
   }
 
   Address GetInfoLocation(unsigned index) const {
     return GetPcOffsetLocation(index) + kPcSize;
   }
 
-  static void PrintBits(uint8_t byte, int digits);
+  static void PrintBits(FILE* out, uint8_t byte, int digits);
 
   DisallowHeapAllocation no_allocation_;
   Code* code_;
   unsigned length_;
   unsigned entry_size_;
 
   Address pc_and_deoptimization_indexes_;
   Address entries_;
 
   friend class SafepointTableBuilder;
@@ skipping 81 matching lines @@
   int last_lazy_safepoint_;
 
   Zone* zone_;
 
   DISALLOW_COPY_AND_ASSIGN(SafepointTableBuilder);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_SAFEPOINT_TABLE_H_